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tests: drivers: uart: async_api: Align test to gcov

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When CONFIG_COVERAGE is enabled then performance is degraded.
In that case higher baudrates shall be avoided because CPU may
not have enough time to handle UART interrupts. Limit baudrate
to 115200 when CONFIG_COVERAGE=y.

Signed-off-by: Krzysztof Chruściński <krzysztof.chruscinski@nordicsemi.no>
This commit is contained in:
Krzysztof Chruściński 2025-03-20 09:28:25 +01:00 committed by Benjamin Cabé
parent ff769d4c40
commit 8d13b6b65b
1 changed files with 16 additions and 9 deletions
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25
tests/drivers/uart/uart_async_api/src/test_uart_async.c
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@ -82,16 +82,23 @@ static void uart_async_test_init(int idx)
k_sem_reset(&rx_buf_released);
k_sem_reset(&rx_disabled);
#ifdef CONFIG_UART_WIDE_DATA
const struct uart_config uart_cfg = {
.baudrate = 115200,
.parity = UART_CFG_PARITY_NONE,
.stop_bits = UART_CFG_STOP_BITS_1,
.data_bits = UART_CFG_DATA_BITS_9,
.flow_ctrl = UART_CFG_FLOW_CTRL_NONE
struct uart_config uart_cfg;
zassert_equal(uart_config_get(uart_dev, &uart_cfg), 0);
if (IS_ENABLED(CONFIG_COVERAGE)) {
/* When coverage is used then performance is degraded - avoid using
* higher baudrates.
*/
uart_cfg.baudrate = MIN(uart_cfg.baudrate, 115200);
} else if (IS_ENABLED(CONFIG_UART_WIDE_DATA)) {
uart_cfg.baudrate = 115200;
uart_cfg.parity = UART_CFG_PARITY_NONE;
uart_cfg.stop_bits = UART_CFG_STOP_BITS_1;
uart_cfg.data_bits = UART_CFG_DATA_BITS_9;
uart_cfg.flow_ctrl = UART_CFG_FLOW_CTRL_NONE;
};
__ASSERT_NO_MSG(uart_configure(uart_dev, &uart_cfg) == 0);
#endif
zassert_equal(uart_configure(uart_dev, &uart_cfg), 0);
if (!initialized) {
initialized = true;