kopia lustrzana https://github.com/espressif/esp-idf
adc: add a ut for calibration speed
Armando
Armando (Dou Yiwen)
rodzic
c45c6f52f1
commit
9aae92fd16
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@ -4,15 +4,20 @@
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include "sdkconfig.h"
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#include <sys/param.h>
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#include <string.h>
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#include "esp_log.h"
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#include "test_utils.h"
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#include "esp_adc_cal.h"
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#include "driver/adc_common.h"
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static const char *TAG = "ADC";
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#if !TEMPORARY_DISABLED_FOR_TARGETS(ESP32, ESP32S2, ESP32S3)
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//API only supported for C3 now.
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#include "driver/adc.h"
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#include "esp_adc_cal.h"
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#include "esp_log.h"
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#define TEST_COUNT 4096
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@ -274,4 +279,120 @@ TEST_CASE("test_adc_single", "[adc][ignore][manual]")
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}
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}
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#endif //#if !TEMPORARY_DISABLED_FOR_TARGETS(ESP32, ESP32S2, ESP32S3)
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/********************************************************************************
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* ADC Speed Related Tests
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********************************************************************************/
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#ifdef CONFIG_IDF_TARGET_ESP32
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#define CPU_FREQ_MHZ CONFIG_ESP32_DEFAULT_CPU_FREQ_MHZ
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#elif CONFIG_IDF_TARGET_ESP32S2
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#define CPU_FREQ_MHZ CONFIG_ESP32S2_DEFAULT_CPU_FREQ_MHZ
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#elif CONFIG_IDF_TARGET_ESP32S3
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#define CPU_FREQ_MHZ CONFIG_ESP32S3_DEFAULT_CPU_FREQ_MHZ
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#elif CONFIG_IDF_TARGET_ESP32C3
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#define CPU_FREQ_MHZ CONFIG_ESP32C3_DEFAULT_CPU_FREQ_MHZ
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#endif
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#define RECORD_TIME_PREPARE() uint32_t __t1, __t2
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#define RECORD_TIME_START() do {__t1 = esp_cpu_get_ccount();}while(0)
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#define RECORD_TIME_END(p_time) do{__t2 = esp_cpu_get_ccount(); *p_time = (__t2-__t1);}while(0)
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#define GET_US_BY_CCOUNT(t) ((double)t/CPU_FREQ_MHZ)
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//ADC Channels
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#if CONFIG_IDF_TARGET_ESP32
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#define ADC1_CALI_TEST_CHAN0 ADC1_CHANNEL_6
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#define ADC2_CALI_TEST_CHAN0 ADC2_CHANNEL_0
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#else
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#define ADC1_CALI_TEST_CHAN0 ADC1_CHANNEL_2
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#define ADC2_CALI_TEST_CHAN0 ADC2_CHANNEL_0
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#endif
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//ADC Calibration
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#if CONFIG_IDF_TARGET_ESP32
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#define ADC_TEST_CALI_SCHEME ESP_ADC_CAL_VAL_EFUSE_VREF
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#elif CONFIG_IDF_TARGET_ESP32S2
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#define ADC_TEST_CALI_SCHEME ESP_ADC_CAL_VAL_EFUSE_TP
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#elif CONFIG_IDF_TARGET_ESP32C3
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#define ADC_TEST_CALI_SCHEME ESP_ADC_CAL_VAL_EFUSE_TP
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#elif CONFIG_IDF_TARGET_ESP32S3
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#define ADC_TEST_CALI_SCHEME ESP_ADC_CAL_VAL_EFUSE_TP_FIT
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#endif
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#define TIMES_PER_ATTEN 10
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static esp_adc_cal_characteristics_t adc1_chars;
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static esp_adc_cal_characteristics_t adc2_chars;
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static void adc_single_cali_init(adc_unit_t adc_n, adc_channel_t chan, uint32_t atten)
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{
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esp_err_t ret;
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esp_adc_cal_value_t ret_val = ESP_ADC_CAL_VAL_NOT_SUPPORTED;
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ret = esp_adc_cal_check_efuse(ADC_TEST_CALI_SCHEME);
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if (ret == ESP_ERR_NOT_SUPPORTED) {
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ESP_LOGE(TAG, "Cali scheme not supported!");
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TEST_ASSERT(ret != ESP_ERR_NOT_SUPPORTED);
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} else if (ret != ESP_OK) {
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ESP_LOGW(TAG, "No cali eFuse, but will run the test");
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}
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if (adc_n == ADC_UNIT_1) {
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ret_val = esp_adc_cal_characterize(adc_n, atten, ADC_WIDTH_BIT_DEFAULT, 0, &adc1_chars);
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TEST_ESP_OK(adc1_config_width(ADC_WIDTH_BIT_DEFAULT));
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TEST_ESP_OK(adc1_config_channel_atten((adc1_channel_t)chan, atten));
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} else if (adc_n == ADC_UNIT_2) {
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TEST_ESP_OK(adc2_config_channel_atten((adc2_channel_t)chan, atten));
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ret_val = esp_adc_cal_characterize(adc_n, atten, ADC_WIDTH_BIT_DEFAULT, 0, &adc2_chars);
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}
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if (ret_val == ESP_ADC_CAL_VAL_NOT_SUPPORTED) {
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ESP_LOGW(TAG, "No cali eFuse, or invalid arg, but will run the test");
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}
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ESP_LOGI(TAG, "ADC%d, channel%d, atten%d", adc_n, chan, atten);
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}
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static IRAM_ATTR NOINLINE_ATTR uint32_t get_cali_time_in_ccount(uint32_t adc_raw, esp_adc_cal_characteristics_t *chars)
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{
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uint32_t time;
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RECORD_TIME_PREPARE();
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RECORD_TIME_START();
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esp_adc_cal_raw_to_voltage(adc_raw, chars);
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RECORD_TIME_END(&time);
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return time;
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}
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TEST_CASE("test_adc_single_cali_time", "[adc][ignore][manual]")
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{
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ESP_LOGI(TAG, "CPU FREQ is %dMHz", CPU_FREQ_MHZ);
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uint32_t adc1_time_record[4][TIMES_PER_ATTEN] = {};
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uint32_t adc2_time_record[4][TIMES_PER_ATTEN] = {};
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int adc1_raw = 0;
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int adc2_raw = 0;
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//atten0 ~ atten3
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for (int i = 0; i < 4; i++) {
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ESP_LOGI(TAG, "----------------atten%d----------------", i);
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adc_single_cali_init(ADC_UNIT_1, ADC1_CALI_TEST_CHAN0, i);
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adc_single_cali_init(ADC_UNIT_2, ADC2_CALI_TEST_CHAN0, i);
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for (int j = 0; j < TIMES_PER_ATTEN; j++) {
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adc1_raw = adc1_get_raw(ADC1_CALI_TEST_CHAN0);
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TEST_ESP_OK(adc2_get_raw(ADC2_CALI_TEST_CHAN0, ADC_WIDTH_BIT_DEFAULT, &adc2_raw));
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adc1_time_record[i][j] = get_cali_time_in_ccount(adc1_raw, &adc1_chars);
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adc2_time_record[i][j] = get_cali_time_in_ccount(adc2_raw, &adc2_chars);
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IDF_LOG_PERFORMANCE("ADC1 Cali time", "%d us", (int)GET_US_BY_CCOUNT(adc1_time_record[i][j]));
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IDF_LOG_PERFORMANCE("ADC2 Cali time", "%d us", (int)GET_US_BY_CCOUNT(adc2_time_record[i][j]));
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}
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}
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}
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