174d4dd80c
This example platform for this port is the EVAL-ADF7XXXMB4Z w/ radio
daughter cards:
http://www.analog.com/en/evaluation/eval-adf7023/eb.html
See the platform readme for usage and platform information:
https://github.com/contiki-os/contiki/tree/master/platform/eval-adf7xxxmb4z/readme.md
All files provided by Analog Devices for this port are released under
the same license as Contiki and copyright Analog Devices Inc. per
agreement between Redwire Consulting, LLC and Analog Devices Inc. (SOW 08122013)
161 lines
4.5 KiB
C
161 lines
4.5 KiB
C
/*
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* Copyright (c) 2014, Analog Devices, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/**
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* \author Ian Martin <martini@redwirellc.com>
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*/
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#include <string.h> /* for memcpy(). */
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#include "radio.h"
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#include "ADF7023.h"
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#include "adf7023-contiki.h"
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#include "contiki.h" /* for LED definitions. */
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#define ADF7023_MAX_PACKET_SIZE 255
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static unsigned char tx_buf[ADF7023_MAX_PACKET_SIZE];
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static unsigned char rx_buf[ADF7023_MAX_PACKET_SIZE];
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const struct radio_driver adf7023_driver = {
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.init = adf7023_init,
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/** Prepare the radio with a packet to be sent. */
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.prepare = adf7023_prepare,
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/** Send the packet that has previously been prepared. */
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.transmit = adf7023_transmit,
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/** Prepare & transmit a packet. */
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.send = adf7023_send,
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/** Read a received packet into a buffer. */
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.read = adf7023_read,
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/** Perform a Clear-Channel Assessment (CCA) to find out if there is
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a packet in the air or not. */
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.channel_clear = adf7023_channel_clear,
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/** Check if the radio driver is currently receiving a packet */
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.receiving_packet = adf7023_receiving_packet,
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/** Check if the radio driver has just received a packet */
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.pending_packet = adf7023_pending_packet,
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/** Turn the radio on. */
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.on = adf7023_on,
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/** Turn the radio off. */
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.off = adf7023_off,
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};
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int
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adf7023_init(void)
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{
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ADF7023_Init();
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return 1;
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}
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int
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adf7023_prepare(const void *payload, unsigned short payload_len)
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{
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/* Prepare the radio with a packet to be sent. */
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memcpy(tx_buf, payload, (payload_len <= sizeof(tx_buf)) ? payload_len : sizeof(tx_buf));
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return 0;
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}
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int
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adf7023_transmit(unsigned short transmit_len)
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{
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/* Send the packet that has previously been prepared. */
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RADIO_TX_LED = 1;
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ADF7023_TransmitPacket(tx_buf, transmit_len);
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RADIO_TX_LED = 0;
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/* TODO: Error conditions (RADIO_TX_ERR, RADIO_TX_COLLISION, RADIO_TX_NOACK)? */
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return RADIO_TX_OK;
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}
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int
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adf7023_send(const void *payload, unsigned short payload_len)
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{
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/* Prepare & transmit a packet. */
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RADIO_TX_LED = 1;
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ADF7023_TransmitPacket((void *)payload, payload_len);
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RADIO_TX_LED = 0;
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/* TODO: Error conditions (RADIO_TX_ERR, RADIO_TX_COLLISION, RADIO_TX_NOACK)? */
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return RADIO_TX_OK;
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}
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int
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adf7023_read(void *buf, unsigned short buf_len)
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{
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unsigned char num_bytes;
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/* Read a received packet into a buffer. */
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RADIO_RX_LED = 1;
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ADF7023_ReceivePacket(rx_buf, &num_bytes);
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RADIO_RX_LED = 0;
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memcpy(buf, rx_buf, (num_bytes <= buf_len) ? num_bytes : buf_len);
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return num_bytes;
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}
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int
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adf7023_channel_clear(void)
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{
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/* Perform a Clear-Channel Assessment (CCA) to find out if there is a packet in the air or not. */
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return 1;
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}
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int
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adf7023_receiving_packet(void)
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{
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/* Check if the radio driver is currently receiving a packet. */
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return 0;
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}
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int
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adf7023_pending_packet(void)
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{
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/* Check if the radio driver has just received a packet. */
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return ADF7023_ReceivePacketAvailable();
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}
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int
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adf7023_on(void)
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{
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/* Turn the radio on. */
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return 1;
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}
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int
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adf7023_off(void)
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{
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/* Turn the radio off. */
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return 0;
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}
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