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In the composite device demo, the MSC class use enpoint 4 for data transfer. If we USB FS core on STM32F407, the MSC will fail to transfer data by a transaction error.
Solution, do not use ep 4 when select STM32F407 FS core.
The text was updated successfully, but these errors were encountered:
在复合设备例程中,如果使用STM32F407的FS USB内核会造成U盘枚举失败。原因是STM32F407没有4号端点。
解决办法,去掉不需要的接口,在 STM32F407的FS core上不使用端点4.
In the composite device demo, the MSC class use enpoint 4 for data transfer. If we USB FS core on STM32F407, the MSC will fail to transfer data by a transaction error.
Solution, do not use ep 4 when select STM32F407 FS core.
The text was updated successfully, but these errors were encountered: