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@11:890a721158a5, 2012-12-11 (annotated)
- Committer:
- tylerjw
- Date:
- Tue Dec 11 06:46:11 2012 +0000
- Revision:
- 11:890a721158a5
- Parent:
- 10:b13416bbb4cd
- Child:
- 12:0d943d69d3ec
working writing to 2gb micro sd card with by open, write line, close file, repeat...
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
tylerjw | 0:ce5f06c3895f | 1 | #include "mbed.h" |
tylerjw | 7:d8ecabe16c9e | 2 | #include "rtos.h" |
tylerjw | 10:b13416bbb4cd | 3 | #include "buffered_serial.h" |
tylerjw | 11:890a721158a5 | 4 | #include "SDFileSystem.h" |
tylerjw | 11:890a721158a5 | 5 | |
tylerjw | 11:890a721158a5 | 6 | SDFileSystem sd(p5, p6, p7, p8, "sd"); |
tylerjw | 10:b13416bbb4cd | 7 | |
tylerjw | 10:b13416bbb4cd | 8 | #define CELLS 3.0 |
tylerjw | 10:b13416bbb4cd | 9 | #define LIPO_EMPTY 3.4 |
tylerjw | 10:b13416bbb4cd | 10 | #define LIPO_FULL 4.2 |
tylerjw | 10:b13416bbb4cd | 11 | |
tylerjw | 10:b13416bbb4cd | 12 | const float BAT_MUL = 4.7; |
tylerjw | 10:b13416bbb4cd | 13 | const float BAT_FULL = (CELLS * LIPO_FULL); |
tylerjw | 10:b13416bbb4cd | 14 | const float BAT_EMPTY = (CELLS * LIPO_EMPTY); |
tylerjw | 10:b13416bbb4cd | 15 | const float BAT_RANGE = BAT_FULL - BAT_EMPTY; |
tylerjw | 0:ce5f06c3895f | 16 | |
tylerjw | 0:ce5f06c3895f | 17 | Serial pc(USBTX, USBRX); |
tylerjw | 10:b13416bbb4cd | 18 | BufferedSerial gps(NC, p14); |
tylerjw | 10:b13416bbb4cd | 19 | AnalogIn gps_battery(p20); |
tylerjw | 7:d8ecabe16c9e | 20 | |
tylerjw | 7:d8ecabe16c9e | 21 | void gps_thread(void const *args) |
tylerjw | 7:d8ecabe16c9e | 22 | { |
tylerjw | 10:b13416bbb4cd | 23 | char buffer[80]; |
tylerjw | 9:4debfbc1fb3e | 24 | |
tylerjw | 10:b13416bbb4cd | 25 | DigitalOut gps_led(LED4); |
tylerjw | 7:d8ecabe16c9e | 26 | |
tylerjw | 7:d8ecabe16c9e | 27 | gps.baud(4800); |
tylerjw | 11:890a721158a5 | 28 | mkdir("/sd/hab", 0777); |
tylerjw | 11:890a721158a5 | 29 | FILE *fp = fopen("/sd/hab/gps.txt", "a"); |
tylerjw | 11:890a721158a5 | 30 | fputs("--- new log --- \r\n", fp); |
tylerjw | 11:890a721158a5 | 31 | fclose(fp); |
tylerjw | 7:d8ecabe16c9e | 32 | |
tylerjw | 7:d8ecabe16c9e | 33 | while(true) { |
tylerjw | 11:890a721158a5 | 34 | fp = fopen("/sd/hab/gps.txt", "a"); |
tylerjw | 10:b13416bbb4cd | 35 | gps.read_line(buffer); |
tylerjw | 10:b13416bbb4cd | 36 | gps_led = !gps_led; |
tylerjw | 10:b13416bbb4cd | 37 | //pc.puts(buffer); |
tylerjw | 11:890a721158a5 | 38 | fputs(buffer, fp); |
tylerjw | 11:890a721158a5 | 39 | fclose(fp); |
tylerjw | 0:ce5f06c3895f | 40 | } |
tylerjw | 7:d8ecabe16c9e | 41 | } |
tylerjw | 7:d8ecabe16c9e | 42 | |
tylerjw | 7:d8ecabe16c9e | 43 | int main() |
tylerjw | 7:d8ecabe16c9e | 44 | { |
tylerjw | 10:b13416bbb4cd | 45 | pc.baud(9600); |
tylerjw | 9:4debfbc1fb3e | 46 | Thread thread(gps_thread, NULL, osPriorityHigh); |
tylerjw | 11:890a721158a5 | 47 | |
tylerjw | 10:b13416bbb4cd | 48 | while(true) { |
tylerjw | 10:b13416bbb4cd | 49 | float sample = gps_battery.read(); |
tylerjw | 10:b13416bbb4cd | 50 | pc.printf("Sample: %f Volts\r\n", sample*3.3); |
tylerjw | 10:b13416bbb4cd | 51 | float voltage = sample*BAT_MUL*3.3; |
tylerjw | 10:b13416bbb4cd | 52 | pc.printf("Battery Voltage: %f Volts\r\n", voltage); |
tylerjw | 10:b13416bbb4cd | 53 | float level = (voltage-BAT_EMPTY) / (BAT_RANGE); |
tylerjw | 10:b13416bbb4cd | 54 | pc.printf("Battery Level: %f \r\n", level); |
tylerjw | 10:b13416bbb4cd | 55 | Thread::wait(1000); |
tylerjw | 10:b13416bbb4cd | 56 | } |
tylerjw | 0:ce5f06c3895f | 57 | } |