SD card functionality
Dependents: ELEC350_Project2 SDcard
Diff: SDCard.cpp
- Revision:
- 8:ee8f65745141
- Parent:
- 7:393fa8184388
- Child:
- 9:113f4934b907
--- a/SDCard.cpp Mon Dec 17 16:10:40 2018 +0000 +++ b/SDCard.cpp Wed Dec 19 12:02:14 2018 +0000 @@ -8,61 +8,46 @@ //REQUIRES IMPROVEMENTS, SEE ONENOTE //Initialise the SD card - if ( sd.init() != 0) { - printf("Init failed \n"); - lcd.cls(); - lcd.printf("CANNOT INIT SD"); - errorCode(FATAL); + if (sd.init() != 0) { + pc->printf("WARNING:SD CARD INITIALISATION FAILED\n\r"); + sd_init = false; + //lcd.cls(); + //lcd.printf("CANNOT INIT SD"); + //errorCode(FATAL); } - - //Create a filing system for SD Card - //FATFileSystem fs("sd", &sd); - fs = new FATFileSystem("sd", &sd); - - //Open to WRITE + else + { + //Create a filing system for SD Card + fs = new FATFileSystem("sd", &sd); + pc->printf("SD CARD INITIALISED\n\r"); - char fileDate[30]; - seconds = time(NULL); - timeData = localtime(&seconds); - set_time(mktime(timeData)); - strftime(fileDate, 30, "sd/sampledata/%d_%m_%y.csv", timeData); + //Open to WRITE + char fileDate[30]; + seconds = time(NULL); + timeData = localtime(&seconds); + set_time(mktime(timeData)); + strftime(fileDate, 30, "sd/log_%d_%m_%y.csv", timeData); + + fp = fopen(fileDate,"a"); + + if (fp == NULL) + { + pc->printf("WARNING: COULD NOT OPEN FILE FOR WRITE\n\r"); + //lcd.cls(); + //lcd.printf("CANNOT OPEN FILE\n\n"); + //errorCode(FATAL); + } + else + { + pc->printf("FILE OPEN FOR WRITING\n\r"); + sd_init = true; + } + fclose(fp); + } - fp = fopen(fileDate,"a"); - if (fp == NULL) { - error("Could not open file for write\n"); - lcd.cls(); - lcd.printf("CANNOT OPEN FILE\n\n"); - errorCode(FATAL); - } - - fclose(fp); - - //Last message before sampling begins + //Last message before sampling begins - probably remove lcd.cls(); lcd.printf("SYSTEM READY\n\n"); - - - - //move? - //Press either switch to unmount - /* - while ((SW1 == 0) && (SW2 == 0)) { - - - //Write to SD (potentially slow) - //fprintf(fp, "%6.1f,%.2f\n\r", temp, pressure); - - } - - //Close File - fclose(fp); - - //Close down - sd.deinit(); - printf("Unmounted...\n"); - lcd.cls(); - lcd.printf("Unmounted...\n\n"); - */ } void SDread(int n)