def __init__(self, socket, max_message = 100000):
self.__super.__init__()
self.socket = socket
self.max_message = max_message
self.chain = ethercat.EthercatChain()
self.chainfile = IocDataStream("chain.xml")
self.expandedfile = IocDataStream("expanded.xml")
self.scannerf = IocDataStream("scanner.sh",mode=0555)
self.dev_descriptions = []
def __init__(self, socket, max_message=100000, master_index=0):
self.__super.__init__()
self.socket = socket
self.max_message = max_message
self.master_index = master_index
self.chain = ethercat.EthercatChain()
self.chainfile = IocDataStream("chain.xml")
self.expandedfile = IocDataStream("expanded.xml")
self.scannerf = IocDataStream("scanner.sh", mode=0555)
self.dev_descriptions = []
class EthercatMaster(Device):
'''An EtherCAT Master device for the iocbuilder
Keeps a 'chain' member with a list of slaves in the bus
'''
Dependencies = ( Asyn, )
LibFileList = [ 'ecAsyn' ]
DbdFileList = [ 'ecAsyn' ]
def __init__(self, socket, max_message = 100000, master_index = 0):
self.__super.__init__()
self.socket = socket
self.max_message = max_message
self.master_index = master_index
self.chain = ethercat.EthercatChain()
self.chainfile = IocDataStream("chain.xml")
self.expandedfile = IocDataStream("expanded.xml")
self.scannerf = IocDataStream("scanner.sh",mode=0555)
self.dev_descriptions = []
def Initialise(self):
print 'ecAsynInit("%(socket)s", %(max_message)d)' % self.__dict__
self.getDeviceDescriptions()
self.expandedfile.write( self.generateMasterXml() )
self.writeScannerStartup()
ArgInfo = makeArgInfo(
__init__,
socket = Simple("scanner socket path", str),
max_message = Simple("max scanner message size", int),
master_index = Simple("master index", int)
)
def writeScannerStartup(self):
scanner_path = os.path.join(ethercat.etcdir,'../bin/linux-x86_64/scanner')
self.scannerf.write(SCANNER_STARTUP_TEXT % dict(
scanner = os.path.realpath(scanner_path),
expanded_chain = "./" + self.expandedfile.name,
socket_path = self.socket,
master_index = self.master_index))
def setSlave(self, slave):
self.chain.setDevice(slave.chainelem)
def getDeviceDescriptions(self):
self.chain.getDeviceDescriptions()
def generateChainXml(self):
return self.chain.generateChainXml()
def generateMasterXml(self):
return self.chain.generateMasterXml()
class EthercatMaster(Device):
'''An EtherCAT Master device for the iocbuilder
Keeps a 'chain' member with a list of slaves in the bus
'''
Dependencies = (Asyn, )
LibFileList = ['ecAsyn']
DbdFileList = ['ecAsyn']
def __init__(self, socket, max_message=100000, master_index=0):
self.__super.__init__()
self.socket = socket
self.max_message = max_message
self.master_index = master_index
self.chain = ethercat.EthercatChain()
self.chainfile = IocDataStream("chain.xml")
self.expandedfile = IocDataStream("expanded.xml")
self.scannerf = IocDataStream("scanner.sh", mode=0555)
self.dev_descriptions = []
def Initialise(self):
print 'ecAsynInit("%(socket)s", %(max_message)d)' % self.__dict__
self.getDeviceDescriptions()
self.expandedfile.write(self.generateMasterXml())
self.writeScannerStartup()
ArgInfo = makeArgInfo(__init__,
socket=Simple("scanner socket path", str),
max_message=Simple("max scanner message size", int),
master_index=Simple("master index", int))
def writeScannerStartup(self):
scanner_path = os.path.join(ethercat.etcdir,
'../bin/linux-x86_64/scanner')
self.scannerf.write(SCANNER_STARTUP_TEXT %
dict(scanner=os.path.realpath(scanner_path),
expanded_chain="./" + self.expandedfile.name,
socket_path=self.socket,
master_index=self.master_index))
def setSlave(self, slave):
self.chain.setDevice(slave.chainelem)
def getDeviceDescriptions(self):
self.chain.getDeviceDescriptions()
def generateChainXml(self):
return self.chain.generateChainXml()
def generateMasterXml(self):
return self.chain.generateMasterXml()
def __init__(self):
self.__super.__init__(IocDataStream('auto_blacklist'))
self.blacklist.write(' Automatically generated, do not edit\n')
Record.AddMetadataHook(lambda _: None, Blacklist = self.add_blacklist)
assert self.Instance is None, 'Cannot have multiple instances'
BlacklistPvs.Instance = self