251 lines
9.9 KiB
C
251 lines
9.9 KiB
C
/******************************************************************************
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* Copyright (C) 2017, Huada Semiconductor Co.,Ltd All rights reserved.
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*
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* This software is owned and published by:
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* Huada Semiconductor Co.,Ltd ("HDSC").
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*
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* BY DOWNLOADING, INSTALLING OR USING THIS SOFTWARE, YOU AGREE TO BE BOUND
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* BY ALL THE TERMS AND CONDITIONS OF THIS AGREEMENT.
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*
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* This software contains source code for use with HDSC
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* components. This software is licensed by HDSC to be adapted only
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* for use in systems utilizing HDSC components. HDSC shall not be
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* responsible for misuse or illegal use of this software for devices not
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* supported herein. HDSC is providing this software "AS IS" and will
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* not be responsible for issues arising from incorrect user implementation
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* of the software.
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*
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* Disclaimer:
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* HDSC MAKES NO WARRANTY, EXPRESS OR IMPLIED, ARISING BY LAW OR OTHERWISE,
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* REGARDING THE SOFTWARE (INCLUDING ANY ACOOMPANYING WRITTEN MATERIALS),
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* ITS PERFORMANCE OR SUITABILITY FOR YOUR INTENDED USE, INCLUDING,
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* WITHOUT LIMITATION, THE IMPLIED WARRANTY OF MERCHANTABILITY, THE IMPLIED
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* WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE OR USE, AND THE IMPLIED
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* WARRANTY OF NONINFRINGEMENT.
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* HDSC SHALL HAVE NO LIABILITY (WHETHER IN CONTRACT, WARRANTY, TORT,
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* NEGLIGENCE OR OTHERWISE) FOR ANY DAMAGES WHATSOEVER (INCLUDING, WITHOUT
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* LIMITATION, DAMAGES FOR LOSS OF BUSINESS PROFITS, BUSINESS INTERRUPTION,
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* LOSS OF BUSINESS INFORMATION, OR OTHER PECUNIARY LOSS) ARISING FROM USE OR
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* INABILITY TO USE THE SOFTWARE, INCLUDING, WITHOUT LIMITATION, ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL OR CONSEQUENTIAL DAMAGES OR LOSS OF DATA,
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* SAVINGS OR PROFITS,
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* EVEN IF Disclaimer HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
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* YOU ASSUME ALL RESPONSIBILITIES FOR SELECTION OF THE SOFTWARE TO ACHIEVE YOUR
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* INTENDED RESULTS, AND FOR THE INSTALLATION OF, USE OF, AND RESULTS OBTAINED
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* FROM, THE SOFTWARE.
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*
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* This software may be replicated in part or whole for the licensed use,
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* with the restriction that this Disclaimer and Copyright notice must be
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* included with each copy of this software, whether used in part or whole,
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* at all times.
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*/
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/*****************************************************************************/
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/** \file uart.h
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**
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** Headerfile for UART functions
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**
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**
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** History:
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** - 2017-05-10 Cathy First Version
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**
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*****************************************************************************/
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#ifndef __UART_H__
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#define __UART_H__
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/*****************************************************************************
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* Include files
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*****************************************************************************/
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#include "hc32l196_ddl.h"
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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/**
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******************************************************************************
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** \defgroup UartGroup Universal Asynchronous Receiver/Transmitter (UART)
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**
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******************************************************************************/
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//@{
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/******************************************************************************/
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/* Global pre-processor symbols/macros ('#define') */
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/******************************************************************************/
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/******************************************************************************
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* Global type definitions
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******************************************************************************/
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/**
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******************************************************************************
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**\brief uart通道选择
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******************************************************************************/
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/**
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******************************************************************************
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** \brief uart多机模式地址帧/数据帧或者奇偶校验
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******************************************************************************/
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typedef enum en_uart_mmdorck
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{
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UartMskDataOrAddr = 0u, ///<多机模式时，通过读写SBUF[8]决定帧为数据帧或地址帧
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UartMskEven = 0x4u, ///<非多机模式偶校验
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UartMskOdd = 0x8u, ///<非多机模式奇校验
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}en_uart_mmdorck_t;
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/**
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******************************************************************************
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** \brief uart多机模式及从机地址和地址掩码配置
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******************************************************************************/
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typedef struct stc_uart_multimode
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{
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uint8_t u8SlaveAddr; ///<从机地址
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uint8_t u8SaddEn; ///<从及地址掩码
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}stc_uart_multimode_t;
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/**
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******************************************************************************
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** \brief uart 四种工作模式选择
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******************************************************************************/
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typedef enum en_uart_mode
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{
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UartMskMode0 = 0x00u, ///<模式0
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UartMskMode1 = 0x40u, ///<模式1
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UartMskMode2 = 0x80u, ///<模式2
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UartMskMode3 = 0xc0u, ///<模式3
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} en_uart_mode_t;
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/**
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******************************************************************************
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** \brief uart stop长度选择
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******************************************************************************/
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typedef enum en_uart_stop
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{
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UartMsk1bit = 0x0000u, ///<1位停止位
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UartMsk1_5bit = 0x4000u, ///<1.5位停止位
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UartMsk2bit = 0x8000u, ///<2位停止位
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} en_uart_stop_t;
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/**
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******************************************************************************
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** \brief uart 功能使能
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******************************************************************************/
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typedef enum en_uart_func
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{
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UartRenFunc = 4u, ///<0-TX; ///<1-非mode0模式代表RX&TX ,mode0模式代表RX;
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UartDmaRxFunc = 16u, ///<DMA接收功能
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UartDmaTxFunc = 17u, ///<DMA发送功能
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UartRtsFunc = 18u, ///<硬件流RTS功能
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UartCtsFunc = 19u, ///<硬件流CTS功能
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UartHdFunc = 22u, ///<单线半双工功能
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}en_uart_func_t;
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/**
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******************************************************************************
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** \brief uart中断使能控制
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******************************************************************************/
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typedef enum en_uart_irq_sel
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{
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UartRxIrq = 0u, ///<接收中断使能
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UartTxIrq = 1u, ///<发送中断使能
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UartTxEIrq = 8u, ///<TX空中断使能
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UartPEIrq = 13u, ///<奇偶校验中断使能
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UartCtsIrq = 20u, ///<CTS信号翻转中断使能
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UartFEIrq = 21u, ///<帧错误中断使能
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}en_uart_irq_sel_t;
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/**
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******************************************************************************
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** \brief uart 状态标志位
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******************************************************************************/
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typedef enum en_uart_status
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{
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UartRC = 0u, ///<接收数据完成标记
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UartTC = 1u, ///<发送数据完成标记
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UartFE = 2u, ///<帧错误标记
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UartTxe = 3u, ///<TXbuff空标记
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UartPE = 4u, ///<奇偶校验错误标记
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UartCtsIf = 5u, ///<CTS中断标记
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UartCts = 6u, ///<CTS信号标记
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}en_uart_status_t;
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/**
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******************************************************************************
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** \brief uart 通道采样分频配置
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******************************************************************************/
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typedef enum en_uart_clkdiv
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{
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UartMsk16Or32Div = 0u, ///<模式0无效，模式1/3为16分频，模式2为32分频
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UartMsk8Or16Div = 0x200u, ///<模式0无效，模式1/3为8分频，模式2为16分频
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}en_uart_clkdiv_t;
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/**
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******************************************************************************
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** \brief uart 通道Mode1和Mode3波特率计算参数
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******************************************************************************/
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typedef struct stc_uart_baud
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{
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en_uart_clkdiv_t enClkDiv; ///<采样分频
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uint32_t u32Pclk; ///<pclk
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uint32_t u32Baud; ///<波特率
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} stc_uart_baud_t;
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/**
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******************************************************************************
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** \uart 总体配置
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******************************************************************************/
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typedef struct stc_uart_cfg
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{
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en_uart_mode_t enRunMode; ///<四种模式配置
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en_uart_mmdorck_t enMmdorCk; ///<校验模式
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en_uart_stop_t enStopBit; ///<停止位长度
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stc_uart_baud_t stcBaud; ///<Mode1/3波特率配置
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} stc_uart_cfg_t;
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//UART初始化
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en_result_t Uart_Init(M0P_UART_TypeDef* UARTx, stc_uart_cfg_t* pstcCfg);
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///< UART 单线模式使能/禁止
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void Uart_HdModeEnable(M0P_UART_TypeDef* UARTx);
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void Uart_HdModeDisable(M0P_UART_TypeDef* UARTx);
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//UART模块多机模式设置函数
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en_result_t Uart_SetMultiMode(M0P_UART_TypeDef* UARTx,stc_uart_multimode_t* pstcMultiCfg);
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//TB8数据设置
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void Uart_SetTb8(M0P_UART_TypeDef* UARTx, boolean_t bTB8Value);
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//RB8数据获取
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boolean_t Uart_GetRb8(M0P_UART_TypeDef* UARTx);
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//中断相关设置函数
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en_result_t Uart_EnableIrq(M0P_UART_TypeDef* UARTx, en_uart_irq_sel_t enIrqSel);
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en_result_t Uart_DisableIrq(M0P_UART_TypeDef* UARTx, en_uart_irq_sel_t enIrqSel);
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//功能使能和禁止
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en_result_t Uart_EnableFunc(M0P_UART_TypeDef* UARTx, en_uart_func_t enFunc);
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en_result_t Uart_DisableFunc(M0P_UART_TypeDef* UARTx, en_uart_func_t enFunc);
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//状态位的获取和清除
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uint8_t Uart_GetIsr(M0P_UART_TypeDef* UARTx);
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boolean_t Uart_GetStatus(M0P_UART_TypeDef* UARTx,en_uart_status_t enStatus);
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en_result_t Uart_ClrIsr(M0P_UART_TypeDef* UARTx);
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en_result_t Uart_ClrStatus(M0P_UART_TypeDef* UARTx,en_uart_status_t enStatus);
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//数据收发操作
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///< 数据查询模式发送
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en_result_t Uart_SendDataPoll(M0P_UART_TypeDef* UARTx, uint8_t u8Data);
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///< 数据中断模式发送
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en_result_t Uart_SendDataIt(M0P_UART_TypeDef* UARTx, uint8_t u8Data);
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uint8_t Uart_ReceiveData(M0P_UART_TypeDef* UARTx);
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//@} // UartGroup
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#ifdef __cplusplus
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#endif
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#endif /* __UART_H__ */
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/******************************************************************************
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* EOF (not truncated)
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*****************************************************************************/
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