From 1416a5c1bf6165785a07826708dcb025d3cf5836 Mon Sep 17 00:00:00 2001
From: spaceneedle <spaceneedle@gmail.com>
Date: Sat, 10 Jun 2017 12:40:01 -0500
Subject: [PATCH] Adding App Serial Controller

---
 .../AppSerialController.ino                   | 179 ++++++++++++++++++
 1 file changed, 179 insertions(+)
 create mode 100644 examples/AppSerialController/AppSerialController.ino

diff --git a/examples/AppSerialController/AppSerialController.ino b/examples/AppSerialController/AppSerialController.ino
new file mode 100644
index 0000000..910d8ac
--- /dev/null
+++ b/examples/AppSerialController/AppSerialController.ino
@@ -0,0 +1,179 @@
+/* Hamshield
+ * Example: SerialController
+ * This application is used in conjunction with a computer to provide full serial control of HamShield.
+*/
+
+#include <HamShield.h>
+
+#define PWM_PIN 3
+#define RESET_PIN A3
+#define SWITCH_PIN 2
+
+HamShield radio;
+
+uint8_t freq_buffer[32];
+uint8_t pl_tx_buffer[32];
+uint8_t pl_rx_buffer[32];
+
+void setup() {
+  // NOTE: if not using PWM out, it should be held low to avoid tx noise
+  pinMode(PWM_PIN, OUTPUT);
+  digitalWrite(PWM_PIN, LOW);
+  
+  // prep the switch
+  pinMode(SWITCH_PIN, INPUT_PULLUP);
+  
+  // set up the reset control pin
+  pinMode(RESET_PIN, OUTPUT);
+  digitalWrite(RESET_PIN, HIGH);
+  
+  Serial.begin(9600);
+  Serial.println("If the sketch freezes at radio status, there is something wrong with power or the shield");
+  Serial.print("Radio status: ");
+  int result = radio.testConnection();
+  Serial.println(result,DEC);
+  Serial.println("Setting radio to its defaults..");
+  radio.initialize();
+  radio.setRfPower(0);
+  radio.frequency(146520);
+}
+
+void loop() {
+  if(Serial.available()) { 
+    uint8_t buf = Serial.read();
+    Serial.write(buf);
+    switch (buf) {
+      case 'X':                               // absorb reset command because we are already reset
+        break;
+      case 'F':                               // frequency configuration command
+        tune_freq();  break;
+      case 'P':                               // TX PL Tone configuration command
+        pl_tone_tx();  break;
+      case 'R':                               // RX PL Tone configuration command
+        pl_tone_rx(); break;
+      case 'T':                               // turn on transmitter command
+        tx_on();  break;
+      case 'O':                               // turn off transmitter command
+        tx_off();  break;
+      case 'A':                               // configure amplifier
+        amplifier();  break;
+      case 'D':                               // configure predeemph 
+        predeemph();  break;
+      default:
+        break;
+    }
+  }
+}
+
+void tx_on() { 
+  radio.setModeTransmit();
+  Serial.println("Transmitting");
+}
+
+void tx_off() { 
+  radio.setModeReceive();
+  Serial.println("Transmit off");
+}
+
+void pl_tone_tx() { 
+  Serial.println("TX PL tone");
+  memset(pl_tx_buffer,0,32);
+  uint8_t ptr = 0;
+  while(1) { 
+    if(Serial.available()) { 
+    uint8_t buf = Serial.read();
+    Serial.write(buf);
+    if(buf == 'X') { return; }
+    if(buf == '!') { pl_tx_buffer[ptr] = 0; program_pl_tx(); return; }
+    if(ptr == 31) { return; }
+    pl_tx_buffer[ptr] = buf; ptr++; 
+    }
+  }
+}
+
+void program_pl_tx() { 
+  Serial.print("programming TX PL to ");
+  for(int x = 0; x < 32; x++) {
+  Serial.write(pl_tx_buffer[x]);
+  }
+  long pl_tx = atof(pl_tx_buffer);
+  Serial.print(" Which is FLOAT of ");
+  Serial.println(pl_tx,DEC);
+  radio.setCtcssEncoder(pl_tx);
+}
+
+void pl_tone_rx() { 
+  Serial.println("RX PL tone");
+  memset(pl_rx_buffer,0,32);
+  uint8_t ptr = 0;
+  while(1) { 
+    if(Serial.available()) { 
+    uint8_t buf = Serial.read();
+    Serial.write(buf);
+    if(buf == 'X') { return; }
+    if(buf == '!') { pl_rx_buffer[ptr] = 0; program_pl_rx(); return; }
+    if(ptr == 31) { return; }
+    pl_rx_buffer[ptr] = buf; ptr++; 
+    }
+  }
+}
+
+void program_pl_rx() { 
+  Serial.print("programming RX PL to ");
+  for(int x = 0; x < 32; x++) {
+  Serial.write(pl_rx_buffer[x]);
+  }
+  long pl_rx = atof(pl_rx_buffer);
+  Serial.print(" Which is FLOAT of ");
+  Serial.println(pl_rx,DEC);
+  radio.setCtcssDecoder(pl_rx);
+}
+
+
+
+
+void tune_freq() { 
+  Serial.println("program frequency mode");
+  memset(freq_buffer,0,32);
+  uint8_t ptr = 0;
+  while(1) {
+    if(Serial.available()) { 
+       uint8_t buf = Serial.read();
+       Serial.write(buf);
+       if(buf == 'X') { return; }
+       if(buf == '!') { freq_buffer[ptr] = 0; program_frequency(); return; } 
+       if(buf != '.') { freq_buffer[ptr] = buf; ptr++; } 
+       if(ptr == 31) { return; } 
+    }
+  }
+}
+
+void program_frequency() { 
+  Serial.print("programming frequency to ");
+  for(int x = 0; x < 32; x++) {
+  Serial.write(freq_buffer[x]);
+  }
+  long freq = atol(freq_buffer);
+  Serial.print(" Which is LONG of ");
+  Serial.println(freq,DEC);
+  radio.frequency(freq);
+}
+
+
+void amplifier() {
+   while(1) {
+    if(Serial.available()) { 
+       uint8_t buf = Serial.read();
+       Serial.write(buf);
+       if(buf == 'X') { return; }
+       if(buf != '!') { radio.setRfPower(buf); return; } 
+       if(buf == '!') { return; }
+    }
+  } 
+  
+  
+  } 
+
+void predeemph() { }
+
+