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ci(adc): add a test that adc read zero after getting done signal

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gaoxu 2023-11-14 14:46:29 +08:00 committed by Gao Xu
parent 1179d9859f
commit 95d24edd3e
1 changed files with 37 additions and 0 deletions
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37
components/esp_adc/test_apps/adc/main/test_adc.c
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@ -12,6 +12,7 @@
#include "driver/gpio.h"
#include "driver/rtc_io.h"
#include "test_common_adc.h"
#include "esp_rom_sys.h"
const __attribute__((unused)) static char *TAG = "TEST_ADC";
@ -117,7 +118,43 @@ TEST_CASE("ADC oneshot high/low test", "[adc_oneshot]")
#endif //#if ADC_TEST_ONESHOT_HIGH_LOW_TEST_ADC2
}
TEST_CASE("ADC oneshot stress test that get zero even if convent done", "[adc_oneshot]")
{
//There is a hardware limitation. After ADC get DONE signal, it still need a delay to synchronize ADC raw data or it may get zero even if getting DONE signal.
int test_num = 100;
adc_channel_t channel = ADC1_TEST_CHAN1;
adc_atten_t atten = ADC_ATTEN_DB_12;
adc_unit_t unit_id = ADC_UNIT_1;
adc_oneshot_unit_handle_t adc1_handle;
adc_oneshot_unit_init_cfg_t init_config1 = {
.unit_id = unit_id,
.ulp_mode = ADC_ULP_MODE_DISABLE,
};
adc_oneshot_chan_cfg_t config = {
.bitwidth = SOC_ADC_RTC_MAX_BITWIDTH,
.atten = atten,
};
int raw_data = 0;
srand(199);
for (int i = 0; i < test_num; i++) {
test_adc_set_io_level(unit_id, ADC1_TEST_CHAN1, 1);
TEST_ESP_OK(adc_oneshot_new_unit(&init_config1, &adc1_handle));
TEST_ESP_OK(adc_oneshot_config_channel(adc1_handle, channel, &config));
TEST_ESP_OK(adc_oneshot_read(adc1_handle, channel, &raw_data));
TEST_ASSERT_NOT_EQUAL(0, raw_data);
TEST_ESP_OK(adc_oneshot_del_unit(adc1_handle));
esp_rom_delay_us(rand() % 512);
}
}
#if SOC_ADC_CALIBRATION_V1_SUPPORTED
/*---------------------------------------------------------------