OpenHarmony的allinone.bin固件格式解析 原创

device\hisilicon\hispark_pegasus\sdk_liteos\build\scripts\packet_create.py
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def packet_bin(outputPath, inputList):
    pathList = []
    burnAddrList = []
    burnSizeList = []
    imageSizeList = []
    typeList = []
    for item in inputList:
        path, burnAddr, burnSize, type = item.split("|")
        imageSize = os.path.getsize(path)
        pathList.append(path)
        burnAddrList.append(int(burnAddr))
        burnSizeList.append(int(burnSize))
        imageSizeList.append(imageSize)
        typeList.append(int(type))

    print(pathList)
    print(burnAddrList)
    print(burnSizeList)
    print(imageSizeList)
    print(typeList)

    flag = 0xefbeaddf
    print(flag)
    crc = 0
    imageNum = len(pathList)
    headLen = imageNum*52 + 12
    totalFileSize = sum(imageSizeList) + headLen

    with open(outputPath, 'wb+') as file:
        file.write(struct.pack('IHHI', flag, crc, imageNum, totalFileSize))
        startIndex = headLen
        times = 0
        for path in pathList:
            pathName = os.path.basename(path)
            file.write(
                struct.pack('32sIIIII', bytes(pathName, 'ascii'), startIndex, imageSizeList[times], burnAddrList[times],
                            burnSizeList[times], typeList[times]))
            startIndex = startIndex + imageSizeList[times] + 16
            times += 1

        for path in pathList:
            with  open(path, 'rb+') as subfile:
                data = subfile.read()
                file.write(data)
                file.write(struct.pack('IIII', 0, 0, 0, 0))

        file.flush()
        file.seek(6)
        newdata = file.read(headLen - 6)
        crc16 = t.crcb(newdata)
        file.seek(4)
        file.write(struct.pack('H', crc16))
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