Based on stm32 the usb transfer can. Source code and schematics.

USB转CAN程序及电路
..................\library
..................\.......\inc
..................\.......\...\cortexm3_macro.h
..................\.......\...\stm32f10x_adc.h
..................\.......\...\stm32f10x_bkp.h
..................\.......\...\stm32f10x_can.h
..................\.......\...\stm32f10x_crc.h
..................\.......\...\stm32f10x_dac.h
..................\.......\...\stm32f10x_dbgmcu.h
..................\.......\...\stm32f10x_dma.h
..................\.......\...\stm32f10x_exti.h
..................\.......\...\stm32f10x_flash.h
..................\.......\...\stm32f10x_fsmc.h
..................\.......\...\stm32f10x_gpio.h
..................\.......\...\stm32f10x_i2c.h
..................\.......\...\stm32f10x_iwdg.h
..................\.......\...\stm32f10x_lib.h
..................\.......\...\stm32f10x_map.h
..................\.......\...\stm32f10x_nvic.h
..................\.......\...\stm32f10x_pwr.h
..................\.......\...\stm32f10x_rcc.h
..................\.......\...\stm32f10x_rtc.h
..................\.......\...\stm32f10x_sdio.h
..................\.......\...\stm32f10x_spi.h
..................\.......\...\stm32f10x_systick.h
..................\.......\...\stm32f10x_tim.h
..................\.......\...\stm32f10x_type.h
..................\.......\...\stm32f10x_usart.h
..................\.......\...\stm32f10x_wwdg.h
..................\.......\Lib
..................\.......\...\STM32F10xD.LIB
..................\.......\...\STM32F10xR.LIB
..................\Project
..................\.......\Clean.bat
..................\.......\List
..................\.......\....\STM32F10x.lst
..................\.......\....\Template.map
..................\.......\Obj
..................\.......\...\can_hw.crf
..................\.......\...\can_hw.d
..................\.......\...\can_hw.o
..................\.......\...\can_hw.__i
..................\.......\...\cqueue.crf
..................\.......\...\cqueue.d
..................\.......\...\cqueue.o
..................\.......\...\cqueue.__i
..................\.......\...\flash.crf
..................\.......\...\flash.d
..................\.......\...\flash.o
..................\.......\...\flash.__i
..................\.......\...\main.crf
..................\.......\...\main.d
..................\.......\...\main.o
..................\.......\...\rtx_can.crf
..................\.......\...\rtx_can.d
..................\.......\...\rtx_can.o
..................\.......\...\rtx_can.__i
..................\.......\...\rtx_config.crf
..................\.......\...\rtx_config.d
..................\.......\...\rtx_config.o
..................\.......\...\rtx_config.__i
..................\.......\...\STM32F10x.d
..................\.......\...\STM32F10x.o
..................\.......\...\stm32f10x._ia
..................\.......\...\tasks.crf
..................\.......\...\tasks.d
..................\.......\...\tasks.o
..................\.......\...\tasks.__i
..................\.......\...\Template.axf
..................\.......\...\Template.hex
..................\.......\...\Template.htm
..................\.......\...\Template.lnp
..................\.......\...\Template.plg
..................\.......\...\Template.sct
..................\.......\...\Template.tra
..................\.......\...\usart.crf
..................\.......\...\usart.d
..................\.......\...\usart.o
..................\.......\...\usart.__i
..................\.......\...\usb2can_bsl.crf
..................\.......\...\usb2can_bsl.d
..................\.......\...\usb2can_bsl.o
..................\.......\...\usb2can_bsl.__i
..................\.......\...\usb2can_func.crf
..................\.......\...\usb2can_func.d
..................\.......\...\usb2can_func.o
..................\.......\...\usb2can_func.__i
..................\.......\readme.txt
..................\.......\USB2CAN.uvopt
..................\.......\USB2CAN.uvproj
..................\.......\USB2CAN_STM32F103B.dep
..................\.......\USB2CAN_uvopt.bak
..................\.......\USB2CAN_uvproj.bak
..................\Source
..................

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