Diff: main.cpp

Revision:

0:332d2465356a

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon Feb 09 20:39:33 2015 +0000
@@ -0,0 +1,179 @@
+#include "mbed.h"
+#include <map>
+#include <string>
+
+InterruptIn pound(p25);
+InterruptIn ldr(p16);
+
+DigitalOut myled(LED1);
+DigitalOut dot(p20);
+DigitalOut dash(p19);
+DigitalOut buzz(p18);
+DigitalOut newled(p15);
+
+Timer t1;
+Timer t2;
+Timer t3;
+
+std::map<std::string, char> asciiMap;
+
+Serial pc(USBTX, USBRX);
+std::string curStr;
+
+int state = 0;
+int spacestate =0;
+
+void init(){
+        asciiMap[".-"]='a';
+        asciiMap["-..."]='b';
+        asciiMap["-.-."]='c';
+        asciiMap["-.."]='d';
+        asciiMap["."]='e';
+        asciiMap["..-."]='f';
+        asciiMap["--."]='g';
+        asciiMap["...."]='h';
+        asciiMap[".."]='i';
+        asciiMap[".---"]='j';
+        asciiMap["-.-"]='k';
+        asciiMap[".-.."]='l';
+        asciiMap["--"]='m';
+        asciiMap["-."]='n';
+        asciiMap["---"]='o';
+        asciiMap[".--."]='p';
+        asciiMap["--.-"]='q';
+        asciiMap[".-."]='r';
+        asciiMap["..."]='s';
+        asciiMap["-"]='t';
+        asciiMap["..-"]='u';
+        asciiMap["...-"]='v';
+        asciiMap[".--"]='w';
+        asciiMap["-..-"]='x';
+        asciiMap["-.--"]='y';
+        asciiMap["--.."]='z';
+        asciiMap[".----"]='1';
+        asciiMap["..---"]='2';
+        asciiMap["...--"]='3';
+        asciiMap["....-"]='4';
+        asciiMap["....."]='5';
+        asciiMap["-...."]='6';
+        asciiMap["--..."]='7';
+        asciiMap["---.."]='8';
+        asciiMap["----."]='9';
+        asciiMap["-----"]='0';
+}
+
+void ldrON() {
+        t2.stop();
+        
+        t3.start();
+        //pc.printf(" ldr on ");
+        
+    }
+
+void ldrOFF() {
+    t3.stop();
+    buzz = 1;
+    wait(t3.read());
+    buzz = 0;
+    if(t3.read_ms() > 30 && t3.read_ms() <= 200){
+            dot = 0;
+            //buzz =0;
+            curStr = curStr + ".";
+            //pc.printf(".");
+        }
+        else if (t3.read_ms() > 200) {
+            //dash= 0;
+            //buzz = 0;
+            curStr = curStr + "-";
+            //pc.printf("-");
+        }
+        wait(0.1);
+        
+    dot =1;
+    
+    t3.reset();
+    t2.reset();
+    
+    t2.start();
+    }
+
+void pPress () {
+        //t2.stop();
+                   
+        t1.start();
+        myled = 1;
+        newled = 0;
+        //buzz = 1;
+        
+    }
+void pRelease() {
+        t1.stop();
+        /*if(t1.read_ms() > 30 && t1.read_ms() <= 200){
+            dot = 0;
+            //buzz =0;
+            curStr = curStr + ".";
+            //pc.printf(".");
+        }
+        else if (t1.read_ms() > 200) {
+            //dash= 0;
+            //buzz = 0;
+            curStr = curStr + "-";
+            //pc.printf("-");
+        }
+        wait(0.1);
+        */
+        t1.reset();
+        //t2.reset();
+        state = 1;
+        
+        //dot = 1;
+        //buzz = 0;
+        //dash = 1;
+        myled = 0;
+        newled = 1;
+        
+        //t2.start();
+    }
+int main() {
+    init();
+    
+    dot=1;
+    dash=1;
+    buzz = 0;
+    myled = 0;
+    newled = 1;
+    
+    pound.rise(&pPress);
+    pound.fall(&pRelease);
+    
+    ldr.rise(&ldrON);
+    ldr.fall(&ldrOFF);
+    
+    t2.start();
+    while(1) {
+        if(t3.read_ms()> 200) {
+            dash = 0;
+            //buzz = 0;
+            wait(0.1);
+            dash = 1;
+            //buzz =1;
+            }
+        char c;
+        if(t2.read_ms() > 400 && state ==1) {
+            dot = 1;
+            dash= 1;
+            spacestate = 1;
+            //buzz = 1;
+            c = asciiMap[curStr];
+            pc.printf("%c",c);
+            curStr.clear();
+            //pc.printf(" ");
+            state =0;
+            //pc.printf("%s",curStr);
+        }
+        if(spacestate == 1 && t2.read_ms() > 5000){
+            pc.printf(" ");
+            spacestate =0;
+        }
+    }
+}
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