Skip to content

tests-mbed_timing_fpga_ci_test_shield-watchdog update with clock accuracy #13174

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
Jul 1, 2020
Merged

tests-mbed_timing_fpga_ci_test_shield-watchdog update with clock accuracy #13174

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
10 changes: 6 additions & 4 deletions TESTS/mbed_timing_fpga_ci_test_shield/watchdog/main.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -136,6 +136,8 @@ void fpga_test_watchdog_timeout_accuracy()
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());
TEST_ASSERT(watchdog_pulse_pin != NC);
PinList *blacklist = alloc_extended_pinlist(DefaultFormFactor::restricted_pins(), watchdog_pulse_pin);
Expand All @@ -155,9 +157,9 @@ void fpga_test_watchdog_timeout_accuracy()
if (num_falling_edges > 0) {
actual_timeout_ms = (num_falling_edges - 1) * WATCHDOG_PULSE_PERIOD_US / 1000;
}
utest_printf("The FPGA shield measured %lu ms timeout.", actual_timeout_ms);
TEST_ASSERT(actual_timeout_ms >= timeout_ms);
TEST_ASSERT(actual_timeout_ms < 2 * 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_clock_accuracy);
TEST_ASSERT(actual_timeout_ms < 2 * timeout_ms_clock_accuracy);
free_pinlist(blacklist);
return;
}
Expand All @@ -170,7 +172,7 @@ void fpga_test_watchdog_timeout_accuracy()
gpio_init_out_ex(&pulse_pin, watchdog_pulse_pin, pulse_pin_value);
// Init the watchdog and wait for a device reset.
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.");
free_pinlist(blacklist);
return;
Expand Down