*
*/
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <stdint.h>
-#include <stdarg.h>
+#ifndef AO_APRS_TEST
+#include <ao.h>
+#endif
+
#include <ao_aprs.h>
typedef int bool_t;
*/
void ddsSetFTW (uint32_t ftw)
{
- static int id;
int x = ftw - freqTable[0];
- putchar (x > 0 ? 0xff : 0x0);
-// printf ("%d %d\n", id++, x > 0 ? 1 : 0);
+ putchar (x > 0 ? 0xc0 : 0x40);
}
/**
// FSK tones at 445.947 and 445.953 MHz
ddsSetFSKFreq (955382980, 955453621);
break;
+ case TNC_MODE_STANDBY:
+ break;
} // END switch
tncDataMode = dataMode;
case TNC_TX_SYNC:
// The variable tncShift contains the lastest data byte.
// NRZI enocde the data stream.
- if ((tncShift & 0x01) == 0x00)
+ if ((tncShift & 0x01) == 0x00) {
if (tncTxBit == 0)
tncTxBit = 1;
else
tncTxBit = 0;
+ }
// When the flag is done, determine if we need to send more or data.
if (++tncBitCount == 8)
// The variable tncShift contains the lastest data byte.
// NRZI enocde the data stream.
- if ((tncShift & 0x01) == 0x00)
+ if ((tncShift & 0x01) == 0x00) {
if (tncTxBit == 0)
tncTxBit = 1;
else
tncTxBit = 0;
+ }
// Save the data stream so we can determine if bit stuffing is
// required on the next bit time.
// The variable tncShift contains the lastest data byte.
// NRZI enocde the data stream.
- if ((tncShift & 0x01) == 0x00)
+ if ((tncShift & 0x01) == 0x00) {
if (tncTxBit == 0)
tncTxBit = 1;
else
tncTxBit = 0;
+ }
// Save the data stream so we can determine if bit stuffing is
// required on the next bit time.
case TNC_TX_END:
// The variable tncShift contains the lastest data byte.
// NRZI enocde the data stream.
- if ((tncShift & 0x01) == 0x00)
+ if ((tncShift & 0x01) == 0x00) {
if (tncTxBit == 0)
tncTxBit = 1;
else
tncTxBit = 0;
+ }
// If all the bits were shifted, get the next one.
if (++tncBitCount == 8)
int c;
va_start(ap, fmt);
- c = vsprintf(tncBufferPnt, fmt, ap);
+ c = vsprintf((char *) tncBufferPnt, fmt, ap);
+ if (*fmt == '\015')
+ fprintf (stderr, "\n");
+ else
+ vfprintf(stderr, fmt, ap);
va_end(ap);
tncBufferPnt += c;
tncLength += c;
tncPrintf ("*%02X", gpsNMEAChecksum(tncBuffer + 1, tncLength - 1));
}
+/**
+ * Generate the plain text position packet. Data is written through the tncTxByte
+ * callback function
+ */
+void tncPositionPacket(void)
+{
+ int32_t latitude = 45.4694766 * 10000000;
+ int32_t longitude = -122.7376250 * 10000000;
+ uint32_t altitude = 10000;
+ uint16_t lat_deg;
+ uint16_t lon_deg;
+ uint16_t lat_min;
+ uint16_t lat_frac;
+ uint16_t lon_min;
+ uint16_t lon_frac;
+
+ char lat_sign = 'N', lon_sign = 'E';
+
+// tncPrintf (">ANSR ");
+ if (latitude < 0) {
+ lat_sign = 'S';
+ latitude = -latitude;
+ }
+
+ if (longitude < 0) {
+ lon_sign = 'W';
+ longitude = -longitude;
+ }
+
+ lat_deg = latitude / 10000000;
+ latitude -= lat_deg * 10000000;
+ latitude *= 60;
+ lat_min = latitude / 10000000;
+ latitude -= lat_min * 10000000;
+ lat_frac = (latitude + 50000) / 100000;
+
+ lon_deg = longitude / 10000000;
+ longitude -= lon_deg * 10000000;
+ longitude *= 60;
+ lon_min = longitude / 10000000;
+ longitude -= lon_min * 10000000;
+ lon_frac = (longitude + 50000) / 100000;
+
+ tncPrintf ("=%02u%02u.%02u%c\\%03u%02u.%02u%cO",
+ lat_deg, lat_min, lat_frac, lat_sign,
+ lon_deg, lon_min, lon_frac, lon_sign);
+
+ tncPrintf (" /A=%06u", altitude * 100 / 3048);
+}
+
+
+
/**
* Generate the plain text status packet. Data is written through the tncTxByte
* callback function.
*/
void tncStatusPacket(int16_t temperature)
{
- uint16_t voltage;
+// uint16_t voltage;
// Plain text telemetry.
tncPrintf (">ANSR ");
// Display the flight time.
- tncPrintf ("%02U:%02U:%02U ", timeHours, timeMinutes, timeSeconds);
+ tncPrintf ("%02u:%02u:%02u ", timeHours, timeMinutes, timeSeconds);
// Altitude in feet.
tncPrintf ("%ld' ", gpsPosition.altitudeFeet);
*/
void tncTxPacket(TNC_DATA_MODE dataMode)
{
- int16_t temperature;
+ int16_t temperature = 20;
uint16_t crc;
// Only transmit if there is not another message in progress.
break;
case TNC_GGA:
- tncGPGGAPacket();
+ tncPositionPacket();
+// tncGPGGAPacket();
// Select the next packet we will generate.
tncPacketType = TNC_RMC;
}
/** @} */
-
-#if 0
-uint32_t counter;
-
-uint8_t bitIndex;
-uint8_t streamIndex;
-uint8_t value;
-
-uint8_t bitStream[] = { 0x10, 0x20, 0x30 };
-
-void init()
-{
- counter = 0;
- bitIndex = 0;
- streamIndex = 0;
- value = bitStream[0];
-}
-
-void test()
-{
- counter += 0x10622d;
-
-// CCP_1 = (uint16_t) ((counter >> 16) & 0xffff);
-
- if ((value & 0x80) == 0x80)
- setup_ccp1 (CCP_COMPARE_SET_ON_MATCH);
- else
- setup_ccp1 (CCP_COMPARE_CLR_ON_MATCH);
-
- if (++bitIndex == 8)
- {
- bitIndex = 0;
-
- if (++streamIndex == sizeof(bitStream))
- {
- streamIndex = 0;
- }
-
- value = bitStream[streamIndex];
- } else
- value = value << 1;
-}
-#endif
-
-// This is where we go after reset.
-int main(int argc, char **argv)
-{
- uint8_t i, utcSeconds, lockLostCounter;
-
-//test();
-
- // Configure the basic systems.
-// sysInit();
-
- // Wait for the power converter chains to stabilize.
-// delay_ms (100);
-
- // Setup the subsystems.
-// adcInit();
-// flashInit();
- gpsInit();
-// logInit();
-// timeInit();
-// serialInit();
- tncInit();
-
- // Program the DDS.
-// ddsInit();
-
- // Transmit software version packet on start up.
- 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
-}
-
-
-