GDP group 24 node core
Dependencies: EthernetInterface SDFileSystem mbed-rtos mbed snail MbedJSONValue
sdcard.cpp
- Committer:
- jakehodges
- Date:
- 2015-01-27
- Revision:
- 23:b57a47c7862a
- Parent:
- 19:70c911d35e67
File content as of revision 23:b57a47c7862a:
#include <string> #include "sdcard.h" #include <map> sdcard::sdcard(): sd(p5, p6, p7, p8, "sd") { //first write sometimes fails, let's ensure the first write isn't real data FILE *fp = fopen("/sd/boot", "w"); fprintf(fp, "boot"); fclose(fp); } int sdcard::write(long int time, d_reply data) { string sd_name = "/sd/"; string sd_location =""; char time_s[64]; char buffer[20]; sprintf(buffer, "%i", data.type); string dataTypeStr = string(buffer); sd_location = sd_name + dataTypeStr; mkdir(sd_location.c_str(), 0777); sprintf(time_s, "%d", time); sd_location += "/" + string(time_s) + ".txt"; FILE *fp = fopen(sd_location.c_str(), "w"); if (fp == NULL) { printf("[SD] File pointer null, failed to open file\r\n"); } string serializedData; for (int i = 0; i < data.readings.size(); i++) fprintf(fp, "%i\r\n", data.readings[i]); fclose(fp); return 1; }