Joy-it MOTOPI, Manual

Page: 8 / 10

www.joy - it.net
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8. CODE EXAMPLE TO USE THE DIGITAL CONNECTIONS
Consecutively, you have a short code example for controlling the digital
connections. For that, we use the
LK - Joystick
with a
LK - Cable - 20
from
our LinkerKit series.
Note that if not all connection are taken, the free pins can issue false
values.
import spidev
import time
import sys
spi = spidev.SpiDev()
spi.open( 0 , 0 )
spi.max_speed_hz = 2000000
def readadc (adcnum):
if adcnum > 7 or adcnum < 0 :
return - 1
r = spi.xfer2([ 1 , 8 +adcnum << 4 , 0 ])
adcout = ((r[ 1 ] & 3 ) << 8 )+r[ 2 ]
return adcout
while True :
if len (sys.argv) > 1 :
for i in range ( len (sys.argv)):
if i == 0 :
print "_______________________________________\n"