111 lines
2.3 KiB
Python
111 lines
2.3 KiB
Python
#!/usr/bin/env python3
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# -*- coding: UTF-8 -*-
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import math
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import random
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import numpy as np
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import serial #pip3 install pyserial
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import time
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HEIGHT=24
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WIDTH=160
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def matrixSetup(ser):
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ser.write(chr(2).encode())
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ser.write(b'B') #command char
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ser.write(b'0') #display id 0 or 1
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#ser.write(b'00000000000')
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ser.write(b'00000000000') #alignment
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ser.write(chr(27).encode()) #oneB
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ser.write(b'1')
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def matrixEnd(ser):
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#ser.write(chr(151).encode())
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ser.write(chr(3).encode()) #END cmd
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def fixMatrixBits(data):
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for bi,b in enumerate(data):
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if b==2:
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data=np.hstack( (np.hstack( (data[0:bi],[27,48,50]) ), data[bi+1:] ) )
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elif b==3:
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data=np.hstack( (np.hstack( (data[0:bi],[27,48,51]) ), data[bi+1:] ) )
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elif b==27:
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data=np.hstack( (np.hstack( (data[0:bi],[27,48,66]) ), data[bi+1:] ) )
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data=np.array(data,dtype=np.uint8)
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return data
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if __name__ == '__main__':
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'''things:
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2 - clears buffer
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3 - ends at current position
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27 - also ends at cur. pos.
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to display 2: 27,48,50
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to display 3: 27,48,51
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to display 27: 27,48,66
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'''
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ser = None
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ser = serial.Serial('/dev/ttyUSB0',9600) # open serial port
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matrixSetup(ser)
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data=np.zeros(int(160*24/8),dtype=np.uint8)
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data[:]=0
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ser.write(bytearray(data))
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matrixEnd(ser)
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time.sleep(2)
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'''
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matrixSetup(ser)
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data=np.zeros(int(160*24/8),dtype=np.uint8)
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data[0]=255
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data[1]=3
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data[2]=255
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data=fixMatrixBits(data)
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ser.write(bytearray(data))
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matrixEnd(ser)
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'''
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for y in range(HEIGHT):
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for x in range(int(WIDTH/8)):
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matrixSetup(ser)
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data=np.zeros(int(WIDTH*HEIGHT/8),dtype=np.uint8)
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#data[int(x/8)+y*WIDTH]=math.pow(2,x%8)
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data[int( int(x)+y*WIDTH/8 ) ]=255
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ser.write(bytearray(fixMatrixBits(data)))
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matrixEnd(ser)
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time.sleep(.1)
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'''
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for i in range(256):
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print(i)
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matrixSetup(ser)
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data=np.zeros(int(160*24/8),dtype=np.uint8)
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data[0]=255
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data[1]=27 #escape
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data[2]=48 #ascii "0"=48
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data[3]=i #ascii "2"=50
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data[4]=255
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ser.write(bytearray(data))
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matrixEnd(ser)
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time.sleep(.25)
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'''
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ser.close()
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