input_line = 0
def read_callback(*msg):
if msg[1] is True and msg[0] == input_line: # if signal is high and address is 0
defective = random.randint(0,4)
if defective == 0:
print "Part defective"
mws.triggerInput(1,3.0)# args: address , time to raise level - default 0.5
else:
print "Part OK"
mws.triggerInput(0,3.0)# args: address , time to raise level - default 0.5
mws = ModbusWrapperServer(port)
mws.startServer()
# handler to exit on ctrl+c
def signal_handler(signal, frame):
print('You pressed Ctrl+C!')
mws.stopServer()
sys.exit(0)
signal.signal(signal.SIGINT, signal_handler)
print('Press Ctrl+C')
mws.stateChangeListener(input_line) # listens to line 0 of baxter
mws.state_changed.connect(read_callback) # links a callback
signal.pause()
# THE POSSIBILITY OF SUCH DAMAGE.
#
# The views and conclusions contained in the software and documentation are
# those of the authors and should not be interpreted as representing official
# policies, either expressed or implied, of the FreeBSD Project.
from time import sleep
from modbus_wrapper_server import ModbusWrapperServer
if __name__ == "__main__":
port = 502 # default modbus port
# Init modbus server with specific port
mws = ModbusWrapperServer(port)
# Starts the server in a non blocking call
mws.startServer()
print "Server started"
print "setting line 0 to True"
mws.setDigitalInput(0, 1) # args: address , value. sets address to value
print "waiting for line 0 to be set to True"
result = mws.waitForCoilOutput(
0, 10
) # args: address,timeout in sec. timeout of 0 is infinite. waits until address is true
if result:
print "got line 0 is True from baxter"
else:
print "timeout waiting for signal on line 0"
