embedded_services.h

This zip file shows the use ROM Services in order to speed up an application and reduce its code siz

extern char AT91F_PipeMsgReceived(AT91PS_Pipe pPipe, char const *pVoid);

#ifdef DBG_DRV_PIPE
// This function parse the error number and return a string
// describing the error message
extern char const *AT91F_PipeGetError(AT91S_PipeStatus msgId);
#endif
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// End of Pipe structure
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////


//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// DataFlash service
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
#include "AT91C_SPI_DataFlash.h"

/************************************************************************************************************************/
typedef unsigned int AT91S_SvcDataFlashStatus;

/************************************************************************************************************************/
typedef struct _AT91PS_SvcDataFlash {
	void 					 (*Handler)						(struct _AT91PS_SvcDataFlash *, unsigned int );
	AT91S_SvcDataFlashStatus (*Status)  					(struct _AT91S_DataflashDesc *);
	void					 (*AbortCommand)  				(struct _AT91S_DataflashDesc *);

	AT91S_SvcDataFlashStatus (*PageRead)   					(struct _AT91PS_SvcDataFlash *, unsigned int, unsigned char *, int);
	AT91S_SvcDataFlashStatus (*ContinuousRead)   			(struct _AT91PS_SvcDataFlash *, int, unsigned char *, int);
	AT91S_SvcDataFlashStatus (*ReadBuffer)   				(struct _AT91PS_SvcDataFlash *, unsigned char, unsigned int, unsigned char *, int);
	AT91S_SvcDataFlashStatus (*MainMemoryToBufferTransfert) (struct _AT91PS_SvcDataFlash *, unsigned char,unsigned int);
	
	AT91S_SvcDataFlashStatus (*PagePgmBuf)  				(struct _AT91PS_SvcDataFlash *, unsigned char, unsigned char *, unsigned int, unsigned int);
	AT91S_SvcDataFlashStatus (*WriteBuffer)  				(struct _AT91PS_SvcDataFlash *, unsigned char, unsigned char *, unsigned int, int);
	AT91S_SvcDataFlashStatus (*WriteBufferToMain)  			(struct _AT91PS_SvcDataFlash *, unsigned char, unsigned int);
	
	AT91S_SvcDataFlashStatus (*PageErase)  					(struct _AT91PS_SvcDataFlash *, unsigned int);
	AT91S_SvcDataFlashStatus (*BlockErase)  				(struct _AT91PS_SvcDataFlash *, unsigned int);
	
	AT91S_SvcDataFlashStatus (*MainMemoryToBufferCompare) 	(struct _AT91PS_SvcDataFlash *, unsigned char, unsigned int);
		
	AT91S_DataflashDesc		 DataFlashDesc;					// dataflash descriptor
	AT91PS_Dataflash		 pDevice;						// Pointer on a dataflash features array  
	char          			 *pData;						// private data

}AT91S_SvcDataFlash, *AT91PS_SvcDataFlash;
/************************************************************************************************************************/
typedef AT91PS_SvcDataFlash (*AT91PF_OpenSvcDataFlash)  						(const AT91PS_PMC, AT91PS_SvcDataFlash);
/************************************************************************************************************************/
extern AT91PS_SvcDataFlash 		AT91F_OpenSvcDataFlash 				(const AT91PS_PMC, AT91PS_SvcDataFlash);

extern void 					AT91F_DataFlashHandler				(AT91PS_SvcDataFlash , unsigned int);
extern AT91S_SvcDataFlashStatus	AT91F_DataFlashGetStatus			(AT91PS_DataflashDesc);
extern void 					AT91F_DataFlashAbortCommand			(AT91PS_DataflashDesc);
extern AT91S_SvcDataFlashStatus AT91F_DataFlashPageRead 			(AT91PS_SvcDataFlash,unsigned int,unsigned char *,int);
extern AT91S_SvcDataFlashStatus AT91F_DataFlashContinuousRead 		(AT91PS_SvcDataFlash ,int ,unsigned char *,int);
extern AT91S_SvcDataFlashStatus AT91F_DataFlashReadBuffer 			(AT91PS_SvcDataFlash,	unsigned char,	unsigned int, unsigned char *, int);
extern AT91S_SvcDataFlashStatus AT91F_MainMemoryToBufferTransfert	(AT91PS_SvcDataFlash ,unsigned char ,unsigned int );
extern AT91S_SvcDataFlashStatus AT91F_DataFlashPagePgmBuf			(AT91PS_SvcDataFlash,unsigned char,unsigned char*,unsigned int,unsigned int);
extern AT91S_SvcDataFlashStatus AT91F_DataFlashWriteBuffer 			(AT91PS_SvcDataFlash, unsigned char, unsigned char *, unsigned int, int);
extern AT91S_SvcDataFlashStatus AT91F_WriteBufferToMain 			(AT91PS_SvcDataFlash, unsigned char, unsigned int);
extern AT91S_SvcDataFlashStatus AT91F_PageErase 					(AT91PS_SvcDataFlash, unsigned int);
extern AT91S_SvcDataFlashStatus AT91F_BlockErase 					(AT91PS_SvcDataFlash, unsigned int);
extern AT91S_SvcDataFlashStatus AT91F_MainMemoryToBufferCompare		(AT91PS_SvcDataFlash, unsigned char, unsigned int);
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// End of DataFlash service
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////


//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// CRC service
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
extern const unsigned char bit_rev[256];

extern void CalculateCrc32(const unsigned char *,unsigned int, unsigned int *);
extern void CalculateCrc16(const unsigned char *, unsigned int , unsigned short *); 
extern void CalculateCrcHdlc(const unsigned char *, unsigned int, unsigned short *);
extern void CalculateCrc16ccitt(const unsigned char *, unsigned int , unsigned short *);
/************************************************************************************************************************/
typedef const unsigned char* AT91PS_SVC_CRC_BIT_REV ;

typedef void  (*AT91PF_SVC_CRC32)   (const unsigned char *, unsigned int, unsigned int *);
typedef void  (*AT91PF_SVC_CRC16)   (const unsigned char *, unsigned int, unsigned short *);
typedef void  (*AT91PF_SVC_CRCHDLC) (const unsigned char *, unsigned int, unsigned short *);
typedef	void  (*AT91PF_SVC_CRCCCITT)(const unsigned char *, unsigned int , unsigned short *);
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// End of CRC service
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////


//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Sinus service
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
typedef short (*AT91PF_Sinus) (int angle);
typedef const short * AT91PS_SINE_TAB;

/************************************************************************************************************************/
extern short AT91F_Sinus(int angle);
extern const short AT91C_SINUS180_TAB[256];
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// End of Sinus service
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////


//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// ROM Entry service
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
typedef void (TypeAICHandler) (void) ;

/************************************************************************************************************************/
// ROM BOOT Structure Element Definition (liv v2)
typedef struct _AT91S_MEMCDesc
{
    AT91PS_MC		memc_base ;		/* Peripheral base */
    unsigned char	periph_id ;		/* MC Peripheral Identifier */
} AT91S_MEMCDesc, *AT91PS_MEMCDesc ;

typedef struct _AT91S_Pio2Desc
{
   AT91PS_PIO      pio_base ;       /* Base Address */
   unsigned char   periph_id ;      /* Peripheral Identifier */
   unsigned char   pio_number ;     /* Total Pin Number */
} AT91S_Pio2Desc, *AT91PS_Pio2Desc ;

typedef struct _AT91S_SPIDesc
{
    AT91PS_SPI         		spi_base ;
    const AT91PS_PIO        pio_base ;
    unsigned char           periph_id ;
    unsigned char           pin_spck ;
    unsigned char           pin_miso ;
    unsigned char           pin_mosi ;
    unsigned char           pin_npcs[4] ;
} AT91S_SPIDesc, *AT91PS_SPIDesc ;

typedef struct _AT91S_USART2Desc
{
    AT91PS_USART           	usart_base ;   	/* Peripheral base */
    const AT91PS_PIO   		pio_base ;     	/* IO controller descriptor */
    unsigned int            pin_rxd ;       /* RXD pin number in the PIO */
    unsigned int            pin_txd ;       /* TXD pin number in the PIO */
    unsigned int            pin_sck ;       /* SCK pin number in the PIO */
    unsigned int            pin_rts ;       /* RTS pin number in the PIO */
    unsigned int            pin_cts ;       /* CTS pin number in the PIO */
    unsigned int            pin_dtr ;       /* DTR pin number in the PIO */
    unsigned int            pin_ri ;        /* RI pin number in the PIO */
    unsigned int            pin_dsr ;       /* DSR pin number in the PIO */
    unsigned int            pin_dcd ;       /* DCD pin number in the PIO */
    unsigned int            periph_id ;     /* USART Peripheral Identifier */
} AT91S_USART2Desc, *AT91PS_USART2Desc ;

typedef struct _AT91S_TWIDesc
{
    AT91PS_TWI 				TWI_base ;
    const AT91PS_PIO        pio_base ;
    unsigned int			pin_sck ;
    unsigned int			pin_sda ;
    unsigned int 			periph_id;
}AT91S_TWIDesc, *AT91PS_TWIDesc;

typedef struct _AT91S_STDesc
{
    AT91PS_ST  		st_base ;          	/* Peripheral base address */
    TypeAICHandler  *AsmSTHandler ;     /* Assembly interrupt handler */
    unsigned char   PeriphId ;          /* Peripheral Identifier */
} AT91S_STDesc, *AT91PS_STDesc;

/************************************************************************************************************************/
typedef struct _AT91S_RomBoot {
	const unsigned int     version;
	// Peripheral descriptors
	const AT91S_MEMCDesc   MEMC_DESC;
	const AT91S_STDesc     SYSTIMER_DESC;
	const AT91S_Pio2Desc   PIOA_DESC;
	const AT91S_Pio2Desc   PIOB_DESC;
	const AT91S_USART2Desc DBGU_DESC;
	const AT91S_USART2Desc USART0_DESC;
	const AT91S_USART2Desc USART1_DESC;
	const AT91S_USART2Desc USART2_DESC;
	const AT91S_USART2Desc USART3_DESC;
	const AT91S_TWIDesc    TWI_DESC;
	const AT91S_SPIDesc    SPI_DESC;

	// Objects entry
	const AT91PF_OpenPipe      		OpenPipe;
	const AT91PF_OpenSBuffer   		OpenSBuffer;
	const unsigned int				reserved1;
	const AT91PF_OpenSvcXmodem 		OpenSvcXmodem;
	const AT91PF_OpenCtlTempo  		OpenCtlTempo;
	const unsigned int				reserved2;
	const unsigned int				reserved3;
	const AT91PF_OpenSvcDataFlash 	OpenSvcDataFlash;
	const AT91PF_SVC_CRC16			CRC16;
	const AT91PF_SVC_CRCCCITT		CRCCCITT;
	const AT91PF_SVC_CRCHDLC		CRCHDLC;
	const AT91PF_SVC_CRC32			CRC32;
	const AT91PS_SVC_CRC_BIT_REV	Bit_Reverse_Array;
	const AT91PS_SINE_TAB			SineTab; 
	const AT91PF_Sinus              Sine;
} AT91S_RomBoot, *AT91PS_RomBoot;

#define AT91C_ROM_BOOT_ADDRESS ((const AT91S_RomBoot *) ( *((unsigned int *) (AT91C_IROM + 0x20))) )

//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// End of ROM Entry Service
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////


//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
#endif