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driver.py
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"""
LCD Driver Library
Based on Marix Orbital Specification.
For use with the Adafruit LCD backpack module
Author: Wyatt Phillips
"""
import serial
ESCAPE = 0xFE
class Driver:
def __init__(self, device, w, h):
self.device_name = device
self.dev = serial.Serial(self.device_name, 9600)
self.width = w
self.height = h
self.configSize(w, h)
if not self.dev.is_open:
self.dev.open()
def __del__(self):
self.dev.close()
del self.dev
def lcdWrite(self, data, debug=True):
if debug:
print(data)
self.dev.write(chr(data))
def println(self, text):
for i in text:
self.lcdWrite(ord(i), debug=False)
def display(self, enabled):
if enabled:
self.lcdWrite(ESCAPE)
self.lcdWrite(0x42)
else:
self.lcdWrite(ESCAPE)
self.lcdWrite(0x46)
def setBrightness(self, val):
self.lcdWrite(ESCAPE)
self.lcdWrite(0x99)
self.lcdWrite(val)
def saveBrightness(self, val):
self.lcdWrite(ESCAPE)
self.lcdWrite(0x98)
self.lcdWrite(val)
def setContrast(self, val):
self.lcdWrite(ESCAPE)
self.lcdWrite(0x50)
self.lcdWrite(val)
def saveContrast(self, val):
self.lcdWrite(ESCAPE)
self.lcdWrite(0x91)
self.lcdWrite(val)
def autoscroll(self, enabled):
if enabled:
self.lcdWrite(ESCAPE)
self.lcdWrite(0x51)
else:
self.lcdWrite(ESCAPE)
self.lcdWrite(0x52)
def clear(self):
self.lcdWrite(ESCAPE)
self.lcdWrite(0x58)
def setSplash(self, data): # Fix Dis
self.lcdWrite(ESCAPE)
self.lcdWrite(0x40)
for i in data[0:79]:
self.lcdWrite(i)
def setCursor(self, x, y):
self.lcdWrite(ESCAPE)
self.lcdWrite(0x47)
self.lcdWrite(x)
self.lcdWrite(y)
def cursorHome(self):
self.lcdWrite(ESCAPE)
self.lcdWrite(0x48)
def cursorBackward(self):
self.lcdWrite(ESCAPE)
self.lcdWrite(0x4C)
def cursorForward(self):
self.lcdWrite(ESCAPE)
self.lcdWrite(0x4D)
def underlineCursor(self, enabled):
if enabled:
self.lcdWrite(ESCAPE)
self.lcdWrite(0x4A)
else:
self.lcdWrite(ESCAPE)
self.lcdWrite(0x4B)
def blinkCursor(self, enabled):
if enabled:
self.lcdWrite(ESCAPE)
self.lcdWrite(0x53)
else:
self.lcdWrite(ESCAPE)
self.lcdWrite(0x54)
def setRGB(self,r,g,b):
self.lcdWrite(ESCAPE)
self.lcdWrite(0xD0)
self.lcdWrite(r)
self.lcdWrite(g)
self.lcdWrite(b)
def configSize(self,w,h):
self.lcdWrite(ESCAPE)
self.lcdWrite(0xD1)
self.lcdWrite(w)
self.lcdWrite(h)
def createChar(map): # Not Working
self.lcdWrite(ESCAPE)
self.lcdWrite(0x4E)
def saveChar(): # Not Working
self.lcdWrite(ESCAPE)
self.lcdWrite(0xC1)
def loadChar(): # Not Working
self.lcdWrite(ESCAPE)
self.lcdWrite(0xC0)