135 lines
4.1 KiB
C
135 lines
4.1 KiB
C
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/*=====================================================================
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File name : SPISE2P.H
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Originator : Settu Duraisamy
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C2000 Applications Team
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Texas Instruments
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Description :
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Header file containing object definitions, proto type
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declaration and default object initializers for
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SPI Serial EEPROM driver using VSPI
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Date : 30/6/2003 (DD/MM/YYYY)
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=======================================================================*/
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#ifndef __SPISE2P_H__
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#define __SPISE2P_H__
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// <09><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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#define SEEPROM_LEN 0x10000
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#define NULL 0
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#define SIXTEEN_BIT 15
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#define EIGHT_BIT 07
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/***************************************************************/
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/* Configurable Parameter for SPI bus Serial EEPROM */
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/***************************************************************/
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#define SPISE2P_DATA_WIDTH SIXTEEN_BIT//EIGHT_BIT
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#define SPISE2P_ADDR_WIDTH SIXTEEN_BIT
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#define SPIBAUD_REG_VAL 1//12
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#define SPICLK_PHASE 1
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#define SPICLK_POLARITY 0
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#define SPIBAUD_RATE 100000
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//10000000
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/**************************************************************/
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/**************************************************************/
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/* Serial EEPROM Command words, left justified */
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#define SPISE2P_READ_CMD 0x0300
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#define SPISE2P_WRITE_CMD 0x0200
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#define SPISE2P_WRDI_CMD 0x0400
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#define SPISE2P_WREN_CMD 0x0600
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#define SPISE2P_RDSR_CMD 0x0500
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#define SPISE2P_WRSR_CMD 0x0100
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#define SPISE2P_RDID_CMD 0x0A00
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#define SPISE2P_DUMMY_DATA 0x0000
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#define SPISE2P_BUSY_MASK 0x01
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/* Symbolic constant for SPICCR to transfer 8bit or 16 bit value*/
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#define SPISE2P_TFR16BIT 0x80|(SPICLK_POLARITY<<6)|SIXTEEN_BIT
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#define SPISE2P_TFR8BIT 0x80|(SPICLK_POLARITY<<6)|EIGHT_BIT
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/* Status valus */
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#define SPISE2P_WRRQ 1 /* Write Requset */
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#define SPISE2P_RDRQ 2 /* Read request */
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#define SPISE2P_WRIP 4 /* Write in progress */
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#define SPISE2P_RDIP 8 /* Read in progress */
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/* Message declaration */
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typedef struct {
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unsigned int *dataPtr; /* Data pointer */
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unsigned long nrData; /* number of data */
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unsigned long se2pAddr; /* se2pAddr */
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}SE2P_DATA;
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/* Object declaration */
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typedef struct {
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SE2P_DATA *msgPtr;
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unsigned int csr; /* control/status register */
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void (*init)(void *);
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void (*tick)(void *);
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void (*csset)(void);
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void (*csclr)(void);
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}SPISE2P_DRV;
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#define SPISE2P_DRV_DEFAULTS { NULL,\
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0,\
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(void (*)(void *))SPISE2P_DRV_init,\
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(void (*)(void *))SPISE2P_DRV_tick,\
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(void (*)(void))SPISE2P_DRV_csset,\
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(void (*)(void))SPISE2P_DRV_csclr}
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typedef SPISE2P_DRV *SPISE2P_DRV_handle;
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void SPISE2P_DRV_init(SPISE2P_DRV * );
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void SPISE2P_DRV_tick(SPISE2P_DRV *);
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void SPISE2P_DRV_csset(void);
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void SPISE2P_DRV_csclr(void);
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unsigned int spiSe2pFree(SPISE2P_DRV *se2p);
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void spiSe2pWrite(SPISE2P_DRV *se2p, SE2P_DATA *data);
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void spiSe2pRead(SPISE2P_DRV *se2p, SE2P_DATA *data);
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#if(SPISE2P_DATA_WIDTH==SIXTEEN_BIT)
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#define PROM_LEN 0x8000
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#define PAGE_LEN 0x20
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#define WORD_LEN 2
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#else
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#define PROM_LEN 0x4000
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#define PAGE_LEN 0x40
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#define WORD_LEN 1
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#endif
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/* <09><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> EEPROM. **
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** <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> SPI <EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD>. <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>. **
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** <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 2! */
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void Init_Seeprom(void);
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/* <09><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20> SEEPROM. <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: **
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** adres - <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>. **
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** adres = 0..0x8000, <EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 8 <EFBFBD><EFBFBD><EFBFBD> **
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** adres = 0..0x4000, <EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 16 <EFBFBD><EFBFBD><EFBFBD> **
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** buf - <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>. **
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** size - <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>. <EFBFBD><EFBFBD>-<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>! */
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void Seeprom_write(unsigned int adres, unsigned int buf[], unsigned int size);
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/* <09><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20><> SEEPROM. <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: **
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** adres - <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>. **
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** adres = 0..0x8000, <EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 8 <EFBFBD><EFBFBD><EFBFBD> **
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** adres = 0..0x4000, <EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 16 <EFBFBD><EFBFBD><EFBFBD> **
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** buf - <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>. **
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** size - <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>. <EFBFBD><EFBFBD>-<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>! */
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void Seeprom_read(unsigned int adres, unsigned int buf[], unsigned int size);
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#endif
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