jules_verne [3615 Señor]

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La totalité du projet sera documentée, mais pour l'instant, prise de note !

**Transcodex graphique**

-> dans le raspberryPi, pour lancer le script python automatiquement:
login automatique en CLI
Ajouter dans .bashrc les deux lignes suivantes:
cd /home/pi/git/py-thermal-printer
/usr/bin/python /home/pi/git/py-thermal-printer/codex.py

-> le script python:

-> dans le clavier en kapla, un arduino Leonardo:



#include <Keypad.h>
#include <Adafruit_NeoPixel.h>

// Which pin on the Arduino is connected to the NeoPixels?
// On a Trinket or Gemma we suggest changing this to 1
#define PIN            13

// How many NeoPixels are attached to the Arduino?
#define NUMPIXELS      14

// When we setup the NeoPixel library, we tell it how many pixels, and which pin to use to send signals.
// Note that for older NeoPixel strips you might need to change the third parameter--see the strandtest
// example for more information on possible values.
Adafruit_NeoPixel pixels = Adafruit_NeoPixel(NUMPIXELS, PIN, NEO_GRB + NEO_KHZ800);

int delayval = 13500; // delay for half a second

const int spacePin = 12;     // the number of the pushbutton pin
int buttonPressed = 0;         // variable for reading the pushbutton status
int printing = 0;

const byte ROWS = 6; //four rows
const byte COLS = 6; //three columns
char keys[ROWS][COLS] = {
  {'0', '1', '2', '3', '4', '5'},
  {'A', 'B', 'C', 'D', 'E', 'F'},
  {'N', 'O', 'P', 'Q', 'R', 'S'},
  {'T', 'U', 'V', 'W', 'X', 'Y'},
  {'G', 'H', 'I', 'J', 'K', 'L'},
  {'6', '7', '8', '9', 'M', 'Z'}
};
byte rowPins[ROWS] = {6, 7, 8, 9, 10, 11}; //connect to the row pinouts of the keypad
byte colPins[COLS] = {0, 1, 2, 3, 4, 5}; //connect to the column pinouts of the keypad

Keypad keypad = Keypad( makeKeymap(keys), rowPins, colPins, ROWS, COLS );

void setup() {
  pixels.begin(); // This initializes the NeoPixel library.
  Keyboard.begin();
  pinMode(spacePin, INPUT_PULLUP);

  //Serial.begin(9600);
}

void loop() {

  if (printing == 0)
  {

    lightsGreen();

    int sensorVal = digitalRead(12);

    if (sensorVal == LOW && buttonPressed == 0) {
      buttonPressed = 1;
      //Serial.println("SPACE");
      Keyboard.write(0x20);
      Keyboard.releaseAll();  
      printing = 1;
      lightsRed();
      delay(delayval); // Delay for a period of time (in milliseconds).
      Keyboard.write(0x20);
      Keyboard.releaseAll(); 
      delay(200);
      Keyboard.write(0xB0);
      Keyboard.releaseAll(); 
      delay(200);
      printing = 0;
    } else if (sensorVal == HIGH && buttonPressed == 1) {
      buttonPressed = 0;
    }


    
    char key = keypad.getKey();

    if (key) {
      //Serial.println(key);
      Keyboard.write(key);
      Keyboard.releaseAll();  
      printing = 1;
      lightsRed();
      delay(delayval); // Delay for a period of time (in milliseconds).
      Keyboard.write(key);
      Keyboard.releaseAll(); 
      delay(200);
      Keyboard.write(0xB0);
      Keyboard.releaseAll(); 
      delay(200);
      printing = 0;
    }
  }
}

void lightsGreen()
{
  for (int i = 0; i < NUMPIXELS; i++) {
    // pixels.Color takes RGB values, from 0,0,0 up to 255,255,255
    pixels.setPixelColor(i, pixels.Color(0, 255, 0)); // Moderately bright green color.
    pixels.show(); // This sends the updated pixel color to the hardware.
  }
}

void lightsRed()
{
  for (int i = 0; i < NUMPIXELS; i++) {
    // pixels.Color takes RGB values, from 0,0,0 up to 255,255,255
    pixels.setPixelColor(i, pixels.Color(255, 0, 0)); // Moderately bright green color.
    pixels.show(); // This sends the updated pixel color to the hardware.


  }
}