MxRadio_trx_rf230.cpp

00001 /* Copyright (c) 2007 Axel Wachtler
00002    All rights reserved.
00003 
00004    Redistribution and use in source and binary forms, with or without
00005    modification, are permitted provided that the following conditions
00006    are met:
00007 
00008  * Redistributions of source code must retain the above copyright
00009      notice, this list of conditions and the following disclaimer.
00010  * Redistributions in binary form must reproduce the above copyright
00011      notice, this list of conditions and the following disclaimer in the
00012      documentation and/or other materials provided with the distribution.
00013  * Neither the name of the authors nor the names of its contributors
00014      may be used to endorse or promote products derived from this software
00015      without specific prior written permission.
00016 
00017    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
00018    AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00019    IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00020    ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
00021    LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
00022    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
00023    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
00024    INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
00025    CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
00026    ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
00027    POSSIBILITY OF SUCH DAMAGE. */
00028 
00029 /*
00030  * ===========================================================================
00031  * This file contains refactored code from hif_rf230.c,
00032  * which is part of Atmels software package "IEEE 802.15.4 MAC for AVR Z-Link"
00033  * ===========================================================================
00034  */
00035 /*
00036  * Copyright (c) 2006, Atmel Corporation All rights reserved.
00037  *
00038  * Redistribution and use in source and binary forms, with or without
00039  * modification, are permitted provided that the following conditions are met:
00040  *
00041  * 1. Redistributions of source code must retain the above copyright notice,
00042  * this list of conditions and the following disclaimer.
00043  *
00044  * 2. Redistributions in binary form must reproduce the above copyright notice,
00045  * this list of conditions and the following disclaimer in the documentation
00046  * and/or other materials provided with the distribution.
00047  *
00048  * 3. The name of ATMEL may not be used to endorse or promote products derived
00049  * from this software without specific prior written permission.
00050  *
00051  * THIS SOFTWARE IS PROVIDED BY ATMEL ``AS IS'' AND ANY EXPRESS OR IMPLIED
00052  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
00053  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE EXPRESSLY AND
00054  * SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT,
00055  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
00056  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
00057  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
00058  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
00059  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
00060  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00061  */
00062 
00063 /* $Id$ */
00064 /**
00065  * @file
00066  * @brief Implementation of the host interface for the AT86RF230
00067  *
00068  * Hardware interface implementation for radio-dependant functions of
00069  * the AT86RF230 radio chip.
00070  *
00071  */
00072 
00073 /* === Includes ============================================================ */
00074 #include <MxRadio.h>
00075 
00076 
00077 /* === external functions =================================================== */
00078 void cMxRadio::trx_io_init (int spirate)
00079 {
00080     m_cs = 1;
00081     m_spi.format(8, 0);
00082     m_spi.frequency(spirate);
00083     irq_pin.rise(this,&cMxRadio::rf_irq_callback);
00084 
00085     /* set the SLPTR and RESET
00086     TRX_RESET_INIT();
00087     TRX_SLPTR_INIT();
00088     SPI_INIT(spirate);
00089     TRX_IRQ_INIT();
00090     EI_TRX_IRQ();
00091     */
00092 }
00093 
00094 void cMxRadio::trx_reg_write(uint8_t addr, trx_regval_t val)
00095 {
00096 
00097     addr = TRX_CMD_RW | (TRX_CMD_RADDR_MASK & addr);
00098 
00099     m_cs = 0;//SPI_SELN_LOW();
00100     m_spi.write(addr);//SPI_DATA_REG = addr;
00101     //SPI_WAITFOR();
00102     m_spi.write(val);//SPI_DATA_REG = val;
00103     //SPI_WAITFOR();
00104     m_cs = 1;//SPI_SELN_HIGH();
00105 }
00106 
00107 trx_regval_t cMxRadio::trx_reg_read(uint8_t addr)
00108 {
00109 
00110     uint8_t val;
00111 
00112     addr=TRX_CMD_RR | (TRX_CMD_RADDR_MASK & addr);
00113 
00114     // Select transceiver
00115     m_cs = 0;//SPI_SELN_LOW();
00116 
00117     m_spi.write(addr);//SPI_DATA_REG = addr;
00118     //SPI_WAITFOR();
00119     val=m_spi.write(addr);//SPI_DATA_REG = addr;        /* dummy out */
00120     //SPI_WAITFOR();
00121     //val = SPI_DATA_REG;
00122 
00123     m_cs=1;//SPI_SELN_HIGH();
00124 
00125     return (trx_regval_t)val;
00126 }
00127 
00128 
00129 /* EOF */