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adc: support ADC on esp32c6 (driver/test/example)

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This commit is contained in:
laokaiyao
2022-12-05 16:01:34 +08:00
parent e27f3e3128
commit 5333ac81bf
50 changed files with 363 additions and 331 deletions
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65
examples/peripherals/adc/continuous_read/main/continuous_read_main.c
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@@ -13,16 +13,25 @@
#include "freertos/semphr.h"
#include "esp_adc/adc_continuous.h"
#define EXAMPLE_READ_LEN 256
#define EXAMPLE_ADC_CONV_MODE ADC_CONV_SINGLE_UNIT_1
#define EXAMPLE_ADC_UNIT ADC_UNIT_1
#define _EXAMPLE_ADC_UNIT_STR(unit) #unit
#define EXAMPLE_ADC_UNIT_STR(unit) _EXAMPLE_ADC_UNIT_STR(unit)
#define EXAMPLE_ADC_CONV_MODE ADC_CONV_SINGLE_UNIT_1
#define EXAMPLE_ADC_ATTEN ADC_ATTEN_DB_0
#define EXAMPLE_ADC_BIT_WIDTH SOC_ADC_DIGI_MAX_BITWIDTH
#if CONFIG_IDF_TARGET_ESP32 || CONFIG_IDF_TARGET_ESP32S2
#define EXAMPLE_ADC_USE_OUTPUT_TYPE1 1
#define EXAMPLE_ADC_OUTPUT_TYPE ADC_DIGI_OUTPUT_FORMAT_TYPE1
#define EXAMPLE_ADC_OUTPUT_TYPE ADC_DIGI_OUTPUT_FORMAT_TYPE1
#define EXAMPLE_ADC_GET_CHANNEL(p_data) ((p_data)->type1.channel)
#define EXAMPLE_ADC_GET_DATA(p_data) ((p_data)->type1.data)
#else
#define EXAMPLE_ADC_OUTPUT_TYPE ADC_DIGI_OUTPUT_FORMAT_TYPE2
#define EXAMPLE_ADC_OUTPUT_TYPE ADC_DIGI_OUTPUT_FORMAT_TYPE2
#define EXAMPLE_ADC_GET_CHANNEL(p_data) ((p_data)->type2.channel)
#define EXAMPLE_ADC_GET_DATA(p_data) ((p_data)->type2.data)
#endif
#define EXAMPLE_READ_LEN 256
#if CONFIG_IDF_TARGET_ESP32
static adc_channel_t channel[2] = {ADC_CHANNEL_6, ADC_CHANNEL_7};
#else
@@ -61,16 +70,14 @@ static void continuous_adc_init(adc_channel_t *channel, uint8_t channel_num, adc
adc_digi_pattern_config_t adc_pattern[SOC_ADC_PATT_LEN_MAX] = {0};
dig_cfg.pattern_num = channel_num;
for (int i = 0; i < channel_num; i++) {
uint8_t unit = ADC_UNIT_1;
uint8_t ch = channel[i] & 0x7;
adc_pattern[i].atten = ADC_ATTEN_DB_0;
adc_pattern[i].channel = ch;
adc_pattern[i].unit = unit;
adc_pattern[i].bit_width = SOC_ADC_DIGI_MAX_BITWIDTH;
adc_pattern[i].atten = EXAMPLE_ADC_ATTEN;
adc_pattern[i].channel = channel[i] & 0x7;
adc_pattern[i].unit = EXAMPLE_ADC_UNIT;
adc_pattern[i].bit_width = EXAMPLE_ADC_BIT_WIDTH;
ESP_LOGI(TAG, "adc_pattern[%d].atten is :%x", i, adc_pattern[i].atten);
ESP_LOGI(TAG, "adc_pattern[%d].channel is :%x", i, adc_pattern[i].channel);
ESP_LOGI(TAG, "adc_pattern[%d].unit is :%x", i, adc_pattern[i].unit);
ESP_LOGI(TAG, "adc_pattern[%d].atten is :%"PRIx8, i, adc_pattern[i].atten);
ESP_LOGI(TAG, "adc_pattern[%d].channel is :%"PRIx8, i, adc_pattern[i].channel);
ESP_LOGI(TAG, "adc_pattern[%d].unit is :%"PRIx8, i, adc_pattern[i].unit);
}
dig_cfg.adc_pattern = adc_pattern;
ESP_ERROR_CHECK(adc_continuous_config(handle, &dig_cfg));
@@ -78,21 +85,6 @@ static void continuous_adc_init(adc_channel_t *channel, uint8_t channel_num, adc
*out_handle = handle;
}
static bool check_valid_data(const adc_digi_output_data_t *data)
{
#if EXAMPLE_ADC_USE_OUTPUT_TYPE1
if (data->type1.channel >= SOC_ADC_CHANNEL_NUM(ADC_UNIT_1)) {
return false;
}
#else
if (data->type2.channel >= SOC_ADC_CHANNEL_NUM(ADC_UNIT_1)) {
return false;
}
#endif
return true;
}
void app_main(void)
{
esp_err_t ret;
@@ -123,20 +115,21 @@ void app_main(void)
*/
ulTaskNotifyTake(pdTRUE, portMAX_DELAY);
char unit[] = EXAMPLE_ADC_UNIT_STR(EXAMPLE_ADC_UNIT);
while (1) {
ret = adc_continuous_read(handle, result, EXAMPLE_READ_LEN, &ret_num, 0);
if (ret == ESP_OK) {
ESP_LOGI("TASK", "ret is %x, ret_num is %"PRIu32, ret, ret_num);
for (int i = 0; i < ret_num; i += SOC_ADC_DIGI_RESULT_BYTES) {
adc_digi_output_data_t *p = (void*)&result[i];
if (check_valid_data(p)) {
#if EXAMPLE_ADC_USE_OUTPUT_TYPE1
ESP_LOGI(TAG, "Unit: %d, Channel: %d, Value: %x", 1, p->type1.channel, p->type1.data);
#else
ESP_LOGI(TAG, "Unit: %d,_Channel: %d, Value: %x", 1, p->type2.channel, p->type2.data);
#endif
uint32_t chan_num = EXAMPLE_ADC_GET_CHANNEL(p);
uint32_t data = EXAMPLE_ADC_GET_DATA(p);
/* Check the channel number validation, the data is invalid if the channel num exceed the maximum channel */
if (chan_num < SOC_ADC_CHANNEL_NUM(EXAMPLE_ADC_UNIT)) {
ESP_LOGI(TAG, "Unit: %s, Channel: %"PRIu32", Value: %"PRIx32, unit, chan_num, data);
} else {
ESP_LOGI(TAG, "Invalid data");
ESP_LOGW(TAG, "Invalid data [%s_%"PRIu32"_%"PRIx32"]", unit, chan_num, data);
}
}
/**