385 lines
13 KiB
C
385 lines
13 KiB
C
/*
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Tests for the adc device driver
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*/
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#include "esp_system.h"
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#include "driver/adc.h"
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#include "driver/dac.h"
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#include "driver/rtc_io.h"
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#include "driver/gpio.h"
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#include "unity.h"
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#include "esp_system.h"
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#include "esp_event.h"
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#include "esp_wifi.h"
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#include "esp_log.h"
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#include "nvs_flash.h"
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#include "test_utils.h"
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#include "soc/adc_periph.h"
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static const char *TAG = "test_adc";
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#ifdef CONFIG_IDF_TARGET_ESP32
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#define ADC1_TEST_WIDTH ADC_WIDTH_BIT_12
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#define ADC2_TEST_WIDTH ADC_WIDTH_BIT_12
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#elif defined CONFIG_IDF_TARGET_ESP32S2
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#define ADC1_TEST_WIDTH ADC_WIDTH_BIT_13 //ESP32S2 only support 13 bit width
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#define ADC2_TEST_WIDTH ADC_WIDTH_BIT_13 //ESP32S2 only support 13 bit width
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#endif
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#define ADC1_TEST_ATTEN ADC_ATTEN_DB_11
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#define ADC2_TEST_ATTEN ADC_ATTEN_DB_11
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#if CONFIG_IDF_TARGET_ESP32
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#define ADC1_TEST_CHANNEL_NUM 8
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#elif CONFIG_IDF_TARGET_ESP32S2
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#define ADC1_TEST_CHANNEL_NUM 10
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#endif
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#define ADC2_TEST_CHANNEL_NUM 6
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static const int adc1_ch[ADC1_TEST_CHANNEL_NUM] = {
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ADC1_CHANNEL_0,
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ADC1_CHANNEL_1,
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ADC1_CHANNEL_2,
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ADC1_CHANNEL_3,
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ADC1_CHANNEL_4,
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ADC1_CHANNEL_5,
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ADC1_CHANNEL_6,
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ADC1_CHANNEL_7,
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#if CONFIG_IDF_TARGET_ESP32S2
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ADC1_CHANNEL_8,
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ADC1_CHANNEL_9,
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#endif
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};
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static const int adc2_ch[ADC2_TEST_CHANNEL_NUM] = {
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ADC2_CHANNEL_0,
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ADC2_CHANNEL_1,
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ADC2_CHANNEL_2,
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ADC2_CHANNEL_3,
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ADC2_CHANNEL_4,
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ADC2_CHANNEL_5,
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};
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#define ADC_GET_IO_NUM(periph, channel) (adc_channel_io_map[periph][channel])
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void adc_fake_tie_middle(adc_unit_t adc_unit, adc_channel_t channel)
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{
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gpio_num_t gpio_num = 0;
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if (adc_unit & ADC_UNIT_1) {
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gpio_num = ADC_GET_IO_NUM(0, channel);
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TEST_ESP_OK(rtc_gpio_init(gpio_num));
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TEST_ESP_OK(rtc_gpio_pullup_en(gpio_num));
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TEST_ESP_OK(rtc_gpio_pulldown_en(gpio_num));
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TEST_ESP_OK(gpio_set_pull_mode(gpio_num, GPIO_PULLUP_PULLDOWN));
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TEST_ESP_OK(rtc_gpio_set_direction(gpio_num, RTC_GPIO_MODE_DISABLED));
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}
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if (adc_unit & ADC_UNIT_2) {
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gpio_num = ADC_GET_IO_NUM(1, channel);
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TEST_ESP_OK(rtc_gpio_init(gpio_num));
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TEST_ESP_OK(rtc_gpio_pullup_en(gpio_num));
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TEST_ESP_OK(rtc_gpio_pulldown_en(gpio_num));
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TEST_ESP_OK(gpio_set_pull_mode(gpio_num, GPIO_PULLUP_PULLDOWN));
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TEST_ESP_OK(rtc_gpio_set_direction(gpio_num, RTC_GPIO_MODE_DISABLED));
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}
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vTaskDelay(10 / portTICK_RATE_MS);
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}
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void adc_fake_tie_high(adc_unit_t adc_unit, adc_channel_t channel)
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{
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gpio_num_t gpio_num = 0;
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if (adc_unit & ADC_UNIT_1) {
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gpio_num = ADC_GET_IO_NUM(0, channel);
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TEST_ESP_OK(rtc_gpio_init(gpio_num));
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TEST_ESP_OK(rtc_gpio_pullup_en(gpio_num));
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TEST_ESP_OK(rtc_gpio_pulldown_dis(gpio_num));
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TEST_ESP_OK(gpio_set_pull_mode(gpio_num, GPIO_PULLUP_ONLY));
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TEST_ESP_OK(rtc_gpio_set_direction(gpio_num, RTC_GPIO_MODE_OUTPUT_ONLY));
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TEST_ESP_OK(rtc_gpio_set_level(gpio_num, 1));
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}
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if (adc_unit & ADC_UNIT_2) {
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gpio_num = ADC_GET_IO_NUM(1, channel);
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TEST_ESP_OK(rtc_gpio_init(gpio_num));
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TEST_ESP_OK(rtc_gpio_pullup_en(gpio_num));
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TEST_ESP_OK(rtc_gpio_pulldown_dis(gpio_num));
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TEST_ESP_OK(gpio_set_pull_mode(gpio_num, GPIO_PULLUP_ONLY));
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TEST_ESP_OK(rtc_gpio_set_direction(gpio_num, RTC_GPIO_MODE_OUTPUT_ONLY));
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TEST_ESP_OK(rtc_gpio_set_level(gpio_num, 1));
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}
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vTaskDelay(10 / portTICK_RATE_MS);
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}
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void adc_fake_tie_low(adc_unit_t adc_unit, adc_channel_t channel)
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{
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gpio_num_t gpio_num = 0;
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if (adc_unit & ADC_UNIT_1) {
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gpio_num = ADC_GET_IO_NUM(0, channel);
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TEST_ESP_OK(rtc_gpio_init(gpio_num));
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TEST_ESP_OK(rtc_gpio_pullup_dis(gpio_num));
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TEST_ESP_OK(rtc_gpio_pulldown_en(gpio_num));
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TEST_ESP_OK(gpio_set_pull_mode(gpio_num, GPIO_PULLDOWN_ONLY));
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TEST_ESP_OK(rtc_gpio_set_direction(gpio_num, RTC_GPIO_MODE_OUTPUT_ONLY));
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TEST_ESP_OK(rtc_gpio_set_level(gpio_num, 0));
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}
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if (adc_unit & ADC_UNIT_2) {
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gpio_num = ADC_GET_IO_NUM(1, channel);
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TEST_ESP_OK(rtc_gpio_init(gpio_num));
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TEST_ESP_OK(rtc_gpio_pullup_dis(gpio_num));
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TEST_ESP_OK(rtc_gpio_pulldown_en(gpio_num));
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TEST_ESP_OK(gpio_set_pull_mode(gpio_num, GPIO_PULLDOWN_ONLY));
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TEST_ESP_OK(rtc_gpio_set_direction(gpio_num, RTC_GPIO_MODE_OUTPUT_ONLY));
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TEST_ESP_OK(rtc_gpio_set_level(gpio_num, 0));
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}
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vTaskDelay(10 / portTICK_RATE_MS);
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}
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void adc_io_normal(adc_unit_t adc_unit, adc_channel_t channel)
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{
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gpio_num_t gpio_num = 0;
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if (adc_unit & ADC_UNIT_1) {
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gpio_num = ADC_GET_IO_NUM(0, channel);
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TEST_ESP_OK(rtc_gpio_init(gpio_num));
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TEST_ESP_OK(rtc_gpio_pullup_dis(gpio_num));
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TEST_ESP_OK(rtc_gpio_pulldown_dis(gpio_num));
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TEST_ESP_OK(gpio_set_pull_mode(gpio_num, GPIO_FLOATING));
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TEST_ESP_OK(rtc_gpio_set_direction(gpio_num, RTC_GPIO_MODE_DISABLED));
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}
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if (adc_unit & ADC_UNIT_2) {
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gpio_num = ADC_GET_IO_NUM(1, channel);
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TEST_ESP_OK(rtc_gpio_init(gpio_num));
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TEST_ESP_OK(rtc_gpio_pullup_dis(gpio_num));
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TEST_ESP_OK(rtc_gpio_pulldown_dis(gpio_num));
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TEST_ESP_OK(gpio_set_pull_mode(gpio_num, GPIO_FLOATING));
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TEST_ESP_OK(rtc_gpio_set_direction(gpio_num, RTC_GPIO_MODE_DISABLED));
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}
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vTaskDelay(10 / portTICK_RATE_MS);
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}
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TEST_CASE("ADC1 rtc read", "[adc1]")
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{
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int adc1_val[ADC1_TEST_CHANNEL_NUM] = {0};
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/* adc1 Configure */
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adc1_config_width(ADC1_TEST_WIDTH);
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ESP_LOGI(TAG, "ADC1 [CH - GPIO]:");
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for (int i = 0; i < ADC1_TEST_CHANNEL_NUM; i++) {
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TEST_ESP_OK( adc1_config_channel_atten(adc1_ch[i], ADC1_TEST_ATTEN) );
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ESP_LOGI(TAG, "[CH%d - IO%d]:", adc1_ch[i], ADC_GET_IO_NUM(0, adc1_ch[i]));
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}
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printf("ADC tie normal read: ");
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vTaskDelay(10 / portTICK_RATE_MS);
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/* adc Read */
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printf("ADC1: ");
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for (int i = 0; i < ADC1_TEST_CHANNEL_NUM; i++) {
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adc1_val[i] = adc1_get_raw((adc1_channel_t)adc1_ch[i]);
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printf("CH%d-%d ", adc1_ch[i], adc1_val[i]);
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}
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printf("\n");
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/* tie high */
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for (int i = 0; i < ADC1_TEST_CHANNEL_NUM; i++) {
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adc_fake_tie_high(ADC_UNIT_1, adc1_ch[i]);
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}
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printf("ADC tie high read: ");
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vTaskDelay(50 / portTICK_RATE_MS);
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/* adc Read */
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printf("ADC1: ");
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for (int i = 0; i < ADC1_TEST_CHANNEL_NUM; i++) {
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adc1_val[i] = adc1_get_raw((adc1_channel_t)adc1_ch[i]);
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printf("CH%d-%d ", adc1_ch[i], adc1_val[i]);
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#ifdef CONFIG_IDF_TARGET_ESP32S2
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TEST_ASSERT_EQUAL( adc1_val[i], 0x1fff );
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#endif
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}
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printf("\n");
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/* tie low */
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for (int i = 0; i < ADC1_TEST_CHANNEL_NUM; i++) {
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adc_fake_tie_low(ADC_UNIT_1, adc1_ch[i]);
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}
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printf("ADC tie low read: ");
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vTaskDelay(50 / portTICK_RATE_MS);
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/* adc Read */
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printf("ADC1: ");
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for (int i = 0; i < ADC1_TEST_CHANNEL_NUM; i++) {
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adc1_val[i] = adc1_get_raw((adc1_channel_t)adc1_ch[i]);
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printf("CH%d-%d ", adc1_ch[i], adc1_val[i]);
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#ifdef CONFIG_IDF_TARGET_ESP32S2
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TEST_ASSERT_INT_WITHIN( 100, 0, adc1_val[i] );
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#endif
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}
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printf("\n");
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/* tie midedle */
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for (int i = 0; i < ADC1_TEST_CHANNEL_NUM; i++) {
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adc_fake_tie_middle(ADC_UNIT_1, adc1_ch[i]);
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}
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printf("ADC tie mid read: ");
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vTaskDelay(50 / portTICK_RATE_MS);
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/* adc Read */
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printf("ADC1: ");
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for (int i = 0; i < ADC1_TEST_CHANNEL_NUM; i++) {
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adc1_val[i] = adc1_get_raw((adc1_channel_t)adc1_ch[i]);
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printf("CH%d-%d ", adc1_ch[i], adc1_val[i]);
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#ifdef CONFIG_IDF_TARGET_ESP32S2
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TEST_ASSERT_NOT_EQUAL( adc1_val[i], 0x1fff );
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TEST_ASSERT_NOT_EQUAL( adc1_val[i], 0 );
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#endif
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}
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printf("\n");
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for (int i = 0; i < ADC1_TEST_CHANNEL_NUM; i++) {
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adc_io_normal(ADC_UNIT_1, adc1_ch[i]);
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}
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}
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TEST_CASE("ADC2 rtc read", "[adc2]")
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{
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int adc2_val[ADC2_TEST_CHANNEL_NUM] = {0};
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/* adc2 Configure */
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ESP_LOGI(TAG, "ADC2 [CH - GPIO]:");
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for (int i = 0; i < ADC2_TEST_CHANNEL_NUM; i++) {
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TEST_ESP_OK( adc2_config_channel_atten(adc2_ch[i], ADC2_TEST_ATTEN) );
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ESP_LOGI(TAG, "[CH%d - IO%d]:", adc2_ch[i], ADC_GET_IO_NUM(1, adc2_ch[i]));
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}
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printf("ADC float read: ");
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vTaskDelay(10 / portTICK_RATE_MS);
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/* adc Read */
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printf("ADC2: ");
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for (int i = 0; i < ADC2_TEST_CHANNEL_NUM; i++) {
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TEST_ESP_OK( adc2_get_raw((adc2_channel_t)adc2_ch[i], ADC2_TEST_WIDTH, &adc2_val[i]) );
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printf("CH%d-%d ", adc2_ch[i], adc2_val[i]);
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}
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printf("\n");
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/* tie high */
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for (int i = 0; i < ADC2_TEST_CHANNEL_NUM; i++) {
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adc_fake_tie_high(ADC_UNIT_2, adc2_ch[i]);
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}
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printf("ADC tie high read: ");
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vTaskDelay(10 / portTICK_RATE_MS);
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/* adc Read */
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printf("ADC2: ");
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for (int i = 0; i < ADC2_TEST_CHANNEL_NUM; i++) {
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TEST_ESP_OK( adc2_get_raw((adc2_channel_t)adc2_ch[i], ADC2_TEST_WIDTH, &adc2_val[i]) );
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printf("CH%d-%d ", adc2_ch[i], adc2_val[i]);
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#ifdef CONFIG_IDF_TARGET_ESP32S2
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TEST_ASSERT_EQUAL( adc2_val[i], 0x1fff );
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#endif
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}
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printf("\n");
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/* tie low */
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for (int i = 0; i < ADC2_TEST_CHANNEL_NUM; i++) {
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adc_fake_tie_low(ADC_UNIT_2, adc2_ch[i]);
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}
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printf("ADC tie low read: ");
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vTaskDelay(10 / portTICK_RATE_MS);
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/* adc Read */
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printf("ADC2: ");
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for (int i = 0; i < ADC2_TEST_CHANNEL_NUM; i++) {
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TEST_ESP_OK( adc2_get_raw((adc2_channel_t)adc2_ch[i], ADC2_TEST_WIDTH, &adc2_val[i]) );
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printf("CH%d-%d ", adc2_ch[i], adc2_val[i]);
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#ifdef CONFIG_IDF_TARGET_ESP32S2
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TEST_ASSERT_INT_WITHIN( 100, 0, adc2_val[i] );
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#endif
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}
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printf("\n");
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/* tie midedle */
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for (int i = 0; i < ADC2_TEST_CHANNEL_NUM; i++) {
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adc_fake_tie_middle(ADC_UNIT_2, adc2_ch[i]);
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}
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printf("ADC tie middle read: ");
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vTaskDelay(10 / portTICK_RATE_MS);
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/* adc Read */
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printf("ADC2: ");
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for (int i = 0; i < ADC2_TEST_CHANNEL_NUM; i++) {
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TEST_ESP_OK( adc2_get_raw((adc2_channel_t)adc2_ch[i], ADC2_TEST_WIDTH, &adc2_val[i]) );
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printf("CH%d-%d ", adc2_ch[i], adc2_val[i]);
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#ifdef CONFIG_IDF_TARGET_ESP32S2
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TEST_ASSERT_NOT_EQUAL( 0, adc2_val[i] );
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TEST_ASSERT_NOT_EQUAL( 0x1fff, adc2_val[i] );
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#endif
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}
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printf("\n");
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for (int i = 0; i < ADC1_TEST_CHANNEL_NUM; i++) {
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adc_io_normal(ADC_UNIT_1, adc1_ch[i]);
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}
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}
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#include "touch_scope.h"
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/**
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* 0: ADC1 channels raw data debug.
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* 1: ADC2 channels raw data debug.
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*/
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#define SCOPE_DEBUG_TYPE 1
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#define SCOPE_DEBUG_CHANNEL_MAX (10)
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#define SCOPE_DEBUG_ENABLE (0)
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#define SCOPE_UART_BUADRATE (256000)
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#define SCOPE_DEBUG_FREQ_MS (50)
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/**
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* Manual test: Capture ADC-DMA data and display it on the serial oscilloscope. Used to observe the stability of the data.
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* Use step:
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* 1. Call this function in `esp-idf/tools/unit-test-app/main/app_main.c`.
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* 2. Use `ESP-Tuning Tool`(download from `www.espressif.com`) to capture.
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* 3. The readings of multiple channels will be displayed on the tool.
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*/
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void test_adc_slope_debug(void)
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{
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float scope_temp[SCOPE_DEBUG_CHANNEL_MAX] = {0}; // max scope channel is 10.
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test_tp_scope_debug_init(0, -1, -1, SCOPE_UART_BUADRATE);
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#if SCOPE_DEBUG_TYPE == 0
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/* adc1 Configure */
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adc1_config_width(ADC1_TEST_WIDTH);
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ESP_LOGI(TAG, "ADC1 [CH - GPIO] atten %d:", ADC1_TEST_ATTEN);
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for (int i = 0; i < ADC1_TEST_CHANNEL_NUM; i++) {
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TEST_ESP_OK( adc1_config_channel_atten(adc1_ch[i], ADC1_TEST_ATTEN) );
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ESP_LOGI(TAG, "[CH%d - IO%d]", adc1_ch[i], ADC_GET_IO_NUM(0, adc1_ch[i]));
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}
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/* tie midedle */
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for (int i = 0; i < ADC1_TEST_CHANNEL_NUM; i++) {
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adc_fake_tie_middle(ADC_UNIT_1, adc1_ch[i]);
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}
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vTaskDelay(10 / portTICK_RATE_MS);
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while (1) {
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/* adc Read */
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for (int i = 0; i < ADC1_TEST_CHANNEL_NUM; i++) {
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scope_temp[i] = adc1_get_raw((adc1_channel_t)adc1_ch[i]);
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}
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test_tp_print_to_scope(scope_temp, ADC1_TEST_CHANNEL_NUM);
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vTaskDelay(SCOPE_DEBUG_FREQ_MS / portTICK_RATE_MS);
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}
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#elif SCOPE_DEBUG_TYPE == 1
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int adc2_val[ADC2_TEST_CHANNEL_NUM] = {0};
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/* adc2 Configure */
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ESP_LOGI(TAG, "ADC2 [CH - GPIO] atten %d:", ADC2_TEST_ATTEN);
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for (int i = 0; i < ADC2_TEST_CHANNEL_NUM; i++) {
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TEST_ESP_OK( adc2_config_channel_atten(adc2_ch[i], ADC2_TEST_ATTEN) );
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ESP_LOGI(TAG, "[CH%d - IO%d]:", adc2_ch[i], ADC_GET_IO_NUM(1, adc2_ch[i]));
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}
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/* tie midedle */
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for (int i = 0; i < ADC2_TEST_CHANNEL_NUM; i++) {
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adc_fake_tie_middle(ADC_UNIT_2, adc2_ch[i]);
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}
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vTaskDelay(10 / portTICK_RATE_MS);
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while (1) {
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/* adc Read */
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printf("ADC2: ");
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for (int i = 0; i < ADC2_TEST_CHANNEL_NUM; i++) {
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adc2_get_raw((adc2_channel_t)adc2_ch[i], ADC2_TEST_WIDTH, &adc2_val[i]);
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scope_temp[i] = adc2_val[i];
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}
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test_tp_print_to_scope(scope_temp, ADC2_TEST_CHANNEL_NUM);
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vTaskDelay(SCOPE_DEBUG_FREQ_MS / portTICK_RATE_MS);
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}
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#endif
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} |