blink_gpio_expander_test.py

#!/usr/bin/python

from Pi_MCP23S17 import MCP23S17
import time

try:
    mcp1 = MCP23S17(ce=1)
    mcp1.open()

    for x in range(0, 16):
        mcp1.setDirection(x, mcp1.DIR_OUTPUT)

    print "Starting blinky on all pins (CTRL+C to quit)"
    while (True):
        for x in range(0, 16):
            mcp1.digitalWrite(x, MCP23S17.LEVEL_HIGH)
        time.sleep(0.2)

        for x in range(0, 16):
            mcp1.digitalWrite(x, MCP23S17.LEVEL_LOW)
        time.sleep(0.2)

finally:
    mcp1.close()