def isValidBin(binFile) :
rv = False ;
if PSFile.getSize(binFile) == 128*1024 :
b = ''.join([chr(x) for x in PSFile.readBytes(binFile)]) ;
crc = (~(binascii.crc32(reverseBit(b)))) & 0xffffffff
if crc == 0x0 :
rv = True ;
else :
print >> sys.stderr, 'Error CRC=%s' % hex(crc) ;
return rv ;
def doHex2Bin(hexFile, binFile) :
'''
Convert Hex file to a 128KB Binary file that includes a 32-bit CRC in the topmost 4 bytes.
This code is based on 'Figure 21 provides an example of how to calculate the CRC32 value.' from ins11681-11_500_series_z-wave_chip_programming_mode.pdf
'''
rv = False ;
if PSFile.isExist(hexFile) :
b = PSZwave.loadZwaveHex(hexFile) ;
#Write to bin file
PSFile.writeBytes(binFile, b) ;
rv = True ;
else :
raise IOError('Not Exists %s' % hexFile) ;
return rv ;
else :
raise IOError('Not Exists %s' % hexFile) ;
return rv ;
@staticmethod
def isValidBin(binFile) :
rv = False ;
if PSFile.getSize(binFile) == 128*1024 :
b = ''.join([chr(x) for x in PSFile.readBytes(binFile)]) ;
crc = (~(binascii.crc32(reverseBit(b)))) & 0xffffffff
if crc == 0x0 :
rv = True ;
else :
print >> sys.stderr, 'Error CRC=%s' % hex(crc) ;
return rv ;
if __name__ == '__main__' :
nvm = PSFile.readBytes('test.bin', 256) ;
crc = PSZwave.doNvmCrc16(nvm) ;
print hex(crc) ;
PSFile.writeBytes('test.crc', nvm) ;
PSFile.writeBytes('test.crc2', nvm, length=2, offset=0x7E) ;
PSZwave.doHex2Bin('MultiSensor_Battery_slave_enhanced_232_OTA_ZW050x_EU_BOOTLOADER.hex', 'Multi.bin') ;
try :
PSZwave.doHex2Bin('MultiSensor_Battery_slave_enhanced_232_OTA_ZW050x_EU_BOOTLOADER.hex2', 'Multi.bin2') ;
except IOError :
pass ;
print PSZwave.isValidBin('Multi.bin') ;
print PSZwave.isValidBin('MultiSensor.bin') ;