Example program demonstrates SD card library

Dependencies:   SDFileSystem USBDevice max32630fthr

Fork of FTHR_SD_Demo by Greg Steiert

This example program writes "Hello World!" into a file named "myfile.txt" on the card inserted into the microSD card connector.

Revision:
1:90313362ec11
Parent:
0:60a522ae2e35
Child:
3:247c750f9f3d
--- a/main.cpp	Fri Nov 11 21:08:36 2016 +0000
+++ b/main.cpp	Wed Nov 16 01:02:04 2016 +0000
@@ -1,28 +1,33 @@
 #include "mbed.h"
-
-#define MAX14690_I2C_ADDR    0x50
+#include "max32630fthr.h"
+#include "SDFileSystem.h"
 
-DigitalOut led1(LED1);
-I2C i2cm2(P5_7, P6_0);
+DigitalOut rLED(LED1);
+DigitalOut gLED(LED2);
 
+SDFileSystem sd(P0_5, P0_6, P0_4, P0_7, "sd");  // mosi, miso, sclk, cs
 
 // main() runs in its own thread in the OS
 // (note the calls to Thread::wait below for delays)
 int main()
 {
-    char data[5];
-    data[0] = 0x14; // I2C address for first register (LDO2 CFG)
-    data[1] = 0x00; // Dissable LDO2
-    data[2] = 0x19; // Set voltage to 3.3V
-    data[3] = 0x00; // Dissable LDO3
-    data[4] = 0x19; // Set voltage to 3.3V
-    i2cm2.write(MAX14690_I2C_ADDR, data, 5);
-    data[1] = 0x02; // Enable LDO2
-    data[3] = 0x02; // Enable LDO3
-    i2cm2.write(MAX14690_I2C_ADDR, data, 5);
+    gLED = LED_OFF;
+    rLED = LED_ON;
+    
+    max32630fthrInit();
+    vddioh(P0_4, TRUE);
+    vddioh(P0_5, TRUE);
+    vddioh(P0_6, TRUE);
+    vddioh(P0_7, TRUE);
+    gLED = LED_ON;
+
+    FILE *fp = fopen("/sd/myfile.txt", "w");
+    fprintf(fp, "Hello World!\n");
+    fclose(fp);
+    rLED = LED_OFF;
 
     while (true) {
-        led1 = !led1;
+        gLED = !gLED;
         Thread::wait(500);
     }
 }