lpcmanager

Enhanced code generation of MC9 busses, allowing nesting code given by LPCcomponsed. Added RS485 bus scanning logic and serial communication. Added (non working) control of RS485 transceiver through RTS

2014-12-10, Edouard Tisserant
998c52331037
Enhanced code generation of MC9 busses, allowing nesting code given by LPCcomponsed. Added RS485 bus scanning logic and serial communication. Added (non working) control of RS485 transceiver through RTS
from LPCProto import *
class LPCBootProto(LPCProto):
def HandleTransaction(self, transaction):
res = None
try:
transaction.SetPseudoFile(self.serialPort)
res = transaction.ExchangeData()
except:
pass
return "Stopped", res
class LPCBootTransaction:
def __init__(self, optdata = ""):
self.OptData = optdata
self.pseudofile = None
def SetPseudoFile(self, pseudofile):
self.pseudofile = pseudofile
def ExchangeData(self):
self.pseudofile.write(self.OptData)
return map(lambda x:self.pseudofile.readline(), xrange(self.expectedlines))
class KEEPBOOTINGTransaction(LPCBootTransaction):
def __init__(self):
self.expectedlines = 2
LPCBootTransaction.__init__(self, "md5\n")
class STARTTransaction(LPCBootTransaction):
def __init__(self):
self.expectedlines = 0
LPCBootTransaction.__init__(self, "go\n")
class CHECKMD5Transaction(LPCBootTransaction):
def __init__(self, md5ref):
self.expectedlines = 5
LPCBootTransaction.__init__(self, md5ref+"md5\n")
class LOADTransaction(LPCBootTransaction):
def __init__(self, data, PLCprint):
self.PLCprint = PLCprint
LPCBootTransaction.__init__(self, data)
def ExchangeData(self):
#file("fw.bin","w").write(self.OptData)
data = self.OptData
loptdata = len(self.OptData)
count=0
#self.PLCprint("%dkB:" % (loptdata/1024))
while len(data)>0:
res = self.pseudofile.write(data[:loptdata/100])
data = data[res:]
count += 1
if count % 10 == 0 :
self.PLCprint("%d%%" % count)
else :
self.PLCprint(".")
self.PLCprint("\n")
return True
if __name__ == "__main__":
__builtins__.BMZ_DBG = True
TestConnection = LPCBootProto(2,115200,1200)
mystr=file("fw.bin").read()
def mylog(blah):
print blah,
TestConnection.HandleTransaction(LOADTransaction(mystr, mylog))