rt-thread-official/bsp/essemi/es8p508x/libraries/Library/Include/lib_spi.h

142 lines
3.6 KiB
C

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