mirror of
https://github.com/espressif/esp-idf.git
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baa7898e35
1. update register file about adc; 2. fix adc driver; 3. add UT for adc/dac; See merge request espressif/esp-idf!7776
267 lines
8.0 KiB
C
267 lines
8.0 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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#define ADC1_TEST_CHANNEL_NUM 8
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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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};
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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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static 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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}
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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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}
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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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}
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static 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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}
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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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}
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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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}
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static 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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}
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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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}
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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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}
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static 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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}
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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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}
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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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}
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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], 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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