Editor.ino

Editor.ino

@@ -0,0 +1,157 @@
+//BF typing system
+
+#include <Wire.h>
+#include <Adafruit_MCP23017.h>
+#include <Adafruit_RGBLCDShield.h>
+
+#define RED 0x1  //For errors, eg when committing and unmatched loops present
+#define ORANGE 0x3  //For warnings, such as unmatching loops
+#define BLUE 0x4  //Blue's a cool colour, right?
+#define WHITE 0x7  //Strictly closer to Pantone 643 C, but its the best I can do
+
+Adafruit_RGBLCDShield lcd = Adafruit_RGBLCDShield();
+
+char code[] = {  //16 characters while in pre-alpha.  Larger stack to follow...
+  ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', 
+  ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' '};
+int codePointer = 0;
+
+char characters[] = { ' ', '+', '-', '>', '<', '[', ']', '.', ','};  //Space to delete..
+byte character = 0;
+
+String printBuffer = "";  //Debug
+boolean refreshLetter = false;  
+int brackets = 0;
+
+void setup() {
+  Serial.begin(9600);
+  lcd.begin(16, 2);
+  delay(750);
+
+  Serial.println("Started");
+  lcd.setBacklight(WHITE);
+  lcd.print("  BRAINFORK v1  ");
+  delay(500);
+
+  int button = lcd.readButtons();
+  while(!(button & BUTTON_SELECT)){
+    button = lcd.readButtons();
+    delay(50);
+    }
+  lcd.clear();
+}
+
+void loop() {
+  int button = lcd.readButtons();
+  refreshLetter = false;
+
+  if(button){    
+    if(button & BUTTON_DOWN){
+      int tempChar = character;
+      character++;
+      if(character > (sizeof(characters) - 1)){  //-1 to avoid null
+        character = 0;
+      }
+
+      if(tempChar != character){
+        refreshLetter = true;
+      }
+    }
+
+    if(button & BUTTON_UP){
+      int tempChar = character;
+      character--;
+      if(character < 0 || character > sizeof(characters)){
+        character = (sizeof(characters) - 1);
+      }
+
+      if(tempChar != character){
+        refreshLetter = true;
+      }
+    }
+
+    if(button & BUTTON_LEFT){
+      codePointer--;
+      character = findNumber(codePointer);
+      if(codePointer < 0 || codePointer > sizeof(code)){
+        codePointer = 0;
+      }
+    }
+
+    if(button & BUTTON_RIGHT){
+      codePointer++;
+      character = findNumber(codePointer);
+      if(codePointer > (sizeof(code) - 1)){
+        codePointer = sizeof(code) - 1;
+      }
+
+      if((findNumber(codePointer - 1) == 0) && ((codePointer > 1) && codePointer < sizeof(code))){  //Stops you continuing if you are leaving a space
+        codePointer--;
+      }
+
+      if(codePointer = 1 && findNumber(0) == 0){  //Removed bug regarding starting space being allowed
+        codePointer--;
+      }
+    }
+
+    if(button & BUTTON_SELECT){  //Purely to print current code.  Test and exit functionality to follow
+      String printBuffer = "";
+      for(int i = 0; i < sizeof(code); i++){
+        printBuffer.concat(code[i]);
+      }
+      Serial.println(printBuffer);
+    }
+  }
+
+  delay(100);  //Breathing space - may need to be longer?
+  removeSpaces();
+  refresh();
+  //checkBrackets();
+}
+
+void refresh(){
+  lcd.setCursor(codePointer, 0);
+  if(refreshLetter){  //Only updates character if it needs to - prevents overwriting with previous character value
+   lcd.print(characters[character]);
+  }
+  code[codePointer] = characters[character];
+}
+
+int findNumber(int pointer){
+  int letter = 0;
+  while(characters[letter] != code[pointer]){
+    letter++;
+  }
+  Serial.print("found ");  //General verbosity for debugging
+  Serial.print(characters[letter]);
+  Serial.print(" at ");
+  Serial.println(pointer);
+  return letter;
+}
+
+void removeSpaces(){  //Needs work - not successful at the moment (hence the work needed)
+  if(findNumber(codePointer + 1) != 0 && findNumber(codePointer = 0)){
+    for(int i = codePointer; i < sizeof(code) - codePointer; i++){
+      code[i] = code[i + 1];
+    }
+  }
+}
+
+/* Check Brackets function
+void checkBrackets(){
+  if(dirtyArray[codePointer] && code[codePointer] == '['){
+    brackets++;
+  }else if(dirtyArray[codePointer] && code[codePointer] == ']'){
+    brackets--;
+  }
+
+  Serial.print("Brackets: ");
+  Serial.println(brackets);
+  if(brackets != 0){
+    lcd.setBacklight(ORANGE);
+  }else{
+    lcd.setBacklight(WHITE);
+  }
+  dirtyArray[codePointer] = false;
+}
+*/