lpcmanager

Smarteh 485: slave address of RX buffer must match the address of sent TX buffer in order to be accepted. If reception is not successful data is not copied to beremiz buffer (memcpy()).

2017-05-16, bmakuc
802091036e67
Smarteh 485: slave address of RX buffer must match the address of sent TX buffer in order to be accepted. If reception is not successful data is not copied to beremiz buffer (memcpy()).
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))