Diff: main.cpp

Revision:

0:a3e9377ba6a5

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Fri Aug 10 16:57:19 2018 +0000
@@ -0,0 +1,57 @@
+#include "mbed.h"
+#include "SDFileSystem.h"
+
+SDFileSystem sd(PTE3, PTE1, PTE2, PTE4, "sd"); // MOSI, MISO, SCK, CS
+DigitalIn sd_cs(PTA16);
+Serial pc(USBTX, USBRX);
+FILE *fp;
+
+uint32_t do_list(const char *fsrc)
+{
+    DIR *d = opendir(fsrc);
+    struct dirent *p;
+    uint32_t counter = 0;
+
+    while ((p = readdir(d)) != NULL) {
+        counter++;
+        printf("%s\n", p->d_name);
+    }
+    closedir(d);
+    return counter;
+}
+
+int main()
+{
+    pc.printf("Initializing \n\r");
+    wait(1);
+    pc.printf("Opening nyah/nyoho.txt\n\r");
+
+    wait(1);
+    fp = fopen("/sd/nyah/nyoho.txt", "r+");
+
+    if (fp == NULL) {
+        pc.printf("Unable to open the file \r\n");
+    } else {
+        pc.printf("\n\rFile pointer address: 0x%X\n\r", &fp);
+        
+        pc.printf("\n\rWriting to nyah/nyoho.txt\n\r");
+        wait(0.25);
+
+        fprintf(fp, "The quick brown fox jumps over the lazy dog");
+
+        rewind(fp);
+        fprintf(fp, "Seiya is trying to eat the SD card please stop him");
+        wait(0.25);
+
+        pc.printf("\n\rFlushing the buffer...\n\r");
+        int flush = fflush(fp);
+        wait(0.25);
+        if (flush == 0) pc.printf("Flush Successful!\n\r");
+        else pc.printf("**WARNING** Flush Failed\n\r");
+    }
+    wait(1);
+    fclose(fp);
+    pc.printf("\n\rDone\r\n");
+    wait(1);
+    exit(3);
+}
\ No newline at end of file