flash_drv.h

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00001 /*This file is prepared for Doxygen automatic documentation generation.*/
00014 
00015 /* Copyright (c) 2009 Atmel Corporation. All rights reserved.
00016  *
00017  * Redistribution and use in source and binary forms, with or without
00018  * modification, are permitted provided that the following conditions are met:
00019  *
00020  * 1. Redistributions of source code must retain the above copyright notice,
00021  * this list of conditions and the following disclaimer.
00022  *
00023  * 2. Redistributions in binary form must reproduce the above copyright notice,
00024  * this list of conditions and the following disclaimer in the documentation
00025  * and/or other materials provided with the distribution.
00026  *
00027  * 3. The name of Atmel may not be used to endorse or promote products derived
00028  * from this software without specific prior written permission.
00029  *
00030  * 4. This software may only be redistributed and used in connection with an Atmel
00031  * AVR product.
00032  *
00033  * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
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00044 
00045 
00046 #ifndef FLASH_DRV_H
00047 #define FLASH_DRV_H
00048 
00049 //_____ I N C L U D E S ______________________________________________________
00050 
00051 #include "config.h"
00052 
00053 
00054 //_____ M A C R O S ________________________________________________________
00055 
00058 #define Flash_read_id1()            ( flash_read_sig(0x0000))  
00059 #define Flash_read_id2()            ( flash_read_sig(0x0002))  
00060 #define Flash_read_id3()            ( flash_read_sig(0x0004))  
00061 #define Flash_read_osccal()         ( flash_read_sig(0x0001))  
00062 #define Flash_read_sn(pos)          ( flash_read_sig((0x07*2)+pos))
00063 #define SN_LENGTH                   10                         
00064 
00065 
00068 #define Flash_read_fuse_low()       ( flash_read_fuse(0x0000)) 
00069 #define Flash_read_fuse_high()      ( flash_read_fuse(0x0003)) 
00070 #define Flash_read_fuse_extended()  ( flash_read_fuse(0x0002)) 
00071 #define Flash_read_lock()           ( flash_read_fuse(0x0001)) 
00072 
00073 
00076 #define Is_OCD_enable()             (0==(Flash_read_fuse_high()&(1<<FUSE_OCDEN_bp)))  
00077 #define Is_JTAG_enable()            (0==(Flash_read_fuse_high()&(1<<FUSE_JTAGEN_bp))) 
00078 
00079 
00080 
00083 #define FUSE_BOOTRST_bp    0  // Select Reset Vector
00084 #define FUSE_BOOTSZ0_bp    1  // Select Boot Size
00085 #define FUSE_BOOTSZ1_bp    2  // Select Boot Size
00086 #define FUSE_EESAVE_bp     3  // EEPROM memory is preserved through chip erase
00087 #define FUSE_WDTON_bp      4  // Watchdog timer always on
00088 #define FUSE_SPIEN_bp      5  // Enable Serial programming and Data Downloading
00089 #define FUSE_JTAGEN_bp     6  // Enable JTAG
00090 #define FUSE_OCDEN_bp      7  // Enable OCD
00092 
00093 
00094 //_____ D E C L A R A T I O N S ____________________________________________
00095 
00102 U8    flash_read_sig(unsigned long adr);
00103 
00110 U8    flash_read_fuse(unsigned long adr);
00111 
00112 
00113 #endif  // FLASH_DRV_H
00114 
00115 
00116 

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