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tests-mbed_timing_fpga_ci_test_shield-watchdog update with clock accuracy information 

Test is checking the exact time for watchdog,
which is based on a non accurate clock...

Correction is then taken into account clock information from API.
pull/13174/head
jeromecoutant 2020-06-23 12:28:35 +02:00
parent b4389c7805
commit 4d7db01d01
1 changed files with 6 additions and 4 deletions
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10
TESTS/mbed_timing_fpga_ci_test_shield/watchdog/main.cpp
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@ -136,6 +136,8 @@ void fpga_test_watchdog_timeout_accuracy()
return; return;
} }
uint32_t timeout_ms_clock_accuracy = (timeout_ms * features.clock_typical_frequency / features.clock_max_frequency);
PinName watchdog_pulse_pin = get_pin_to_restrict(DefaultFormFactor::pins(), DefaultFormFactor::restricted_pins()); PinName watchdog_pulse_pin = get_pin_to_restrict(DefaultFormFactor::pins(), DefaultFormFactor::restricted_pins());
TEST_ASSERT(watchdog_pulse_pin != NC); TEST_ASSERT(watchdog_pulse_pin != NC);
PinList *blacklist = alloc_extended_pinlist(DefaultFormFactor::restricted_pins(), watchdog_pulse_pin); PinList *blacklist = alloc_extended_pinlist(DefaultFormFactor::restricted_pins(), watchdog_pulse_pin);
@ -155,9 +157,9 @@ void fpga_test_watchdog_timeout_accuracy()
if (num_falling_edges > 0) { if (num_falling_edges > 0) {
actual_timeout_ms = (num_falling_edges - 1) * WATCHDOG_PULSE_PERIOD_US / 1000; actual_timeout_ms = (num_falling_edges - 1) * WATCHDOG_PULSE_PERIOD_US / 1000;
} }
utest_printf("The FPGA shield measured %lu ms timeout.", actual_timeout_ms); utest_printf("The FPGA shield measured %lu ms timeout (%lu)\n", actual_timeout_ms, timeout_ms_clock_accuracy);
TEST_ASSERT(actual_timeout_ms >= timeout_ms); TEST_ASSERT(actual_timeout_ms >= timeout_ms_clock_accuracy);
TEST_ASSERT(actual_timeout_ms < 2 * timeout_ms); TEST_ASSERT(actual_timeout_ms < 2 * timeout_ms_clock_accuracy);
free_pinlist(blacklist); free_pinlist(blacklist);
return; return;
} }
@ -170,7 +172,7 @@ void fpga_test_watchdog_timeout_accuracy()
gpio_init_out_ex(&pulse_pin, watchdog_pulse_pin, pulse_pin_value); gpio_init_out_ex(&pulse_pin, watchdog_pulse_pin, pulse_pin_value);
// Init the watchdog and wait for a device reset. // Init the watchdog and wait for a device reset.
watchdog_config_t config = { timeout_ms }; watchdog_config_t config = { timeout_ms };
if (send_reset_notification(&current_case, 2 * timeout_ms) == false) { if (send_reset_notification(&current_case, 2 * timeout_ms_clock_accuracy) == false) {
TEST_ASSERT_MESSAGE(0, "Dev-host communication error."); TEST_ASSERT_MESSAGE(0, "Dev-host communication error.");
free_pinlist(blacklist); free_pinlist(blacklist);
return; return;