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1 | /**************************************************************************** |
2 | * Genesis Plus |
3 | * SPI Serial EEPROM (25XX512 only) support |
4 | * |
5 | * Copyright (C) 2012 Eke-Eke (Genesis Plus GX) |
6 | * |
7 | * Redistribution and use of this code or any derivative works are permitted |
8 | * provided that the following conditions are met: |
9 | * |
10 | * - Redistributions may not be sold, nor may they be used in a commercial |
11 | * product or activity. |
12 | * |
13 | * - Redistributions that are modified from the original source must include the |
14 | * complete source code, including the source code for all components used by a |
15 | * binary built from the modified sources. However, as a special exception, the |
16 | * source code distributed need not include anything that is normally distributed |
17 | * (in either source or binary form) with the major components (compiler, kernel, |
18 | * and so on) of the operating system on which the executable runs, unless that |
19 | * component itself accompanies the executable. |
20 | * |
21 | * - Redistributions must reproduce the above copyright notice, this list of |
22 | * conditions and the following disclaimer in the documentation and/or other |
23 | * materials provided with the distribution. |
24 | * |
25 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
26 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
27 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
28 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
29 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
30 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
31 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
32 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
33 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
34 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
35 | * POSSIBILITY OF SUCH DAMAGE. |
36 | * |
37 | ****************************************************************************************/ |
38 | |
39 | #ifndef _EEPROM_SPI_H_ |
40 | #define _EEPROM_SPI_H_ |
41 | |
42 | /* Function prototypes */ |
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43 | extern void *eeprom_spi_init(int *size); |
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44 | extern void eeprom_spi_write(unsigned char data); |
45 | extern unsigned int eeprom_spi_read(unsigned int address); |
46 | |
47 | #endif |