Add portA power control #99

Author: TinyuZhao

examples/Unit/LoRaWAN470/LoRaWAN470.ino

@@ -60,6 +60,8 @@ void AXP192::begin() {
   delay(100);
   // I2C_WriteByteDataAt(0X15,0XFE,0XFF);
 
+  SetPeripherialsPower(true);
+
   // axp: check v-bus status
   if (Read8bit(0x00) & 0x08) {
     Write1Byte(0x30, Read8bit(0x30) | 0x80);
@@ -535,3 +537,10 @@ void AXP192::SetCHGCurrent(uint8_t state) {
   data = data | (state & 0x0f);
   Write1Byte(0x33, data);
 }
+
+void AXP192::SetPeripherialsPower(uint8_t state) {
+  if (!state)
+    Write1Byte(0x10, Read8bit(0x10) & 0XFB);
+  else if (state)
+    Write1Byte(0x10, Read8bit(0x10) | 0X02);
+}

examples/Unit/LoRaWAN868/LoRaWAN868.ino

@@ -97,6 +97,7 @@ class AXP192 {
   void SetLed(uint8_t state);
   void SetSpkEnable(uint8_t state);
   void SetCHGCurrent(uint8_t state);
+  void SetPeripherialsPower(uint8_t state);
 
  private:
   void Write1Byte(uint8_t Addr, uint8_t Data);