Diff: sd.cpp

Revision:

0:77857a36b4ff

Child:

2:bcd60a69583f

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sd.cpp	Fri Mar 27 08:35:29 2015 +0000
@@ -0,0 +1,49 @@
+#include "mbed.h"
+#include "SDFileSystem.h"
+//#include "main.h"
+
+int sd_append(char*);
+
+SDFileSystem sd(PTE3, PTE1, PTE2, PTE4, "sd"); // MOSI, MISO, SCK, CS
+FILE *fp;
+//Serial pc(USBTX, USBRX);
+char buffer[1024];
+
+double utc = 123456.34;
+double mg = 123.4;
+double la = 12345.67;
+
+int sd_append(char* CSVOutput) {
+    printf("Initializing \n");
+    wait(2);
+
+    fp = fopen("/sd/metaData.csv", "r");
+    if (fp != NULL) {
+        fclose(fp);
+        //remove("/sd/hello.txt");
+        printf("Could not open file\n");
+    }
+
+
+    printf("\r\nAppending data to the sd card \r\n");
+    fp = fopen("/sd/metaData.csv", "a");
+    if (fp == NULL) {
+        printf("Unable to write the file \r\n");
+    } else {
+        fprintf(fp, "%s", CSVOutput);
+        fclose(fp);
+        printf("File successfully written! \r\n");
+    }
+
+/*
+    printf("\nReading data from the SD card. \r\n");
+    fp = fopen("/sd/metaData.csv", "r");
+    if (fp != NULL) {
+        int size = fread(buffer, sizeof(char), 1024, fp);
+        printf("Number of data read: %d, text from hello.txt file: %s \r\n", size, buffer);
+        fclose(fp);
+    }
+    //printf("End of Lab 4. \n");
+*/    
+    return 0;        
+}