GDP group 24 node core
Dependencies: EthernetInterface SDFileSystem mbed-rtos mbed snail MbedJSONValue
sdcard.cpp
- Committer:
- Trumple
- Date:
- 2015-01-28
- Revision:
- 31:9cf3f1e5ad68
- Parent:
- 23:b57a47c7862a
File content as of revision 31:9cf3f1e5ad68:
#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;
}
