Revision 2:4535af993186, committed 2014-10-31

Comitter:

scohennm

Date:

Fri Oct 31 22:32:27 2014 +0000

Parent:

1:232e3f430f69

Commit message:

KL46 CapKey program with selectable channels for elements of exhibit design class.

Changed in this revision

diff -r 232e3f430f69 -r 4535af993186 cdg_main.cpp
--- a/cdg_main.cpp	Wed Oct 29 22:13:25 2014 +0000
+++ b/cdg_main.cpp	Fri Oct 31 22:32:27 2014 +0000
@@ -6,7 +6,7 @@
 // Four inputs and Four relays
 // Changed to simulate capkeys with the KL on board buttons
 #define PROGNAME "DG Cap Key v1.1\r\n"
-#define KEYHIT "KEY1"
+#define KEYHIT "SND"
 #define SERIAL_SPEED 9600
 #define HIGH 1
 #define LOW 0
@@ -16,31 +16,25 @@
 #define LED_ON LOW
 #define LED_OFF HIGH
 #define DEBOUNCE 50
-#define NUMREL 2 // really just the number of outputs
+#define NUMREL 4 // really just the number of outputs
 #define LCDDELAY 0.200
 #define COUNTERLIMIT 300
 
-// constants won't change. They're used here to 
+
+DigitalOut Relays[NUMREL] = {D10,D11,D12,D13}; // corresponds to touches 1,2,3,4
+//DigitalIn capKeys[NUMREL] = {D2,D4,D6,D8};
+DigitalOut capRST[NUMREL] = {D3,D5,D7,D9};
+DigitalIn sendKey(PTC3); // on board buttons just use 1 for test
 
 
 
-/*
-DigitalOut Relays[NUMREL] = {D10,D11,D12,D13}; // corresponds to touches 1,2,3,4
-DigitalIn capKeys[NUMREL] = {PTC3,D4,D6,D8};
-DigitalOut capRST[NUMREL] = {D3,D5,D7,D9};
-*/
-// make two channel both buttons for testing
-DigitalOut Relays[NUMREL] = {D10,D11}; 
-DigitalIn capKeys[NUMREL] = {PTC3, PTC12}; // on board buttons
-DigitalOut capRST[NUMREL] = {D3,D5};
-DigitalOut LEDs[NUMREL] = {LED_GREEN, LED_RED};
-/*
-DigitalOut RLed(LED_RED);
-DigitalOut GLed(LED_GREEN);
-*/
+
 Timer millis;
 Serial pc(USBTX, USBRX);
 SLCD slcd; //define LCD display
+InterruptIn chanButton(PTC12);
+int channelSelect=0;
+int channelDisplay = 1;
 
 // variables will change:
 int buttonState = true;
@@ -48,6 +42,11 @@
 long capKeyTimeout;
 int LCDCounter = 0;
 
+void getChannel() { // button interrupt
+    channelSelect = (channelSelect + 1) % NUMREL;
+    channelDisplay = channelSelect +1;
+}
+    
 void LCDMess(char *lMess, float dWait){
         slcd.Home();
         slcd.clear();
@@ -59,11 +58,13 @@
 int main() {
   int i;
   int buttonVal = 0;
-  int buttonVal2 = 0;
-  int ledState = LED_ON;
+
   char lcdData[10]; //buffer needs places dor decimal pt and colon
 
   int OKtoRead = true;
+  
+  chanButton.fall(&getChannel);
+  
   // initialize the LED pin as an output:  
   millis.start();
   millis.reset();
@@ -72,39 +73,27 @@
   for (i=0; i<NUMREL; i++){ 
           Relays[i].write(RELAY_OFF);
           capRST[i].write(HIGH);
-          LEDs[i].write(LED_OFF);
   }  
 
  while (true) {
-   // For dramatic effect
-   ledState = !ledState;
-   LCDCounter++;
-   LCDCounter = LCDCounter % COUNTERLIMIT;
-   sprintf (lcdData,"%3d",LCDCounter);
+   // Show active channel
+   
+   sprintf (lcdData,"CH-%1d",channelDisplay);
    LCDMess(lcdData, LCDDELAY);
-   //RLed.write(ledState);
-   //GLed.write(ledState);
-   //End dramatic effect
-   
    
   // read the state of the pushbutton value:
   if(OKtoRead) {
-    for (i=0; i<NUMREL;i++){
-      buttonVal = ! capKeys[i].read();
-      wait_ms(DEBOUNCE);
-       buttonVal2 = ! capKeys[i].read();
-       buttonVal = buttonVal && buttonVal2;
-        if (buttonVal){    
-          LCDMess(KEYHIT, LCDDELAY);
-          Relays[i].write(RELAY_ON);    
-          capRST[i].write(LOW); //reset the cap key
-          LEDs[i].write(LED_ON);
-          pc.printf("Relay = %d \n\r", i);
-          millis.reset();
-          relayTimeout = RESET_DELAY;
-          OKtoRead = false;
-          break;
-        }
+    buttonVal = !sendKey.read() ; // on board buttons just use 1
+    if (buttonVal){    
+        sprintf (lcdData,"SND%1d",channelDisplay);
+        LCDMess(lcdData, LCDDELAY);
+        Relays[channelSelect].write(RELAY_ON);    
+        capRST[channelSelect].write(LOW); //reset the cap key
+        pc.printf("Relay = %d \n\r", channelSelect);
+        millis.reset();
+        relayTimeout = RESET_DELAY;
+        OKtoRead = false;
+    
       }
     }//end OKtoRead
 
@@ -112,8 +101,7 @@
       OKtoRead = true;
       for (i=0; i<NUMREL; i++){ 
          Relays[i].write(RELAY_OFF);
-         capRST[i].write(HIGH); 
-         LEDs[i].write(LED_OFF);       
+         capRST[i].write(HIGH);     
        }  
      }