Diff: main.cpp

Revision:

0:257ce4f4805b

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Tue Nov 30 22:18:16 2010 +0000
@@ -0,0 +1,179 @@
+#include "mbed.h"
+
+#define numsamples 1
+int touchSense1(void);  //function for the button 1
+
+DigitalOut myled1(LED1);
+AnalogIn input1(p20);
+DigitalIn charger1(p19);
+DigitalOut ground1(p18);
+Serial pc(USBTX, USBRX); // tx, rx
+
+int touchSense2(void);  //function for the button 2
+
+DigitalOut myled2(LED4);
+AnalogIn input2(p15);
+DigitalIn charger2(p16);
+DigitalOut ground2(p17);
+
+int getc();
+void setcode();
+     
+
+char incode[10];
+char strcode[10];
+char matcode[10];
+char temp;
+int codelen = 1;
+int matlen;
+int i=0;
+int j=0;
+int flag1 = 0;
+int flag2 = 0;
+int failflag = 0;
+
+int main() {
+
+  for (i=0;i<10;i++){   //initial the char array
+    incode[i] = 'a';    
+    strcode[i] = 'a';
+  }
+
+  pc.attach(&setcode, Serial::RxIrq);
+
+  while(1) {
+    
+    
+   if (touchSense1()) { 
+       wait (0.005);    //wait 5ms for checking press
+       if (touchSense1()){
+            myled1 = 1;
+            if (flag1 == 0){
+                flag1 =1;   //flag1 for symbol press
+                pc.printf("1");
+                matcode[matlen] = '1'; //record for compare
+                matlen ++;
+             }
+        }
+         
+    } else {
+        wait(0.005);  //wait 5ms confirm release
+        if (touchSense1()==0){
+            myled1 = 0;
+            flag1 = 0; //clear flag
+        }
+    }
+    
+ 
+    if (touchSense2()) { //samiliar as above 1
+       wait (0.005);
+       if (touchSense2()){
+            myled2 = 1;
+            if (flag2 == 0){
+                flag2 =1;
+                pc.printf("0");
+                matcode[matlen] = '0';
+                matlen ++;
+             }
+        }
+         
+    } else {
+        wait(0.005);
+        if (touchSense2()==0){
+            myled2 = 0;
+            flag2 = 0;
+        }
+    }
+    
+    if (flag1 == 1 && flag2 == 1){ //detect press both button
+        pc.printf("\nError, please don't touch both!!");
+        //break;
+    }
+    
+    if (matlen >= codelen){ //check input length match the set up
+        for (i=0;i<codelen;i++){
+            if (matcode[i] != strcode[i])
+                failflag = 1; //flag for symbol not match
+        }
+        
+        if (failflag == 0){
+            pc.printf("\n Congratulations! Code is matched!!\n");
+            matlen = 0;
+            
+        }
+        
+        else{
+            pc.printf("\nSorry, the code is wrong, please input again!!\n");
+            failflag = 0;
+            matlen = 0;
+        }
+        
+    }
+    
+   
+  }
+}
+
+int touchSense1(void) //function for touch sensor
+{
+    float sample;
+    ground1 = 0;
+    charger1.mode(PullUp);
+    charger1.mode(PullNone);
+    sample=input1.read();
+    if (sample < 0.3) {
+        return 1;
+    } else {
+        return 0;
+    }
+}
+int touchSense2(void)
+{
+    float sample;
+    ground2 = 0;
+    charger2.mode(PullUp);
+    charger2.mode(PullNone);
+    sample=input2.read();
+    if (sample < 0.3) {
+        return 1;
+    } else {
+        return 0;
+    }
+}
+
+void setcode(){
+  i=0;
+  j=0;
+  pc.printf("\nPlease inpunt the code:\n");
+  while ((temp = pc.getc())!= 'E') {    //getchar
+    pc.printf("%c",temp);
+    incode[i] = temp;    //put the original char in incode      
+    i++;
+  }    
+  
+  incode[i] = 'E'; //put "E" last as the end symbol
+  pc.printf("%c",temp);
+  pc.printf("\nThanks for the string, your input is\n");
+  
+  for (i=0;i<10;i++){   //extract 0/1 from incode to strcode
+    if (incode[i] == 'E')
+        break;
+    else{
+        if (incode[i] == '0' || incode[i] == '1'){
+            strcode[j] = incode[i];
+            j++;
+        }
+    }
+        
+  }
+  
+  codelen = j;
+  
+  for (j=0;j<codelen;j++)   //display the configuration
+    pc.printf("%c",strcode[j]);
+  pc.printf("\n");
+  
+  matlen = 0;  
+  
+  pc.printf("\nPlease input the code:");
+}
\ No newline at end of file