From 3d0ec3ff8d10a753ad0b42d76311a297dcc63082 Mon Sep 17 00:00:00 2001
From: Tomas Mudrunka <tomas@mudrunka.cz>
Date: Sat, 30 Oct 2021 00:04:49 +0200
Subject: [PATCH] Keypad

---
 .../Exit_Rum/bomba-keypad/bomba-keypad.ino    | 161 ++++++++++++++++++
 1 file changed, 161 insertions(+)
 create mode 100644 arduino/Exit_Rum/bomba-keypad/bomba-keypad.ino

diff --git a/arduino/Exit_Rum/bomba-keypad/bomba-keypad.ino b/arduino/Exit_Rum/bomba-keypad/bomba-keypad.ino
new file mode 100644
index 0000000..179d432
--- /dev/null
+++ b/arduino/Exit_Rum/bomba-keypad/bomba-keypad.ino
@@ -0,0 +1,161 @@
+/*
+ * PS2 pinout cinskej kabel: data cerveny (18), clock bily (19), 5V cerny, GND zluty
+ */
+
+#define SOFTSERIAL
+
+#ifndef SOFTSERIAL
+#include <ps2dev.h>
+PS2dev keyboard(19, 18); //clock, data
+#else
+#include <SoftwareSerial.h>
+//#include <NewSoftSerial.h>
+SoftwareSerial mySerial(18, 19);
+#endif
+
+#include <LedControl.h>
+
+LedControl lc=LedControl(16,14,15,2); //datain, clk, load, number of chips
+unsigned char dispbuf[32];
+
+#include <Keypad.h>
+
+int keyledPin = 3;
+
+const byte ROWS = 4; //four rows
+const byte COLS = 3; //four columns
+//define the cymbols on the buttons of the keypads
+char hexaKeys[ROWS][COLS] = {
+  {'1','2','3'},
+  {'4','5','6'},
+  {'7','8','9'},
+  {'*','0','#'}
+};
+byte rowPins[ROWS] = {10, 9, 8, 7}; //connect to the row pinouts of the keypad
+byte colPins[COLS] = {4, 5, 6}; //connect to the column pinouts of the keypad
+
+//initialize an instance of class NewKeypad
+Keypad customKeypad = Keypad( makeKeymap(hexaKeys), rowPins, colPins, ROWS, COLS);
+
+char scancodes[] = {0x45, 0x16, 0x1E, 0x26, 0x25, 0x2E, 0x36, 0x3D, 0x3E, 0x46, 0x7C, 0x7C}; //Scancodes for numbers 0-9, *, #
+
+void cleardisp(char val) {
+  for(int i = 0; i<8; i++) dispbuf[i] = val;
+}
+
+void drawdisp(int shift) {
+  lc.clearDisplay(0);
+  for(int i = 0; i<8; i++) {
+    if(shift) dispbuf[i] = dispbuf[i+1];
+    if(dispbuf[i] != '_') lc.setDigit(0,7-i,dispbuf[i],false); //addr, digit, value, decimalpoint
+  }
+}
+
+void intro() {
+  cleardisp('_');
+  for(int i = 0; i<100; i++) {
+    analogWrite(keyledPin, i);
+    if(i >= 20*1) dispbuf[3] = dispbuf[4] = 0;
+    if(i >= 20*2) dispbuf[2] = dispbuf[5] = 0;
+    if(i >= 20*3) dispbuf[1] = dispbuf[6] = 0;
+    if(i >= 20*4) dispbuf[0] = dispbuf[7] = 0;
+    drawdisp(0);
+    delay(20);
+  }
+}
+
+void outro() {
+  cleardisp(0);
+  for(int i = 100; i>=0; i--) {
+    analogWrite(keyledPin, i);
+    if(i <= 20*1) dispbuf[3] = dispbuf[4] = '_';
+    if(i <= 20*2) dispbuf[2] = dispbuf[5] = '_';
+    if(i <= 20*3) dispbuf[1] = dispbuf[6] = '_';
+    if(i <= 20*4) dispbuf[0] = dispbuf[7] = '_';
+    drawdisp(0);
+    delay(20);
+  }
+}
+
+
+void setup(){
+  /*
+   The MAX72XX is in power-saving mode on startup,
+   we have to do a wakeup call
+   */
+  lc.shutdown(0,false);
+  /* Set the brightness to a medium values */
+  lc.setIntensity(0,15); //0 - 15
+  /* and clear the display */
+  lc.clearDisplay(0);
+  
+  intro();
+  cleardisp('_'); drawdisp(0);
+
+#ifndef SOFTSERIAL
+  // send the keyboard start up
+  keyboard.keyboard_init();
+#else
+  mySerial.begin(4800);
+#endif
+  
+  Serial.begin(9600);
+
+
+
+  pinMode(LED_BUILTIN, OUTPUT);
+}
+  
+void loop(){
+  unsigned char leds;
+#ifndef SOFTSERIAL
+  if(keyboard.keyboard_handle(&leds)) {
+    //Serial.print('LEDS');
+    //Serial.print(leds, HEX);
+    digitalWrite(LED_BUILTIN, leds);
+  }
+#endif
+  
+  char customKey = customKeypad.getKey();
+  
+  if (customKey){
+    Serial.println(customKey);
+    //analogWrite(keyledPin, random(0, 255));
+    analogWrite(keyledPin, 255);
+    unsigned char numkey = customKey-0x30;
+    if(numkey < 10) {
+#ifndef SOFTSERIAL
+      //Send PS2
+      keyboard.keyboard_mkbrk(scancodes[numkey]);
+#else
+      mySerial.print(customKey);
+#endif
+      
+      //Single digit
+      //lc.setDigit(0,7,numkey,false); //addr, digit, value, decimalpoint
+
+      //Scroll out display
+      dispbuf[8] = numkey;
+      drawdisp(1);
+    }
+  }
+
+  if (customKey == '*') {
+    //Send PS2
+#ifndef SOFTSERIAL
+    keyboard.keyboard_mkbrk(scancodes[10]);
+#endif
+    
+    //analogWrite(keyledPin, 0);
+    outro();
+
+    cleardisp('_');
+    drawdisp(0);
+  }
+
+  if (customKey == '#') {
+#ifndef SOFTSERIAL
+    keyboard.keyboard_mkbrk(0x5A); //enter
+#endif
+  }
+}
-- 
2.30.2