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Code: Alles auswählen

#!/usr/bin/env python
import pygame


def load_image_data(filename):
    return pygame.image.load(filename).convert(16).get_buffer().raw


def main():
    pygame.init()
    try:
        image_data = load_image_data('test.bmp')
        block_length = 0xfff
        blocks = (
            image_data[i:i + block_length]
            for i in xrange(0, len(image_data), block_length)
        )
        for block in blocks:
            print map(ord, block)
    finally:
        pygame.quit()

Code: Alles auswählen

from array import array

# ...

def load_image_data(filename):
    result = array('h')
    result.fromstring(pygame.image.load(filename).convert(16).get_buffer().raw)
    result.byteswap()
    return result.tostring()

Code: Alles auswählen

import spidev
import time
import random
import struct
import os
from functools import partial
import pygame
from array import array
from PIL import Image

...
...

def load_image_data(filename):
	result = array('h')
	result.fromstring(pygame.image.load(filename).convert(16).get_buffer().raw)
	result.byteswap()
	return result.tostring()	

def Show_Pic(x1,y1,FileName):

	Pic = Image.open(FileName)
	biWidth, biHeight = Pic.size
	BufferSize = biWidth*biHeight*2
	
	x2 = x1 + biWidth -1
	y2 = y1 + biHeight
	ActiveWindow(x1,y1,x2,y2)
	Set_MemoryWrite_Cursor(x1,y1)

	pygame.init()
	try:
		image_data = load_image_data(FileName)
		block_length = 0xfff
		blocks = (
			image_data[i:i + block_length]
			for i in xrange(0, len(image_data), block_length)
		)

		WriteCMD(0x02)
		GPIO.output(8, False)
		spi.writebytes([0x00]) #WriteData Byte
		for block in blocks:
			spi.writebytes(map(ord, block))
		GPIO.output(8, True)
	finally:
		pygame.quit()

Code: Alles auswählen

Traceback (most recent call last):
  File "RA8875.py", line 308, in <module>
    Show_Pic(0,0,"hintern_24.bmp")
  File "RA8875.py", line 270, in Show_Pic
    image_data = load_image_data(FileName)
  File "RA8875.py", line 253, in load_image_data
    result.fromstring(pygame.image.load(filename).convert(16).get_buffer().raw)
pygame.error: cannot convert without pygame.display initialized

Code: Alles auswählen

	Set_MemoryWrite_Cursor(x1,y1)

	print "pygame.init() =", pygame.init()
	try: