将gpio_led的FadeCallback放到IRAM (#629)

* 添加四博智联AI陪伴盒子适配，典型pdm麦克风设备

* doit_s3_aibox LED切换到GPIO LED

* doit_s3_aibox 添加说明文件

* doit_s3_aibox 音量最大值设置到100

* 将gpio_led的FadeCallback放到IRAM

Author: HonestQiao

main/Kconfig.projbuild

@@ -45,7 +45,7 @@ choice BOARD_TYPE
     config BOARD_TYPE_ESP_BOX
         bool "ESP BOX"
     config BOARD_TYPE_ESP_BOX_LITE
-        bool "ESP BOX Lite"        
+        bool "ESP BOX Lite"
     config BOARD_TYPE_KEVIN_BOX_1
         bool "Kevin Box 1"
     config BOARD_TYPE_KEVIN_BOX_2
@@ -207,7 +207,7 @@ choice DISPLAY_LCD_TYPE
     config LCD_ST7796_320X480
         bool "ST7796, 分辨率320*480 IPS"
     config LCD_ST7796_320X480_NO_IPS
-        bool "ST7796, 分辨率320*480, 非IPS"    
+        bool "ST7796, 分辨率320*480, 非IPS"
     config LCD_ILI9341_240X320
         bool "ILI9341, 分辨率240*320"
     config LCD_ILI9341_240X320_NO_IPS

main/led/gpio_led.cc

@@ -190,7 +190,7 @@ void GpioLed::OnFadeEnd() {
                     ledc_channel_.channel, LEDC_FADE_NO_WAIT);
 }
 
-bool GpioLed::FadeCallback(const ledc_cb_param_t *param, void *user_arg) {
+bool IRAM_ATTR GpioLed::FadeCallback(const ledc_cb_param_t *param, void *user_arg) {
     if (param->event == LEDC_FADE_END_EVT) {
         auto led = static_cast<GpioLed*>(user_arg);
         led->OnFadeEnd();

main/led/gpio_led.h

@@ -41,7 +41,7 @@ class GpioLed : public Led {
     void StartContinuousBlink(int interval_ms);
     void StartFadeTask();
     void OnFadeEnd();
-    static bool FadeCallback(const ledc_cb_param_t *param, void *user_arg);
+    static bool IRAM_ATTR FadeCallback(const ledc_cb_param_t *param, void *user_arg);
 };
 
 #endif  // _GPIO_LED_H_