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driver(adc): add adc-dma code for esp32

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This commit is contained in:
fuzhibo
2020-06-11 22:05:18 +08:00
committed by bot
parent cf3be75844
commit bd92e95160
11 changed files with 211 additions and 224 deletions
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34
components/driver/esp32/adc.c
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@@ -40,7 +40,6 @@
#define ADC_MAX_MEAS_NUM_DEFAULT (255)
#define ADC_MEAS_NUM_LIM_DEFAULT (1)
#define SAR_ADC_CLK_DIV_DEFUALT (2)
#define DIG_ADC_OUTPUT_FORMAT_DEFUALT (ADC_DIGI_FORMAT_12BIT)
#define DIG_ADC_ATTEN_DEFUALT (ADC_ATTEN_DB_11)
@@ -94,14 +93,13 @@ esp_err_t adc_i2s_mode_init(adc_unit_t adc_unit, adc_channel_t channel)
ADC_CHANNEL_CHECK(ADC_NUM_2, channel);
}
adc_hal_digi_pattern_table_t adc1_pattern[1];
adc_hal_digi_pattern_table_t adc2_pattern[1];
adc_hal_digi_config_t dig_cfg = {
adc_digi_pattern_table_t adc1_pattern[1];
adc_digi_pattern_table_t adc2_pattern[1];
adc_digi_config_t dig_cfg = {
.conv_limit_en = ADC_MEAS_NUM_LIM_DEFAULT,
.conv_limit_num = ADC_MAX_MEAS_NUM_DEFAULT,
.clk_div = SAR_ADC_CLK_DIV_DEFUALT,
.format = DIG_ADC_OUTPUT_FORMAT_DEFUALT,
.conv_mode = (adc_hal_digi_convert_mode_t)adc_unit,
.conv_mode = (adc_digi_convert_mode_t)adc_unit,
};
if (adc_unit & ADC_UNIT_1) {
@@ -127,6 +125,30 @@ esp_err_t adc_i2s_mode_init(adc_unit_t adc_unit, adc_channel_t channel)
return ESP_OK;
}
esp_err_t adc_digi_init(void)
{
ADC_ENTER_CRITICAL();
adc_hal_digi_init();
ADC_EXIT_CRITICAL();
return ESP_OK;
}
esp_err_t adc_digi_deinit(void)
{
ADC_ENTER_CRITICAL();
adc_hal_digi_deinit();
ADC_EXIT_CRITICAL();
return ESP_OK;
}
esp_err_t adc_digi_controller_config(const adc_digi_config_t *config)
{
ADC_ENTER_CRITICAL();
adc_hal_digi_controller_config(config);
ADC_EXIT_CRITICAL();
return ESP_OK;
}
/*---------------------------------------------------------------
RTC controller setting
---------------------------------------------------------------*/