WIP

Software/Protocol.txt

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+MeyCan: PROTOCOL
+
+
+
+ArbitartionID:
+|<-- 13 bits -->| |<-- 16 bits -->|
+    COMMAND			  DEVICE_ID
+    ABC					  0x14 6A
+
+
+COMMAND: The Command or data type transfered. -> 2^11 = 2048 Package-Types	
+DEVICE_ID: A unique id for the device within the CAN Network (Home) -> 2^18 bit = 65.536 devices allowed
+
+Packages
+---------------------------------
+0xF00: HELLO->ADOPT
+Payload: 
+	2 bytes | DeviceId -> DeviceId Explicit
+	2 bytes | Byte -> Software-Version (1.0)
+	2 bytes | Byte -> Hw Version (4.0
+	
+0x050: Input Switch Triggered
+ -> Broadcast
+---------------------------------
+Payload:
+	1 byte| PinId -> Id of the pin of the local board.
+	1 byte| State -> 1 for Switched, 0 for Unswitched
+	
+0x055: Command Set Switch
+ -> Broadcast
+---------------------------------
+	2 bytes | TargetDeviceId -> The id of the board
+	1 byte | PinId -> Idof the pin of the board
+	1 byte | state -> 1 to swtich on, 0 to switch off

Software/Switch/Swtich/Swtich.ino

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+#include <SPI.h>;
+#include <mcp2515.h>;
+
+struct can_frame _frame;
+MCP2515 mcp2515(10);
+
+bool flag = false;
+
+
+void setup() {
+  Serial.begin(9600);
+  SPI.begin();
+
+  mcp2515.reset();
+  mcp2515.setBitrate(CAN_500KBPS, MCP_8MHZ); //Sets CAN at speed 500KBPS and Clock 8MHz
+  mcp2515.setNormalMode();
+
+  pinMode(2, OUTPUT);
+  pinMode(3, OUTPUT);
+  pinMode(4, OUTPUT);
+  pinMode(5, OUTPUT);
+  pinMode(6, OUTPUT);
+  pinMode(7, OUTPUT);
+  pinMode(8, OUTPUT);
+  pinMode(9, OUTPUT);
+  pinMode(A3, OUTPUT);
+
+}
+
+int i = 0;
+bool debugState = false;
+
+void SendCanPackage(bool state)
+{
+  _frame.can_id = 0x001;
+  _frame.can_dlc = 4;
+  _frame.data[0] = 5;
+  _frame.data[1] = state;
+  _frame.data[2] = 0x00;
+  _frame.data[3] = 0x00;
+  mcp2515.sendMessage(&_frame);
+
+
+}
+
+void loop() {
+
+  int analogValue = analogRead(A3);
+  if (analogValue > 756 && !debugState)
+  {
+    debugState = true;
+    SendCanPackage(debugState);
+  }
+  if (analogValue < 300 && debugState)
+  {
+    debugState = false;
+    SendCanPackage(debugState);
+
+  }
+
+  if (mcp2515.readMessage(&_frame) == MCP2515::ERROR_OK)
+  {
+    int meyPinId = _frame.data[0];
+    int state = _frame.data[1] > 0;
+    Serial.println("CAN FRAME ------------");
+    Serial.print("0x");
+    Serial.println( _frame.can_id ^ CAN_EFF_FLAG, HEX);
+    Serial.println( _frame.can_dlc);
+
+    for (int i = 0; i < _frame.can_dlc ; i++)
+    {
+      Serial.println( _frame.data[i], HEX);
+    }
+    Serial.println("----------------------");
+
+
+    if (meyPinId == 1)
+    {
+      digitalWrite(2, state);
+    }
+    if (meyPinId == 2)
+    {
+      digitalWrite(3, state);
+    }
+    if (meyPinId == 3)
+    {
+      digitalWrite(4, state);
+    }
+    if (meyPinId == 4)
+    {
+      digitalWrite(5, state);
+    }
+    if (meyPinId == 5)
+    {
+      digitalWrite(6, state);
+    }
+    if (meyPinId == 6)
+    {
+      digitalWrite(7, state);
+    }
+    if (meyPinId == 7)
+    {
+      digitalWrite(8, state);
+    }
+    if (meyPinId == 8)
+    {
+      digitalWrite(9, state);
+    }
+
+
+  }
+
+  delay(20);
+
+}