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tests: drivers: uart: uart_elementary: Fix 'config_mismatch' test case

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UART error may be reported with random timing
from either UART in configuration mismatch case.
The test case is now aligned to such behaviour.

Signed-off-by: Bartosz Miller <bartosz.miller@nordicsemi.no>
This commit is contained in:
Bartosz Miller 2024-04-18 10:57:05 +02:00 • committed by Carles Cufí
commit 3147243c8f
2 changed files with 16 additions and 7 deletions
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15
tests/drivers/uart/uart_elementary/src/main.c
View file

@ -40,6 +40,7 @@ static volatile uint8_t uart_error_counter;
static const struct device *const uart_dev_aux = DEVICE_DT_GET(UART_NODE_AUX);
static uint8_t test_buffer_aux[TEST_BUFFER_LEN];
static volatile uint8_t aux_uart_error;
static volatile uint8_t aux_uart_error_counter;
#endif
/*
@ -110,12 +111,9 @@ static void interrupt_driven_uart_callback_aux_uart(const struct device *dev, vo
uart_irq_update(dev);
err = uart_err_check(dev);
#if !defined(CONFIG_COVERAGE)
/* This assetion will fail with coverge enabled
* When in coverage mode it has no impact on test case execution
*/
zassert_equal(err, 0, "Unexpected UART device: %s error: %d", dev->name, err);
#endif /* CONFIG_COVERAGE */
if (err != 0) {
aux_uart_error_counter++;
}
while (uart_irq_is_pending(dev)) {
if (uart_irq_rx_ready(dev)) {
uart_rx_interrupt_service(dev, (uint8_t *)user_data, &rx_byte_offset_aux);
@ -290,7 +288,10 @@ ZTEST(uart_elementary, test_uart_dual_port_transmission)
uart_irq_err_disable(uart_dev_aux);
#if defined(CONFIG_SETUP_MISMATCH_TEST)
zassert_not_equal(uart_error_counter, 0);
TC_PRINT("Mismatched configuration test\n");
zassert_not_equal(uart_error_counter + aux_uart_error_counter, 0,
"UART configuration mismatch error not detected");
#else
for (int index = 0; index < TEST_BUFFER_LEN; index++) {
zassert_equal(test_buffer[index], test_pattern[index],

8
tests/drivers/uart/uart_elementary/testcase.yaml
View file

@ -33,3 +33,11 @@ tests:
extra_args: DTC_OVERLAY_FILE="boards/nrf54l15pdk_nrf54l15_cpuapp_dual_uart.overlay"
extra_configs:
- CONFIG_DUAL_UART_TEST=y
drivers.uart.uart_elementary_dual_setup_mismatch_nrf54l:
filter: CONFIG_SERIAL_SUPPORT_INTERRUPT
platform_allow:
- nrf54l15pdk/nrf54l15/cpuapp
extra_args: DTC_OVERLAY_FILE="boards/nrf54l15pdk_nrf54l15_cpuapp_dual_uart.overlay"
extra_configs:
- CONFIG_DUAL_UART_TEST=y
- CONFIG_SETUP_MISMATCH_TEST=y