flash_drv.h File Reference

#include "config.h"

Include dependency graph for flash_drv.h:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

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)


Detailed Description

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

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

Definition in file flash_drv.h.


Define Documentation

 
#define Flash_read_id1 (  )     ( flash_read_sig(0x0000))

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

Definition at line 58 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 59 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 60 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 61 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 62 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 63 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 68 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 69 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 70 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 71 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 76 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 77 of file flash_drv.h.

#define FUSE_BOOTRST_bp   0

Definition at line 83 of file flash_drv.h.

#define FUSE_BOOTSZ0_bp   1

Definition at line 84 of file flash_drv.h.

#define FUSE_BOOTSZ1_bp   2

Definition at line 85 of file flash_drv.h.

#define FUSE_EESAVE_bp   3

Definition at line 86 of file flash_drv.h.

#define FUSE_WDTON_bp   4

Definition at line 87 of file flash_drv.h.

#define FUSE_SPIEN_bp   5

Definition at line 88 of file flash_drv.h.

#define FUSE_JTAGEN_bp   6

Definition at line 89 of file flash_drv.h.

#define FUSE_OCDEN_bp   7

Definition at line 90 of file flash_drv.h.


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


Generated on Wed Sep 23 09:17:08 2009 for ATMEL by  doxygen 1.5.3