384 lines
13 KiB
C
Executable File
384 lines
13 KiB
C
Executable File
/*************************************************************************************
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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.c
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**
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** UART function driver API.
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** @link SampleGroup Some description @endlink
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**
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** - 2017-05-17 1.0 CJ First version for Device Driver Library of Module.
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**
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******************************************************************************/
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/******************************************************************************/
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/* Include files */
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/******************************************************************************/
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#include "uart.h"
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/**
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******************************************************************************
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** \addtogroup UartGroup
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******************************************************************************/
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//@{
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/******************************************************************************/
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/* Local pre-processor symbols/macros ('#define') */
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/******************************************************************************/
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/******************************************************************************/
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/* Local function prototypes ('static') */
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/******************************************************************************/
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/******************************************************************************/
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/* Local variable definitions ('static') */
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/******************************************************************************/
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/**
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******************************************************************************
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** \brief UART通信中断使能函数设置
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**
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** \param [in] UARTx通道号，enIrqSel发送or接收中断使能
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**
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** \retval OK配置成功
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** \retval ErrorInvalidParameter配置失败
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******************************************************************************/
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en_result_t Uart_EnableIrq(M0P_UART_TypeDef* UARTx, en_uart_irq_sel_t enIrqSel)
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{
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SetBit((uint32_t)(&(UARTx->SCON)), enIrqSel, TRUE);
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return Ok;
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}
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/**
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******************************************************************************
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** \brief UART通信中断禁止函数设置
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**
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** \param [in] UARTx通道号，enIrqSel发送or接收中断禁止
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**
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** \retval OK配置成功
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** \retval ErrorInvalidParameter配置失败
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******************************************************************************/
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en_result_t Uart_DisableIrq(M0P_UART_TypeDef* UARTx, en_uart_irq_sel_t enIrqSel)
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{
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SetBit((uint32_t)(&(UARTx->SCON)), enIrqSel, FALSE);
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return Ok;
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}
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/**
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******************************************************************************
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** \brief UART通道多主机模式配置
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**
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** \param [in] UARTx通道号，stcMultiCfg多主机模式结构
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**
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** \retval OK配置成功
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** \retval ErrorInvalidParameter配置失败
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******************************************************************************/
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en_result_t Uart_SetMultiMode(M0P_UART_TypeDef* UARTx, stc_uart_multimode_t* pstcMultiCfg)
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{
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if(NULL != pstcMultiCfg)
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{
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UARTx->SCON_f.ADRDET = TRUE;
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UARTx->SADDR = pstcMultiCfg->u8SlaveAddr;
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UARTx->SADEN = pstcMultiCfg->u8SaddEn;
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}
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else
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{
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return ErrorInvalidParameter;
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}
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return Ok;
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}
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/**
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******************************************************************************
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** \brief UART单线半双工模式使能
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**
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** \param [in] UARTx 通道号
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**
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** \retval Null
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******************************************************************************/
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void Uart_HdModeEnable(M0P_UART_TypeDef* UARTx)
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{
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UARTx->SCON_f.HDSEL = TRUE;
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}
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/**
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******************************************************************************
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** \brief UART单线半双工模式关闭
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**
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** \param [in] UARTx 通道号
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**
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** \retval Null
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******************************************************************************/
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void Uart_HdModeDisable(M0P_UART_TypeDef* UARTx)
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{
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UARTx->SCON_f.HDSEL = FALSE;
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}
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/**
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******************************************************************************
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** \brief UART通道多机模式发送数据/地址帧配置TB8
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**
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** \param [in] UARTx 通道号
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** \param [in] TRUE-TB8为地址帧标志；FALSE-TB8为数据帧标志；
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**
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** \retval Null
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******************************************************************************/
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void Uart_SetTb8(M0P_UART_TypeDef* UARTx, boolean_t bTB8Value)
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{
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UARTx->SCON_f.B8CONT = bTB8Value;
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}
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/**
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******************************************************************************
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** \brief 获取RB8数值
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**
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** \param [in] UARTx通道号
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**
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** \retval RB8
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******************************************************************************/
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boolean_t Uart_GetRb8(M0P_UART_TypeDef* UARTx)
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{
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return (UARTx->SBUF_f.DATA8);
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}
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/**
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******************************************************************************
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** \brief UART通道多主机模式从机地址配置函数
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**
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** \param [in] UARTx通道号，addr地址
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**
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** \retval OK配置成功
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** \retval ErrorInvalidParameter配置失败
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******************************************************************************/
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en_result_t Uart_SetSaddr(M0P_UART_TypeDef* UARTx,uint8_t u8Addr)
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{
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UARTx->SADDR = u8Addr;
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return Ok;
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}
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/**
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******************************************************************************
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** \brief UART通道发送或接收等功能使能设置
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**
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** \param [in] UARTx通道号，enFunc功能
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**
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** \retval OK配置成功
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** \retval ErrorInvalidParameter配置失败
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******************************************************************************/
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en_result_t Uart_EnableFunc(M0P_UART_TypeDef* UARTx, en_uart_func_t enFunc)
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{
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SetBit((uint32_t)(&(UARTx->SCON)), enFunc, TRUE);
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return Ok;
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}
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/**
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******************************************************************************
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** \brief UART通道发送或接收等功能禁止设置
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**
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** \param [in] UARTx通道号，enFunc功能
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**
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** \retval OK配置成功
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** \retval ErrorInvalidParameter配置失败
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******************************************************************************/
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en_result_t Uart_DisableFunc(M0P_UART_TypeDef* UARTx, en_uart_func_t enFunc)
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{
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SetBit((uint32_t)(&(UARTx->SCON)), enFunc, FALSE);
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return Ok;
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}
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/**
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******************************************************************************
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** \brief UART通道通信状态获取
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**
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** \param [in] UARTx通道号
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**
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** \retval 状态值
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******************************************************************************/
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uint8_t Uart_GetIsr(M0P_UART_TypeDef* UARTx)
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{
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return (UARTx->ISR);
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}
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/**
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******************************************************************************
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** \brief UART通道通信状态获取
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**
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** \param [in] UARTx通道号，enStatus获取哪个状态
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**
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** \retval 状态值
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******************************************************************************/
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boolean_t Uart_GetStatus(M0P_UART_TypeDef* UARTx, en_uart_status_t enStatus)
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{
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boolean_t bStatus = FALSE;
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ASSERT(IS_VALID_STATUS(enStatus));
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bStatus = GetBit((uint32_t)(&(UARTx->ISR)), enStatus);
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return bStatus;
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}
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/**
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******************************************************************************
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** \brief UART通道通信状态清除
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**
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** \param [in] UARTx通道号
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**
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** \retval OK
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** \retval ErrorInvalidParameter清除失败
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******************************************************************************/
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en_result_t Uart_ClrIsr(M0P_UART_TypeDef* UARTx)
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{
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UARTx->ICR = 0u;
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return Ok;
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}
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/**
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******************************************************************************
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** \brief UART通道通信状态清除
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**
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** \param [in] UARTx通道号，enStatus清除哪个状态
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**
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** \retval OK
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** \retval ErrorInvalidParameter清除失败
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******************************************************************************/
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en_result_t Uart_ClrStatus(M0P_UART_TypeDef* UARTx,en_uart_status_t enStatus)
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{
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ASSERT(IS_VALID_STATUS(enStatus));
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SetBit((uint32_t)(&(UARTx->ICR)), enStatus, FALSE);
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return Ok;
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}
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/**
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******************************************************************************
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** \brief UART通道发送数据函数,查询方式调用此函数，中断方式发送不适用
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**
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** \param [in] UARTx通道号，Data发送数据
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**
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** \retval Ok发送成功
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** \retval ErrorInvalidParameter发送失败
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******************************************************************************/
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en_result_t Uart_SendDataPoll(M0P_UART_TypeDef* UARTx, uint8_t u8Data)
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{
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while(FALSE == Uart_GetStatus(UARTx,UartTxe))
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{}
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UARTx->SBUF_f.DATA = u8Data;
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while(FALSE == Uart_GetStatus(UARTx,UartTC))
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{}
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Uart_ClrStatus(UARTx,UartTC);
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return Ok;
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}
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/**
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******************************************************************************
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** \brief UART通道发送数据函数,中断方式调用此函数
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**
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** \param [in] UARTx通道号，Data发送数据
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**
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** \retval Ok发送成功
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** \retval ErrorInvalidParameter发送失败
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******************************************************************************/
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en_result_t Uart_SendDataIt(M0P_UART_TypeDef* UARTx, uint8_t u8Data)
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{
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UARTx->SBUF_f.DATA = u8Data;
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return Ok;
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}
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/**
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******************************************************************************
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** \brief UART通道接收数据函数
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**
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** \param [in] UARTx通道号
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**
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** \retval 接收数据
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******************************************************************************/
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uint8_t Uart_ReceiveData(M0P_UART_TypeDef* UARTx)
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{
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return (UARTx->SBUF_f.DATA);
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}
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/**
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******************************************************************************
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** \brief UART通道初始化函数
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**
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** \param [in] UARTx通道号，pstcCfg初始化结构体 @ref stc_uart_cfg_t
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**
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** \retval OK配置成功
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** \retval ErrorInvalidParameter配置失败
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******************************************************************************/
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en_result_t Uart_Init(M0P_UART_TypeDef* UARTx, stc_uart_cfg_t* pstcCfg)
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{
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en_result_t enRet = Error;
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uint32_t u32Over[2] = {0x4, 0x3};
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uint16_t u16OverShift;
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float32_t f32Scnt=0;
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if(NULL == pstcCfg)
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{
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return ErrorInvalidParameter;
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}
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UARTx->SCON = 0;
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UARTx->SCON = (uint32_t)pstcCfg->enStopBit |
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(uint32_t)pstcCfg->enMmdorCk |
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(uint32_t)pstcCfg->stcBaud.enClkDiv |
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(uint32_t)pstcCfg->enRunMode;
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if((UartMskMode1 == pstcCfg->enRunMode) || (UartMskMode3 == pstcCfg->enRunMode))
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{
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u16OverShift = u32Over[pstcCfg->stcBaud.enClkDiv/UartMsk8Or16Div];
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f32Scnt = (float32_t)(pstcCfg->stcBaud.u32Pclk)/(float32_t)(pstcCfg->stcBaud.u32Baud<<u16OverShift);
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UARTx->SCNT = (uint16_t)(float32_t)(f32Scnt + 0.5f);
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Uart_EnableFunc(UARTx,UartRenFunc); ///<使能收发
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}
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enRet = Ok;
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return enRet;
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}
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//@} // UartGroup
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