baa7898e35
1. update register file about adc; 2. fix adc driver; 3. add UT for adc/dac; See merge request espressif/esp-idf!7776
40 lines
1.5 KiB
C
40 lines
1.5 KiB
C
#pragma once
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#include "soc/dac_caps.h"
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#include "sdkconfig.h"
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typedef enum {
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DAC_CHANNEL_1 = 0, /*!< DAC channel 1 is GPIO25(ESP32) / GPIO17(ESP32S2) */
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DAC_CHANNEL_2 = 1, /*!< DAC channel 2 is GPIO26(ESP32) / GPIO18(ESP32S2) */
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DAC_CHANNEL_MAX,
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} dac_channel_t;
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/**
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* @brief The multiple of the amplitude of the cosine wave generator. The max amplitude is VDD3P3_RTC.
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*/
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typedef enum {
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DAC_CW_SCALE_1 = 0x0, /*!< 1/1. Default. */
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DAC_CW_SCALE_2 = 0x1, /*!< 1/2. */
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DAC_CW_SCALE_4 = 0x2, /*!< 1/4. */
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DAC_CW_SCALE_8 = 0x3, /*!< 1/8. */
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} dac_cw_scale_t;
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/**
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* @brief Set the phase of the cosine wave generator output.
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*/
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typedef enum {
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DAC_CW_PHASE_0 = 0x2, /*!< Phase shift +0° */
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DAC_CW_PHASE_180 = 0x3, /*!< Phase shift +180° */
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} dac_cw_phase_t;
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/**
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* @brief Config the cosine wave generator function in DAC module.
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*/
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typedef struct {
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dac_channel_t en_ch; /*!< Enable the cosine wave generator of DAC channel. */
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dac_cw_scale_t scale; /*!< Set the amplitude of the cosine wave generator output. */
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dac_cw_phase_t phase; /*!< Set the phase of the cosine wave generator output. */
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uint32_t freq; /*!< Set frequency of cosine wave generator output. Range: 130(130Hz) ~ 55000(100KHz). */
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int8_t offset; /*!< Set the voltage value of the DC component of the cosine wave generator output.
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Note: Unreasonable settings can cause waveform to be oversaturated. Range: -128 ~ 127. */
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} dac_cw_config_t; |