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HAL_UART_IRQHandler(UART_HandleTypeDef *huart)分析
//接收没错误:执行UART_Receive_IT(huart) //接收有错误:执行UART_Receive_IT(huart)、HAL_UART_ErrorCallback(huart) void HAL_UART_IRQHandler(UART_HandleTypeDef *huart){uint32_t isrflags = READ_REG(huart->Instance->SR
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