Embedded Flash Controller (EFC) driver for SAM. More...

#include "../chip.h"

Macros
#define	CHIP_FLASH_IAP_ADDRESS (IROM_ADDR + 8)

EFC command
#define	EFC_FCMD_GETD 0x00
	Get Flash Descriptor.

#define	EFC_FCMD_WP 0x01
	Write page.

#define	EFC_FCMD_WPL 0x02
	Write page and lock.

#define	EFC_FCMD_EWP 0x03
	Erase page and write page.

#define	EFC_FCMD_EWPL 0x04
	Erase page and write page then lock.

#define	EFC_FCMD_EA 0x05
	Erase all.

#define	EFC_FCMD_SLB 0x08
	Set Lock Bit.

#define	EFC_FCMD_CLB 0x09
	Clear Lock Bit.

#define	EFC_FCMD_GLB 0x0A
	Get Lock Bit.

#define	EFC_FCMD_SGPB 0x0B
	Set GPNVM Bit.

#define	EFC_FCMD_CGPB 0x0C
	Clear GPNVM Bit.

#define	EFC_FCMD_GGPB 0x0D
	Get GPNVM Bit.

#define	EFC_FCMD_STUI 0x0E
	Start unique ID.

#define	EFC_FCMD_SPUI 0x0F
	Stop unique ID.

EFC access mode
#define	EFC_ACCESS_MODE_128 0

#define	EFC_ACCESS_MODE_64 EEFC_FMR_FAM

Functions
uint32_t	efc_init (Efc *p_efc, uint32_t ul_access_mode, uint32_t ul_fws)
	Initialize the EFC controller. More...

void	efc_enable_frdy_interrupt (Efc *p_efc)
	Enable the flash ready interrupt. More...

void	efc_disable_frdy_interrupt (Efc *p_efc)
	Disable the flash ready interrupt. More...

void	efc_set_flash_access_mode (Efc *p_efc, uint32_t ul_mode)
	Set flash access mode. More...

uint32_t	efc_get_flash_access_mode (Efc *p_efc)
	Get flash access mode. More...

void	efc_set_wait_state (Efc *p_efc, uint32_t ul_fws)
	Set flash wait state. More...

uint32_t	efc_get_wait_state (Efc *p_efc)
	Get flash wait state. More...

uint32_t	efc_perform_command (Efc *p_efc, uint32_t ul_command, uint32_t ul_argument)
	Perform the given command and wait until its completion (or an error). More...

uint32_t	efc_get_status (Efc *p_efc)
	Get the current status of the EEFC. More...

uint32_t	efc_get_result (Efc *p_efc)
	Get the result of the last executed command. More...

uint32_t	efc_perform_read_sequence (Efc p_efc, uint32_t ul_cmd_st, uint32_t ul_cmd_sp, uint32_t p_ul_buf, uint32_t ul_size)

EFC return codes
enum	efc_rc { EFC_RC_OK = 0, EFC_RC_YES = 0, EFC_RC_NO = 1, EFC_RC_ERROR = 1, EFC_RC_INVALID, EFC_RC_NOT_SUPPORT = 0xFFFFFFFF }

typedef enum efc_rc	efc_rc_t

Detailed Description

Embedded Flash Controller (EFC) driver for SAM.

Macro Definition Documentation

#define CHIP_FLASH_IAP_ADDRESS (IROM_ADDR + 8)

The IAP function entry address