Final touch : Adding Dorji to GPS Beacon

Author: handiko

Arduino-Sketches/Test/APRS_GPS_GPRMC/APRS_GPS_GPRMC.ino

@@ -19,7 +19,7 @@
 #include <SoftwareSerial.h>
 
 // Defines the Square Wave Output Pin
-#define OUT_PIN 2
+#define OUT_PIN 12
 
 #define _1200 1
 #define _2400 0
@@ -37,6 +37,16 @@
 #define _FIXPOS_STATUS 4
 #define _STATUS 5
 
+// Defines the Dorji Control PIN
+#define _PTT 7
+#define _PD 6
+#define _POW 5
+
+#define DRJ_TXD 10
+#define DRJ_RXD 11
+
+SoftwareSerial dorji(DRJ_RXD, DRJ_TXD);
+
 bool nada = _2400;
 
 /*
@@ -405,7 +415,10 @@ void send_packet(char packet_type)
 {
  print_debug(packet_type);
 
- digitalWrite(LED_BUILTIN, 1);
+ digitalWrite(LED_BUILTIN, HIGH);
+ digitalWrite(_PTT, HIGH);
+
+ delay(100);
 
  /*
  * AX25 FRAME
@@ -429,6 +442,7 @@ void send_packet(char packet_type)
  send_crc();
  send_flag(3);
 
+ digitalWrite(_PTT, LOW);
  digitalWrite(LED_BUILTIN, 0);
 }
 
@@ -538,8 +552,18 @@ void set_io(void)
  pinMode(LED_BUILTIN, OUTPUT);
  pinMode(OUT_PIN, OUTPUT);
 
+ pinMode(DRJ_RXD, INPUT);
+ pinMode(DRJ_TXD, OUTPUT);
+ pinMode(_PTT, OUTPUT);
+ pinMode(_PD, OUTPUT);
+ pinMode(_POW, OUTPUT);
+
+ digitalWrite(_PTT, LOW);
+ digitalWrite(_PD, HIGH);
+ digitalWrite(_POW, LOW);
+
  Serial.begin(115200);
- gps.begin(9600);
+ dorji.begin(9600);
 }
 
 void print_code_version(void)
@@ -623,13 +647,66 @@ void print_debug(char type)
  Serial.end();
 }
 
+/*
+ * 
+ */
+void dorji_init(SoftwareSerial &ser)
+{
+ ser.println("AT+DMOCONNECT");
+}
+
+void dorji_reset(SoftwareSerial &ser)
+{
+ for(char i=0;i<3;i++)
+ ser.println("AT+DMOCONNECT");
+}
+
+void dorji_setfreq(float txf, float rxf, SoftwareSerial &ser)
+{
+ ser.print("AT+DMOSETGROUP=0,");
+ ser.print(txf, 4);
+ ser.print(',');
+ ser.print(rxf, 4);
+ ser.println(",0000,0,0000");
+}
+
+void dorji_readback(SoftwareSerial &ser)
+{
+ String d;
+ 
+ while(ser.available() < 1);
+ if(ser.available() > 0)
+ {
+ d = ser.readString();
+ Serial.print(d);
+ }
+}
+
+void dorji_close(SoftwareSerial &ser)
+{
+ ser.end();
+}
+
 /*
  * 
  */
 void setup()
 {
  set_io();
  print_code_version();
+
+ delay(250);
+ 
+ dorji_reset(dorji);
+ dorji_readback(dorji);
+ delay(1000);
+ dorji_setfreq(144.390, 144.390, dorji);
+ dorji_readback(dorji);
+
+ Serial.println(' ');
+
+ dorji_close(dorji);
+ gps.begin(9600);
 }
 
 void loop()