我试图添加DFU支持到我在项目中使用的u-boot,因为我想通过它没有启用DFU支持。如何添加DFU支持到u-boot?
我使用飞思卡尔的u-boot(从混帐克隆://git.freescale.com/imx/uboot-imx.git),我检查了标签“rel_imx_4.1.15_1.1.0_ga“这是我需要的工作。
问题是,通过u-boot文档,我可以看到DFU必须启用。我增加了以下我.h文件中
#define CONFIG_USB_FUNCTION_DFU
#define CONFIG_CMD_DFU
#define CONFIG_DFU_MMC
#define CONFIG_SYS_DFU_DATA_BUF_SIZE SZ_16M
#define DFU_DEFAULT_POLL_TIMEOUT 300
但我发现了以下错误:
common/built-in.o: In function `do_dfu':
/home/m4l490n/uboot-imx/common/cmd_dfu.c:29: undefined reference to `dfu_init_env_entities'
/home/m4l490n/uboot-imx/common/cmd_dfu.c:35: undefined reference to `dfu_show_entities'
/home/m4l490n/uboot-imx/common/cmd_dfu.c:41: undefined reference to `g_dnl_clear_detach'
/home/m4l490n/uboot-imx/common/cmd_dfu.c:42: undefined reference to `g_dnl_register'
/home/m4l490n/uboot-imx/common/cmd_dfu.c:44: undefined reference to `g_dnl_detach'
/home/m4l490n/uboot-imx/common/cmd_dfu.c:50: undefined reference to `dfu_usb_get_reset'
/home/m4l490n/uboot-imx/common/cmd_dfu.c:67: undefined reference to `usb_gadget_handle_interrupts'
/home/m4l490n/uboot-imx/common/cmd_dfu.c:70: undefined reference to `g_dnl_unregister'
/home/m4l490n/uboot-imx/common/cmd_dfu.c:72: undefined reference to `dfu_free_entities'
/home/m4l490n/uboot-imx/common/cmd_dfu.c:77: undefined reference to `g_dnl_clear_detach'
arm-linux-gnueabihf-ld.bfd: BFD (GNU Binutils for Ubuntu) 2.24 assertion fail ../../bfd/elf32-arm.c:7696
arm-linux-gnueabihf-ld.bfd: BFD (GNU Binutils for Ubuntu) 2.24 assertion fail ../../bfd/elf32-arm.c:7696
arm-linux-gnueabihf-ld.bfd: BFD (GNU Binutils for Ubuntu) 2.24 assertion fail ../../bfd/elf32-arm.c:7696
arm-linux-gnueabihf-ld.bfd: BFD (GNU Binutils for Ubuntu) 2.24 assertion fail ../../bfd/elf32-arm.c:7696
arm-linux-gnueabihf-ld.bfd: BFD (GNU Binutils for Ubuntu) 2.24 assertion fail ../../bfd/elf32-arm.c:7696
arm-linux-gnueabihf-ld.bfd: BFD (GNU Binutils for Ubuntu) 2.24 assertion fail ../../bfd/elf32-arm.c:7696
arm-linux-gnueabihf-ld.bfd: BFD (GNU Binutils for Ubuntu) 2.24 assertion fail ../../bfd/elf32-arm.c:7696
arm-linux-gnueabihf-ld.bfd: BFD (GNU Binutils for Ubuntu) 2.24 assertion fail ../../bfd/elf32-arm.c:7696
arm-linux-gnueabihf-ld.bfd: BFD (GNU Binutils for Ubuntu) 2.24 assertion fail ../../bfd/elf32-arm.c:7696
arm-linux-gnueabihf-ld.bfd: error: required section '.rel.plt' not found in the linker script
arm-linux-gnueabihf-ld.bfd: final link failed: Invalid operation
make: *** [u-boot] Error 1
我注意到,如果我从.h文件删除的#define CONFIG_CMD_DFU它编译正常,但如果我在U-Boot的壳进入=> DFU它说:
Unknown command 'dfu' - try 'help'
所以,问题是*你知道我还需要添加什么来启用我使用的u-boot中的DFU?
谢谢!