Diff: sdcard.cpp

Revision:

0:fcab3b154e49

Child:

19:70c911d35e67

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sdcard.cpp	Tue Nov 11 17:33:41 2014 +0000
@@ -0,0 +1,47 @@
+#include <string>
+#include "sdcard.h"
+#include <map>
+
+sdcard::sdcard(): sd(p5, p6, p7, p8, "sd")
+{
+    typeLookup[0x00] = "soil_con";
+    typeLookup[0x01] = "soil_temp";
+    typeLookup[0x02] = "amb_temp";
+    
+    //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];
+ 
+    string l_type = typeLookup[data.type];
+ 
+    sd_location = sd_name + l_type;
+    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("File pointer null, failed to open file\r\n");
+    }
+    
+    string serializedData;
+    
+    for (int i = 0; i < data.readings.size(); i++)
+        fprintf(fp, "%i", data.readings[i]);
+    
+    fclose(fp);
+ 
+    return 1;
+}
\ No newline at end of file