Diff: main.cpp

Revision:

2:b960f9d7b0b3

Parent:

0:bdbd3d6fc5d5

diff -r e4d7342be507 -r b960f9d7b0b3 main.cpp
--- a/main.cpp	Tue May 16 05:18:55 2017 +0000
+++ b/main.cpp	Sun Feb 02 02:45:09 2020 +0000
@@ -1,19 +1,34 @@
 #include "mbed.h"
 #include "SDFileSystem.h"
  
-SDFileSystem sd(p5, p6, p7, p8, "sd"); // the pinout on the mbed Cool Components workshop board
+//SDFileSystem sd(mosi, miso, sclk,   cs, "sd")
+SDFileSystem sd(  PB_5, PB_4, PB_3, PB_6, "sd"); // the pinout on the mbed Cool Components workshop board
+DigitalOut myled(PC_6);
  
-int main() {
-    printf("Hello World!\n");   
- 
+void blink(float on, float off) {
+    myled = 1; // LED is ON
+    wait(on); // 1 sec
+    myled = 0; // LED is OFF
+    wait(off); // 1 sec
+}
+int main() {  
+    blink(0.1, 1);
     mkdir("/sd/mydir", 0777);
     
+    blink(0.1, 1);
     FILE *fp = fopen("/sd/mydir/sdtest.txt", "w");
+    
+    blink(0.1, 1);
     if(fp == NULL) {
         error("Could not open file for write\n");
     }
+    
+    blink(0.1, 1);
     fprintf(fp, "Hello fun SD Card World!");
+    
+    blink(0.1, 1);
     fclose(fp); 
+    
+    blink(0.1, 1);
  
-    printf("Goodbye World!\n");
 }