4180 weather balloon logging and cutdown system
Dependencies: GPS MPL3115A2 SDFileSystem mbed-rtos mbed
Fork of WeatherBalloon4180 by
main.cpp@4:ebf8c354c758, 2015-11-17 (annotated)
- Committer:
- cmiller86
- Date:
- Tue Nov 17 07:22:32 2015 +0000
- Revision:
- 4:ebf8c354c758
- Parent:
- 3:b490294520d5
- Child:
- 5:c3e1fc7fa00d
Now compiles correctly
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
simon | 0:6b7345059afe | 1 | #include "mbed.h" |
cmiller86 | 2:21e4b9092bb2 | 2 | #include "rtos.h" |
cmiller86 | 2:21e4b9092bb2 | 3 | |
simon | 0:6b7345059afe | 4 | #include "GPS.h" |
cmiller86 | 2:21e4b9092bb2 | 5 | #include "SDFileSystem.h" |
simon | 0:6b7345059afe | 6 | |
cmiller86 | 3:b490294520d5 | 7 | #define PC_DEBUG |
cmiller86 | 3:b490294520d5 | 8 | |
simon | 0:6b7345059afe | 9 | Serial pc(USBTX, USBRX); |
cmiller86 | 2:21e4b9092bb2 | 10 | SDFileSystem sd(p5, p6, p7, p8, "sd"); |
simon | 0:6b7345059afe | 11 | GPS gps(p9, p10); |
cmiller86 | 2:21e4b9092bb2 | 12 | |
cmiller86 | 2:21e4b9092bb2 | 13 | AnalogIn temp1(p18); |
cmiller86 | 2:21e4b9092bb2 | 14 | AnalogIn temp2(p19); |
cmiller86 | 2:21e4b9092bb2 | 15 | AnalogIn temp3(p20); |
cmiller86 | 2:21e4b9092bb2 | 16 | |
cmiller86 | 2:21e4b9092bb2 | 17 | DigitalIn dtmf(p11); |
cmiller86 | 2:21e4b9092bb2 | 18 | |
Gjika | 1:2c4f640a8104 | 19 | DigitalOut led1(LED1); |
Gjika | 1:2c4f640a8104 | 20 | DigitalOut relay(p8); |
cmiller86 | 2:21e4b9092bb2 | 21 | |
cmiller86 | 3:b490294520d5 | 22 | bool attempted = false, cutdown = false; |
cmiller86 | 3:b490294520d5 | 23 | float tempF1, tempF2, tempF3; |
cmiller86 | 2:21e4b9092bb2 | 24 | |
cmiller86 | 2:21e4b9092bb2 | 25 | FILE *sdout; |
cmiller86 | 3:b490294520d5 | 26 | Timer t; |
cmiller86 | 3:b490294520d5 | 27 | Mutex log_mutex; |
simon | 0:6b7345059afe | 28 | |
cmiller86 | 2:21e4b9092bb2 | 29 | void init() |
cmiller86 | 2:21e4b9092bb2 | 30 | { |
cmiller86 | 2:21e4b9092bb2 | 31 | t.start(); |
cmiller86 | 3:b490294520d5 | 32 | |
cmiller86 | 3:b490294520d5 | 33 | led1 = 0; |
cmiller86 | 2:21e4b9092bb2 | 34 | relay = 0; |
cmiller86 | 2:21e4b9092bb2 | 35 | |
cmiller86 | 2:21e4b9092bb2 | 36 | mkdir("/sd/weather_balloon", 0777); |
cmiller86 | 2:21e4b9092bb2 | 37 | sdout = fopen("/sd/weather_balloon/log.txt", "w"); |
cmiller86 | 2:21e4b9092bb2 | 38 | } |
cmiller86 | 2:21e4b9092bb2 | 39 | |
cmiller86 | 4:ebf8c354c758 | 40 | void update_gps(void const *args) |
cmiller86 | 2:21e4b9092bb2 | 41 | { |
cmiller86 | 3:b490294520d5 | 42 | while(true) |
cmiller86 | 2:21e4b9092bb2 | 43 | { |
Gjika | 1:2c4f640a8104 | 44 | gps.sample(); |
cmiller86 | 2:21e4b9092bb2 | 45 | |
cmiller86 | 2:21e4b9092bb2 | 46 | if(!gps.longitude) |
cmiller86 | 2:21e4b9092bb2 | 47 | led1 = 1; |
Gjika | 1:2c4f640a8104 | 48 | |
cmiller86 | 3:b490294520d5 | 49 | Thread::wait(250); |
cmiller86 | 3:b490294520d5 | 50 | } |
cmiller86 | 3:b490294520d5 | 51 | } |
cmiller86 | 3:b490294520d5 | 52 | |
cmiller86 | 4:ebf8c354c758 | 53 | void update_temperature(void const *args) |
cmiller86 | 3:b490294520d5 | 54 | { |
cmiller86 | 3:b490294520d5 | 55 | float tempC1, tempC2, tempC3; |
cmiller86 | 3:b490294520d5 | 56 | |
cmiller86 | 3:b490294520d5 | 57 | while(true) |
cmiller86 | 3:b490294520d5 | 58 | { |
cmiller86 | 2:21e4b9092bb2 | 59 | tempC1 = ((temp1 * 3.3) - 0.600) * 100.0; |
cmiller86 | 2:21e4b9092bb2 | 60 | tempC2 = ((temp2 * 3.3) - 0.600) * 100.0; |
cmiller86 | 2:21e4b9092bb2 | 61 | tempC3 = ((temp3 * 3.3) - 0.600) * 100.0; |
cmiller86 | 2:21e4b9092bb2 | 62 | tempF1 = (9.0 * tempC1) / 5.0 + 32; |
cmiller86 | 2:21e4b9092bb2 | 63 | tempF2 = (9.0 * tempC2) / 5.0 + 32; |
cmiller86 | 2:21e4b9092bb2 | 64 | tempF3 = (9.0 * tempC3) / 5.0 + 32; |
Gjika | 1:2c4f640a8104 | 65 | |
cmiller86 | 3:b490294520d5 | 66 | Thread::wait(250); |
cmiller86 | 3:b490294520d5 | 67 | } |
cmiller86 | 3:b490294520d5 | 68 | } |
cmiller86 | 3:b490294520d5 | 69 | |
cmiller86 | 4:ebf8c354c758 | 70 | void write_to_log(void const *args) |
cmiller86 | 3:b490294520d5 | 71 | { |
cmiller86 | 3:b490294520d5 | 72 | while(true) |
cmiller86 | 3:b490294520d5 | 73 | { |
cmiller86 | 3:b490294520d5 | 74 | log_mutex.lock(); |
cmiller86 | 3:b490294520d5 | 75 | |
cmiller86 | 3:b490294520d5 | 76 | fprintf(sdout, "----- %f -----\n\r", t.read()); |
cmiller86 | 3:b490294520d5 | 77 | fprintf(sdout, "Long = %f\n\rLati = %f\n\r", gps.longitude, gps.latitude); |
cmiller86 | 2:21e4b9092bb2 | 78 | fprintf(sdout, "Temp1 = %f\n\rTemp2 = %f\n\rTemp3 = %f\n\r", tempF1, tempF2, tempF3); |
cmiller86 | 3:b490294520d5 | 79 | fprintf(sdout, dtmf ? "DTMF = True\n\r" : "DTMF = False\n\r"); |
cmiller86 | 2:21e4b9092bb2 | 80 | |
cmiller86 | 3:b490294520d5 | 81 | #ifdef PC_DEBUG |
cmiller86 | 3:b490294520d5 | 82 | pc.printf("----- %f -----\n\r", t.read()); |
cmiller86 | 3:b490294520d5 | 83 | pc.printf("Long = %f\n\rLati = %f\n\r", gps.longitude, gps.latitude); |
cmiller86 | 3:b490294520d5 | 84 | pc.printf("Temp1 = %f\n\rTemp2 = %f\n\rTemp3 = %f\n\r", tempF1, tempF2, tempF3); |
cmiller86 | 3:b490294520d5 | 85 | pc.printf(dtmf ? "DTMF = True\n\r" : "DTMF = False\n\r"); |
cmiller86 | 3:b490294520d5 | 86 | #endif |
cmiller86 | 3:b490294520d5 | 87 | |
cmiller86 | 3:b490294520d5 | 88 | log_mutex.unlock(); |
cmiller86 | 3:b490294520d5 | 89 | |
cmiller86 | 3:b490294520d5 | 90 | Thread::wait(1000); |
cmiller86 | 3:b490294520d5 | 91 | } |
cmiller86 | 3:b490294520d5 | 92 | } |
cmiller86 | 3:b490294520d5 | 93 | |
cmiller86 | 4:ebf8c354c758 | 94 | void check_cutdown(void const *args) |
cmiller86 | 3:b490294520d5 | 95 | { |
cmiller86 | 3:b490294520d5 | 96 | while(true) |
cmiller86 | 3:b490294520d5 | 97 | { |
cmiller86 | 3:b490294520d5 | 98 | if(t.read() >= 20 || dtmf) |
cmiller86 | 2:21e4b9092bb2 | 99 | cutdown = true; |
Gjika | 1:2c4f640a8104 | 100 | |
cmiller86 | 2:21e4b9092bb2 | 101 | if(cutdown && !attempted) |
cmiller86 | 2:21e4b9092bb2 | 102 | { |
cmiller86 | 3:b490294520d5 | 103 | log_mutex.lock(); |
cmiller86 | 2:21e4b9092bb2 | 104 | pc.printf("Cutdown Started = %f\n\r", t.read()); |
cmiller86 | 2:21e4b9092bb2 | 105 | fprintf(sdout, "Cutdown Started = %f\n\r", t.read()); |
cmiller86 | 3:b490294520d5 | 106 | log_mutex.unlock(); |
cmiller86 | 2:21e4b9092bb2 | 107 | |
cmiller86 | 2:21e4b9092bb2 | 108 | relay = 1; |
cmiller86 | 3:b490294520d5 | 109 | Thread::wait(200000); |
cmiller86 | 2:21e4b9092bb2 | 110 | relay = 0; |
cmiller86 | 2:21e4b9092bb2 | 111 | |
cmiller86 | 3:b490294520d5 | 112 | log_mutex.lock(); |
cmiller86 | 2:21e4b9092bb2 | 113 | pc.printf("Cutdown Ended = %f\n\r", t.read()); |
cmiller86 | 2:21e4b9092bb2 | 114 | fprintf(sdout, "Cutdown Ended = %f\n\r", t.read()); |
cmiller86 | 3:b490294520d5 | 115 | log_mutex.unlock(); |
cmiller86 | 2:21e4b9092bb2 | 116 | |
cmiller86 | 2:21e4b9092bb2 | 117 | attempted = true; |
simon | 0:6b7345059afe | 118 | } |
cmiller86 | 3:b490294520d5 | 119 | |
cmiller86 | 3:b490294520d5 | 120 | Thread::wait(100); |
simon | 0:6b7345059afe | 121 | } |
cmiller86 | 2:21e4b9092bb2 | 122 | } |
cmiller86 | 3:b490294520d5 | 123 | |
cmiller86 | 3:b490294520d5 | 124 | int main() |
cmiller86 | 3:b490294520d5 | 125 | { |
cmiller86 | 4:ebf8c354c758 | 126 | init(); |
cmiller86 | 4:ebf8c354c758 | 127 | |
cmiller86 | 3:b490294520d5 | 128 | Thread gps_thread(update_gps); |
cmiller86 | 3:b490294520d5 | 129 | Thread temperature_thread(update_temperature); |
cmiller86 | 3:b490294520d5 | 130 | Thread log_thread(write_to_log); |
cmiller86 | 3:b490294520d5 | 131 | Thread cutdown_thread(check_cutdown); |
cmiller86 | 3:b490294520d5 | 132 | } |