From ed57d02899bf8e3f864389753fd5945616d2b6c8 Mon Sep 17 00:00:00 2001
From: Tomas Mudrunka <tomas@mudrunka.cz>
Date: Wed, 20 Feb 2019 22:32:29 +0100
Subject: [PATCH] Bomba keypad

---
 arduino/bomba-keypad/bomba-keypad.ino | 79 +++++++++++++++++++++++++++
 1 file changed, 79 insertions(+)
 create mode 100644 arduino/bomba-keypad/bomba-keypad.ino

diff --git a/arduino/bomba-keypad/bomba-keypad.ino b/arduino/bomba-keypad/bomba-keypad.ino
new file mode 100644
index 0000000..037a552
--- /dev/null
+++ b/arduino/bomba-keypad/bomba-keypad.ino
@@ -0,0 +1,79 @@
+/*
+ * PS2 pinout cinskej kabel: data cerveny (18), clock bily (19), 5V cerny, GND zluty
+ */
+
+
+#include <ps2dev.h>
+
+PS2dev keyboard(19, 18); //clock, data
+
+#include <LedControl.h>
+
+LedControl lc=LedControl(16,14,15,2); //datain, clk, load, number of chips
+
+#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);
+
+void make_break_kb(byte data)
+{
+// makes and breaks the key
+    keyboard.write(data);
+    delay(50);
+    keyboard.write(0xF0);
+    delay(50);
+    keyboard.write(data);
+    delay(50);
+}
+
+char scancodes[] = {0x45, 0x16, 0x1E, 0x26, 0x25, 0x2E, 0x36, 0x3D, 0x3E, 0x46, 0x7C, 0x7C}; //Scancodes for numbers 0-9, *, #
+
+void setup(){
+  Serial.begin(9600);
+
+    /*
+   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);
+}
+  
+void loop(){
+  char customKey = customKeypad.getKey();
+  
+  if (customKey){
+    Serial.println(customKey);
+    analogWrite(keyledPin, random(0, 255));
+    unsigned char numkey = customKey-0x30;
+    if(numkey < 10) {
+      lc.setDigit(0,0,numkey,false); //addr, digit, value, decimalpoint
+      lc.setDigit(0,7,numkey,false); //addr, digit, value, decimalpoint
+      make_break_kb(scancodes[numkey]);
+    }
+  }
+
+  if (customKey == '#') {
+    lc.clearDisplay(0);
+    analogWrite(keyledPin, 0);
+    make_break_kb(scancodes[10]);
+  }
+}
-- 
2.30.2