lpcmanager

Reworked Firmware Update Dialog. Reboot is now proposed systematically after update. Fixed exception handling when updating, now progress dialog realy turns modal as expected when exception occurs.
revamp
2018-09-04, Edouard Tisserant
cacb76868d13
Reworked Firmware Update Dialog. Reboot is now proposed systematically after update. Fixed exception handling when updating, now progress dialog realy turns modal as expected when exception occurs.
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__":
TestConnection = LPCBootProto(2,115200,1200)
mystr=file("fw.bin").read()
def mylog(blah):
print blah,
TestConnection.HandleTransaction(LOADTransaction(mystr, mylog))