Stanley Cohen / Mbed 2 deprecated CapKey_46_v2_sensors

Full six channel cap sensor input and output CDG KL46Z control to Raspberry Pi NMHU Elements of Exhibit Design Fall 2014

Dependencies:   SLCD mbed

Fork of CapKey_46_v2_button_osmon by John Osmon

cdg_main.cpp@4:34ca86236686, 2014-11-13 (annotated)

Committer:
scohennm
Date:
Thu Nov 13 03:24:24 2014 +0000
Revision:
4:34ca86236686
Parent:
3:ee958939c828 
Full six channel cap sensor input and output CDG KL46Z control to Raspberry Pi

Who changed what in which revision?

UserRevisionLine numberNew contents of line
scohennm 0:8a169bac9011 1 #include "mbed.h"
scohennm 0:8a169bac9011 2 #include "SLCD.h"
scohennm 0:8a169bac9011 3
scohennm 0:8a169bac9011 4 //Dating Game Capkey controller 07/16/2013 sc
scohennm 0:8a169bac9011 5 // Modified for mbet KL46Z 10/07/2014
scohennm 0:8a169bac9011 6 // Four inputs and Four relays
scohennm 1:232e3f430f69 7 // Changed to simulate capkeys with the KL on board buttons
scohennm 4:34ca86236686 8 #define PROGNAME "DG Cap Key v2.1\r\n"
scohennm 2:4535af993186 9 #define KEYHIT "SND"
scohennm 4:34ca86236686 10 #define IDLEMESS "IDLE"
scohennm 0:8a169bac9011 11 #define HIGH 1
scohennm 0:8a169bac9011 12 #define LOW 0
scohennm 1:232e3f430f69 13 #define RESET_DELAY 1200
scohennm 0:8a169bac9011 14 #define RELAY_ON HIGH
scohennm 0:8a169bac9011 15 #define RELAY_OFF LOW
scohennm 0:8a169bac9011 16 #define LED_ON LOW
scohennm 0:8a169bac9011 17 #define LED_OFF HIGH
scohennm 0:8a169bac9011 18 #define DEBOUNCE 50
josmon 3:ee958939c828 19 #define NUMREL 6 // really just the number of outputs
scohennm 0:8a169bac9011 20 #define LCDDELAY 0.200
scohennm 0:8a169bac9011 21 #define COUNTERLIMIT 300
scohennm 4:34ca86236686 22 #define TESTCHANNEL 0
scohennm 4:34ca86236686 23 #define LEDDELAY 0.75
scohennm 4:34ca86236686 24 #define CHNLLCDPRINT "CH-%1d"
scohennm 4:34ca86236686 25 #define RASPIOUTDBG "PIOUT = %d \n\r"
scohennm 2:4535af993186 26
josmon 3:ee958939c828 27 DigitalOut Relays[NUMREL] = {D10,D11,D12,D13,PTC13,PTC16}; // corresponds to touches 1,2,3,4
scohennm 4:34ca86236686 28 DigitalIn capKeys[NUMREL] = {D2,D4,D6,D8,PTC6,PTC7};
josmon 3:ee958939c828 29 DigitalOut capRST[NUMREL] = {D3,D5,D7,D9,PTC10,PTC11};
scohennm 4:34ca86236686 30 //DigitalIn sendKey(PTC3); // on board buttons just use 1 for test
scohennm 4:34ca86236686 31 DigitalOut REDLed(LED_RED); // red led
scohennm 4:34ca86236686 32 DigitalOut GREENLed(PTD5); // green led
scohennm 1:232e3f430f69 33
scohennm 0:8a169bac9011 34
scohennm 0:8a169bac9011 35
scohennm 4:34ca86236686 36 Ticker ledBlink; // timinginterrupt for RED led
scohennm 0:8a169bac9011 37 Timer millis;
scohennm 0:8a169bac9011 38 Serial pc(USBTX, USBRX);
scohennm 0:8a169bac9011 39 SLCD slcd; //define LCD display
scohennm 4:34ca86236686 40 //InterruptIn chanButton(PTC12);
scohennm 2:4535af993186 41 int channelSelect=0;
scohennm 2:4535af993186 42 int channelDisplay = 1;
scohennm 0:8a169bac9011 43
scohennm 0:8a169bac9011 44 // variables will change:
scohennm 0:8a169bac9011 45 int buttonState = true;
scohennm 0:8a169bac9011 46 long relayTimeout;
scohennm 0:8a169bac9011 47 long capKeyTimeout;
scohennm 0:8a169bac9011 48 int LCDCounter = 0;
scohennm 4:34ca86236686 49 int outState = false;
scohennm 4:34ca86236686 50
scohennm 4:34ca86236686 51 void LEDBlinker(){ // RED LED interrupt
scohennm 4:34ca86236686 52 outState = !outState;
scohennm 4:34ca86236686 53 REDLed.write(outState);
scohennm 4:34ca86236686 54 GREENLed.write(!outState);
scohennm 4:34ca86236686 55 }
scohennm 0:8a169bac9011 56
scohennm 2:4535af993186 57 void getChannel() { // button interrupt
scohennm 2:4535af993186 58 channelSelect = (channelSelect + 1) % NUMREL;
scohennm 2:4535af993186 59 channelDisplay = channelSelect +1;
scohennm 2:4535af993186 60 }
scohennm 2:4535af993186 61
scohennm 0:8a169bac9011 62 void LCDMess(char *lMess, float dWait){
scohennm 0:8a169bac9011 63 slcd.Home();
scohennm 0:8a169bac9011 64 slcd.clear();
scohennm 0:8a169bac9011 65 slcd.printf(lMess);
scohennm 0:8a169bac9011 66 wait(dWait);
scohennm 0:8a169bac9011 67 }
scohennm 0:8a169bac9011 68 // variable for reading the pushbutton status
scohennm 0:8a169bac9011 69
scohennm 0:8a169bac9011 70 int main() {
scohennm 0:8a169bac9011 71 int i;
scohennm 0:8a169bac9011 72 int buttonVal = 0;
scohennm 2:4535af993186 73
scohennm 4:34ca86236686 74 char lcdData[10]; //buffer needs places for decimal pt and colon
scohennm 0:8a169bac9011 75 int OKtoRead = true;
scohennm 2:4535af993186 76
scohennm 4:34ca86236686 77 ledBlink.attach(&LEDBlinker, LEDDELAY);// Alive LED
scohennm 0:8a169bac9011 78 millis.start();
scohennm 0:8a169bac9011 79 millis.reset();
scohennm 0:8a169bac9011 80
scohennm 4:34ca86236686 81 pc.printf(PROGNAME);
scohennm 4:34ca86236686 82 sprintf (lcdData,IDLEMESS); //Show that things are on
scohennm 4:34ca86236686 83 LCDMess(lcdData, LCDDELAY);
scohennm 0:8a169bac9011 84 for (i=0; i<NUMREL; i++){
scohennm 0:8a169bac9011 85 Relays[i].write(RELAY_OFF);
scohennm 0:8a169bac9011 86 capRST[i].write(HIGH);
scohennm 4:34ca86236686 87 capKeys[i].mode(PullDown); // click out the pull-up resistor looks like it needs a pulldown
scohennm 0:8a169bac9011 88 }
scohennm 0:8a169bac9011 89
scohennm 0:8a169bac9011 90 while (true) {
scohennm 2:4535af993186 91 // Show active channel
scohennm 2:4535af993186 92
scohennm 4:34ca86236686 93
scohennm 0:8a169bac9011 94
scohennm 0:8a169bac9011 95 // read the state of the pushbutton value:
scohennm 0:8a169bac9011 96 if(OKtoRead) {
scohennm 4:34ca86236686 97 for (i=TESTCHANNEL; i<NUMREL; i++){
scohennm 4:34ca86236686 98 if (capKeys[i] == HIGH) {
scohennm 4:34ca86236686 99 channelSelect = i;
scohennm 4:34ca86236686 100 channelDisplay = channelSelect +1;
scohennm 4:34ca86236686 101 buttonVal = true; // Got a touch
scohennm 4:34ca86236686 102 break;
scohennm 4:34ca86236686 103 }
scohennm 4:34ca86236686 104 }
scohennm 4:34ca86236686 105 //buttonVal = !sendKey.read() ; // on board buttons just use 1
scohennm 2:4535af993186 106 if (buttonVal){
scohennm 2:4535af993186 107 Relays[channelSelect].write(RELAY_ON);
scohennm 2:4535af993186 108 capRST[channelSelect].write(LOW); //reset the cap key
scohennm 4:34ca86236686 109 pc.printf(RASPIOUTDBG, channelSelect);
scohennm 2:4535af993186 110 millis.reset();
scohennm 2:4535af993186 111 relayTimeout = RESET_DELAY;
scohennm 2:4535af993186 112 OKtoRead = false;
scohennm 4:34ca86236686 113 buttonVal = false;
scohennm 4:34ca86236686 114 sprintf (lcdData,CHNLLCDPRINT,channelDisplay);
scohennm 4:34ca86236686 115 LCDMess(lcdData, LCDDELAY);
scohennm 2:4535af993186 116
scohennm 0:8a169bac9011 117 }
scohennm 0:8a169bac9011 118 }//end OKtoRead
scohennm 1:232e3f430f69 119
scohennm 0:8a169bac9011 120 if (millis.read_ms() > relayTimeout) {
scohennm 0:8a169bac9011 121 OKtoRead = true;
scohennm 4:34ca86236686 122 sprintf (lcdData,IDLEMESS);
scohennm 4:34ca86236686 123 LCDMess(IDLEMESS, LCDDELAY);
scohennm 0:8a169bac9011 124 for (i=0; i<NUMREL; i++){
scohennm 0:8a169bac9011 125 Relays[i].write(RELAY_OFF);
scohennm 2:4535af993186 126 capRST[i].write(HIGH);
scohennm 0:8a169bac9011 127 }
scohennm 0:8a169bac9011 128 }
scohennm 1:232e3f430f69 129
scohennm 0:8a169bac9011 130 }// end forever while
scohennm 0:8a169bac9011 131 } // end main