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STM32_USB_Device_Library
用STM32F4 Cube MX生成的USB Device C代码的BUG
STM32F446 USB和串口1 冲突
STM32f407ZG使用STM32CubeMX创建USB应用失败
请教stm32F105 USB开发资料去哪里下载
STM32F103VE-USB-VCOM发不出数据
STM32cubemx 配置出的 USB HID 电脑无法识别
[STM32L496] 求助USBCDC通信,PC端总是需要插拔USB线问题
STM32F USB DFU下载无法识别USB设备
但是PC认到了,而且也能通信。我用串口调试软件跑了15个小时都没有问题的。不过那是在超级循环里面用USBD_CDC_ACM_ReadData函数读,然后用USBD_CDC_ACM_WriteData函数原样返回。后来发现有USBD_CDC0_ACM_DataReceived这个回调函数,就想使用这个回调函数。然后就出现这个问题了,不知道是哪里设置不对还是keil库的bug。
void USBD_CDCn_ACM_DataReceived ( uint32_t len )
Function indicating new data was received by USB CDC class Device (Virtual COM Port)
Parameters
[in] len number of bytes available to read.
Returns
none.
The function USBD_CDCn_ACM_DataReceived notifies that there is newly received data available.
The argument len is number of bytes available to read. Modify this function to the application needs.
Note
Callback when new data is received on Bulk OUT Endpoint.
恭喜楼主啊