repo2/firmware_legacy/sd_direct/spi.h @ 1476
| 46 | markw | /*! \file spi.h \brief SPI interface driver. */
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//*****************************************************************************
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//
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// File Name : 'spi.h'
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// Title : SPI interface driver
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// Author : Pascal Stang - Copyright (C) 2000-2002
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// Created : 11/22/2000
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// Revised : 06/06/2002
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// Version : 0.6
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// Target MCU : Atmel AVR series
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// Editor Tabs : 4
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//
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// NOTE: This code is currently below version 1.0, and therefore is considered
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// to be lacking in some functionality or documentation, or may not be fully
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// tested. Nonetheless, you can expect most functions to work.
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//
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/// \ingroup driver_avr
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/// \defgroup spi SPI (Serial Peripheral Interface) Function Library (spi.c)
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/// \code #include "spi.h" \endcode
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/// \par Overview
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/// Provides basic byte and word transmitting and receiving via the AVR
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/// SPI interface.? Due to the nature of SPI, every SPI communication operation
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/// is both a transmit and simultaneous receive.
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///
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/// \note Currently, only MASTER mode is supported.
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//
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// ----------------------------------------------------------------------------
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// 17.8.2008
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// Bob!k & Raster, C.P.U.
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// Original code was modified especially for the SDrive device.
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// Some parts of code have been added, removed, rewrited or optimized due to
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// lack of MCU AVR Atmega8 memory.
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// ----------------------------------------------------------------------------
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//
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// This code is distributed under the GNU Public License
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// which can be found at http://www.gnu.org/licenses/gpl.txt
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//
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//*****************************************************************************
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#ifndef SPI_H
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#define SPI_H
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#include "integer.h"
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// function prototypes
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| 864 | markw | void mmcChipSelect();
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void mmcChipDeselect();
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void flashChipSelect();
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void flashChipDeselect();
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| 46 | markw | ||
void set_spi_clock_freq();
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// SPI interface initializer
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void spiInit(void);
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// spiTransferByte(u08 data) waits until the SPI interface is ready
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// and then sends a single byte over the SPI port. The function also
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// returns the byte that was received during transmission.
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u08 spiTransferByte(u08 data);
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// spiTransferWord(u08 data) works just like spiTransferByte but
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// operates on a whole word (16-bits of data).
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u08 spiTransferFF();
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void spiTransferTwoFF();
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void spiDisplay(int i);
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| 63 | markw | void spiReceiveData(u08 * from, u08 * to);
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| 46 | markw | #endif
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