first commit

SOMFY_433_42/SOMFY_433_42.ino

@@ -0,0 +1,412 @@
+#include <EEPROM.h>
+  
+#define PORT_TX 5
+#define SYMBOL 640
+#define HAUT 0x2
+#define STOP 0x1
+#define BAS 0x4
+#define PROG 0x8
+#define EEPROM_ADDRESS 0
+#define VERSION 1
+ 
+  
+byte frame[7];
+byte checksum;
+  
+struct Remote
+{
+  unsigned long remoteID;
+  unsigned int rollingCode;
+};
+  
+struct SomfyController  
+{
+  int appVersion; 
+  Remote remotes[4];
+};
+  
+SomfyController somfyControllers;
+  
+Remote newRemotes [4] = {
+  {0x123456, 0},
+  {0x123457, 0},
+  {0x123458, 0},
+  {0x123459, 0}
+};
+  
+void BuildFrame(unsigned long remoteID, unsigned int rollingCode, byte *frame, byte button);
+void SendCommand(byte *frame, byte sync);
+
+void setup()  
+{
+  Serial.begin(115200); 
+  DDRD |= 1<<PORT_TX;
+  PORTD &= !(1<<PORT_TX);
+
+  EEPROM.get(EEPROM_ADDRESS, somfyControllers);
+
+  if (somfyControllers.appVersion < VERSION) 
+  {
+    Serial.println("La version de l'application en mémoire n'est pas dans la bonne version ou la mémoire est vide");
+    somfyControllers.appVersion = VERSION;  
+    memcpy(&somfyControllers.remotes, &newRemotes, sizeof(newRemotes));
+    
+    EEPROM.put(EEPROM_ADDRESS, somfyControllers);
+  
+  }
+
+  for (int i = 0; i < (sizeof(somfyControllers.remotes) / sizeof(Remote)); i++)
+  {
+    Remote currentRemote = somfyControllers.remotes[i];
+  
+    Serial.print("Commande ["); Serial.print(i); Serial.println("]");
+  
+    Serial.print("\tID de la commande : "); Serial.println(currentRemote.remoteID, HEX);
+  
+    Serial.print("\tCompteur actuel : "); Serial.println(currentRemote.rollingCode);
+  
+  }
+  
+}
+  
+ 
+  
+void loop()
+  
+{
+  
+  if (Serial.available())
+  
+  {
+  
+    String data = "";
+  
+    
+  
+    while (Serial.available())
+  
+    {
+  
+      char c = Serial.read();
+  
+      data += String(c);
+  
+      delay(10);
+  
+    }
+  
+ 
+  
+    char serie = data[0];
+  
+ 
+  
+    for (int i = 1; i < data.length(); i++)
+  
+    {
+  
+      char cRemotePosition = data[i];
+  
+      
+  
+      int remotePosition = cRemotePosition - '0';
+  
+      Serial.print("Commande "); Serial.println(remotePosition);
+  
+ 
+  
+      Remote remote = somfyControllers.remotes[remotePosition];
+  
+      unsigned long remoteID = remote.remoteID;
+  
+      unsigned int rollingCode = remote.rollingCode;
+  
+      
+  
+      Serial.println("");
+  
+      if (serie == 'm')
+  
+      {
+  
+        Serial.println("Monte");
+  
+        BuildFrame(remoteID, rollingCode, frame, HAUT);
+  
+      }
+  
+      else if (serie == 's')
+  
+      {
+  
+        Serial.println("Stop");
+  
+        BuildFrame(remoteID, rollingCode, frame, STOP);
+  
+      }
+  
+      else if (serie == 'd')
+  
+      {
+  
+        Serial.println("Descend");
+  
+        BuildFrame(remoteID, rollingCode, frame, BAS);
+  
+      }
+  
+      else if (serie == 'p')
+  
+      {
+  
+        Serial.println("Prog");
+  
+        BuildFrame(remoteID, rollingCode, frame, PROG);
+  
+      }
+  
+      else
+  
+      {
+  
+        Serial.println("Code custom");
+  
+        BuildFrame(remoteID, rollingCode, frame, serie);
+  
+      }
+  
+  
+  
+      Serial.println("");
+  
+      SendCommand(frame, 2);
+  
+      for (int i = 0; i < 2; i++)
+  
+      {
+  
+        SendCommand(frame, 7);
+  
+      }
+  
+  
+  
+      //Incrémente le compteur et le sauvegarde en mémoire
+  
+      somfyControllers.remotes[remotePosition].rollingCode++;
+  
+      EEPROM.put(EEPROM_ADDRESS, somfyControllers);
+  
+    }
+  
+  }
+  
+}
+  
+ 
+  
+ 
+  
+void BuildFrame(unsigned long remoteID, unsigned int rollingCode, byte *frame, byte button)
+  
+{
+  
+  frame[0] = 0xA7;
+  
+  frame[1] = button << 4;
+  
+  frame[2] = rollingCode >> 8;
+  
+  frame[3] = rollingCode;
+  
+  frame[4] = remoteID >> 16;
+  
+  frame[5] = remoteID >>  8;
+  
+  frame[6] = remoteID;
+  
+ 
+  
+  Serial.print("Frame         : ");
+  
+  for (byte i = 0; i < 7; i++)
+  
+  {
+  
+    if (frame[i] >> 4 == 0)
+  
+    {
+  
+      Serial.print("0");
+  
+    }
+  
+    Serial.print(frame[i], HEX); Serial.print(" ");
+  
+  }
+  
+ 
+  
+  checksum = 0;
+  
+  for (byte i = 0; i < 7; i++)
+  
+  {
+  
+    checksum = checksum ^ frame[i] ^ (frame[i] >> 4);
+  
+  }
+  
+  checksum &= 0b1111;
+  
+ 
+  
+  frame[1] |= checksum;
+  
+ 
+  
+ 
+  
+  Serial.println(""); Serial.print("Avec checksum : ");
+  
+  for (byte i = 0; i < 7; i++)
+  
+  {
+  
+    if (frame[i] >> 4 == 0)
+  
+    {
+  
+      Serial.print("0");
+  
+    }
+  
+    Serial.print(frame[i], HEX); Serial.print(" ");
+  
+  }
+  
+ 
+  
+  for (byte i = 1; i < 7; i++)
+  
+  {
+  
+    frame[i] ^= frame[i-1];
+  
+  }
+  
+ 
+  
+  Serial.println(""); Serial.print("Obfuscation    : ");
+  
+  for (byte i = 0; i < 7; i++)
+  
+  {
+  
+    if (frame[i] >> 4 == 0)
+  
+    {
+  
+      Serial.print("0");
+  
+    }
+  
+    Serial.print(frame[i], HEX); Serial.print(" ");
+  
+  }
+  
+  Serial.println("");
+  
+  Serial.print("Compteur  : "); Serial.println(rollingCode);
+  
+}
+  
+ 
+  
+void SendCommand(byte *frame, byte sync)
+  
+{
+  
+  if (sync == 2)
+  
+  {
+  
+    PORTD |= 1<<PORT_TX;
+  
+    delayMicroseconds(9415);
+  
+    PORTD &= !(1<<PORT_TX);
+  
+    delayMicroseconds(89565);
+  
+  }
+  
+ 
+  
+  for (int i = 0; i < sync; i++)
+  
+  {
+  
+    PORTD |= 1<<PORT_TX;
+  
+    delayMicroseconds(4*SYMBOL);
+  
+    PORTD &= !(1<<PORT_TX);
+  
+    delayMicroseconds(4*SYMBOL);
+  
+  }
+  
+ 
+  
+  PORTD |= 1<<PORT_TX;
+  
+  delayMicroseconds(4550);
+  
+  PORTD &= !(1<<PORT_TX);
+  
+  delayMicroseconds(SYMBOL);
+  
+  
+  
+  for (byte i = 0; i < 56; i++)
+  
+  {
+  
+    if (((frame[i/8] >> (7 - (i%8))) & 1) == 1)
+  
+    {
+  
+      PORTD &= !(1<<PORT_TX);
+  
+      delayMicroseconds(SYMBOL);
+  
+      PORTD ^= 1<<PORT_TX;
+  
+      delayMicroseconds(SYMBOL);
+  
+    }
+  
+    else
+  
+    {
+  
+      PORTD |= (1<<PORT_TX);
+  
+      delayMicroseconds(SYMBOL);
+  
+      PORTD ^= 1<<PORT_TX;
+  
+      delayMicroseconds(SYMBOL);
+  
+    }
+  
+  }
+  
+  
+  
+  PORTD &= !(1<<PORT_TX);
+  
+  delayMicroseconds(30415);
+  
+}