sram.h File Reference

SRAM (Static RAM used for save backup) support. More...

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Defines
#define	SRAM_CONTROL   0xA130F1
#define	SRAM_BASE   0x200001
Functions
void	SRAM_enable ()
	Enable SRAM in Read Write mode.
void	SRAM_enableRO ()
	Enable SRAM in Read Only mode.
void	SRAM_disable ()
	Disable SRAM.
u8	SRAM_readByte (u32 offset)
	Read a byte from the SRAM.
u16	SRAM_readWord (u32 offset)
	Read a word from the SRAM.
u32	SRAM_readLong (u32 offset)
	Read a long from the SRAM.
void	SRAM_writeByte (u32 offset, u8 val)
	Write a byte to the SRAM.
void	SRAM_writeWord (u32 offset, u16 val)
	Write a word to the SRAM.
void	SRAM_writeLong (u32 offset, u32 val)
	Write a long to the SRAM.

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Detailed Description

SRAM (Static RAM used for save backup) support.

Author:

Chilly Willy & Stephane Dallongeville

Date:

08/2012

This unit provides methods to read from or write to SRAM.

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Function Documentation

u8 SRAM_readByte

(

u32

offset

)

Read a byte from the SRAM.

Parameters:

offset

Offset where we want to read.

Returns:

value.

u32 SRAM_readLong

(

u32

offset

)

Read a long from the SRAM.

Parameters:

offset

Offset where we want to read.

Returns:

value.

u16 SRAM_readWord

(

u32

offset

)

Read a word from the SRAM.

Parameters:

offset

Offset where we want to read.

Returns:

value.

void SRAM_writeByte	(	u32	offset,
		u8	val
	)

Write a byte to the SRAM.

Parameters:

offset	Offset where we want to write.
val	Value wto write.

void SRAM_writeLong	(	u32	offset,
		u32	val
	)

Write a long to the SRAM.

Parameters:

offset	Offset where we want to write.
val	Value wto write.

void SRAM_writeWord	(	u32	offset,
		u16	val
	)

Write a word to the SRAM.

Parameters:

offset	Offset where we want to write.
val	Value wto write.