113 lines
2.8 KiB
C++
113 lines
2.8 KiB
C++
#define DDS_REFCLK_DEFAULT 9600
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#include <HamShield.h>
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#include <Wire.h>
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//#include <LiquidCrystal_I2C.h>
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//LiquidCrystal_I2C lcd(0x27,16,2);
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HamShield radio;
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DDS dds;
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volatile uint8_t adcMax=0, adcMin=255;
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void setup() {
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Serial.begin(9600);
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Wire.begin();
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pinMode(2, OUTPUT);
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pinMode(3, OUTPUT);
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/*lcd.init();
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lcd.setCursor(0,0);
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lcd.print(F("RSSI:"));
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lcd.setCursor(0,1);
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lcd.print(F("ADC:"));*/
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Serial.println(F("Radio test connection"));
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Serial.println(radio.testConnection(), DEC);
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Serial.println(F("Initialize"));
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delay(100);
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radio.initialize();
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radio.frequency(144390);
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radio.setVHF();
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radio.setSQOff();
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I2Cdev::writeWord(A1846S_DEV_ADDR_SENLOW, 0x30, 0x06);
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I2Cdev::writeWord(A1846S_DEV_ADDR_SENLOW, 0x30, 0x26);
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I2Cdev::writeWord(A1846S_DEV_ADDR_SENLOW, 0x44, 0b11111111);
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Serial.println(F("Frequency"));
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delay(100);
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Serial.print(F("Squelch(H/L): "));
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Serial.print(radio.getSQHiThresh());
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Serial.print(F(" / "));
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Serial.println(radio.getSQLoThresh());
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radio.setModeReceive();
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Serial.print(F("RX? "));
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Serial.println(radio.getRX());
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Serial.println(F("DDS Start"));
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delay(100);
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dds.start();
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Serial.println(F("AFSK start"));
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delay(100);
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radio.afsk.start(&dds);
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Serial.println(F("Starting..."));
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pinMode(11, INPUT); // Bodge for now, as pin 3 is hotwired to pin 11
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delay(100);
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dds.setAmplitude(255);
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//lcd.backlight();
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}
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uint32_t last = 0;
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void loop() {
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if(radio.afsk.decoder.read() || radio.afsk.rxPacketCount()) {
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// A true return means something was put onto the packet FIFO
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// If we actually have data packets in the buffer, process them all now
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while(radio.afsk.rxPacketCount()) {
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AFSK::Packet *packet = radio.afsk.getRXPacket();
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Serial.print(F("Packet: "));
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if(packet) {
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packet->print(&Serial);
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AFSK::PacketBuffer::freePacket(packet);
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}
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}
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Serial.println("");
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}
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/* if(last < millis()) {
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uint16_t buf;
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lcd.setCursor(6,0);
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lcd.print(radio.readRSSI());
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lcd.print(F(" "));
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lcd.setCursor(6,1);
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lcd.print(adcMax);
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lcd.print(F(" / "));
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lcd.print(adcMin);
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lcd.print(F(" "));
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lcd.setCursor(11,0);
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lcd.print(radio.afsk.decoder.isReceiving());
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adcMin=255; adcMax=0;
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last = millis()+100;
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}*/
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}
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/*ISR(TIMER2_OVF_vect) {
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TIFR2 = _BV(TOV2);
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static uint8_t tcnt = 0;
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if(++tcnt == 8) {
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digitalWrite(2, HIGH);
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dds.clockTick();
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digitalWrite(2, LOW);
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tcnt = 0;
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}
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}*/
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ISR(ADC_vect) {
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static uint8_t tcnt = 0;
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TIFR1 = _BV(ICF1); // Clear the timer flag
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PORTD |= _BV(2); // Diagnostic pin (D2)
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//dds.clockTick();
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radio.afsk.timer();
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if(ADCH>adcMax) {
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adcMax = ADCH;
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}
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if(ADCH<adcMin) {
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adcMin = ADCH;
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}
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PORTD &= ~(_BV(2)); // Pin D2 off again
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}
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