IDF release/v3.3 (#3672)

ESP-IDF release/v3.3: 66d3783c8
esp-face: 420fc7e
esp32-camera: 0107093

tools/sdk/include/driver/driver/ledc.h

@@ -171,6 +171,19 @@ esp_err_t ledc_timer_config(const ledc_timer_config_t* timer_conf);
  */
 esp_err_t ledc_update_duty(ledc_mode_t speed_mode, ledc_channel_t channel);
 
+/**
+ * @brief Set LEDC output gpio.
+ *
+ * @param  gpio_num The LEDC output gpio
+ * @param speed_mode Select the LEDC speed_mode, high-speed mode and low-speed mode
+ * @param  ledc_channel LEDC channel (0-7), select from ledc_channel_t
+ *
+ * @return
+ *     - 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);
+
 /**
  * @brief LEDC stop.
  *        Disable LEDC output, and set idle level

tools/sdk/include/driver/driver/periph_ctrl.h

@@ -62,6 +62,29 @@ void periph_module_disable(periph_module_t periph);
  */
 void periph_module_reset(periph_module_t periph);
 
+/**
+ * @brief      enable wifi bt common module
+ *
+ * @note If wifi_bt_common_module_enable is called a number of times,
+ *       wifi_bt_common_module_disable has to be called the same number of times
+ *       in order to put the peripheral into disabled state.
+ *
+ * @return     NULL 
+ * 
+ */
+void wifi_bt_common_module_enable(void);
+
+/**
+ * @brief      disable wifi bt common module
+ *
+ * @note If wifi_bt_common_module_enable is called a number of times,
+ *       wifi_bt_common_module_disable has to be called the same number of times
+ *       in order to put the peripheral into disabled state.
+ *
+ * @return     NULL 
+ * 
+ */
+void wifi_bt_common_module_disable(void);
 
 #ifdef __cplusplus
 }

tools/sdk/include/driver/driver/sigmadelta.h

@@ -19,7 +19,7 @@
 #include "soc/gpio_sd_reg.h"
 #include "driver/gpio.h"
 
-#ifdef _cplusplus
+#ifdef __cplusplus
 extern "C" {
 #endif
 
@@ -102,7 +102,7 @@ esp_err_t sigmadelta_set_prescale(sigmadelta_channel_t channel, uint8_t prescale
  */
 esp_err_t sigmadelta_set_pin(sigmadelta_channel_t channel, gpio_num_t gpio_num);
 
-#ifdef _cplusplus
+#ifdef __cplusplus
 }
 #endif