2148 lines
67 KiB
C
2148 lines
67 KiB
C
/*
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* Copyright (c) 2014, Texas Instruments Incorporated - http://www.ti.com/
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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 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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/**
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* \addtogroup cc26xx-rf
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* @{
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*
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* \file
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* Implementation of the CC26xx RF driver
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*/
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/*---------------------------------------------------------------------------*/
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#include "contiki.h"
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#include "dev/radio.h"
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#include "dev/cc26xx-rf.h"
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#include "dev/oscillators.h"
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#include "net/packetbuf.h"
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#include "net/rime/rimestats.h"
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#include "net/linkaddr.h"
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#include "net/netstack.h"
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#include "sys/energest.h"
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#include "sys/clock.h"
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#include "sys/rtimer.h"
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#include "sys/cc.h"
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#include "lpm.h"
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#include "ti-lib.h"
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/*---------------------------------------------------------------------------*/
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/* RF core and RF HAL API */
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#include "hw_rfc_dbell.h"
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#include "hw_rfc_pwr.h"
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/*---------------------------------------------------------------------------*/
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/* RF Core Mailbox API */
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#include "mailbox.h"
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#include "common_cmd.h"
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#include "common_cmd_field.h"
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#include "ble_cmd.h"
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#include "ble_cmd_field.h"
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#include "ieee_cmd.h"
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#include "ieee_cmd_field.h"
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#include "data_entry.h"
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#include "ble_mailbox.h"
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#include "ieee_mailbox.h"
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/*---------------------------------------------------------------------------*/
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#include <stdint.h>
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#include <string.h>
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#include <stdio.h>
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#include <stdbool.h>
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/*---------------------------------------------------------------------------*/
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#define BUSYWAIT_UNTIL(cond, max_time) \
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do { \
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rtimer_clock_t t0; \
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t0 = RTIMER_NOW(); \
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while(!(cond) && RTIMER_CLOCK_LT(RTIMER_NOW(), t0 + (max_time))); \
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} while(0)
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/*---------------------------------------------------------------------------*/
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#ifdef __GNUC__
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#define CC_ALIGN_ATTR(n) __attribute__ ((aligned(n)))
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#else
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#define CC_ALIGN_ATTR(n)
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#endif
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/*---------------------------------------------------------------------------*/
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#define DEBUG 0
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#if DEBUG
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#define PRINTF(...) printf(__VA_ARGS__)
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#else
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#define PRINTF(...)
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#endif
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/*---------------------------------------------------------------------------*/
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/* Data entry status field constants */
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#define DATA_ENTRY_STATUS_PENDING 0x00 /* Not in use by the Radio CPU */
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#define DATA_ENTRY_STATUS_ACTIVE 0x01 /* Open for r/w by the radio CPU */
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#define DATA_ENTRY_STATUS_BUSY 0x02 /* Ongoing r/w */
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#define DATA_ENTRY_STATUS_FINISHED 0x03 /* Free to use and to free */
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#define DATA_ENTRY_STATUS_UNFINISHED 0x04 /* Partial RX entry */
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/*---------------------------------------------------------------------------*/
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/* RF stats data structure */
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static uint8_t rf_stats[16] = { 0 };
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/*---------------------------------------------------------------------------*/
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/* RF Command status constants - Correspond to values in the CMDSTA register */
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#define RF_CMD_STATUS_PENDING 0x00
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#define RF_CMD_STATUS_DONE 0x01
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#define RF_CMD_STATUS_ILLEGAL_PTR 0x81
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#define RF_CMD_STATUS_UNKNOWN_CMD 0x82
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#define RF_CMD_STATUS_UNKNOWN_DIR_CMD 0x83
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#define RF_CMD_STATUS_CONTEXT_ERR 0x85
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#define RF_CMD_STATUS_SCHEDULING_ERR 0x86
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#define RF_CMD_STATUS_PAR_ERR 0x87
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#define RF_CMD_STATUS_QUEUE_ERR 0x88
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#define RF_CMD_STATUS_QUEUE_BUSY 0x89
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/* Status values starting with 0x8 correspond to errors */
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#define RF_CMD_STATUS_ERR_MASK 0x80
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/* Return values for rf_send_cmd_ok */
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#define RF_CMD_ERROR 0
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#define RF_CMD_OK 1
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/* The size of the RF commands buffer */
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#define RF_CMD_BUFFER_SIZE 128
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/*---------------------------------------------------------------------------*/
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/* RF Radio Op status constants. Field 'status' in Radio Op command struct */
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#define RF_RADIO_OP_STATUS_IDLE 0x0000
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#define RF_RADIO_OP_STATUS_PENDING 0x0001
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#define RF_RADIO_OP_STATUS_ACTIVE 0x0002
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#define RF_RADIO_OP_STATUS_SKIPPED 0x0003
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#define RF_RADIO_OP_STATUS_DONE_OK 0x0400
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#define RF_RADIO_OP_STATUS_DONE_COUNTDOWN 0x0401
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#define RF_RADIO_OP_STATUS_DONE_RXERR 0x0402
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#define RF_RADIO_OP_STATUS_DONE_TIMEOUT 0x0403
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#define RF_RADIO_OP_STATUS_DONE_STOPPED 0x0404
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#define RF_RADIO_OP_STATUS_DONE_ABORT 0x0405
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#define RF_RADIO_OP_STATUS_ERROR_PAST_START 0x0800
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#define RF_RADIO_OP_STATUS_ERROR_START_TRIG 0x0801
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#define RF_RADIO_OP_STATUS_ERROR_CONDITION 0x0802
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#define RF_RADIO_OP_STATUS_ERROR_PAR 0x0803
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#define RF_RADIO_OP_STATUS_ERROR_POINTER 0x0804
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#define RF_RADIO_OP_STATUS_ERROR_CMDID 0x0805
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#define RF_RADIO_OP_STATUS_ERROR_NO_SETUP 0x0807
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#define RF_RADIO_OP_STATUS_ERROR_NO_FS 0x0808
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#define RF_RADIO_OP_STATUS_ERROR_SYNTH_PROG 0x0809
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/* Additional Op status values for IEEE mode */
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#define RF_RADIO_OP_STATUS_IEEE_SUSPENDED 0x2001
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#define RF_RADIO_OP_STATUS_IEEE_DONE_OK 0x2400
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#define RF_RADIO_OP_STATUS_IEEE_DONE_BUSY 0x2401
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#define RF_RADIO_OP_STATUS_IEEE_DONE_STOPPED 0x2402
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#define RF_RADIO_OP_STATUS_IEEE_DONE_ACK 0x2403
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#define RF_RADIO_OP_STATUS_IEEE_DONE_ACKPEND 0x2404
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#define RF_RADIO_OP_STATUS_IEEE_DONE_TIMEOUT 0x2405
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#define RF_RADIO_OP_STATUS_IEEE_DONE_BGEND 0x2406
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#define RF_RADIO_OP_STATUS_IEEE_DONE_ABORT 0x2407
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#define RF_RADIO_OP_STATUS_ERROR_WRONG_BG 0x0806
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#define RF_RADIO_OP_STATUS_IEEE_ERROR_PAR 0x2800
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#define RF_RADIO_OP_STATUS_IEEE_ERROR_NO_SETUP 0x2801
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#define RF_RADIO_OP_STATUS_IEEE_ERROR_NO_FS 0x2802
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#define RF_RADIO_OP_STATUS_IEEE_ERROR_SYNTH_PROG 0x2803
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#define RF_RADIO_OP_STATUS_IEEE_ERROR_RXOVF 0x2804
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#define RF_RADIO_OP_STATUS_IEEE_ERROR_TXUNF 0x2805
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/* Op status values for BLE mode */
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#define RF_RADIO_OP_STATUS_BLE_DONE_OK 0x1400
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#define RF_RADIO_OP_STATUS_BLE_DONE_RXTIMEOUT 0x1401
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#define RF_RADIO_OP_STATUS_BLE_DONE_NOSYNC 0x1402
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#define RF_RADIO_OP_STATUS_BLE_DONE_RXERR 0x1403
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#define RF_RADIO_OP_STATUS_BLE_DONE_CONNECT 0x1404
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#define RF_RADIO_OP_STATUS_BLE_DONE_MAXNACK 0x1405
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#define RF_RADIO_OP_STATUS_BLE_DONE_ENDED 0x1406
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#define RF_RADIO_OP_STATUS_BLE_DONE_ABORT 0x1407
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#define RF_RADIO_OP_STATUS_BLE_DONE_STOPPED 0x1408
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#define RF_RADIO_OP_STATUS_BLE_ERROR_PAR 0x1800
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#define RF_RADIO_OP_STATUS_BLE_ERROR_RXBUF 0x1801
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#define RF_RADIO_OP_STATUS_BLE_ERROR_NO_SETUP 0x1802
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#define RF_RADIO_OP_STATUS_BLE_ERROR_NO_FS 0x1803
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#define RF_RADIO_OP_STATUS_BLE_ERROR_SYNTH_PROG 0x1804
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#define RF_RADIO_OP_STATUS_BLE_ERROR_RXOVF 0x1805
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#define RF_RADIO_OP_STATUS_BLE_ERROR_TXUNF 0x1806
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/* Bits 15:12 signify the protocol */
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#define RF_RADIO_OP_STATUS_PROTO_MASK 0xF000
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#define RF_RADIO_OP_STATUS_PROTO_GENERIC 0x0000
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#define RF_RADIO_OP_STATUS_PROTO_BLE 0x1000
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#define RF_RADIO_OP_STATUS_PROTO_IEEE 0x2000
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#define RF_RADIO_OP_STATUS_PROTO_PROP 0x3000
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/* Bits 11:10 signify Running / Done OK / Done with error */
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#define RF_RADIO_OP_MASKED_STATUS 0x0C00
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#define RF_RADIO_OP_MASKED_STATUS_RUNNING 0x0000
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#define RF_RADIO_OP_MASKED_STATUS_DONE 0x0400
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#define RF_RADIO_OP_MASKED_STATUS_ERROR 0x0800
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/*---------------------------------------------------------------------------*/
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/**
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* \brief Returns the current status of a running Radio Op command
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* \param a A pointer with the buffer used to initiate the command
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* \return The value of the Radio Op buffer's status field
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*
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* This macro can be used to e.g. return the status of a previously
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* initiated background operation, or of an immediate command
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*/
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#define RF_RADIO_OP_GET_STATUS(a) GET_FIELD_V(a, radioOp, status)
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/*---------------------------------------------------------------------------*/
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/* Special value returned by CMD_IEEE_CCA_REQ when an RSSI is not available */
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#define RF_CMD_CCA_REQ_RSSI_UNKNOWN -128
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/* Used for the return value of channel_clear */
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#define RF_CCA_CLEAR 1
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#define RF_CCA_BUSY 0
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/* Used as an error return value for get_cca_info */
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#define RF_GET_CCA_INFO_ERROR 0xFF
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/*
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* Values of the individual bits of the ccaInfo field in CMD_IEEE_CCA_REQ's
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* status struct
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*/
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#define RF_CMD_CCA_REQ_CCA_STATE_IDLE 0 /* 00 */
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#define RF_CMD_CCA_REQ_CCA_STATE_BUSY 1 /* 01 */
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#define RF_CMD_CCA_REQ_CCA_STATE_INVALID 2 /* 10 */
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/*---------------------------------------------------------------------------*/
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#define RF_MODE_BLE 0
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#define RF_MODE_IEEE 1
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/*---------------------------------------------------------------------------*/
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/* How long to wait for an ongoing ACK TX to finish before starting frame TX */
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#define TX_WAIT_TIMEOUT (RTIMER_SECOND >> 11)
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/* How long to wait for the RF to enter RX in rf_cmd_ieee_rx */
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#define ENTER_RX_WAIT_TIMEOUT (RTIMER_SECOND >> 10)
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/*---------------------------------------------------------------------------*/
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/* TX Power dBm lookup table - values from SmartRF Studio */
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typedef struct output_config {
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radio_value_t dbm;
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uint8_t register_ib;
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uint8_t register_gc;
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} output_config_t;
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static const output_config_t output_power[] = {
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{ 5, 0x29, 0x00 },
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{ 4, 0x20, 0x00 },
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{ 3, 0x19, 0x00 },
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{ 2, 0x25, 0x01 },
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{ 1, 0x21, 0x01 },
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{ 0, 0x1D, 0x01 },
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{ -3, 0x19, 0x03 },
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{ -6, 0x13, 0x03 },
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{ -9, 0x0F, 0x03 },
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};
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#define OUTPUT_CONFIG_COUNT (sizeof(output_power) / sizeof(output_config_t))
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/* Max and Min Output Power in dBm */
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#define OUTPUT_POWER_MIN (output_power[OUTPUT_CONFIG_COUNT - 1].dbm)
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#define OUTPUT_POWER_MAX (output_power[0].dbm)
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#define OUTPUT_POWER_UNKNOWN 0xFFFF
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/* Default TX Power - position in output_power[] */
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#define CC26XX_RF_TX_POWER 0
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const output_config_t *tx_power_current = &output_power[0];
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/*---------------------------------------------------------------------------*/
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#define RF_CORE_CLOCKS_MASK (RFC_PWR_PWMCLKEN_RFC_M | RFC_PWR_PWMCLKEN_CPE_M \
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| RFC_PWR_PWMCLKEN_CPERAM_M)
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/*---------------------------------------------------------------------------*/
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/* RF interrupts */
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#define RX_IRQ IRQ_IEEE_RX_ENTRY_DONE
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#define TX_ACK_IRQ IRQ_IEEE_TX_ACK
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#define ERROR_IRQ IRQ_INTERNAL_ERROR
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/* Those IRQs are enabled all the time */
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#define ENABLED_IRQS (RX_IRQ + ERROR_IRQ)
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/*
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* We only enable this right before starting frame TX, so we can sleep while
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* the TX is ongoing
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*/
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#define LAST_FG_CMD_DONE IRQ_LAST_FG_COMMAND_DONE
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#define cc26xx_rf_cpe0_isr RFCCPE0IntHandler
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#define cc26xx_rf_cpe1_isr RFCCPE1IntHandler
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/*---------------------------------------------------------------------------*/
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/*
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* Buffers used to send commands to the RF core (generic and IEEE commands).
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* Some of those buffers are re-usable, some are not.
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*
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* If you are uncertain, declare a new buffer.
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*/
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/*
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* A buffer to send a CMD_IEEE_RX and to subsequently monitor its status
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* Do not use this buffer for any commands other than CMD_IEEE_RX
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*/
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static uint8_t cmd_ieee_rx_buf[RF_CMD_BUFFER_SIZE] CC_ALIGN_ATTR(4);
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/*
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* A buffer used to send immediate and foreground Radio Op (e.g. CMD_IEEE_TX)
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* commands.
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*
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* Do not re-use this buffer to send a command before the previous command
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* has been completed.
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*
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* Do not intermingle preparation of this buffer to send a command with calls
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* that might lead to a different command, since the latter will overwrite what
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* you have written in preparation for the former.
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*/
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static uint8_t cmd_immediate_buf[RF_CMD_BUFFER_SIZE] CC_ALIGN_ATTR(4);
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/*---------------------------------------------------------------------------*/
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/* BLE macros, variables and buffers */
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/* BLE Intervals: Send a burst of advertisements every BLE_ADV_INTERVAL secs */
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#define BLE_ADV_INTERVAL (CLOCK_SECOND * 5)
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#define BLE_ADV_DUTY_CYCLE (CLOCK_SECOND / 10)
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#define BLE_ADV_MESSAGES 10
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/* BLE Advertisement-related macros */
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#define BLE_ADV_TYPE_DEVINFO 0x01
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#define BLE_ADV_TYPE_NAME 0x09
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#define BLE_ADV_TYPE_MANUFACTURER 0xFF
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#define BLE_ADV_NAME_BUF_LEN 32
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#define BLE_ADV_PAYLOAD_BUF_LEN 64
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#define BLE_UUID_SIZE 16
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#if CC26XX_RF_BLE_SUPPORT
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/* BLE buffers / variables */
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static unsigned char ble_cmd_buf[32] CC_ALIGN_ATTR(4) = { 0 };
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static unsigned char ble_tx_rx_buf[128] CC_ALIGN_ATTR(4);
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static uint8_t ble_mode_on;
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/* BLE beacond config */
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static struct ble_beacond_config {
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clock_time_t interval;
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char adv_name[BLE_ADV_NAME_BUF_LEN];
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} beacond_config;
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/* BLE overrides */
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static uint32_t ble_overrides[] = {
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0x00364038, /* Synth: Set RTRIM (POTAILRESTRIM) to 6 */
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0x000784A3, /* Synth: Set FREF = 3.43 MHz (24 MHz / 7) */
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0xA47E0583, /* Synth: Set loop bandwidth after lock to 80 kHz (K2) */
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0xEAE00603, /* Synth: Set loop bandwidth after lock to 80 kHz (K3, LSB) */
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0x00010623, /* Synth: Set loop bandwidth after lock to 80 kHz (K3, MSB) */
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0x00456088, /* Adjust AGC reference level */
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0xFFFFFFFF, /* End of override list */
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};
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PROCESS(cc26xx_rf_ble_beacon_process, "CC26xx RF BLE Beacon Process");
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static void init_ble(void);
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#else
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#define init_ble(...)
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#endif /* CC26XX_RF_BLE_SUPPORT */
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/*---------------------------------------------------------------------------*/
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#define RX_BUF_SIZE 140
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/* Four receive buffers entries with room for 1 IEEE802.15.4 frame in each */
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static uint8_t rx_buf_0[RX_BUF_SIZE] CC_ALIGN_ATTR(4);
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static uint8_t rx_buf_1[RX_BUF_SIZE] CC_ALIGN_ATTR(4);
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static uint8_t rx_buf_2[RX_BUF_SIZE] CC_ALIGN_ATTR(4);
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static uint8_t rx_buf_3[RX_BUF_SIZE] CC_ALIGN_ATTR(4);
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/* The RX Data Queue */
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static dataQueue_t rx_data_queue = { 0 };
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/* Receive entry pointer to keep track of read items */
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volatile static uint8_t *rx_read_entry;
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/*---------------------------------------------------------------------------*/
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/* The outgoing frame buffer */
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#define TX_BUF_SIZE 180
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static uint8_t tx_buf[TX_BUF_SIZE];
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/*---------------------------------------------------------------------------*/
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/* Overrides for IEEE 802.15.4, differential mode */
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static uint32_t ieee_overrides[] = {
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0x00354038, /* Synth: Set RTRIM (POTAILRESTRIM) to 5 */
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0x4001402D, /* Synth: Correct CKVD latency setting (address) */
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0x00608402, /* Synth: Correct CKVD latency setting (value) */
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0x4001405D, /* Synth: Set ANADIV DIV_BIAS_MODE to PG1 (address) */
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0x1801F800, /* Synth: Set ANADIV DIV_BIAS_MODE to PG1 (value) */
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0x000784A3, /* Synth: Set FREF = 3.43 MHz (24 MHz / 7) */
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0xA47E0583, /* Synth: Set loop bandwidth after lock to 80 kHz (K2) */
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0xEAE00603, /* Synth: Set loop bandwidth after lock to 80 kHz (K3, LSB) */
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0x00010623, /* Synth: Set loop bandwidth after lock to 80 kHz (K3, MSB) */
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0x002B50DC, /* Adjust AGC DC filter */
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0x05000243, /* Increase synth programming timeout */
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0x002082C3, /* Increase synth programming timeout */
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0xFFFFFFFF, /* End of override list */
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};
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/*---------------------------------------------------------------------------*/
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PROCESS(cc26xx_rf_process, "CC26xx RF driver");
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/*---------------------------------------------------------------------------*/
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static int on(void);
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static int off(void);
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static void setup_interrupts(void);
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/*---------------------------------------------------------------------------*/
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static uint8_t
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rf_is_accessible(void)
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{
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if(ti_lib_prcm_rf_ready() &&
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ti_lib_prcm_power_domain_status(PRCM_DOMAIN_RFCORE) ==
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PRCM_DOMAIN_POWER_ON) {
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return 1;
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}
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return 0;
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}
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/*---------------------------------------------------------------------------*/
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/**
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* \brief Sends a command to the RF core.
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*
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* \param cmd The command value or a pointer to a command buffer
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* \param status A pointer to a variable which will hold the status
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* \return RF_CMD_OK or RF_CMD_ERROR
|
|
*
|
|
* This function supports all three types of command (Radio OP, immediate and
|
|
* direct)
|
|
*
|
|
* For immediate and Radio OPs, cmd is a pointer to the data structure
|
|
* containing the command and its parameters. This data structure must be
|
|
* 4-byte aligned.
|
|
*
|
|
* For direct commands, cmd contains the value of the command alongside its
|
|
* parameters
|
|
*
|
|
* The caller is responsible of allocating and populating cmd for Radio OP and
|
|
* immediate commands
|
|
*
|
|
* The caller is responsible for allocating status
|
|
*/
|
|
static uint_fast8_t
|
|
rf_send_cmd(uint32_t cmd, uint32_t *status)
|
|
{
|
|
uint32_t timeout_count = 0;
|
|
bool interrupts_disabled;
|
|
|
|
/*
|
|
* Make sure ContikiMAC doesn't turn us off from within an interrupt while
|
|
* we are accessing RF Core registers
|
|
*/
|
|
interrupts_disabled = ti_lib_int_master_disable();
|
|
|
|
if(!rf_is_accessible()) {
|
|
PRINTF("rf_send_cmd: RF was off\n");
|
|
if(!interrupts_disabled) {
|
|
ti_lib_int_master_enable();
|
|
}
|
|
return RF_CMD_ERROR;
|
|
}
|
|
|
|
HWREG(RFC_DBELL_BASE + RFC_DBELL_O_CMDR) = cmd;
|
|
do {
|
|
*status = HWREG(RFC_DBELL_BASE + RFC_DBELL_O_CMDSTA);
|
|
if(++timeout_count > 50000) {
|
|
PRINTF("rf_send_cmd: Timeout\n");
|
|
if(!interrupts_disabled) {
|
|
ti_lib_int_master_enable();
|
|
}
|
|
return RF_CMD_ERROR;
|
|
}
|
|
} while(*status == RF_CMD_STATUS_PENDING);
|
|
|
|
if(!interrupts_disabled) {
|
|
ti_lib_int_master_enable();
|
|
}
|
|
|
|
/*
|
|
* If we reach here the command is no longer pending. It is either completed
|
|
* successfully or with error
|
|
*/
|
|
return *status == RF_CMD_STATUS_DONE;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
/**
|
|
* \brief Checks whether the RFC domain is accessible and the RFC is in IEEE RX
|
|
* \return 1: RFC in RX mode (and therefore accessible too). 0 otherwise
|
|
*/
|
|
static uint8_t
|
|
rf_is_on(void)
|
|
{
|
|
if(!rf_is_accessible()) {
|
|
return 0;
|
|
}
|
|
|
|
return RF_RADIO_OP_GET_STATUS(cmd_ieee_rx_buf) == RF_RADIO_OP_STATUS_ACTIVE;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
/**
|
|
* \brief Check the RF's TX status
|
|
* \return 1 RF is transmitting
|
|
* \return 0 RF is not transmitting
|
|
*
|
|
* TX mode may be triggered either by a CMD_IEEE_TX or by the automatic
|
|
* transmission of an ACK frame.
|
|
*/
|
|
static uint8_t
|
|
transmitting(void)
|
|
{
|
|
uint32_t cmd_status;
|
|
|
|
/* If we are off, we are not in TX */
|
|
if(!rf_is_accessible()) {
|
|
return 0;
|
|
}
|
|
|
|
memset(cmd_immediate_buf, 0x00, SIZEOF_STRUCT(CMD_IEEE_CCA_REQ));
|
|
GET_FIELD(cmd_immediate_buf, command, commandNo) = CMD_IEEE_CCA_REQ;
|
|
|
|
if(rf_send_cmd((uint32_t)cmd_immediate_buf, &cmd_status) == RF_CMD_ERROR) {
|
|
PRINTF("transmitting: CMDSTA=0x%08lx, status=0x%04x\n",
|
|
cmd_status, RF_RADIO_OP_GET_STATUS(cmd_immediate_buf));
|
|
return 0;
|
|
}
|
|
|
|
if((GET_FIELD(cmd_immediate_buf, CMD_IEEE_CCA_REQ, currentRssi)
|
|
== RF_CMD_CCA_REQ_RSSI_UNKNOWN) &&
|
|
(GET_BITFIELD(cmd_immediate_buf, CMD_IEEE_CCA_REQ, ccaInfo, ccaEnergy)
|
|
== RF_CMD_CCA_REQ_CCA_STATE_BUSY)) {
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
/**
|
|
* \brief Returns CCA information
|
|
* \return RF_GET_CCA_INFO_ERROR if the RF was not on
|
|
* \return On success, the return value is formatted as per the ccaInfo field
|
|
* of CMD_IEEE_CCA_REQ
|
|
*
|
|
* It is the caller's responsibility to make sure the RF is on. This function
|
|
* will return RF_GET_CCA_INFO_ERROR if the RF is off
|
|
*
|
|
* This function will in fact wait for a valid RSSI signal
|
|
*/
|
|
static uint8_t
|
|
get_cca_info(void)
|
|
{
|
|
uint32_t cmd_status;
|
|
int8_t rssi;
|
|
|
|
if(!rf_is_on()) {
|
|
PRINTF("get_cca_info: Not on\n");
|
|
return RF_GET_CCA_INFO_ERROR;
|
|
}
|
|
|
|
rssi = RF_CMD_CCA_REQ_RSSI_UNKNOWN;
|
|
|
|
while(rssi == RF_CMD_CCA_REQ_RSSI_UNKNOWN || rssi == 0) {
|
|
memset(cmd_immediate_buf, 0x00, SIZEOF_STRUCT(CMD_IEEE_CCA_REQ));
|
|
GET_FIELD(cmd_immediate_buf, command, commandNo) = CMD_IEEE_CCA_REQ;
|
|
|
|
if(rf_send_cmd((uint32_t)cmd_immediate_buf, &cmd_status) == RF_CMD_ERROR) {
|
|
PRINTF("get_cca_info: CMDSTA=0x%08lx, status=0x%04x\n",
|
|
cmd_status, RF_RADIO_OP_GET_STATUS(cmd_immediate_buf));
|
|
|
|
return RF_GET_CCA_INFO_ERROR;
|
|
}
|
|
|
|
rssi = GET_FIELD(cmd_immediate_buf, CMD_IEEE_CCA_REQ, currentRssi);
|
|
}
|
|
|
|
/* We have a valid RSSI signal. Return the CCA Info */
|
|
return GET_FIELD(cmd_immediate_buf, CMD_IEEE_CCA_REQ, ccaInfo);
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
/**
|
|
* \brief Reads the current signal strength (RSSI)
|
|
* \return The current RSSI in dBm or CMD_GET_RSSI_UNKNOWN
|
|
*
|
|
* This function reads the current RSSI on the currently configured
|
|
* channel.
|
|
*/
|
|
static radio_value_t
|
|
get_rssi(void)
|
|
{
|
|
uint32_t cmd_status;
|
|
int8_t rssi;
|
|
uint8_t was_off = 0;
|
|
|
|
/* If we are off, turn on first */
|
|
if(!rf_is_on()) {
|
|
was_off = 1;
|
|
if(on() != RF_CMD_OK) {
|
|
PRINTF("get_rssi: on() failed\n");
|
|
return RF_CMD_CCA_REQ_RSSI_UNKNOWN;
|
|
}
|
|
}
|
|
|
|
memset(cmd_immediate_buf, 0x00, SIZEOF_STRUCT(CMD_GET_RSSI));
|
|
GET_FIELD(cmd_immediate_buf, command, commandNo) = CMD_GET_RSSI;
|
|
|
|
if(rf_send_cmd((uint32_t)cmd_immediate_buf, &cmd_status) == RF_CMD_ERROR) {
|
|
rssi = RF_CMD_CCA_REQ_RSSI_UNKNOWN;
|
|
}
|
|
|
|
/* Current RSSI in bits 23:16 of cmd_status */
|
|
rssi = (cmd_status >> 16) & 0xFF;
|
|
|
|
/* If we were off, turn back off */
|
|
if(was_off) {
|
|
off();
|
|
}
|
|
|
|
return rssi;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
/* Returns the current TX power in dBm */
|
|
static radio_value_t
|
|
get_tx_power(void)
|
|
{
|
|
return tx_power_current->dbm;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
/*
|
|
* Set TX power to 'at least' power dBm
|
|
* This works with a lookup table. If the value of 'power' does not exist in
|
|
* the lookup table, TXPOWER will be set to the immediately higher available
|
|
* value
|
|
*/
|
|
static void
|
|
set_tx_power(radio_value_t power)
|
|
{
|
|
uint32_t cmd_status;
|
|
int i;
|
|
|
|
/* Send a CMD_SET_TX_POWER command to the RF */
|
|
memset(cmd_immediate_buf, 0x00, SIZEOF_STRUCT(CMD_SET_TX_POWER));
|
|
|
|
GET_FIELD(cmd_immediate_buf, command, commandNo) = CMD_SET_TX_POWER;
|
|
|
|
for(i = OUTPUT_CONFIG_COUNT - 1; i >= 0; --i) {
|
|
if(power <= output_power[i].dbm) {
|
|
GET_FIELD(cmd_immediate_buf, CMD_SET_TX_POWER, txPower) =
|
|
BITVALUE(CMD_SET_TX_POWER, txPower, IB, output_power[i].register_ib) |
|
|
BITVALUE(CMD_SET_TX_POWER, txPower, GC, output_power[i].register_gc) |
|
|
BITVALUE(CMD_SET_TX_POWER, txPower, tempCoeff, 0);
|
|
|
|
if(rf_send_cmd((uint32_t)cmd_immediate_buf, &cmd_status) == RF_CMD_OK) {
|
|
/* Success: Remember the new setting */
|
|
tx_power_current = &output_power[i];
|
|
} else {
|
|
PRINTF("set_tx_power: CMDSTA=0x%08lx\n", cmd_status);
|
|
}
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
/**
|
|
* \brief Wait till running radio Op command completes
|
|
*
|
|
* \return RF_CMD_ERROR or RF_CMD_OK
|
|
*
|
|
* RF_CMD_OK will be returned if the Radio Op returned with
|
|
* RF_RADIO_OP_STATUS_DONE_OK
|
|
*
|
|
* RF_CMD_ERROR will be returned in the radio op returned with any other
|
|
* RF_RADIO_OP_STATUS_DONE_xyz
|
|
*/
|
|
static uint_fast8_t
|
|
rf_wait_cmd_completed_ok(uint8_t *cmd)
|
|
{
|
|
_TYPE_radioOp_status tmp_status;
|
|
uint32_t timeoutCount = 0;
|
|
|
|
/*
|
|
* 0x04XX=DONE, 0x0400=DONE_OK while all other "DONE" values means done
|
|
* but with some kind of error (ref. "Common radio operation status codes")
|
|
*/
|
|
do {
|
|
tmp_status = GET_FIELD_V(cmd, radioOp, status);
|
|
if(++timeoutCount > 500000) {
|
|
return RF_CMD_ERROR;
|
|
}
|
|
} while((tmp_status & RF_RADIO_OP_MASKED_STATUS) != RF_RADIO_OP_MASKED_STATUS_DONE);
|
|
|
|
return tmp_status == RF_RADIO_OP_STATUS_DONE_OK;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
/**
|
|
* \brief Builds common radio parameters for radio operations
|
|
*
|
|
* \param *cmd Pointer to buffer to add parameters to
|
|
* \param command Radio command number (e.g. COMMAND_RADIO_SETUP)
|
|
*
|
|
* \note The buffer must be emptied with memset() before calling this function
|
|
*
|
|
* \return None
|
|
*/
|
|
static void
|
|
rf_build_radio_op_cmd(uint8_t *cmd, uint16_t command)
|
|
{
|
|
GET_FIELD(cmd, radioOp, commandNo) = command;
|
|
GET_FIELD(cmd, radioOp, status) = IDLE;
|
|
GET_FIELD(cmd, radioOp, pNextOp) = NULL;
|
|
GET_FIELD(cmd, radioOp, startTime) = 0;
|
|
GET_FIELD(cmd, radioOp, startTrigger) = TRIG_NOW;
|
|
GET_FIELD(cmd, radioOp, condition) = COND_NEVER;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
/**
|
|
* \brief Sends a CMD_RADIO_SETUP for the selected mode (IEEE or BLE)
|
|
* \param mode RF_MODE_BLE or RF_MODE_IEEE
|
|
* \return RF_CMD_OK or RF_CMD_ERROR
|
|
*
|
|
* ToDo: Likely to need one more argument to set bNoAdi<foo> on first startup
|
|
* vs when coming back from sleep
|
|
*/
|
|
static uint8_t
|
|
rf_radio_setup(uint8_t mode)
|
|
{
|
|
uint32_t cmd_status;
|
|
|
|
/* Create radio setup command */
|
|
memset(cmd_immediate_buf, 0x00, SIZEOF_RADIO_OP(CMD_RADIO_SETUP));
|
|
rf_build_radio_op_cmd(cmd_immediate_buf, CMD_RADIO_SETUP);
|
|
|
|
/* Set output power to the current (or default) value */
|
|
GET_FIELD(cmd_immediate_buf, CMD_RADIO_SETUP, txPower) =
|
|
BITVALUE(CMD_RADIO_SETUP, txPower, IB, tx_power_current->register_ib) |
|
|
BITVALUE(CMD_RADIO_SETUP, txPower, GC, tx_power_current->register_gc) |
|
|
BITVALUE(CMD_RADIO_SETUP, txPower, tempCoeff, 0);
|
|
|
|
/* Do mode-dependent things (e.g. apply overrides) */
|
|
if(mode == RF_MODE_IEEE) {
|
|
/* Add override control pointer */
|
|
GET_FIELD(cmd_immediate_buf, CMD_RADIO_SETUP, pRegOverride) = ieee_overrides;
|
|
#if CC26XX_RF_BLE_SUPPORT
|
|
} else if(mode == RF_MODE_BLE) {
|
|
/* Add override control pointer */
|
|
GET_FIELD(cmd_immediate_buf, CMD_RADIO_SETUP, pRegOverride) = ble_overrides;
|
|
#endif
|
|
} else {
|
|
PRINTF("rf_radio_setup: Unknown mode %u\n", mode);
|
|
return RF_CMD_ERROR;
|
|
}
|
|
|
|
/* Lastly, set the mode */
|
|
GET_FIELD(cmd_immediate_buf, CMD_RADIO_SETUP, mode) = mode;
|
|
|
|
/* Send Radio setup to RF Core */
|
|
if(rf_send_cmd((uint32_t)cmd_immediate_buf, &cmd_status) != RF_CMD_OK) {
|
|
PRINTF("rf_radio_setup: CMD_RADIO_SETUP, CMDSTA=0x%08lx, status=0x%04x\n",
|
|
cmd_status, RF_RADIO_OP_GET_STATUS(cmd_immediate_buf));
|
|
return RF_CMD_ERROR;
|
|
}
|
|
|
|
/* Wait until radio setup is done */
|
|
if(rf_wait_cmd_completed_ok(cmd_immediate_buf) != RF_CMD_OK) {
|
|
PRINTF("rf_radio_setup: CMD_RADIO_SETUP wait, CMDSTA=0x%08lx, status=0x%04x\n",
|
|
cmd_status, RF_RADIO_OP_GET_STATUS(cmd_immediate_buf));
|
|
return RF_CMD_ERROR;
|
|
}
|
|
|
|
return RF_CMD_OK;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
/**
|
|
* \brief Applies patches (if any)
|
|
* \return RF_CMD_OK or RF_CMD_ERROR
|
|
*
|
|
* Currently patches are not required.
|
|
*/
|
|
static uint8_t
|
|
apply_patches()
|
|
{
|
|
uint32_t cmd_status;
|
|
|
|
/* Patch of uninitialized pointer */
|
|
*((uint32_t *)0x21000028) = 0x00000000;
|
|
|
|
/* Start radio timer (RAT) */
|
|
if(rf_send_cmd(CMDR_DIR_CMD(CMD_START_RAT), &cmd_status) != RF_CMD_OK) {
|
|
PRINTF("apply_patches: START_RAT fail, CMDSTA=0x%08lx\n", cmd_status);
|
|
return RF_CMD_ERROR;
|
|
}
|
|
|
|
return RF_CMD_OK;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
/**
|
|
* \brief Set up radio in IEEE802.15.4 RX mode
|
|
*
|
|
* \return RF_CMD_OK Succeeded
|
|
* \return RF_CMD_ERROR Failed
|
|
*
|
|
* This function assumes that cmd_ieee_rx_buf has been previously populated
|
|
* with correct values. This can be done through init_rf_params (sets defaults)
|
|
* or through Contiki's extended RF API (set_value, set_object)
|
|
*/
|
|
static uint8_t
|
|
rf_cmd_ieee_rx()
|
|
{
|
|
uint32_t cmd_status;
|
|
rtimer_clock_t t0;
|
|
int ret;
|
|
|
|
ret = rf_send_cmd((uint32_t)cmd_ieee_rx_buf, &cmd_status);
|
|
|
|
if(ret != RF_CMD_OK) {
|
|
PRINTF("rf_cmd_ieee_rx: ret=%d, CMDSTA=0x%08lx, status=0x%04x\n",
|
|
ret, cmd_status, RF_RADIO_OP_GET_STATUS(cmd_ieee_rx_buf));
|
|
}
|
|
|
|
t0 = RTIMER_NOW();
|
|
|
|
while(RF_RADIO_OP_GET_STATUS(cmd_ieee_rx_buf) != RF_RADIO_OP_STATUS_ACTIVE &&
|
|
(RTIMER_CLOCK_LT(RTIMER_NOW(), t0 + ENTER_RX_WAIT_TIMEOUT)));
|
|
|
|
/* Wait to enter RX */
|
|
if(RF_RADIO_OP_GET_STATUS(cmd_ieee_rx_buf) != RF_RADIO_OP_STATUS_ACTIVE) {
|
|
PRINTF("rf_cmd_ieee_rx: CMDSTA=0x%08lx, status=0x%04x\n",
|
|
cmd_status, RF_RADIO_OP_GET_STATUS(cmd_ieee_rx_buf));
|
|
return RF_CMD_ERROR;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
static void
|
|
init_rx_buffers(void)
|
|
{
|
|
/* Two-element circular buffer, hardcoded for now.. */
|
|
GET_FIELD(rx_buf_0, dataEntry, pNextEntry) = rx_buf_1;
|
|
GET_FIELD(rx_buf_0, dataEntry, config) = 0x04;
|
|
GET_FIELD(rx_buf_0, dataEntry, length) = sizeof(rx_buf_0) - 8;
|
|
|
|
GET_FIELD(rx_buf_1, dataEntry, pNextEntry) = rx_buf_2;
|
|
GET_FIELD(rx_buf_1, dataEntry, config) = 0x04;
|
|
GET_FIELD(rx_buf_1, dataEntry, length) = sizeof(rx_buf_1) - 8;
|
|
|
|
GET_FIELD(rx_buf_2, dataEntry, pNextEntry) = rx_buf_3;
|
|
GET_FIELD(rx_buf_2, dataEntry, config) = 0x04;
|
|
GET_FIELD(rx_buf_2, dataEntry, length) = sizeof(rx_buf_2) - 8;
|
|
|
|
/* Point to first element again */
|
|
GET_FIELD(rx_buf_3, dataEntry, pNextEntry) = rx_buf_0;
|
|
GET_FIELD(rx_buf_3, dataEntry, config) = 0x04;
|
|
GET_FIELD(rx_buf_3, dataEntry, length) = sizeof(rx_buf_3) - 8;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
static void
|
|
init_rf_params(void)
|
|
{
|
|
memset(cmd_ieee_rx_buf, 0x00, SIZEOF_RADIO_OP(CMD_IEEE_RX));
|
|
|
|
GET_FIELD(cmd_ieee_rx_buf, radioOp, commandNo) = CMD_IEEE_RX;
|
|
GET_FIELD(cmd_ieee_rx_buf, radioOp, status) = IDLE;
|
|
GET_FIELD(cmd_ieee_rx_buf, radioOp, pNextOp) = NULL;
|
|
GET_FIELD(cmd_ieee_rx_buf, radioOp, startTime) = 0x00000000;
|
|
GET_FIELD(cmd_ieee_rx_buf, radioOp, startTrigger) = TRIG_NOW;
|
|
GET_FIELD(cmd_ieee_rx_buf, radioOp, condition) = COND_NEVER;
|
|
GET_FIELD(cmd_ieee_rx_buf, CMD_IEEE_RX, channel) = CC26XX_RF_CHANNEL;
|
|
GET_FIELD(cmd_ieee_rx_buf, CMD_IEEE_RX, rxConfig) =
|
|
BITVALUE(CMD_IEEE_RX, rxConfig, bAutoFlushCrc, 0) |
|
|
BITVALUE(CMD_IEEE_RX, rxConfig, bAutoFlushIgn, 0) |
|
|
BITVALUE(CMD_IEEE_RX, rxConfig, bIncludePhyHdr, 0) |
|
|
BITVALUE(CMD_IEEE_RX, rxConfig, bIncludeCrc, 1) |
|
|
BITVALUE(CMD_IEEE_RX, rxConfig, bAppendRssi, 1) |
|
|
BITVALUE(CMD_IEEE_RX, rxConfig, bAppendCorrCrc, 1) |
|
|
BITVALUE(CMD_IEEE_RX, rxConfig, bAppendSrcInd, 0) |
|
|
BITVALUE(CMD_IEEE_RX, rxConfig, bAppendTimestamp, 0);
|
|
GET_FIELD(cmd_ieee_rx_buf, CMD_IEEE_RX, pRxQ) = &rx_data_queue;
|
|
GET_FIELD(cmd_ieee_rx_buf, CMD_IEEE_RX, pOutput) = rf_stats;
|
|
GET_FIELD(cmd_ieee_rx_buf, CMD_IEEE_RX, frameFiltOpt) =
|
|
#if CC26XX_RF_CONF_PROMISCOUS
|
|
BITVALUE(CMD_IEEE_RX, frameFiltOpt, frameFiltEn, 0) |
|
|
#else
|
|
BITVALUE(CMD_IEEE_RX, frameFiltOpt, frameFiltEn, 1) |
|
|
#endif
|
|
BITVALUE(CMD_IEEE_RX, frameFiltOpt, frameFiltStop, 1) |
|
|
#if CC26XX_RF_CONF_AUTOACK
|
|
BITVALUE(CMD_IEEE_RX, frameFiltOpt, autoAckEn, 1) |
|
|
#else
|
|
BITVALUE(CMD_IEEE_RX, frameFiltOpt, autoAckEn, 0) |
|
|
#endif
|
|
BITVALUE(CMD_IEEE_RX, frameFiltOpt, slottedAckEn, 0) |
|
|
BITVALUE(CMD_IEEE_RX, frameFiltOpt, autoPendEn, 0) |
|
|
BITVALUE(CMD_IEEE_RX, frameFiltOpt, defaultPend, 0) |
|
|
BITVALUE(CMD_IEEE_RX, frameFiltOpt, bPendDataReqOnly, 0) |
|
|
BITVALUE(CMD_IEEE_RX, frameFiltOpt, bPanCoord, 0) |
|
|
BITVALUE(CMD_IEEE_RX, frameFiltOpt, maxFrameVersion, 1) |
|
|
BITVALUE(CMD_IEEE_RX, frameFiltOpt, bStrictLenFilter, 0);
|
|
/* Receive all frame types */
|
|
GET_FIELD(cmd_ieee_rx_buf, CMD_IEEE_RX, frameTypes) =
|
|
BITVALUE(CMD_IEEE_RX, frameTypes, bAcceptFt0Beacon, 1) |
|
|
BITVALUE(CMD_IEEE_RX, frameTypes, bAcceptFt1Data, 1) |
|
|
BITVALUE(CMD_IEEE_RX, frameTypes, bAcceptFt2Ack, 1) |
|
|
BITVALUE(CMD_IEEE_RX, frameTypes, bAcceptFt3MacCmd, 1) |
|
|
BITVALUE(CMD_IEEE_RX, frameTypes, bAcceptFt4Reserved, 1) |
|
|
BITVALUE(CMD_IEEE_RX, frameTypes, bAcceptFt5Reserved, 1) |
|
|
BITVALUE(CMD_IEEE_RX, frameTypes, bAcceptFt6Reserved, 1) |
|
|
BITVALUE(CMD_IEEE_RX, frameTypes, bAcceptFt7Reserved, 1);
|
|
/* Configure CCA settings */
|
|
GET_FIELD(cmd_ieee_rx_buf, CMD_IEEE_RX, ccaOpt) =
|
|
BITVALUE(CMD_IEEE_RX, ccaOpt, ccaEnEnergy, 1) |
|
|
BITVALUE(CMD_IEEE_RX, ccaOpt, ccaEnCorr, 0) |
|
|
BITVALUE(CMD_IEEE_RX, ccaOpt, ccaEnSync, 0) |
|
|
BITVALUE(CMD_IEEE_RX, ccaOpt, ccaCorrOp, 0) |
|
|
BITVALUE(CMD_IEEE_RX, ccaOpt, ccaSyncOp, 0);
|
|
/* Set CCA RSSI Threshold, 0xA6 corresponds to -90dBm (two's comp.)*/
|
|
GET_FIELD(cmd_ieee_rx_buf, CMD_IEEE_RX, ccaRssiThr) = 0xA6;
|
|
GET_FIELD(cmd_ieee_rx_buf, CMD_IEEE_RX, numExtEntries) = 0x00;
|
|
GET_FIELD(cmd_ieee_rx_buf, CMD_IEEE_RX, numShortEntries) = 0x00;
|
|
GET_FIELD(cmd_ieee_rx_buf, CMD_IEEE_RX, pExtEntryList) = 0;
|
|
GET_FIELD(cmd_ieee_rx_buf, CMD_IEEE_RX, pShortEntryList) = 0;
|
|
|
|
GET_FIELD(cmd_ieee_rx_buf, CMD_IEEE_RX, endTrigger) = TRIG_NEVER;
|
|
GET_FIELD(cmd_ieee_rx_buf, CMD_IEEE_RX, endTime) = 0x00000000;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
/**
|
|
* \brief Turn on power to the RFC and boot it.
|
|
*
|
|
* \return RF_CMD_OK or RF_CMD_ERROR
|
|
*/
|
|
static int
|
|
power_up(void)
|
|
{
|
|
uint32_t cmd_status;
|
|
bool interrupts_disabled = ti_lib_int_master_disable();
|
|
|
|
ti_lib_int_pend_clear(INT_RF_CPE0);
|
|
ti_lib_int_pend_clear(INT_RF_CPE1);
|
|
ti_lib_int_disable(INT_RF_CPE0);
|
|
ti_lib_int_disable(INT_RF_CPE1);
|
|
|
|
/* Enable RF Core power domain */
|
|
ti_lib_prcm_power_domain_on(PRCM_DOMAIN_RFCORE);
|
|
while(ti_lib_prcm_power_domain_status(PRCM_DOMAIN_RFCORE)
|
|
!= PRCM_DOMAIN_POWER_ON);
|
|
|
|
ti_lib_prcm_domain_enable(PRCM_DOMAIN_RFCORE);
|
|
ti_lib_prcm_load_set();
|
|
while(!ti_lib_prcm_load_get());
|
|
|
|
while(!rf_is_accessible()) {
|
|
PRINTF("power_up: Not ready\n");
|
|
}
|
|
|
|
HWREG(RFC_DBELL_NONBUF_BASE + RFC_DBELL_O_RFCPEIFG) = 0x0;
|
|
HWREG(RFC_DBELL_NONBUF_BASE + RFC_DBELL_O_RFCPEIEN) = 0x0;
|
|
ti_lib_int_enable(INT_RF_CPE0);
|
|
ti_lib_int_enable(INT_RF_CPE1);
|
|
|
|
if(!interrupts_disabled) {
|
|
ti_lib_int_master_enable();
|
|
}
|
|
|
|
/* Let CPE boot */
|
|
HWREG(RFC_PWR_NONBUF_BASE + RFC_PWR_O_PWMCLKEN) = RF_CORE_CLOCKS_MASK;
|
|
|
|
/* Send ping (to verify RFCore is ready and alive) */
|
|
if(rf_send_cmd(CMDR_DIR_CMD(CMD_PING), &cmd_status) != RF_CMD_OK) {
|
|
PRINTF("power_up: CMD_PING fail, CMDSTA=0x%08lx\n", cmd_status);
|
|
return RF_CMD_ERROR;
|
|
}
|
|
|
|
return RF_CMD_OK;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
/**
|
|
* \brief Disable RFCORE clock domain in the MCU VD and turn off the RFCORE PD
|
|
*/
|
|
static void
|
|
power_down(void)
|
|
{
|
|
bool interrupts_disabled = ti_lib_int_master_disable();
|
|
ti_lib_int_disable(INT_RF_CPE0);
|
|
ti_lib_int_disable(INT_RF_CPE1);
|
|
|
|
if(rf_is_accessible()) {
|
|
HWREG(RFC_DBELL_NONBUF_BASE + RFC_DBELL_O_RFCPEIFG) = 0x0;
|
|
HWREG(RFC_DBELL_NONBUF_BASE + RFC_DBELL_O_RFCPEIEN) = 0x0;
|
|
}
|
|
|
|
/* Shut down the RFCORE clock domain in the MCU VD */
|
|
ti_lib_prcm_domain_disable(PRCM_DOMAIN_RFCORE);
|
|
ti_lib_prcm_load_set();
|
|
while(!ti_lib_prcm_load_get());
|
|
|
|
/* Turn off RFCORE PD */
|
|
ti_lib_prcm_power_domain_off(PRCM_DOMAIN_RFCORE);
|
|
while(ti_lib_prcm_power_domain_status(PRCM_DOMAIN_RFCORE)
|
|
!= PRCM_DOMAIN_POWER_OFF);
|
|
|
|
ti_lib_int_pend_clear(INT_RF_CPE0);
|
|
ti_lib_int_pend_clear(INT_RF_CPE1);
|
|
ti_lib_int_enable(INT_RF_CPE0);
|
|
ti_lib_int_enable(INT_RF_CPE1);
|
|
if(!interrupts_disabled) {
|
|
ti_lib_int_master_enable();
|
|
}
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
static int
|
|
rx_on(void)
|
|
{
|
|
int ret;
|
|
|
|
/* Get status of running IEEE_RX (if any) */
|
|
if(rf_is_on()) {
|
|
PRINTF("rx_on: We were on. PD=%u, RX=0x%04x \n", rf_is_accessible(),
|
|
RF_RADIO_OP_GET_STATUS(cmd_ieee_rx_buf));
|
|
return RF_CMD_OK;
|
|
}
|
|
|
|
/* Put CPE in RX using the currently configured parameters */
|
|
ret = rf_cmd_ieee_rx();
|
|
|
|
if(ret) {
|
|
ENERGEST_ON(ENERGEST_TYPE_LISTEN);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
static int
|
|
rx_off(void)
|
|
{
|
|
uint32_t cmd_status;
|
|
int ret;
|
|
|
|
/* If we are off, do nothing */
|
|
if(!rf_is_on()) {
|
|
return RF_CMD_OK;
|
|
}
|
|
|
|
/* Wait for ongoing ACK TX to finish */
|
|
while(transmitting());
|
|
|
|
/* Send a CMD_STOP command to RF Core */
|
|
if(rf_send_cmd(CMDR_DIR_CMD(CMD_ABORT), &cmd_status) != RF_CMD_OK) {
|
|
PRINTF("RX off: CMD_ABORT status=0x%08lx\n", cmd_status);
|
|
/* Continue nonetheless */
|
|
}
|
|
|
|
while(rf_is_on());
|
|
|
|
if(RF_RADIO_OP_GET_STATUS(cmd_ieee_rx_buf) == IEEE_DONE_STOPPED ||
|
|
RF_RADIO_OP_GET_STATUS(cmd_ieee_rx_buf) == IEEE_DONE_ABORT) {
|
|
/* Stopped gracefully */
|
|
ENERGEST_OFF(ENERGEST_TYPE_LISTEN);
|
|
ret = RF_CMD_OK;
|
|
} else {
|
|
PRINTF("RX off: BG status=0x%04x\n", RF_RADIO_OP_GET_STATUS(cmd_ieee_rx_buf));
|
|
ret = RF_CMD_ERROR;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
static void
|
|
rx_isr(void)
|
|
{
|
|
process_poll(&cc26xx_rf_process);
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
void
|
|
cc26xx_rf_cpe1_isr(void)
|
|
{
|
|
ENERGEST_ON(ENERGEST_TYPE_IRQ);
|
|
|
|
ti_lib_int_master_disable();
|
|
PRINTF("RF Error\n");
|
|
|
|
if(!rf_is_accessible()) {
|
|
if(power_up() != RF_CMD_OK) {
|
|
return;
|
|
}
|
|
}
|
|
|
|
/* Clear interrupt flags */
|
|
HWREG(RFC_DBELL_NONBUF_BASE + RFC_DBELL_O_RFCPEIFG) = 0x0;
|
|
ti_lib_int_master_enable();
|
|
|
|
ENERGEST_OFF(ENERGEST_TYPE_IRQ);
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
void
|
|
cc26xx_rf_cpe0_isr(void)
|
|
{
|
|
ENERGEST_ON(ENERGEST_TYPE_IRQ);
|
|
|
|
if(!rf_is_accessible()) {
|
|
printf("RF ISR called but RF not ready... PANIC!!\n");
|
|
if(power_up() != RF_CMD_OK) {
|
|
PRINTF("power_up() failed\n");
|
|
return;
|
|
}
|
|
}
|
|
|
|
ti_lib_int_master_disable();
|
|
if(HWREG(RFC_DBELL_NONBUF_BASE + RFC_DBELL_O_RFCPEIFG) & RX_IRQ) {
|
|
rx_isr();
|
|
}
|
|
|
|
/* Clear interrupt flags */
|
|
HWREG(RFC_DBELL_NONBUF_BASE + RFC_DBELL_O_RFCPEIFG) = 0x0;
|
|
ti_lib_int_master_enable();
|
|
|
|
ENERGEST_OFF(ENERGEST_TYPE_IRQ);
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
static void
|
|
setup_interrupts(void)
|
|
{
|
|
bool interrupts_disabled;
|
|
|
|
/* We are already turned on by the caller, so this should not happen */
|
|
if(!rf_is_accessible()) {
|
|
PRINTF("setup_interrupts: No access\n");
|
|
return;
|
|
}
|
|
|
|
/* Disable interrupts */
|
|
interrupts_disabled = ti_lib_int_master_disable();
|
|
|
|
/* Set all interrupt channels to CPE0 channel, error to CPE1 */
|
|
HWREG(RFC_DBELL_NONBUF_BASE + RFC_DBELL_O_RFCPEISL) = ERROR_IRQ;
|
|
|
|
/* Acknowledge TX_Frame, Rx_Entry_Done and ERROR */
|
|
HWREG(RFC_DBELL_NONBUF_BASE + RFC_DBELL_O_RFCPEIEN) = ENABLED_IRQS;
|
|
|
|
/* Clear interrupt flags, active low clear(?) */
|
|
HWREG(RFC_DBELL_NONBUF_BASE + RFC_DBELL_O_RFCPEIFG) = 0x0;
|
|
|
|
ti_lib_int_pend_clear(INT_RF_CPE0);
|
|
ti_lib_int_pend_clear(INT_RF_CPE1);
|
|
ti_lib_int_enable(INT_RF_CPE0);
|
|
ti_lib_int_enable(INT_RF_CPE1);
|
|
|
|
if(!interrupts_disabled) {
|
|
ti_lib_int_master_enable();
|
|
}
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
static uint8_t
|
|
request(void)
|
|
{
|
|
/*
|
|
* We rely on the RDC layer to turn us on and off. Thus, if we are on we
|
|
* will only allow sleep, standby otherwise
|
|
*/
|
|
if(rf_is_on()) {
|
|
return LPM_MODE_SLEEP;
|
|
}
|
|
|
|
return LPM_MODE_MAX_SUPPORTED;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
LPM_MODULE(cc26xx_rf_lpm_module, request, NULL, NULL, LPM_DOMAIN_NONE);
|
|
/*---------------------------------------------------------------------------*/
|
|
static int
|
|
init(void)
|
|
{
|
|
lpm_register_module(&cc26xx_rf_lpm_module);
|
|
|
|
/* Enable IEEE, BLE and Common-CMD APIs */
|
|
HWREG(PRCM_BASE + PRCM_O_RFCMODESEL) = PRCM_RFCMODESEL_CURR_MODE5;
|
|
|
|
/* Wipe out the BLE adv buffer */
|
|
init_ble();
|
|
|
|
/* Initialise RX buffers */
|
|
memset(rx_buf_0, 0, RX_BUF_SIZE);
|
|
memset(rx_buf_1, 0, RX_BUF_SIZE);
|
|
memset(rx_buf_2, 0, RX_BUF_SIZE);
|
|
memset(rx_buf_3, 0, RX_BUF_SIZE);
|
|
|
|
/* Set of RF Core data queue. Circular buffer, no last entry */
|
|
rx_data_queue.pCurrEntry = rx_buf_0;
|
|
|
|
rx_data_queue.pLastEntry = NULL;
|
|
|
|
/* Initialize current read pointer to first element (used in ISR) */
|
|
rx_read_entry = rx_buf_0;
|
|
|
|
/* Populate the RF parameters data structure with default values */
|
|
init_rf_params();
|
|
|
|
if(on() != RF_CMD_OK) {
|
|
PRINTF("init: on() failed\n");
|
|
return RF_CMD_ERROR;
|
|
}
|
|
|
|
ENERGEST_ON(ENERGEST_TYPE_LISTEN);
|
|
|
|
process_start(&cc26xx_rf_process, NULL);
|
|
return 1;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
static int
|
|
prepare(const void *payload, unsigned short payload_len)
|
|
{
|
|
int len = MIN(payload_len, sizeof(tx_buf));
|
|
|
|
memcpy(tx_buf, payload, len);
|
|
return RF_CMD_OK;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
static int
|
|
transmit(unsigned short transmit_len)
|
|
{
|
|
int ret;
|
|
uint8_t was_off = 0;
|
|
uint32_t cmd_status;
|
|
uint16_t stat;
|
|
uint8_t tx_active = 0;
|
|
rtimer_clock_t t0;
|
|
|
|
if(!rf_is_on()) {
|
|
was_off = 1;
|
|
if(on() != RF_CMD_OK) {
|
|
PRINTF("transmit: on() failed\n");
|
|
return RF_CMD_ERROR;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* We are certainly not TXing a frame as a result of CMD_IEEE_TX, but we may
|
|
* be in the process of TXing an ACK. In that case, wait for the TX to finish
|
|
* or return after approx TX_WAIT_TIMEOUT
|
|
*/
|
|
t0 = RTIMER_NOW();
|
|
|
|
do {
|
|
tx_active = transmitting();
|
|
} while(tx_active == 1 &&
|
|
(RTIMER_CLOCK_LT(RTIMER_NOW(), t0 + TX_WAIT_TIMEOUT)));
|
|
|
|
if(tx_active) {
|
|
PRINTF("transmit: Already TXing and wait timed out\n");
|
|
|
|
if(was_off) {
|
|
off();
|
|
}
|
|
|
|
return RADIO_TX_COLLISION;
|
|
}
|
|
|
|
/* Send the CMD_IEEE_TX command */
|
|
memset(cmd_immediate_buf, 0, SIZEOF_RADIO_OP(CMD_IEEE_TX));
|
|
|
|
rf_build_radio_op_cmd(cmd_immediate_buf, CMD_IEEE_TX);
|
|
|
|
GET_FIELD(cmd_immediate_buf, CMD_IEEE_TX, payloadLen) = transmit_len;
|
|
GET_FIELD(cmd_immediate_buf, CMD_IEEE_TX, pPayload) = tx_buf;
|
|
|
|
/* Enable the LAST_FG_COMMAND_DONE interrupt, which will wake us up */
|
|
HWREG(RFC_DBELL_NONBUF_BASE + RFC_DBELL_O_RFCPEIEN) = ENABLED_IRQS +
|
|
LAST_FG_CMD_DONE;
|
|
|
|
ret = rf_send_cmd((uint32_t)cmd_immediate_buf, &cmd_status);
|
|
|
|
if(ret) {
|
|
/* If we enter here, TX actually started */
|
|
ENERGEST_OFF(ENERGEST_TYPE_LISTEN);
|
|
ENERGEST_ON(ENERGEST_TYPE_TRANSMIT);
|
|
|
|
/* Idle away while the command is running */
|
|
while((RF_RADIO_OP_GET_STATUS(cmd_immediate_buf) & RF_RADIO_OP_MASKED_STATUS)
|
|
== RF_RADIO_OP_MASKED_STATUS_RUNNING) {
|
|
lpm_sleep();
|
|
}
|
|
|
|
stat = RF_RADIO_OP_GET_STATUS(cmd_immediate_buf);
|
|
|
|
if(stat == RF_RADIO_OP_STATUS_IEEE_DONE_OK) {
|
|
/* Sent OK */
|
|
RIMESTATS_ADD(lltx);
|
|
ret = RADIO_TX_OK;
|
|
} else {
|
|
/* Operation completed, but frame was not sent */
|
|
PRINTF("transmit: ret=%d, CMDSTA=0x%08lx, status=0x%04x\n", ret,
|
|
cmd_status, stat);
|
|
ret = RADIO_TX_ERR;
|
|
}
|
|
} else {
|
|
/* Failure sending the CMD_IEEE_TX command */
|
|
PRINTF("transmit: ret=%d, CMDSTA=0x%08lx, status=0x%04x\n",
|
|
ret, cmd_status, RF_RADIO_OP_GET_STATUS(cmd_immediate_buf));
|
|
|
|
ret = RADIO_TX_ERR;
|
|
}
|
|
|
|
/*
|
|
* Update ENERGEST state here, before a potential call to off(), which
|
|
* will correctly update it if required.
|
|
*/
|
|
ENERGEST_OFF(ENERGEST_TYPE_TRANSMIT);
|
|
ENERGEST_ON(ENERGEST_TYPE_LISTEN);
|
|
|
|
/*
|
|
* Disable LAST_FG_COMMAND_DONE interrupt. We don't really care about it
|
|
* except when we are transmitting
|
|
*/
|
|
HWREG(RFC_DBELL_NONBUF_BASE + RFC_DBELL_O_RFCPEIEN) = ENABLED_IRQS;
|
|
|
|
return ret;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
static int
|
|
send(const void *payload, unsigned short payload_len)
|
|
{
|
|
prepare(payload, payload_len);
|
|
return transmit(payload_len);
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
static int
|
|
read_frame(void *buf, unsigned short buf_len)
|
|
{
|
|
int len = 0;
|
|
|
|
if(GET_FIELD_V(rx_read_entry, dataEntry, status) == DATA_ENTRY_STATUS_FINISHED) {
|
|
/* Set status to 0 "Pending" in element */
|
|
GET_FIELD_V(rx_read_entry, dataEntry, status) = DATA_ENTRY_STATUS_PENDING;
|
|
|
|
if(rx_read_entry[8] > 0) {
|
|
memcpy(buf, (char *)&rx_read_entry[9], buf_len);
|
|
|
|
/* Remove the footer */
|
|
len = MIN(buf_len, rx_read_entry[8] - 4);
|
|
|
|
int rssi = (int8_t)rx_read_entry[9 + len + 2];
|
|
|
|
packetbuf_set_attr(PACKETBUF_ATTR_RSSI, rssi);
|
|
RIMESTATS_ADD(llrx);
|
|
|
|
/* Clear the length byte */
|
|
rx_read_entry[8] = 0;
|
|
}
|
|
|
|
/* Move read entry pointer to next entry */
|
|
rx_read_entry = GET_FIELD_V(rx_read_entry, dataEntry, pNextEntry);
|
|
}
|
|
|
|
return len;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
static int
|
|
channel_clear(void)
|
|
{
|
|
uint8_t was_off = 0;
|
|
uint8_t cca_info;
|
|
int ret = RF_CCA_CLEAR;
|
|
|
|
/*
|
|
* If we are in the middle of a BLE operation, we got called by ContikiMAC
|
|
* from within an interrupt context. Indicate a clear channel
|
|
*/
|
|
#if CC26XX_RF_BLE_SUPPORT
|
|
if(ble_mode_on) {
|
|
PRINTF("channel_clear: Interrupt context but BLE in progress\n");
|
|
return RF_CCA_CLEAR;
|
|
}
|
|
#endif
|
|
|
|
if(rf_is_on()) {
|
|
/*
|
|
* Wait for potential leftover ACK still being sent.
|
|
* Strictly speaking, if we are TXing an ACK then the channel is not clear.
|
|
* However, channel_clear is only ever called to determine whether there is
|
|
* someone else's packet in the air, not ours.
|
|
*
|
|
* We could probably even simply return that the channel is clear
|
|
*/
|
|
while(transmitting());
|
|
} else {
|
|
was_off = 1;
|
|
if(on() != RF_CMD_OK) {
|
|
PRINTF("channel_clear: on() failed\n");
|
|
if(was_off) {
|
|
off();
|
|
}
|
|
return RF_CCA_CLEAR;
|
|
}
|
|
}
|
|
|
|
cca_info = get_cca_info();
|
|
|
|
if(cca_info == RF_GET_CCA_INFO_ERROR) {
|
|
PRINTF("channel_clear: CCA error\n");
|
|
ret = RF_CCA_CLEAR;
|
|
} else {
|
|
/*
|
|
* cca_info bits 1:0 - ccaStatus
|
|
* Return 1 (clear) if idle or invalid.
|
|
*/
|
|
ret = (cca_info & 0x03) != RF_CMD_CCA_REQ_CCA_STATE_BUSY;
|
|
}
|
|
|
|
if(was_off) {
|
|
off();
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
static int
|
|
receiving_packet(void)
|
|
{
|
|
int ret = 0;
|
|
uint8_t cca_info;
|
|
uint8_t was_off = 0;
|
|
|
|
if(!rf_is_on()) {
|
|
was_off = 1;
|
|
if(on() != RF_CMD_OK) {
|
|
PRINTF("receiving_packet: on() failed\n");
|
|
return RF_CMD_ERROR;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* If we are in the middle of a BLE operation, we got called by ContikiMAC
|
|
* from within an interrupt context. We are not receiving
|
|
*/
|
|
#if CC26XX_RF_BLE_SUPPORT
|
|
if(ble_mode_on) {
|
|
PRINTF("receiving_packet: Interrupt context but BLE in progress\n");
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
/* If we are off, we are not receiving */
|
|
if(!rf_is_on()) {
|
|
PRINTF("receiving_packet: We were off\n");
|
|
return 0;
|
|
}
|
|
|
|
/* If we are transmitting (can only be an ACK here), we are not receiving */
|
|
if(transmitting()) {
|
|
PRINTF("receiving_packet: We were TXing\n");
|
|
return 0;
|
|
}
|
|
|
|
cca_info = get_cca_info();
|
|
|
|
if(cca_info == RF_GET_CCA_INFO_ERROR) {
|
|
/* If we can't read CCA info, return "not receiving" */
|
|
ret = 0;
|
|
} else {
|
|
/* Return 1 (receiving) if ccaState is busy */
|
|
ret = (cca_info & 0x03) == RF_CMD_CCA_REQ_CCA_STATE_BUSY;
|
|
}
|
|
|
|
if(was_off) {
|
|
off();
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
static int
|
|
pending_packet(void)
|
|
{
|
|
volatile uint8_t *current = rx_data_queue.pCurrEntry;
|
|
int rv = 0;
|
|
|
|
/* Go through all RX buffers and check their status */
|
|
do {
|
|
if(GET_FIELD_V(current, dataEntry, status) ==
|
|
DATA_ENTRY_STATUS_FINISHED) {
|
|
rv = 1;
|
|
process_poll(&cc26xx_rf_process);
|
|
}
|
|
|
|
current = GET_FIELD_V(current, dataEntry, pNextEntry);
|
|
} while(current != rx_data_queue.pCurrEntry);
|
|
|
|
/* If we didn't find an entry at status finished, no frames are pending */
|
|
return rv;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
static int
|
|
on(void)
|
|
{
|
|
/*
|
|
* Request the HF XOSC as the source for the HF clock. Needed before we can
|
|
* use the FS. This will only request, it will _not_ perform the switch.
|
|
*/
|
|
oscillators_request_hf_xosc();
|
|
|
|
/*
|
|
* If we are in the middle of a BLE operation, we got called by ContikiMAC
|
|
* from within an interrupt context. Abort, but pretend everything is OK.
|
|
*/
|
|
#if CC26XX_RF_BLE_SUPPORT
|
|
if(ble_mode_on) {
|
|
PRINTF("on: Interrupt context but BLE in progress\n");
|
|
return RF_CMD_OK;
|
|
}
|
|
#endif
|
|
|
|
if(rf_is_on()) {
|
|
PRINTF("on: We were on. PD=%u, RX=0x%04x \n", rf_is_accessible(),
|
|
RF_RADIO_OP_GET_STATUS(cmd_ieee_rx_buf));
|
|
return RF_CMD_OK;
|
|
}
|
|
|
|
if(power_up() != RF_CMD_OK) {
|
|
PRINTF("on: power_up() failed\n");
|
|
return RF_CMD_ERROR;
|
|
}
|
|
|
|
if(apply_patches() != RF_CMD_OK) {
|
|
PRINTF("on: apply_patches() failed\n");
|
|
return RF_CMD_ERROR;
|
|
}
|
|
|
|
init_rx_buffers();
|
|
|
|
setup_interrupts();
|
|
|
|
/*
|
|
* Trigger a switch to the XOSC, so that we can subsequently use the RF FS
|
|
* This will block until the XOSC is actually ready, but give how we
|
|
* requested it early on, this won't be too long a wait/
|
|
*/
|
|
oscillators_switch_to_hf_xosc();
|
|
|
|
if(rf_radio_setup(RF_MODE_IEEE) != RF_CMD_OK) {
|
|
PRINTF("on: radio_setup() failed\n");
|
|
return RF_CMD_ERROR;
|
|
}
|
|
|
|
return rx_on();
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
static int
|
|
off(void)
|
|
{
|
|
/*
|
|
* If we are in the middle of a BLE operation, we got called by ContikiMAC
|
|
* from within an interrupt context. Abort, but pretend everything is OK.
|
|
*/
|
|
#if CC26XX_RF_BLE_SUPPORT
|
|
if(ble_mode_on) {
|
|
PRINTF("off: Interrupt context but BLE in progress\n");
|
|
return RF_CMD_OK;
|
|
}
|
|
#endif
|
|
|
|
while(transmitting());
|
|
|
|
power_down();
|
|
|
|
/* Switch HF clock source to the RCOSC to preserve power */
|
|
oscillators_switch_to_hf_rc();
|
|
|
|
/* We pulled the plug, so we need to restore the status manually */
|
|
GET_FIELD(cmd_ieee_rx_buf, radioOp, status) = IDLE;
|
|
|
|
/*
|
|
* Just in case there was an ongoing RX (which started after we begun the
|
|
* shutdown sequence), we don't want to leave the buffer in state == ongoing
|
|
*/
|
|
GET_FIELD_V(rx_buf_0, dataEntry, status) = DATA_ENTRY_STATUS_PENDING;
|
|
GET_FIELD_V(rx_buf_1, dataEntry, status) = DATA_ENTRY_STATUS_PENDING;
|
|
GET_FIELD_V(rx_buf_2, dataEntry, status) = DATA_ENTRY_STATUS_PENDING;
|
|
GET_FIELD_V(rx_buf_3, dataEntry, status) = DATA_ENTRY_STATUS_PENDING;
|
|
|
|
return RF_CMD_OK;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
static radio_result_t
|
|
get_value(radio_param_t param, radio_value_t *value)
|
|
{
|
|
if(!value) {
|
|
return RADIO_RESULT_INVALID_VALUE;
|
|
}
|
|
|
|
switch(param) {
|
|
case RADIO_PARAM_POWER_MODE:
|
|
/* On / off */
|
|
*value = rf_is_on() ? RADIO_POWER_MODE_ON : RADIO_POWER_MODE_OFF;
|
|
return RADIO_RESULT_OK;
|
|
case RADIO_PARAM_CHANNEL:
|
|
*value = (radio_value_t)GET_FIELD(cmd_ieee_rx_buf, CMD_IEEE_RX, channel);
|
|
return RADIO_RESULT_OK;
|
|
case RADIO_PARAM_PAN_ID:
|
|
*value = (radio_value_t)GET_FIELD(cmd_ieee_rx_buf, CMD_IEEE_RX, localPanID);
|
|
return RADIO_RESULT_OK;
|
|
case RADIO_PARAM_16BIT_ADDR:
|
|
*value = (radio_value_t)GET_FIELD(cmd_ieee_rx_buf, CMD_IEEE_RX, localShortAddr);
|
|
return RADIO_RESULT_OK;
|
|
case RADIO_PARAM_RX_MODE:
|
|
*value = 0;
|
|
if(GET_BITFIELD(cmd_ieee_rx_buf, CMD_IEEE_RX, frameFiltOpt, frameFiltEn)) {
|
|
*value |= RADIO_RX_MODE_ADDRESS_FILTER;
|
|
}
|
|
if(GET_BITFIELD(cmd_ieee_rx_buf, CMD_IEEE_RX, frameFiltOpt, autoAckEn)) {
|
|
*value |= RADIO_RX_MODE_AUTOACK;
|
|
}
|
|
|
|
return RADIO_RESULT_OK;
|
|
case RADIO_PARAM_TXPOWER:
|
|
*value = get_tx_power();
|
|
return RADIO_RESULT_OK;
|
|
case RADIO_PARAM_CCA_THRESHOLD:
|
|
*value = GET_FIELD(cmd_ieee_rx_buf, CMD_IEEE_RX, ccaRssiThr);
|
|
return RADIO_RESULT_OK;
|
|
case RADIO_PARAM_RSSI:
|
|
*value = get_rssi();
|
|
|
|
if(*value == RF_CMD_CCA_REQ_RSSI_UNKNOWN) {
|
|
return RADIO_RESULT_ERROR;
|
|
} else {
|
|
return RADIO_RESULT_OK;
|
|
}
|
|
case RADIO_CONST_CHANNEL_MIN:
|
|
*value = CC26XX_RF_CHANNEL_MIN;
|
|
return RADIO_RESULT_OK;
|
|
case RADIO_CONST_CHANNEL_MAX:
|
|
*value = CC26XX_RF_CHANNEL_MAX;
|
|
return RADIO_RESULT_OK;
|
|
case RADIO_CONST_TXPOWER_MIN:
|
|
*value = OUTPUT_POWER_MIN;
|
|
return RADIO_RESULT_OK;
|
|
case RADIO_CONST_TXPOWER_MAX:
|
|
*value = OUTPUT_POWER_MAX;
|
|
return RADIO_RESULT_OK;
|
|
default:
|
|
return RADIO_RESULT_NOT_SUPPORTED;
|
|
}
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
static radio_result_t
|
|
set_value(radio_param_t param, radio_value_t value)
|
|
{
|
|
uint8_t was_off = 0;
|
|
radio_result_t rv;
|
|
|
|
switch(param) {
|
|
case RADIO_PARAM_POWER_MODE:
|
|
if(value == RADIO_POWER_MODE_ON) {
|
|
if(on() != RF_CMD_OK) {
|
|
PRINTF("set_value: on() failed (1)\n");
|
|
return RADIO_RESULT_ERROR;
|
|
}
|
|
return RADIO_RESULT_OK;
|
|
}
|
|
if(value == RADIO_POWER_MODE_OFF) {
|
|
off();
|
|
return RADIO_RESULT_OK;
|
|
}
|
|
return RADIO_RESULT_INVALID_VALUE;
|
|
case RADIO_PARAM_CHANNEL:
|
|
if(value < CC26XX_RF_CHANNEL_MIN ||
|
|
value > CC26XX_RF_CHANNEL_MAX) {
|
|
return RADIO_RESULT_INVALID_VALUE;
|
|
}
|
|
|
|
GET_FIELD(cmd_ieee_rx_buf, CMD_IEEE_RX, channel) = (uint8_t)value;
|
|
break;
|
|
case RADIO_PARAM_PAN_ID:
|
|
GET_FIELD(cmd_ieee_rx_buf, CMD_IEEE_RX, localPanID) = (uint16_t)value;
|
|
break;
|
|
case RADIO_PARAM_16BIT_ADDR:
|
|
GET_FIELD(cmd_ieee_rx_buf, CMD_IEEE_RX, localShortAddr) = (uint16_t)value;
|
|
break;
|
|
case RADIO_PARAM_RX_MODE:
|
|
{
|
|
if(value & ~(RADIO_RX_MODE_ADDRESS_FILTER |
|
|
RADIO_RX_MODE_AUTOACK)) {
|
|
return RADIO_RESULT_INVALID_VALUE;
|
|
}
|
|
|
|
GET_FIELD(cmd_ieee_rx_buf, CMD_IEEE_RX, frameFiltOpt) =
|
|
BITVALUE(CMD_IEEE_RX, frameFiltOpt, frameFiltEn,
|
|
(value & RADIO_RX_MODE_ADDRESS_FILTER) != 0) |
|
|
BITVALUE(CMD_IEEE_RX, frameFiltOpt, frameFiltStop, 1) |
|
|
BITVALUE(CMD_IEEE_RX, frameFiltOpt, autoAckEn,
|
|
(value & RADIO_RX_MODE_AUTOACK) != 0) |
|
|
BITVALUE(CMD_IEEE_RX, frameFiltOpt, slottedAckEn, 0) |
|
|
BITVALUE(CMD_IEEE_RX, frameFiltOpt, autoPendEn, 0) |
|
|
BITVALUE(CMD_IEEE_RX, frameFiltOpt, defaultPend, 0) |
|
|
BITVALUE(CMD_IEEE_RX, frameFiltOpt, bPendDataReqOnly, 0) |
|
|
BITVALUE(CMD_IEEE_RX, frameFiltOpt, bPanCoord, 0) |
|
|
BITVALUE(CMD_IEEE_RX, frameFiltOpt, bStrictLenFilter, 0);
|
|
|
|
break;
|
|
}
|
|
case RADIO_PARAM_TXPOWER:
|
|
if(value < OUTPUT_POWER_MIN || value > OUTPUT_POWER_MAX) {
|
|
return RADIO_RESULT_INVALID_VALUE;
|
|
}
|
|
|
|
set_tx_power(value);
|
|
|
|
return RADIO_RESULT_OK;
|
|
case RADIO_PARAM_CCA_THRESHOLD:
|
|
GET_FIELD(cmd_ieee_rx_buf, CMD_IEEE_RX, ccaRssiThr) = (int8_t)value;
|
|
break;
|
|
default:
|
|
return RADIO_RESULT_NOT_SUPPORTED;
|
|
}
|
|
|
|
/* If we reach here we had no errors. Apply new settings */
|
|
if(!rf_is_on()) {
|
|
was_off = 1;
|
|
if(on() != RF_CMD_OK) {
|
|
PRINTF("set_value: on() failed (2)\n");
|
|
return RADIO_RESULT_ERROR;
|
|
}
|
|
}
|
|
|
|
if(rx_off() != RF_CMD_OK) {
|
|
PRINTF("set_value: rx_off() failed\n");
|
|
rv = RADIO_RESULT_ERROR;
|
|
}
|
|
|
|
if(rx_on() != RF_CMD_OK) {
|
|
PRINTF("set_value: rx_on() failed\n");
|
|
rv = RADIO_RESULT_ERROR;
|
|
}
|
|
|
|
/* If we were off, turn back off */
|
|
if(was_off) {
|
|
off();
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
static radio_result_t
|
|
get_object(radio_param_t param, void *dest, size_t size)
|
|
{
|
|
uint8_t *target;
|
|
uint8_t *src;
|
|
int i;
|
|
|
|
if(param == RADIO_PARAM_64BIT_ADDR) {
|
|
if(size != 8 || !dest) {
|
|
return RADIO_RESULT_INVALID_VALUE;
|
|
}
|
|
|
|
target = dest;
|
|
src = (uint8_t *)(GET_FIELD_PTR(cmd_ieee_rx_buf, CMD_IEEE_RX, localExtAddr));
|
|
|
|
for(i = 0; i < 8; i++) {
|
|
target[i] = src[7 - i];
|
|
}
|
|
|
|
return RADIO_RESULT_OK;
|
|
}
|
|
return RADIO_RESULT_NOT_SUPPORTED;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
static radio_result_t
|
|
set_object(radio_param_t param, const void *src, size_t size)
|
|
{
|
|
uint8_t was_off = 0;
|
|
radio_result_t rv;
|
|
int i;
|
|
uint8_t *dst;
|
|
|
|
if(param == RADIO_PARAM_64BIT_ADDR) {
|
|
if(size != 8 || !src) {
|
|
return RADIO_RESULT_INVALID_VALUE;
|
|
}
|
|
|
|
dst = (uint8_t *)(GET_FIELD_PTR(cmd_ieee_rx_buf, CMD_IEEE_RX,
|
|
localExtAddr));
|
|
|
|
for(i = 0; i < 8; i++) {
|
|
dst[i] = ((uint8_t *)src)[7 - i];
|
|
}
|
|
|
|
if(!rf_is_on()) {
|
|
was_off = 1;
|
|
if(on() != RF_CMD_OK) {
|
|
PRINTF("set_object: on() failed\n");
|
|
return RADIO_RESULT_ERROR;
|
|
}
|
|
}
|
|
|
|
if(rx_off() != RF_CMD_OK) {
|
|
PRINTF("set_object: rx_off() failed\n");
|
|
rv = RADIO_RESULT_ERROR;
|
|
}
|
|
|
|
if(rx_on() != RF_CMD_OK) {
|
|
PRINTF("set_object: rx_on() failed\n");
|
|
rv = RADIO_RESULT_ERROR;
|
|
}
|
|
|
|
/* If we were off, turn back off */
|
|
if(was_off) {
|
|
off();
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
return RADIO_RESULT_NOT_SUPPORTED;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
const struct radio_driver cc26xx_rf_driver = {
|
|
init,
|
|
prepare,
|
|
transmit,
|
|
send,
|
|
read_frame,
|
|
channel_clear,
|
|
receiving_packet,
|
|
pending_packet,
|
|
on,
|
|
off,
|
|
get_value,
|
|
set_value,
|
|
get_object,
|
|
set_object,
|
|
};
|
|
/*---------------------------------------------------------------------------*/
|
|
PROCESS_THREAD(cc26xx_rf_process, ev, data)
|
|
{
|
|
int len;
|
|
|
|
PROCESS_BEGIN();
|
|
|
|
while(1) {
|
|
PROCESS_WAIT_EVENT();
|
|
do {
|
|
packetbuf_clear();
|
|
len = read_frame(packetbuf_dataptr(), PACKETBUF_SIZE);
|
|
|
|
if(len > 0) {
|
|
packetbuf_set_datalen(len);
|
|
|
|
NETSTACK_RDC.input();
|
|
}
|
|
} while(len > 0);
|
|
}
|
|
PROCESS_END();
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
#if CC26XX_RF_BLE_SUPPORT
|
|
/*---------------------------------------------------------------------------*/
|
|
/**
|
|
* \brief Builds common radio parameters for radio operations
|
|
*
|
|
* \param *cmd Pointer to buffer to add parameters to
|
|
* \param command Radio command number (e.g. COMMAND_RADIO_SETUP)
|
|
*
|
|
* \note The buffer must be emptied with memset() before calling this function
|
|
*
|
|
* \return None
|
|
*/
|
|
static void
|
|
rf_build_ble_radio_op_cmd(uint8_t *cmd, uint16_t command)
|
|
{
|
|
GET_FIELD(cmd, radioOp, commandNo) = command;
|
|
GET_FIELD(cmd, radioOp, status) = IDLE;
|
|
GET_FIELD(cmd, radioOp, pNextOp) = NULL;
|
|
GET_FIELD(cmd, radioOp, startTime) = 0;
|
|
GET_FIELD(cmd, radioOp, startTrigger) = TRIG_NOW;
|
|
GET_FIELD(cmd, radioOp, condition) = COND_NEVER;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
static void
|
|
init_ble()
|
|
{
|
|
ble_mode_on = 0;
|
|
|
|
memset(beacond_config.adv_name, 0, BLE_ADV_NAME_BUF_LEN);
|
|
beacond_config.interval = BLE_ADV_INTERVAL;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
static int
|
|
send_ble_adv_nc(int channel, uint8_t *output, uint8_t *adv_payload,
|
|
int adv_payload_len, uint16_t *dev_address)
|
|
{
|
|
uint32_t cmd_status;
|
|
int ret;
|
|
|
|
/* Erase ble_tx_rx_buf array */
|
|
memset(ble_tx_rx_buf, 0x00, SIZEOF_RADIO_OP(CMD_BLE_ADV_NC));
|
|
rf_build_ble_radio_op_cmd(ble_tx_rx_buf, CMD_BLE_ADV_NC);
|
|
|
|
GET_FIELD(ble_tx_rx_buf, bleRadioOp, channel) = channel;
|
|
GET_FIELD(ble_tx_rx_buf, bleRadioOp, whitening) = 0;
|
|
|
|
memset(ble_cmd_buf, 0x00, SIZEOF_STRUCT(bleAdvPar));
|
|
GET_FIELD(ble_tx_rx_buf, bleRadioOp, pParams) = (uint8_t *)ble_cmd_buf;
|
|
GET_FIELD(ble_tx_rx_buf, bleRadioOp, pOutput) = output;
|
|
|
|
/* Set up BLE Advertisement parameters */
|
|
GET_FIELD(ble_cmd_buf, bleAdvPar, pRxQ) = NULL;
|
|
GET_FIELD(ble_cmd_buf, bleAdvPar, rxConfig) = 0;
|
|
GET_FIELD(ble_cmd_buf, bleAdvPar, advConfig) = 0;
|
|
GET_FIELD(ble_cmd_buf, bleAdvPar, advLen) = adv_payload_len;
|
|
GET_FIELD(ble_cmd_buf, bleAdvPar, scanRspLen) = 0;
|
|
GET_FIELD(ble_cmd_buf, bleAdvPar, pAdvData) = adv_payload;
|
|
GET_FIELD(ble_cmd_buf, bleAdvPar, pScanRspData) = NULL;
|
|
GET_FIELD(ble_cmd_buf, bleAdvPar, pDeviceAddress) = dev_address;
|
|
GET_FIELD(ble_cmd_buf, bleAdvPar, pWhiteList) = NULL;
|
|
GET_FIELD(ble_cmd_buf, bleAdvPar, endTrigger) = TRIG_NEVER;
|
|
GET_FIELD(ble_cmd_buf, bleAdvPar, endTime) = TRIG_NEVER;
|
|
|
|
if(rf_send_cmd((uint32_t)ble_tx_rx_buf, &cmd_status) == RF_CMD_ERROR) {
|
|
PRINTF("send_ble_adv_nc: Chan=%d CMDSTA=0x%08lx, status=0x%04x\n",
|
|
channel, cmd_status, RF_RADIO_OP_GET_STATUS(ble_tx_rx_buf));
|
|
return RF_CMD_ERROR;
|
|
}
|
|
|
|
/* Wait for the ADV_NC to go out */
|
|
while((RF_RADIO_OP_GET_STATUS(ble_tx_rx_buf) & RF_RADIO_OP_MASKED_STATUS)
|
|
== RF_RADIO_OP_MASKED_STATUS_RUNNING);
|
|
|
|
if(RF_RADIO_OP_GET_STATUS(ble_tx_rx_buf) == RF_RADIO_OP_STATUS_BLE_DONE_OK) {
|
|
/* Sent OK */
|
|
ret = RF_CMD_OK;
|
|
} else {
|
|
/* Radio Op completed, but ADV NC was not sent */
|
|
PRINTF("send_ble_adv_nc: Chan=%d CMDSTA=0x%08lx, status=0x%04x\n",
|
|
channel, cmd_status, RF_RADIO_OP_GET_STATUS(ble_tx_rx_buf));
|
|
ret = RF_CMD_ERROR;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
static int
|
|
send_ble_adv(int channel, uint8_t *adv_payload, int adv_payload_len)
|
|
{
|
|
if(send_ble_adv_nc(channel, rf_stats, adv_payload, adv_payload_len,
|
|
(uint16_t *)&linkaddr_node_addr.u8[2]) != RF_CMD_OK) {
|
|
PRINTF("send_ble_adv: Channel=%d, Error advertising\n", channel);
|
|
/* Break the loop, but don't return just yet */
|
|
return RF_CMD_ERROR;
|
|
}
|
|
|
|
return RF_CMD_OK;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
PROCESS_THREAD(cc26xx_rf_ble_beacon_process, ev, data)
|
|
{
|
|
static struct etimer ble_adv_et;
|
|
static uint8_t payload[BLE_ADV_PAYLOAD_BUF_LEN];
|
|
static int p = 0;
|
|
static int i;
|
|
uint8_t was_on;
|
|
int j;
|
|
uint32_t cmd_status;
|
|
bool interrupts_disabled;
|
|
|
|
PROCESS_BEGIN();
|
|
|
|
while(1) {
|
|
etimer_set(&ble_adv_et, beacond_config.interval);
|
|
|
|
PROCESS_WAIT_EVENT();
|
|
|
|
if(ev == PROCESS_EVENT_EXIT) {
|
|
PROCESS_EXIT();
|
|
}
|
|
|
|
/* Set the adv payload each pass: The device name may have changed */
|
|
p = 0;
|
|
|
|
/* device info */
|
|
payload[p++] = 0x02; /* 2 bytes */
|
|
payload[p++] = BLE_ADV_TYPE_DEVINFO;
|
|
payload[p++] = 0x1a; /* LE general discoverable + BR/EDR */
|
|
payload[p++] = 1 + strlen(beacond_config.adv_name);
|
|
payload[p++] = BLE_ADV_TYPE_NAME;
|
|
memcpy(&payload[p], beacond_config.adv_name,
|
|
strlen(beacond_config.adv_name));
|
|
p += strlen(beacond_config.adv_name);
|
|
|
|
for(i = 0; i < BLE_ADV_MESSAGES; i++) {
|
|
/*
|
|
* Under ContikiMAC, some IEEE-related operations will be called from an
|
|
* interrupt context. We need those to see that we are in BLE mode.
|
|
*/
|
|
interrupts_disabled = ti_lib_int_master_disable();
|
|
ble_mode_on = 1;
|
|
if(!interrupts_disabled) {
|
|
ti_lib_int_master_enable();
|
|
}
|
|
|
|
/*
|
|
* Send BLE_ADV_MESSAGES beacon bursts. Each burst on all three
|
|
* channels, with a BLE_ADV_DUTY_CYCLE interval between bursts
|
|
*
|
|
* First, determine our state:
|
|
*
|
|
* If we are running NullRDC, we are likely in IEEE RX mode. We need to
|
|
* abort the IEEE BG Op before entering BLE mode.
|
|
* If we are ContikiMAC, we are likely off, in which case we need to
|
|
* boot the CPE before entering BLE mode
|
|
*/
|
|
was_on = rf_is_accessible();
|
|
|
|
if(was_on) {
|
|
/*
|
|
* We were on: If we are in the process of receiving an IEEE frame,
|
|
* abort the BLE beacon burst. Otherwise, terminate the IEEE BG Op
|
|
* so we can switch to BLE mode
|
|
*/
|
|
if(receiving_packet()) {
|
|
PRINTF("cc26xx_rf_ble_beacon_process: We were receiving\n");
|
|
|
|
/* Abort this pass */
|
|
break;
|
|
}
|
|
|
|
if(rx_off() != RF_CMD_OK) {
|
|
PRINTF("cc26xx_rf_ble_beacon_process: rx_off() failed\n");
|
|
|
|
/* Abort this pass */
|
|
break;
|
|
}
|
|
} else {
|
|
/* Request the HF XOSC to source the HF clock. */
|
|
oscillators_request_hf_xosc();
|
|
|
|
/* We were off: Boot the CPE */
|
|
if(power_up() != RF_CMD_OK) {
|
|
PRINTF("cc26xx_rf_ble_beacon_process: power_up() failed\n");
|
|
|
|
/* Abort this pass */
|
|
break;
|
|
}
|
|
|
|
if(apply_patches() != RF_CMD_OK) {
|
|
PRINTF("cc26xx_rf_ble_beacon_process: apply_patches() failed\n");
|
|
|
|
/* Abort this pass */
|
|
break;
|
|
}
|
|
|
|
/* Trigger a switch to the XOSC, so that we can use the FS */
|
|
oscillators_switch_to_hf_xosc();
|
|
}
|
|
|
|
/* Enter BLE mode */
|
|
if(rf_radio_setup(RF_MODE_BLE) != RF_CMD_OK) {
|
|
PRINTF("cc26xx_rf_ble_beacon_process: Error entering BLE mode\n");
|
|
/* Continue so we can at least try to restore our previous state */
|
|
} else {
|
|
/* Send advertising packets on all 3 advertising channels */
|
|
for(j = 37; j <= 39; j++) {
|
|
if(send_ble_adv(j, payload, p) != RF_CMD_OK) {
|
|
PRINTF("cc26xx_rf_ble_beacon_process: Channel=%d,"
|
|
"Error advertising\n", j);
|
|
/* Break the loop, but don't return just yet */
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Send a CMD_STOP command to RF Core */
|
|
if(rf_send_cmd(CMDR_DIR_CMD(CMD_STOP), &cmd_status) != RF_CMD_OK) {
|
|
PRINTF("cc26xx_rf_ble_beacon_process: status=0x%08lx\n", cmd_status);
|
|
/* Continue... */
|
|
}
|
|
|
|
if(was_on) {
|
|
/* We were on, go back to IEEE mode */
|
|
if(rf_radio_setup(RF_MODE_IEEE) != RF_CMD_OK) {
|
|
PRINTF("cc26xx_rf_ble_beacon_process: radio_setup() failed\n");
|
|
}
|
|
|
|
/* Enter IEEE RX mode */
|
|
if(rx_on() != RF_CMD_OK) {
|
|
PRINTF("cc26xx_rf_ble_beacon_process: rx_on() failed\n");
|
|
}
|
|
} else {
|
|
power_down();
|
|
|
|
/* Switch HF clock source to the RCOSC to preserve power */
|
|
oscillators_switch_to_hf_rc();
|
|
}
|
|
etimer_set(&ble_adv_et, BLE_ADV_DUTY_CYCLE);
|
|
|
|
interrupts_disabled = ti_lib_int_master_disable();
|
|
|
|
ble_mode_on = 0;
|
|
|
|
if(!interrupts_disabled) {
|
|
ti_lib_int_master_enable();
|
|
}
|
|
|
|
/* Wait unless this is the last burst */
|
|
if(i < BLE_ADV_MESSAGES - 1) {
|
|
PROCESS_WAIT_EVENT();
|
|
}
|
|
}
|
|
|
|
interrupts_disabled = ti_lib_int_master_disable();
|
|
|
|
ble_mode_on = 0;
|
|
|
|
if(!interrupts_disabled) {
|
|
ti_lib_int_master_enable();
|
|
}
|
|
}
|
|
PROCESS_END();
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
#endif /* CC26XX_RF_BLE_SUPPORT */
|
|
/*---------------------------------------------------------------------------*/
|
|
void
|
|
cc26xx_rf_ble_beacond_config(clock_time_t interval, const char *name)
|
|
{
|
|
#if CC26XX_RF_BLE_SUPPORT
|
|
if(name != NULL) {
|
|
memset(beacond_config.adv_name, 0, BLE_ADV_NAME_BUF_LEN);
|
|
|
|
if(strlen(name) == 0 || strlen(name) >= BLE_ADV_NAME_BUF_LEN) {
|
|
return;
|
|
}
|
|
|
|
memcpy(beacond_config.adv_name, name, strlen(name));
|
|
}
|
|
|
|
if(interval != 0) {
|
|
beacond_config.interval = interval;
|
|
}
|
|
#endif
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
uint8_t
|
|
cc26xx_rf_ble_beacond_start()
|
|
{
|
|
#if CC26XX_RF_BLE_SUPPORT
|
|
if(beacond_config.adv_name[0] == 0) {
|
|
return RF_CMD_ERROR;
|
|
}
|
|
|
|
process_start(&cc26xx_rf_ble_beacon_process, NULL);
|
|
|
|
return RF_CMD_OK;
|
|
#else
|
|
return RF_CMD_ERROR;
|
|
#endif
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
void
|
|
cc26xx_rf_ble_beacond_stop()
|
|
{
|
|
#if CC26XX_RF_BLE_SUPPORT
|
|
process_exit(&cc26xx_rf_ble_beacon_process);
|
|
#endif
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
/** @} */
|