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/******************************************************************************
* Copyright (C) 2017, Huada Semiconductor Co.,Ltd All rights reserved.
*
* This software is owned and published by:
* Huada Semiconductor Co.,Ltd ("HDSC").
*
* BY DOWNLOADING, INSTALLING OR USING THIS SOFTWARE, YOU AGREE TO BE BOUND
* BY ALL THE TERMS AND CONDITIONS OF THIS AGREEMENT.
*
* This software contains source code for use with HDSC
* components. This software is licensed by HDSC to be adapted only
* for use in systems utilizing HDSC components. HDSC shall not be
* responsible for misuse or illegal use of this software for devices not
* supported herein. HDSC is providing this software "AS IS" and will
* not be responsible for issues arising from incorrect user implementation
* of the software.
*
* Disclaimer:
* HDSC MAKES NO WARRANTY, EXPRESS OR IMPLIED , ARISING BY LAW OR OTHERWISE,
* REGARDING THE SOFTWARE (INCLUDING ANY ACOOMPANYING WRITTEN MATERIALS),
* ITS PERFORMANCE OR SUITABILITY FOR YOUR INTENDED USE, INCLUDING,
* WITHOUT LIMITATION, THE IMPLIED WARRANTY OF MERCHANTABILITY, THE IMPLIED
* WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE OR USE, AND THE IMPLIED
* WARRANTY OF NONINFRINGEMENT.
* HDSC SHALL HAVE NO LIABILITY (WHETHER IN CONTRACT, WARRANTY, TORT,
* NEGLIGENCE OR OTHERWISE) FOR ANY DAMAGES WHATSOEVER (INCLUDING, WITHOUT
* LIMITATION, DAMAGES FOR LOSS OF BUSINESS PROFITS, BUSINESS INTERRUPTION,
* LOSS OF BUSINESS INFORMATION, OR OTHER PECUNIARY LOSS) ARISING FROM USE OR
* INABILITY TO USE THE SOFTWARE, INCLUDING, WITHOUT LIMITATION, ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL OR CONSEQUENTIAL DAMAGES OR LOSS OF DATA,
* SAVINGS OR PROFITS,
* EVEN IF Disclaimer HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
* YOU ASSUME ALL RESPONSIBILITIES FOR SELECTION OF THE SOFTWARE TO ACHIEVE YOUR
* INTENDED RESULTS, AND FOR THE INSTALLATION OF, USE OF, AND RESULTS OBTAINED
* FROM, THE SOFTWARE.
*
* This software may be replicated in part or whole for the licensed use,
* with the restriction that this Disclaimer and Copyright notice must be
* included with each copy of this software, whether used in part or whole,
* at all times.
*/
/*****************************************************************************/
/** \file spi.h
**
** Headerfile for SPI functions
**
**
** History:
** - 2017-05-17 1.0 Devi First Version
**
*****************************************************************************/
#ifndef __SPI_H__
#define __SPI_H__
/******************************************************************************
* Include files
*****************************************************************************/
#include "ddl.h"
/* C binding of definitions if building with C++ compiler */
#ifdef __cplusplus
extern "C"
{
#endif
//@{
/******************************************************************************
* Global type definitions
*****************************************************************************/
/**
******************************************************************************
** \brief SPI 功能通道选择设置
******************************************************************************/
/**
******************************************************************************
** \brief SPI 功能使能设置
******************************************************************************/
typedef enum en_spi_en
{
SpiMskEnable = 0x4u, ///< SPI模块使能
SpiMskDisable = 0u, ///< SPI模块禁止
}en_spi_en_t;
/**
******************************************************************************
** \brief SPI 模式配置
******************************************************************************/
typedef enum en_spi_mode
{
SpiMskMaster = 0x10u, ///<主机
SpiMskSlave = 0x00u, ///<从机
}en_spi_mode_t;
/**
******************************************************************************
** \brief SPI 时钟极性设置
******************************************************************************/
typedef enum en_spi_cpol
{
SpiMskcpollow = 0u, ///<极性为低
SpiMskcpolhigh = 0x08u, ///<极性为高
}en_spi_cpol_t;
/**
******************************************************************************
** \brief SPI 时钟相位设置
******************************************************************************/
typedef enum en_spi_cpha
{
SpiMskCphafirst = 0u, ///<第一边沿采样
SpiMskCphasecond = 0x4u, ///<第二边沿采样
}en_spi_cpha_t;
/**
******************************************************************************
** \brief SPI 时钟分频配置
*****************************************************************************/
typedef enum en_spi_clk_div
{
SpiClkMskDiv2 = 0x00u, ///<PCLK 2分频
SpiClkMskDiv4 = 0x01u, ///<PCLK 4分频
SpiClkMskDiv8 = 0x02u, ///<PCLK 8分频
SpiClkMskDiv16 = 0x03u, ///<PCLK 16分频
SpiClkMskDiv32 = 0x80u, ///<PCLK 32分频
SpiClkMskDiv64 = 0x81u, ///<PCLK 64分频
SpiClkMskDiv128 = 0x82u, ///<PCLK 128分频
}en_spi_clk_div_t;
/**
******************************************************************************
** \brief SPI 片选脚电平选择
*****************************************************************************/
typedef enum en_spi_cspin
{
SpiCsLow = 0u, ///<片选低电平
SpiCsHigh = 1u, ///<片选高电平
}en_spi_cspin_t;
/**
******************************************************************************
** \brief SPI 状态
*****************************************************************************/
typedef enum en_spi_status
{
SpiIf = 0x80u, ///<传输结束中断标志
SpiSserr = 0x20u, ///<从机模式错误标志
SpiMdf = 0x10u, ///<主机模式错误标志
SpiBusy = 0x08u, ///<SPI总线忙标志
SpiTxe = 0x04u, ///<发送缓冲器器空标志
SpiRxne = 0x02u, ///<接受缓冲器非空标志
}en_spi_status_t;
/**
******************************************************************************
** \brief SPI 功能开启函数
*****************************************************************************/
typedef enum en_spi_func
{
SpiMskRxNeIe = 0x40u, ///<接收缓冲器非空中断使能
SpiMskTxEIe = 0x20u, ///<发送缓冲器空中断使能
SpiMskDmaTxEn = 0x10u, ///<DMA硬件访问发送使能
SpiMskDmaRxEn = 0x08u, ///<DMA硬件访问接收使能
}en_spi_func_t;
/**
******************************************************************************
** \brief SPI 总体配置结构体
*****************************************************************************/
typedef struct stc_spi_cfg
{
en_spi_mode_t enSpiMode; ///< 主从模式选择
en_spi_clk_div_t enPclkDiv; ///< PCLK分频系数(波特率分频)
en_spi_cpol_t enCPOL; ///< 时钟极性选择
en_spi_cpha_t enCPHA; ///< 时钟相位选择
}stc_spi_cfg_t;
//SPI 状态获取
boolean_t Spi_GetStatus(M0P_SPI_TypeDef* SPIx,en_spi_status_t enStatus);
///<SPI 中断使能/禁止
en_result_t Spi_IrqEnable(M0P_SPI_TypeDef* SPIx);
en_result_t Spi_IrqDisable(M0P_SPI_TypeDef* SPIx);
//SPI 清除中断标记
en_result_t Spi_ClearStatus(M0P_SPI_TypeDef* SPIx);
//SPI初始化函数
en_result_t Spi_Init(M0P_SPI_TypeDef* SPIx,stc_spi_cfg_t* pstcSpiCfg);
//SPI 功能使能禁止函数
en_result_t Spi_FuncEnable(M0P_SPI_TypeDef* SPIx, en_spi_func_t enFunc);
en_result_t Spi_FuncDisable(M0P_SPI_TypeDef* SPIx, en_spi_func_t enFunc);
//SPI关闭函数
en_result_t Spi_DeInit(M0P_SPI_TypeDef* SPIx);
//SPI 配置主发送的电平
void Spi_SetCS(M0P_SPI_TypeDef* SPIx,boolean_t bFlag);
//SPI 数据字节数据收发
uint8_t Spi_RWByte(M0P_SPI_TypeDef* SPIx, uint8_t u8Data);
//SPI 数据发送
en_result_t Spi_SendData(M0P_SPI_TypeDef* SPIx, uint8_t u8Data);
void Spi_Slave_DummyWriteData(M0P_SPI_TypeDef* SPIx, uint8_t u8Data);
en_result_t Spi_SendBuf(M0P_SPI_TypeDef* SPIx, uint8_t* pu8Buf, uint32_t u32Len);
//SPI 数据接收
uint8_t Spi_ReceiveData(M0P_SPI_TypeDef* SPIx);
en_result_t Spi_ReceiveBuf(M0P_SPI_TypeDef* SPIx, uint8_t* pu8Buf, uint32_t u32Len);
//@} // Spi Group
#ifdef __cplusplus
}
#endif
#endif /* __SPI_H__ */
/******************************************************************************
* EOF (not truncated)
*****************************************************************************/
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