Aerodyne / Mbed 2 deprecated Atlas

Nucleo based high altitude balloon computer

Dependencies:   SDFileSystem Venus838 mbed MS5611 TinyGPS

Atlas.cpp@5:1facb0e83e62, 2014-06-25 (annotated)

Committer:
matgyver
Date:
Wed Jun 25 15:02:14 2014 +0000
Revision:
5:1facb0e83e62
Parent:
4:96539c6e50c0
Child:
6:f91db4a7acf1
Added reading in the battery voltage and displaying and logging the data

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ethanharstad 1:678ba5aa45fc 1 #include "mbed.h"
ethanharstad 1:678ba5aa45fc 2 #include "Atlas.h"
ethanharstad 1:678ba5aa45fc 3 #include "SDFileSystem.h"
ethanharstad 1:678ba5aa45fc 4 #include "Venus838.h"
ethanharstad 3:552319ab5341 5 #include "TinyGPS.h"
ethanharstad 2:244d3912b449 6 #include "MS5611I2C.h"
ethanharstad 1:678ba5aa45fc 7
ethanharstad 1:678ba5aa45fc 8 DigitalOut grn(LED_GRN);
ethanharstad 1:678ba5aa45fc 9 DigitalOut ylw(LED_YLW);
matgyver 5:1facb0e83e62 10 AnalogIn batt(PC_2);
ethanharstad 1:678ba5aa45fc 11 Serial pc(USBTX, USBRX);
ethanharstad 3:552319ab5341 12 Venus838 venus(GPS_TX, GPS_RX);
ethanharstad 3:552319ab5341 13 TinyGPS gps;
ethanharstad 2:244d3912b449 14 MS5611I2C pres(I2C_SDA, I2C_SCL, false);
ethanharstad 1:678ba5aa45fc 15 SDFileSystem sd(SPI_MOSI, SPI_MISO, SPI_SCK, SPI_CS, "sd");
ethanharstad 3:552319ab5341 16 Timer tick;
ethanharstad 1:678ba5aa45fc 17
ethanharstad 1:678ba5aa45fc 18 void init() {
ethanharstad 1:678ba5aa45fc 19 pc.baud(115200);
ethanharstad 3:552319ab5341 20 grn = LED_OFF;
ethanharstad 3:552319ab5341 21 ylw = LED_OFF;
ethanharstad 1:678ba5aa45fc 22
ethanharstad 3:552319ab5341 23 venus.setUpdateRate(10);
ethanharstad 3:552319ab5341 24 venus.setNavigationMode(4);
ethanharstad 3:552319ab5341 25 venus.setNmeaMessages(true, false, false, false, true, false);
ethanharstad 1:678ba5aa45fc 26
ethanharstad 1:678ba5aa45fc 27 printf("Attempting to open SD card...\n");
matgyver 5:1facb0e83e62 28 mkdir("/sd/debug", 0777);
ethanharstad 1:678ba5aa45fc 29
ethanharstad 1:678ba5aa45fc 30 printf("Attempting to open file...\n");
matgyver 5:1facb0e83e62 31 FILE *fp = fopen("/sd/debug/debug.txt", "w");
ethanharstad 1:678ba5aa45fc 32 if(fp == NULL) {
ethanharstad 1:678ba5aa45fc 33 error("Could not open file for write\n");
ethanharstad 3:552319ab5341 34 ylw = LED_ON;
ethanharstad 1:678ba5aa45fc 35 }
matgyver 5:1facb0e83e62 36 fprintf(fp, "Hooray, we can write to the SD Card. Go get a cookie.");
ethanharstad 1:678ba5aa45fc 37
ethanharstad 1:678ba5aa45fc 38 printf("Closing file...\n");
ethanharstad 1:678ba5aa45fc 39 fclose(fp);
ethanharstad 1:678ba5aa45fc 40
ethanharstad 3:552319ab5341 41 pres.printCoefficients();
ethanharstad 3:552319ab5341 42
ethanharstad 3:552319ab5341 43 tick.start();
ethanharstad 1:678ba5aa45fc 44 pc.printf("Atlas Ready!\n");
ethanharstad 1:678ba5aa45fc 45 }
ethanharstad 1:678ba5aa45fc 46
ethanharstad 1:678ba5aa45fc 47 int main() {
ethanharstad 3:552319ab5341 48 unsigned long date, time, ttf;
ethanharstad 3:552319ab5341 49 double latitude, longitude, altitude;
matgyver 5:1facb0e83e62 50 float pressure, temperature, battery;
ethanharstad 3:552319ab5341 51 unsigned int writeCount = 0;
ethanharstad 3:552319ab5341 52
ethanharstad 1:678ba5aa45fc 53 init();
ethanharstad 3:552319ab5341 54 FILE *fp = fopen("/sd/atlas.txt", "a");
matgyver 5:1facb0e83e62 55 fprintf(fp, "Atlas Logger\r\n");
matgyver 5:1facb0e83e62 56 fprintf(fp, "Date Time Lon Lat Alt Pressure Temp Battery\r\n");
matgyver 5:1facb0e83e62 57 fprintf(fp, "------------------------------------------------------------------\r\n");
matgyver 5:1facb0e83e62 58 //fclose(fp);
ethanharstad 1:678ba5aa45fc 59 while(true) {
ethanharstad 3:552319ab5341 60 if(venus.readable()) {
ethanharstad 3:552319ab5341 61 char c = venus.getc();
ethanharstad 3:552319ab5341 62 //pc.putc(c);
ethanharstad 3:552319ab5341 63 gps.encode(c);
ethanharstad 3:552319ab5341 64 }
ethanharstad 3:552319ab5341 65 if(tick.read_ms() >= 500) {
ethanharstad 3:552319ab5341 66 tick.reset();
ethanharstad 3:552319ab5341 67 grn = !grn;
ethanharstad 3:552319ab5341 68
ethanharstad 3:552319ab5341 69 gps.get_datetime(&date, &time, &ttf);
ethanharstad 3:552319ab5341 70 gps.f_get_position(&latitude, &longitude, &ttf);
ethanharstad 3:552319ab5341 71 altitude = gps.f_altitude();
ethanharstad 3:552319ab5341 72 pressure = pres.getPressure();
ethanharstad 3:552319ab5341 73 temperature = pres.getTemperature();
matgyver 5:1facb0e83e62 74 battery = (batt.read()*3.3f) * 4.0f;
matgyver 5:1facb0e83e62 75 wait_ms(1);
matgyver 5:1facb0e83e62 76 pc.printf("%u, %u, %f, %f, %f, %f, %f, %f\n",
ethanharstad 3:552319ab5341 77 date, time, longitude, latitude, altitude,
matgyver 5:1facb0e83e62 78 pressure, temperature, battery
ethanharstad 3:552319ab5341 79 );
matgyver 5:1facb0e83e62 80 fprintf(fp, "%u, %u, %f, %f, %f, %f, %f %f\n",
ethanharstad 3:552319ab5341 81 date, time, longitude, latitude, altitude,
matgyver 5:1facb0e83e62 82 pressure, temperature, battery
ethanharstad 3:552319ab5341 83 );
ethanharstad 3:552319ab5341 84 writeCount++;
ethanharstad 3:552319ab5341 85 if(writeCount > 100) {
ethanharstad 3:552319ab5341 86 writeCount = 0;
ethanharstad 3:552319ab5341 87 fclose(fp);
ethanharstad 3:552319ab5341 88 FILE *fp = fopen("/sd/atlas.txt", "a");
ethanharstad 3:552319ab5341 89 }
ethanharstad 1:678ba5aa45fc 90 }
ethanharstad 1:678ba5aa45fc 91 }
ethanharstad 1:678ba5aa45fc 92 }