int main(void) {
Config32MHzClock(); // Setup the 32MHz Clock. Should really be using 2MHz...
// Setup output and input ports.
LEDPORT.DIRSET = 0xFF;
LEDPORT.OUT = 0xFF;
AD9835_PORT.DIRCLR = 0x40;
PORTC.DIRSET = 0x04;
// Start up the timer.
init_timer();
sensors.begin();
sensors.requestTemperatures();
// Wait a bit before starting the AD9835.
// It seems to take a few hundred ms to 'boot up' once power is applied.
_delay_ms(500);
// Configure the AD9835, and start in sleep mode.
AD9835_Setup();
AD9835_Sleep();
// Setup the AD9835 for our chosen datamode.
TX_Setup();
AD9835_Awake();
// Broadcast a bit of carrier.
_delay_ms(1000);
TXString("Booting up...\n"); // Kind of like debug lines.
// Start up the GPS RX UART.
init_gps();
// Turn Interrupts on.
PMIC.CTRL = PMIC_HILVLEN_bm | PMIC_LOLVLEN_bm;
sei();
sendNMEA("$PUBX,00"); // Poll the UBlox5 Chip for data.
//TXString("GPS Active, Interrupts On.\n");
int found_sensors = sensors.getDeviceCount();
//sprintf(tx_buffer,"Found %u sensors.\n",found_sensors);
// TXString(tx_buffer);
unsigned int counter = 0; // Init out TX counter.
while(1){
// Identify every few minutes
if ((counter%30 == 0)&&(data_mode != FALLBACK)) TXString("DE VK5VZI Project Horus HAB Launch - projecthorus.org \n");
// Read ADC PortA pin 0, using differential, signed input mode. Negative input comes from pin 1, which is tied to ground. Use VCC/1.6 as ref.
uint16_t temp = readADC();
float bat_voltage = (float)temp * 0.001007572056668* 8.5;
floatToString(bat_voltage,1,voltString);
// Collect GPS data
gps.f_get_position(&lat, &lon);
sats = gps.sats();
if(sats>2){LEDPORT.OUTCLR = 0x80;}
speed = gps.f_speed_kmph();
altitude = (long)gps.f_altitude();
gps.crack_datetime(0, 0, 0, &time[0], &time[1], &time[2]);
floatToString(lat, 5, latString);
floatToString(lon, 5, longString);
sensors.requestTemperatures();
_intTemp = sensors.getTempC(internal);
_extTemp = sensors.getTempC(external);
if (_intTemp!=85 && _intTemp!=127 && _intTemp!=-127 && _intTemp!=999) intTemp = _intTemp;
if (_extTemp!=85 && _extTemp!=127 && _extTemp!=-127 && _extTemp!=999) extTemp = _extTemp;
if(data_mode != FALLBACK){
// Construct our Data String
sprintf(tx_buffer,"$$DARKSIDE,%u,%02d:%02d:%02d,%s,%s,%ld,%d,%d,%d,%d,%s",counter++,time[0], time[1], time[2],latString,longString,altitude,speed,sats,intTemp,extTemp,voltString);
// Calculate the CRC-16 Checksum
char checksum[10];
snprintf(checksum, sizeof(checksum), "*%04X\n", gps_CRC16_checksum(tx_buffer));
// And copy the checksum onto the end of the string.
memcpy(tx_buffer + strlen(tx_buffer), checksum, strlen(checksum) + 1);
}else{
// If our battery is really low, we don't want to transmit much data, so limit what we TX to just an identifier, battery voltage, and our position.
sprintf(tx_buffer, "DE VK5VZI HORUS8 %s %s %s %ld", bat_voltage, latString, longString,altitude);
}
// Blinky blinky...
LEDPORT.OUTTGL = 0x20;
// Transmit!
TXString(tx_buffer);
sendNMEA("$PUBX,00"); // Poll the UBlox5 Chip for data again.
/*
// Check the battery voltage. If low, switch to a more reliable mode.
if((bat_voltage < BATT_THRESHOLD) && (data_mode != RELIABLE_MODE)){
new_mode = RELIABLE_MODE;
// This string should be changed if the 'reliable' mode is changed.
TXString("Battery Voltage Below 9V. Switching to DominoEX8.\n");
}
*/
// Perform a mode switch, if required.
// Done here to allow for mode changes to occur elsewhere.
if(new_mode != -1){
data_mode = new_mode;
TX_Setup();
new_mode = -1;
}
// And wait a little while before sending the next string.
// Don't delay for domino - synch stuffs up otherwise
if(data_mode != DOMINOEX8){
_delay_ms(1000);
}
}
}
void loop() {
LED_Status(LED_GREEN,0);
if (Serial.available()) {
readCommand();
// "command" now contains the full command
commandClean[0]='\0';
int i = 0;
int j = 0;
while (command[i] != '\n' && i<128 && j<60){
if (command[i] != char(32)){
commandClean[j] = command[i];
j++;
}
i++;
}
commandClean[j] = '\n';
// Send to transmitter
LED_Status(LED_GREEN,0);
unsigned int CHECKSUM = gps_CRC16_checksum(commandClean); // Calculates the checksum for this datastring
char checksum_str[6];
sprintf(checksum_str, "*%04X\n", CHECKSUM);
strcat(commandClean,checksum_str);
Serial.println(commandClean);
rtty_txstring (commandClean);
LED_Status(LED_OFF,0);
// Send to Mobile Phone
unsigned long m = millis();
if ((m - gblSMSElapsed) > WAIT_SMS) {
if (glb_phone_trans == LOW){
// Send to mobile phone
mobPhone.println(PHONE_AT); // wakes up phone
LED_Status(LED_GREEN,250);
LED_Status(LED_OFF,250);
mobPhone.println(PHONE_DELETE_SMS); // deletes message at index of 1
LED_Status(LED_GREEN,250);
LED_Status(LED_OFF,250);
mobPhone.println(PHONE_SET_SMS_TXT_MODE_COMMAND); // Puts phone into SMS mode
LED_Status(LED_GREEN,250);
LED_Status(LED_OFF,500);
mobPhone.println(PHONE_SMS_NUMBER); // My number
LED_Status(LED_GREEN,250);
LED_Status(LED_OFF,500);
mobPhone.print(commandClean); //data
mobPhone.write(byte(26)); // (signals end of message)
LED_Status(LED_GREEN,250);
LED_Status(LED_OFF,500);
mobPhone.println(PHONE_SEND_SMS); // Sends message at index of 1
}
gblSMSElapsed = millis();
}
} else {
LED_Status(LED_OFF,0);
LED_Status(LED_GREEN,500);
}
phoneTX();
LED_Status(LED_OFF,0);
}
