Oliver Foyle / Mbed 2 deprecated GDP_NodeCore

GDP group 24 node core

Dependencies:   EthernetInterface SDFileSystem mbed-rtos mbed snail MbedJSONValue

sdcard.cpp@23:b57a47c7862a, 2015-01-27 (annotated)

Committer:
jakehodges
Date:
Tue Jan 27 22:20:46 2015 +0000
Revision:
23:b57a47c7862a
Parent:
19:70c911d35e67 
Update JSON message to server to include int array. Update sensordata message to reflect changes in SNAIL. Fix SD card location string. Fix I2C id conflict.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Trumple 0:fcab3b154e49 1 #include <string>
Trumple 0:fcab3b154e49 2 #include "sdcard.h"
Trumple 0:fcab3b154e49 3 #include <map>
Trumple 0:fcab3b154e49 4
Trumple 0:fcab3b154e49 5 sdcard::sdcard(): sd(p5, p6, p7, p8, "sd")
jakehodges 19:70c911d35e67 6 {
Trumple 0:fcab3b154e49 7 //first write sometimes fails, let's ensure the first write isn't real data
Trumple 0:fcab3b154e49 8 FILE *fp = fopen("/sd/boot", "w");
Trumple 0:fcab3b154e49 9 fprintf(fp, "boot");
Trumple 0:fcab3b154e49 10 fclose(fp);
Trumple 0:fcab3b154e49 11 }
Trumple 0:fcab3b154e49 12
Trumple 0:fcab3b154e49 13 int sdcard::write(long int time, d_reply data)
Trumple 0:fcab3b154e49 14 {
Trumple 0:fcab3b154e49 15
Trumple 0:fcab3b154e49 16 string sd_name = "/sd/";
Trumple 0:fcab3b154e49 17 string sd_location ="";
Trumple 0:fcab3b154e49 18 char time_s[64];
jakehodges 23:b57a47c7862a 19
jakehodges 23:b57a47c7862a 20 char buffer[20];
jakehodges 23:b57a47c7862a 21 sprintf(buffer, "%i", data.type);
jakehodges 23:b57a47c7862a 22 string dataTypeStr = string(buffer);
jakehodges 23:b57a47c7862a 23
jakehodges 23:b57a47c7862a 24 sd_location = sd_name + dataTypeStr;
Trumple 0:fcab3b154e49 25 mkdir(sd_location.c_str(), 0777);
Trumple 0:fcab3b154e49 26
Trumple 0:fcab3b154e49 27 sprintf(time_s, "%d", time);
Trumple 0:fcab3b154e49 28 sd_location += "/" + string(time_s) + ".txt";
Trumple 0:fcab3b154e49 29
Trumple 0:fcab3b154e49 30 FILE *fp = fopen(sd_location.c_str(), "w");
Trumple 0:fcab3b154e49 31
Trumple 0:fcab3b154e49 32 if (fp == NULL)
Trumple 0:fcab3b154e49 33 {
jakehodges 23:b57a47c7862a 34 printf("[SD] File pointer null, failed to open file\r\n");
Trumple 0:fcab3b154e49 35 }
Trumple 0:fcab3b154e49 36
Trumple 0:fcab3b154e49 37 string serializedData;
Trumple 0:fcab3b154e49 38
Trumple 0:fcab3b154e49 39 for (int i = 0; i < data.readings.size(); i++)
jakehodges 23:b57a47c7862a 40 fprintf(fp, "%i\r\n", data.readings[i]);
Trumple 0:fcab3b154e49 41
Trumple 0:fcab3b154e49 42 fclose(fp);
Trumple 0:fcab3b154e49 43
Trumple 0:fcab3b154e49 44 return 1;
Trumple 0:fcab3b154e49 45 }