Initial commit

.gitattributes

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+# Auto detect text files and perform LF normalization
+* text=auto

LICENSE

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+MIT License
+
+Copyright (c) 2024 Astatin3
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

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+# oliver-keypad-thing
+ 

keypad/keypad.ino

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+#include <Arduino.h>
+
+// Define pin mappings for the switch matrix
+const int switchRowPins[] = {50, 48, 46, 44}; // Switch Rows
+const int switchColPins[] = {40, 38, 36, 34, 32, 30, 28, 26, 24, 22}; // Switch Columns
+
+// Define the pin arrays for the LED matrix
+const int LEDRowPins[] = {51, 49, 47, 45}; // LED Rows (Anodes)
+const int LEDColPins[] = {41, 39, 37, 35, 33, 31, 29, 27, 25, 23}; // LED Columns (Cathodes)
+
+#define ROWS 4
+#define COLS 10
+int keyState[ROWS][COLS] = {0}; // Holds the state of each key
+
+// State definitions for key states
+#define NONE 0
+#define PRESSED 1
+#define HELD 2
+
+bool litButtons[][] = {
+  {false, false, false, false, false, false, false, false, false, false},
+  {false, false, false, false, false, false, false, false, false, false},
+  {false, false, false, false, false, false, false, false, false, false},
+  {false, false, false, false, false, false, false, false, false, false}
+}
+
+int curLitRow = -1;
+int curLitCol = -1;
+
+void setup() {
+    Serial.begin(9600);
+    for (int pin : switchRowPins) {
+        pinMode(pin, OUTPUT);
+        digitalWrite(pin, HIGH);
+    }
+    for (int pin : switchColPins) {
+        pinMode(pin, INPUT_PULLUP);
+    }
+    for (int pin : LEDRowPins) {
+        pinMode(pin, OUTPUT);
+        digitalWrite(pin, LOW);
+    }
+    for (int pin : LEDColPins) {
+        pinMode(pin, OUTPUT);
+        digitalWrite(pin, HIGH);
+    }
+}
+
+bool arrayIsFalse(bool arr[]){
+  for(bool b : arr){
+    if(!b){return false;}
+  }
+  return true;
+}
+
+bool array2dIsFalse(bool arr[][]){
+  for(bool b[] : arr){
+    if(!arrayIsFalse(b)){return false;}
+  }
+  return true;
+}
+
+void updateLights(){
+
+  if(array2dIsFalse(litButtons)){
+    curLitRow = -1;
+    curLitCol = -1;
+    return;
+  }
+
+  if(curLitRow == -1){
+    curLitRow = 0;
+  }else{
+    curLitRow = (curLitRow+1) % ROWS;
+  }
+
+  if(curLitCol == -1){
+    curLitCol = 0;
+  }else{
+    curLitCol = (curLitCol+1) % COLS;
+  }
+
+  // Find next enabled light
+  while(true){
+    if(arrayIsFalse(curLitRow)){
+      curLitRow = (curLitRow+1) % ROWS;
+      continue;
+    }
+
+    while(true){
+      if(!litButtons[curLitRow][curLitCol]){
+        curLitCol = (curLitCol+1) % COLS;
+        continue;
+      }
+
+      break;
+    }
+  }
+
+}
+
+void loop() {
+    // for (int row = 0; row < ROWS; row++) {
+    //     digitalWrite(switchRowPins[row], LOW);  // Activate row
+    //     for (int col = 0; col < COLS; col++) {
+    //         if (digitalRead(switchColPins[col]) == LOW) {
+    //             digitalWrite(LEDRowPins[row], HIGH);
+    //             digitalWrite(LEDColPins[col], LOW);
+    //             Serial.print("Button pressed at row ");
+    //             Serial.print(row);
+    //             Serial.print(", col ");
+    //             Serial.println(col);
+    //             delay(1000);  // Keep the LED on for a second
+    //             digitalWrite(LEDRowPins[row], LOW);
+    //             digitalWrite(LEDColPins[col], HIGH);
+    //         }
+    //     }
+    //     digitalWrite(switchRowPins[row], HIGH);  // Deactivate row
+    // }
+}
+
+// #include <Arduino.h>
+
+
+// void setup() {
+//   //Test serial out
+//   Serial.begin(115200);
+//   delay(10000);
+//   Serial.print("Test");
+// }
+
+// void loop() {
+// }