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Updated AFSK with print routine, use new delay line. AX25 receive tune to APRS.

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This commit is contained in:
Stephen Olesen
2015-07-10 11:58:37 -06:00
parent 888cf9d9fd
commit cf93050e52
3 changed files with 81 additions and 24 deletions
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59
examples/AX25Receive/AX25Receive.ino
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@@ -2,29 +2,44 @@
#include <HamShield.h>
#include <Wire.h>
//#include <LiquidCrystal_I2C.h>
//LiquidCrystal_I2C lcd(0x27,16,2);
HamShield radio;
DDS dds;
volatile uint8_t adcMax=0, adcMin=255;
void setup() {
Serial.begin(9600);
Wire.begin();
pinMode(2, OUTPUT);
pinMode(3, OUTPUT);
/*lcd.init();
lcd.setCursor(0,0);
lcd.print(F("RSSI:"));
lcd.setCursor(0,1);
lcd.print(F("ADC:"));*/
Serial.println(F("Radio test connection"));
Serial.println(radio.testConnection(), DEC);
Serial.println(F("Initialize"));
delay(100);
radio.initialize();
radio.frequency(144390);
radio.setVHF();
radio.setSQOff();
I2Cdev::writeWord(A1846S_DEV_ADDR_SENLOW, 0x30, 0x06);
I2Cdev::writeWord(A1846S_DEV_ADDR_SENLOW, 0x30, 0x26);
I2Cdev::writeWord(A1846S_DEV_ADDR_SENLOW, 0x44, 0b11111111);
Serial.println(F("Frequency"));
delay(100);
// radio.setVHF();
// radio.setRfPower(0);
// radio.setModeReceive();
radio.setVolume1(0xFF);
radio.setVolume2(0xFF);
radio.frequency(145050);
Serial.print(F("Squelch(H/L): "));
Serial.print(radio.getSQHiThresh());
Serial.print(F(" / "));
Serial.println(radio.getSQLoThresh());
radio.setModeReceive();
Serial.print(F("RX? "));
Serial.println(radio.getRX());
Serial.println(F("DDS Start"));
delay(100);
dds.start();
@@ -35,26 +50,38 @@ void setup() {
pinMode(11, INPUT); // Bodge for now, as pin 3 is hotwired to pin 11
delay(100);
dds.setAmplitude(255);
//lcd.backlight();
}
uint32_t last = 0;
void loop() {
if(radio.afsk.decoder.read() || radio.afsk.rxPacketCount()) {
// A true return means something was put onto the packet FIFO
Serial.println("Packet");
// If we actually have data packets in the buffer, process them all now
while(radio.afsk.rxPacketCount()) {
AFSK::Packet *packet = radio.afsk.getRXPacket();
Serial.print(F("Packet: "));
if(packet) {
for(unsigned short i = 0; i < packet->len; ++i)
Serial.write((uint8_t)packet->getByte());
packet->print(&Serial);
AFSK::PacketBuffer::freePacket(packet);
}
}
Serial.println("");
}
/*if(last < millis()) {
Serial.println(radio.readRSSI());
last = millis()+1000;
/* if(last < millis()) {
uint16_t buf;
lcd.setCursor(6,0);
lcd.print(radio.readRSSI());
lcd.print(F(" "));
lcd.setCursor(6,1);
lcd.print(adcMax);
lcd.print(F(" / "));
lcd.print(adcMin);
lcd.print(F(" "));
lcd.setCursor(11,0);
lcd.print(radio.afsk.decoder.isReceiving());
adcMin=255; adcMax=0;
last = millis()+100;
}*/
}
@@ -74,6 +101,12 @@ ISR(ADC_vect) {
PORTD |= _BV(2); // Diagnostic pin (D2)
//dds.clockTick();
radio.afsk.timer();
if(ADCH>adcMax) {
adcMax = ADCH;
}
if(ADCH<adcMin) {
adcMin = ADCH;
}
PORTD &= ~(_BV(2)); // Pin D2 off again
}