api/spibus__avr32_8h_source.html

00001 #ifndef _DEV_SPIBUS_AVR32_H_
00002 #define _DEV_SPIBUS_AVR32_H_
00003 /*
00004  * Copyright (C) 2008-2009 by egnite GmbH
00005  *
00006  * All rights reserved.
00007  *
00008  * Redistribution and use in source and binary forms, with or without
00009  * modification, are permitted provided that the following conditions
00010  * are met:
00011  *
00012  * 1. Redistributions of source code must retain the above copyright
00013  *    notice, this list of conditions and the following disclaimer.
00014  * 2. Redistributions in binary form must reproduce the above copyright
00015  *    notice, this list of conditions and the following disclaimer in the
00016  *    documentation and/or other materials provided with the distribution.
00017  * 3. Neither the name of the copyright holders nor the names of
00018  *    contributors may be used to endorse or promote products derived
00019  *    from this software without specific prior written permission.
00020  *
00021  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
00022  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
00023  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
00024  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
00025  * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
00026  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
00027  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
00028  * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
00029  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
00030  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
00031  * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
00032  * SUCH DAMAGE.
00033  *
00034  * For additional information see http://www.ethernut.de/
00035  */
00036
00046 #include <dev/spibus.h>
00047
00048 typedef struct _AVR32SPIREG AVR32SPIREG;
00049
00050 struct _AVR32SPIREG {
00051         ureg_t mr;
00052         ureg_t csr;
00053 };
00054
00055 extern NUTSPIBUS spiBus0Avr32;
00056 extern NUTSPIBUS spiBus1Avr32;
00057
00058 __BEGIN_DECLS
00059 /* Prototypes */
00060 extern int Avr32Spi0ChipSelect(uint_fast8_t cs, uint_fast8_t hi);
00061 extern void Avr32SpiBus0Interrupt(void *arg);
00062
00063 extern int Avr32Spi1ChipSelect(uint_fast8_t cs, uint_fast8_t hi);
00064 extern void Avr32SpiBus1Interrupt(void *arg);
00065
00066 extern int Avr32SpiSetup(NUTSPINODE * node);
00067 extern int Avr32SpiBusNodeInit(NUTSPINODE * node);
00068 extern int Avr32SpiBusTransfer(NUTSPINODE * node, CONST void *txbuf, void *rxbuf, int xlen);
00069 extern int Avr32SpiBusDblBufTransfer(NUTSPINODE * node, CONST void *txbuf, void *rxbuf, int xlen);
00070 extern int Avr32SpiBusPollTransfer(NUTSPINODE * node, CONST void *txbuf, void *rxbuf, int xlen);
00071 extern int Avr32SpiBusWait(NUTSPINODE * node, uint32_t tmo);
00072 /* Prototypes */
00073 __END_DECLS
00074 #endif