Merge pull request #170 from capboyaryan/in_865

Adding support for IN_865

src/arduino-rfm/Config.h

@@ -7,12 +7,13 @@
 //#define EU_868
 //#define US_915
 //#define AU_915
+#define IN_865
 
 // Define max payload size used for this node
 #define MAX_UPLINK_PAYLOAD_SIZE 220
 #define MAX_DOWNLINK_PAYLOAD_SIZE 220
 
-#if !defined(AS_923) && !defined(AS_923_2) && !defined(EU_868) && !defined(US_915) && !defined(AU_915)
+#if !defined(AS_923) && !defined(AS_923_2) && !defined(EU_868) && !defined(US_915) && !defined(AU_915) &&!defined(IN_865)
 #define US_915  // Define default Region
 #endif
 

src/arduino-rfm/LoRaMAC.cpp

@@ -77,6 +77,8 @@ void LORA_Cycle(sBuffer *Data_Tx, sBuffer *Data_Rx, RFM_command_t *RFM_Command,
     unsigned char rx1_dr = LoRa_Settings->Datarate_Tx+10;
 	#elif defined(EU_868)   
     unsigned char rx1_dr = LoRa_Settings->Datarate_Tx;
+	#elif defined(IN_865)
+	unsigned char rx1_dr = LoRa_Settings->Datarate_Tx;
 	#else // AS_923 and AS_923_2
 	unsigned char rx1_dr = LoRa_Settings->Datarate_Tx;
 	#endif
@@ -103,6 +105,9 @@ void LORA_Cycle(sBuffer *Data_Tx, sBuffer *Data_Rx, RFM_command_t *RFM_Command,
 			#elif defined(EU_868)
 			LoRa_Settings->Channel_Rx = CHRX2;    // set Rx2 channel 923.3 MHZ 
 			LoRa_Settings->Datarate_Rx = SF12BW125;   //set RX2 datarate 12
+			#elif defined(IN_865)
+			LoRa_Settings->Channel_Rx = CHRX2;    // set Rx2 channel 866.550 MHZ 
+			LoRa_Settings->Datarate_Rx = SF10BW125;   //set RX2 datarate 10
 			#elif defined(AS_923) || defined(AS_923_2)
 			LoRa_Settings->Channel_Rx = 0x00;    // set Rx2 channel 923.2 (AS_923) or 921.4 (AS_923_2)
 			LoRa_Settings->Datarate_Rx = SF10BW125;   //set RX2 datarate 10
@@ -141,6 +146,9 @@ void LORA_Cycle(sBuffer *Data_Tx, sBuffer *Data_Rx, RFM_command_t *RFM_Command,
 			#elif defined(EU_868)
 			LoRa_Settings->Channel_Rx = CHRX2;    // set Rx2 channel 923.3 MHZ 
 			LoRa_Settings->Datarate_Rx = SF12BW125;   //set RX2 datarate 12
+			#elif defined(IN_865)
+			LoRa_Settings->Channel_Rx = CHRX2;    // set Rx2 channel 866.550 MHZ 
+			LoRa_Settings->Datarate_Rx = SF10BW125;   //set RX2 datarate 10
 			#elif defined(AS_923) || defined(AS_923_2)
 			LoRa_Settings->Channel_Rx = 0x00;    // set Rx2 channel 923.2 (AS_923) or 921.4 (AS_923_2)
 			LoRa_Settings->Datarate_Rx = SF10BW125;   //set RX2 datarate 10
@@ -166,6 +174,9 @@ void LORA_Cycle(sBuffer *Data_Tx, sBuffer *Data_Rx, RFM_command_t *RFM_Command,
 		#elif defined(EU_868)
 		LoRa_Settings->Channel_Rx = CHRX2;    // set Rx2 channel 923.3 MHZ 
 		LoRa_Settings->Datarate_Rx = SF12BW125;   //set RX2 datarate 12
+		#elif defined(IN_865)
+		LoRa_Settings->Channel_Rx = CHRX2;    // set Rx2 channel 866.550 MHZ 
+		LoRa_Settings->Datarate_Rx = SF10BW125;   //set RX2 datarate 10
 		#elif defined(AS_923) || defined(AS_923_2)
 		LoRa_Settings->Channel_Rx = 0x00;    // set Rx2 channel 923.2 (AS_923) or 921.4 (AS_923_2)
 		LoRa_Settings->Datarate_Rx = SF10BW125;   //set RX2 datarate 10

src/arduino-rfm/RFM95.cpp

@@ -270,6 +270,13 @@
     { 0xD8, 0xF9, 0xBE }, //Channel [7], 867.9 MHz / 61.035 Hz = 14219710 = 0xD8F9BE
     { 0xD9, 0x61, 0xBE }, // RX2 Receive channel 869.525 MHz / 61.035 Hz = 14246334 = 0xD961BE    
   };
+#elif defined(IN_865)
+  static const PROGMEM unsigned char LoRa_Frequency[4][3] = {
+    { 0xD8, 0x44, 0x24 }, //Channel [0], 865.0625 MHz / 61.035 Hz = 14173220 = 0xD84424
+    { 0xD8, 0x59, 0xE7 }, //Channel [1], 865.4025 MHz / 61.035 Hz = 14178791 = 0xD859E7
+    { 0xD8, 0x7F, 0x2F }, //Channel [2], 865.9850 MHz / 61.035 Hz = 14188335 = 0xD87F2F
+    { 0xD8, 0xA3, 0x58 }, // RX2 Receive channel 866.550 MHz / 61.035 Hz = 14197592 = 0xD8A358
+  };
 #endif
 
 /*
@@ -326,7 +333,7 @@ static void RFM_change_SF_BW(unsigned char _SF, unsigned char _BW)
 	RFM_Write(RFM_REG_MODEM_CONFIG2, (_SF << 4) | 0b0100); //SFx CRC On
 	RFM_Write(RFM_REG_MODEM_CONFIG1,(_BW << 4) | 0x02); //x kHz 4/5 coding rate explicit header mode
 
-  #ifdef EU_868
+  #if defined(EU_868) || defined(IN_865)
   if(_SF>10)
     RFM_Write(RFM_REG_MODEM_CONFIG3, 0b1100); //Low datarate optimization on AGC auto on 
   else
@@ -418,6 +425,27 @@ static void RFM_Change_Datarate(unsigned char Datarate)
     RFM_change_SF_BW(7,0x09);
     break;
   }
+#elif defined(IN_865)
+  switch (Datarate) {
+  case 0x00:  // SF12BW125
+    RFM_change_SF_BW(12,0x07);
+    break;
+  case 0x01:  // SF11BW125
+    RFM_change_SF_BW(11,0x07);
+    break;
+  case 0x02:  // SF10BW125
+    RFM_change_SF_BW(10,0x07);
+    break;
+  case 0x03:  // SF9BW125
+    RFM_change_SF_BW(9,0x07);
+    break;
+  case 0x04:  // SF8BW125
+    RFM_change_SF_BW(8,0x07);
+    break;
+  case 0x05:  // SF7BW125
+    RFM_change_SF_BW(7,0x07);
+    break;
+  }
 #else //EU_868 or AS_923 or AS_923_2
   switch (Datarate) {
   case 0x00:  // SF12BW125
@@ -466,6 +494,10 @@ static void RFM_Change_Channel(unsigned char Channel)
   if (Channel <= 0x08) 
     for(unsigned char i = 0 ; i < 3 ; ++i)
       RFM_Write(RFM_REG_FR_MSB + i, pgm_read_byte(&(LoRa_Frequency[Channel][i])));  
+#elif defined(IN_865)
+  if( Channel <= 0x03)
+    for(unsigned char i = 0 ; i < 3 ; ++i)
+      RFM_Write(RFM_REG_FR_MSB + i, pgm_read_byte(&(LoRa_Frequency[Channel][i]))); 
 #else   //US915 or AU_915
   if (Channel <= 0x07)
     for(unsigned char i = 0 ; i < 3 ; ++i)
@@ -711,9 +743,12 @@ void RFM_Continuous_Receive(sSettings *LoRa_Settings)
 
 	//Change Datarate and channel.
   // This depends on regional parameters
-#ifdef EU_868
+#if defined(EU_868)
   RFM_Change_Datarate(SF12BW125);
   RFM_Change_Channel(CHRX2);
+#elif defined(IN_865)
+  RFM_Change_Datarate(SF10BW125);
+  RFM_Change_Channel(CHRX2);
 #else
   //Datarate for downlink should be 8 but testing on 10
   //LoRa_Settings->Datarate_Rx=10;

src/arduino-rfm/Struct.h

@@ -100,13 +100,17 @@ typedef enum {
   CH0 = 0,
   CH1 = 1,
   CH2 = 2,
+#ifndef IN_865 //IN_865 only supports 3 channels
   CH3 = 3,
   CH4 = 4,
   CH5 = 5,
   CH6 = 6,
   CH7 = 7,
+#endif
 #ifdef EU_868
   CHRX2 = 8,
+#elif defined(IN_865)
+  CHRX2 = 3,
 #else
   CH8 = 8,
 #endif
@@ -158,6 +162,13 @@ typedef enum {
     SF8BW125    = 0x04,
     SF7BW125    = 0x05,
     SF7BW250    = 0x06
+#elif defined(IN_865)
+    SF12BW125   = 0x00,
+    SF11BW125   = 0x01,
+    SF10BW125   = 0x02,
+    SF9BW125    = 0x03,
+    SF8BW125    = 0x04,
+    SF7BW125    = 0x05
 #endif
 } dataRates_t;
 

src/arduino-rfm/lorawan-arduino-rfm.cpp

@@ -88,6 +88,8 @@ bool LoRaWANClass::init(void)
     LoRa_Settings.Datarate_Rx = 0x02; //set to SF10 BW 125 kHz
 #elif defined(EU_868)
     LoRa_Settings.Datarate_Rx = 0x03;                //set to SF9 BW 125 kHz
+#elif defined(IN_865)
+    LoRa_Settings.Datarate_Rx = 0x02;               //set to SF10 BW 125 kHz
 #else //US_915 or AU_915
     LoRa_Settings.Datarate_Rx = 0x0C;                //set to SF8 BW 500 kHz
 #endif
@@ -347,6 +349,8 @@ void LoRaWANClass::setChannel(unsigned char channel)
         LoRa_Settings.Channel_Rx = channel + 0x08;
 #elif defined(EU_868)
         LoRa_Settings.Channel_Rx = channel;
+#elif defined(IN_865)
+        LoRa_Settings.Channel_Rx = channel;
 #elif defined(AS_923) || defined(AS_923_2)
         LoRa_Settings.Channel_Rx = channel;
 #endif
@@ -468,6 +472,9 @@ void LoRaWANClass::randomChannel()
 #elif defined(EU_868)    
     freq_idx = random(0,8);
     LoRa_Settings.Channel_Rx=freq_idx;      // same rx and tx channel 
+#elif defined(IN_865)
+    freq_idx = random(0,3);
+    LoRa_Settings.Channel_Rx=freq_idx;      // same rx and tx channel 
 #else // US_915 or AU_915
     freq_idx = random(0, 8);
     LoRa_Settings.Channel_Rx = freq_idx + 0x08;