Crash_Override/OVMS3-idf
1
0
Fork 0
Code Issues Pull requests Projects Releases Wiki Activity

driver test: Ensure uart write task can't overflow buffer of read task

Browse source 
Previously both tasks had equal priority, possible for write task and another
internal task to be scheduled at the same time - starving read task and
causing data loss.

Related to IDFCI-59
This commit is contained in:
Angus Gratton 2020-07-08 16:48:18 +10:00 committed by Angus Gratton
parent f5a7c9635f
commit 5cf858bee3
1 changed files with 1 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
components/driver/test/test_uart.c
View file

@ -255,7 +255,7 @@ TEST_CASE("uart read write test", "[uart]")
vTaskDelay(1 / portTICK_PERIOD_MS); // make sure last byte has flushed from TX FIFO
TEST_ESP_OK(uart_flush_input(uart_num));
xTaskCreate(uart_write_task, "uart_write_task", 2048 * 4, (void *)uart_num, 5, NULL);
xTaskCreate(uart_write_task, "uart_write_task", 2048 * 4, (void *)uart_num, UNITY_FREERTOS_PRIORITY - 1, NULL);
int len_tmp = 0;
int rd_len = 1024;
for (int i = 0; i < 1024; i++) {