1 总体设计 ...................................................................................................................... 3
2 接口设计 ...................................................................................................................... 3
2.1 HAL_UsartInit........................................................................................................ 3
2.2 HAL_UsartOpen..................................................................................................... 4
2.3 HAL_UsartClose..................................................................................................... 4
2.4 HAL_UsartSendAsync ............................................................................................. 4
2.5 HAL_UsartReceiveAsync ......................................................................................... 5
2.6 HAL_UsartAbortTx ................................................................................................. 5
2.7 HAL_UsartAbortRx ................................................................................................. 5
2.8 HAL_UsartReceiveTimeout ..................................................................................... 6
2.9 HAL_UsartGetRxStatus ........................................................................................... 6
2.10 HAL_UsartGetTxStatus.......................................................................................... 6
2.11 HAL_UsartSendDirect ........................................................................................... 7
2.12 HAL_UsartGetRxCnt ............................................................................................. 7
2.13 HAL_UsartlfOpen ................................................................................................. 7
3 函数设计 ...................................................................................................................... 7
3.1 MTR_I_Init............................................................................................................ 7
3.2 MTR_I_Deinit ........................................................................................................ 8
3.3 MTR_I_Open......................................................................................................... 8
3.4 MTR_I_Close ......................................................................................................... 8
3.5 MTR_I_Send ......................................................................................................... 9
3.6 MTR_I_StopRx....................................................................................................... 9
3.7 MTR_I_ReceiveDLT ................................................................................................ 9
3.8 MTR_I_UartCallback ............................................................................................ 10
3.9 MTR_I_UartCallbackTimeout ................................................................................ 10
3.10 MTR_I_RxTaskEntry............................................................................................ 10
3.11 MTR_I_HandleRxStartReq ................................................................................... 10
3.12 MTR_I_HandleRxStopReq ................................................................................... 11
3.13 MTR_I_HandleRxCompletelndinCheckMode1........................................................ 11
3.14 MTR_I_HandleRxCompletelnd ............................................................................. 11
3.15 MTR_I_HandleRxTimeoutlnd ............................................................................... 12
3.16 MTR_I_RxExpTimerCallback ................................................................................ 12
3. 17 MTR_I_GetUsartRxCnt ....................................................................................... 12
3.18 MTR_I_ClearUsartRxCnt ..................................................................................... 12
3.19 MTR_I_GetOpenState......................................................................................... 13
3.20 MTR_I_HandleRxTimeoutTimeoutlnd ................................................................... 13
4 软件结构图................................................................................................................. 14
5 功能流程图................................................................................................................. 14
5.1 数据接收流程 ................................................................................................... 15
5.2 数据发送流程 ......................................................................... 错误!未定义书签。
6 消息调度 ..................................................................................................................... 16
