import libnodave
import struct
link = libnodave.libnodave()
link.set_port('/dev/ttyUSB0',"38400", 'O')
link.new_interface('if1', 0, 1, 2)
link.set_timeout(50000000)
link.init_adapter()
link.connect_plc(2, 0, 2)
def read_real():
print link.dave.daveGetFloat(link.dc)
def read_real_old():
data = []
for i in range(4):
data.append(link.dave.daveGetU8(link.dc))
real = struct.unpack('>f', struct.pack('4B', *data))[0]
print real
def read_floats():
link.read_bytes(0x84, 10, 92, 3 * 4)
for i in range(3):
read_real_old()
def read_new_floats():
print link.read_bytes(0x84, 10, 92, 3 * 4)
for i in range(3):
read_real()
read_floats()
print 'YAY'
link.disconnect()import libnodave
link = libnodave.libnodave()
def main():
localMPI = 0
plcMPI = 2 #anpassen, je nach CPU Adresse
plcRack = 0
plcSlot = 0
#link.SetDebug(99)
print('01')
link.set_port(b'/dev/ttyUSB0', b'38400', b'o')
print('02')
link.new_interface(b'IF1', localMPI, libnodave.daveProtoMPI2, libnodave.daveSpeed187k)
print('03')
link.set_timeout(5000000)
print('04')
link.init_adapter()
print('05')
link.connect_plc(plcMPI, plcRack, plcSlot)
print('06')
print('M200.0 Immer EIN', link.get_marker(200,0))
link.disconnect()
if __name__ == '__main__':
main()
