Moved old CC2420 driver to the backyard
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adamdunkels
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8f6d2d6c3f
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39abed8672
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@ -28,7 +28,7 @@
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*
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* This file is part of the Contiki operating system.
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*
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* @(#)$Id: cc2420.c,v 1.21 2007/07/30 14:54:49 bg- Exp $
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* @(#)$Id: cc2420.c,v 1.1 2008/02/24 22:29:08 adamdunkels Exp $
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*/
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/*
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* This code is almost device independent and should be easy to port.
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144
backyard/core/dev/cc2420.h
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144
backyard/core/dev/cc2420.h
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@ -0,0 +1,144 @@
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/*
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* Copyright (c) 2005, Swedish Institute of Computer Science
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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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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR 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, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This file is part of the Contiki operating system.
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*
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* @(#)$Id: cc2420.h,v 1.1 2008/02/24 22:29:08 adamdunkels Exp $
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*/
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#ifndef CC2420_H
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#define CC2420_H
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#define MAX_PACKET_LEN 127
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#define ACK_PACKET_LEN 5
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/* fc0 */
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#define FC0_TYPE_MASK 0x07 /* bit0-2 */
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#define FC0_TYPE_BEACON 0x00 /* bit0-2 */
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#define FC0_TYPE_DATA 0x01 /* bit0-2 */
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#define FC0_TYPE_ACK 0x02 /* bit0-2 */
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#define FC0_TYPE_MAC_CMD 0x03 /* bit0-2 */
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/* reserved 0x04-0x07 */
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#define FC0_SECURE 0x08 /* bit3 */
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#define FC0_PENDING 0x10 /* bit4 */
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#define FC0_REQ_ACK 0x20 /* bit5 */
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#define FC0_INTRA_PAN 0x40 /* bit6 */
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/* reserved 0x80 bit7 */
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/* fc1 */
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/* reserved 0x80 bit8-9 */
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#define FC1_DST_MASK 0x0c /* bit10-11 */
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#define FC1_DST_0 0x00 /* bit10-11 */
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#define FC1_DST_16 0x08 /* bit10-11 */
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#define FC1_DST_64 0x0c /* bit10-11 */
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/* reserved 0x80 bit12-13 */
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#define FC1_SRC_MASK 0xc0 /* bit14-15 */
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#define FC1_SRC_0 0x00 /* bit14-15 */
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#define FC1_SRC_16 0x80 /* bit14-15 */
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#define FC1_SRC_64 0xc0 /* bit14-15 */
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/* footer[0] == RSSI, footer[1] == ... */
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#define FOOTER1_CRC_OK 0x80
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#define FOOTER1_CORRELATION 0x7f
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/* The hdr_802_15::len byte does not count!!! */
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#define MAC_HDR_LEN (2 + 1 + 2 + 2 + 2)
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struct hdr_802_15 {
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u8_t len; /* Not part of MAC header!!! */
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u8_t fc0;
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u8_t fc1;
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u8_t seq;
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u16_t dst_pan; /* also u8_t ack_footer[2] */
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u16_t dst;
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/* optional src_pan */
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u16_t src;
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/* u8_t payload[uip_len] */
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/* u8_t footer[2] */
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/* no more */
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};
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struct hdr_802_15_ack {
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u8_t len;
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u8_t fc0;
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u8_t fc1;
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u8_t seq;
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u8_t footer[2];
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/* no more */
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};
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struct cc2420_neigbour {
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unsigned mac:16, nretrans:4, expire:4; /* expiration time */
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#if 0
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unsigned rssi:6, correlation:6;
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#endif
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};
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#define NNEIGBOURS 16
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extern struct cc2420_neigbour neigbours[NNEIGBOURS];
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PROCESS_NAME(cc2420_process);
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extern struct uip_fw_netif cc2420if;
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extern signed char cc2420_last_rssi;
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extern u8_t cc2420_last_correlation;
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extern u8_t cc2420_is_input;
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extern volatile u8_t cc2420_ack_received;
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void cc2420_init(void);
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void cc2420_set_chan_pan_addr(unsigned channel, unsigned pan,
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unsigned addr, const u8_t *ieee_addr);
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void cc2420_on(void);
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void cc2420_off(void);
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u8_t cc2420_send_ip(void);
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u8_t cc2420_send_uaodv(void);
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int cc2420_send(struct hdr_802_15 *hdr, u8_t hdr_len,
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const u8_t *p, u8_t p_len);
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/* Called at poll priority. */
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void cc2420_input(const struct hdr_802_15 *hdr, u8_t hdr_len,
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const u8_t *payload, u8_t payload_len);
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/* Is mac far away? remote=1, local=0, don't know=-1. */
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enum { REMOTE_MAYBE = -1, REMOTE_NO = 0, REMOTE_YES = 1 };
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int cc2420_check_remote(u16_t mac);
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void cc2420_recv_ok(uip_ipaddr_t *from);
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/*
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* Machine dependent initialization function and an interrupt service
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* routine must be provided externally. Call cc2420_intr from the
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* interrupt service routine.
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*/
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void __cc2420_arch_init(void);
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int __cc2420_intr(void);
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#endif /* CC2420_H */
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