/* * SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD * * SPDX-License-Identifier: Apache-2.0 */ #include #include #include #include "esp_log.h" #include "soc/adc_periph.h" #include "esp_adc/adc_oneshot.h" #include "driver/gpio.h" #include "driver/rtc_io.h" #include "test_common_adc.h" const __attribute__((unused)) static char *TAG = "TEST_ADC"; /*--------------------------------------------------------------- ADC General Macros ---------------------------------------------------------------*/ //ADC Channels #if CONFIG_IDF_TARGET_ESP32 #define ADC1_TEST_CHAN0 ADC_CHANNEL_4 #define ADC1_TEST_CHAN1 ADC_CHANNEL_5 #define ADC2_TEST_CHAN0 ADC_CHANNEL_0 static const char *TAG_CH[2][10] = {{"ADC1_CH4", "ADC1_CH5"}, {"ADC2_CH0"}}; #else #define ADC1_TEST_CHAN0 ADC_CHANNEL_2 #define ADC1_TEST_CHAN1 ADC_CHANNEL_3 #define ADC2_TEST_CHAN0 ADC_CHANNEL_0 static const char *TAG_CH[2][10] = {{"ADC1_CH2", "ADC1_CH3"}, {"ADC2_CH0"}}; #endif /*--------------------------------------------------------------- ADC Oneshot High / Low test ---------------------------------------------------------------*/ TEST_CASE("ADC oneshot high/low test", "[adc_oneshot]") { static int adc_raw[2][10]; //-------------ADC1 Init---------------// adc_oneshot_unit_handle_t adc1_handle; adc_oneshot_unit_init_cfg_t init_config1 = { .unit_id = ADC_UNIT_1, .ulp_mode = ADC_ULP_MODE_DISABLE, }; TEST_ESP_OK(adc_oneshot_new_unit(&init_config1, &adc1_handle)); #if (SOC_ADC_PERIPH_NUM >= 2) //-------------ADC2 Init---------------// adc_oneshot_unit_handle_t adc2_handle; adc_oneshot_unit_init_cfg_t init_config2 = { .unit_id = ADC_UNIT_2, .ulp_mode = ADC_ULP_MODE_DISABLE, }; TEST_ESP_OK(adc_oneshot_new_unit(&init_config2, &adc2_handle)); #endif //#if (SOC_ADC_PERIPH_NUM >= 2) //-------------ADC1 TEST Channel 0 Config---------------// adc_oneshot_chan_cfg_t config = { .bitwidth = ADC_BITWIDTH_DEFAULT, .atten = ADC_ATTEN_DB_11, }; TEST_ESP_OK(adc_oneshot_config_channel(adc1_handle, ADC1_TEST_CHAN0, &config)); //-------------ADC1 TEST Channel 1 Config---------------// TEST_ESP_OK(adc_oneshot_config_channel(adc1_handle, ADC1_TEST_CHAN1, &config)); #if (SOC_ADC_PERIPH_NUM >= 2) //-------------ADC2 TEST Channel 0 Config---------------// TEST_ESP_OK(adc_oneshot_config_channel(adc2_handle, ADC2_TEST_CHAN0, &config)); #endif //#if (SOC_ADC_PERIPH_NUM >= 2) test_adc_set_io_level(ADC_UNIT_1, ADC1_TEST_CHAN0, 0); TEST_ESP_OK(adc_oneshot_read(adc1_handle, ADC1_TEST_CHAN0, &adc_raw[0][0])); ESP_LOGI(TAG_CH[0][0], "raw data: %d", adc_raw[0][0]); TEST_ASSERT_INT_WITHIN(ADC_TEST_LOW_THRESH, ADC_TEST_LOW_VAL, adc_raw[0][0]); test_adc_set_io_level(ADC_UNIT_1, ADC1_TEST_CHAN1, 1); TEST_ESP_OK(adc_oneshot_read(adc1_handle, ADC1_TEST_CHAN1, &adc_raw[0][1])); ESP_LOGI(TAG_CH[0][1], "raw data: %d", adc_raw[0][1]); TEST_ASSERT_INT_WITHIN(ADC_TEST_HIGH_THRESH, ADC_TEST_HIGH_VAL, adc_raw[0][1]); #if (SOC_ADC_PERIPH_NUM >= 2) test_adc_set_io_level(ADC_UNIT_2, ADC2_TEST_CHAN0, 0); TEST_ESP_OK(adc_oneshot_read(adc2_handle, ADC2_TEST_CHAN0, &adc_raw[1][0])); ESP_LOGI(TAG_CH[1][0], "raw data: %d", adc_raw[1][0]); TEST_ASSERT_INT_WITHIN(ADC_TEST_LOW_THRESH, ADC_TEST_LOW_VAL, adc_raw[1][0]); #endif //#if (SOC_ADC_PERIPH_NUM >= 2) test_adc_set_io_level(ADC_UNIT_1, ADC1_TEST_CHAN0, 1); TEST_ESP_OK(adc_oneshot_read(adc1_handle, ADC1_TEST_CHAN0, &adc_raw[0][0])); ESP_LOGI(TAG_CH[0][0], "raw data: %d", adc_raw[0][0]); TEST_ASSERT_INT_WITHIN(ADC_TEST_HIGH_THRESH, ADC_TEST_HIGH_VAL, adc_raw[0][0]); test_adc_set_io_level(ADC_UNIT_1, ADC1_TEST_CHAN1, 0); TEST_ESP_OK(adc_oneshot_read(adc1_handle, ADC1_TEST_CHAN1, &adc_raw[0][1])); ESP_LOGI(TAG_CH[0][1], "raw data: %d", adc_raw[0][1]); TEST_ASSERT_INT_WITHIN(ADC_TEST_LOW_THRESH, ADC_TEST_LOW_VAL, adc_raw[0][1]); #if (SOC_ADC_PERIPH_NUM >= 2) test_adc_set_io_level(ADC_UNIT_2, ADC2_TEST_CHAN0, 1); TEST_ESP_OK(adc_oneshot_read(adc2_handle, ADC2_TEST_CHAN0, &adc_raw[1][0])); ESP_LOGI(TAG_CH[1][0], "raw data: %d", adc_raw[1][0]); TEST_ASSERT_INT_WITHIN(ADC_TEST_HIGH_THRESH, ADC_TEST_HIGH_VAL, adc_raw[1][0]); #endif //#if (SOC_ADC_PERIPH_NUM >= 2) TEST_ESP_OK(adc_oneshot_del_unit(adc1_handle)); #if (SOC_ADC_PERIPH_NUM >= 2) TEST_ESP_OK(adc_oneshot_del_unit(adc2_handle)); #endif //#if (SOC_ADC_PERIPH_NUM >= 2) } #if SOC_ADC_CALIBRATION_V1_SUPPORTED /*--------------------------------------------------------------- ADC Oneshot with Light Sleep ---------------------------------------------------------------*/ #include #include "esp_sleep.h" #include "esp_private/regi2c_ctrl.h" #include "soc/regi2c_saradc.h" #define TEST_REGI2C_ANA_CALI_BYTE_NUM 8 static void s_adc_oneshot_with_sleep(adc_unit_t unit_id, adc_channel_t channel) { adc_atten_t atten[SOC_ADC_ATTEN_NUM] = {ADC_ATTEN_DB_0, ADC_ATTEN_DB_2_5, ADC_ATTEN_DB_6, ADC_ATTEN_DB_11}; //-------------ADC Init---------------// adc_oneshot_unit_handle_t adc_handle; adc_oneshot_unit_init_cfg_t init_config = { .unit_id = unit_id, .ulp_mode = ADC_ULP_MODE_DISABLE, }; TEST_ESP_OK(adc_oneshot_new_unit(&init_config, &adc_handle)); //-------------ADC Channel Config---------------// adc_oneshot_chan_cfg_t config = { .bitwidth = SOC_ADC_RTC_MAX_BITWIDTH, }; //-------------ADC Calibration Init---------------// bool do_calibration = false; adc_cali_handle_t cali_handle[SOC_ADC_ATTEN_NUM] = {}; for (int i = 0; i < SOC_ADC_ATTEN_NUM; i++) { do_calibration = test_adc_calibration_init(unit_id, i, SOC_ADC_RTC_MAX_BITWIDTH, &cali_handle[i]); } if (!do_calibration) { ESP_LOGW(TAG, "No efuse bits burnt, only test the regi2c analog register values"); } for (int i = 0; i < SOC_ADC_ATTEN_NUM; i++) { //-------------ADC Channel Config---------------// config.atten = atten[i]; TEST_ESP_OK(adc_oneshot_config_channel(adc_handle, channel, &config)); printf("Test with atten: %d\n", atten[i]); //---------------------------------Before Sleep-----------------------------------// printf("Before Light Sleep\n"); int raw_expected = 0; int cali_expected = 0; uint8_t regi2c_cali_val_before[TEST_REGI2C_ANA_CALI_BYTE_NUM] = {}; //Read TEST_ESP_OK(adc_oneshot_read(adc_handle, channel, &raw_expected)); if (do_calibration) { TEST_ESP_OK(adc_cali_raw_to_voltage(cali_handle[i], raw_expected, &cali_expected)); } //Print regi2c printf("regi2c cali val is: "); for (int j = 0; j < TEST_REGI2C_ANA_CALI_BYTE_NUM; j++) { regi2c_cali_val_before[j] = regi2c_ctrl_read_reg(I2C_SAR_ADC, I2C_SAR_ADC_HOSTID, j); printf("0x%x ", regi2c_cali_val_before[j]); } printf("\n"); //Print result ESP_LOGI(TAG, "ADC%d Chan%d: raw data: %d", unit_id + 1, channel, raw_expected); ESP_LOGI(TAG, "ADC%d Chan%d: cali data: %d", unit_id + 1, channel, cali_expected); //---------------------------------Sleep-----------------------------------// esp_sleep_enable_timer_wakeup(30 * 1000); esp_light_sleep_start(); //---------------------------------After Sleep-----------------------------------// printf("After Light Sleep\n"); int raw_after_sleep = 0; int cali_after_sleep = 0; uint8_t regi2c_cali_val_after[TEST_REGI2C_ANA_CALI_BYTE_NUM] = {}; //Print regi2c printf("regi2c cali val is: "); for (int i = 0; i < TEST_REGI2C_ANA_CALI_BYTE_NUM; i++) { regi2c_cali_val_after[i] = regi2c_ctrl_read_reg(I2C_SAR_ADC, I2C_SAR_ADC_HOSTID, i); printf("0x%x ", regi2c_cali_val_after[i]); } printf("\n"); //Read TEST_ESP_OK(adc_oneshot_read(adc_handle, channel, &raw_after_sleep)); if (do_calibration) { TEST_ESP_OK(adc_cali_raw_to_voltage(cali_handle[i], raw_after_sleep, &cali_after_sleep)); } //Print result ESP_LOGI(TAG, "ADC%d Chan%d: raw data: %d", unit_id + 1, channel, raw_after_sleep); if (do_calibration) { ESP_LOGI(TAG, "ADC%d Chan%d: cali data: %d", unit_id + 1, channel, cali_after_sleep); } //Compare int32_t raw_diff = raw_expected - raw_after_sleep; ESP_LOGI(TAG, "ADC%d Chan%d: raw difference: %d", unit_id + 1, channel, raw_diff); if (do_calibration) { int32_t cali_diff = cali_expected - cali_after_sleep; ESP_LOGI(TAG, "ADC%d Chan%d: cali difference: %d", unit_id + 1, channel, cali_diff); } //Test Calibration registers for (int i = 0; i < TEST_REGI2C_ANA_CALI_BYTE_NUM; i++) { TEST_ASSERT_EQUAL(regi2c_cali_val_before[i], regi2c_cali_val_after[i]); } ESP_LOGI(TAG, "Cali register settings unchanged\n"); } TEST_ESP_OK(adc_oneshot_del_unit(adc_handle)); for (int i = 0; i < SOC_ADC_ATTEN_NUM; i++) { if (cali_handle[i]) { test_adc_calibration_deinit(cali_handle[i]); } } } //ADC Channels #if CONFIG_IDF_TARGET_ESP32 #define ADC1_SLEEP_TEST_CHAN ADC_CHANNEL_6 #define ADC2_SLEEP_TEST_CHAN ADC_CHANNEL_0 #else #define ADC1_SLEEP_TEST_CHAN ADC_CHANNEL_2 #define ADC2_SLEEP_TEST_CHAN ADC_CHANNEL_0 #endif TEST_CASE("test ADC1 Single Read with Light Sleep", "[adc][manul][ignore]") { s_adc_oneshot_with_sleep(ADC_UNIT_1, ADC1_SLEEP_TEST_CHAN); } TEST_CASE("test ADC2 Single Read with Light Sleep", "[adc][manul][ignore]") { s_adc_oneshot_with_sleep(ADC_UNIT_2, ADC2_SLEEP_TEST_CHAN); } #endif //#if SOC_ADC_CALIBRATION_V1_SUPPORTED