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*
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*
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* \date 17.09.2007 first version
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* \date 17.09.2007 first version
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*
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*
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*/
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*/
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#ifndef SPI_FLASH /* prevent circular inclusions */
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#ifndef _SPI_FLASH_H_ /* prevent circular inclusions */
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#define SPI_FLASH /* by using protection macros */
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#define _SPI_FLASH_H_
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#include <stdint.h>
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#include <stdint.h>
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//#include "spi.h"
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//#include "spi.h"
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/**************************** Type Definitions *******************************/
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/**************************** Type Definitions *******************************/
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#define MEMCAPACITY_8MBIT_SPA 0x13 /**< 8 MBit memory capacity */
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#define MEMCAPACITY_8MBIT_SPA 0x13 /**< 8 MBit memory capacity */
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#define MEMCAPACITY_16MBIT_SPA 0x14 /**< 16 MBit memory capacity */
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#define MEMCAPACITY_16MBIT_SPA 0x14 /**< 16 MBit memory capacity */
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#define MEMCAPACITY_32MBIT_SPA 0x15 /**< 32 MBit memory capacity */
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#define MEMCAPACITY_32MBIT_SPA 0x15 /**< 32 MBit memory capacity */
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#define MAXADRESS_8MBIT 0x0FFFFF
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#define MAXADRESS_8MBIT 0x0FFFFF /**< 8 Mbit device highest usable Adress */
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#define FLASH_SIZE_8MBIT (0x0100000) /**< Total 8 Mbit device size in Bytes */
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#define FLASH_SIZE_8MBIT (0x0100000) /**< Total 8 Mbit device size in Bytes */
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#define FLASH_PAGE_COUNT_8MBIT (0x01000) /**< Total 8 Mbit device size in Pages */
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#define FLASH_PAGE_COUNT_8MBIT (0x01000) /**< Total 8 Mbit device size in Pages */
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#define FLASH_SECTOR_COUNT_8MBIT (0x10) /**< Total 8 Mbit device size in Sectors */
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#define FLASH_SECTOR_COUNT_8MBIT (0x10) /**< Total 8 Mbit device size in Sectors */
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#define MAXADRESS_16MBIT 0x1FFFFF
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#define MAXADRESS_16MBIT 0x1FFFFF /**< 16 Mbit device highest usable Adress */
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#define FLASH_SIZE_16MBIT (0x0200000) /**< Total 16 Mbit device size in Bytes */
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#define FLASH_SIZE_16MBIT (0x0200000) /**< Total 16 Mbit device size in Bytes */
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#define FLASH_PAGE_COUNT_16MBIT (0x02000) /**< Total 16 Mbit device size in Pages */
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#define FLASH_PAGE_COUNT_16MBIT (0x02000) /**< Total 16 Mbit device size in Pages */
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#define FLASH_SECTOR_COUNT_16MBIT (0x20) /**< Total 16 Mbit device size in Sectors */
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#define FLASH_SECTOR_COUNT_16MBIT (0x20) /**< Total 16 Mbit device size in Sectors */
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#define MAXADRESS_32MBIT 0x3FFFFF
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#define MAXADRESS_32MBIT 0x3FFFFF /**< 32 Mbit device highest usable Adress */
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#define FLASH_SIZE_32MBIT (0x0400000) /**< Total 32 Mbit device size in Bytes */
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#define FLASH_SIZE_32MBIT (0x0400000) /**< Total 32 Mbit device size in Bytes */
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#define FLASH_PAGE_COUNT_32MBIT (0x04000) /**< Total 32 Mbit device size in Pages */
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#define FLASH_PAGE_COUNT_32MBIT (0x04000) /**< Total 32 Mbit device size in Pages */
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#define FLASH_SECTOR_COUNT_32MBIT (0x40) /**< Total 32 Mbit device size in Sectors */
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#define FLASH_SECTOR_COUNT_32MBIT (0x40) /**< Total 32 Mbit device size in Sectors */
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/* Return Codes */
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/* Return Codes */
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/** returns the end adress of the page that belongs to this adress
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/** returns the end adress of the page that belongs to this adress
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* \param[in] adr adress somewhere in the flash
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* \param[in] adr adress somewhere in the flash
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*/
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*/
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#define pageEnd(adr) ((adr) | 0x000000FF)
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#define pageEnd(adr) ((adr) | 0x000000FF)
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/** This struct contains all the needed information about the detected flash
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* chip (limits, memory structure,...) to work with it.
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* Is filled during init */
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extern SPI_flash xdata flash_dr;
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extern SPI_flash xdata flash_dr;
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/************************** Function Prototypes ******************************/
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/************************** Function Prototypes ******************************/
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/** \brief Checks if the SPI flash is busy
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/** \brief Checks if the SPI flash is busy
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int8_t init_spiflash(xdata SPI_flash *flashPtr);
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int8_t init_spiflash(xdata SPI_flash *flashPtr);
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/** \brief Reads data from the SPI flash
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/** \brief Reads data from the SPI flash
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*
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*
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* \param[in] xdata SPI_flash flashPtr pointer to an SPI_flash struct
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* \param[in] flashPtr pointer to an SPI_flash struct
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* \param[in] xdata uint32_t *adress pointer to the flash start adress to read
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* \param[in] *adress pointer to the flash start adress to read from
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* from
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* \param[out] *buffer pointer to a buffer to write the data into
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* \param[out] xdata uint8_t *buffer, pointer to a buffer to write the data into
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* \param[in] length length of the data to read
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* \param[in] length of the data to read
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* \return returns non-zero if successful, else 0
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* \return returns non-zero if successful, else 0
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*/
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*/
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int8_t spiflash_read(xdata SPI_flash *flashPtr, xdata uint32_t *adress, xdata uint8_t *buffer, const idata uint16_t length);
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int8_t spiflash_read(xdata SPI_flash *flashPtr, xdata uint32_t *adress, \
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xdata uint8_t *buffer, const idata uint16_t length);
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/** \brief deletes the whole SPI flash
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/** \brief deletes the whole SPI flash
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*
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*
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* \param[in] *flashPtr pointer to an SPI_flash struct
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* \param[in] *flashPtr pointer to an SPI_flash struct
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* \param[in] length of the data to read
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* \param[in] length of the data to read
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* \return returns non-zero if successful, else 0
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* \return returns non-zero if successful, else 0
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*/
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*/
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int8_t spiflash_write(xdata SPI_flash *flashPtr, xdata uint32_t *adress, xdata uint8_t *buffer, uint16_t length);
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int8_t spiflash_write(xdata SPI_flash *flashPtr, xdata uint32_t *adress, xdata uint8_t *buffer, uint16_t length);
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#ifdef __cplusplus
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}
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#endif
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#endif
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#endif /* _SPI_FLASH_H_ */
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