61 lines
2.5 KiB
C
61 lines
2.5 KiB
C
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#ifndef __MB85RS16_h__
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#define __MB85RS16_h__
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/* File start ***************************************************************/
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#if ENABLE_USE_MB85RS16
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/****************************************************************************/
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//---------------------------------------------------------------------------
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#define BYTE_MAX 2048
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//---------------------------------------------------------------------------
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//register
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#define FRAM_WREN 0x06 // 0000 0110B Set Write Enable Latch
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#define FRAM_WRDI 0x04 // 0000 0100B Reset Write Enable Latch
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#define FRAM_RDSR 0x05 // 0000 0101B Read Status Register
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#define FRAM_WRSR 0x01 // 0000 0001B Write Status Register
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#define FRAM_READ 0x03 // 0000 0011B Read Memory Code
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#define FRAM_WRITE 0x02 // 0000 0010B Write Memory Code
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#define FRAM_RDID 0x9f // 1001 1111B Read Device ID
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//Status Register
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#define WPEN 0x80
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#define BP1 0x08
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#define BP0 0x04
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#define WEL 0x02
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#define NO_PROTECTION 0
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#define QUARTER_ARRAY_PROTECTION BP0
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#define HALF_ARRAY_PROTECTION BP1
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#define FULL_ARRAY_PROTECTION (BP1 + BP0)
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/******************************************************************************/
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#define FRAM_WP_OUTPUT() EnableOutput(FRAM_WP_GPIO, FRAM_WP_PINPOS)
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#define SET_FRAM_WP() SET_PIN(FRAM_WP_GPIO, FRAM_WP_PIN)
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#define CLR_FRAM_WP() CLR_PIN(FRAM_WP_GPIO, FRAM_WP_PIN)
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#define EnableFRAMWrite() CLR_FRAM_WP()
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#define DisableFRAMWrite() SET_FRAM_WP()
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#define FRAM_CS_OUTPUT() EnableOutput(FRAM_CS_GPIO, FRAM_CS_PINPOS)
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#define SET_FRAM_CS() SET_PIN(FRAM_CS_GPIO, FRAM_CS_PIN)
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#define CLR_FRAM_CS() CLR_PIN(FRAM_CS_GPIO, FRAM_CS_PIN)
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#define EnableFRAM() CLR_FRAM_WP()
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#define DisableFRAM() SET_FRAM_WP()
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/******************************************************************************/
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void FRAMInit(void);
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void ProtectFRAM(void);
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void UnProtectFRAM(void);
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void WriteByteToFRAM(u16 address, u8 data);
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u8 ReadByteFromFRAM(u16 address);
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void WriteMultiByteToFRAM(u16 address, u8 *pointer, u8 length);
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void ReadMultiByteFromFRAM(u16 address, u8 *pointer, u8 length);
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u8 ReadFRAMDeviceID(void);
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/* File end *****************************************************************/
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#endif
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/****************************************************************************/
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/* .h end *******************************************************************/
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#endif
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/****************************************************************************/
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