void loop() {
int delayMillis = 10000;
for (int i = 0; i < baudRates.length(); i++) {
uart_gps.begin(baudRates[i]);
int startMillis = millis();
while ((millis() - startMillis) < delayMillis) {
while (uart_gps.available()) // While there is data on the RX pin...
{
int c = uart_gps.read(); // load the data into a variable...
Serial.print("baud = ");
Serial.print(baudRates[i], DEC);
Serial.print(" ");
Serial.print(c);
Serial.println();
if (gps.encode(c)) // if there is a new valid sentence...
{
getgps(gps); // then grab the data.
}
}
}
}
}
void main()
{
auto int chan, ang, rvalue;
auto float dist;
auto int pwm, r_head, r_head2, head;
auto long freq;
auto char tmpbuf[128], c;
char gpsString[MAX_SENTENCE];
GPSPosition testPoint, testPoint_old;
brdInit();
serPORT(BAUDGPS);
//serCopen(BAUDGPS);
serMode(0);
serCrdFlush();// main loop
initGPS();
freq = pwm_init(450ul);
printf("pick heading: ");
r_head = atoi(gets(tmpbuf));
//while(1)
// {
/*goal.lat_degrees = 43;
goal.lat_minutes = 7036;
goal.lon_degrees = 72;
goal.lon_minutes = 2811;
goal.lat_direction = 'N';
goal.lon_direction = 'W';
goal.sog = 0;
//goal.tog =
*/
if ((r_head > 90) || (r_head < -90))
{
printf("\nbad heading ");
}
else {
while (1)
{
costate GPSRead always_on
{
// wait until gps mode is engaged and a gps string has been recieved
waitfor(serCrdUsed() > 0);
//printf("gps read: ");
// read until finding the beginning of a gps string then wait
while(1)
{
//int test2;
c = serCgetc();
if (c == -1)
{
serCrdFlush();
abort;
}
else if (c == '$')
{
waitfor(DelayMs(20)); //should only take 5ms or so at 115200 baud
break;
}
}//end while(1)
// now that 20 ms have passed, read in the gps string (it must all
// be there by now, since so much time has passed
getgps(gpsString);
rvalue = gps_get_position(&testPoint,gpsString);
if( rvalue != -1)
{
printGPSPosition(&testPoint);
}
//printf("gps: %u \n",strlen(test2));
printf("gps: %s ",gpsString);
//printGPSPosition(&testPoint);
//puts(gpsString);
//puts(": end gps \n");
//dist = gps_ground_distance(&testPoint, &testPoint_old);
//head = (int)gps_bearing(&testPoint, &testPoint_old, dist);
//testPoint_old = testPoint;
head = testPoint.tog; // grab current heading
r_head2 = r_head-head;
pwm = set_angle(0, r_head2);
printf("angle: %d, head %d \n",pwm, head);
}//end costate
} // end while
} // end else
//} // end first while
} // end main