Diff: keyer_test_v3.cpp

Revision:

0:6c16ec0e7b9d

Child:

1:6f0197189fcc

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/keyer_test_v3.cpp	Tue Dec 16 03:14:27 2014 +0000
@@ -0,0 +1,151 @@
+#include "mbed.h"
+#include "SLCD.h"
+#include "TSISensor.h"
+
+#define BASESPEED   1.200
+#define DOT         1
+#define DASH        3
+#define INTERCHAR   3
+#define CHANNELON   0
+#define CHANNELOFF  1
+#define LCDLEN      10
+#define DOTMESS     "DIT"
+#define DASHMESS    "DAH"
+#define IAMMESS     "IAMB"
+#define NULLMESS    "111"  // LCD idle message
+#define FIXEDWPM    13
+#define LOWSPEED   5
+#define SPPEDINT    25.0 // This gives a max speed of 30 - 5 + 25
+
+#define STATECOEF   2
+#define IDLE        0
+#define DIT         1
+#define DAH         2
+#define IAM         3
+
+SLCD slcd; //define LCD display
+// keyer test
+TSISensor tsiScaling; // Capacitive sensor/slider
+DigitalIn RtButton(PTC12);
+DigitalIn LftButton(PTC3);
+DigitalIn DahPaddle(PTD7);
+DigitalIn DitPaddle(PTD6);
+DigitalOut led(LED_RED);
+DigitalOut outPin(PTC9); //J1-16
+int KeyState = IDLE;
+
+
+void LCDMessNoDwell(char *lMess){
+        slcd.Home();
+        slcd.clear();
+        slcd.printf(lMess);
+} 
+
+void makeDit (float dotLen,DigitalOut outChannel, DigitalOut cloneChannel) {
+    outChannel.write(CHANNELON);
+    cloneChannel.write(CHANNELON);
+    wait(dotLen);
+    outChannel.write(CHANNELOFF);
+    cloneChannel.write(CHANNELOFF);
+    wait(float(DOT)*dotLen);
+    return;
+}
+    
+void makeDah (float dotLen,DigitalOut outChannel, DigitalOut cloneChannel) {
+    outChannel.write(CHANNELON);
+    cloneChannel.write(CHANNELON);
+    wait(float(DASH)*dotLen);
+    outChannel.write(CHANNELOFF);
+    cloneChannel.write(CHANNELOFF);
+    wait(float(DOT)*dotLen);
+    return;
+}
+
+
+int main(){
+    int wpm = FIXEDWPM;
+    float elementLen;  // period in seconds
+    int RButtonState;
+    int LButtonState;
+    int DahPaddleState;
+    int DitPaddleState;
+    char lcdData[LCDLEN];
+    float tempValue;
+    int lastKeyHit = DIT;
+    
+    
+    elementLen = BASESPEED / (float) wpm;
+    
+    led.write(CHANNELOFF);
+    outPin.write(CHANNELOFF);
+    sprintf (lcdData,"%d",wpm);
+    LCDMessNoDwell(lcdData);
+    
+    
+    while (true) {
+    /*
+        RButtonState = !RtButton.read(); // button is pulled up so false is when button is pushed it's inverted to avoid confusion downstream
+        if (RButtonState){
+           KeyState = DAH;  
+        }
+        LButtonState = !LftButton.read();
+        if (LButtonState) {
+            KeyState = DIT;
+        }        
+    */
+       RButtonState = !RtButton.read();
+       LButtonState = !LftButton.read();
+       DahPaddleState =!DahPaddle.read();
+       DitPaddleState = !DitPaddle.read();
+       KeyState = LButtonState + STATECOEF*RButtonState;
+       KeyState = KeyState + DitPaddleState + STATECOEF*DahPaddleState;
+        
+        switch (KeyState) {
+            case DAH:{
+                LCDMessNoDwell(DASHMESS);
+                makeDah(elementLen,outPin,led);
+                KeyState = IDLE; 
+                lastKeyHit = DAH;
+                sprintf (lcdData,"%d",wpm);
+                LCDMessNoDwell(lcdData); 
+                break;     
+            }
+            case DIT:{
+                LCDMessNoDwell(DOTMESS);
+                makeDit(elementLen,outPin,led);             
+                KeyState = IDLE;
+                lastKeyHit = DIT;
+                sprintf (lcdData,"%d",wpm);
+                LCDMessNoDwell(lcdData); 
+                break;
+            }
+            case IAM:{
+                LCDMessNoDwell(IAMMESS);
+                if (lastKeyHit == DAH){;
+                    makeDit(elementLen,outPin,led);  
+                    makeDah( elementLen,outPin,led);
+                    lastKeyHit = DAH;  
+                }  else {
+                    makeDah(elementLen,outPin,led);  
+                    makeDit(elementLen,outPin,led);
+                    lastKeyHit = DIT;  
+                }      
+                KeyState = IDLE;
+                sprintf (lcdData,"%d",wpm);
+                LCDMessNoDwell(lcdData); 
+                break;
+            }
+            case IDLE:{
+                tempValue = tsiScaling.readPercentage();
+                if(tempValue > 0) {
+                    wpm =  LOWSPEED + int(tempValue * SPPEDINT);
+                    elementLen = BASESPEED / (float) wpm;
+                    sprintf (lcdData,"%d",wpm);
+                    LCDMessNoDwell(lcdData);
+                }             
+                break;
+            }
+        } 
+         
+    } // while forever
+}// end main
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