�?�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
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2021-01-19 7:41 PM
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