Calvin Kalintra / Mbed 2 deprecated CW_watchdog_08012018_newest

newest

Dependencies:   BME280 BMP280 TextLCD mbed

Fork of CW_watchdog_08012018_fran by Calvin Kalintra

sd.h@4:5dbb5145d0a9, 2018-01-09 (annotated)

Committer:
ckalintra
Date:
Tue Jan 09 12:11:46 2018 +0000
Revision:
4:5dbb5145d0a9
fran

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ckalintra 4:5dbb5145d0a9 1 #include "mbed.h"
ckalintra 4:5dbb5145d0a9 2 #include "SDBlockDevice.h"
ckalintra 4:5dbb5145d0a9 3 #include "FATFileSystem.h"
ckalintra 4:5dbb5145d0a9 4 //#include "sample_hardware.hpp"
ckalintra 4:5dbb5145d0a9 5 #include "mbed_events.h"
ckalintra 4:5dbb5145d0a9 6
ckalintra 4:5dbb5145d0a9 7
ckalintra 4:5dbb5145d0a9 8 SDBlockDevice sd(D11, D12, D13, D10);
ckalintra 4:5dbb5145d0a9 9 EventQueue eq;
ckalintra 4:5dbb5145d0a9 10 FILE* fp;
ckalintra 4:5dbb5145d0a9 11 bool ejected = false;
ckalintra 4:5dbb5145d0a9 12 void takeSample()
ckalintra 4:5dbb5145d0a9 13 {
ckalintra 4:5dbb5145d0a9 14 if (ejected == true) {
ckalintra 4:5dbb5145d0a9 15 return;
ckalintra 4:5dbb5145d0a9 16 }
ckalintra 4:5dbb5145d0a9 17 float temp = sensor.getTemperature();
ckalintra 4:5dbb5145d0a9 18 float pressure = sensor.getPressure();
ckalintra 4:5dbb5145d0a9 19
ckalintra 4:5dbb5145d0a9 20 fprintf(fp, "%f,%f\n", temp, pressure);
ckalintra 4:5dbb5145d0a9 21
ckalintra 4:5dbb5145d0a9 22 redLED = 1;
ckalintra 4:5dbb5145d0a9 23 Thread::wait(100);
ckalintra 4:5dbb5145d0a9 24 redLED = 0;
ckalintra 4:5dbb5145d0a9 25
ckalintra 4:5dbb5145d0a9 26 if ((SW1 == 1) && (SW2 == 1)) {
ckalintra 4:5dbb5145d0a9 27 //Close File
ckalintra 4:5dbb5145d0a9 28 fclose(fp);
ckalintra 4:5dbb5145d0a9 29
ckalintra 4:5dbb5145d0a9 30 sd.deinit();
ckalintra 4:5dbb5145d0a9 31
ckalintra 4:5dbb5145d0a9 32 puts("You can now remove the SD Card\n");
ckalintra 4:5dbb5145d0a9 33 yellowLED = 1;
ckalintra 4:5dbb5145d0a9 34
ckalintra 4:5dbb5145d0a9 35 ejected = true;
ckalintra 4:5dbb5145d0a9 36 }
ckalintra 4:5dbb5145d0a9 37 }
ckalintra 4:5dbb5145d0a9 38
ckalintra 4:5dbb5145d0a9 39 int main()
ckalintra 4:5dbb5145d0a9 40 {
ckalintra 4:5dbb5145d0a9 41 //POWER ON SELF TEST
ckalintra 4:5dbb5145d0a9 42 post();
ckalintra 4:5dbb5145d0a9 43
ckalintra 4:5dbb5145d0a9 44 printf("Initialise\n");
ckalintra 4:5dbb5145d0a9 45 //FileSystemLike(*sd);
ckalintra 4:5dbb5145d0a9 46
ckalintra 4:5dbb5145d0a9 47 // call the SDBlockDevice instance initialisation method.
ckalintra 4:5dbb5145d0a9 48 if ( sd.init() != 0) {
ckalintra 4:5dbb5145d0a9 49 printf("Init failed \n");
ckalintra 4:5dbb5145d0a9 50 errorCode(FATAL);
ckalintra 4:5dbb5145d0a9 51 }
ckalintra 4:5dbb5145d0a9 52
ckalintra 4:5dbb5145d0a9 53 //Create a filing system for SD Card
ckalintra 4:5dbb5145d0a9 54 FATFileSystem fs("sd", &sd);
ckalintra 4:5dbb5145d0a9 55
ckalintra 4:5dbb5145d0a9 56 // **************
ckalintra 4:5dbb5145d0a9 57 // Open to APPEND
ckalintra 4:5dbb5145d0a9 58 // **************
ckalintra 4:5dbb5145d0a9 59 fp = fopen("/sd/test.txt","a");
ckalintra 4:5dbb5145d0a9 60
ckalintra 4:5dbb5145d0a9 61 //Check file handle (stream)
ckalintra 4:5dbb5145d0a9 62 if (fp == NULL) {
ckalintra 4:5dbb5145d0a9 63 error("Could not open file for write\n");
ckalintra 4:5dbb5145d0a9 64 errorCode(FATAL);
ckalintra 4:5dbb5145d0a9 65 }
ckalintra 4:5dbb5145d0a9 66
ckalintra 4:5dbb5145d0a9 67 //Set up tasks on the main thread
ckalintra 4:5dbb5145d0a9 68 queue.call_every(5000, takeSample);
ckalintra 4:5dbb5145d0a9 69
ckalintra 4:5dbb5145d0a9 70 //Main queue event loop
ckalintra 4:5dbb5145d0a9 71 queue.dispatch();
ckalintra 4:5dbb5145d0a9 72
ckalintra 4:5dbb5145d0a9 73 }