HASvioletHID.py

#!/usr/bin/python3
#
# HASvioletHID Library 
#
#   REVISION: 20210312-1400
#
#


#
# Import Libraries
#

import signal
import sys
import time
import subprocess

import argparse
import board
from board import SCL, SDA
import busio
import adafruit_ssd1306

import json
from digitalio import DigitalInOut, Direction, Pull
from PIL import Image, ImageDraw, ImageFont


#
# STATICS
#

HASviolet_RXLOCK = False                                               # True = RX is running
HASviolet_TXLOCK = False                                               # True = TX is running
HASviolet_LOCAL = "/home/pi/hasviolet-local/"                          # Config file is in JSON format
HASviolet_SERVER = HASviolet_LOCAL + "server/"                         # Path to files. Change when Pi
HASviolet_ETC = HASviolet_LOCAL + "etc/"                               # Config file is in JSON format
HASviolet_CONFIG = HASviolet_ETC + "HASviolet.json"                    # Config file is in JSON format
HASviolet_SSL_KEY = HASviolet_ETC + "HASviolet.key"                    # SSL Key
HASviolet_SSL_CRT = HASviolet_ETC + "HASviolet.crt"                    # Cert Key
HASviolet_PWF = HASviolet_ETC + "HASviolet.pwf"                        # Password file  user:hashedpasswd
HASviolet_MSGS = HASviolet_SERVER + "msgs/HASviolet.msgs"              # radio writes msgs received here   
HASviolet_LOGIN = HASviolet_SERVER + "HASviolet_LOGIN.html"
HASviolet_LOGINCSS = HASviolet_SERVER + "HASviolet_LOGIN.css"
HASviolet_INDEX = HASviolet_SERVER + "HASviolet_INDEX.html"
HASviolet_INDEXCSS = HASviolet_SERVER + "HASviolet.css"
HASvioletjs = HASviolet_SERVER + "HASviolet.js"
HVDN_LOGO = HASviolet_ETC + "HVDN_logo.xbm"


#
# VARIABLES
#


class HAShid:
    def __init__(self):
        self.cfgjson = HASviolet_CONFIG
        with open(self.cfgjson) as configFileJson:
            jsonConfig = json.load(configFileJson)
        self.myoled = jsonConfig["HID"]["oled"]
        if self.myoled=="128x32":
            self.i2c = busio.I2C(board.SCL, board.SDA)
            self.OLED = adafruit_ssd1306.SSD1306_I2C(128, 32, self.i2c, addr=0x3c)
            self.OLED.fill(0)
            self.OLED.show()
        elif self.myoled=="128x64":
            self.i2c = busio.I2C(board.SCL, board.SDA)
            self.OLED = adafruit_ssd1306.SSD1306_I2C(128, 64, self.i2c, addr=0x3c)
            self.OLED.fill(0)
            self.OLED.show()
        else:
            self.OLED = "None"
        self.btnLeft = DigitalInOut(board.D5)
        self.btnLeft.direction = Direction.INPUT
        self.btnLeft.pull = Pull.UP
        self.btnMid = DigitalInOut(board.D6)
        self.btnMid.direction = Direction.INPUT
        self.btnMid.pull = Pull.UP
        self.btnRight = DigitalInOut(board.D12)
        self.btnRight.direction = Direction.INPUT
        self.btnRight.pull = Pull.UP
        self.setCursorX = 0
        self.setCursorY = 1

    def logo(self, logoimg):       
        # Create blank image for drawing.
        # Make sure to create image with mode '1' for 1-bit color.
        width = self.OLED.width
        height = self.OLED.height
        image = Image.new("1", (width, height))
        
        # Get drawing object to draw on image.
        draw = ImageDraw.Draw(image)
        
        # Draw some shapes.
        # # First define some constants to allow easy resizing of shapes.
        padding = -2
        top = padding
        bottom = height - padding

        # Move left to right keeping track of the current x position for drawing shapes.
        x = 0

        # Open, resize, and convert image to Black and White
        image = (
            Image.open(logoimg)
            .resize((self.OLED.width, self.OLED.height))
            .convert("1")
        )
        
        # Display the converted image
        self.OLED.image(image)
        self.OLED.show()
        time.sleep (0.5)
        self.OLED.fill(0)
        self.OLED.show()