Change in simtrace2[master]: copy working cardem app to trace

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Kévin Redon gerrit-no-reply at lists.osmocom.org
Tue Jul 3 16:45:22 UTC 2018 

Kévin Redon has uploaded this change for review. ( https://gerrit.osmocom.org/9840


Change subject: copy working cardem app to trace
......................................................................

copy working cardem app to trace

because the applications share the board capabilities defined in
libboard/*/include/board.h and USB configurations are enabled according
to the previously defined capabilities in libcommon/source.usb.c, all
applications actually offer the same functions.
thus creating the trace application is only mainly a cosmetic change, as the
sniffer function will also be present and enabled in the cardem application.

Change-Id: I24b3500a0905cbd622507722280b3c7e7f188bde
---
A firmware/apps/trace/Makefile
M firmware/apps/trace/main.c
A firmware/apps/trace/usb_strings.txt
3 files changed, 222 insertions(+), 0 deletions(-)



  git pull ssh://gerrit.osmocom.org:29418/simtrace2 refs/changes/40/9840/1

diff --git a/firmware/apps/trace/Makefile b/firmware/apps/trace/Makefile
new file mode 100644
index 0000000..75c43e8
--- /dev/null
+++ b/firmware/apps/trace/Makefile
@@ -0,0 +1,3 @@
+C_FILES += $(C_LIBUSB_RT)
+
+C_FILES += card_emu.c cciddriver.c iso7816_4.c iso7816_fidi.c mitm.c mode_cardemu.c mode_ccid.c simtrace_iso7816.c sniffer.c tc_etu.c usb.c
diff --git a/firmware/apps/trace/main.c b/firmware/apps/trace/main.c
index e69de29..aabaa41 100644
--- a/firmware/apps/trace/main.c
+++ b/firmware/apps/trace/main.c
@@ -0,0 +1,209 @@
+// FIXME: Copyright license here
+/*------------------------------------------------------------------------------
+ *          Headers
+ *------------------------------------------------------------------------------*/
+
+#include "board.h"
+#include "simtrace.h"
+#include "utils.h"
+#include "osmocom/core/timer.h"
+
+unsigned int g_unique_id[4];
+
+/*------------------------------------------------------------------------------
+ *         Internal variables
+ *------------------------------------------------------------------------------*/
+typedef struct {
+	/* static initialization, called whether or not the usb config is active */
+	void (*configure) (void);
+	/* initialization function after the config was selected */
+	void (*init) (void);
+	/* de-initialization before selecting new config */
+	void (*exit) (void);
+	/* main loop content for given configuration */
+	void (*run) (void);
+	/* Interrupt handler for USART1 */
+	void (*usart0_irq) (void);
+	/* Interrupt handler for USART1 */
+	void (*usart1_irq) (void);
+} conf_func;
+
+static const conf_func config_func_ptrs[] = {
+	/* array slot 0 is empty, usb configs start at 1 */
+#ifdef HAVE_SNIFFER
+	[CFG_NUM_SNIFF] = {
+		.configure = Sniffer_configure,
+		.init = Sniffer_init,
+		.exit = Sniffer_exit,
+		.run = Sniffer_run,
+	},
+#endif
+#ifdef HAVE_CCID
+	[CFG_NUM_CCID] = {
+		.configure = CCID_configure,
+		.init = CCID_init,
+		.exit = CCID_exit,
+		.run = CCID_run,
+	},
+#endif
+#ifdef HAVE_CARDEM
+	[CFG_NUM_PHONE] = {
+		.configure = mode_cardemu_configure,
+		.init = mode_cardemu_init,
+		.exit = mode_cardemu_exit,
+		.run = mode_cardemu_run,
+		.usart0_irq = mode_cardemu_usart0_irq,
+		.usart1_irq = mode_cardemu_usart1_irq,
+	},
+#endif
+#ifdef HAVE_MITM
+	[CFG_NUM_MITM] = {
+		.configure = MITM_configure,
+		.init = MITM_init,
+		.exit = MITM_exit,
+		.run = MITM_run,
+	},
+#endif
+};
+
+/*------------------------------------------------------------------------------
+ *         Internal variables
+ *------------------------------------------------------------------------------*/
+#if defined(HAVE_SNIFFER)
+static volatile enum confNum simtrace_config = CFG_NUM_SNIFF;
+#elif defined(HAVE_CARDEM)
+static volatile enum confNum simtrace_config = CFG_NUM_PHONE;
+#elif defined(HAVE_CCID)
+static volatile enum confNum simtrace_config = CFG_NUM_CCID;
+#endif
+
+/*----------------------------------------------------------------------------
+ *       Callbacks
+ *----------------------------------------------------------------------------*/
+
+void USBDDriverCallbacks_ConfigurationChanged(uint8_t cfgnum)
+{
+	TRACE_INFO_WP("cfgChanged%d ", cfgnum);
+	simtrace_config = cfgnum;
+}
+
+void USART1_IrqHandler(void)
+{
+	if (config_func_ptrs[simtrace_config].usart1_irq)
+		config_func_ptrs[simtrace_config].usart1_irq();
+}
+
+void USART0_IrqHandler(void)
+{
+	if (config_func_ptrs[simtrace_config].usart0_irq)
+		config_func_ptrs[simtrace_config].usart0_irq();
+}
+
+/* returns '1' in case we should break any endless loop */
+static void check_exec_dbg_cmd(void)
+{
+	int ch;
+
+	if (!UART_IsRxReady())
+		return;
+
+	ch = UART_GetChar();
+
+	board_exec_dbg_cmd(ch);
+}
+
+/*------------------------------------------------------------------------------
+ *        Main
+ *------------------------------------------------------------------------------*/
+#define MAX_USB_ITER BOARD_MCK/72	// This should be around a second
+extern int main(void)
+{
+	uint8_t isUsbConnected = 0;
+	enum confNum last_simtrace_config = simtrace_config;
+	unsigned int i = 0;
+
+	led_init();
+	led_blink(LED_RED, BLINK_3O_5F);
+
+	/* Enable watchdog for 500ms, with no window */
+	WDT_Enable(WDT, WDT_MR_WDRSTEN | WDT_MR_WDDBGHLT | WDT_MR_WDIDLEHLT |
+		   (WDT_GetPeriod(500) << 16) | WDT_GetPeriod(500));
+
+	PIO_InitializeInterrupts(0);
+
+	EEFC_ReadUniqueID(g_unique_id);
+
+        printf("\n\r\n\r"
+		"=============================================================================\n\r"
+		"SIMtrace2 firmware " GIT_VERSION " (C) 2010-2016 by Harald Welte\n\r"
+		"=============================================================================\n\r");
+
+	TRACE_INFO("Chip ID: 0x%08x (Ext 0x%08x)\n\r", CHIPID->CHIPID_CIDR, CHIPID->CHIPID_EXID);
+	TRACE_INFO("Serial Nr. %08x-%08x-%08x-%08x\n\r",
+		   g_unique_id[0], g_unique_id[1],
+		   g_unique_id[2], g_unique_id[3]);
+	TRACE_INFO("Reset Cause: 0x%x\n\r", (RSTC->RSTC_SR & RSTC_SR_RSTTYP_Msk) >> RSTC_SR_RSTTYP_Pos);
+
+	board_main_top();
+
+	TRACE_INFO("USB init...\n\r");
+	SIMtrace_USB_Initialize();
+
+	while (USBD_GetState() < USBD_STATE_CONFIGURED) {
+		WDT_Restart(WDT);
+		check_exec_dbg_cmd();
+#if 0
+		if (i >= MAX_USB_ITER * 3) {
+			TRACE_ERROR("Resetting board (USB could "
+				    "not be configured)\n\r");
+			USBD_Disconnect();
+			NVIC_SystemReset();
+		}
+#endif
+		i++;
+	}
+
+	TRACE_INFO("calling configure of all configurations...\n\r");
+	for (i = 1; i < sizeof(config_func_ptrs) / sizeof(config_func_ptrs[0]);
+	     ++i) {
+		if (config_func_ptrs[i].configure)
+			config_func_ptrs[i].configure();
+	}
+
+	TRACE_INFO("calling init of config %u...\n\r", simtrace_config);
+	config_func_ptrs[simtrace_config].init();
+	last_simtrace_config = simtrace_config;
+
+	TRACE_INFO("entering main loop...\n\r");
+	while (1) {
+		WDT_Restart(WDT);
+#if TRACE_LEVEL >= TRACE_LEVEL_DEBUG
+		const char rotor[] = { '-', '\\', '|', '/' };
+		putchar('\b');
+		putchar(rotor[i++ % ARRAY_SIZE(rotor)]);
+#endif
+		check_exec_dbg_cmd();
+		osmo_timers_prepare();
+		osmo_timers_update();
+
+		if (USBD_GetState() < USBD_STATE_CONFIGURED) {
+
+			if (isUsbConnected) {
+				isUsbConnected = 0;
+			}
+		} else if (isUsbConnected == 0) {
+			TRACE_INFO("USB is now configured\n\r");
+
+			isUsbConnected = 1;
+		}
+		if (last_simtrace_config != simtrace_config) {
+			TRACE_INFO("USB config chg %u -> %u\n\r",
+				   last_simtrace_config, simtrace_config);
+			config_func_ptrs[last_simtrace_config].exit();
+			config_func_ptrs[simtrace_config].init();
+			last_simtrace_config = simtrace_config;
+		} else {
+			config_func_ptrs[simtrace_config].run();
+		}
+	}
+}
diff --git a/firmware/apps/trace/usb_strings.txt b/firmware/apps/trace/usb_strings.txt
new file mode 100644
index 0000000..0e797ac
--- /dev/null
+++ b/firmware/apps/trace/usb_strings.txt
@@ -0,0 +1,10 @@
+sysmocom - s.f.m.c. GmbH
+SIMtrace 2 compatible device
+SIMtrace Sniffer
+SIMtrace CCID
+SIMtrace Phone
+SIMtrace MITM
+CardEmulator Modem 1
+CardEmulator Modem 2
+CardEmulator Modem 3
+CardEmulator Modem 4

-- 
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Gerrit-Project: simtrace2
Gerrit-Branch: master
Gerrit-MessageType: newchange
Gerrit-Change-Id: I24b3500a0905cbd622507722280b3c7e7f188bde
Gerrit-Change-Number: 9840
Gerrit-PatchSet: 1
Gerrit-Owner: Kévin Redon <kredon at sysmocom.de>
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