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feat(gpio): add gpio_config_as_analog API

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This commit is contained in:
Song Ruo Jing
2024-12-27 18:41:50 +08:00
parent 5b75572f23
commit 52c0278361
21 changed files with 102 additions and 148 deletions
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20
components/esp_driver_gpio/src/gpio.c
View File

@@ -433,6 +433,26 @@ esp_err_t gpio_config(const gpio_config_t *pGPIOConfig)
return ESP_OK;
}
esp_err_t gpio_config_as_analog(gpio_num_t gpio_num)
{
GPIO_CHECK(GPIO_IS_VALID_GPIO(gpio_num), "GPIO number error", ESP_ERR_INVALID_ARG);
// To be used for analog function, the pin needs to be left floating
gpio_input_disable(gpio_num);
gpio_output_disable(gpio_num);
gpio_pullup_dis(gpio_num);
gpio_pulldown_dis(gpio_num);
gpio_hal_func_sel(gpio_context.gpio_hal, gpio_num, PIN_FUNC_GPIO);
#if SOC_RTCIO_INPUT_OUTPUT_SUPPORTED
if (rtc_gpio_is_valid_gpio(gpio_num)) {
rtc_gpio_deinit(gpio_num);
rtc_gpio_set_direction(gpio_num, RTC_GPIO_MODE_DISABLED);
rtc_gpio_pullup_dis(gpio_num);
rtc_gpio_pulldown_dis(gpio_num);
}
#endif
return ESP_OK;
}
esp_err_t gpio_reset_pin(gpio_num_t gpio_num)
{
assert(GPIO_IS_VALID_GPIO(gpio_num));

4
components/esp_driver_gpio/src/rtc_io.c
View File

@@ -239,8 +239,10 @@ esp_err_t rtc_gpio_force_hold_dis_all(void)
esp_err_t rtc_gpio_isolate(gpio_num_t gpio_num)
{
ESP_RETURN_ON_FALSE(rtc_gpio_is_valid_gpio(gpio_num), ESP_ERR_INVALID_ARG, RTCIO_TAG, "RTCIO number error");
int rtcio_num = rtc_io_number_get(gpio_num);
RTCIO_ENTER_CRITICAL();
rtcio_hal_isolate(rtc_io_number_get(gpio_num));
rtcio_hal_isolate(rtcio_num);
rtcio_hal_hold_enable(rtcio_num);
RTCIO_EXIT_CRITICAL();
return ESP_OK;