Generation 3 of the Harp project
Dependencies: Servo TMP36 GZ buffered-serial1 chan_fatfs_sd nmea_parser watchdog mbed-rtos mbed
Fork of HARP2 by
main.cpp
- Committer:
- tylerjw
- Date:
- 2012-12-11
- Revision:
- 12:0d943d69d3ec
- Parent:
- 11:890a721158a5
- Child:
- 13:db6af0620264
File content as of revision 12:0d943d69d3ec:
#include "mbed.h" #include "rtos.h" #include "buffered_serial.h" #include "ff.h" #define CELLS 3.0 #define LIPO_EMPTY 3.4 #define LIPO_FULL 4.2 const float BAT_MUL = 4.7; const float BAT_FULL = (CELLS * LIPO_FULL); const float BAT_EMPTY = (CELLS * LIPO_EMPTY); const float BAT_RANGE = BAT_FULL - BAT_EMPTY; Serial pc(USBTX, USBRX); BufferedSerial gps(NC, p14); AnalogIn gps_battery(p20); #define FSS_DBG void gps_thread(void const *args) { char buffer[80]; FATFS fs; FIL fp; DigitalOut gps_led(LED4); gps.baud(4800); f_mount(0, &fs); f_open(&fp, "0:gps.txt", FA_CREATE_ALWAYS | FA_WRITE); while(true) { gps.read_line(buffer); gps_led = !gps_led; pc.puts(buffer); f_puts(buffer, &fp); f_sync(&fp); } } int main() { pc.baud(9600); Thread thread(gps_thread, NULL, osPriorityHigh); while(true) { float sample = gps_battery.read(); //pc.printf("Sample: %f Volts\r\n", sample*3.3); float voltage = sample*BAT_MUL*3.3; //pc.printf("Battery Voltage: %f Volts\r\n", voltage); float level = (voltage-BAT_EMPTY) / (BAT_RANGE); //pc.printf("Battery Level: %f \r\n", level); Thread::wait(1000); } }