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fix(wdt): changed ESP32-C3 WDT to use XTAL as clock

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This clock is unchanged even when CPU/APB frequency changes (e.g. due to esp_pm),
which means timeout period is correct even after such a change.
This commit is contained in:
Marius Vikhammer
2023-09-08 12:23:18 +08:00
parent b1e85404f1
commit ca99f55316
13 changed files with 74 additions and 3 deletions
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components/esp_system/test_apps/esp_system_unity_tests/main/test_task_wdt.c
+37 -1
View File
@@ -13,10 +13,11 @@
#include "esp_rom_sys.h"
#include "esp_task_wdt.h"
#include "test_utils.h"
#include "soc/rtc.h"
#define TASK_WDT_TIMEOUT_MS 1000
static bool timeout_flag;
static volatile bool timeout_flag;
void esp_task_wdt_isr_user_handler(void)
{
@@ -40,6 +41,41 @@ TEST_CASE("Task WDT task timeout", "[task_wdt]")
TEST_ASSERT_EQUAL(ESP_OK, esp_task_wdt_deinit());
}
#if SOC_MWDT_SUPPORT_XTAL
#if CONFIG_IDF_TARGET_ESP32H2
#define TEST_CPU_FREQUENCY_MHZ 48
#else
#define TEST_CPU_FREQUENCY_MHZ 40
#endif
TEST_CASE("Task WDT task timeout - CPU Frequency changed", "[task_wdt]")
{
rtc_cpu_freq_config_t old_config, new_config;
rtc_clk_cpu_freq_get_config(&old_config);
TEST_ASSERT(rtc_clk_cpu_freq_mhz_to_config(TEST_CPU_FREQUENCY_MHZ, &new_config));
rtc_clk_cpu_freq_set_config(&new_config);
timeout_flag = false;
esp_task_wdt_config_t twdt_config = {
.timeout_ms = TASK_WDT_TIMEOUT_MS,
.idle_core_mask = 0,
.trigger_panic = false,
};
TEST_ASSERT_EQUAL(ESP_OK, esp_task_wdt_init(&twdt_config));
TEST_ASSERT_EQUAL(ESP_OK, esp_task_wdt_add(NULL));
/* Short delay to allow timeout to occur, if WDT depends on any of the clocks changed
then the timeout should be slower and test will fail */
esp_rom_delay_us(TASK_WDT_TIMEOUT_MS * 1000);
TEST_ASSERT_EQUAL(true, timeout_flag);
TEST_ASSERT_EQUAL(ESP_OK, esp_task_wdt_delete(NULL));
TEST_ASSERT_EQUAL(ESP_OK, esp_task_wdt_deinit());
rtc_clk_cpu_freq_set_config(&old_config);
}
#endif //SOC_MWDT_SUPPORT_XTAL
TEST_CASE("Task WDT inactive when no task to watch", "[task_wdt]")
{
/* Make sure a timeout is NOT trigger when we have no task to watch */