*/
-// This is where we go after reset.
-int main(int argc, char **argv)
+static void
+audio_gap(int secs)
{
- uint8_t utcSeconds, lockLostCounter;
-
-//test();
-
- // Configure the basic systems.
-// sysInit();
+ int samples = secs * 9600;
- // Wait for the power converter chains to stabilize.
-// delay_ms (100);
+ while (samples--)
+ putchar(0x7f);
+}
- // Setup the subsystems.
-// adcInit();
-// flashInit();
+// This is where we go after reset.
+int main(int argc, char **argv)
+{
gpsInit();
-// logInit();
-// timeInit();
-// serialInit();
tncInit();
- // Program the DDS.
-// ddsInit();
+ audio_gap(1);
- // Transmit software version packet on start up.
+ /* Transmit one packet */
tncTxPacket(TNC_MODE_1200_AFSK);
exit(0);
- // Counters to send packets if the GPS time stamp is not available.
- lockLostCounter = 5;
- utcSeconds = 55;
-
- // This is the main loop that process GPS data and waits for the once per second timer tick.
- for (;;)
- {
- // Read the GPS engine serial port FIFO and process the GPS data.
-// gpsUpdate();
-
- if (gpsIsReady())
- {
- // Start the flight timer when we get a valid 3D fix.
- if (gpsGetFixType() == GPS_3D_FIX)
- timeSetRunFlag();
-
- // Generate our packets based on the GPS time.
- if (tncIsTimeSlot(gpsPosition.seconds))
- tncTxPacket(TNC_MODE_1200_AFSK);
-
- // Sync the internal clock to GPS UTC time.
- utcSeconds = gpsPosition.seconds;
-
- // This counter is reset every time we receive the GPS message.
- lockLostCounter = 0;
-
- // Log the data to flash.
-// sysLogGPSData();
- } // END if gpsIsReady
-
- // Processing that occurs once a second.
- if (timeIsUpdate())
- {
- // We maintain the UTC time in seconds if we shut off the GPS engine or it fails.
- if (++utcSeconds == 60)
- utcSeconds = 0;
-
- // If we loose information for more than 5 seconds,
- // we will determine when to send a packet based on internal time.
- if (lockLostCounter == 5)
- {
- if (tncIsTimeSlot(utcSeconds))
- tncTxPacket(TNC_MODE_1200_AFSK);
- } else
- ++lockLostCounter;
-
- // Update the ADC filters.
-// adcUpdate();
-
- if (timeHours == 5 && timeMinutes == 0 && timeSeconds == 0)
- gpsPowerOff();
-
- } // END if timeIsUpdate
-
- } // END for
}