add Enc28J60.powerOff(), Enc28J60.powerOn() and Enc28J60.getrev()

Author: ntruchsess

utility/Enc28J60Network.cpp

@@ -556,3 +556,23 @@ Enc28J60Network::chksum(uint16_t sum, memhandle handle, memaddress pos, uint16_t
   return sum;
 }
 
+void
+Enc28J60Network::powerOff()
+{
+  writeOp(ENC28J60_BIT_FIELD_CLR, ECON1, ECON1_RXEN);
+  delay(50);
+  writeOp(ENC28J60_BIT_FIELD_SET, ECON2, ECON2_VRPS);
+  delay(50);
+  writeOp(ENC28J60_BIT_FIELD_SET, ECON2, ECON2_PWRSV);
+}
+
+void
+Enc28J60Network::powerOn()
+{
+  writeOp(ENC28J60_BIT_FIELD_CLR, ECON2, ECON2_PWRSV);
+  delay(50);
+  writeOp(ENC28J60_BIT_FIELD_SET, ECON1, ECON1_RXEN);
+  delay(50);
+}
+
+Enc28J60Network Enc28J60;

utility/Enc28J60Network.h

@@ -70,7 +70,9 @@ class Enc28J60Network : public MemoryPool
 
 public:
 
-  static uint8_t getrev(void);
+  uint8_t getrev(void);
+  void powerOn();
+  void powerOff();
 
   static void init(uint8_t* macaddr);
   static memhandle receivePacket();
@@ -83,4 +85,5 @@ class Enc28J60Network : public MemoryPool
   static uint16_t chksum(uint16_t sum, memhandle handle, memaddress pos, uint16_t len);
 };
 
+extern Enc28J60Network Enc28J60;
 #endif /* Enc28J60NetworkClass_H_ */