targets/LPC/__init__.py
author Edouard Tisserant
Mon, 28 Mar 2011 11:42:00 +0200
changeset 587 c6354f7fe26e
parent 571 427bf9130d12
child 600 310455d73131
permissions -rwxr-xr-x
Restore RefreshFileMenu in CFileEditor
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import os
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from subprocess import Popen,PIPE
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from .. import toolchain_makefile
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import hashlib
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class LPC_target(toolchain_makefile):
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    #extension = ".ld"
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    #DebugEnabled = False
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    def __init__(self, PluginsRootInstance):
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        self.binmd5key = None
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        toolchain_makefile.__init__(self, PluginsRootInstance)
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    def _GetBinMD5FileName(self):
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        return os.path.join(self.buildpath, "lastbuildPLCbin.md5")
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    def _get_md5_header(self):
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        """Returns signature header"""
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        size = int(Popen(
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             ['arm-elf-size','-B',os.path.join(self.buildpath,"ArmPLC_rom.elf")],
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             stdout=PIPE).communicate()[0].splitlines()[1].split()[0])
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        res = "&" + hashlib.md5(open(os.path.join(self.buildpath, "ArmPLC_rom.bin"), "rb").read(size)).hexdigest() + '\n' +\
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              "$" + str(size) + '\n'
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        return res
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    def GetBinaryCode(self):
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        """Returns ready to send signed + sized intel formated hex program"""
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        try:
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            res = self._get_md5_header() +\
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                   open(os.path.join(self.buildpath, "ArmPLC_rom.hex"), "r").read()
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            return res
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        except Exception, e:
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            return None
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    def _get_cached_md5_header(self):
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        if self.binmd5key is not None:
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            return self.binmd5key
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        else:
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            try:
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                return open(self._GetMD5FileName(), "r").read()
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            except IOError, e:
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                return None
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    def GetBinaryCodeMD5(self, mode):
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        if mode == "BOOTLOADER":
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            return self._get_cached_md5_header()
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        else:
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            return toolchain_makefile.GetBinaryCodeMD5(self)
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    def build(self):
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        res = toolchain_makefile.build(self)
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        self.binmd5key = self._get_md5_header()
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        f = open(self._GetBinMD5FileName(), "w")
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        f.write(self.binmd5key)
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        f.close()
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        return res
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