Diff: sdcard.cpp

Revision:

0:bb17d0395fb8

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sdcard.cpp	Mon May 18 16:16:15 2015 +0000
@@ -0,0 +1,45 @@
+#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;
+}
\ No newline at end of file