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jacho |
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#!/usr/bin/python |
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import sys |
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import time |
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from pymlab import config |
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### Script Arguments ############################################### |
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if len(sys.argv) != 2: |
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sys.stderr.write("Invalid number of arguments.\n") |
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sys.stderr.write("Usage: %s PORT ADDRESS\n" % (sys.argv[0], )) |
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sys.exit(1) |
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port = eval(sys.argv[1]) |
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#### Sensor Configuration ########################################### |
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cfg = config.Config( |
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i2c = { |
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"port": port, |
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}, |
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bus = [ |
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{ |
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"name":"gpio", |
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"type":"TCA6416A" |
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}, |
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], |
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) |
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cfg.initialize() |
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print "I2C GPIO example for I2CIO01A MLAB module. \r\n" |
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gpio = cfg.get_device("gpio") |
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try: |
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gpio.config_ports(0x0000, 0x0000) |
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state = 0b1 |
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while True: |
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for i in range(0,7): |
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state = state << 1 |
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gpio.set_ports(state, state) |
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print bin(state) |
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time.sleep(0.1) |
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for i in range(0,7): |
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state = state >> 1 |
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gpio.set_ports(state, state) |
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print bin(state) |
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time.sleep(0.1) |
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finally: |
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print "stop" |
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