CHIP: LPC17xx/40xx EMC Driver

Detailed Description

The EMC interface clocks must be enabled outside this driver prior to calling any function of this driver with the Chip_Clock_EnablePeripheralClock() function.

Macros
#define	EMC_ADDRESS_DYCS0   (0xA0000000)
#define	EMC_ADDRESS_DYCS1   (0xB0000000)
#define	EMC_ADDRESS_DYCS2   (0xC0000000)
#define	EMC_ADDRESS_DYCS3   (0xD0000000)
#define	EMC_ADDRESS_CS0   (0x80000000)
#define	EMC_ADDRESS_CS1   (0x90000000)
#define	EMC_ADDRESS_CS2   (0x98000000)
#define	EMC_ADDRESS_CS3   (0x9C000000)

Functions
void	Chip_EMC_Dynamic_Init (IP_EMC_DYN_CONFIG_T *Dynamic_Config)
	Dyanmic memory setup.
void	Chip_EMC_Static_Init (IP_EMC_STATIC_CONFIG_T *Static_Config)
	Static memory setup.
STATIC INLINE void	Chip_EMC_Dynamic_Enable (uint8_t Enable)
	Enable Dynamic Memory Controller.
STATIC INLINE void	Chip_EMC_Mirror (uint8_t Enable)
	Mirror CS1 to CS0 and DYCS0.
STATIC INLINE void	Chip_EMC_Enable (uint8_t Enable)
	Enable EMC.
STATIC INLINE void	Chip_EMC_LowPowerMode (uint8_t Enable)
	Set EMC LowPower Mode.
STATIC INLINE void	Chip_EMC_Init (uint32_t Enable, uint32_t ClockRatio, uint32_t EndianMode)
	Initialize EMC.
STATIC INLINE void	Chip_EMC_SetStaticExtendedWait (uint32_t Wait16Clks)
	Set Static Memory Extended Wait in Clock.

Macro Definition Documentation

#define EMC_ADDRESS_CS0   (0x80000000)

Static Chip Select Address

Definition at line 58 of file emc_17xx_40xx.h.

#define EMC_ADDRESS_CS1   (0x90000000)

Definition at line 59 of file emc_17xx_40xx.h.

#define EMC_ADDRESS_CS2   (0x98000000)

Definition at line 60 of file emc_17xx_40xx.h.

#define EMC_ADDRESS_CS3   (0x9C000000)

Definition at line 61 of file emc_17xx_40xx.h.

#define EMC_ADDRESS_DYCS0   (0xA0000000)

Dynamic Chip Select Address

Definition at line 50 of file emc_17xx_40xx.h.

#define EMC_ADDRESS_DYCS1   (0xB0000000)

Definition at line 51 of file emc_17xx_40xx.h.

#define EMC_ADDRESS_DYCS2   (0xC0000000)

Definition at line 52 of file emc_17xx_40xx.h.

#define EMC_ADDRESS_DYCS3   (0xD0000000)

Definition at line 53 of file emc_17xx_40xx.h.

Function Documentation

STATIC INLINE void Chip_EMC_Dynamic_Enable

(

uint8_t

Enable

)

Enable Dynamic Memory Controller.

Parameters

Enable

: 1 = Enable Dynamic Memory Controller, 0 = Disable

Returns

None

Definition at line 82 of file emc_17xx_40xx.h.

void Chip_EMC_Dynamic_Init

(

IP_EMC_DYN_CONFIG_T *

Dynamic_Config

)

Dyanmic memory setup.

Parameters

Dynamic_Config

: Pointer to dynamic memory setup data

Returns

None

Definition at line 53 of file emc_17xx_40xx.c.

STATIC INLINE void Chip_EMC_Enable

(

uint8_t

Enable

)

Enable EMC.

Parameters

Enable

: 1 = Enable, 0 = Disable

Returns

None

Definition at line 102 of file emc_17xx_40xx.h.

STATIC INLINE void Chip_EMC_Init	(	uint32_t	Enable,
		uint32_t	ClockRatio,
		uint32_t	EndianMode
	)

Initialize EMC.

Parameters

Enable	: 1 = Enable, 0 = Disable
ClockRatio	: clock out ratio, 0 = 1:1, 1 = 1:2
EndianMode	: Endian Mode, 0 = Little, 1 = Big

Returns

None

Definition at line 126 of file emc_17xx_40xx.h.

STATIC INLINE void Chip_EMC_LowPowerMode

(

uint8_t

Enable

)

Set EMC LowPower Mode.

Parameters

Enable

: 1 = Enable, 0 = Disable

Returns

None

Note

This function should only be called when the memory controller is not busy (bit 0 of the status register is not set).

Definition at line 114 of file emc_17xx_40xx.h.

STATIC INLINE void Chip_EMC_Mirror

(

uint8_t

Enable

)

Mirror CS1 to CS0 and DYCS0.

Parameters

Enable

: 1 = Mirror, 0 = Normal Memory Map

Returns

None

Definition at line 92 of file emc_17xx_40xx.h.

STATIC INLINE void Chip_EMC_SetStaticExtendedWait

(

uint32_t

Wait16Clks

)

Set Static Memory Extended Wait in Clock.

Parameters

Wait16Clks

: Number of '16 clock' delay cycles

Returns

None

Definition at line 136 of file emc_17xx_40xx.h.

void Chip_EMC_Static_Init

(

IP_EMC_STATIC_CONFIG_T *

Static_Config

)

Static memory setup.

Parameters

Static_Config

: Pointer to static memory setup data

Returns

None

Definition at line 64 of file emc_17xx_40xx.c.