driver/ledc: support invert channel output

2021-04-23 12:22:53 +08:00
parent 74f9ce437f
commit 48c848a895
4 changed files with 21 additions and 9 deletions
@@ -76,6 +76,7 @@ esp_err_t ledc_update_duty(ledc_mode_t speed_mode, ledc_channel_t channel);

 /**
 * @brief Set LEDC output gpio.
+ * @deprecated This function is redundant, please use ledc_channel_config to set gpio pins.
 *
 * @param  gpio_num The LEDC output gpio
 * @param  speed_mode Select the LEDC channel group with specified speed mode. Note that not all targets support high speed mode.
@@ -85,8 +86,8 @@ esp_err_t ledc_update_duty(ledc_mode_t speed_mode, ledc_channel_t channel);
 *     - ESP_OK Success
 *     - ESP_ERR_INVALID_ARG Parameter error
 */
-esp_err_t ledc_set_pin(int gpio_num, ledc_mode_t speed_mode, ledc_channel_t ledc_channel);
-
+esp_err_t ledc_set_pin(int gpio_num, ledc_mode_t speed_mode, ledc_channel_t ledc_channel)
+    __attribute__((deprecated("use ledc_channel_config instead")));
 /**
 * @brief LEDC stop.
 *        Disable LEDC output, and set idle level