sdspihal.h

周立功开发板smartArm2300的sd示例程序。

/****************************************Copyright (c)**************************************************
**                               Guangzhou ZLG-MCU Development Co.,LTD.
**                                      graduate school
**                                 http://www.zlgmcu.com
**
**--------------File Info-------------------------------------------------------------------------------
** File name:			sdhal.h
** Last modified Date:	2005-3-11
** Last Version:		V2.0
** Descriptions:		SD/MMC卡读写模块 ---- 硬件抽象层文件头文件
**
**
**------------------------------------------------------------------------------------------------------
** Created by:			Ming Yuan Zheng
** Created date:		2005-1-6
** Version:				V1.0
** Descriptions:		The original version
**
**------------------------------------------------------------------------------------------------------
** Modified by:			
** Modified date:		
** Version:				
** Descriptions:		
**
**------------------------------------------------------------------------------------------------------
** Modified by: 
** Modified date:
** Version:	
** Descriptions: 
**
********************************************************************************************************/

#ifndef __SDHAL_H__
#define __SDHAL_H__


/*
****************************
   SD 总线模式
****************************
*/

#if (!SDBUS_MODE_EN)


/*************************************
   LPC22xx 硬件配置(使用SPI总线) 
**************************************/

/* LPC22xx 硬件配置 */
  
/* SPI (Serial Peripheral Interface) */
/* SPI总线接口的特殊寄存器 */
/* only for lpc210x*/
#define SPI_SPCR        (*((volatile unsigned char *) 0xE0020000))
#define SPI_SPSR        (*((volatile unsigned char *) 0xE0020004))
#define SPI_SPDR        (*((volatile unsigned char *) 0xE0020008))
#define SPI_SPCCR       (*((volatile unsigned char *) 0xE002000C))
#define SPI_SPINT       (*((volatile unsigned char *) 0xE002001C))

/* for lpc211x/212x/22xx */
#define S0PCR           (*((volatile unsigned char *) 0xE0020000))      /* no in lpc210x*/
#define S0PSR           (*((volatile unsigned char *) 0xE0020004))      /* no in lpc210x*/
#define S0PDR           (*((volatile unsigned char *) 0xE0020008))      /* no in lpc210x*/
#define S0PCCR          (*((volatile unsigned char *) 0xE002000C))      /* no in lpc210x*/
#define S0PINT          (*((volatile unsigned char *) 0xE002001C))      /* no in lpc210x*/

#define S1PCR           (*((volatile unsigned char *) 0xE0030000))      /* no in lpc210x*/
#define S1PSR           (*((volatile unsigned char *) 0xE0030004))      /* no in lpc210x*/
#define S1PDR           (*((volatile unsigned char *) 0xE0030008))      /* no in lpc210x*/
#define S1PCCR          (*((volatile unsigned char *) 0xE003000C))      /* no in lpc210x*/
#define S1PINT          (*((volatile unsigned char *) 0xE003001C))      /* no in lpc210x*/

/* for lpc213x */
#define SPCR            (*((volatile unsigned char *) 0xE0020000))      
#define SPSR            (*((volatile unsigned char *) 0xE0020004))      
#define SPDR            (*((volatile unsigned char *) 0xE0020008))     
#define SPCCR           (*((volatile unsigned char *) 0xE002000C))     
#define SPINT           (*((volatile unsigned char *) 0xE002001C))    
 
#define SSPCR0          (*((volatile unsigned long *) 0xE0068000))      /* lpc2132\2138 only */
#define SSPCR1          (*((volatile unsigned long *) 0xE0068004))      /* lpc2132\2138 only */
#define SSPDR           (*((volatile unsigned long *) 0xE0068008))      /* lpc2132\2138 only */
#define SSPSR           (*((volatile unsigned long *) 0xE006800C))      /* lpc2132\2138 only */
#define SSPCPSR         (*((volatile unsigned long *) 0xE0068010))      /* lpc2132\2138 only */
#define SSPIMSC         (*((volatile unsigned long *) 0xE0068014))      /* lpc2132\2138 only */
#define SSPRIS          (*((volatile unsigned long *) 0xE0068018))      /* lpc2132\2138 only */
#define SSPMIS          (*((volatile unsigned long *) 0xE006801C))      /* lpc2132\2138 only */
#define SSPICR          (*((volatile unsigned long *) 0xE0068020))      /* lpc2132\2138 only */
 
 
/* SCK引脚 */
#define  SPI_SCK				(0x01 << 4)						
#define  SPI_SCK_GPIO()			PINSEL0 &= ~(0x03 << 8)			/* 设置 SCK 口为GPIO口 */
#define  SPI_SCK_OUT()			IO0DIR |= SPI_SCK				/* 设置 SCK 口为输出口 */
#define	 SPI_SCK_CLR()			IO0CLR = SPI_SCK				/* 置 SCK 为低电平 */	

/* MISO 引脚 */	
#define  SPI_MISO				(0x01 << 5)						
#define  SPI_MISO_GPIO()		PINSEL0 &= ~(0x03 << 10)		/* 设置 MISO 口为GPIO口 */
#define  SPI_MISO_OUT()			IO0DIR |= SPI_MISO				/* 设置 MISO 口为输出口 */
#define	 SPI_MISO_CLR()			IO0CLR = SPI_MISO				/* 置 MISO 为低电平 */

/* MOSI 引脚 */	
#define  SPI_MOSI				(0x01 << 6)
#define  SPI_MOSI_GPIO()		PINSEL0 &= ~(0x03 << 12)		/* 设置 MOSI 口为GPIO口 */
#define  SPI_MOSI_OUT()			IO0DIR |= SPI_MOSI				/* 设置 MOSI 口为输出口 */
#define	 SPI_MOSI_CLR()			IO0CLR = SPI_MOSI				/* 置 MISO 为低电平 */

/* CS 引脚 */		
#define  SPI_CS      			(0x01 << 24)              	 	
#define  SPI_CS_GPIO()			PINSEL1 &= ~(0x03 << 16)		/* 设置 CS 口为GPIO口 */
#define  SPI_CS_OUT()			IO0DIR |= SPI_CS;			 	/* 设置 CS 口为输出口 */
#define	 SPI_CS_SET()			IO0SET |= SPI_CS;				/* 置 CS 为高电平 */
#define	 SPI_CS_CLR()			IO0CLR |= SPI_CS;				/* 置 CS 为低电平 */

/* 初始化 IO 口为SPI接口 */
#define  SPI_INIT()				PINSEL0 &= ~((0x03 << 8) + (0x03 << 10) + (0x03 << 12) + (0x03 << 14)); \
								PINSEL0 |= (0x01 << 8) + (0x01 << 10) + (0x01 << 12) + (0x01 << 14);
																
/* 电源控制引脚 */
#define  SD_POWER				(0x01 << 23)	
#define  SD_POWER_GPIO()		PINSEL1 &= ~(0x03 << 14)		/* 设置 POWER 口为GPIO口 */
#define  SD_POWER_OUT()			IO0DIR |= SD_POWER				/* 设置 POWER 口为输出口 */
#define  SD_POWER_OFF()			IO0SET = SD_POWER				/* 置 POWER 为高电平 */
#define  SD_POWER_ON()			IO0CLR = SD_POWER				/* 置 POWER 为低电平 */

/* 卡完全插入卡座检测引脚 */
#define  SD_INSERT				(0x01 << 25)		
#define  SD_INSERT_GPIO()		PINSEL1 &= ~(0x03 << 18)		/* 设置 INSERT 口为GPIO口 */	
#define  SD_INSERT_IN()			IO0DIR &= ~SD_INSERT			/* 设置 INSERT 口为输出口 */	
#define  SD_INSERT_STATUS()  	(IO0PIN & SD_INSERT)			/* 读取 INSERT 口的状态 */

/* 卡写保护检测引脚 */
#define  SD_WP					(0x01 << 25)		
#define  SD_WP_GPIO()											/* 设置 WP 口为GPIO口 */	
#define  SD_WP_IN()				IO1DIR &= ~SD_WP				/* 设置 WP 口为输入口 */	
#define  SD_WP_STATUS()  		(IO1PIN & SD_WP)				/* 读取 WP 口的状态   */


extern INT8U SdHal_SendCmd(sd_struct *sds, INT8U cmd, INT8U *param, INT8U resptype, INT8U *resp);

/* 检测卡是否完全插入  check weather card is insert entirely */
extern INT8U SdHal_CheckCard(sd_struct *sds);

/* 检测卡是否写保护  check weather card is write protect */
extern INT8U SdHal_CheckCardWP(sd_struct *sds);

/* 初始化访问SD卡的硬件初始化 initialize the hardware that access sd card */
extern INT8U SdHal_Initialize(sd_struct *sds);


extern void SdHal_SetMCIClock(sd_struct *sds, INT32U ClockRate);

/* 通过SPI接口发送一个字节 send a byte by SPI interface */
extern void SdHal_SPISendByte(sd_struct *sds, INT8U byte);

/* 从SPI接口接收一个字节 receive a byte from SPI interface */
extern INT8U SdHal_SPIRecByte(sd_struct *sds);

/* 片选SPI从机 select the SPI slave */
extern void SdHal_SPI_CSAssert(sd_struct *sds);

/* 不片选SPI从机 not select the SPI slave */
extern void SdHal_SPI_CSDeassert(sd_struct *sds);


// 数据流函数
extern INT8U SdHal_ReadRegister(sd_struct *sds, INT32U len, INT8U *recbuf);					// 读寄存器
extern INT8U SdHal_ReadBlockData(sd_struct *sds, INT32U len, INT8U *recbuf);					// 读块数据
extern INT8U SdHal_WriteBlockData(sd_struct *sds, INT8U bmulti, INT32U len, INT8U *sendbuf);	// 写块数据

	
// 其它函数
extern void SdHal_StopMultiToken(sd_struct *sds);					// 停止多块写令牌	 
extern INT8U SdHal_WaitBusy(sd_struct *sds, INT8U waittype);		// 忙
extern void SdHal_SPIDelay(sd_struct *sds, INT8U value);		// 发生SPI时钟



#endif


#endif