lpcmanager

Smarteh 485: uart data is copied to beremiz buffer even if reception was not successfull. This ensures that communication statuses are updated. Otherwise these statuses are not updated in case controller can't communicate with any slave. This bug was introduced in revision 614.

2017-07-20, bmakuc
3492b0cd6a33
Smarteh 485: uart data is copied to beremiz buffer even if reception was not successfull. This ensures that communication statuses are updated. Otherwise these statuses are not updated in case controller can't communicate with any slave. This bug was introduced in revision 614.
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))