![](/media/cache/profiles/6f7790bb54a7c5d3dea27385488a604a.jpg.50x50_q85.jpg)
putting strings to xbee
Dependencies: BMP085 SDFileSystem mbed JPEGCamera
Fork of SaibiCansat2014 by
Diff: main.cpp
- Revision:
- 12:495d513bb022
- Parent:
- 11:3b13ec465f0f
- Child:
- 13:aa50109c4cae
--- a/main.cpp Fri Jul 18 09:54:25 2014 +0000 +++ b/main.cpp Sun Jul 20 12:54:23 2014 +0000 @@ -13,8 +13,10 @@ Serial pc(USBTX, USBRX); Serial xbee(p13, p14); +Timer timer; + AnalogIn ain_CDS(p15); -AnalogIn ain_Humedity(p16); +AnalogIn ain_Humidity(p16); AnalogIn ain_LM35DZ(p20); @@ -37,6 +39,7 @@ int main() { + timer.start(); pc.printf("main() started. pc.baud is 9600 at this time."); //pc.baud(9600); xbee.baud(115200); @@ -82,19 +85,32 @@ int loop_count = 0; while (1) { + FILE *fp = fopen("/sd/sensor.csv", "a"); loop_count += 1; + char buf[100]; + + sprintf(buf, "C %d ", loop_count); + pc.printf(buf); + fwrite(buf, strlen(buf), 1, fp); + xbee.printf(buf); + + float seconds = timer.read(); + sprintf(buf, "S %.3f ", seconds); + pc.printf(buf); + fwrite(buf, strlen(buf), 1, fp); + xbee.printf(buf); + //wait(1.5); //BOSH BMP085 Barometric pressure,temperature measurement accelerometer.getOutput(readings); //pc.printf("ADXL345 ------------------------\n"); - char buf[100]; - sprintf(buf, "X %+4.2f Y %+4.2f Z %+4.2f ", - (float((int16_t)readings[0]+18)/256), - (float((int16_t)readings[1]-4 )/256), - (float((int16_t)readings[2]+22)/256)); + sprintf(buf, "X %+4.3f Y %+4.3f Z %+4.3f ", + (float((int16_t)readings[0]+18)/256 - 0.12), + (float((int16_t)readings[1]-4 )/256 - 0.03), + (float((int16_t)readings[2]+22)/256 + 0.12)); pc.printf(buf); fwrite(buf, strlen(buf), 1, fp); xbee.printf(buf); @@ -103,7 +119,9 @@ //ADXL 345 Acceleration measurement //pc.printf("\nBOSH BMP085 --------------------\n"); - sprintf(buf, "P %6.2f T %6.2f ", bmp085.get_pressure(), bmp085.get_temperature()); + const float P = bmp085.get_pressure(); + const float T = bmp085.get_temperature(); + sprintf(buf, "P %6.2f T %6.2f ", P, T); pc.printf(buf); fwrite(buf, strlen(buf), 1, fp); xbee.printf(buf); @@ -115,13 +133,18 @@ xbee.printf(buf); //Humidity measurement P16 analog-in2 - sprintf(buf, "H %f ",ain_Humedity*100); + const float SRH = ( ( ain_Humidity / 5.0 ) - 0.16 ) / 0.0062; + const float TRH = SRH / ( 1.0546 - 0.00216 * T); + + sprintf(buf, "H %f ", TRH / 10.0); // maybe wrong, dirty workaround + pc.printf(buf); fwrite(buf, strlen(buf), 1, fp); fwrite("\r\n", 2, 1, fp); fclose(fp); - + xbee.printf(buf); + xbee.printf("\n"); //LM35DZ Temperature measurement P20 analog-in6 //this sensor does not work for now. disabled. @@ -129,6 +152,8 @@ //take picture //main_camera(loop_count); + xbee.printf("--JFIF_BOUNDARY\n"); fast_jpeg_camera.shoot(loop_count); + xbee.printf("--JFIF_BOUNDARY--\n"); } } \ No newline at end of file