diff --git a/src/W800 SDK v1.00.08/app/app_config.h b/src/W800 SDK v1.00.08/app/app_config.h
index e9da31a..34f5e8f 100644
--- a/src/W800 SDK v1.00.08/app/app_config.h	
+++ b/src/W800 SDK v1.00.08/app/app_config.h	
@@ -1,13 +1,17 @@
 #ifndef APPCONFIG_H
 #define APPCONFIG_H
 
-/*
-* This file contains all the configuration parameters linked to the main application.
-*/
+#include "wm_gpio.h"
 
-/*
-* Define which logs to display :
-*/
+/**
+ * @brief This file contains all the configuration parameters linked to the main application.
+ * 
+ */
+
+/**
+ * @brief Define which kind of logs to display :
+ * 
+ */
 
 #define LOG_ENABLE_ERROR     (1)
 #define LOG_ENABLE_WARNING   (1)
@@ -15,4 +19,44 @@
 #define LOG_ENABLE_TRACE     (1)
 #define LOG_ENABLE_DEBUG     (1)
 
+/**
+ * @brief Define the hardware pin mapping for all the components :
+ * i2c
+ * lcd display
+ * touch panel
+ * debug uart
+ */
+
+/**
+ * @brief i2c
+ * 
+ */
+#define I2C_SCL WM_IO_PA_01
+#define I2C_SDA WM_IO_PA_04
+
+/**
+ * @brief lcd display
+ * 
+ */
+#define LCD_ROTATION    0
+#define LCD_CLOCK_CLOCK   WM_IO_PB_06
+#define LCD_DATA_LINE    WM_IO_PB_07
+#define LCD_CHIP_SELECT WM_IO_PB_10
+#define LCD_DATA_COMMAND WM_IO_PB_08
+#define LCD_RESET   WM_IO_PB_09
+#define LCD_PWM_BACKLIGHT   WM_IO_PA_07
+#define LCD_PWM_CHANNEL 4
+
+/**
+ * @brief lcd touch panel
+ * 
+ */
+#define LCD_TOUCH_PANEL_IRQ     WM_IO_PB_00
+
+/**
+ * @brief debug uart
+ * 
+ */
+#define DEBUG_UART_TX   WM_IO_PB_02
+
 #endif //APPCONFIG_H
\ No newline at end of file