diff --git a/App/Src/uart_dev.c b/App/Src/uart_dev.c
index e2f7f6b..8da0bb3 100644
--- a/App/Src/uart_dev.c
+++ b/App/Src/uart_dev.c
@@ -4,6 +4,7 @@
 #include "timer.h"
 #include "gpio.h"
 #include "inflash.h"
+#include "rain.h"
 
 extern UART_HandleTypeDef huart1;
 extern UART_HandleTypeDef huart3;
@@ -352,7 +353,7 @@ void init_ec801_uart()
   * @retval None
   */
 void init_rain_uart()
-{    
-    HAL_GPIO_WritePin(GPIO_RAIN_PWR_CTRL_GPIO_Port, GPIO_RAIN_PWR_CTRL_Pin, GPIO_PIN_SET);
+{   
+    rainLightPowerOn();
 	g_rain_uart_handle = uart_dev_init(RAIN_RS485_UART_INDEX, rain_in_buff, sizeof(rain_in_buff));     
 }
diff --git a/Core/Src/freertos.c b/Core/Src/freertos.c
index b37fcd7..c8f55f6 100644
--- a/Core/Src/freertos.c
+++ b/Core/Src/freertos.c
@@ -33,6 +33,7 @@ void task_shell_term_main_loop(void const * argument);
 #include "inflash.h"    
 #include "hp203b.h"
 #include "encrypt.h"
+#include "rain.h"
 /* USER CODE END Includes */
 
 /* Private typedef -----------------------------------------------------------*/
diff --git a/Core/Src/main.c b/Core/Src/main.c
index 051265d..af5dab1 100644
--- a/Core/Src/main.c
+++ b/Core/Src/main.c
@@ -167,7 +167,7 @@ void Flash_EnableReadProtection(void)
   /* USER CODE BEGIN 2 */
   init_term_uart();
   init_rs485_uart();
-  init_rain_uart();uart_dev_write(g_rain_uart_handle, "Hello", 5);
+  init_rain_uart();
 //  init_ec801_uart();
   term_printf("Micro Climate Station Sensor.\r\n");
   term_printf("Version 1.0.0 Build: %s %s\r\n",__DATE__,__TIME__);
diff --git a/Drivers/RainLight/rain.c b/Drivers/RainLight/rain.c
new file mode 100644
index 0000000..8515b7d
--- /dev/null
+++ b/Drivers/RainLight/rain.c
@@ -0,0 +1,41 @@
+#include "rain.h"
+#include "gpio.h"
+#include "uart_dev.h"
+
+//开电
+void rainLightPowerOn(void)
+{
+    HAL_GPIO_WritePin(GPIO_RAIN_PWR_CTRL_GPIO_Port, GPIO_RAIN_PWR_CTRL_Pin, GPIO_PIN_SET);
+}
+
+//关电
+void rainLightPowerOff(void)
+{
+    HAL_GPIO_WritePin(GPIO_RAIN_PWR_CTRL_GPIO_Port, GPIO_RAIN_PWR_CTRL_Pin, GPIO_PIN_RESET);
+}
+
+//获取雨量指令，返回的雨量是十倍，两个字节
+void getRainData(void)
+{
+    uint8_t getRainDataCmd[] = {0x01, 0x03, 0x00, 0x00, 0x00, 0x01, 0x84, 0x0A};
+    uart_dev_write(g_rain_uart_handle, getRainDataCmd, sizeof(getRainDataCmd));
+}
+
+//清空雨量指令
+void clearRainData(void)
+{
+    uint8_t getRainDataCmd[] = {0x01, 0x06, 0x00, 0x00, 0x00, 0x5A, 0x09, 0xF1};
+    uart_dev_write(g_rain_uart_handle, getRainDataCmd, sizeof(getRainDataCmd));
+}
+
+//获取光照指令，返回一倍光照，四个字节
+void getLightData(void)
+{
+    uint8_t getRainDataCmd[] = {0x01, 0x03, 0x00, 0x02, 0x00, 0x02, 0x65, 0xCB};
+    uart_dev_write(g_rain_uart_handle, getRainDataCmd, sizeof(getRainDataCmd));
+}
+
+void readProcessRainData(device_handle device)
+{
+    
+}
\ No newline at end of file
diff --git a/Drivers/RainLight/rain.h b/Drivers/RainLight/rain.h
new file mode 100644
index 0000000..2e3566f
--- /dev/null
+++ b/Drivers/RainLight/rain.h
@@ -0,0 +1,18 @@
+#ifndef __RAIN_H__
+#define __RAIN_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void rainLightPowerOn(void);    //开雨量光照电源
+void rainLightPowerOff(void);   //关雨量光照电源
+void getRainData(void);         //获取雨量指令
+void clearRainData(void);       //清空雨量电源
+void getLightData(void);        //获取光照数据
+
+#ifdef __cplusplus
+}
+#endif
+#endif /*___RAIN_H__ */
+
diff --git a/EWARM/micro_climate.ewp b/EWARM/micro_climate.ewp
index 4e95e6e..2339eeb 100644
--- a/EWARM/micro_climate.ewp
+++ b/EWARM/micro_climate.ewp
@@ -374,6 +374,7 @@
                     <state>$PROJ_DIR$\..\tools</state>
                     <state>$PROJ_DIR$\..\App\Inc</state>
                     <state>$PROJ_DIR$\..\Drivers\HP203B</state>
+                    <state>$PROJ_DIR$\..\Drivers\RainLight</state>
                 </option>
                 <option>
                     <name>CCStdIncCheck</name>
@@ -2365,6 +2366,15 @@
                 <name>$PROJ_DIR$\..\Drivers\HP203B\hp203b.h</name>
             </file>
         </group>
+        <group>
+            <name>RainLight</name>
+            <file>
+                <name>$PROJ_DIR$\..\Drivers\RainLight\rain.c</name>
+            </file>
+            <file>
+                <name>$PROJ_DIR$\..\Drivers\RainLight\rain.h</name>
+            </file>
+        </group>
         <group>
             <name>RingQueue</name>
             <file>
diff --git a/EWARM/micro_climate.ewt b/EWARM/micro_climate.ewt
index 408c6e9..7c32722 100644
--- a/EWARM/micro_climate.ewt
+++ b/EWARM/micro_climate.ewt
@@ -2994,6 +2994,15 @@
                 <name>$PROJ_DIR$\..\Drivers\HP203B\hp203b.h</name>
             </file>
         </group>
+        <group>
+            <name>RainLight</name>
+            <file>
+                <name>$PROJ_DIR$\..\Drivers\RainLight\rain.c</name>
+            </file>
+            <file>
+                <name>$PROJ_DIR$\..\Drivers\RainLight\rain.h</name>
+            </file>
+        </group>
         <group>
             <name>RingQueue</name>
             <file>