diff --git a/Power_Pico/BSP/PD/fusb302_dev.c b/Power_Pico/BSP/PD/fusb302_dev.c
index e64f7d2..0cfc8b0 100644
--- a/Power_Pico/BSP/PD/fusb302_dev.c
+++ b/Power_Pico/BSP/PD/fusb302_dev.c
@@ -171,7 +171,7 @@ bool fusb302_timer(void)
 
 bool is_power_ready(void) { return app_pd.status_power == STATUS_POWER_TYP; }
 bool is_PPS_ready(void)   { return app_pd.status_power == STATUS_POWER_PPS; }
-
+void send_power_request(void) { app_pd.send_request = 1; }
 
 uint8_t fusb302_dev_init(void) {
     fusb302_dev.i2c_address = 0x22<<1; // FUSB302 I2C address
diff --git a/Power_Pico/BSP/PD/fusb302_dev.h b/Power_Pico/BSP/PD/fusb302_dev.h
index 24c4383..026c418 100644
--- a/Power_Pico/BSP/PD/fusb302_dev.h
+++ b/Power_Pico/BSP/PD/fusb302_dev.h
@@ -38,10 +38,15 @@ enum {
 };
 typedef uint8_t status_power_t;
 
+enum {
+    PD_SYS_STATE_INIT = 0,
+    PD_SYS_STATE_READY,
+    PD_SYS_STATE_ERROR
+};
+typedef uint8_t PD_user_state_t;
+
 typedef struct
 {
-    uint8_t state;
-    //uint8_t pd_ic_initial;
     PD_protocol_t protocol;
 
     // Power ready power
@@ -77,6 +82,9 @@ extern App_PD_t app_pd;
 
 uint8_t fusb302_dev_init(void);
 void handle_FUSB302_event(FUSB302_event_t events);
+bool is_power_ready(void);
+bool is_PPS_ready(void);
+void send_power_request(void);
 
 #ifdef __cplusplus
 }