142 lines
3.6 KiB
C
142 lines
3.6 KiB
C
/***************************************************************
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*Copyright (C), 2017, Shanghai Eastsoft Microelectronics Co., Ltd.
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*文件名: lib_spi.h
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*作 者: Liut
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*版 本: V1.00
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*日 期: 2017/07/14
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*描 述: SPI模块库函数头文件
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*备 注: 适用于 ES8P508x芯片
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本软件仅供学习和演示使用,对用户直接引用代码所带来的风险或后果不承担任何法律责任。
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***************************************************************/
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#ifndef __LIBSPI_H__
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#define __LIBSPI_H__
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#include "system_ES8P508x.h"
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#include "ES8P508x.h"
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#include "type.h"
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/* 通信数据格式 */
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typedef enum
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{
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SPI_RiseSendFallRec = 0x0 , //通信数据格式:上升沿发送(先),下降沿接收(后)
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SPI_FallSendRiseRec = 0x1 , //通信数据格式:下降沿发送(先),上升沿接收(后)
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SPI_RiseRecFallSend = 0x2 , //通信数据格式:上升沿接收(先),下降沿发送(后)
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SPI_FallRecRiseSend = 0x3 , //通信数据格式:下降沿接收(先),上升沿发送(后)
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}SPI_TYPE_DFS;
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/* 通讯模式 */
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typedef enum
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{
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SPI_Mode_Master = 0x0 , //通讯模式:主控
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SPI_Mode_Slave = 0x1 , //通讯模式:从动
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}SPI_TYPE_MODE;
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/* ADC初始化配置结构体定义 */
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typedef struct
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{
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uint32_t SPI_Freq; //SPI频率
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SPI_TYPE_DFS SPI_Df; //通讯数据格式
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SPI_TYPE_MODE SPI_Mode; //通讯模式
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uint8_t SPI_DW; //发送帧位宽
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TYPE_FUNCEN SPI_DelayRec; //延时接收使能
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TYPE_FUNCEN SPI_DelaySend; //发送间隔使能
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uint8_t SPI_SendDelayPeroid;//发送间隔周期
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}SPI_InitStruType;
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/* 标志位 */
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typedef enum
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{
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SPI_Flag_TB = 0x00000001,
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SPI_Flag_RB = 0x00000002,
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SPI_Flag_TE = 0x00000004,
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SPI_Flag_RO = 0x00000008,
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SPI_Flag_ID = 0x00000010,
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SPI_Flag_NSSIF = 0x00000020,
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SPI_Flag_TBWE = 0x00000040,
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SPI_Flag_NSS = 0x00000080,
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SPI_Flag_TBEF0 = 0x00000100,
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SPI_Flag_TBEF1 = 0x00000200,
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SPI_Flag_TBEF2 = 0x00000400,
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SPI_Flag_TBEF3 = 0x00000800,
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SPI_Flag_RBFF0 = 0x00001000,
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SPI_Flag_RBFF1 = 0x00002000,
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SPI_Flag_RBFF2 = 0x00004000,
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SPI_Flag_RBFF3 = 0x00008000,
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SPI_Flag_IDLE = 0x00010000,
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SPI_Flag_TMS = 0x00020000,
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}SPI_TYPE_FLAG;
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/* 中断模式选择 */
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typedef enum
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{
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SPI_IType_BYTE = 0x0 ,
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SPI_IType_HALFWORD = 0x1 ,
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SPI_IType_WORD = 0x2 ,
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}SPI_TYPE_TRBIM;
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/* SPI中断 */
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typedef enum
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{
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SPI_IT_TB = 0x01 ,
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SPI_IT_RB = 0x02 ,
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SPI_IT_TE = 0x04 ,
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SPI_IT_RO = 0x08 ,
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SPI_IT_ID = 0x10 ,
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SPI_IT_NSS = 0x20 ,
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SPI_IT_TBWE = 0x40 ,
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}SPI_TYPE_IT;
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/* SPI清除中断标志 */
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typedef enum
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{
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SPI_Clr_TE = 0x04 ,
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SPI_Clr_RO = 0x08 ,
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SPI_Clr_ID = 0x10 ,
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SPI_Clr_NSS = 0x20 ,
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SPI_Clr_TBWE = 0x40 ,
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}SPI_CLR_IF;
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/************SPI模块宏定义***********/
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/* SPI使能控制 */
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#define SPI_Enable() (SPI0->CON.EN = 1)
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#define SPI_Disable() (SPI0->CON.EN = 0)
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/* SPI接收使能控制 */
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#define SPI_RecEnable() (SPI0->CON.REN = 1)
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#define SPI_RecDisable() (SPI0->CON.REN = 0)
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/* SPI软件复位 */
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#define SPI_Rst() (SPI0->CON.RST = 1)
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/* SPI缓冲器清空 */
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#define SPI_RX_CLR() (SPI0->CON.RXCLR = 1)
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#define SPI_TX_CLR() (SPI0->CON.TXCLR = 1)
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/************SPI模块函数声明***********/
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void SPI_Init(SPI_InitStruType* SPI_InitStruct);
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void SPI_ITConfig(SPI_TYPE_IT SPI_IE,TYPE_FUNCEN NewState);
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void SPI_DataFormatConfig(SPI_TYPE_DFS Type);
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void SPI_SendByte(uint8_t Temp);
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void SPI_SendHalfWord(uint16_t Temp);
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void SPI_SendWord(uint32_t Temp);
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uint8_t SPI_RecByte(void);
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uint16_t SPI_RecHalfWord(void);
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uint32_t SPI_RecWord(void);
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void SPI_TBIMConfig(SPI_TYPE_TRBIM Type);
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void SPI_RBIMConfig(SPI_TYPE_TRBIM Type);
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FlagStatus SPI_GetFlagStatus(SPI_TYPE_FLAG Flag);
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ITStatus SPI_GetITStatus(SPI_TYPE_IT Flag);
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void SPI_ClearITPendingBit(SPI_CLR_IF Flag);
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#endif
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/*************************END OF FILE**********************/
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