A Atmel RF2xx Radio Library for Mbed
Dependents: xBedRadio MxSniffer
uracolib/MxRadio_trx_rf230_frame.cpp
- Committer:
- fredqian
- Date:
- 2015-04-09
- Revision:
- 0:5f1d66c85ae0
File content as of revision 0:5f1d66c85ae0:
/* Copyright (c) 2007 Axel Wachtler All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. * Neither the name of the authors nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /* * =========================================================================== * This file contains refactored code from hif_rf230.c, * which is part of Atmels software package "IEEE 802.15.4 MAC for AVR Z-Link" * =========================================================================== */ /* * Copyright (c) 2006, Atmel Corporation All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * 3. The name of ATMEL may not be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY ATMEL ``AS IS'' AND ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE EXPRESSLY AND * SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /* $Id$ */ /** * @file * @brief .... * @addtogroup grpApp... */ /* === includes ========================================== */ #include <MxRadio.h> /* === functions ========================================= */ void cMxRadio::trx_frame_write(uint8_t length, uint8_t *data) { // Select transceiver m_cs=0;//SPI_SELN_LOW(); m_spi.write(TRX_CMD_FW);//SPI_DATA_REG = TRX_CMD_FW; //SPI_WAITFOR(); m_spi.write(length);//SPI_DATA_REG = length; do { //SPI_WAITFOR(); m_spi.write(*data++);//SPI_DATA_REG = *data++; } while (--length > 0); //SPI_WAITFOR(); /* wait here until last byte is out otherwise underrun irq */ // Deselect Slave m_cs=1;//SPI_SELN_HIGH(); } uint8_t cMxRadio::trx_frame_read(uint8_t *data, uint8_t datasz, uint8_t *lqi) { uint8_t length = 0; uint8_t i; /* Select transceiver */ m_cs=0;//SPI_SELN_LOW(); /* start frame read */ m_spi.write(TRX_CMD_FR);//SPI_DATA_REG = TRX_CMD_FR; //SPI_WAITFOR(); /* read length */ length= m_spi.write(0);//SPI_DATA_REG = 0; //SPI_WAITFOR(); //length = SPI_DATA_REG; if (length <= datasz) { i = length; do { //SPI_DATA_REG = 0; /* dummy out */ //SPI_WAITFOR(); *data++ = m_spi.write(0);//SPI_DATA_REG; } while(--i); if (lqi!= NULL) { //SPI_DATA_REG = 0; /* dummy out */ //SPI_WAITFOR(); *lqi = m_spi.write(0);//SPI_DATA_REG; } } else { /* we drop the frame */ length = 0x80 | length; } m_cs=1;//SPI_SELN_HIGH(); return length; } /* EOF */