IMU-pressure-tempreture sensors
Dependencies: CMSIS_DSP_401 DHT22 MPU9150_DMP QuaternionMath MODSERIAL mbed-src FATFileSystem111 SDFileSystem11 Camera_LS_Y201_CANSAT
main.cpp
- Committer:
- Hagrass
- Date:
- 2015-08-11
- Revision:
- 1:339ebc8786ca
- Parent:
- 0:5f608863559a
- Child:
- 3:598af964f16c
- Child:
- 4:dbb8e901826d
File content as of revision 1:339ebc8786ca:
#include "MPU9150.h" #include "Quaternion.h" #include "BMP085.h" #include "DHT22.h" #include "main.h" char ns, ew, tf, status; int fq, nst, fix, date; // fix quality, Number of satellites being tracked, 3D fix float latitude, longitude, timefix, speed, altitude; DHT22 dht22(p23); BMP085 bmp085(p28, p27,BMP085_oss8); Serial xbee(p9,p10); DigitalOut rst(p11,PullUp); DigitalOut myled(LED1); Serial debug(USBTX, USBRX); MPU9150 imu(p27, p28, p15); DigitalOut led(LED1); void Init() { gps.baud(9600); // pc.baud(115200); xbee.printf("Init OK\n"); printf("Init OK\n"); } char buffer[200]; int e=6; int n=0; int main(){ Init(); char c; //debug.baud(115200); if(imu.isReady()){ xbee.printf("MPU9150 is ready\r\n"); printf("MPU9150 is ready\r\n"); } else { xbee.printf("MPU9150 initialisation failure\r\n"); printf("MPU9150 initialisation failure\r\n"); } imu.initialiseDMP(); Timer timer; timer.start(); imu.setFifoReset(true); imu.setDMPEnabled(true); Quaternion q1; float hum,temp; // int g=10; while(true){ n++; // wait(0.5); bmp085.update(); float allltitude=bmp085.calcAltitude(bmp085.get_pressure()*100); //wait(0.2); if(e==6) { dht22.sample() ; hum=dht22.getHumidity()/10.0; temp=dht22.getTemperature()/10.0; e=1; } if(imu.getFifoCount() >= 48){ imu.getFifoBuffer(buffer, 48); led = !led; } // debug.printf("vcvssgsgf"); if(timer.read_ms() >50){ timer.reset(); //This is the format of the data in the fifo, /* ================================================================================================ * | Default MotionApps v4.1 48-byte FIFO packet structure: | | | | [QUAT W][ ][QUAT X][ ][QUAT Y][ ][QUAT Z][ ][GYRO X][ ][GYRO Y][ ] | | 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 | | | | [GYRO Z][ ][MAG X ][MAG Y ][MAG Z ][ACC X ][ ][ACC Y ][ ][ACC Z ][ ][ ] | | 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 | * ================================================================================================ */ /* debug.printf("%d, %d, %d\r\n", (int32_t)(((int32_t)buffer[34] << 24) + ((int32_t)buffer[35] << 16) + ((int32_t)buffer[36] << 8) + (int32_t)buffer[37]), (int32_t)(((int32_t)buffer[38] << 24) + ((int32_t)buffer[39] << 16) + ((int32_t)buffer[40] << 8) + (int32_t)buffer[41]), (int32_t)(((int32_t)buffer[42] << 24) + ((int32_t)buffer[43] << 16) + ((int32_t)buffer[44] << 8) + (int32_t)buffer[45])); debug.printf("%d, %d, %d\r\n", (int32_t)(((int32_t)buffer[16] << 24) + ((int32_t)buffer[17] << 16) + ((int32_t)buffer[18] << 8) + (int32_t)buffer[19]), (int32_t)(((int32_t)buffer[20] << 24) + ((int32_t)buffer[21] << 16) + ((int32_t)buffer[22] << 8) + (int32_t)buffer[23]), (int32_t)(((int32_t)buffer[24] << 24) + ((int32_t)buffer[25] << 16) + ((int32_t)buffer[26] << 8) + (int32_t)buffer[27])); debug.printf("%d, %d, %d\r\n", (int16_t)(buffer[29] << 8) + buffer[28], (int16_t)(buffer[31] << 8) + buffer[30], (int16_t)(buffer[33] << 8) + buffer[32]); debug.printf("%f, %f, %f, %f\r\n", (float)((((int32_t)buffer[0] << 24) + ((int32_t)buffer[1] << 16) + ((int32_t)buffer[2] << 8) + buffer[3]))* (1.0 / (1<<30)), (float)((((int32_t)buffer[4] << 24) + ((int32_t)buffer[5] << 16) + ((int32_t)buffer[6] << 8) + buffer[7]))* (1.0 / (1<<30)), (float)((((int32_t)buffer[8] << 24) + ((int32_t)buffer[9] << 16) + ((int32_t)buffer[10] << 8) + buffer[11]))* (1.0 / (1<<30)), (float)((((int32_t)buffer[12] << 24) + ((int32_t)buffer[13] << 16) + ((int32_t)buffer[14] << 8) + buffer[15]))* (1.0 / (1<<30))); */ q1.decode(buffer); //wait(0.5); if(gps.readable()) { if(gps.getc() == '$'); // wait a $ { for(int i=0; i<sizeof(cDataBuffer); i++) { c = gps.getc(); if( c == '\r' ) { //pc.printf("%s\n", cDataBuffer); parse(cDataBuffer, i); i = sizeof(cDataBuffer); } else { cDataBuffer[i] = c; } } } } if(n==10) { xbee.printf("w:%f, v.x:%f, v.y:%f, v.z:%f\r\n", q1.w, q1.v.x, q1.v.y, q1.v.z); xbee.printf("p:%f hPa / t:%f / altitude=%f \n\r",bmp085.get_pressure() , bmp085.get_temperature(),allltitude); xbee.printf("temp: %f , hum:%f \n\r",temp,hum); xbee.printf("GPGGA Fix taken at: %f, Latitude: %f %c, Longitude: %f %c, Fix quality: %d, Number of sat: %d, Altitude: %f M\n", timefix, latitude, ns, longitude, ew, fq, nst, altitude); xbee.printf("GPGSA Type fix: %c, 3D fix: %d, number of sat: %d\r\n", tf, fix, nst); xbee.printf("GPGLL Latitude: %f %c, Longitude: %f %c, Fix taken at: %f\n", latitude, ns, longitude, ew, timefix); xbee.printf("GPRMC Fix taken at: %f, Status: %c, Latitude: %f %c, Longitude: %f %c, Speed: %f, Date: %d\n\n\r\n\n\n", timefix, status, latitude, ns, longitude, ew, speed, date); n=1; } printf("w:%f, v.x:%f, v.y:%f, v.z:%f\r\n", q1.w, q1.v.x, q1.v.y, q1.v.z); printf("p:%f hPa / t:%f / altitude=%f \n\r",bmp085.get_pressure() , bmp085.get_temperature(),allltitude); printf("temp: %f , hum:%f \n\r",temp,hum); printf("GPGGA Fix taken at: %f, Latitude: %f %c, Longitude: %f %c, Fix quality: %d, Number of sat: %d, Altitude: %f M\n", timefix, latitude, ns, longitude, ew, fq, nst, altitude); printf("GPGSA Type fix: %c, 3D fix: %d, number of sat: %d\r\n", tf, fix, nst); printf("GPGLL Latitude: %f %c, Longitude: %f %c, Fix taken at: %f\n", latitude, ns, longitude, ew, timefix); printf("GPRMC Fix taken at: %f, Status: %c, Latitude: %f %c, Longitude: %f %c, Speed: %f, Date: %d\n\n\r\n\n\n", timefix, status, latitude, ns, longitude, ew, speed, date); imu.setFifoReset(true); imu.setDMPEnabled(true); //TeaPot Demo Packet for MotionFit SDK /* debug.putc('$'); //packet start debug.putc((char)2); //assume packet type constant debug.putc((char)0); //count seems unused for(int i = 0; i < 16; i++){ //16 bytes for 4 32bit floats debug.putc((char)(buffer[i])); } for(int i = 0; i < 5; i++){ //no idea, padded with 0 debug.putc((char)0); } */ } //wait(1); e++; //g++; //xbee.printf("this is the end"); //rst=1; //wait(0.001); //rst=0; } } void parse(char *cmd, int n) { // Global Positioning System Fix Data if(strncmp(cmd,"$GPGGA", 6) == 0) { sscanf(cmd, "$GPGGA,%f,%f,%c,%f,%c,%d,%d,%*f,%f", &timefix, &latitude, &ns, &longitude, &ew, &fq, &nst, &altitude); } // Satellite status if(strncmp(cmd,"$GPGSA", 6) == 0) { sscanf(cmd, "$GPGSA,%c,%d,%d", &tf, &fix, &nst); } // Geographic position, Latitude and Longitude if(strncmp(cmd,"$GPGLL", 6) == 0) { sscanf(cmd, "$GPGLL,%f,%c,%f,%c,%f", &latitude, &ns, &longitude, &ew, &timefix); } // Geographic position, Latitude and Longitude if(strncmp(cmd,"$GPRMC", 6) == 0) { sscanf(cmd, "$GPRMC,%f,%c,%f,%c,%f,%c,%f,,%d", &timefix, &status, &latitude, &ns, &longitude, &ew, &speed, &date); } }