<p>pespin has uploaded this change for <strong>review</strong>.</p><p><a href="https://gerrit.osmocom.org/c/osmo-bts/+/19702">View Change</a></p><pre style="font-family: monospace,monospace; white-space: pre-wrap;">tests: tx_power: Extend and add extra power_ramp buggy case<br><br>The test code is extended to support testing more than one ramping loop.<br><br>A new test ramping test is added, which shows buggy behavior, since<br>being in -10dBm and targeting 10dBm with max_initial_pout_mdBm=0 should<br>immediatelly jump -10->0 and then slowly ramp up (2dB) 0->10dB.<br>The issue will be fixed in next commit.<br><br>Change-Id: I5adc9008ac415eb23274755fc8270df8eebdc6fb<br>---<br>M tests/tx_power/tx_power_test.c<br>M tests/tx_power/tx_power_test.ok<br>2 files changed, 55 insertions(+), 10 deletions(-)<br><br></pre><pre style="font-family: monospace,monospace; white-space: pre-wrap;">git pull ssh://gerrit.osmocom.org:29418/osmo-bts refs/changes/02/19702/1</pre><pre style="font-family: monospace,monospace; white-space: pre-wrap;"><span>diff --git a/tests/tx_power/tx_power_test.c b/tests/tx_power/tx_power_test.c</span><br><span>index 12c51c6..dbabc87 100644</span><br><span>--- a/tests/tx_power/tx_power_test.c</span><br><span>+++ b/tests/tx_power/tx_power_test.c</span><br><span>@@ -20,6 +20,7 @@</span><br><span> */</span><br><span> </span><br><span> #include <stdint.h></span><br><span style="color: hsl(120, 100%, 40%);">+#include <errno.h></span><br><span> </span><br><span> #include <osmocom/core/utils.h></span><br><span> #include <osmocom/core/talloc.h></span><br><span>@@ -30,6 +31,7 @@</span><br><span> #include <osmo-bts/logging.h></span><br><span> #include <osmo-bts/tx_power.h></span><br><span> </span><br><span style="color: hsl(120, 100%, 40%);">+static bool power_ramp_finished = false;</span><br><span> </span><br><span> static const struct trx_power_params tpp_1002 = {</span><br><span> .trx_p_max_out_mdBm = to_mdB(23),</span><br><span>@@ -182,25 +184,56 @@</span><br><span> </span><br><span> int bts_model_change_power(struct gsm_bts_trx *trx, int p_trxout_mdBm)</span><br><span> {</span><br><span style="color: hsl(0, 100%, 40%);">- struct trx_power_params *tpp = &trx->power_params;</span><br><span> </span><br><span> printf("CHANGE_POWER(%d)\n", p_trxout_mdBm);</span><br><span> </span><br><span style="color: hsl(0, 100%, 40%);">- if (tpp->ramp.attenuation_mdB == 0)</span><br><span style="color: hsl(0, 100%, 40%);">- exit(0);</span><br><span style="color: hsl(0, 100%, 40%);">-</span><br><span> power_trx_change_compl(trx, p_trxout_mdBm);</span><br><span> return 0;</span><br><span> }</span><br><span> </span><br><span style="color: hsl(0, 100%, 40%);">-static void test_power_ramp(struct gsm_bts_trx *trx, int dBm)</span><br><span style="color: hsl(120, 100%, 40%);">+static void test_ramp_compl_cb(struct gsm_bts_trx *trx)</span><br><span style="color: hsl(120, 100%, 40%);">+{</span><br><span style="color: hsl(120, 100%, 40%);">+ power_ramp_finished = true;</span><br><span style="color: hsl(120, 100%, 40%);">+ printf("power_ramp finished\n");</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 test_power_ramp(struct gsm_bts_trx *trx, int dBm)</span><br><span> {</span><br><span> printf("Testing tx_power ramping for sysmoBTS 1020\n");</span><br><span style="color: hsl(120, 100%, 40%);">+ int rc;</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span> trx->power_params = tpp_1020;</span><br><span> trx->power_params.ramp.step_interval_sec = 0; /* speedup test */</span><br><span> trx->max_power_red = 0;</span><br><span> </span><br><span style="color: hsl(0, 100%, 40%);">- power_ramp_start(trx, to_mdB(dBm), 0, NULL);</span><br><span style="color: hsl(120, 100%, 40%);">+ power_ramp_finished = false;</span><br><span style="color: hsl(120, 100%, 40%);">+ if ((rc = power_ramp_start(trx, to_mdB(dBm), 0, test_ramp_compl_cb)))</span><br><span style="color: hsl(120, 100%, 40%);">+ return rc;</span><br><span style="color: hsl(120, 100%, 40%);">+ while (!power_ramp_finished)</span><br><span style="color: hsl(120, 100%, 40%);">+ osmo_select_main(0);</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%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+static int test_power_ramp_from_minus10(struct gsm_bts_trx *trx, int dBm)</span><br><span style="color: hsl(120, 100%, 40%);">+{</span><br><span style="color: hsl(120, 100%, 40%);">+ printf("Testing tx_power ramping for osmo-bts-trx after lock\n");</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%);">+ trx->power_params = tpp_1002;</span><br><span style="color: hsl(120, 100%, 40%);">+ trx->power_params.trx_p_max_out_mdBm = to_mdB(20);</span><br><span style="color: hsl(120, 100%, 40%);">+ trx->power_params.p_total_tgt_mdBm = to_mdB(-10);</span><br><span style="color: hsl(120, 100%, 40%);">+ trx->power_params.p_total_cur_mdBm = to_mdB(-10);</span><br><span style="color: hsl(120, 100%, 40%);">+ trx->power_params.ramp.max_initial_pout_mdBm = to_mdB(0);</span><br><span style="color: hsl(120, 100%, 40%);">+ trx->power_params.ramp.step_interval_sec = 0; /* speedup test */</span><br><span style="color: hsl(120, 100%, 40%);">+ trx->max_power_red = 10;</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ power_ramp_finished = false;</span><br><span style="color: hsl(120, 100%, 40%);">+ if ((rc = power_ramp_start(trx, to_mdB(dBm), 0, test_ramp_compl_cb)))</span><br><span style="color: hsl(120, 100%, 40%);">+ return rc;</span><br><span style="color: hsl(120, 100%, 40%);">+ while (!power_ramp_finished)</span><br><span style="color: hsl(120, 100%, 40%);">+ osmo_select_main(0);</span><br><span style="color: hsl(120, 100%, 40%);">+ return 0;</span><br><span> }</span><br><span> </span><br><span> int main(int argc, char **argv)</span><br><span>@@ -239,11 +272,10 @@</span><br><span> test_sbts2050(trx);</span><br><span> </span><br><span> /* test error case / excess power (40 dBm is too much) */</span><br><span style="color: hsl(0, 100%, 40%);">- test_power_ramp(trx, 40);</span><br><span style="color: hsl(120, 100%, 40%);">+ OSMO_ASSERT(test_power_ramp(trx, 40) == -ERANGE);</span><br><span> /* test actual ramping to full 33 dBm */</span><br><span> test_power_ramp(trx, 33);</span><br><span style="color: hsl(120, 100%, 40%);">+ /* Test ramp up from -10dBm (locked) to 10dBm */</span><br><span style="color: hsl(120, 100%, 40%);">+ test_power_ramp_from_minus10(trx, 10);</span><br><span> </span><br><span style="color: hsl(0, 100%, 40%);">- while (1) {</span><br><span style="color: hsl(0, 100%, 40%);">- osmo_select_main(0);</span><br><span style="color: hsl(0, 100%, 40%);">- }</span><br><span> }</span><br><span>diff --git a/tests/tx_power/tx_power_test.ok b/tests/tx_power/tx_power_test.ok</span><br><span>index ceb88ab..ec3ea61 100644</span><br><span>--- a/tests/tx_power/tx_power_test.ok</span><br><span>+++ b/tests/tx_power/tx_power_test.ok</span><br><span>@@ -21,3 +21,16 @@</span><br><span> CHANGE_POWER(20000)</span><br><span> CHANGE_POWER(22000)</span><br><span> CHANGE_POWER(23000)</span><br><span style="color: hsl(120, 100%, 40%);">+power_ramp finished</span><br><span style="color: hsl(120, 100%, 40%);">+Testing tx_power ramping for osmo-bts-trx after lock</span><br><span style="color: hsl(120, 100%, 40%);">+CHANGE_POWER(-8000)</span><br><span style="color: hsl(120, 100%, 40%);">+CHANGE_POWER(-6000)</span><br><span style="color: hsl(120, 100%, 40%);">+CHANGE_POWER(-4000)</span><br><span style="color: hsl(120, 100%, 40%);">+CHANGE_POWER(-2000)</span><br><span style="color: hsl(120, 100%, 40%);">+CHANGE_POWER(0)</span><br><span style="color: hsl(120, 100%, 40%);">+CHANGE_POWER(2000)</span><br><span style="color: hsl(120, 100%, 40%);">+CHANGE_POWER(4000)</span><br><span style="color: hsl(120, 100%, 40%);">+CHANGE_POWER(6000)</span><br><span style="color: hsl(120, 100%, 40%);">+CHANGE_POWER(8000)</span><br><span style="color: hsl(120, 100%, 40%);">+CHANGE_POWER(10000)</span><br><span style="color: hsl(120, 100%, 40%);">+power_ramp finished</span><br><span></span><br></pre><p>To view, visit <a href="https://gerrit.osmocom.org/c/osmo-bts/+/19702">change 19702</a>. 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<div style="display:none"> Gerrit-Project: osmo-bts </div>
<div style="display:none"> Gerrit-Branch: master </div>
<div style="display:none"> Gerrit-Change-Id: I5adc9008ac415eb23274755fc8270df8eebdc6fb </div>
<div style="display:none"> Gerrit-Change-Number: 19702 </div>
<div style="display:none"> Gerrit-PatchSet: 1 </div>
<div style="display:none"> Gerrit-Owner: pespin <pespin@sysmocom.de> </div>
<div style="display:none"> Gerrit-MessageType: newchange </div>