Merge pull request #22 from Y1hsiaochunnn/master

Optimize the BSP of ESP32-S3-Touch-LCD-4, add IO to expand the functi…

Author: Y1hsiaochunnn

bsp/esp32_s3_touch_lcd_4/esp32_s3_touch_lcd_4.c

@@ -12,7 +12,6 @@
 #include "freertos/FreeRTOS.h"
 #include "freertos/task.h"
 
-#include "esp_io_expander_tca9554.h"
 
 #include "esp_lcd_st7701.h"
 #include "esp_lcd_touch_gt911.h"
@@ -373,6 +372,7 @@ esp_err_t bsp_touch_new(const bsp_touch_config_t *config, esp_lcd_touch_handle_t
  **************************************************************************************************/
 esp_io_expander_handle_t bsp_io_expander_init(void)
 {
+    BSP_ERROR_CHECK_RETURN_ERR(bsp_i2c_init());
     if (!io_expander) {
         BSP_ERROR_CHECK_RETURN_NULL(esp_io_expander_new_i2c_tca9554(i2c_handle, BSP_IO_EXPANDER_I2C_ADDRESS, &io_expander));
     }

bsp/esp32_s3_touch_lcd_4/idf_component.yml

@@ -15,4 +15,4 @@ tags:
 targets:
 - esp32s3
 url: https://www.waveshare.com/esp32-s3-touch-lcd-4.htm
-version: 1.0.2
+version: 1.0.3

bsp/esp32_s3_touch_lcd_4/include/bsp/esp32_s3_touch_lcd_4.h

@@ -4,6 +4,7 @@
 #include "driver/gpio.h"
 #include "driver/i2c_master.h"
 #include "driver/sdmmc_host.h"
+#include "esp_io_expander_tca9554.h"
 #include "bsp/config.h"
 #include "bsp/display.h"
 
@@ -190,6 +191,18 @@ esp_err_t bsp_sdcard_mount(void);
  */
 esp_err_t bsp_sdcard_unmount(void);
 
+/**
+ * @brief Init IO expander chip TCA9554
+ *
+ * @note If the device was already initialized, users can also use it to get handle.
+ * @note This function will be called in `bsp_display_start()` when using LCD sub-board 2 with the resolution of 480x480.
+ * @note This function will be called in `bsp_audio_init()`.
+ *
+ * @return Pointer to device handle or NULL when error occurred
+ */
+esp_io_expander_handle_t bsp_io_expander_init(void);
+
+
 /**************************************************************************************************
  *
  * LCD interface