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#!/usr/bin/env python
# $Id: k8055testm.py,v 1.1 2007/03/28 10:10:32 pjetur Exp $
#
# Sample pyton test program for pyk8055 wrapper
# Scanning and testing multiple boards
#
from time import sleep
from pyk8055 import *
try:
K8055_devices =[]
BMask = SearchDevices()
if not BMask:
print "No K8055 devices found"
exit
if BMask & 0x01 : K8055_devices.append(k8055(0))
if BMask & 0x02 : K8055_devices.append(k8055(1))
if BMask & 0x04 : K8055_devices.append(k8055(2))
if BMask & 0x08 : K8055_devices.append(k8055(3))
for k in K8055_devices:
k.SetCurrentDevice()
# set analog output channel 1 to 200/255*5v = 3.9V
k.OutputAnalogChannel(1,200)
sleep(1)
# set analog output channel low again = 0V
k.OutputAnalogChannel(1,0)
# read both analog inputs
# note: this returns a list
res = k.ReadAllAnalog()
print "Analog status, board #",k.DeviceAddress(),res[1:]
# Test class string function
print "Status, board #",k.DeviceAddress(),str(k)
# Set debounce time on counter 1
k.SetCounterDebounceTime(1, 100)
# reset counter 1
k.ResetCounter(1)
# Loop creating a rotating display of digital outputs
# Loop 3 times
for i in range(1,3):
for k in K8055_devices:
k.SetCurrentDevice()
d = 1
k.WriteAllDigital(1)
while d <= 128: # While this running
if k.ReadDigitalChannel(1):
print "Hello world (from board #%d)" %(k.DeviceAddress(),)
sleep(0.2) # wait .2 sec
d *=2 # and continue rotating digital outputs
k.WriteAllDigital(d)
for k in K8055_devices:
k.SetCurrentDevice()
# read/print the counter on input 1
print "Board # %d Counter #1=%d" % (k.DeviceAddress(),k.ReadCounter(1))
# read/print the counter on input 2
print "Board # %d Counter #2=%d" % (k.DeviceAddress(),k.ReadCounter(2))
for k in K8055_devices:
k.SetCurrentDevice()
# set even bits on digital outputs
k.WriteAllDigital(170)
sleep(1)
for k in K8055_devices:
k.SetCurrentDevice()
# set odd bits on digital outputs
k.WriteAllDigital(85)
sleep(1)
for k in K8055_devices:
k.SetCurrentDevice()
# Clear all digital outputs
k.WriteAllDigital(0)
# and close
for k in K8055_devices:
k.SetCurrentDevice()
k.CloseDevice()
except KeyboardInterrupt:
for k in K8055_devices:
k.SetCurrentDevice()
k.WriteAllDigital(0)
k.CloseDevice()
exit
except IOError:
print "Could not open Device"
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