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library

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Blame information for rev 6

Line No.	Rev	Author	Line
1	6	kaklik	`/! \file spieeprom.h \brief Interface for standard SPI EEPROM memories. /`
2			`//*****************************************************************************`
3			`//`
4			`// File Name : 'spieeprom.h'`
5			`// Title : Interface for standard SPI EEPROM memories`
6			`// Author : Pascal Stang - Copyright (C) 2004`
7			`// Created : 2004.10.07`
8			`// Revised : 2004.10.07`
9			`// Version : 0.1`
10			`// Target MCU : Atmel AVR series`
11			`// Editor Tabs : 4`
12			`//`
13			`/// \ingroup driver_hw`
14			`/// \defgroup spieeprom Interface for standard SPI EEPROM memories (spieeprom.c)`
15			`/// \code #include "spieeprom.h" \endcode`
16			`/// \par Overview`
17			`/// This library provides functions for reading and writing standard`
18			`/// 25Cxxx/25LCxxx SPI EEPROM memories. Memory sizes up to 64Kbytes are`
19			`/// supported. Future revisions may include page-write support.`
20			`///`
21			`/// \Note Library not fully tested!`
22			`//`
23			`// This code is distributed under the GNU Public License`
24			`// which can be found at http://www.gnu.org/licenses/gpl.txt`
25			`//`
26			`//*****************************************************************************`
27
28			`#ifndef SPIEEPROM_H`
29			`#define SPIEEPROM_H`
30
31			`#include "global.h"`
32
33			`// defines and constants`
34			`// commands`
35			`#define SPIEEPROM_CMD_READ 0x03 ///< Read byte(s)`
36			`#define SPIEEPROM_CMD_WRITE 0x02 ///< Write byte(s)`
37			`#define SPIEEPROM_CMD_WREN 0x06 ///< Write Enable`
38			`#define SPIEEPROM_CMD_WRDI 0x04 ///< Write Disable`
39			`#define SPIEEPROM_CMD_RDSR 0x05 ///< Read Status Register`
40			`#define SPIEEPROM_CMD_WRSR 0x01 ///< Write Status Register`
41
42			`// status register bit defines`
43			`#define SPIEEPROM_STATUS_WIP 0x01 ///< Write in progress`
44			`#define SPIEEPROM_STATUS_WEL 0x01 ///< Write enable`
45			`#define SPIEEPROM_STATUS_BP0 0x01 ///< Block Proection 0`
46			`#define SPIEEPROM_STATUS_BP1 0x01 ///< Block Proection 1`
47			`#define SPIEEPROM_STATUS_WPEN 0x01 ///< Write Protect Enable`
48
49			`// functions`
50
51			`//! Initialize SPI EEPROM interface`
52			`void spieepromInit(void);`
53
54			`//! In the SPI EEPROM read a byte from memory location [memAddr]`
55			`u08 spieepromReadByte(u32 memAddr);`
56
57			`//! In the SPI EEPROM write a byte [data] to the memory location [memAddr]`
58			`void spieepromWriteByte(u32 memAddr, u08 data);`
59
60			`void spieepromWriteEnable(void);`
61			`void spieepromWriteDisable(void);`
62			`u08 spieepromReadStatus(void);`
63
64			`#endif`