46 lines
936 B
Python
Executable File
46 lines
936 B
Python
Executable File
#!/bin/env python
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import serial
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import pygame
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ser = serial.Serial("/dev/ttyACM0", 115200)
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pygame.init()
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size = width, height = 640, 480
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black = 0, 0, 0
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screen = pygame.display.set_mode(size)
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background = pygame.Surface(screen.get_size())
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background = background.convert()
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background.fill(black)
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try:
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ser.open()
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except Exception, e:
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print("Error while opening serial port : "+str(e))
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if ser.isOpen():
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ser.flushInput()
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ser.flushOutput()
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maximum = -1.
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minimum = -1.
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print("Calibration")
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screen.blit(background, (0,0))
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pygame.display.flip()
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for i in range(50) :
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line = float(ser.readline())
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if line < minimum or minimum < 0:
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minimum = line
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if line > maximum:
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maximum = line
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print("Go")
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while True:
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line = float(ser.readline())
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background.fill((int(255.*(line-minimum)/(maximum-minimum)), 0, 0))
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screen.blit(background, (0,0))
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pygame.display.flip()
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ser.close()
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