update

sdk

@@ -1 +1 @@
-Subproject commit baafde681f0e2f87659d06e8801f9ec9ea1c2277
+Subproject commit 187b88da24aed4d0c06bb06e3158b01c2612b57d

usrc/board.h

@@ -3,5 +3,5 @@
 #define ID1_IO PE1
 #define ID2_IO PE3
 #define ID3_IO PE6
-#define ID4_IO PE8
+#define ID4_IO PB9
 

usrc/main.cpp

@@ -67,6 +67,7 @@ class PWMCtrler : public ZIPWMCtrl {
       pwm.stopPWM();
     }
     m_state = state;
+    return 0;
   }
   virtual int32_t pwm_get_state(int32_t& state) {
     state = m_state;
@@ -78,6 +79,7 @@ class PWMCtrler : public ZIPWMCtrl {
     if (m_state) {
       pwm.startPWM(m_freq, m_duty);
     }
+    return 0;
   }
   virtual int32_t get_pwm_duty(int32_t& duty) {
     duty = m_duty;
@@ -89,6 +91,7 @@ class PWMCtrler : public ZIPWMCtrl {
     if (m_state) {
       pwm.startPWM(m_freq, m_duty);
     }
+    return 0;
   }
   virtual int32_t get_pwm_freq(int32_t& duty) {
     duty = m_freq;