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feat(rtc): open adc*(dac)_pad_get_io_num functions to public.

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This commit is contained in:
michael 2017-09-13 17:27:45 +08:00
parent cff8d30c25
commit a6ac5b33c9
3 changed files with 87 additions and 3 deletions
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26
components/driver/include/driver/adc.h
View file

@ -112,6 +112,19 @@ typedef enum {
ADC_I2S_DATA_SRC_MAX,
} adc_i2s_source_t;
/**
* @brief Get the gpio number of a specific ADC1 channel.
*
* @param channel Channel to get the gpio number
*
* @param gpio_num output buffer to hold the gpio number
*
* @return
* - ESP_OK if success
* - ESP_ERR_INVALID_ARG if channal not valid
*/
esp_err_t adc1_pad_get_io_num(adc1_channel_t channel, gpio_num_t *gpio_num);
/**
* @brief Configure ADC1 capture width, meanwhile enable output invert for ADC1.
* The configuration is for all channels of ADC1
@ -273,6 +286,19 @@ void adc1_ulp_enable();
*/
int hall_sensor_read();
/**
* @brief Get the gpio number of a specific ADC2 channel.
*
* @param channel Channel to get the gpio number
*
* @param gpio_num output buffer to hold the gpio number
*
* @return
* - ESP_OK if success
* - ESP_ERR_INVALID_ARG if channal not valid
*/
esp_err_t adc2_pad_get_io_num(adc2_channel_t channel, gpio_num_t *gpio_num);
/**
* @brief Output ADC2 reference voltage to gpio 25 or 26 or 27
*

13
components/driver/include/driver/dac.h
View file

@ -29,6 +29,19 @@ typedef enum {
DAC_CHANNEL_MAX,
} dac_channel_t;
/**
* @brief Get the gpio number of a specific DAC channel.
*
* @param channel Channel to get the gpio number
*
* @param gpio_num output buffer to hold the gpio number
*
* @return
* - ESP_OK if success
* - ESP_ERR_INVALID_ARG if channal not valid
*/
esp_err_t dac_pad_get_io_num(dac_channel_t channel, gpio_num_t *gpio_num);
/** @cond */
/**
* @brief Set DAC output voltage.

51
components/driver/rtc_module.c
View file

@ -905,9 +905,9 @@ esp_err_t touch_pad_filter_delete()
/*---------------------------------------------------------------
ADC
---------------------------------------------------------------*/
static esp_err_t adc1_pad_get_io_num(adc1_channel_t channel, gpio_num_t *gpio_num)
esp_err_t adc1_pad_get_io_num(adc1_channel_t channel, gpio_num_t *gpio_num)
{
RTC_MODULE_CHECK(channel < ADC1_CHANNEL_MAX, "ADC Channel Err", ESP_ERR_INVALID_ARG);
RTC_MODULE_CHECK(channel < ADC1_CHANNEL_MAX, "ADC1 Channel Err", ESP_ERR_INVALID_ARG);
switch (channel) {
case ADC1_CHANNEL_0:
@ -1263,6 +1263,51 @@ void adc1_ulp_enable(void)
portEXIT_CRITICAL(&rtc_spinlock);
}
/*---------------------------------------------------------------
ADC2
---------------------------------------------------------------*/
esp_err_t adc2_pad_get_io_num(adc2_channel_t channel, gpio_num_t *gpio_num)
{
RTC_MODULE_CHECK(channel < ADC2_CHANNEL_MAX, "ADC2 Channel Err", ESP_ERR_INVALID_ARG);
switch (channel) {
case ADC2_CHANNEL_0:
*gpio_num = ADC2_CHANNEL_0_GPIO_NUM;
break;
case ADC2_CHANNEL_1:
*gpio_num = ADC2_CHANNEL_1_GPIO_NUM;
break;
case ADC2_CHANNEL_2:
*gpio_num = ADC2_CHANNEL_2_GPIO_NUM;
break;
case ADC2_CHANNEL_3:
*gpio_num = ADC2_CHANNEL_3_GPIO_NUM;
break;
case ADC2_CHANNEL_4:
*gpio_num = ADC2_CHANNEL_4_GPIO_NUM;
break;
case ADC2_CHANNEL_5:
*gpio_num = ADC2_CHANNEL_5_GPIO_NUM;
break;
case ADC2_CHANNEL_6:
*gpio_num = ADC2_CHANNEL_6_GPIO_NUM;
break;
case ADC2_CHANNEL_7:
*gpio_num = ADC2_CHANNEL_7_GPIO_NUM;
break;
case ADC2_CHANNEL_8:
*gpio_num = ADC2_CHANNEL_8_GPIO_NUM;
break;
case ADC2_CHANNEL_9:
*gpio_num = ADC2_CHANNEL_9_GPIO_NUM;
break;
default:
return ESP_ERR_INVALID_ARG;
}
return ESP_OK;
}
esp_err_t adc2_vref_to_gpio(gpio_num_t gpio)
{
int channel;
@ -1303,7 +1348,7 @@ esp_err_t adc2_vref_to_gpio(gpio_num_t gpio)
/*---------------------------------------------------------------
DAC
---------------------------------------------------------------*/
static esp_err_t dac_pad_get_io_num(dac_channel_t channel, gpio_num_t *gpio_num)
esp_err_t dac_pad_get_io_num(dac_channel_t channel, gpio_num_t *gpio_num)
{
RTC_MODULE_CHECK((channel >= DAC_CHANNEL_1) && (channel < DAC_CHANNEL_MAX), DAC_ERR_STR_CHANNEL_ERROR, ESP_ERR_INVALID_ARG);
RTC_MODULE_CHECK(gpio_num, "Param null", ESP_ERR_INVALID_ARG);