edouard@571: import os
edouard@571: from subprocess import Popen,PIPE
Edouard@648: from ..toolchain_makefile import toolchain_makefile
edouard@571: import hashlib
edouard@571: 
edouard@571: class LPC_target(toolchain_makefile):
edouard@571:     #extension = ".ld"
edouard@571:     #DebugEnabled = False
edouard@571:     def __init__(self, PluginsRootInstance):
edouard@571:         self.binmd5key = None
edouard@571:         toolchain_makefile.__init__(self, PluginsRootInstance)
edouard@571: 
edouard@571:     def _GetBinMD5FileName(self):
edouard@571:         return os.path.join(self.buildpath, "lastbuildPLCbin.md5")
edouard@571: 
edouard@571:     def _get_md5_header(self):
edouard@571:         """Returns signature header"""
edouard@571:         size = int(Popen(
edouard@571:              ['arm-elf-size','-B',os.path.join(self.buildpath,"ArmPLC_rom.elf")],
edouard@571:              stdout=PIPE).communicate()[0].splitlines()[1].split()[0])
edouard@571:         res = "&" + hashlib.md5(open(os.path.join(self.buildpath, "ArmPLC_rom.bin"), "rb").read(size)).hexdigest() + '\n' +\
edouard@571:               "$" + str(size) + '\n'
edouard@571:         return res
edouard@571: 
edouard@571:     def GetBinaryCode(self):
edouard@571:         """Returns ready to send signed + sized intel formated hex program"""
edouard@571:         try:
edouard@571:             res = self._get_md5_header() +\
edouard@571:                    open(os.path.join(self.buildpath, "ArmPLC_rom.hex"), "r").read()
edouard@571:             return res
edouard@571:         except Exception, e:
edouard@571:             return None
edouard@571: 
edouard@571:     def _get_cached_md5_header(self):
edouard@571:         if self.binmd5key is not None:
edouard@571:             return self.binmd5key
edouard@571:         else:
edouard@571:             try:
Edouard@600:                 return open(self._GetBinMD5FileName(), "r").read()
edouard@571:             except IOError, e:
edouard@571:                 return None
edouard@571: 
edouard@571:     def GetBinaryCodeMD5(self, mode):
edouard@571:         if mode == "BOOTLOADER":
edouard@571:             return self._get_cached_md5_header()
edouard@571:         else:
edouard@571:             return toolchain_makefile.GetBinaryCodeMD5(self)
edouard@571: 
edouard@571:     def build(self):
edouard@571:         res = toolchain_makefile.build(self)
edouard@571:         self.binmd5key = self._get_md5_header()
edouard@571:         f = open(self._GetBinMD5FileName(), "w")
edouard@571:         f.write(self.binmd5key)
edouard@571:         f.close()
Edouard@600:         try:
Edouard@600:             self.PluginsRootInstance.logger.write(
Edouard@600:                 _("Binary is %s bytes long\n")%
Edouard@600:                     str(os.path.getsize(
Edouard@600:                         os.path.join(self.buildpath, "ArmPLC_rom.bin"))))
Edouard@600:         except Exception, e:
Edouard@600:             pass 
edouard@571:         return res
edouard@571: