kris gjika
4180 weather balloon logging and cutdown system
Dependencies: GPS MPL3115A2 SDFileSystem mbed-rtos mbed
Fork of
WeatherBalloon4180
by 
Chad Miller
Revision 2:21e4b9092bb2, committed 2015-11-17
- Comitter:
- cmiller86
- Date:
- Tue Nov 17 06:59:00 2015 +0000
- Parent:
- 1:2c4f640a8104
- Child:
- 3:b490294520d5
- Commit message:
- Refactored and added SD logging
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/SDFileSystem.lib Tue Nov 17 06:59:00 2015 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/SDFileSystem/#7b35d1709458
--- a/main.cpp Mon Nov 16 22:10:27 2015 +0000
+++ b/main.cpp Tue Nov 17 06:59:00 2015 +0000
@@ -1,59 +1,94 @@
#include "mbed.h"
+#include "rtos.h"
+
#include "GPS.h"
+#include "SDFileSystem.h"
Serial pc(USBTX, USBRX);
+SDFileSystem sd(p5, p6, p7, p8, "sd");
GPS gps(p9, p10);
+
+AnalogIn temp1(p18);
+AnalogIn temp2(p19);
+AnalogIn temp3(p20);
+
+DigitalIn dtmf(p11);
+
DigitalOut led1(LED1);
-Timer T;
-bool cutdown=0;
DigitalOut relay(p8);
-bool attempted=0;
-DigitalIn DTMF(p11);
-AnalogIn Temp1(p18);
-AnalogIn Temp2(p19);
-AnalogIn Temp3(p20);
+
+Timer t;
+
+bool attempted = false;
+bool cutdown = false;
+
+FILE *sdout;
-int main() {
- T.start();
- relay=0;
+void init()
+{
+ t.start();
+ relay = 0;
+
+ mkdir("/sd/weather_balloon", 0777);
+ sdout = fopen("/sd/weather_balloon/log.txt", "w");
+}
+
+int main()
+{
float tempC1, tempF1, tempC2, tempF2, tempC3, tempF3;
- while(1) {
+
+ while(1)
+ {
+ pc.printf("----- %f -----\n\r", t.read());
+ fprintf(sdout, "----- %f -----\n\r", t.read());
- pc.printf("----- %f -----\n\r",T.read());
- if(T.read()>= 20){
- cutdown=1;
- }
+ if(t.read() >= 20)
+ cutdown = true;
gps.sample();
+
pc.printf("Long = %f\n\rLati = %f\n\r", gps.longitude, gps.latitude);
- if(gps.longitude != 0){
- led1=1;
- }
+ fprintf(sdout, "Long = %f\n\rLati = %f\n\r", gps.longitude, gps.latitude);
+
+ if(!gps.longitude)
+ led1 = 1;
- tempC1 = ((Temp1*3.3)-0.600)*100.0;
- tempC2 = ((Temp2*3.3)-0.600)*100.0;
- tempC3 = ((Temp3*3.3)-0.600)*100.0;
- tempF1 = (9.0*tempC1)/5.0 + 32;
- tempF2 = (9.0*tempC2)/5.0 + 32;
- tempF3 = (9.0*tempC3)/5.0 + 32;
- pc.printf("Temp1 = %f\n\rTemp2 = %f\n\rTemp3 = %f\n\r",tempF1, tempF2, tempF3);
+ tempC1 = ((temp1 * 3.3) - 0.600) * 100.0;
+ tempC2 = ((temp2 * 3.3) - 0.600) * 100.0;
+ tempC3 = ((temp3 * 3.3) - 0.600) * 100.0;
+ tempF1 = (9.0 * tempC1) / 5.0 + 32;
+ tempF2 = (9.0 * tempC2) / 5.0 + 32;
+ tempF3 = (9.0 * tempC3) / 5.0 + 32;
- if (DTMF){
+ pc.printf("Temp1 = %f\n\rTemp2 = %f\n\rTemp3 = %f\n\r", tempF1, tempF2, tempF3);
+ fprintf(sdout, "Temp1 = %f\n\rTemp2 = %f\n\rTemp3 = %f\n\r", tempF1, tempF2, tempF3);
+
+ if(dtmf)
+ {
pc.printf("DTMF = True\n\r");
- cutdown=1;
- } else {
- pc.printf("DTMF = False\n\r");
- }
+ fprintf(sdout, "DTMF = True\n\r");
+
+ cutdown = true;
+ }
+ else
+ {
+ pc.printf("DTMF = False\n\r");
+ fprintf(sdout, "DTMF = False\n\r");
+ }
-if (cutdown==1 && attempted != 1){
- pc.printf("Cutdown Started = %f\n\r",T.read());
- relay=1;
- wait(20);
- relay=0;
- pc.printf("Cutdown Ended = %f\n\r",T.read());
- attempted=1;
- }
-
+ if(cutdown && !attempted)
+ {
+ pc.printf("Cutdown Started = %f\n\r", t.read());
+ fprintf(sdout, "Cutdown Started = %f\n\r", t.read());
+
+ relay = 1;
+ wait(20);
+ relay = 0;
+
+ pc.printf("Cutdown Ended = %f\n\r", t.read());
+ fprintf(sdout, "Cutdown Ended = %f\n\r", t.read());
+
+ attempted = true;
}
}
-
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed-rtos.lib Tue Nov 17 06:59:00 2015 +0000 @@ -0,0 +1,1 @@ +http://developer.mbed.org/users/mbed_official/code/mbed-rtos/#6d90423c236e
--- a/mbed.bld Mon Nov 16 22:10:27 2015 +0000 +++ b/mbed.bld Tue Nov 17 06:59:00 2015 +0000 @@ -1,1 +1,1 @@ -http://mbed.org/users/mbed_official/code/mbed/builds/029aa53d7323 +http://mbed.org/users/mbed_official/code/mbed/builds/9296ab0bfc11 \ No newline at end of file