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龙承.1
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since ‎2021-01-19
‎2023-06-14

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�?�设当�?在使用HAL_UART_Transmit传输数�?�,其中在HAL_UART_Transmit里会进行加�? __HAL_LOCK(huart); 此时�?�了数�?�,进入了中断HAL_UART_RxCpltCallback,在中断里�?�继续调用 HAL_UART_Receive_IT�?�开�?�下一个数�?�接�?�中断,而在HAL_UART_Receive_IT里也会先进行加�?, 此时�?�现�?已�?被HAL_UART_Transmit�?�用了,所以函数调用失败了, 结果以�?�就�?也�?会接收数�?�了

2021-01-19
真的有这样的问题�?�？
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