def plugin_write(self,cmd): # handle incoming commands
res = False
cmdarr = cmd.split(",")
cmdarr[0] = cmdarr[0].strip().lower()
if cmdarr[0] == "mcpgpio":
pin = -1
val = -1
try:
pin = int(cmdarr[1].strip())
ti2ca, trpin = lib_mcprouter.get_pin_address(pin)
val = int(cmdarr[2].strip())
except:
pin = -1
trpin = -1
if pin>-1 and val in [0,1] and trpin >-1:
misc.addLog(rpieGlobals.LOG_LEVEL_DEBUG,"MCPGPIO"+str(pin)+" set to "+str(val))
try:
tmcp = lib_mcprouter.request_mcp_device(int(self.i2cport),int(pin))
tmcp.set_mode(trpin, 'output')
tmcp.output(trpin, val)
self.syncvalue(pin,val)
except Exception as e:
misc.addLog(rpieGlobals.LOG_LEVEL_ERROR,"MCPGPIO"+str(pin)+": "+str(e))
return True
elif cmdarr[0]=="mcppulse":
pin = -1
val = -1
try:
pin = int(cmdarr[1].strip())
ti2ca, trpin = lib_mcprouter.get_pin_address(pin)
val = int(cmdarr[2].strip())
except:
pin = -1
trpin = -1
dur = 100
try:
dur = float(cmdarr[3].strip())
except:
dur = 100
if pin>-1 and val in [0,1] and trpin >-1:
misc.addLog(rpieGlobals.LOG_LEVEL_DEBUG,"MCPGPIO"+str(pin)+": Pulse started")
try:
self.syncvalue(pin,val)
tmcp = lib_mcprouter.request_mcp_device(int(self.i2cport),int(pin))
tmcp.set_mode(trpin, 'output')
tmcp.output(trpin, val)
s = float(dur/1000)
time.sleep(s)
tmcp.output(trpin, (1-val))
self.syncvalue(pin,(1-val))
except Exception as e:
misc.addLog(rpieGlobals.LOG_LEVEL_ERROR,"MCPGPIO"+str(pin)+": "+str(e))
misc.addLog(rpieGlobals.LOG_LEVEL_DEBUG,"MCPGPIO"+str(pin)+": Pulse ended")
return True
return res
def p009_timercb(self, stimerid, ioarray):
if ioarray[0] > -1:
misc.addLog(rpieGlobals.LOG_LEVEL_DEBUG,
"EXTGPIO" + str(ioarray[0]) + ": LongPulse ended")
try:
tmcp = lib_mcprouter.request_mcp_device(
int(self.i2cport), int(ioarray[0]))
tmcp.set_mode(int(ioarray[0]), 'output')
tmcp.output(int(ioarray[0]), int(ioarray[1]))
except Exception as e:
misc.addLog(rpieGlobals.LOG_LEVEL_ERROR,
"MCPGPIO" + str(ioarray[0]) + ": " + str(e))
def plugin_init(self, enableplugin=None):
plugin.PluginProto.plugin_init(self, enableplugin)
self.decimals[0] = 0
self.initialized = False
if self.enabled:
i2cport = -1
try:
for i in range(0, 2):
if gpios.HWPorts.is_i2c_usable(
i) and gpios.HWPorts.is_i2c_enabled(i):
i2cport = i
break
except:
i2cport = -1
if i2cport > -1:
try:
pinnum = int(self.taskdevicepluginconfig[0])
except:
pinnum = 0
try:
self.i2ca, self.rpin = lib_mcprouter.get_pin_address(
pinnum)
self.mcp = lib_mcprouter.request_mcp_device(
int(i2cport), pinnum)
except Exception as e:
misc.addLog(rpieGlobals.LOG_LEVEL_ERROR,
"MCP device requesting failed: " + str(e))
self.mcp = None
if self.mcp and self.rpin > -1:
try:
if int(self.taskdevicepluginconfig[1]) == 0:
pmode = "input"
ppull = "disable"
elif int(self.taskdevicepluginconfig[1]) == 1:
pmode = "input"
ppull = "enable"
elif int(self.taskdevicepluginconfig[1]) == 2:
pmode = "output"
ppull = "disable"
self.mcp.set_mode(self.rpin, pmode, ppull)
self.set_value(1, self.mcp.input(self.rpin), True)
except Exception as e:
misc.addLog(rpieGlobals.LOG_LEVEL_ERROR,
"MCP pin configuration failed: " + str(e))
self.mcp = None
if self.mcp is None:
self.enabled = False
misc.addLog(rpieGlobals.LOG_LEVEL_ERROR,
"MCP can not be initialized! ")
else:
self.i2cport = int(i2cport)
self.initialized = True
try:
if str(self.taskdevicepin[0]).strip() != "0" and str(
self.taskdevicepin[0]).strip() != "":
self.mcp.setexternalint(0, int(self.taskdevicepin[0]))
if self.rpin > -1 and self.taskdevicepluginconfig[1] < 2:
self.mcp.add_interrupt(
self.rpin,
callbackFunctLow=self.p009_handler_low,
callbackFunctHigh=self.p009_handler_high)
# print("add int",self.rpin)
except Exception as e:
misc.addLog(rpieGlobals.LOG_LEVEL_ERROR,
"MCP interrupt configuration failed:" + str(e))
try:
self.ports = str(self.taskdevicepluginconfig[0])
except:
self.ports = 0
else:
self.ports = 0
if self.rpin > -1 and int(self.taskdevicepluginconfig[1]) < 2:
self.mcp.remove_interrupt(self.rpin)
def plugin_init(self,enableplugin=None):
plugin.PluginProto.plugin_init(self,enableplugin)
self.decimals[0] = 0
self.initialized = False
if self.enabled:
try:
i2cl = self.i2c
except:
i2cl = -1
try:
i2cport = gpios.HWPorts.geti2clist()
if i2cl==-1:
i2cl = int(i2cport[0])
except:
i2cport = []
if len(i2cport)>0 and i2cl>-1:
try:
pinnum = int(self.taskdevicepluginconfig[0])
except:
pinnum = 0
try:
tnum = int(self.taskdevicepluginconfig[2])
except:
tnum = 0
if tnum<1:
ctype = "MCP23017"
else:
ctype = "MCP23008"
try:
self.i2ca, self.rpin = lib_mcprouter.get_pin_address(pinnum)
self.mcp = lib_mcprouter.request_mcp_device(int(i2cl),pinnum,ctype)
except Exception as e:
misc.addLog(rpieGlobals.LOG_LEVEL_ERROR,"MCP device requesting failed: "+str(e))
self.mcp = None
if self.mcp and self.rpin>-1:
try:
if int(self.taskdevicepluginconfig[1])==0:
pmode = "input"
ppull = "disable"
elif int(self.taskdevicepluginconfig[1])==1:
pmode = "input"
ppull = "enable"
elif int(self.taskdevicepluginconfig[1])==2:
pmode = "output"
ppull = "disable"
self.mcp.set_mode(self.rpin,pmode,ppull)
self.set_value(1,self.mcp.input(self.rpin),True)
except Exception as e:
misc.addLog(rpieGlobals.LOG_LEVEL_ERROR,"MCP pin configuration failed: "+str(e))
self.mcp = None
if self.mcp is None:
self.enabled = False
misc.addLog(rpieGlobals.LOG_LEVEL_ERROR,"MCP can not be initialized! ")
else:
self.i2cport = int(i2cl)
self.initialized = True
if self.taskdevicepluginconfig[1] != 2:
try:
if self.mcp.externalintsetted>-1:
self.taskdevicepin[0] = int(self.mcp.extinta)
elif str(self.taskdevicepin[0]).strip() != "":
self.mcp.setexternalint(0,int(self.taskdevicepin[0]),self.gettaskindex())
if self.rpin>-1 and self.taskdevicepluginconfig[1]<2:
self.mcp.add_interrupt(self.rpin,callbackFunctLow=self.p009_handler_low,callbackFunctHigh=self.p009_handler_high)
except Exception as e:
misc.addLog(rpieGlobals.LOG_LEVEL_ERROR,"MCP interrupt configuration failed:"+str(e))
try:
self.ports = str(self.taskdevicepluginconfig[0])
except:
self.ports = 0
else:
self.ports = 0
if self.rpin>-1 and int(self.taskdevicepluginconfig[1])<2:
self.mcp.remove_interrupt(self.rpin)
