port.h

用at91sam7s64+ucos写的mp3播放程序

#ifndef _PORT_H_
#define _PORT_H_

#ifdef  PORT_GLOBAL
	#define PORT_EXN 
#else
	#define PORT_EXN extern
#endif



#define CH375_INTRQ      0
#define IDE_INTRQ        1


///////////////////////////////////////////////////////////////////////
#define PORT_8BIT             (0xff)
///////////////////////////////////////////////////////////////////////
#define NUSB_INT              (1 << 26)
///////////////////////////////////////////////////////////////////////
#define HDD_INTRQ              (1 << 30)
///////////////////////////////////////////////////////////////////////
#define ADD_LATCH             (1 << 8)  //PA_8
#define ADD_LATCH_HIGH()      (*AT91C_PIOA_SODR |= ADD_LATCH) 
#define ADD_LATCH_LOW()       (*AT91C_PIOA_CODR |= ADD_LATCH)
///////////////////////////////////////////////////////////////////////
#define NWRITE                (1 << 25) //PA25
#define NWRITE_HIGH()         (*AT91C_PIOA_SODR |= NWRITE) 
#define NWRITE_LOW()          (*AT91C_PIOA_CODR |= NWRITE)
              
///////////////////////////////////////////////////////////////////////
#define NREAD                 (1 << 24) //PA24
#define NREAD_HIGH()          (*AT91C_PIOA_SODR |= NREAD)
#define NREAD_LOW()           (*AT91C_PIOA_CODR |= NREAD)
///////////////////////////////////////////////////////////////////////
#define NLEBA                 (1 << 28) //PA28
#define NLEBA_HIGH()          (*AT91C_PIOA_SODR |= NLEBA)
#define NLEBA_LOW()           (*AT91C_PIOA_CODR |= NLEBA)
///////////////////////////////////////////////////////////////////////
#define NLEAB                 (1 << 27) //PA27
#define NLEAB_HIGH()          (*AT91C_PIOA_SODR |= NLEAB)
#define NLEAB_LOW()           (*AT91C_PIOA_CODR |= NLEAB)
///////////////////////////////////////////////////////////////////////
#define NOEBA                 (1 << 17) //PA17
#define NOEBA_HIGH()          (*AT91C_PIOA_SODR |= NOEBA)
#define NOEBA_LOW()           (*AT91C_PIOA_CODR |= NOEBA)
///////////////////////////////////////////////////////////////////////
#define NOEAB                 (1 << 18) //PA18
#define NOEAB_HIGH()          (*AT91C_PIOA_SODR |= NOEAB)
#define NOEAB_LOW()           (*AT91C_PIOA_CODR |= NOEAB)
///////////////////////////////////////////////////////////////////////
#define HDDRST                (1 << 29)
#define HDDRST_HIGH()         (*AT91C_PIOA_SODR |= HDDRST)
#define HDDRST_LOW()          (*AT91C_PIOA_CODR |= HDDRST)
///////////////////////////////////////////////////////////////////////
#define USBDPPUP              (1 << 16)
#define USBDPPUP_HIGH()       (*AT91C_PIOA_SODR |= USBDPPUP)
#define USBDPPUP_LOW()        (*AT91C_PIOA_CODR |= USBDPPUP)
///////////////////////////////////////////////////////////////////////
#define VBUSDET               (1 << 15)
#define VBUSDET_HIGH()        (*AT91C_PIOA_SODR |= VBUSDET)
#define VBUSDET_LOW()         (*AT91C_PIOA_CODR |= VBUSDET)
///////////////////////////////////////////////////////////////////////
#define PORT_CTRL_MASK        (ADD_LATCH | NWRITE | NREAD | NLEAB | NLEBA | NOEAB | NOEBA | HDDRST | USBDPPUP | VBUSDET)
///////////////////////////////////////////////////////////////////////
#define  MMC_PORT_MASK      (MMC_CS|MMC_CLK|MMC_MOSI|MMC_MISO|VS1003_CS|VS1003_DS|VS1003_RST|VS1003_DREQ)
#define  MMC_PORT_OUT_MASK  (MMC_CS|MMC_CLK|MMC_MOSI|VS1003_CS|VS1003_DS|VS1003_RST)
#define  MMC_PORT_IN_MASK   (MMC_MISO | VS1003_DREQ)


#define  SPI_CLK_MASK    (1 << 5)

#define  MMC_CS          (1 << 31)
#define  MMC_CLK         (1 << 14)
#define  MMC_MOSI        (1 << 13)
#define  MMC_MISO        (1 << 12)
#define  VS1003_CS       (1 << 11)
#define  VS1003_DS       (1 << 22)
#define  VS1003_RST      (1 << 20)
#define  VS1003_DREQ     (1 << 21)

#define  VS1003_CS_HIGH()  (*AT91C_PIOA_SODR |= VS1003_CS)
#define  VS1003_CS_LOW()   (*AT91C_PIOA_CODR |= VS1003_CS)

#define  VS1003_DS_HIGH()  (*AT91C_PIOA_SODR |= VS1003_DS)
#define  VS1003_DS_LOW()   (*AT91C_PIOA_CODR |= VS1003_DS)

#define  VS1003_RST_HIGH()  (*AT91C_PIOA_SODR |= VS1003_RST)
#define  VS1003_RST_LOW()   (*AT91C_PIOA_CODR |= VS1003_RST)

#define  MMC_CS_HIGH()     (*AT91C_PIOA_SODR |= MMC_CS)
#define  MMC_CS_LOW()      (*AT91C_PIOA_CODR |= MMC_CS)

#define  MMC_CLK_HIGH()    (*AT91C_PIOA_SODR |= MMC_CLK)
#define  MMC_CLK_LOW()     (*AT91C_PIOA_CODR |= MMC_CLK)

#define  MMC_MOSI_HIGH()   (*AT91C_PIOA_SODR |= MMC_MOSI)
#define  MMC_MOSI_LOW()    (*AT91C_PIOA_CODR |= MMC_MOSI)




PORT_EXN  INT8U port_GetINT(INT8U);
PORT_EXN  void  port_Delay(INT16U time);
PORT_EXN  void  port_SendData(INT8U add, INT8U data);
PORT_EXN  INT8U port_ReadData(INT8U add);
PORT_EXN  void  port_SetAddress(INT8U u8Add);
PORT_EXN  void  port_ClkOpen(void);
PORT_EXN  void  port_SpiInit(void);
PORT_EXN  void  port_8BitInit(void);
PORT_EXN  void port_IntInit(void);


#endif