/****************************************************************************** * 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" #include "interrupts_hc32l136.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 ******************************************************************************/ typedef enum en_spi_channel { Spi0 = 0u, ///< SPI通道0 Spi1 = 1u, ///< SPI通道1 }en_spi_channel_t; /** ****************************************************************************** ** \brief SPI 功能使能设置 ******************************************************************************/ typedef enum en_spi_en { SpiEnable = 1u, ///< SPI模块使能 SpiDisable = 0u, ///< SPI模块禁止 }en_spi_en_t; /** ****************************************************************************** ** \brief SPI 模式配置 ******************************************************************************/ typedef enum en_spi_mode { SpiMaster = 1u, ///<主机 SpiSlave = 0u, ///<从机 }en_spi_mode_t; /** ****************************************************************************** ** \brief SPI 时钟极性设置 ******************************************************************************/ typedef enum en_spi_cpol { Spicpollow = 0u, ///<极性为低 Spicpolhigh = 1u, ///<极性为高 }en_spi_cpol_t; /** ****************************************************************************** ** \brief SPI 时钟相位设置 ******************************************************************************/ typedef enum en_spi_cpha { Spicphafirst = 0u, ///<第一边沿采样 Spicphasecond = 1u, ///<第二边沿采样 }en_spi_cpha_t; /** ****************************************************************************** ** \brief SPI 时钟分频配置 *****************************************************************************/ typedef enum en_spi_clk_div { SpiClkDiv2 = 0u, ///<2分频 SpiClkDiv4 = 1u, ///<4分频 SpiClkDiv8 = 2u, ///<8分频 SpiClkDiv16 = 3u, ///<16分频 SpiClkDiv32 = 4u, ///<32分频 SpiClkDiv64 = 5u, ///<64分频 SpiClkDiv128 = 6u, ///<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 = 0x80, ///<传输结束中断标志 SpiSserr = 0x20, ///<从机模式错误标志 SpiMdf = 0x10, ///<主机模式错误标志 SpiBusy = 0x08, ///