static void *handleTemperaturePressure (void *data)
{
double temperature;
double pressure;
time_t sec;
double sample = 1200; //trigger time (second) for trend
time_t initial = time (NULL) ;
double delta ;
for (;;){
if(bmp085_Calibration(fd) > 0 ){
temperature = bmp085_GetTemperature(bmp085_ReadUT(fd));
sleep(1);
pressure = bmp085_GetPressure(bmp085_ReadUP(fd));
int press = round(pressure/100);
int temp = round(temperature/10);
updateTemp (temp) ;
updatePressure (press) ;
sleep(4) ; //Wait 4s to avoid concurrent access
sec = time (NULL);
delta = difftime(sec, initial);
if (delta > sample ){
trend (press);
initial = time(NULL);
sleep (1);
}
}
sleep (2);
}
return 0;
}
int initialise() {
setbuf(stdout, NULL);
if (initialiseDS18B20() == 0)
return 0;
if (initialiseMCP3008() == 0)
return 0;
if (initialiseGPS() == 0)
return 0;
if (initialiseGeiger() == 0)
return 0;
bmp085_Calibration();
return 1;
}
int main(int argc, char **argv)
{
char spin[] = "-\\|/", SequenceCount = 'a';
char Message[65], Data[100], upload_exclude[200], Command[200], Telemetry[100], *Bracket, *Start;
int Bytes, Sentence_Count, sc = 0;
double Latitude, Longitude;
unsigned int Altitude;
uint8_t opmode, flags1, flags2, old_opmode = 0, old_flags1 = 0, old_flags2 = 0;
const char *inifile = "gateway.ini"; // FIXME
float node_lat, node_lon;
time_t next_beacon;
bool bmp085, xap;
/* load configuration */
ini_gets("node", "id", "", node_id, sizeof(node_id), inifile);
node_lat = ini_getf("node", "lat", 999, inifile);
node_lon = ini_getf("node", "lon", 999, inifile);
bmp085 = ini_getbool("sensors", "bmp085", false, inifile);
xap = ini_getbool("xap", "enabled", false, inifile);
ini_gets("upload", "exclude", "", upload_exclude, sizeof(upload_exclude), inifile);
if (strlen(node_id) == 0) {
puts("Node ID has not been specified");
exit(1);
}
printf("Upload exclude list is \"%s\"\n", upload_exclude);
if (xap) {
xapInit();
}
if (node_lat < 900 && node_lon < 900) {
/* put the gateway on the map */
sprintf(Message,"0aL%f,%f:%s[%s]", node_lat, node_lon, GIT_VER, node_id);
} else {
sprintf(Message,"0a:%s[%s]", GIT_VER, node_id);
}
UploadPacket(Message,0);
if (xap) {
xapSendPacket(Message, 0);
}
if (bmp085) {
next_beacon = time(NULL) + 10;
printf("Initialising BMP085\n");
bmp085_Calibration();
}
printf("Initialising RFM69\n");
setupRFM69();
printf("Starting main loop ...\n");
Sentence_Count = 0;
while (1)
{
if (rfm69_available())
{
Bytes = rfmM69_recv(Message, sizeof(Message));
printf ("%s Data available - %d bytes\n", Now(), Bytes);
printf ("rx: %s|%d\n", Message,RFM69_lastRssi());
if (Bytes > 0)
{
if (!excluded(Message, upload_exclude)) {
// UKHASNet upload
UploadPacket(Message, RFM69_lastRssi());
}
if (xap) {
// xAP broadcast
xapSendPacket(Message, RFM69_lastRssi());
}
#if 0
// Habitat upload
// 3dL51.95023,-2.54445,155[DA1]
if (strstr(Message, "DA1"))
{
if (Start = strchr(Message, 'L'))
{
// DA1,2,19:35:37,51.95023,-2.54445,160*05%0A
if (sscanf(Start+1, "%lf,%lf,%u[", &Latitude, &Longitude, &Altitude))
{
printf("Altitude = %u\n", Altitude);
sprintf(Telemetry, "%s,%d,%s,%lf,%lf,%u", "DA1", ++Sentence_Count, Now(), Latitude, Longitude, Altitude);
sprintf(Command, "wget -O habitat.txt \"http://habitat.habhub.org/transition/payload_telemetry\" --post-data \"callsign=DA0&string=\\$\\$%s*%s%s&string_type=ascii&metadata={}\"", Telemetry, Checksum(Telemetry), "\%0A");
printf("%s\n", Command);
system(Command);
}
}
}
#endif
}
}
else
{
