jflash.exe 执行时候，JLinkDevices.xml里面的FLM文件路径没有加对，导致FLM信息没有读取到
错误的配置信息：
<Device>
<ChipInfo Vendor="Maxscend" Name="MXD2710APP" Core="JLINK_CORE_CORTEX_M33" WorkRAMAddr="0x20020000" WorkRAMSize="0x8000" />
<FlashBankInfo Name="Internal Flash" BaseAddr="0x10000000" MaxSize="0x100000" Loader="Devices/Maxscend/MXD2710/MXD2710A2.FLM" LoaderType="FLASH_ALGO_TYPE_CMSIS"/>
</Device>
<Device>
<ChipInfo Vendor="Maxscend" Name="MXD2710BOOT2" Core="JLINK_CORE_CORTEX_M33" WorkRAMAddr="0x20020000" WorkRAMSize="0x8000" />
<FlashBankInfo Name="Internal Flash" BaseAddr="0x10000000" MaxSize="0x100000" Loader="Devices/Maxscend/MXD2710/MXD2710A2_BOOT2_V3.FLM" LoaderType="FLASH_ALGO_TYPE_CMSIS"/>
</Device>
<Device>
<ChipInfo Vendor="Maxscend" Name="MXD267x_FLASH_V1.4" Core="JLINK_CORE_CORTEX_M33" WorkRAMAddr="0x20020000" WorkRAMSize="0x8000" />
<FlashBankInfo Name="Internal Flash" BaseAddr="0x10000000" MaxSize="0x100000" Loader="Devices/Maxscend/MXD2670/MXD267x_FLASH_V1.4.FLM" LoaderType="FLASH_ALGO_TYPE_CMSIS"/>
</Device>
正确的配置信息，加了绝对路径
<Device>
<ChipInfo Vendor="Maxscend" Name="MXD2710APP" Core="JLINK_CORE_CORTEX_M33" WorkRAMAddr="0x20020000" WorkRAMSize="0x8000" />
<FlashBankInfo Name="Internal Flash" BaseAddr="0x10000000" MaxSize="0x100000" Loader="C:\Program Files (x86)\SEGGER\JLink\Devices\Maxscend\MXD2710\MXD2710A2.FLM" LoaderType="FLASH_ALGO_TYPE_CMSIS"/>
</Device>
<Device>
<ChipInfo Vendor="Maxscend" Name="MXD2710BOOT2" Core="JLINK_CORE_CORTEX_M33" WorkRAMAddr="0x20020000" WorkRAMSize="0x8000" />
<FlashBankInfo Name="Internal Flash" BaseAddr="0x10000000" MaxSize="0x100000" Loader="C:\Program Files (x86)\SEGGER\JLink\Devices\Maxscend\MXD2710\MXD2710A2_BOOT2_V3.FLM" LoaderType="FLASH_ALGO_TYPE_CMSIS"/>
</Device>
<Device>
<ChipInfo Vendor="Maxscend" Name="MXD267x_FLASH_V1.4" Core="JLINK_CORE_CORTEX_M33" WorkRAMAddr="0x20020000" WorkRAMSize="0x8000" />
<FlashBankInfo Name="Internal Flash" BaseAddr="0x10000000" MaxSize="0x100000" Loader="C:\Program Files (x86)\SEGGER\JLink\Devices\Maxscend\MXD2670\MXD267x_FLASH_V1.4.FLM" LoaderType="FLASH_ALGO_TYPE_CMSIS"/>
</Device>