Diff: main.cpp

Revision:

2:0ee1c0236a11

Parent:

1:a41c274f95e2

diff -r a41c274f95e2 -r 0ee1c0236a11 main.cpp
--- a/main.cpp	Mon Oct 17 00:20:38 2016 +0000
+++ b/main.cpp	Wed Oct 26 08:13:51 2016 +0000
@@ -1,8 +1,8 @@
-#define CPP1 0
-#define C1 1
-
+#define CPP1 1
+#define C1 0
 
 #if CPP1
+//SD card check program C++ version
 #include "mbed.h"
 #include "SDFileSystem.h"
 #include "ACM1602NI.h"
@@ -42,9 +42,11 @@
 
 cChkSw::cChkSw(PinName s1, PinName s2, PinName s3)
 {
+    //Create instance SW1,SW2,SW3
     sw1 = new DigitalIn(s1);
     sw2 = new DigitalIn(s2);
     sw3 = new DigitalIn(s3);
+    //All SW pin set Pull Up
     sw1->mode(PullUp);
     sw2->mode(PullUp);
     sw3->mode(PullUp);
@@ -88,7 +90,6 @@
 int main() {
     char str[80];
 
-
     lcd.cls();
     lcd.locate(0,0);
     lcd.printf("SD Card chkpgm");   
@@ -150,6 +151,7 @@
 #endif
 
 #if C1
+//SD card check program C version
 //
 //
 //
@@ -163,6 +165,7 @@
 DigitalOut led4(p24);
 DigitalOut led5(p25);
 DigitalOut led6(p26);
+//Create instance SW1,SW2,SW3
 DigitalIn  sw1(p14);
 DigitalIn  sw2(p15);
 DigitalIn  sw3(p16);
@@ -212,8 +215,12 @@
 
 int main() {
     char str[80];
-
-
+    
+//All SW pin set Pull Up
+    sw1.mode(PullUp);
+    sw2.mode(PullUp);
+    sw3.mode(PullUp);
+    
     lcd.cls();
     lcd.locate(0,0);
     lcd.printf("SD Card chkpgm");   
@@ -226,7 +233,6 @@
     while(1){
         chksw();
         led6 = 1; 
-        
         if(sw_st[0] == 1){
             led1=led2=led3=led4=led5=led6 = 0;
             led4 = 1;