flash_drv.h File Reference

#include "config.h"

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Defines
These macros allow to read a specific device ID of the product.
#define	Flash_read_id1()   ( flash_read_sig(0x0000))
	This macro function allows to read device ID1 of the product.
#define	Flash_read_id2()   ( flash_read_sig(0x0002))
	This macro function allows to read device ID2 of the product.
#define	Flash_read_id3()   ( flash_read_sig(0x0004))
	This macro function allows to read device ID3 of the product.
#define	Flash_read_osccal()   ( flash_read_sig(0x0001))
	This macro function allows to read the OSCAL byte of the product.
#define	Flash_read_sn(pos)   ( flash_read_sig((0x07*2)+pos))
	This macro function allows to read the serial number of the product.
#define	SN_LENGTH   10
	Size of the serial number containt in product.
These macros allow to read a specific fuse of the product.
#define	Flash_read_fuse_low()   ( flash_read_fuse(0x0000))
#define	Flash_read_fuse_high()   ( flash_read_fuse(0x0003))
#define	Flash_read_fuse_extended()   ( flash_read_fuse(0x0002))
#define	Flash_read_lock()   ( flash_read_fuse(0x0001))
These macros allow to check bits from extended fuse of the product.
#define	Is_OCD_enable()   (0==(Flash_read_fuse_high()&(1<<FUSE_OCDEN_bp)))
#define	Is_JTAG_enable()   (0==(Flash_read_fuse_high()&(1<<FUSE_JTAGEN_bp)))
High Fuse Byte
#define	FUSE_BOOTRST_bp   0
#define	FUSE_BOOTSZ0_bp   1
#define	FUSE_BOOTSZ1_bp   2
#define	FUSE_EESAVE_bp   3
#define	FUSE_WDTON_bp   4
#define	FUSE_SPIEN_bp   5
#define	FUSE_JTAGEN_bp   6
#define	FUSE_OCDEN_bp   7
Functions
U8	flash_read_sig (unsigned long adr)
U8	flash_read_fuse (unsigned long adr)

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Detailed Description

Driver routines to read (no write) datas stored in AVRMega flash These routines can be stored and executed in all flash space.

• Compiler: IAR EWAVR and GNU GCC for AVR
• Supported devices: All AVRMega devices

Author:

Atmel Corporation: http://www.atmel.com
Support and FAQ: http://support.atmel.no/

Definition in file flash_drv.h.

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Define Documentation

 

#define Flash_read_id1

(

)

( flash_read_sig(0x0000))

This macro function allows to read device ID1 of the product.

Definition at line 55 of file flash_drv.h.

 

#define Flash_read_id2

(

)

( flash_read_sig(0x0002))

This macro function allows to read device ID2 of the product.

Definition at line 56 of file flash_drv.h.

 

#define Flash_read_id3

(

)

( flash_read_sig(0x0004))

This macro function allows to read device ID3 of the product.

Definition at line 57 of file flash_drv.h.

 

#define Flash_read_osccal

(

)

( flash_read_sig(0x0001))

This macro function allows to read the OSCAL byte of the product.

Definition at line 58 of file flash_drv.h.

#define Flash_read_sn

(

pos

)

( flash_read_sig((0x07*2)+pos))

This macro function allows to read the serial number of the product.

Definition at line 59 of file flash_drv.h.

Referenced by usb_get_descriptor().

#define SN_LENGTH   10

Size of the serial number containt in product.

Definition at line 60 of file flash_drv.h.

Referenced by usb_user_get_descriptor().

 

#define Flash_read_fuse_low

(

)

( flash_read_fuse(0x0000))

This macro function allows to read the low fuse byte of the product.

Definition at line 65 of file flash_drv.h.

 

#define Flash_read_fuse_high

(

)

( flash_read_fuse(0x0003))

This macro function allows to read device high fuse byte of the product.

Definition at line 66 of file flash_drv.h.

 

#define Flash_read_fuse_extended

(

)

( flash_read_fuse(0x0002))

This macro function allows to read extended fuse byte of the product.

Definition at line 67 of file flash_drv.h.

 

#define Flash_read_lock

(

)

( flash_read_fuse(0x0001))

This macro function allows to read lock byte of the product.

Definition at line 68 of file flash_drv.h.

 

#define Is_OCD_enable

(

)

(0==(Flash_read_fuse_high()&(1<<FUSE_OCDEN_bp)))

Check if the OCD is running

Definition at line 73 of file flash_drv.h.

 

#define Is_JTAG_enable

(

)

(0==(Flash_read_fuse_high()&(1<<FUSE_JTAGEN_bp)))

Check if the JTAG interface is enabled

Definition at line 74 of file flash_drv.h.

#define FUSE_BOOTRST_bp   0

Definition at line 80 of file flash_drv.h.

#define FUSE_BOOTSZ0_bp   1

Definition at line 81 of file flash_drv.h.

#define FUSE_BOOTSZ1_bp   2

Definition at line 82 of file flash_drv.h.

#define FUSE_EESAVE_bp   3

Definition at line 83 of file flash_drv.h.

#define FUSE_WDTON_bp   4

Definition at line 84 of file flash_drv.h.

#define FUSE_SPIEN_bp   5

Definition at line 85 of file flash_drv.h.

#define FUSE_JTAGEN_bp   6

Definition at line 86 of file flash_drv.h.

#define FUSE_OCDEN_bp   7

Definition at line 87 of file flash_drv.h.

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Function Documentation

U8 flash_read_sig

(

unsigned long

adr

)

This macro function allows to read device IDs of the product.

Parameters:

add

Address of device ID to read.

Returns:

byte Read value

U8 flash_read_fuse

(

unsigned long

adr

)

This macro function allows to read a fuse byte of the product.

Parameters:

add

Address of fuse to read.

Returns:

byte Read value

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