<p>Hoernchen has uploaded this change for <strong>review</strong>.</p><p><a href="https://gerrit.osmocom.org/c/osmo-ccid-firmware/+/16267">View Change</a></p><pre style="font-family: monospace,monospace; white-space: pre-wrap;">Add card_uart driver for ASF4 USART<br><br>Change-Id: Ic690055bc332ccca3de7c5f4429399cf9ff1d4da<br>---<br>M ccid_common/ccid_slot_fsm.c<br>M ccid_common/cuart.h<br>A sysmoOCTSIM/cuart_driver_asf4_usart_async.c<br>M sysmoOCTSIM/main.c<br>4 files changed, 525 insertions(+), 720 deletions(-)<br><br></pre><pre style="font-family: monospace,monospace; white-space: pre-wrap;">git pull ssh://gerrit.osmocom.org:29418/osmo-ccid-firmware refs/changes/67/16267/1</pre><pre style="font-family: monospace,monospace; white-space: pre-wrap;"><span>diff --git a/ccid_common/ccid_slot_fsm.c b/ccid_common/ccid_slot_fsm.c</span><br><span>index a7ecb9f..870cf35 100644</span><br><span>--- a/ccid_common/ccid_slot_fsm.c</span><br><span>+++ b/ccid_common/ccid_slot_fsm.c</span><br><span>@@ -31,12 +31,18 @@</span><br><span> </span><br><span> static struct iso_fsm_slot_instance g_si;</span><br><span> </span><br><span style="color: hsl(0, 100%, 40%);">-struct iso_fsm_slot *ccid_slot2iso_fsm_slot(struct ccid_slot *cs)</span><br><span style="color: hsl(120, 100%, 40%);">+static struct iso_fsm_slot *ccid_slot2iso_fsm_slot(struct ccid_slot *cs)</span><br><span> {</span><br><span> OSMO_ASSERT(cs->slot_nr < ARRAY_SIZE(g_si.slot));</span><br><span> return &g_si.slot[cs->slot_nr];</span><br><span> }</span><br><span> </span><br><span style="color: hsl(120, 100%, 40%);">+struct card_uart *cuart4slot_nr(uint8_t slot_nr)</span><br><span style="color: hsl(120, 100%, 40%);">+{</span><br><span style="color: hsl(120, 100%, 40%);">+ OSMO_ASSERT(slot_nr < ARRAY_SIZE(g_si.slot));</span><br><span style="color: hsl(120, 100%, 40%);">+ return g_si.slot[slot_nr].cuart;</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span> static const uint8_t sysmousim_sjs1_atr[] = {</span><br><span> 0x3B, 0x9F, 0x96, 0x80, 0x1F, 0xC7, 0x80, 0x31,</span><br><span> 0xA0, 0x73, 0xBE, 0x21, 0x13, 0x67, 0x43, 0x20,</span><br><span>@@ -74,9 +80,10 @@</span><br><span> osmo_fsm_inst_dispatch(ss->fi, ISO7816_E_POWER_UP_IND, NULL);</span><br><span> cs->icc_powered = true;</span><br><span> card_uart_ctrl(ss->cuart, CUART_CTL_CLOCK, true);</span><br><span style="color: hsl(0, 100%, 40%);">- usleep(10000);</span><br><span style="color: hsl(0, 100%, 40%);">- card_uart_ctrl(ss->cuart, CUART_CTL_RST, false);</span><br><span style="color: hsl(120, 100%, 40%);">+ delay_us(10000);</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span> osmo_fsm_inst_dispatch(ss->fi, ISO7816_E_RESET_REL_IND, NULL);</span><br><span style="color: hsl(120, 100%, 40%);">+ card_uart_ctrl(ss->cuart, CUART_CTL_RST, false);</span><br><span> </span><br><span> msgb_free(msg);</span><br><span> /* continues in iso_fsm_clot_user_cb once ATR is received */</span><br><span>@@ -145,8 +152,10 @@</span><br><span> </span><br><span> if (enable) {</span><br><span> card_uart_ctrl(ss->cuart, CUART_CTL_POWER, true);</span><br><span style="color: hsl(120, 100%, 40%);">+ cs->icc_powered = true;</span><br><span> } else {</span><br><span> card_uart_ctrl(ss->cuart, CUART_CTL_POWER, false);</span><br><span style="color: hsl(120, 100%, 40%);">+ cs->icc_powered = false;</span><br><span> }</span><br><span> }</span><br><span> </span><br><span>@@ -179,31 +188,35 @@</span><br><span> return 0;</span><br><span> }</span><br><span> </span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(120, 100%, 40%);">+extern void *g_tall_ctx;</span><br><span> static int iso_fsm_slot_init(struct ccid_slot *cs)</span><br><span> {</span><br><span style="color: hsl(0, 100%, 40%);">- void *ctx = NULL; /* FIXME */</span><br><span style="color: hsl(120, 100%, 40%);">+ void *ctx = g_tall_ctx; /* FIXME */</span><br><span> struct iso_fsm_slot *ss = ccid_slot2iso_fsm_slot(cs);</span><br><span> struct card_uart *cuart = talloc_zero(ctx, struct card_uart);</span><br><span style="color: hsl(0, 100%, 40%);">- char id_buf[16];</span><br><span style="color: hsl(0, 100%, 40%);">- char *devname = NULL;</span><br><span style="color: hsl(120, 100%, 40%);">+ char id_buf[16] = "SIM0";</span><br><span style="color: hsl(120, 100%, 40%);">+ char devname[] = "foobar";</span><br><span> int rc;</span><br><span> </span><br><span> LOGPCS(cs, LOGL_DEBUG, "%s\n", __func__);</span><br><span> </span><br><span> /* HACK: make this in some way configurable so it works both in the firmware</span><br><span> * and on the host (functionfs) */</span><br><span style="color: hsl(0, 100%, 40%);">- if (cs->slot_nr == 0) {</span><br><span style="color: hsl(0, 100%, 40%);">- cs->icc_present = true;</span><br><span style="color: hsl(0, 100%, 40%);">- devname = "/dev/ttyUSB5";</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(120, 100%, 40%);">+// if (cs->slot_nr == 0) {</span><br><span style="color: hsl(120, 100%, 40%);">+// cs->icc_present = true;</span><br><span style="color: hsl(120, 100%, 40%);">+// devname = "/dev/ttyUSB5";</span><br><span style="color: hsl(120, 100%, 40%);">+// }</span><br><span style="color: hsl(120, 100%, 40%);">+ devname[0] = cs->slot_nr +0x30;</span><br><span style="color: hsl(120, 100%, 40%);">+ devname[1] = 0;</span><br><span style="color: hsl(120, 100%, 40%);">+ //sprintf(devname, "%d", cs->slot_nr);</span><br><span> </span><br><span> if (!cuart)</span><br><span> return -ENOMEM;</span><br><span> </span><br><span style="color: hsl(0, 100%, 40%);">- snprintf(id_buf, sizeof(id_buf), "SIM%d", cs->slot_nr);</span><br><span style="color: hsl(120, 100%, 40%);">+ //snprintf(id_buf, sizeof(id_buf), "SIM%d", cs->slot_nr);</span><br><span style="color: hsl(120, 100%, 40%);">+ id_buf[3] = cs->slot_nr +0x30;</span><br><span> if (devname) {</span><br><span style="color: hsl(0, 100%, 40%);">- rc = card_uart_open(cuart, "tty", devname);</span><br><span style="color: hsl(120, 100%, 40%);">+ rc = card_uart_open(cuart, "asf4", devname);</span><br><span> if (rc < 0) {</span><br><span> LOGPCS(cs, LOGL_ERROR, "Cannot open UART %s: %d\n", devname, rc);</span><br><span> talloc_free(cuart);</span><br><span>diff --git a/ccid_common/cuart.h b/ccid_common/cuart.h</span><br><span>index 951a3ec..5e397ab 100644</span><br><span>--- a/ccid_common/cuart.h</span><br><span>+++ b/ccid_common/cuart.h</span><br><span>@@ -7,6 +7,8 @@</span><br><span> #include <osmocom/core/select.h></span><br><span> #include "utils_ringbuffer.h"</span><br><span> </span><br><span style="color: hsl(120, 100%, 40%);">+struct usart_async_descriptor;</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span> enum card_uart_event {</span><br><span> /* a single byte was received, it's present at the (uint8_t *) data location */</span><br><span> CUART_E_RX_SINGLE,</span><br><span>@@ -90,6 +92,10 @@</span><br><span> struct osmo_fd ofd;</span><br><span> unsigned int baudrate;</span><br><span> } tty;</span><br><span style="color: hsl(120, 100%, 40%);">+ struct {</span><br><span style="color: hsl(120, 100%, 40%);">+ struct usart_async_descriptor *usa_pd;</span><br><span style="color: hsl(120, 100%, 40%);">+ uint8_t slot_nr;</span><br><span style="color: hsl(120, 100%, 40%);">+ } asf4;</span><br><span> } u;</span><br><span> };</span><br><span> </span><br><span>diff --git a/sysmoOCTSIM/cuart_driver_asf4_usart_async.c b/sysmoOCTSIM/cuart_driver_asf4_usart_async.c</span><br><span>new file mode 100644</span><br><span>index 0000000..f9856f3</span><br><span>--- /dev/null</span><br><span>+++ b/sysmoOCTSIM/cuart_driver_asf4_usart_async.c</span><br><span>@@ -0,0 +1,402 @@</span><br><span style="color: hsl(120, 100%, 40%);">+/* Card (ICC) UART driver for the Atmel ASF4 asynchronous USART */</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+#include <errno.h></span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+#include <osmocom/core/linuxlist.h></span><br><span style="color: hsl(120, 100%, 40%);">+#include <osmocom/core/utils.h></span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+#include <hal_usart_async.h></span><br><span style="color: hsl(120, 100%, 40%);">+#include <utils_ringbuffer.h></span><br><span style="color: hsl(120, 100%, 40%);">+#include "driver_init.h"</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+#include "ncn8025.h"</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+#include "cuart.h"</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+static struct usart_async_descriptor* SIM_peripheral_descriptors[] = {&SIM0, &SIM1, &SIM2, &SIM3, &SIM4, &SIM5, &SIM6, NULL};</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+extern struct card_uart *cuart4slot_nr(uint8_t slot_nr);</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+/***********************************************************************</span><br><span style="color: hsl(120, 100%, 40%);">+ * low-level helper routines</span><br><span style="color: hsl(120, 100%, 40%);">+ ***********************************************************************/</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+static void _SIM_rx_cb(const struct usart_async_descriptor *const io_descr, uint8_t slot_nr)</span><br><span style="color: hsl(120, 100%, 40%);">+{</span><br><span style="color: hsl(120, 100%, 40%);">+ struct card_uart *cuart = cuart4slot_nr(slot_nr);</span><br><span style="color: hsl(120, 100%, 40%);">+ int rc;</span><br><span style="color: hsl(120, 100%, 40%);">+ OSMO_ASSERT(cuart);</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ if (cuart->rx_threshold == 1) {</span><br><span style="color: hsl(120, 100%, 40%);">+ /* bypass ringbuffer and report byte directly */</span><br><span style="color: hsl(120, 100%, 40%);">+ uint8_t rx[1];</span><br><span style="color: hsl(120, 100%, 40%);">+ rc = io_read((struct io_descriptor * const)&io_descr->io, rx, sizeof(rx));</span><br><span style="color: hsl(120, 100%, 40%);">+ OSMO_ASSERT(rc == sizeof(rx));</span><br><span style="color: hsl(120, 100%, 40%);">+ card_uart_notification(cuart, CUART_E_RX_SINGLE, rx);</span><br><span style="color: hsl(120, 100%, 40%);">+ } else {</span><br><span style="color: hsl(120, 100%, 40%);">+ /* go via ringbuffer and notify only after threshold */</span><br><span style="color: hsl(120, 100%, 40%);">+ if (ringbuffer_num(&io_descr->rx) >= cuart->rx_threshold)</span><br><span style="color: hsl(120, 100%, 40%);">+ card_uart_notification(cuart, CUART_E_RX_COMPLETE, NULL);</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+static void _SIM_tx_cb(const struct usart_async_descriptor *const io_descr, uint8_t slot_nr)</span><br><span style="color: hsl(120, 100%, 40%);">+{</span><br><span style="color: hsl(120, 100%, 40%);">+ struct card_uart *cuart = cuart4slot_nr(slot_nr);</span><br><span style="color: hsl(120, 100%, 40%);">+ OSMO_ASSERT(cuart);</span><br><span style="color: hsl(120, 100%, 40%);">+ card_uart_notification(cuart, CUART_E_TX_COMPLETE, io_descr->tx_buffer);</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+#include <hpl_usart_async.h></span><br><span style="color: hsl(120, 100%, 40%);">+#include <hpl_usart_sync.h></span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+static void _SIM_error_cb(const struct usart_async_descriptor *const descr){</span><br><span style="color: hsl(120, 100%, 40%);">+ volatile uint32_t status = hri_sercomusart_read_STATUS_reg(descr->device.hw);</span><br><span style="color: hsl(120, 100%, 40%);">+ volatile uint32_t data = hri_sercomusart_read_DATA_reg(descr->device.hw);</span><br><span style="color: hsl(120, 100%, 40%);">+ volatile uint32_t errrs = hri_sercomusart_read_RXERRCNT_reg(descr->device.hw);</span><br><span style="color: hsl(120, 100%, 40%);">+ OSMO_ASSERT(0 == 1)</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+/* the below ugli-ness is required as the usart_async_descriptor doesn't have</span><br><span style="color: hsl(120, 100%, 40%);">+ * some kind of 'private' member that could provide the call-back anty kind of</span><br><span style="color: hsl(120, 100%, 40%);">+ * context */</span><br><span style="color: hsl(120, 100%, 40%);">+static void SIM0_rx_cb(const struct usart_async_descriptor *const io_descr)</span><br><span style="color: hsl(120, 100%, 40%);">+{</span><br><span style="color: hsl(120, 100%, 40%);">+ _SIM_rx_cb(io_descr, 0);</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+static void SIM1_rx_cb(const struct usart_async_descriptor *const io_descr)</span><br><span style="color: hsl(120, 100%, 40%);">+{</span><br><span style="color: hsl(120, 100%, 40%);">+ _SIM_rx_cb(io_descr, 1);</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+static void SIM2_rx_cb(const struct usart_async_descriptor *const io_descr)</span><br><span style="color: hsl(120, 100%, 40%);">+{</span><br><span style="color: hsl(120, 100%, 40%);">+ _SIM_rx_cb(io_descr, 2);</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+static void SIM3_rx_cb(const struct usart_async_descriptor *const io_descr)</span><br><span style="color: hsl(120, 100%, 40%);">+{</span><br><span style="color: hsl(120, 100%, 40%);">+ _SIM_rx_cb(io_descr, 3);</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+static void SIM4_rx_cb(const struct usart_async_descriptor *const io_descr)</span><br><span style="color: hsl(120, 100%, 40%);">+{</span><br><span style="color: hsl(120, 100%, 40%);">+ _SIM_rx_cb(io_descr, 4);</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+static void SIM5_rx_cb(const struct usart_async_descriptor *const io_descr)</span><br><span style="color: hsl(120, 100%, 40%);">+{</span><br><span style="color: hsl(120, 100%, 40%);">+ _SIM_rx_cb(io_descr, 5);</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+static void SIM6_rx_cb(const struct usart_async_descriptor *const io_descr)</span><br><span style="color: hsl(120, 100%, 40%);">+{</span><br><span style="color: hsl(120, 100%, 40%);">+ _SIM_rx_cb(io_descr, 6);</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+static void SIM7_rx_cb(const struct usart_async_descriptor *const io_descr)</span><br><span style="color: hsl(120, 100%, 40%);">+{</span><br><span style="color: hsl(120, 100%, 40%);">+ _SIM_rx_cb(io_descr, 7);</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+static usart_cb_t SIM_rx_cb[8] = {</span><br><span style="color: hsl(120, 100%, 40%);">+ SIM0_rx_cb, SIM1_rx_cb, SIM2_rx_cb, SIM3_rx_cb,</span><br><span style="color: hsl(120, 100%, 40%);">+ SIM4_rx_cb, SIM5_rx_cb, SIM6_rx_cb, SIM7_rx_cb,</span><br><span style="color: hsl(120, 100%, 40%);">+};</span><br><span style="color: hsl(120, 100%, 40%);">+static void SIM0_tx_cb(const struct usart_async_descriptor *const io_descr)</span><br><span style="color: hsl(120, 100%, 40%);">+{</span><br><span style="color: hsl(120, 100%, 40%);">+ _SIM_tx_cb(io_descr, 0);</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+static void SIM1_tx_cb(const struct usart_async_descriptor *const io_descr)</span><br><span style="color: hsl(120, 100%, 40%);">+{</span><br><span style="color: hsl(120, 100%, 40%);">+ _SIM_tx_cb(io_descr, 1);</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+static void SIM2_tx_cb(const struct usart_async_descriptor *const io_descr)</span><br><span style="color: hsl(120, 100%, 40%);">+{</span><br><span style="color: hsl(120, 100%, 40%);">+ _SIM_tx_cb(io_descr, 2);</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+static void SIM3_tx_cb(const struct usart_async_descriptor *const io_descr)</span><br><span style="color: hsl(120, 100%, 40%);">+{</span><br><span style="color: hsl(120, 100%, 40%);">+ _SIM_tx_cb(io_descr, 3);</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+static void SIM4_tx_cb(const struct usart_async_descriptor *const io_descr)</span><br><span style="color: hsl(120, 100%, 40%);">+{</span><br><span style="color: hsl(120, 100%, 40%);">+ _SIM_tx_cb(io_descr, 4);</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+static void SIM5_tx_cb(const struct usart_async_descriptor *const io_descr)</span><br><span style="color: hsl(120, 100%, 40%);">+{</span><br><span style="color: hsl(120, 100%, 40%);">+ _SIM_tx_cb(io_descr, 5);</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+static void SIM6_tx_cb(const struct usart_async_descriptor *const io_descr)</span><br><span style="color: hsl(120, 100%, 40%);">+{</span><br><span style="color: hsl(120, 100%, 40%);">+ _SIM_tx_cb(io_descr, 6);</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+static void SIM7_tx_cb(const struct usart_async_descriptor *const io_descr)</span><br><span style="color: hsl(120, 100%, 40%);">+{</span><br><span style="color: hsl(120, 100%, 40%);">+ _SIM_tx_cb(io_descr, 7);</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+static usart_cb_t SIM_tx_cb[8] = {</span><br><span style="color: hsl(120, 100%, 40%);">+ SIM0_tx_cb, SIM1_tx_cb, SIM2_tx_cb, SIM3_tx_cb,</span><br><span style="color: hsl(120, 100%, 40%);">+ SIM4_tx_cb, SIM5_tx_cb, SIM6_tx_cb, SIM7_tx_cb,</span><br><span style="color: hsl(120, 100%, 40%);">+};</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+#include <math.h></span><br><span style="color: hsl(120, 100%, 40%);">+#include "atmel_start.h"</span><br><span style="color: hsl(120, 100%, 40%);">+#include "atmel_start_pins.h"</span><br><span style="color: hsl(120, 100%, 40%);">+#include "config/hpl_gclk_config.h"</span><br><span style="color: hsl(120, 100%, 40%);">+#include "iso7816_3.h"</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+/** possible clock sources for the SERCOM peripheral</span><br><span style="color: hsl(120, 100%, 40%);">+ * warning: the definition must match the GCLK configuration</span><br><span style="color: hsl(120, 100%, 40%);">+ */</span><br><span style="color: hsl(120, 100%, 40%);">+static const uint8_t sercom_glck_sources[] = {GCLK_PCHCTRL_GEN_GCLK2_Val, GCLK_PCHCTRL_GEN_GCLK4_Val, GCLK_PCHCTRL_GEN_GCLK6_Val};</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /** possible clock frequencies in MHz for the SERCOM peripheral</span><br><span style="color: hsl(120, 100%, 40%);">+ * warning: the definition must match the GCLK configuration</span><br><span style="color: hsl(120, 100%, 40%);">+ */</span><br><span style="color: hsl(120, 100%, 40%);">+static const double sercom_glck_freqs[] = {100E6 / CONF_GCLK_GEN_2_DIV, 100E6 / CONF_GCLK_GEN_4_DIV, 120E6 / CONF_GCLK_GEN_6_DIV};</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+/** the GCLK ID for the SERCOM SIM peripherals</span><br><span style="color: hsl(120, 100%, 40%);">+ * @note: used as index for PCHCTRL</span><br><span style="color: hsl(120, 100%, 40%);">+ */</span><br><span style="color: hsl(120, 100%, 40%);">+static const uint8_t SIM_peripheral_GCLK_ID[] = {SERCOM0_GCLK_ID_CORE, SERCOM1_GCLK_ID_CORE, SERCOM2_GCLK_ID_CORE, SERCOM3_GCLK_ID_CORE, SERCOM4_GCLK_ID_CORE, SERCOM5_GCLK_ID_CORE, SERCOM6_GCLK_ID_CORE, SERCOM7_GCLK_ID_CORE};</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+/** change baud rate of card slot</span><br><span style="color: hsl(120, 100%, 40%);">+ * @param[in] slotnr slot number for which the baud rate should be set</span><br><span style="color: hsl(120, 100%, 40%);">+ * @param[in] baudrate baud rate in bps to set</span><br><span style="color: hsl(120, 100%, 40%);">+ * @return if the baud rate has been set, else a parameter is out of range</span><br><span style="color: hsl(120, 100%, 40%);">+ */</span><br><span style="color: hsl(120, 100%, 40%);">+static bool slot_set_baudrate(uint8_t slotnr, uint32_t baudrate)</span><br><span style="color: hsl(120, 100%, 40%);">+{</span><br><span style="color: hsl(120, 100%, 40%);">+ ASSERT(slotnr < ARRAY_SIZE(SIM_peripheral_descriptors));</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ // calculate the error corresponding to the clock sources</span><br><span style="color: hsl(120, 100%, 40%);">+ uint16_t bauds[ARRAY_SIZE(sercom_glck_freqs)];</span><br><span style="color: hsl(120, 100%, 40%);">+ double errors[ARRAY_SIZE(sercom_glck_freqs)];</span><br><span style="color: hsl(120, 100%, 40%);">+ for (uint8_t i = 0; i < ARRAY_SIZE(sercom_glck_freqs); i++) {</span><br><span style="color: hsl(120, 100%, 40%);">+ double freq = sercom_glck_freqs[i]; // remember possible SERCOM frequency</span><br><span style="color: hsl(120, 100%, 40%);">+ uint32_t min = freq/16. * (1. - 65535. / 65536.); // calculate the minimum baud rate for this frequency</span><br><span style="color: hsl(120, 100%, 40%);">+ uint32_t max = freq/16. * (1. - 1. / 65536.); // calculate the maximum baud rate for this frequency</span><br><span style="color: hsl(120, 100%, 40%);">+ if (baudrate < min || baudrate > max) { // baud rate it out of supported range</span><br><span style="color: hsl(120, 100%, 40%);">+ errors[i] = NAN;</span><br><span style="color: hsl(120, 100%, 40%);">+ } else {</span><br><span style="color: hsl(120, 100%, 40%);">+ uint16_t baud = round(65536. * (1. - 16. * (baudrate/freq)));</span><br><span style="color: hsl(120, 100%, 40%);">+ bauds[i] = baud;</span><br><span style="color: hsl(120, 100%, 40%);">+ double actual = freq/16. * (1. - baud / 65536.);</span><br><span style="color: hsl(120, 100%, 40%);">+ errors[i] = fabs(1.0 - (actual / baudrate));</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ // find the smallest error</span><br><span style="color: hsl(120, 100%, 40%);">+ uint8_t best = ARRAY_SIZE(sercom_glck_freqs);</span><br><span style="color: hsl(120, 100%, 40%);">+ for (uint8_t i = 0; i < ARRAY_SIZE(sercom_glck_freqs); i++) {</span><br><span style="color: hsl(120, 100%, 40%);">+ if (isnan(errors[i])) {</span><br><span style="color: hsl(120, 100%, 40%);">+ continue;</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+ if (best >= ARRAY_SIZE(sercom_glck_freqs)) {</span><br><span style="color: hsl(120, 100%, 40%);">+ best = i;</span><br><span style="color: hsl(120, 100%, 40%);">+ } else if (errors[i] < errors[best]) {</span><br><span style="color: hsl(120, 100%, 40%);">+ best = i;</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+ if (best >= ARRAY_SIZE(sercom_glck_freqs)) { // found no clock supporting this baud rate</span><br><span style="color: hsl(120, 100%, 40%);">+ return false;</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ // set clock and baud rate</span><br><span style="color: hsl(120, 100%, 40%);">+ struct usart_async_descriptor* slot = SIM_peripheral_descriptors[slotnr]; // get slot</span><br><span style="color: hsl(120, 100%, 40%);">+ if (NULL == slot) {</span><br><span style="color: hsl(120, 100%, 40%);">+ return false;</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+ printf("(%u) switching SERCOM clock to GCLK%u (freq = %lu kHz) and baud rate to %lu bps (baud = %u)\r\n", slotnr, (best + 1) * 2, (uint32_t)(round(sercom_glck_freqs[best] / 1000)), baudrate, bauds[best]);</span><br><span style="color: hsl(120, 100%, 40%);">+ while (!usart_async_is_tx_empty(slot)); // wait for transmission to complete (WARNING no timeout)</span><br><span style="color: hsl(120, 100%, 40%);">+ usart_async_disable(slot); // disable SERCOM peripheral</span><br><span style="color: hsl(120, 100%, 40%);">+ hri_gclk_clear_PCHCTRL_reg(GCLK, SIM_peripheral_GCLK_ID[slotnr], (1 << GCLK_PCHCTRL_CHEN_Pos)); // disable clock for this peripheral</span><br><span style="color: hsl(120, 100%, 40%);">+ while (hri_gclk_get_PCHCTRL_reg(GCLK, SIM_peripheral_GCLK_ID[slotnr], (1 << GCLK_PCHCTRL_CHEN_Pos))); // wait until clock is really disabled</span><br><span style="color: hsl(120, 100%, 40%);">+ // it does not seem we need to completely disable the peripheral using hri_mclk_clear_APBDMASK_SERCOMn_bit</span><br><span style="color: hsl(120, 100%, 40%);">+ hri_gclk_write_PCHCTRL_reg(GCLK, SIM_peripheral_GCLK_ID[slotnr], sercom_glck_sources[best] | (1 << GCLK_PCHCTRL_CHEN_Pos)); // set peripheral core clock and re-enable it</span><br><span style="color: hsl(120, 100%, 40%);">+ usart_async_set_baud_rate(slot, bauds[best]); // set the new baud rate</span><br><span style="color: hsl(120, 100%, 40%);">+ usart_async_enable(slot); // re-enable SERCOM peripheral</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ return true;</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+/** change ISO baud rate of card slot</span><br><span style="color: hsl(120, 100%, 40%);">+ * @param[in] slotnr slot number for which the baud rate should be set</span><br><span style="color: hsl(120, 100%, 40%);">+ * @param[in] clkdiv can clock divider</span><br><span style="color: hsl(120, 100%, 40%);">+ * @param[in] f clock rate conversion integer F</span><br><span style="color: hsl(120, 100%, 40%);">+ * @param[in] d baud rate adjustment factor D</span><br><span style="color: hsl(120, 100%, 40%);">+ * @return if the baud rate has been set, else a parameter is out of range</span><br><span style="color: hsl(120, 100%, 40%);">+ */</span><br><span style="color: hsl(120, 100%, 40%);">+static bool slot_set_isorate(uint8_t slotnr, enum ncn8025_sim_clkdiv clkdiv, uint16_t f, uint8_t d)</span><br><span style="color: hsl(120, 100%, 40%);">+{</span><br><span style="color: hsl(120, 100%, 40%);">+ // input checks</span><br><span style="color: hsl(120, 100%, 40%);">+ ASSERT(slotnr < ARRAY_SIZE(SIM_peripheral_descriptors));</span><br><span style="color: hsl(120, 100%, 40%);">+ if (clkdiv != SIM_CLKDIV_1 && clkdiv != SIM_CLKDIV_2 && clkdiv != SIM_CLKDIV_4 && clkdiv != SIM_CLKDIV_8) {</span><br><span style="color: hsl(120, 100%, 40%);">+ return false;</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+ if (!iso7816_3_valid_f(f)) {</span><br><span style="color: hsl(120, 100%, 40%);">+ return false;</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+ if (!iso7816_3_valid_d(d)) {</span><br><span style="color: hsl(120, 100%, 40%);">+ return false;</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ // set clockdiv</span><br><span style="color: hsl(120, 100%, 40%);">+ struct ncn8025_settings settings;</span><br><span style="color: hsl(120, 100%, 40%);">+ ncn8025_get(slotnr, &settings);</span><br><span style="color: hsl(120, 100%, 40%);">+ if (settings.clkdiv != clkdiv) {</span><br><span style="color: hsl(120, 100%, 40%);">+ settings.clkdiv = clkdiv;</span><br><span style="color: hsl(120, 100%, 40%);">+ ncn8025_set(slotnr, &settings);</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ // calculate desired frequency</span><br><span style="color: hsl(120, 100%, 40%);">+ uint32_t freq = 20000000UL; // maximum frequency</span><br><span style="color: hsl(120, 100%, 40%);">+ switch (clkdiv) {</span><br><span style="color: hsl(120, 100%, 40%);">+ case SIM_CLKDIV_1:</span><br><span style="color: hsl(120, 100%, 40%);">+ freq /= 1;</span><br><span style="color: hsl(120, 100%, 40%);">+ break;</span><br><span style="color: hsl(120, 100%, 40%);">+ case SIM_CLKDIV_2:</span><br><span style="color: hsl(120, 100%, 40%);">+ freq /= 2;</span><br><span style="color: hsl(120, 100%, 40%);">+ break;</span><br><span style="color: hsl(120, 100%, 40%);">+ case SIM_CLKDIV_4:</span><br><span style="color: hsl(120, 100%, 40%);">+ freq /= 4;</span><br><span style="color: hsl(120, 100%, 40%);">+ break;</span><br><span style="color: hsl(120, 100%, 40%);">+ case SIM_CLKDIV_8:</span><br><span style="color: hsl(120, 100%, 40%);">+ freq /= 8;</span><br><span style="color: hsl(120, 100%, 40%);">+ break;</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ // set baud rate</span><br><span style="color: hsl(120, 100%, 40%);">+ uint32_t baudrate = (freq * d) / f; // calculate actual baud rate</span><br><span style="color: hsl(120, 100%, 40%);">+ return slot_set_baudrate(slotnr, baudrate); // set baud rate</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+/***********************************************************************</span><br><span style="color: hsl(120, 100%, 40%);">+ * Interface with card_uart (cuart) core</span><br><span style="color: hsl(120, 100%, 40%);">+ ***********************************************************************/</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+/* forward-declaration */</span><br><span style="color: hsl(120, 100%, 40%);">+static struct card_uart_driver asf4_usart_driver;</span><br><span style="color: hsl(120, 100%, 40%);">+static int asf4_usart_close(struct card_uart *cuart);</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+static int asf4_usart_open(struct card_uart *cuart, const char *device_name)</span><br><span style="color: hsl(120, 100%, 40%);">+{</span><br><span style="color: hsl(120, 100%, 40%);">+ struct usart_async_descriptor *usa_pd;</span><br><span style="color: hsl(120, 100%, 40%);">+ int slot_nr = atoi(device_name);</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ if (slot_nr >= ARRAY_SIZE(SIM_peripheral_descriptors))</span><br><span style="color: hsl(120, 100%, 40%);">+ return -ENODEV;</span><br><span style="color: hsl(120, 100%, 40%);">+ usa_pd = SIM_peripheral_descriptors[slot_nr];</span><br><span style="color: hsl(120, 100%, 40%);">+ if (!usa_pd)</span><br><span style="color: hsl(120, 100%, 40%);">+ return -ENODEV;</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ cuart->u.asf4.usa_pd = usa_pd;</span><br><span style="color: hsl(120, 100%, 40%);">+ cuart->u.asf4.slot_nr = slot_nr;</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ usart_async_register_callback(usa_pd, USART_ASYNC_RXC_CB, SIM_rx_cb[slot_nr]);</span><br><span style="color: hsl(120, 100%, 40%);">+ usart_async_register_callback(usa_pd, USART_ASYNC_TXC_CB, SIM_tx_cb[slot_nr]);</span><br><span style="color: hsl(120, 100%, 40%);">+ usart_async_register_callback(usa_pd, USART_ASYNC_ERROR_CB, _SIM_error_cb);</span><br><span style="color: hsl(120, 100%, 40%);">+ usart_async_enable(usa_pd);</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ // set USART baud rate to match the interface (f = 2.5 MHz) and card default settings (Fd = 372, Dd = 1)</span><br><span style="color: hsl(120, 100%, 40%);">+ slot_set_isorate(cuart->u.asf4.slot_nr, SIM_CLKDIV_8, ISO7816_3_DEFAULT_FD, ISO7816_3_DEFAULT_DD);</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ return 0;</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+static int asf4_usart_close(struct card_uart *cuart)</span><br><span style="color: hsl(120, 100%, 40%);">+{</span><br><span style="color: hsl(120, 100%, 40%);">+ struct usart_async_descriptor *usa_pd = cuart->u.asf4.usa_pd;</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ OSMO_ASSERT(cuart->driver == &asf4_usart_driver);</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ usart_async_disable(usa_pd);</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ return 0;</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+static int asf4_usart_async_tx(struct card_uart *cuart, const uint8_t *data, size_t len)</span><br><span style="color: hsl(120, 100%, 40%);">+{</span><br><span style="color: hsl(120, 100%, 40%);">+ struct usart_async_descriptor *usa_pd = cuart->u.asf4.usa_pd;</span><br><span style="color: hsl(120, 100%, 40%);">+ int rc;</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ OSMO_ASSERT(cuart->driver == &asf4_usart_driver);</span><br><span style="color: hsl(120, 100%, 40%);">+ OSMO_ASSERT(usart_async_is_tx_empty(usa_pd));</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ rc = io_write(&usa_pd->io, data, len);</span><br><span style="color: hsl(120, 100%, 40%);">+ if (rc < 0)</span><br><span style="color: hsl(120, 100%, 40%);">+ return rc;</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ cuart->tx_busy = true;</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ return rc;</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+static int asf4_usart_async_rx(struct card_uart *cuart, uint8_t *data, size_t len)</span><br><span style="color: hsl(120, 100%, 40%);">+{</span><br><span style="color: hsl(120, 100%, 40%);">+ struct usart_async_descriptor *usa_pd = cuart->u.asf4.usa_pd;</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ OSMO_ASSERT(cuart->driver == &asf4_usart_driver);</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ return io_read(&usa_pd->io, data, len);</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+static int asf4_usart_ctrl(struct card_uart *cuart, enum card_uart_ctl ctl, int arg)</span><br><span style="color: hsl(120, 100%, 40%);">+{</span><br><span style="color: hsl(120, 100%, 40%);">+ struct ncn8025_settings settings;</span><br><span style="color: hsl(120, 100%, 40%);">+ Sercom *sercom = cuart->u.asf4.usa_pd->device.hw;</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ switch (ctl) {</span><br><span style="color: hsl(120, 100%, 40%);">+ case CUART_CTL_RX:</span><br><span style="color: hsl(120, 100%, 40%);">+ if (arg){</span><br><span style="color: hsl(120, 100%, 40%);">+ sercom->USART.CTRLB.bit.RXEN = 1;</span><br><span style="color: hsl(120, 100%, 40%);">+ sercom->USART.CTRLB.bit.TXEN = 0;</span><br><span style="color: hsl(120, 100%, 40%);">+ } else {</span><br><span style="color: hsl(120, 100%, 40%);">+ delay_us(100);</span><br><span style="color: hsl(120, 100%, 40%);">+ sercom->USART.CTRLB.bit.RXEN = 0;</span><br><span style="color: hsl(120, 100%, 40%);">+ sercom->USART.CTRLB.bit.TXEN = 1;</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+ break;</span><br><span style="color: hsl(120, 100%, 40%);">+ case CUART_CTL_RST:</span><br><span style="color: hsl(120, 100%, 40%);">+ ncn8025_get(cuart->u.asf4.slot_nr, &settings);</span><br><span style="color: hsl(120, 100%, 40%);">+ settings.rstin = arg ? true : false;</span><br><span style="color: hsl(120, 100%, 40%);">+ ncn8025_set(cuart->u.asf4.slot_nr, &settings);</span><br><span style="color: hsl(120, 100%, 40%);">+ usart_async_flush_rx_buffer(cuart->u.asf4.usa_pd);</span><br><span style="color: hsl(120, 100%, 40%);">+ break;</span><br><span style="color: hsl(120, 100%, 40%);">+ case CUART_CTL_POWER:</span><br><span style="color: hsl(120, 100%, 40%);">+ ncn8025_get(cuart->u.asf4.slot_nr, &settings);</span><br><span style="color: hsl(120, 100%, 40%);">+ settings.cmdvcc = arg ? true : false;</span><br><span style="color: hsl(120, 100%, 40%);">+ settings.led = arg ? true : false;</span><br><span style="color: hsl(120, 100%, 40%);">+ settings.vsel = SIM_VOLT_5V0;</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ // set USART baud rate to match the interface (f = 2.5 MHz) and card default settings (Fd = 372, Dd = 1)</span><br><span style="color: hsl(120, 100%, 40%);">+ if(arg)</span><br><span style="color: hsl(120, 100%, 40%);">+ slot_set_isorate(cuart->u.asf4.slot_nr, SIM_CLKDIV_8, ISO7816_3_DEFAULT_FD, ISO7816_3_DEFAULT_DD);</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ ncn8025_set(cuart->u.asf4.slot_nr, &settings);</span><br><span style="color: hsl(120, 100%, 40%);">+ break;</span><br><span style="color: hsl(120, 100%, 40%);">+ case CUART_CTL_WTIME:</span><br><span style="color: hsl(120, 100%, 40%);">+ /* no driver-specific handling of this */</span><br><span style="color: hsl(120, 100%, 40%);">+ break;</span><br><span style="color: hsl(120, 100%, 40%);">+ case CUART_CTL_CLOCK:</span><br><span style="color: hsl(120, 100%, 40%);">+ /* FIXME */</span><br><span style="color: hsl(120, 100%, 40%);">+ default:</span><br><span style="color: hsl(120, 100%, 40%);">+ return -EINVAL;</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+ return 0;</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+static const struct card_uart_ops asf4_usart_ops = {</span><br><span style="color: hsl(120, 100%, 40%);">+ .open = asf4_usart_open,</span><br><span style="color: hsl(120, 100%, 40%);">+ .close = asf4_usart_close,</span><br><span style="color: hsl(120, 100%, 40%);">+ .async_tx = asf4_usart_async_tx,</span><br><span style="color: hsl(120, 100%, 40%);">+ .async_rx = asf4_usart_async_rx,</span><br><span style="color: hsl(120, 100%, 40%);">+ .ctrl = asf4_usart_ctrl,</span><br><span style="color: hsl(120, 100%, 40%);">+};</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+static struct card_uart_driver asf4_usart_driver = {</span><br><span style="color: hsl(120, 100%, 40%);">+ .name = "asf4",</span><br><span style="color: hsl(120, 100%, 40%);">+ .ops = &asf4_usart_ops,</span><br><span style="color: hsl(120, 100%, 40%);">+};</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+static __attribute__((constructor)) void on_dso_load_cuart_asf4(void)</span><br><span style="color: hsl(120, 100%, 40%);">+{</span><br><span style="color: hsl(120, 100%, 40%);">+ card_uart_driver_register(&asf4_usart_driver);</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span>diff --git a/sysmoOCTSIM/main.c b/sysmoOCTSIM/main.c</span><br><span>index fed562b..059c99d 100644</span><br><span>--- a/sysmoOCTSIM/main.c</span><br><span>+++ b/sysmoOCTSIM/main.c</span><br><span>@@ -40,48 +40,11 @@</span><br><span> </span><br><span> #include "command.h"</span><br><span> </span><br><span style="color: hsl(0, 100%, 40%);">-// TODO put declaration in more global file</span><br><span style="color: hsl(0, 100%, 40%);">-// TODO for now SIM7 is not present because used for debug</span><br><span style="color: hsl(0, 100%, 40%);">-static struct usart_async_descriptor* SIM_peripheral_descriptors[] = {&SIM0, &SIM1, &SIM2, &SIM3, &SIM4, &SIM5, &SIM6, NULL};</span><br><span> #include "ccid_device.h"</span><br><span> #include "usb_descriptors.h"</span><br><span style="color: hsl(120, 100%, 40%);">+extern struct ccid_slot_ops iso_fsm_slot_ops;</span><br><span style="color: hsl(120, 100%, 40%);">+static struct ccid_instance g_ci;</span><br><span> </span><br><span style="color: hsl(0, 100%, 40%);">-/** number of bytes transmitted on the SIM peripheral */</span><br><span style="color: hsl(0, 100%, 40%);">-static volatile bool SIM_tx_count[8];</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">-static void SIM_rx_cb(const struct usart_async_descriptor *const io_descr)</span><br><span style="color: hsl(0, 100%, 40%);">-{</span><br><span style="color: hsl(0, 100%, 40%);">-}</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">-/** called when the transmission is complete</span><br><span style="color: hsl(0, 100%, 40%);">- * e.g. this is when the byte has been sent and there is no data to transmit anymore</span><br><span style="color: hsl(0, 100%, 40%);">- */</span><br><span style="color: hsl(0, 100%, 40%);">-static void SIM_tx_cb(const struct usart_async_descriptor *const io_descr)</span><br><span style="color: hsl(0, 100%, 40%);">-{</span><br><span style="color: hsl(0, 100%, 40%);">- // find slotnr for corresponding USART</span><br><span style="color: hsl(0, 100%, 40%);">- uint8_t slotnr;</span><br><span style="color: hsl(0, 100%, 40%);">- for (slotnr = 0; slotnr < ARRAY_SIZE(SIM_peripheral_descriptors) && SIM_peripheral_descriptors[slotnr] != io_descr; slotnr++);</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">- // set flag</span><br><span style="color: hsl(0, 100%, 40%);">- if (slotnr < ARRAY_SIZE(SIM_peripheral_descriptors)) {</span><br><span style="color: hsl(0, 100%, 40%);">- SIM_tx_count[slotnr] = true;</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">-}</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">-/** possible clock sources for the SERCOM peripheral</span><br><span style="color: hsl(0, 100%, 40%);">- * warning: the definition must match the GCLK configuration</span><br><span style="color: hsl(0, 100%, 40%);">- */</span><br><span style="color: hsl(0, 100%, 40%);">-static const uint8_t sercom_glck_sources[] = {GCLK_PCHCTRL_GEN_GCLK2_Val, GCLK_PCHCTRL_GEN_GCLK4_Val, GCLK_PCHCTRL_GEN_GCLK6_Val};</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">-/** possible clock frequencies in MHz for the SERCOM peripheral</span><br><span style="color: hsl(0, 100%, 40%);">- * warning: the definition must match the GCLK configuration</span><br><span style="color: hsl(0, 100%, 40%);">- */</span><br><span style="color: hsl(0, 100%, 40%);">-static const double sercom_glck_freqs[] = {100E6 / CONF_GCLK_GEN_2_DIV, 100E6 / CONF_GCLK_GEN_4_DIV, 120E6 / CONF_GCLK_GEN_6_DIV};</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">-/** the GCLK ID for the SERCOM SIM peripherals</span><br><span style="color: hsl(0, 100%, 40%);">- * @note: used as index for PCHCTRL</span><br><span style="color: hsl(0, 100%, 40%);">- */</span><br><span style="color: hsl(0, 100%, 40%);">-static const uint8_t SIM_peripheral_GCLK_ID[] = {SERCOM0_GCLK_ID_CORE, SERCOM1_GCLK_ID_CORE, SERCOM2_GCLK_ID_CORE, SERCOM3_GCLK_ID_CORE, SERCOM4_GCLK_ID_CORE, SERCOM5_GCLK_ID_CORE, SERCOM6_GCLK_ID_CORE, SERCOM7_GCLK_ID_CORE};</span><br><span> </span><br><span> static void ccid_app_init(void);</span><br><span> </span><br><span>@@ -103,16 +66,6 @@</span><br><span> * (there are 8 inputs + traces to drive!) */</span><br><span> hri_port_set_PINCFG_DRVSTR_bit(PORT, 0, 11);</span><br><span> </span><br><span style="color: hsl(0, 100%, 40%);">- // enable SIM interfaces</span><br><span style="color: hsl(0, 100%, 40%);">- for (uint8_t i = 0; i < ARRAY_SIZE(SIM_peripheral_descriptors); i++) {</span><br><span style="color: hsl(0, 100%, 40%);">- if (NULL == SIM_peripheral_descriptors[i]) {</span><br><span style="color: hsl(0, 100%, 40%);">- continue;</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">- usart_async_register_callback(SIM_peripheral_descriptors[i], USART_ASYNC_RXC_CB, SIM_rx_cb); // required for RX to work, even if the callback does nothing</span><br><span style="color: hsl(0, 100%, 40%);">- usart_async_register_callback(SIM_peripheral_descriptors[i], USART_ASYNC_TXC_CB, SIM_tx_cb); // to count the number of bytes transmitted since we are using it asynchronously</span><br><span style="color: hsl(0, 100%, 40%);">- usart_async_enable(SIM_peripheral_descriptors[i]);</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span> ccid_app_init();</span><br><span> }</span><br><span> </span><br><span>@@ -201,7 +154,9 @@</span><br><span> struct msgb *msg;</span><br><span> int rc;</span><br><span> </span><br><span style="color: hsl(0, 100%, 40%);">- OSMO_ASSERT(!ep_q->in_progress);</span><br><span style="color: hsl(120, 100%, 40%);">+ if (ep_q->in_progress)</span><br><span style="color: hsl(120, 100%, 40%);">+ return 0;</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span> msg = msgb_dequeue_irqsafe(&ep_q->list);</span><br><span> if (!msg)</span><br><span> return 0;</span><br><span>@@ -250,6 +205,7 @@</span><br><span> msg = msgb_dequeue_irqsafe(&g_ccid_s.free_q);</span><br><span> if (!msg)</span><br><span> return -1;</span><br><span style="color: hsl(120, 100%, 40%);">+ msgb_reset(msg);</span><br><span> ep_q->in_progress = msg;</span><br><span> </span><br><span> rc = ccid_df_read_out(msgb_data(msg), msgb_tailroom(msg));</span><br><span>@@ -272,6 +228,7 @@</span><br><span> msgb_put(msg, transferred);</span><br><span> /* append to list of pending-to-be-handed messages */</span><br><span> llist_add_tail_at(&msg->list, &g_ccid_s.out_ep.list);</span><br><span style="color: hsl(120, 100%, 40%);">+ g_ccid_s.out_ep.in_progress = NULL;</span><br><span> </span><br><span> /* submit another [free] msgb to receive the next transfer */</span><br><span> submit_next_out();</span><br><span>@@ -343,8 +300,11 @@</span><br><span> struct msgb *msg;</span><br><span> unsigned int i;</span><br><span> </span><br><span style="color: hsl(0, 100%, 40%);">- for (i = 0; i < 8; i++)</span><br><span style="color: hsl(0, 100%, 40%);">- new_mask |= ncn8025_interrupt_level(i) << i;</span><br><span style="color: hsl(120, 100%, 40%);">+ for (i = 0; i < 8; i++){</span><br><span style="color: hsl(120, 100%, 40%);">+ bool level = ncn8025_interrupt_level(i);</span><br><span style="color: hsl(120, 100%, 40%);">+ new_mask |= level << i;</span><br><span style="color: hsl(120, 100%, 40%);">+ g_ci.slot[i].icc_present = level;</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span> </span><br><span> /* notify the user/host about any changes */</span><br><span> if (g_ccid_s.card_insert_mask != new_mask) {</span><br><span>@@ -363,629 +323,6 @@</span><br><span> * Command Line interface</span><br><span> ***********************************************************************/</span><br><span> </span><br><span style="color: hsl(0, 100%, 40%);">-static int validate_slotnr(int argc, char **argv, int idx)</span><br><span style="color: hsl(0, 100%, 40%);">-{</span><br><span style="color: hsl(0, 100%, 40%);">- int slotnr;</span><br><span style="color: hsl(0, 100%, 40%);">- if (argc < idx+1) {</span><br><span style="color: hsl(0, 100%, 40%);">- printf("You have to specify the slot number (0..7)\r\n");</span><br><span style="color: hsl(0, 100%, 40%);">- return -1;</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">- slotnr = atoi(argv[idx]);</span><br><span style="color: hsl(0, 100%, 40%);">- if (slotnr < 0 || slotnr > 7) {</span><br><span style="color: hsl(0, 100%, 40%);">- printf("You have to specify the slot number (0..7)\r\n");</span><br><span style="color: hsl(0, 100%, 40%);">- return -1;</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">- return slotnr;</span><br><span style="color: hsl(0, 100%, 40%);">-}</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">-/** change baud rate of card slot</span><br><span style="color: hsl(0, 100%, 40%);">- * @param[in] slotnr slot number for which the baud rate should be set</span><br><span style="color: hsl(0, 100%, 40%);">- * @param[in] baudrate baud rate in bps to set</span><br><span style="color: hsl(0, 100%, 40%);">- * @return if the baud rate has been set, else a parameter is out of range</span><br><span style="color: hsl(0, 100%, 40%);">- */</span><br><span style="color: hsl(0, 100%, 40%);">-static bool slot_set_baudrate(uint8_t slotnr, uint32_t baudrate)</span><br><span style="color: hsl(0, 100%, 40%);">-{</span><br><span style="color: hsl(0, 100%, 40%);">- ASSERT(slotnr < ARRAY_SIZE(SIM_peripheral_descriptors));</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">- // calculate the error corresponding to the clock sources</span><br><span style="color: hsl(0, 100%, 40%);">- uint16_t bauds[ARRAY_SIZE(sercom_glck_freqs)];</span><br><span style="color: hsl(0, 100%, 40%);">- double errors[ARRAY_SIZE(sercom_glck_freqs)];</span><br><span style="color: hsl(0, 100%, 40%);">- for (uint8_t i = 0; i < ARRAY_SIZE(sercom_glck_freqs); i++) {</span><br><span style="color: hsl(0, 100%, 40%);">- double freq = sercom_glck_freqs[i]; // remember possible SERCOM frequency</span><br><span style="color: hsl(0, 100%, 40%);">- uint32_t min = freq / (2 * (255 + 1)); // calculate the minimum baud rate for this frequency</span><br><span style="color: hsl(0, 100%, 40%);">- uint32_t max = freq / (2 * (0 + 1)); // calculate the maximum baud rate for this frequency</span><br><span style="color: hsl(0, 100%, 40%);">- if (baudrate < min || baudrate > max) { // baud rate it out of supported range</span><br><span style="color: hsl(0, 100%, 40%);">- errors[i] = NAN;</span><br><span style="color: hsl(0, 100%, 40%);">- } else {</span><br><span style="color: hsl(0, 100%, 40%);">- uint16_t baud = round(freq / (2 * baudrate) - 1);</span><br><span style="color: hsl(0, 100%, 40%);">- bauds[i] = baud;</span><br><span style="color: hsl(0, 100%, 40%);">- double actual = freq / (2 * (baud + 1));</span><br><span style="color: hsl(0, 100%, 40%);">- errors[i] = fabs(1.0 - (actual / baudrate));</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">- // find the smallest error</span><br><span style="color: hsl(0, 100%, 40%);">- uint8_t best = ARRAY_SIZE(sercom_glck_freqs);</span><br><span style="color: hsl(0, 100%, 40%);">- for (uint8_t i = 0; i < ARRAY_SIZE(sercom_glck_freqs); i++) {</span><br><span style="color: hsl(0, 100%, 40%);">- if (isnan(errors[i])) {</span><br><span style="color: hsl(0, 100%, 40%);">- continue;</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">- if (best >= ARRAY_SIZE(sercom_glck_freqs)) {</span><br><span style="color: hsl(0, 100%, 40%);">- best = i;</span><br><span style="color: hsl(0, 100%, 40%);">- } else if (errors[i] < errors[best]) {</span><br><span style="color: hsl(0, 100%, 40%);">- best = i;</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">- if (best >= ARRAY_SIZE(sercom_glck_freqs)) { // found no clock supporting this baud rate</span><br><span style="color: hsl(0, 100%, 40%);">- return false;</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">- // set clock and baud rate</span><br><span style="color: hsl(0, 100%, 40%);">- struct usart_async_descriptor* slot = SIM_peripheral_descriptors[slotnr]; // get slot</span><br><span style="color: hsl(0, 100%, 40%);">- if (NULL == slot) {</span><br><span style="color: hsl(0, 100%, 40%);">- return false;</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">- printf("(%u) switching SERCOM clock to GCLK%u (freq = %lu kHz) and baud rate to %lu bps (baud = %u)\r\n", slotnr, (best + 1) * 2, (uint32_t)(round(sercom_glck_freqs[best] / 1000)), baudrate, bauds[best]);</span><br><span style="color: hsl(0, 100%, 40%);">- while (!usart_async_is_tx_empty(slot)); // wait for transmission to complete (WARNING no timeout)</span><br><span style="color: hsl(0, 100%, 40%);">- usart_async_disable(slot); // disable SERCOM peripheral</span><br><span style="color: hsl(0, 100%, 40%);">- hri_gclk_clear_PCHCTRL_reg(GCLK, SIM_peripheral_GCLK_ID[slotnr], (1 << GCLK_PCHCTRL_CHEN_Pos)); // disable clock for this peripheral</span><br><span style="color: hsl(0, 100%, 40%);">- while (hri_gclk_get_PCHCTRL_reg(GCLK, SIM_peripheral_GCLK_ID[slotnr], (1 << GCLK_PCHCTRL_CHEN_Pos))); // wait until clock is really disabled</span><br><span style="color: hsl(0, 100%, 40%);">- // it does not seem we need to completely disable the peripheral using hri_mclk_clear_APBDMASK_SERCOMn_bit</span><br><span style="color: hsl(0, 100%, 40%);">- hri_gclk_write_PCHCTRL_reg(GCLK, SIM_peripheral_GCLK_ID[slotnr], sercom_glck_sources[best] | (1 << GCLK_PCHCTRL_CHEN_Pos)); // set peripheral core clock and re-enable it</span><br><span style="color: hsl(0, 100%, 40%);">- usart_async_set_baud_rate(slot, bauds[best]); // set the new baud rate</span><br><span style="color: hsl(0, 100%, 40%);">- usart_async_enable(slot); // re-enable SERCOM peripheral</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">- return true;</span><br><span style="color: hsl(0, 100%, 40%);">-}</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">-/** change ISO baud rate of card slot</span><br><span style="color: hsl(0, 100%, 40%);">- * @param[in] slotnr slot number for which the baud rate should be set</span><br><span style="color: hsl(0, 100%, 40%);">- * @param[in] clkdiv can clock divider</span><br><span style="color: hsl(0, 100%, 40%);">- * @param[in] f clock rate conversion integer F</span><br><span style="color: hsl(0, 100%, 40%);">- * @param[in] d baud rate adjustment factor D</span><br><span style="color: hsl(0, 100%, 40%);">- * @return if the baud rate has been set, else a parameter is out of range</span><br><span style="color: hsl(0, 100%, 40%);">- */</span><br><span style="color: hsl(0, 100%, 40%);">-static bool slot_set_isorate(uint8_t slotnr, enum ncn8025_sim_clkdiv clkdiv, uint16_t f, uint8_t d)</span><br><span style="color: hsl(0, 100%, 40%);">-{</span><br><span style="color: hsl(0, 100%, 40%);">- // input checks</span><br><span style="color: hsl(0, 100%, 40%);">- ASSERT(slotnr < ARRAY_SIZE(SIM_peripheral_descriptors));</span><br><span style="color: hsl(0, 100%, 40%);">- if (clkdiv != SIM_CLKDIV_1 && clkdiv != SIM_CLKDIV_2 && clkdiv != SIM_CLKDIV_4 && clkdiv != SIM_CLKDIV_8) {</span><br><span style="color: hsl(0, 100%, 40%);">- return false;</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">- if (!iso7816_3_valid_f(f)) {</span><br><span style="color: hsl(0, 100%, 40%);">- return false;</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">- if (!iso7816_3_valid_d(d)) {</span><br><span style="color: hsl(0, 100%, 40%);">- return false;</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">- // set clockdiv</span><br><span style="color: hsl(0, 100%, 40%);">- struct ncn8025_settings settings;</span><br><span style="color: hsl(0, 100%, 40%);">- ncn8025_get(slotnr, &settings);</span><br><span style="color: hsl(0, 100%, 40%);">- if (settings.clkdiv != clkdiv) {</span><br><span style="color: hsl(0, 100%, 40%);">- settings.clkdiv = clkdiv;</span><br><span style="color: hsl(0, 100%, 40%);">- ncn8025_set(slotnr, &settings);</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">- // calculate desired frequency</span><br><span style="color: hsl(0, 100%, 40%);">- uint32_t freq = 20000000UL; // maximum frequency</span><br><span style="color: hsl(0, 100%, 40%);">- switch (clkdiv) {</span><br><span style="color: hsl(0, 100%, 40%);">- case SIM_CLKDIV_1:</span><br><span style="color: hsl(0, 100%, 40%);">- freq /= 1;</span><br><span style="color: hsl(0, 100%, 40%);">- break;</span><br><span style="color: hsl(0, 100%, 40%);">- case SIM_CLKDIV_2:</span><br><span style="color: hsl(0, 100%, 40%);">- freq /= 2;</span><br><span style="color: hsl(0, 100%, 40%);">- break;</span><br><span style="color: hsl(0, 100%, 40%);">- case SIM_CLKDIV_4:</span><br><span style="color: hsl(0, 100%, 40%);">- freq /= 4;</span><br><span style="color: hsl(0, 100%, 40%);">- break;</span><br><span style="color: hsl(0, 100%, 40%);">- case SIM_CLKDIV_8:</span><br><span style="color: hsl(0, 100%, 40%);">- freq /= 8;</span><br><span style="color: hsl(0, 100%, 40%);">- break;</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">- // set baud rate</span><br><span style="color: hsl(0, 100%, 40%);">- uint32_t baudrate = (freq * d) / f; // calculate actual baud rate</span><br><span style="color: hsl(0, 100%, 40%);">- return slot_set_baudrate(slotnr, baudrate); // set baud rate</span><br><span style="color: hsl(0, 100%, 40%);">-}</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">-/** write data to card</span><br><span style="color: hsl(0, 100%, 40%);">- * @param[in] slotnr slot number on which to send data</span><br><span style="color: hsl(0, 100%, 40%);">- * @param[in] data data to be transmitted</span><br><span style="color: hsl(0, 100%, 40%);">- * @param[in] length length of data to be transmitted</span><br><span style="color: hsl(0, 100%, 40%);">- * @return error code</span><br><span style="color: hsl(0, 100%, 40%);">- */</span><br><span style="color: hsl(0, 100%, 40%);">-static int slot_card_write(uint8_t slotnr, const uint8_t* data, uint16_t length)</span><br><span style="color: hsl(0, 100%, 40%);">-{</span><br><span style="color: hsl(0, 100%, 40%);">- // input checks</span><br><span style="color: hsl(0, 100%, 40%);">- ASSERT(slotnr < ARRAY_SIZE(SIM_peripheral_descriptors));</span><br><span style="color: hsl(0, 100%, 40%);">- if (0 == length || NULL == data) {</span><br><span style="color: hsl(0, 100%, 40%);">- return ERR_INVALID_ARG;</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">- struct usart_async_descriptor* sim = SIM_peripheral_descriptors[slotnr];</span><br><span style="color: hsl(0, 100%, 40%);">- ((Sercom *)sim->device.hw)->USART.CTRLB.bit.RXEN = 0; // disable receive (to avoid the echo back)</span><br><span style="color: hsl(0, 100%, 40%);">- SIM_tx_count[slotnr] = false; // reset TX complete</span><br><span style="color: hsl(0, 100%, 40%);">- for (uint16_t i = 0; i < length; i++) { // transmit data</span><br><span style="color: hsl(0, 100%, 40%);">- while(!usart_async_is_tx_empty(sim)); // wait for previous byte to be transmitted (WARNING blocking)</span><br><span style="color: hsl(0, 100%, 40%);">- if (1 != io_write(&sim->io, &data[i], 1)) { // put but in transmit buffer</span><br><span style="color: hsl(0, 100%, 40%);">- return ERR_IO;</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">- while (!SIM_tx_count[slotnr]); // wait until transmission is complete (WARNING blocking)</span><br><span style="color: hsl(0, 100%, 40%);">- ((Sercom *)sim->device.hw)->USART.CTRLB.bit.RXEN = 1; // enable receive again</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">- return ERR_NONE;</span><br><span style="color: hsl(0, 100%, 40%);">-}</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">-/** read data from card</span><br><span style="color: hsl(0, 100%, 40%);">- * @param[in] slotnr slot number on which to send data</span><br><span style="color: hsl(0, 100%, 40%);">- * @param[out] data buffer for read data to be stored</span><br><span style="color: hsl(0, 100%, 40%);">- * @param[in] length length of data to be read</span><br><span style="color: hsl(0, 100%, 40%);">- * @param[in] wt Waiting Time in ETU</span><br><span style="color: hsl(0, 100%, 40%);">- * @return error code</span><br><span style="color: hsl(0, 100%, 40%);">- * TODO fix WT/ETU duration</span><br><span style="color: hsl(0, 100%, 40%);">- */</span><br><span style="color: hsl(0, 100%, 40%);">-static int slot_card_read(uint8_t slotnr, uint8_t* data, uint16_t length, uint32_t wt)</span><br><span style="color: hsl(0, 100%, 40%);">-{</span><br><span style="color: hsl(0, 100%, 40%);">- // input checks</span><br><span style="color: hsl(0, 100%, 40%);">- ASSERT(slotnr < ARRAY_SIZE(SIM_peripheral_descriptors));</span><br><span style="color: hsl(0, 100%, 40%);">- if (0 == length || NULL == data) {</span><br><span style="color: hsl(0, 100%, 40%);">- return ERR_INVALID_ARG;</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">- struct usart_async_descriptor* sim = SIM_peripheral_descriptors[slotnr];</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">- ((Sercom *)sim->device.hw)->USART.CTRLB.bit.RXEN = 1; // ensure RX is enabled</span><br><span style="color: hsl(0, 100%, 40%);">- uint32_t timeout = wt; // reset waiting time</span><br><span style="color: hsl(0, 100%, 40%);">- for (uint16_t i = 0; i < length; i++) { // read all data</span><br><span style="color: hsl(0, 100%, 40%);">- while (timeout && !usart_async_is_rx_not_empty(sim)) { // verify if data is present</span><br><span style="color: hsl(0, 100%, 40%);">- delay_us(149); // wait for 1 ETU (372 / 1 / 2.5 MHz = 148.8 us)</span><br><span style="color: hsl(0, 100%, 40%);">- timeout--;</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">- if (0 == timeout) { // timeout reached</span><br><span style="color: hsl(0, 100%, 40%);">- return ERR_TIMEOUT;</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">- timeout = wt; // reset waiting time</span><br><span style="color: hsl(0, 100%, 40%);">- if (1 != io_read(&sim->io, &data[i], 1)) { // read one byte</span><br><span style="color: hsl(0, 100%, 40%);">- return ERR_IO;</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">- return ERR_NONE;</span><br><span style="color: hsl(0, 100%, 40%);">-}</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">-/** transfer TPDU</span><br><span style="color: hsl(0, 100%, 40%);">- * @param[in] slotnr slot number on which to transfer the TPDU</span><br><span style="color: hsl(0, 100%, 40%);">- * @param[in] header TPDU header to send</span><br><span style="color: hsl(0, 100%, 40%);">- * @param[io] data TPDU data to transfer</span><br><span style="color: hsl(0, 100%, 40%);">- * @param[in] data_length length of TPDU data to transfer</span><br><span style="color: hsl(0, 100%, 40%);">- * @param[in] write if the data should be written (true) or read (false)</span><br><span style="color: hsl(0, 100%, 40%);">- * TODO fix WT</span><br><span style="color: hsl(0, 100%, 40%);">- * TODO the data length can be deduce from the header</span><br><span style="color: hsl(0, 100%, 40%);">- */</span><br><span style="color: hsl(0, 100%, 40%);">-static int slot_tpdu_xfer(uint8_t slotnr, const uint8_t* header, uint8_t* data, uint16_t data_length, bool write)</span><br><span style="color: hsl(0, 100%, 40%);">-{</span><br><span style="color: hsl(0, 100%, 40%);">- // input checks</span><br><span style="color: hsl(0, 100%, 40%);">- ASSERT(slotnr < ARRAY_SIZE(SIM_peripheral_descriptors));</span><br><span style="color: hsl(0, 100%, 40%);">- if (NULL == header || (data_length > 0 && NULL == data)) {</span><br><span style="color: hsl(0, 100%, 40%);">- return ERR_INVALID_ARG;</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">- int rc;</span><br><span style="color: hsl(0, 100%, 40%);">- struct usart_async_descriptor* sim = SIM_peripheral_descriptors[slotnr]; // get USART peripheral</span><br><span style="color: hsl(0, 100%, 40%);">- usart_async_flush_rx_buffer(sim); // flush RX buffer to start from scratch</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">- // send command header</span><br><span style="color: hsl(0, 100%, 40%);">- printf("(%d) TPDU: ", slotnr);</span><br><span style="color: hsl(0, 100%, 40%);">- for (uint8_t i = 0; i < 5; i++) {</span><br><span style="color: hsl(0, 100%, 40%);">- printf("%02x ", header[i]);</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">- rc = slot_card_write(slotnr, header, 5); // transmit header</span><br><span style="color: hsl(0, 100%, 40%);">- if (ERR_NONE != rc) {</span><br><span style="color: hsl(0, 100%, 40%);">- printf("error in command header transmit (errno = %d)\r\n", rc);</span><br><span style="color: hsl(0, 100%, 40%);">- return rc;</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">- // read procedure byte, and handle data</span><br><span style="color: hsl(0, 100%, 40%);">- uint8_t pb = 0x60; // wait more procedure byte</span><br><span style="color: hsl(0, 100%, 40%);">- uint16_t data_i = 0; // progress in the data transfer</span><br><span style="color: hsl(0, 100%, 40%);">- while (0x60 == pb) { // wait for SW</span><br><span style="color: hsl(0, 100%, 40%);">- rc = slot_card_read(slotnr, &pb, 1, ISO7816_3_DEFAULT_WT);</span><br><span style="color: hsl(0, 100%, 40%);">- if (ERR_NONE != rc) {</span><br><span style="color: hsl(0, 100%, 40%);">- printf("error while receiving PB/SW1 (errno = %d)\r\n", rc);</span><br><span style="color: hsl(0, 100%, 40%);">- return rc;</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">- printf("%02x ", pb);</span><br><span style="color: hsl(0, 100%, 40%);">- if (0x60 == pb) { // NULL byte</span><br><span style="color: hsl(0, 100%, 40%);">- // just wait more time</span><br><span style="color: hsl(0, 100%, 40%);">- } else if ((0x60 == (pb & 0xf0)) || (0x90 == (pb & 0xf0))) { // SW1 byte</span><br><span style="color: hsl(0, 100%, 40%);">- // left the rest of the code handle it</span><br><span style="color: hsl(0, 100%, 40%);">- } else if (header[1] == pb) { // ACK byte</span><br><span style="color: hsl(0, 100%, 40%);">- // transfer rest of the data</span><br><span style="color: hsl(0, 100%, 40%);">- if (data_i >= data_length) {</span><br><span style="color: hsl(0, 100%, 40%);">- printf("error no more data to transfer\r\n");</span><br><span style="color: hsl(0, 100%, 40%);">- return ERR_INVALID_DATA;</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">- if (write) { // transmit remaining command data</span><br><span style="color: hsl(0, 100%, 40%);">- rc = slot_card_write(slotnr, &data[data_i], data_length - data_i); // transmit command data</span><br><span style="color: hsl(0, 100%, 40%);">- if (ERR_NONE != rc) {</span><br><span style="color: hsl(0, 100%, 40%);">- printf("error in command data transmit (errno = %d)\r\n", rc);</span><br><span style="color: hsl(0, 100%, 40%);">- return rc;</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">- } else { // receive remaining command data</span><br><span style="color: hsl(0, 100%, 40%);">- rc = slot_card_read(slotnr, &data[data_i], data_length - data_i, ISO7816_3_DEFAULT_WT);</span><br><span style="color: hsl(0, 100%, 40%);">- if (ERR_NONE != rc) {</span><br><span style="color: hsl(0, 100%, 40%);">- printf("error in command data receive (errno = %d)\r\n", rc);</span><br><span style="color: hsl(0, 100%, 40%);">- return rc;</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">- for (uint16_t i = data_i; i < data_length; i++) {</span><br><span style="color: hsl(0, 100%, 40%);">- printf("%02x ", data[i]);</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">- data_i = data_length; // remember we transferred the data</span><br><span style="color: hsl(0, 100%, 40%);">- pb = 0x60; // wait for SW1</span><br><span style="color: hsl(0, 100%, 40%);">- } else if (header[1] == (pb ^ 0xff)) { // ACK byte</span><br><span style="color: hsl(0, 100%, 40%);">- // transfer only one byte</span><br><span style="color: hsl(0, 100%, 40%);">- if (data_i >= data_length) {</span><br><span style="color: hsl(0, 100%, 40%);">- printf("error no more data to transfer\r\n");</span><br><span style="color: hsl(0, 100%, 40%);">- return ERR_INVALID_DATA;</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">- if (write) { // transmit command data byte</span><br><span style="color: hsl(0, 100%, 40%);">- rc = slot_card_write(slotnr, &data[data_i], 1); // transmit command data</span><br><span style="color: hsl(0, 100%, 40%);">- if (ERR_NONE != rc) {</span><br><span style="color: hsl(0, 100%, 40%);">- printf("error in command data transmit (errno = %d)\r\n", rc);</span><br><span style="color: hsl(0, 100%, 40%);">- return rc;</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">- } else { // receive command data byte</span><br><span style="color: hsl(0, 100%, 40%);">- rc = slot_card_read(slotnr, &data[data_i], 1, ISO7816_3_DEFAULT_WT);</span><br><span style="color: hsl(0, 100%, 40%);">- if (ERR_NONE != rc) {</span><br><span style="color: hsl(0, 100%, 40%);">- printf("error in command data receive (errno = %d)\r\n", rc);</span><br><span style="color: hsl(0, 100%, 40%);">- return rc;</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">- printf("%02x ", data[data_i]);</span><br><span style="color: hsl(0, 100%, 40%);">- data_i += 1; // remember we transferred one data byte</span><br><span style="color: hsl(0, 100%, 40%);">- pb = 0x60; // wait for SW1</span><br><span style="color: hsl(0, 100%, 40%);">- } else { // invalid byte</span><br><span style="color: hsl(0, 100%, 40%);">- return ERR_INVALID_DATA;</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">- // read SW2</span><br><span style="color: hsl(0, 100%, 40%);">- uint8_t sw2;</span><br><span style="color: hsl(0, 100%, 40%);">- rc = slot_card_read(slotnr, &sw2, 1, ISO7816_3_DEFAULT_WT);</span><br><span style="color: hsl(0, 100%, 40%);">- if (ERR_NONE != rc) {</span><br><span style="color: hsl(0, 100%, 40%);">- printf("error in receiving SW2 (errno = %d)\r\n", rc);</span><br><span style="color: hsl(0, 100%, 40%);">- return rc;</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">- printf("%02x", sw2);</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">- printf("\r\n");</span><br><span style="color: hsl(0, 100%, 40%);">- return ERR_NONE;</span><br><span style="color: hsl(0, 100%, 40%);">-}</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">-DEFUN(sim_status, cmd_sim_status, "sim-status", "Get state of specified NCN8025")</span><br><span style="color: hsl(0, 100%, 40%);">-{</span><br><span style="color: hsl(0, 100%, 40%);">- struct ncn8025_settings settings;</span><br><span style="color: hsl(0, 100%, 40%);">- int slotnr = validate_slotnr(argc, argv, 1);</span><br><span style="color: hsl(0, 100%, 40%);">- if (slotnr < 0)</span><br><span style="color: hsl(0, 100%, 40%);">- return;</span><br><span style="color: hsl(0, 100%, 40%);">- ncn8025_get(slotnr, &settings);</span><br><span style="color: hsl(0, 100%, 40%);">- printf("SIM%d: ", slotnr);</span><br><span style="color: hsl(0, 100%, 40%);">- ncn8025_dump(&settings);</span><br><span style="color: hsl(0, 100%, 40%);">- printf("\r\n");</span><br><span style="color: hsl(0, 100%, 40%);">-}</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">-DEFUN(sim_power, cmd_sim_power, "sim-power", "Enable/disable SIM card power")</span><br><span style="color: hsl(0, 100%, 40%);">-{</span><br><span style="color: hsl(0, 100%, 40%);">- struct ncn8025_settings settings;</span><br><span style="color: hsl(0, 100%, 40%);">- int slotnr = validate_slotnr(argc, argv, 1);</span><br><span style="color: hsl(0, 100%, 40%);">- int enable;</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">- if (slotnr < 0)</span><br><span style="color: hsl(0, 100%, 40%);">- return;</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">- if (argc < 3) {</span><br><span style="color: hsl(0, 100%, 40%);">- printf("You have to specify 0=disable or 1=enable\r\n");</span><br><span style="color: hsl(0, 100%, 40%);">- return;</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">- enable = atoi(argv[2]);</span><br><span style="color: hsl(0, 100%, 40%);">- ncn8025_get(slotnr, &settings);</span><br><span style="color: hsl(0, 100%, 40%);">- if (enable)</span><br><span style="color: hsl(0, 100%, 40%);">- settings.cmdvcc = true;</span><br><span style="color: hsl(0, 100%, 40%);">- else</span><br><span style="color: hsl(0, 100%, 40%);">- settings.cmdvcc = false;</span><br><span style="color: hsl(0, 100%, 40%);">- ncn8025_set(slotnr, &settings);</span><br><span style="color: hsl(0, 100%, 40%);">-}</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">-DEFUN(sim_reset, cmd_sim_reset, "sim-reset", "Enable/disable SIM reset")</span><br><span style="color: hsl(0, 100%, 40%);">-{</span><br><span style="color: hsl(0, 100%, 40%);">- struct ncn8025_settings settings;</span><br><span style="color: hsl(0, 100%, 40%);">- int slotnr = validate_slotnr(argc, argv, 1);</span><br><span style="color: hsl(0, 100%, 40%);">- int enable;</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">- if (slotnr < 0)</span><br><span style="color: hsl(0, 100%, 40%);">- return;</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">- if (argc < 3) {</span><br><span style="color: hsl(0, 100%, 40%);">- printf("You have to specify 0=disable or 1=enable\r\n");</span><br><span style="color: hsl(0, 100%, 40%);">- return;</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">- enable = atoi(argv[2]);</span><br><span style="color: hsl(0, 100%, 40%);">- ncn8025_get(slotnr, &settings);</span><br><span style="color: hsl(0, 100%, 40%);">- if (enable)</span><br><span style="color: hsl(0, 100%, 40%);">- settings.rstin = true;</span><br><span style="color: hsl(0, 100%, 40%);">- else</span><br><span style="color: hsl(0, 100%, 40%);">- settings.rstin = false;</span><br><span style="color: hsl(0, 100%, 40%);">- ncn8025_set(slotnr, &settings);</span><br><span style="color: hsl(0, 100%, 40%);">-}</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">-DEFUN(sim_clkdiv, cmd_sim_clkdiv, "sim-clkdiv", "Set SIM clock divider (1,2,4,8)")</span><br><span style="color: hsl(0, 100%, 40%);">-{</span><br><span style="color: hsl(0, 100%, 40%);">- struct ncn8025_settings settings;</span><br><span style="color: hsl(0, 100%, 40%);">- int slotnr = validate_slotnr(argc, argv, 1);</span><br><span style="color: hsl(0, 100%, 40%);">- int clkdiv;</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">- if (slotnr < 0)</span><br><span style="color: hsl(0, 100%, 40%);">- return;</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">- if (argc < 3) {</span><br><span style="color: hsl(0, 100%, 40%);">- printf("You have to specify a valid divider (1,2,4,8)\r\n");</span><br><span style="color: hsl(0, 100%, 40%);">- return;</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">- clkdiv = atoi(argv[2]);</span><br><span style="color: hsl(0, 100%, 40%);">- if (clkdiv != 1 && clkdiv != 2 && clkdiv != 4 && clkdiv != 8) {</span><br><span style="color: hsl(0, 100%, 40%);">- printf("You have to specify a valid divider (1,2,4,8)\r\n");</span><br><span style="color: hsl(0, 100%, 40%);">- return;</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">- ncn8025_get(slotnr, &settings);</span><br><span style="color: hsl(0, 100%, 40%);">- switch (clkdiv) {</span><br><span style="color: hsl(0, 100%, 40%);">- case 1:</span><br><span style="color: hsl(0, 100%, 40%);">- settings.clkdiv = SIM_CLKDIV_1;</span><br><span style="color: hsl(0, 100%, 40%);">- break;</span><br><span style="color: hsl(0, 100%, 40%);">- case 2:</span><br><span style="color: hsl(0, 100%, 40%);">- settings.clkdiv = SIM_CLKDIV_2;</span><br><span style="color: hsl(0, 100%, 40%);">- break;</span><br><span style="color: hsl(0, 100%, 40%);">- case 4:</span><br><span style="color: hsl(0, 100%, 40%);">- settings.clkdiv = SIM_CLKDIV_4;</span><br><span style="color: hsl(0, 100%, 40%);">- break;</span><br><span style="color: hsl(0, 100%, 40%);">- case 8:</span><br><span style="color: hsl(0, 100%, 40%);">- settings.clkdiv = SIM_CLKDIV_8;</span><br><span style="color: hsl(0, 100%, 40%);">- break;</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">- ncn8025_set(slotnr, &settings);</span><br><span style="color: hsl(0, 100%, 40%);">-}</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">-DEFUN(sim_voltage, cmd_sim_voltage, "sim-voltage", "Set SIM voltage (5/3/1.8)")</span><br><span style="color: hsl(0, 100%, 40%);">-{</span><br><span style="color: hsl(0, 100%, 40%);">- struct ncn8025_settings settings;</span><br><span style="color: hsl(0, 100%, 40%);">- int slotnr = validate_slotnr(argc, argv, 1);</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">- if (slotnr < 0)</span><br><span style="color: hsl(0, 100%, 40%);">- return;</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">- if (argc < 3) {</span><br><span style="color: hsl(0, 100%, 40%);">- printf("You have to specify a valid voltage (5/3/1.8)\r\n");</span><br><span style="color: hsl(0, 100%, 40%);">- return;</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">- ncn8025_get(slotnr, &settings);</span><br><span style="color: hsl(0, 100%, 40%);">- if (!strcmp(argv[2], "5"))</span><br><span style="color: hsl(0, 100%, 40%);">- settings.vsel = SIM_VOLT_5V0;</span><br><span style="color: hsl(0, 100%, 40%);">- else if (!strcmp(argv[2], "3"))</span><br><span style="color: hsl(0, 100%, 40%);">- settings.vsel = SIM_VOLT_3V0;</span><br><span style="color: hsl(0, 100%, 40%);">- else if (!strcmp(argv[2], "1.8"))</span><br><span style="color: hsl(0, 100%, 40%);">- settings.vsel = SIM_VOLT_1V8;</span><br><span style="color: hsl(0, 100%, 40%);">- else {</span><br><span style="color: hsl(0, 100%, 40%);">- printf("You have to specify a valid voltage (5/3/1.8)\r\n");</span><br><span style="color: hsl(0, 100%, 40%);">- return;</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">- ncn8025_set(slotnr, &settings);</span><br><span style="color: hsl(0, 100%, 40%);">-}</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">-DEFUN(sim_led, cmd_sim_led, "sim-led", "Set SIM LED (1=on, 0=off)")</span><br><span style="color: hsl(0, 100%, 40%);">-{</span><br><span style="color: hsl(0, 100%, 40%);">- struct ncn8025_settings settings;</span><br><span style="color: hsl(0, 100%, 40%);">- int slotnr = validate_slotnr(argc, argv, 1);</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">- if (slotnr < 0)</span><br><span style="color: hsl(0, 100%, 40%);">- return;</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">- if (argc < 3) {</span><br><span style="color: hsl(0, 100%, 40%);">- printf("You have to specify 0=disable or 1=enable\r\n");</span><br><span style="color: hsl(0, 100%, 40%);">- return;</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">- ncn8025_get(slotnr, &settings);</span><br><span style="color: hsl(0, 100%, 40%);">- if (atoi(argv[2]))</span><br><span style="color: hsl(0, 100%, 40%);">- settings.led = true;</span><br><span style="color: hsl(0, 100%, 40%);">- else</span><br><span style="color: hsl(0, 100%, 40%);">- settings.led = false;</span><br><span style="color: hsl(0, 100%, 40%);">- ncn8025_set(slotnr, &settings);</span><br><span style="color: hsl(0, 100%, 40%);">-}</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">-DEFUN(sim_atr, cmd_sim_atr, "sim-atr", "Read ATR from SIM card")</span><br><span style="color: hsl(0, 100%, 40%);">-{</span><br><span style="color: hsl(0, 100%, 40%);">- struct ncn8025_settings settings;</span><br><span style="color: hsl(0, 100%, 40%);">- int slotnr = validate_slotnr(argc, argv, 1);</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">- if (slotnr < 0 || slotnr >= ARRAY_SIZE(SIM_peripheral_descriptors) || NULL == SIM_peripheral_descriptors[slotnr]) {</span><br><span style="color: hsl(0, 100%, 40%);">- return;</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">- // check if card is present (and read current settings)</span><br><span style="color: hsl(0, 100%, 40%);">- ncn8025_get(slotnr, &settings);</span><br><span style="color: hsl(0, 100%, 40%);">- if (!settings.simpres) {</span><br><span style="color: hsl(0, 100%, 40%);">- printf("(%d) error: no card present\r\n", slotnr);</span><br><span style="color: hsl(0, 100%, 40%);">- return;</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">- // switch card off (assert reset and disable power)</span><br><span style="color: hsl(0, 100%, 40%);">- // note: ISO/IEC 7816-3:2006 section 6.4 provides the deactivation sequence, but not the minimum corresponding times</span><br><span style="color: hsl(0, 100%, 40%);">- settings.rstin = true;</span><br><span style="color: hsl(0, 100%, 40%);">- settings.cmdvcc = false;</span><br><span style="color: hsl(0, 100%, 40%);">- settings.led = true;</span><br><span style="color: hsl(0, 100%, 40%);">- ncn8025_set(slotnr, &settings);</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">- // TODO wait some time for card to be completely deactivated</span><br><span style="color: hsl(0, 100%, 40%);">- usart_async_flush_rx_buffer(SIM_peripheral_descriptors[slotnr]); // flush RX buffer to start from scratch</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">- </span><br><span style="color: hsl(0, 100%, 40%);">- // set clock to lowest frequency (20 MHz / 8 = 2.5 MHz)</span><br><span style="color: hsl(0, 100%, 40%);">- // note: according to ISO/IEC 7816-3:2006 section 5.2.3 the minimum value is 1 MHz, and maximum is 5 MHz during activation</span><br><span style="color: hsl(0, 100%, 40%);">- settings.clkdiv = SIM_CLKDIV_8;</span><br><span style="color: hsl(0, 100%, 40%);">- // set USART baud rate to match the interface (f = 2.5 MHz) and card default settings (Fd = 372, Dd = 1)</span><br><span style="color: hsl(0, 100%, 40%);">- slot_set_isorate(slotnr, settings.clkdiv, ISO7816_3_DEFAULT_FD, ISO7816_3_DEFAULT_DD);</span><br><span style="color: hsl(0, 100%, 40%);">- // set card voltage to 3.0 V (the most supported)</span><br><span style="color: hsl(0, 100%, 40%);">- // note: according to ISO/IEC 7816-3:2006 no voltage should damage the card, and you should cycle from low to high</span><br><span style="color: hsl(0, 100%, 40%);">- settings.vsel = SIM_VOLT_3V0;</span><br><span style="color: hsl(0, 100%, 40%);">- // provide power (the NCN8025 should perform the activation according to spec)</span><br><span style="color: hsl(0, 100%, 40%);">- // note: activation sequence is documented in ISO/IEC 7816-3:2006 section 6.2</span><br><span style="color: hsl(0, 100%, 40%);">- settings.cmdvcc = true;</span><br><span style="color: hsl(0, 100%, 40%);">- ncn8025_set(slotnr, &settings);</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">- // wait for Tb=400 cycles before re-asserting reset</span><br><span style="color: hsl(0, 100%, 40%);">- delay_us(400 * 10000 / 2500); // 400 cycles * 1000 for us, 2.5 MHz / 1000 for us</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">- // de-assert reset to switch card back on</span><br><span style="color: hsl(0, 100%, 40%);">- settings.rstin = false;</span><br><span style="color: hsl(0, 100%, 40%);">- ncn8025_set(slotnr, &settings);</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">- // wait for Tc=40000 cycles for transmission to start</span><br><span style="color: hsl(0, 100%, 40%);">- uint32_t cycles = 40000;</span><br><span style="color: hsl(0, 100%, 40%);">- while (cycles && !usart_async_is_rx_not_empty(SIM_peripheral_descriptors[slotnr])) {</span><br><span style="color: hsl(0, 100%, 40%);">- delay_us(10);</span><br><span style="color: hsl(0, 100%, 40%);">- cycles -= 25; // 10 us = 25 cycles at 2.5 MHz</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">- if (!usart_async_is_rx_not_empty(SIM_peripheral_descriptors[slotnr])) {</span><br><span style="color: hsl(0, 100%, 40%);">- delay_us(12 * 372 / 1 / 2); // wait more than one byte (approximate freq down to 2 MHz)</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">- // verify if one byte has been received</span><br><span style="color: hsl(0, 100%, 40%);">- if (!usart_async_is_rx_not_empty(SIM_peripheral_descriptors[slotnr])) {</span><br><span style="color: hsl(0, 100%, 40%);">- printf("(%d) error: card not responsive\r\n", slotnr);</span><br><span style="color: hsl(0, 100%, 40%);">- return;</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">- // read ATR (just do it until there is no traffic anymore)</span><br><span style="color: hsl(0, 100%, 40%);">- // TODO the ATR should be parsed to read the right number of bytes, instead we just wait until to end of WT</span><br><span style="color: hsl(0, 100%, 40%);">- printf("(%d) ATR: ", slotnr);</span><br><span style="color: hsl(0, 100%, 40%);">- uint8_t atr_byte;</span><br><span style="color: hsl(0, 100%, 40%);">- while (usart_async_is_rx_not_empty(SIM_peripheral_descriptors[slotnr])) {</span><br><span style="color: hsl(0, 100%, 40%);">- if (1 == io_read(&SIM_peripheral_descriptors[slotnr]->io, &atr_byte, 1)) {</span><br><span style="color: hsl(0, 100%, 40%);">- printf("%02x ", atr_byte);</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">- uint16_t wt = ISO7816_3_DEFAULT_WT; // waiting time in ETU</span><br><span style="color: hsl(0, 100%, 40%);">- while (wt && !usart_async_is_rx_not_empty(SIM_peripheral_descriptors[slotnr])) {</span><br><span style="color: hsl(0, 100%, 40%);">- delay_us(149); // wait for 1 ETU (372 / 1 / 2.5 MHz = 148.8 us)</span><br><span style="color: hsl(0, 100%, 40%);">- wt--;</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">- printf("\r\n");</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">- /* disable LED */</span><br><span style="color: hsl(0, 100%, 40%);">- settings.led = false;</span><br><span style="color: hsl(0, 100%, 40%);">- ncn8025_set(slotnr, &settings);</span><br><span style="color: hsl(0, 100%, 40%);">-}</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">-DEFUN(sim_iccid, cmd_sim_iccid, "sim-iccid", "Read ICCID from SIM card")</span><br><span style="color: hsl(0, 100%, 40%);">-{</span><br><span style="color: hsl(0, 100%, 40%);">- struct ncn8025_settings settings;</span><br><span style="color: hsl(0, 100%, 40%);">- int slotnr = validate_slotnr(argc, argv, 1);</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">- if (slotnr < 0 || slotnr >= ARRAY_SIZE(SIM_peripheral_descriptors) || NULL == SIM_peripheral_descriptors[slotnr]) {</span><br><span style="color: hsl(0, 100%, 40%);">- return;</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">- // read current settings and check if card is present and powered</span><br><span style="color: hsl(0, 100%, 40%);">- ncn8025_get(slotnr, &settings);</span><br><span style="color: hsl(0, 100%, 40%);">- if (!settings.simpres) {</span><br><span style="color: hsl(0, 100%, 40%);">- printf("(%d) error: no card present\r\n", slotnr);</span><br><span style="color: hsl(0, 100%, 40%);">- return;</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">- if (!settings.cmdvcc) {</span><br><span style="color: hsl(0, 100%, 40%);">- printf("(%d) error: card not powered\r\n", slotnr);</span><br><span style="color: hsl(0, 100%, 40%);">- return;</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">- if (settings.rstin) {</span><br><span style="color: hsl(0, 100%, 40%);">- printf("(%d) error: card under reset\r\n", slotnr);</span><br><span style="color: hsl(0, 100%, 40%);">- return;</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">- // enable LED</span><br><span style="color: hsl(0, 100%, 40%);">- if (!settings.led) {</span><br><span style="color: hsl(0, 100%, 40%);">- settings.led = true;</span><br><span style="color: hsl(0, 100%, 40%);">- ncn8025_set(slotnr, &settings);</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">- // select MF</span><br><span style="color: hsl(0, 100%, 40%);">- printf("(%d) SELECT MF\r\n", slotnr);</span><br><span style="color: hsl(0, 100%, 40%);">- const uint8_t select_header[] = {0xa0, 0xa4, 0x00, 0x00, 0x02}; // see TS 102.221 sec. 11.1.1</span><br><span style="color: hsl(0, 100%, 40%);">- const uint8_t select_data_mf[] = {0x3f, 0x00}; // see TS 102.221 sec. 13.1</span><br><span style="color: hsl(0, 100%, 40%);">- int rc = slot_tpdu_xfer(slotnr, select_header, (uint8_t*)select_data_mf, ARRAY_SIZE(select_data_mf), true); // transfer TPDU</span><br><span style="color: hsl(0, 100%, 40%);">- if (ERR_NONE != rc) {</span><br><span style="color: hsl(0, 100%, 40%);">- printf("error while SELECT MF (errno = %d)\r\n", rc);</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">- // ignore response data</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">- // select EF_ICCID</span><br><span style="color: hsl(0, 100%, 40%);">- printf("(%d) SELECT EF_ICCID\r\n", slotnr);</span><br><span style="color: hsl(0, 100%, 40%);">- const uint8_t select_data_ef_iccid[] = {0x2f, 0xe2}; // see TS 102.221 sec. 13.2</span><br><span style="color: hsl(0, 100%, 40%);">- rc = slot_tpdu_xfer(slotnr, select_header, (uint8_t*)select_data_ef_iccid, ARRAY_SIZE(select_data_ef_iccid), true); // transfer TPDU</span><br><span style="color: hsl(0, 100%, 40%);">- if (ERR_NONE != rc) {</span><br><span style="color: hsl(0, 100%, 40%);">- printf("error while SELECT EF_ICCID (errno = %d)\r\n", rc);</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">- // ignore response data</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">- // read EF_ICCID</span><br><span style="color: hsl(0, 100%, 40%);">- printf("(%d) READ EF_ICCID\r\n", slotnr);</span><br><span style="color: hsl(0, 100%, 40%);">- uint8_t iccid[10];</span><br><span style="color: hsl(0, 100%, 40%);">- uint8_t read_binary[] = {0xa0, 0xb0, 0x00, 0x00, ARRAY_SIZE(iccid)}; // see TS 102.221 sec. 11.1.3</span><br><span style="color: hsl(0, 100%, 40%);">- rc = slot_tpdu_xfer(slotnr, read_binary, iccid, ARRAY_SIZE(iccid), false); // transfer TPDU</span><br><span style="color: hsl(0, 100%, 40%);">- if (ERR_NONE != rc) {</span><br><span style="color: hsl(0, 100%, 40%);">- printf("error while READ ICCID (errno = %d)\r\n", rc);</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">- // ignore response data</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">- printf("(%d) ICCID: ", slotnr);</span><br><span style="color: hsl(0, 100%, 40%);">- for (uint8_t i = 0; i < ARRAY_SIZE(iccid); i++) {</span><br><span style="color: hsl(0, 100%, 40%);">- uint8_t nibble = iccid[i] & 0xf;</span><br><span style="color: hsl(0, 100%, 40%);">- if (0xf == nibble) {</span><br><span style="color: hsl(0, 100%, 40%);">- break;</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">- printf("%x", nibble);</span><br><span style="color: hsl(0, 100%, 40%);">- nibble = iccid[i] >> 4;</span><br><span style="color: hsl(0, 100%, 40%);">- if (0xf == nibble) {</span><br><span style="color: hsl(0, 100%, 40%);">- break;</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">- printf("%x", nibble);</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span style="color: hsl(0, 100%, 40%);">- printf("\r\n");</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">- // disable LED</span><br><span style="color: hsl(0, 100%, 40%);">- settings.led = false;</span><br><span style="color: hsl(0, 100%, 40%);">- ncn8025_set(slotnr, &settings);</span><br><span style="color: hsl(0, 100%, 40%);">-}</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">-DEFUN(get_time, cmd_get_time, "get-time", "Read Time from RTC")</span><br><span style="color: hsl(0, 100%, 40%);">-{</span><br><span style="color: hsl(0, 100%, 40%);">- struct calendar_date_time dt;</span><br><span style="color: hsl(0, 100%, 40%);">- calendar_get_date_time(&CALENDAR_0, &dt);</span><br><span style="color: hsl(0, 100%, 40%);">- printf("%04u-%02u-%02u %02u:%02u:%02u\r\n", dt.date.year, dt.date.month, dt.date.day,</span><br><span style="color: hsl(0, 100%, 40%);">- dt.time.hour, dt.time.min, dt.time.sec);</span><br><span style="color: hsl(0, 100%, 40%);">-}</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">-#include <osmocom/core/timer.h></span><br><span style="color: hsl(0, 100%, 40%);">-static struct osmo_timer_list t;</span><br><span style="color: hsl(0, 100%, 40%);">-static void tmr_cb(void *data)</span><br><span style="color: hsl(0, 100%, 40%);">-{</span><br><span style="color: hsl(0, 100%, 40%);">- printf("timer fired!\r\n");</span><br><span style="color: hsl(0, 100%, 40%);">-}</span><br><span style="color: hsl(0, 100%, 40%);">-DEFUN(test_timer, cmd_test_timer, "test-timer", "Test osmo_timer")</span><br><span style="color: hsl(0, 100%, 40%);">-{</span><br><span style="color: hsl(0, 100%, 40%);">- printf("Setting up timer for 3s...\n\r");</span><br><span style="color: hsl(0, 100%, 40%);">- osmo_timer_setup(&t, &tmr_cb, NULL);</span><br><span style="color: hsl(0, 100%, 40%);">- osmo_timer_schedule(&t, 3, 0);</span><br><span style="color: hsl(0, 100%, 40%);">-}</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span> </span><br><span> extern void testmode_init(void);</span><br><span> extern void libosmo_emb_init(void);</span><br><span>@@ -993,25 +330,9 @@</span><br><span> </span><br><span> #include "talloc.h"</span><br><span> #include "logging.h"</span><br><span style="color: hsl(0, 100%, 40%);">-#include <osmocom/core/msgb.h></span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span> void *g_tall_ctx;</span><br><span> </span><br><span style="color: hsl(0, 100%, 40%);">-DEFUN(_talloc_report, cmd_talloc_report, "talloc-report", "Generate a talloc report")</span><br><span style="color: hsl(0, 100%, 40%);">-{</span><br><span style="color: hsl(0, 100%, 40%);">- talloc_report_full(g_tall_ctx, stdout);</span><br><span style="color: hsl(0, 100%, 40%);">-}</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">-DEFUN(talloc_test, cmd_talloc_test, "talloc-test", "Test the talloc allocator")</span><br><span style="color: hsl(0, 100%, 40%);">-{</span><br><span style="color: hsl(0, 100%, 40%);">- for (int i = 0; i < 10; i++)</span><br><span style="color: hsl(0, 100%, 40%);">- talloc_named_const(g_tall_ctx, 10, "sibling");</span><br><span style="color: hsl(0, 100%, 40%);">-}</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span style="color: hsl(0, 100%, 40%);">-DEFUN(v_talloc_free, cmd_talloc_free, "talloc-free", "Release all memory")</span><br><span style="color: hsl(0, 100%, 40%);">-{</span><br><span style="color: hsl(0, 100%, 40%);">- talloc_free(g_tall_ctx);</span><br><span style="color: hsl(0, 100%, 40%);">- g_tall_ctx = NULL;</span><br><span style="color: hsl(0, 100%, 40%);">-}</span><br><span> </span><br><span> /* Section 9.6 of SAMD5x/E5x Family Data Sheet */</span><br><span> static int get_chip_unique_serial(uint8_t *out, size_t len)</span><br><span>@@ -1067,6 +388,55 @@</span><br><span> strcat(out, "BACKUP ");</span><br><span> }</span><br><span> </span><br><span style="color: hsl(120, 100%, 40%);">+//#######################</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+static uint32_t clock_freqs[] = {</span><br><span style="color: hsl(120, 100%, 40%);">+ 2500000</span><br><span style="color: hsl(120, 100%, 40%);">+};</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+static uint32_t data_rates[] = {</span><br><span style="color: hsl(120, 100%, 40%);">+ 6720</span><br><span style="color: hsl(120, 100%, 40%);">+};</span><br><span style="color: hsl(120, 100%, 40%);">+extern struct usb_desc_collection usb_fs_descs;</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+static int feed_ccid(void)</span><br><span style="color: hsl(120, 100%, 40%);">+{</span><br><span style="color: hsl(120, 100%, 40%);">+ struct usb_ep_q *ep_q = &g_ccid_s.out_ep;</span><br><span style="color: hsl(120, 100%, 40%);">+ struct msgb *msg;</span><br><span style="color: hsl(120, 100%, 40%);">+ int rc;</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ msg = msgb_dequeue_irqsafe(&g_ccid_s.out_ep.list);</span><br><span style="color: hsl(120, 100%, 40%);">+ if (!msg)</span><br><span style="color: hsl(120, 100%, 40%);">+ return -1;</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ ccid_handle_out(&g_ci, msg);</span><br><span style="color: hsl(120, 100%, 40%);">+ return 1;</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+static int ccid_ops_send_in(struct ccid_instance *ci, struct msgb *msg)</span><br><span style="color: hsl(120, 100%, 40%);">+{</span><br><span style="color: hsl(120, 100%, 40%);">+ /* add just-received msg to tail of endpoint queue */</span><br><span style="color: hsl(120, 100%, 40%);">+ OSMO_ASSERT(msg);</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ /* append to list of pending-to-be-handed messages */</span><br><span style="color: hsl(120, 100%, 40%);">+ llist_add_tail_at(&msg->list, &g_ccid_s.in_ep.list);</span><br><span style="color: hsl(120, 100%, 40%);">+ submit_next_in();</span><br><span style="color: hsl(120, 100%, 40%);">+ return 0;</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+static const struct ccid_ops c_ops = {</span><br><span style="color: hsl(120, 100%, 40%);">+ .send_in = ccid_ops_send_in,</span><br><span style="color: hsl(120, 100%, 40%);">+ .send_int = 0,</span><br><span style="color: hsl(120, 100%, 40%);">+};</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+//#######################</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+#define NUM_OUT_BUF 7</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span> int main(void)</span><br><span> {</span><br><span> char sernr_buf[16*2+1];</span><br><span>@@ -1080,20 +450,6 @@</span><br><span> </span><br><span> board_init();</span><br><span> command_init("sysmoOCTSIM> ");</span><br><span style="color: hsl(0, 100%, 40%);">- command_register(&cmd_sim_status);</span><br><span style="color: hsl(0, 100%, 40%);">- command_register(&cmd_sim_power);</span><br><span style="color: hsl(0, 100%, 40%);">- command_register(&cmd_sim_reset);</span><br><span style="color: hsl(0, 100%, 40%);">- command_register(&cmd_sim_clkdiv);</span><br><span style="color: hsl(0, 100%, 40%);">- command_register(&cmd_sim_voltage);</span><br><span style="color: hsl(0, 100%, 40%);">- command_register(&cmd_sim_led);</span><br><span style="color: hsl(0, 100%, 40%);">- command_register(&cmd_sim_atr);</span><br><span style="color: hsl(0, 100%, 40%);">- command_register(&cmd_sim_iccid);</span><br><span style="color: hsl(0, 100%, 40%);">- testmode_init();</span><br><span style="color: hsl(0, 100%, 40%);">- command_register(&cmd_talloc_test);</span><br><span style="color: hsl(0, 100%, 40%);">- command_register(&cmd_talloc_report);</span><br><span style="color: hsl(0, 100%, 40%);">- command_register(&cmd_talloc_free);</span><br><span style="color: hsl(0, 100%, 40%);">- command_register(&cmd_get_time);</span><br><span style="color: hsl(0, 100%, 40%);">- command_register(&cmd_test_timer);</span><br><span> </span><br><span> printf("\r\n\r\n"</span><br><span> "=============================================================================\n\r"</span><br><span>@@ -1111,11 +467,39 @@</span><br><span> </span><br><span> LOGP(DUSB, LOGL_ERROR, "foobar usb\n");</span><br><span> </span><br><span style="color: hsl(0, 100%, 40%);">- command_print_prompt();</span><br><span style="color: hsl(120, 100%, 40%);">+ ccid_instance_init(&g_ci, &c_ops, &iso_fsm_slot_ops, &usb_fs_descs.ccid.class,</span><br><span style="color: hsl(120, 100%, 40%);">+ data_rates, clock_freqs, "", 0);</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ for(int i =0; i < NUM_OUT_BUF; i++){</span><br><span style="color: hsl(120, 100%, 40%);">+ struct msgb *msg = msgb_alloc(300, "ccid");</span><br><span style="color: hsl(120, 100%, 40%);">+ OSMO_ASSERT(msg);</span><br><span style="color: hsl(120, 100%, 40%);">+ /* return the message back to the queue of free message buffers */</span><br><span style="color: hsl(120, 100%, 40%);">+ llist_add_tail_at(&msg->list, &g_ccid_s.free_q);</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+ submit_next_out();</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+// command_print_prompt();</span><br><span> while (true) { // main loop</span><br><span> command_try_recv();</span><br><span> poll_card_detect();</span><br><span> submit_next_irq();</span><br><span style="color: hsl(120, 100%, 40%);">+ feed_ccid();</span><br><span> osmo_timers_update();</span><br><span style="color: hsl(120, 100%, 40%);">+ int qs = llist_count_at(&g_ccid_s.free_q);</span><br><span style="color: hsl(120, 100%, 40%);">+ if(qs > NUM_OUT_BUF)</span><br><span style="color: hsl(120, 100%, 40%);">+ for (int i= 0; i < qs-NUM_OUT_BUF; i++){</span><br><span style="color: hsl(120, 100%, 40%);">+ struct msgb *msg = msgb_dequeue_irqsafe(&g_ccid_s.free_q);</span><br><span style="color: hsl(120, 100%, 40%);">+ if (msg)</span><br><span style="color: hsl(120, 100%, 40%);">+ msgb_free(msg);</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+ if(qs < NUM_OUT_BUF)</span><br><span style="color: hsl(120, 100%, 40%);">+ for (int i= 0; i < qs-NUM_OUT_BUF; i++){</span><br><span style="color: hsl(120, 100%, 40%);">+ struct msgb *msg = msgb_alloc(300,"ccid");</span><br><span style="color: hsl(120, 100%, 40%);">+ OSMO_ASSERT(msg);</span><br><span style="color: hsl(120, 100%, 40%);">+ /* return the message back to the queue of free message buffers */</span><br><span style="color: hsl(120, 100%, 40%);">+ llist_add_tail_at(&msg->list, &g_ccid_s.free_q);</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span> }</span><br><span> }</span><br><span></span><br></pre><p>To view, visit <a href="https://gerrit.osmocom.org/c/osmo-ccid-firmware/+/16267">change 16267</a>. To unsubscribe, or for help writing mail filters, visit <a href="https://gerrit.osmocom.org/settings">settings</a>.</p><div itemscope itemtype="http://schema.org/EmailMessage"><div itemscope itemprop="action" itemtype="http://schema.org/ViewAction"><link itemprop="url" href="https://gerrit.osmocom.org/c/osmo-ccid-firmware/+/16267"/><meta itemprop="name" content="View Change"/></div></div>
<div style="display:none"> Gerrit-Project: osmo-ccid-firmware </div>
<div style="display:none"> Gerrit-Branch: master </div>
<div style="display:none"> Gerrit-Change-Id: Ic690055bc332ccca3de7c5f4429399cf9ff1d4da </div>
<div style="display:none"> Gerrit-Change-Number: 16267 </div>
<div style="display:none"> Gerrit-PatchSet: 1 </div>
<div style="display:none"> Gerrit-Owner: Hoernchen <ewild@sysmocom.de> </div>
<div style="display:none"> Gerrit-MessageType: newchange </div>