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library

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Blame information for rev 6

Line No.	Rev	Author	Line
1	6	kaklik	`/! \file spi.h \brief SPI interface driver. /`
2			`//*****************************************************************************`
3			`//`
4			`// File Name : 'spi.h'`
5			`// Title : SPI interface driver`
6			`// Author : Pascal Stang - Copyright (C) 2000-2002`
7			`// Created : 11/22/2000`
8			`// Revised : 06/06/2002`
9			`// Version : 0.6`
10			`// Target MCU : Atmel AVR series`
11			`// Editor Tabs : 4`
12			`//`
13			`// NOTE: This code is currently below version 1.0, and therefore is considered`
14			`// to be lacking in some functionality or documentation, or may not be fully`
15			`// tested. Nonetheless, you can expect most functions to work.`
16			`//`
17			`/// \ingroup driver_avr`
18			`/// \defgroup spi SPI (Serial Peripheral Interface) Function Library (spi.c)`
19			`/// \code #include "spi.h" \endcode`
20			`/// \par Overview`
21			`/// Provides basic byte and word transmitting and receiving via the AVR`
22			`/// SPI interface. Due to the nature of SPI, every SPI communication operation`
23			`/// is both a transmit and simultaneous receive.`
24			`///`
25			`/// \note Currently, only MASTER mode is supported.`
26			`//`
27			`// This code is distributed under the GNU Public License`
28			`// which can be found at http://www.gnu.org/licenses/gpl.txt`
29			`//`
30			`//*****************************************************************************`
31
32			`#ifndef SPI_H`
33			`#define SPI_H`
34
35			`#include "global.h"`
36
37			`// function prototypes`
38
39			`// SPI interface initializer`
40			`void spiInit(void);`
41
42			`// spiSendByte(u08 data) waits until the SPI interface is ready`
43			`// and then sends a single byte over the SPI port. This command`
44			`// does not receive anything.`
45			`void spiSendByte(u08 data);`
46
47			`// spiTransferByte(u08 data) waits until the SPI interface is ready`
48			`// and then sends a single byte over the SPI port. The function also`
49			`// returns the byte that was received during transmission.`
50			`u08 spiTransferByte(u08 data);`
51
52			`// spiTransferWord(u08 data) works just like spiTransferByte but`
53			`// operates on a whole word (16-bits of data).`
54			`u16 spiTransferWord(u16 data);`
55
56			`#endif`