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1393 lines
40 KiB
C
1393 lines
40 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 rf-core
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* @{
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*
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* \defgroup rf-core-ieee CC13xx/CC26xx IEEE mode driver
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*
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* @{
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*
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* \file
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* Implementation of the CC13xx/CC26xx IEEE mode NETSTACK_RADIO 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-uart.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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#include "rf-core/rf-core.h"
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#include "rf-core/rf-ble.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 "rf-core/api/mailbox.h"
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#include "rf-core/api/common_cmd.h"
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#include "rf-core/api/ieee_cmd.h"
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#include "rf-core/api/data_entry.h"
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#include "rf-core/api/ieee_mailbox.h"
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/*---------------------------------------------------------------------------*/
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#include "smartrf-settings.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 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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/* Configuration to enable/disable auto ACKs in IEEE mode */
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#ifdef IEEE_MODE_CONF_AUTOACK
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#define IEEE_MODE_AUTOACK IEEE_MODE_CONF_AUTOACK
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#else
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#define IEEE_MODE_AUTOACK 1
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#endif /* IEEE_MODE_CONF_AUTOACK */
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/* Configuration to enable/disable frame filtering in IEEE mode */
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#ifdef IEEE_MODE_CONF_PROMISCOUS
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#define IEEE_MODE_PROMISCOUS IEEE_MODE_CONF_PROMISCOUS
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#else
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#define IEEE_MODE_PROMISCOUS 0
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#endif /* IEEE_MODE_CONF_PROMISCOUS */
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#ifdef IEEE_MODE_CONF_RSSI_THRESHOLD
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#define IEEE_MODE_RSSI_THRESHOLD IEEE_MODE_CONF_RSSI_THRESHOLD
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#else
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#define IEEE_MODE_RSSI_THRESHOLD 0xA6
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#endif /* IEEE_MODE_CONF_RSSI_THRESHOLD */
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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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/* 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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/**
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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) (((rfc_radioOp_t *)a)->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 IEEE_MODE_CHANNEL_MIN 11
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#define IEEE_MODE_CHANNEL_MAX 26
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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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uint8_t temp_coeff;
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} output_config_t;
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static const output_config_t output_power[] = {
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{ 5, 0x30, 0x00, 0x93 },
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{ 4, 0x24, 0x00, 0x93 },
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{ 3, 0x1c, 0x00, 0x5a },
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{ 2, 0x18, 0x00, 0x4e },
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{ 1, 0x14, 0x00, 0x42 },
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{ 0, 0x21, 0x01, 0x31 },
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{ -3, 0x18, 0x01, 0x25 },
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{ -6, 0x11, 0x01, 0x1d },
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{ -9, 0x0e, 0x01, 0x19 },
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{-12, 0x0b, 0x01, 0x14 },
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{-15, 0x0b, 0x03, 0x0c },
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{-18, 0x09, 0x03, 0x0c },
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{-21, 0x07, 0x03, 0x0c },
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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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const output_config_t *tx_power_current = &output_power[0];
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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(4);
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/*---------------------------------------------------------------------------*/
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#define DATA_ENTRY_LENSZ_NONE 0
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#define DATA_ENTRY_LENSZ_BYTE 1
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#define DATA_ENTRY_LENSZ_WORD 2 /* 2 bytes */
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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(4);
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static uint8_t rx_buf_1[RX_BUF_SIZE] CC_ALIGN(4);
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static uint8_t rx_buf_2[RX_BUF_SIZE] CC_ALIGN(4);
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static uint8_t rx_buf_3[RX_BUF_SIZE] CC_ALIGN(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_PAYLOAD_LEN 180
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#define TX_BUF_HDR_LEN 2
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static uint8_t tx_buf[TX_BUF_HDR_LEN + TX_BUF_PAYLOAD_LEN] CC_ALIGN(4);
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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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static int on(void);
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static int off(void);
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/*---------------------------------------------------------------------------*/
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/**
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* \brief Checks whether the RFC domain is accessible and the RFC is in IEEE RX
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* \return 1: RFC in RX mode (and therefore accessible too). 0 otherwise
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*/
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static uint8_t
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rf_is_on(void)
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{
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if(!rf_core_is_accessible()) {
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return 0;
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}
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return RF_RADIO_OP_GET_STATUS(cmd_ieee_rx_buf) == RF_CORE_RADIO_OP_STATUS_ACTIVE;
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}
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/*---------------------------------------------------------------------------*/
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/**
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* \brief Check the RF's TX status
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* \return 1 RF is transmitting
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* \return 0 RF is not transmitting
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*
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* TX mode may be triggered either by a CMD_IEEE_TX or by the automatic
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* transmission of an ACK frame.
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*/
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static uint8_t
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transmitting(void)
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{
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uint32_t cmd_status;
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rfc_CMD_IEEE_CCA_REQ_t cmd;
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/* If we are off, we are not in TX */
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if(!rf_core_is_accessible()) {
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return 0;
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}
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memset(&cmd, 0x00, sizeof(cmd));
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cmd.commandNo = CMD_IEEE_CCA_REQ;
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if(rf_core_send_cmd((uint32_t)&cmd, &cmd_status) == RF_CORE_CMD_ERROR) {
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PRINTF("transmitting: CMDSTA=0x%08lx\n", cmd_status);
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return 0;
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}
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if((cmd.currentRssi == RF_CMD_CCA_REQ_RSSI_UNKNOWN) &&
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(cmd.ccaInfo.ccaEnergy == RF_CMD_CCA_REQ_CCA_STATE_BUSY)) {
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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 Returns CCA information
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* \return RF_GET_CCA_INFO_ERROR if the RF was not on
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* \return On success, the return value is formatted as per the ccaInfo field
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* of CMD_IEEE_CCA_REQ
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*
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* It is the caller's responsibility to make sure the RF is on. This function
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* will return RF_GET_CCA_INFO_ERROR if the RF is off
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*
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* This function will in fact wait for a valid RSSI signal
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*/
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static uint8_t
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get_cca_info(void)
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{
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uint32_t cmd_status;
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int8_t rssi;
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rfc_CMD_IEEE_CCA_REQ_t cmd;
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if(!rf_is_on()) {
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PRINTF("get_cca_info: Not on\n");
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return RF_GET_CCA_INFO_ERROR;
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}
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rssi = RF_CMD_CCA_REQ_RSSI_UNKNOWN;
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while(rssi == RF_CMD_CCA_REQ_RSSI_UNKNOWN || rssi == 0) {
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memset(&cmd, 0x00, sizeof(cmd));
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cmd.commandNo = CMD_IEEE_CCA_REQ;
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if(rf_core_send_cmd((uint32_t)&cmd, &cmd_status) == RF_CORE_CMD_ERROR) {
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PRINTF("get_cca_info: CMDSTA=0x%08lx\n", cmd_status);
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return RF_GET_CCA_INFO_ERROR;
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}
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rssi = cmd.currentRssi;
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}
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/* We have a valid RSSI signal. Return the CCA Info */
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return *((uint8_t *)&cmd.ccaInfo);
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}
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/*---------------------------------------------------------------------------*/
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/**
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* \brief Reads the current signal strength (RSSI)
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* \return The current RSSI in dBm or CMD_GET_RSSI_UNKNOWN
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*
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* This function reads the current RSSI on the currently configured
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* channel.
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*/
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static radio_value_t
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get_rssi(void)
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{
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uint32_t cmd_status;
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int8_t rssi;
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uint8_t was_off = 0;
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rfc_CMD_GET_RSSI_t cmd;
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/* If we are off, turn on first */
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if(!rf_is_on()) {
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was_off = 1;
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if(on() != RF_CORE_CMD_OK) {
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PRINTF("get_rssi: on() failed\n");
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return RF_CMD_CCA_REQ_RSSI_UNKNOWN;
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}
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}
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memset(&cmd, 0x00, sizeof(cmd));
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cmd.commandNo = CMD_GET_RSSI;
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rssi = RF_CMD_CCA_REQ_RSSI_UNKNOWN;
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if(rf_core_send_cmd((uint32_t)&cmd, &cmd_status) == RF_CORE_CMD_OK) {
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/* Current RSSI in bits 23:16 of cmd_status */
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rssi = (cmd_status >> 16) & 0xFF;
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}
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/* If we were off, turn back off */
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if(was_off) {
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off();
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}
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return rssi;
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}
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/*---------------------------------------------------------------------------*/
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/* Returns the current TX power in dBm */
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static radio_value_t
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get_tx_power(void)
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{
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return tx_power_current->dbm;
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}
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/*---------------------------------------------------------------------------*/
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/*
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* Set TX power to 'at least' power dBm
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* This works with a lookup table. If the value of 'power' does not exist in
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* the lookup table, TXPOWER will be set to the immediately higher available
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* value
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*/
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static void
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set_tx_power(radio_value_t power)
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{
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uint32_t cmd_status;
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int i;
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rfc_CMD_SET_TX_POWER_t cmd;
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/* First, find the correct setting and save it */
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for(i = OUTPUT_CONFIG_COUNT - 1; i >= 0; --i) {
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if(power <= output_power[i].dbm) {
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tx_power_current = &output_power[i];
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break;
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}
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}
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/*
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* If the core is not accessible, the new setting will be applied next
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* time we send CMD_RADIO_SETUP, so we don't need to do anything further.
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* If the core is accessible, we can apply the new setting immediately with
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* CMD_SET_TX_POWER
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*/
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if(rf_core_is_accessible() == RF_CORE_NOT_ACCESSIBLE) {
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return;
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}
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memset(&cmd, 0x00, sizeof(cmd));
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cmd.commandNo = CMD_SET_TX_POWER;
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cmd.txPower.IB = output_power[i].register_ib;
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cmd.txPower.GC = output_power[i].register_gc;
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cmd.txPower.tempCoeff = output_power[i].temp_coeff;
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if(rf_core_send_cmd((uint32_t)&cmd, &cmd_status) == RF_CORE_CMD_ERROR) {
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PRINTF("set_tx_power: CMDSTA=0x%08lx\n", cmd_status);
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}
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}
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/*---------------------------------------------------------------------------*/
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static uint8_t
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rf_radio_setup()
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{
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uint32_t cmd_status;
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rfc_CMD_RADIO_SETUP_t cmd;
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/* Create radio setup command */
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rf_core_init_radio_op((rfc_radioOp_t *)&cmd, sizeof(cmd), CMD_RADIO_SETUP);
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cmd.txPower.IB = tx_power_current->register_ib;
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cmd.txPower.GC = tx_power_current->register_gc;
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cmd.txPower.tempCoeff = tx_power_current->temp_coeff;
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cmd.pRegOverride = ieee_overrides;
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cmd.mode = 1;
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/* Send Radio setup to RF Core */
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if(rf_core_send_cmd((uint32_t)&cmd, &cmd_status) != RF_CORE_CMD_OK) {
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PRINTF("rf_radio_setup: CMD_RADIO_SETUP, CMDSTA=0x%08lx, status=0x%04x\n",
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cmd_status, cmd.status);
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return RF_CORE_CMD_ERROR;
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}
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/* Wait until radio setup is done */
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if(rf_core_wait_cmd_done(&cmd) != RF_CORE_CMD_OK) {
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PRINTF("rf_radio_setup: CMD_RADIO_SETUP wait, CMDSTA=0x%08lx, status=0x%04x\n",
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cmd_status, cmd.status);
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return RF_CORE_CMD_ERROR;
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}
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return RF_CORE_CMD_OK;
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}
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/*---------------------------------------------------------------------------*/
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/**
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* \brief Set up radio in IEEE802.15.4 RX mode
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*
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|
* \return RF_CORE_CMD_OK Succeeded
|
|
* \return RF_CORE_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_core_send_cmd((uint32_t)cmd_ieee_rx_buf, &cmd_status);
|
|
|
|
if(ret != RF_CORE_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));
|
|
return RF_CORE_CMD_ERROR;
|
|
}
|
|
|
|
t0 = RTIMER_NOW();
|
|
|
|
while(RF_RADIO_OP_GET_STATUS(cmd_ieee_rx_buf) != RF_CORE_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_CORE_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_CORE_CMD_ERROR;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
static void
|
|
init_rx_buffers(void)
|
|
{
|
|
rfc_dataEntry_t *entry;
|
|
|
|
entry = (rfc_dataEntry_t *)rx_buf_0;
|
|
entry->pNextEntry = rx_buf_1;
|
|
entry->config.lenSz = DATA_ENTRY_LENSZ_BYTE;
|
|
entry->length = sizeof(rx_buf_0) - 8;
|
|
|
|
entry = (rfc_dataEntry_t *)rx_buf_1;
|
|
entry->pNextEntry = rx_buf_2;
|
|
entry->config.lenSz = DATA_ENTRY_LENSZ_BYTE;
|
|
entry->length = sizeof(rx_buf_0) - 8;
|
|
|
|
entry = (rfc_dataEntry_t *)rx_buf_2;
|
|
entry->pNextEntry = rx_buf_3;
|
|
entry->config.lenSz = DATA_ENTRY_LENSZ_BYTE;
|
|
entry->length = sizeof(rx_buf_0) - 8;
|
|
|
|
entry = (rfc_dataEntry_t *)rx_buf_3;
|
|
entry->pNextEntry = rx_buf_0;
|
|
entry->config.lenSz = DATA_ENTRY_LENSZ_BYTE;
|
|
entry->length = sizeof(rx_buf_0) - 8;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
static void
|
|
init_rf_params(void)
|
|
{
|
|
rfc_CMD_IEEE_RX_t *cmd = (rfc_CMD_IEEE_RX_t *)cmd_ieee_rx_buf;
|
|
|
|
memset(cmd_ieee_rx_buf, 0x00, RF_CMD_BUFFER_SIZE);
|
|
|
|
cmd->commandNo = CMD_IEEE_RX;
|
|
cmd->status = RF_CORE_RADIO_OP_STATUS_IDLE;
|
|
cmd->pNextOp = NULL;
|
|
cmd->startTime = 0x00000000;
|
|
cmd->startTrigger.triggerType = TRIG_NOW;
|
|
cmd->condition.rule = COND_NEVER;
|
|
cmd->channel = RF_CORE_CHANNEL;
|
|
|
|
cmd->rxConfig.bAutoFlushCrc = 1;
|
|
cmd->rxConfig.bAutoFlushIgn = 0;
|
|
cmd->rxConfig.bIncludePhyHdr = 0;
|
|
cmd->rxConfig.bIncludeCrc = 1;
|
|
cmd->rxConfig.bAppendRssi = 1;
|
|
cmd->rxConfig.bAppendCorrCrc = 1;
|
|
cmd->rxConfig.bAppendSrcInd = 0;
|
|
cmd->rxConfig.bAppendTimestamp = 0;
|
|
|
|
cmd->pRxQ = &rx_data_queue;
|
|
cmd->pOutput = (rfc_ieeeRxOutput_t *)rf_stats;
|
|
|
|
#if IEEE_MODE_PROMISCOUS
|
|
cmd->frameFiltOpt.frameFiltEn = 0;
|
|
#else
|
|
cmd->frameFiltOpt.frameFiltEn = 1;
|
|
#endif
|
|
|
|
cmd->frameFiltOpt.frameFiltStop = 1;
|
|
|
|
#if IEEE_MODE_AUTOACK
|
|
cmd->frameFiltOpt.autoAckEn = 1;
|
|
#else
|
|
cmd->frameFiltOpt.autoAckEn = 0;
|
|
#endif
|
|
|
|
cmd->frameFiltOpt.slottedAckEn = 0;
|
|
cmd->frameFiltOpt.autoPendEn = 0;
|
|
cmd->frameFiltOpt.defaultPend = 0;
|
|
cmd->frameFiltOpt.bPendDataReqOnly = 0;
|
|
cmd->frameFiltOpt.bPanCoord = 0;
|
|
cmd->frameFiltOpt.maxFrameVersion = 1;
|
|
cmd->frameFiltOpt.bStrictLenFilter = 0;
|
|
|
|
/* Receive all frame types */
|
|
cmd->frameTypes.bAcceptFt0Beacon = 1;
|
|
cmd->frameTypes.bAcceptFt1Data = 1;
|
|
cmd->frameTypes.bAcceptFt2Ack = 1;
|
|
cmd->frameTypes.bAcceptFt3MacCmd = 1;
|
|
cmd->frameTypes.bAcceptFt4Reserved = 1;
|
|
cmd->frameTypes.bAcceptFt5Reserved = 1;
|
|
cmd->frameTypes.bAcceptFt6Reserved = 1;
|
|
cmd->frameTypes.bAcceptFt7Reserved = 1;
|
|
|
|
/* Configure CCA settings */
|
|
cmd->ccaOpt.ccaEnEnergy = 1;
|
|
cmd->ccaOpt.ccaEnCorr = 1;
|
|
cmd->ccaOpt.ccaEnSync = 0;
|
|
cmd->ccaOpt.ccaCorrOp = 1;
|
|
cmd->ccaOpt.ccaSyncOp = 1;
|
|
cmd->ccaOpt.ccaCorrThr = 3;
|
|
|
|
cmd->ccaRssiThr = IEEE_MODE_RSSI_THRESHOLD;
|
|
|
|
cmd->numExtEntries = 0x00;
|
|
cmd->numShortEntries = 0x00;
|
|
cmd->pExtEntryList = 0;
|
|
cmd->pShortEntryList = 0;
|
|
|
|
cmd->endTrigger.triggerType = TRIG_NEVER;
|
|
cmd->endTime = 0x00000000;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
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_core_is_accessible(),
|
|
RF_RADIO_OP_GET_STATUS(cmd_ieee_rx_buf));
|
|
return RF_CORE_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_CORE_CMD_OK;
|
|
}
|
|
|
|
/* Wait for ongoing ACK TX to finish */
|
|
while(transmitting());
|
|
|
|
/* Send a CMD_ABORT command to RF Core */
|
|
if(rf_core_send_cmd(CMDR_DIR_CMD(CMD_ABORT), &cmd_status) != RF_CORE_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_CORE_CMD_OK;
|
|
} else {
|
|
PRINTF("RX off: BG status=0x%04x\n", RF_RADIO_OP_GET_STATUS(cmd_ieee_rx_buf));
|
|
ret = RF_CORE_CMD_ERROR;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
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 void
|
|
soft_off(void)
|
|
{
|
|
uint32_t cmd_status;
|
|
volatile rfc_radioOp_t *cmd = rf_core_get_last_radio_op();
|
|
|
|
if(!rf_core_is_accessible()) {
|
|
return;
|
|
}
|
|
|
|
PRINTF("soft_off: Aborting 0x%04x, Status=0x%04x\n", cmd->commandNo,
|
|
cmd->status);
|
|
|
|
/* Send a CMD_ABORT command to RF Core */
|
|
if(rf_core_send_cmd(CMDR_DIR_CMD(CMD_ABORT), &cmd_status) != RF_CORE_CMD_OK) {
|
|
PRINTF("soft_off: CMD_ABORT status=0x%08lx\n", cmd_status);
|
|
return;
|
|
}
|
|
|
|
while((cmd->status & RF_CORE_RADIO_OP_MASKED_STATUS) ==
|
|
RF_CORE_RADIO_OP_MASKED_STATUS_RUNNING);
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
static uint8_t
|
|
soft_on(void)
|
|
{
|
|
if(rf_radio_setup() != RF_CORE_CMD_OK) {
|
|
PRINTF("on: radio_setup() failed\n");
|
|
return RF_CORE_CMD_ERROR;
|
|
}
|
|
|
|
return rx_on();
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
static const rf_core_primary_mode_t mode_ieee = {
|
|
soft_off,
|
|
soft_on,
|
|
};
|
|
/*---------------------------------------------------------------------------*/
|
|
static int
|
|
init(void)
|
|
{
|
|
lpm_register_module(&cc26xx_rf_lpm_module);
|
|
|
|
rf_core_set_modesel();
|
|
|
|
/* 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_CORE_CMD_OK) {
|
|
PRINTF("init: on() failed\n");
|
|
return RF_CORE_CMD_ERROR;
|
|
}
|
|
|
|
ENERGEST_ON(ENERGEST_TYPE_LISTEN);
|
|
|
|
rf_core_primary_mode_register(&mode_ieee);
|
|
|
|
process_start(&rf_core_process, NULL);
|
|
return 1;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
static int
|
|
prepare(const void *payload, unsigned short payload_len)
|
|
{
|
|
int len = MIN(payload_len, TX_BUF_PAYLOAD_LEN);
|
|
|
|
memcpy(&tx_buf[TX_BUF_HDR_LEN], payload, len);
|
|
return RF_CORE_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;
|
|
volatile rfc_CMD_IEEE_TX_t cmd;
|
|
|
|
if(!rf_is_on()) {
|
|
was_off = 1;
|
|
if(on() != RF_CORE_CMD_OK) {
|
|
PRINTF("transmit: on() failed\n");
|
|
return RADIO_TX_ERR;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* 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 */
|
|
rf_core_init_radio_op((rfc_radioOp_t *)&cmd, sizeof(cmd), CMD_IEEE_TX);
|
|
|
|
cmd.payloadLen = transmit_len;
|
|
cmd.pPayload = &tx_buf[TX_BUF_HDR_LEN];
|
|
|
|
/* Enable the LAST_FG_COMMAND_DONE interrupt, which will wake us up */
|
|
rf_core_cmd_done_en(true);
|
|
|
|
ret = rf_core_send_cmd((uint32_t)&cmd, &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((cmd.status & RF_CORE_RADIO_OP_MASKED_STATUS)
|
|
== RF_CORE_RADIO_OP_MASKED_STATUS_RUNNING) {
|
|
lpm_sleep();
|
|
}
|
|
|
|
stat = cmd.status;
|
|
|
|
if(stat == RF_CORE_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, cmd.status);
|
|
|
|
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
|
|
*/
|
|
rf_core_cmd_done_dis();
|
|
|
|
|
|
if(was_off) {
|
|
off();
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
static int
|
|
send(const void *payload, unsigned short payload_len)
|
|
{
|
|
prepare(payload, payload_len);
|
|
return transmit(payload_len);
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
static void
|
|
release_data_entry(void)
|
|
{
|
|
rfc_dataEntryGeneral_t *entry = (rfc_dataEntryGeneral_t *)rx_read_entry;
|
|
|
|
/* Clear the length byte */
|
|
rx_read_entry[8] = 0;
|
|
|
|
/* Set status to 0 "Pending" in element */
|
|
entry->status = DATA_ENTRY_STATUS_PENDING;
|
|
rx_read_entry = entry->pNextEntry;
|
|
}/*---------------------------------------------------------------------------*/
|
|
static int
|
|
read_frame(void *buf, unsigned short buf_len)
|
|
{
|
|
int8_t rssi;
|
|
int len = 0;
|
|
rfc_dataEntryGeneral_t *entry = (rfc_dataEntryGeneral_t *)rx_read_entry;
|
|
|
|
if(entry->status != DATA_ENTRY_STATUS_FINISHED) {
|
|
/* No available data */
|
|
return 0;
|
|
}
|
|
|
|
if(rx_read_entry[8] < 4) {
|
|
PRINTF("RF: too short\n");
|
|
RIMESTATS_ADD(tooshort);
|
|
|
|
release_data_entry();
|
|
return 0;
|
|
}
|
|
|
|
len = rx_read_entry[8] - 4;
|
|
|
|
if(len > buf_len) {
|
|
PRINTF("RF: too long\n");
|
|
RIMESTATS_ADD(toolong);
|
|
|
|
release_data_entry();
|
|
return 0;
|
|
}
|
|
|
|
memcpy(buf, (char *)&rx_read_entry[9], len);
|
|
|
|
rssi = (int8_t)rx_read_entry[9 + len + 2];
|
|
|
|
packetbuf_set_attr(PACKETBUF_ATTR_RSSI, rssi);
|
|
RIMESTATS_ADD(llrx);
|
|
|
|
release_data_entry();
|
|
|
|
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(rf_ble_is_active() == RF_BLE_ACTIVE) {
|
|
PRINTF("channel_clear: Interrupt context but BLE in progress\n");
|
|
return RF_CCA_CLEAR;
|
|
}
|
|
|
|
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_CORE_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 we are in the middle of a BLE operation, we got called by ContikiMAC
|
|
* from within an interrupt context. We are not receiving
|
|
*/
|
|
if(rf_ble_is_active() == RF_BLE_ACTIVE) {
|
|
PRINTF("receiving_packet: Interrupt context but BLE in progress\n");
|
|
return 0;
|
|
}
|
|
|
|
/* 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 rfc_dataEntry_t *entry = (rfc_dataEntry_t *)rx_data_queue.pCurrEntry;
|
|
int rv = 0;
|
|
|
|
/* Go through all RX buffers and check their status */
|
|
do {
|
|
if(entry->status == DATA_ENTRY_STATUS_FINISHED) {
|
|
rv = 1;
|
|
process_poll(&rf_core_process);
|
|
}
|
|
|
|
entry = (rfc_dataEntry_t *)entry->pNextEntry;
|
|
} while(entry != (rfc_dataEntry_t *)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(rf_ble_is_active() == RF_BLE_ACTIVE) {
|
|
PRINTF("on: Interrupt context but BLE in progress\n");
|
|
return RF_CORE_CMD_OK;
|
|
}
|
|
|
|
if(rf_is_on()) {
|
|
PRINTF("on: We were on. PD=%u, RX=0x%04x \n", rf_core_is_accessible(),
|
|
RF_RADIO_OP_GET_STATUS(cmd_ieee_rx_buf));
|
|
return RF_CORE_CMD_OK;
|
|
}
|
|
|
|
if(rf_core_boot() != RF_CORE_CMD_OK) {
|
|
PRINTF("on: rf_core_boot() failed\n");
|
|
return RF_CORE_CMD_ERROR;
|
|
}
|
|
|
|
init_rx_buffers();
|
|
|
|
rf_core_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_CORE_CMD_OK) {
|
|
PRINTF("on: radio_setup() failed\n");
|
|
return RF_CORE_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(rf_ble_is_active() == RF_BLE_ACTIVE) {
|
|
PRINTF("off: Interrupt context but BLE in progress\n");
|
|
return RF_CORE_CMD_OK;
|
|
}
|
|
|
|
while(transmitting());
|
|
|
|
/* stopping the rx explicitly results in lower sleep-mode power usage */
|
|
rx_off();
|
|
rf_core_power_down();
|
|
|
|
ENERGEST_OFF(ENERGEST_TYPE_LISTEN);
|
|
|
|
/* 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 */
|
|
((rfc_CMD_IEEE_RX_t *)cmd_ieee_rx_buf)->status = RF_CORE_RADIO_OP_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
|
|
*/
|
|
((rfc_dataEntry_t *)rx_buf_0)->status = DATA_ENTRY_STATUS_PENDING;
|
|
((rfc_dataEntry_t *)rx_buf_1)->status = DATA_ENTRY_STATUS_PENDING;
|
|
((rfc_dataEntry_t *)rx_buf_2)->status = DATA_ENTRY_STATUS_PENDING;
|
|
((rfc_dataEntry_t *)rx_buf_3)->status = DATA_ENTRY_STATUS_PENDING;
|
|
|
|
return RF_CORE_CMD_OK;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
static radio_result_t
|
|
get_value(radio_param_t param, radio_value_t *value)
|
|
{
|
|
rfc_CMD_IEEE_RX_t *cmd = (rfc_CMD_IEEE_RX_t *)cmd_ieee_rx_buf;
|
|
|
|
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)cmd->channel;
|
|
return RADIO_RESULT_OK;
|
|
case RADIO_PARAM_PAN_ID:
|
|
*value = (radio_value_t)cmd->localPanID;
|
|
return RADIO_RESULT_OK;
|
|
case RADIO_PARAM_16BIT_ADDR:
|
|
*value = (radio_value_t)cmd->localShortAddr;
|
|
return RADIO_RESULT_OK;
|
|
case RADIO_PARAM_RX_MODE:
|
|
*value = 0;
|
|
if(cmd->frameFiltOpt.frameFiltEn) {
|
|
*value |= RADIO_RX_MODE_ADDRESS_FILTER;
|
|
}
|
|
if(cmd->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 = cmd->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 = IEEE_MODE_CHANNEL_MIN;
|
|
return RADIO_RESULT_OK;
|
|
case RADIO_CONST_CHANNEL_MAX:
|
|
*value = IEEE_MODE_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 = RADIO_RESULT_OK;
|
|
rfc_CMD_IEEE_RX_t *cmd = (rfc_CMD_IEEE_RX_t *)cmd_ieee_rx_buf;
|
|
|
|
switch(param) {
|
|
case RADIO_PARAM_POWER_MODE:
|
|
if(value == RADIO_POWER_MODE_ON) {
|
|
if(on() != RF_CORE_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 < IEEE_MODE_CHANNEL_MIN ||
|
|
value > IEEE_MODE_CHANNEL_MAX) {
|
|
return RADIO_RESULT_INVALID_VALUE;
|
|
}
|
|
|
|
if(cmd->channel == (uint8_t)value) {
|
|
/* We already have that very same channel configured.
|
|
* Nothing to do here. */
|
|
return RADIO_RESULT_OK;
|
|
}
|
|
|
|
cmd->channel = (uint8_t)value;
|
|
break;
|
|
case RADIO_PARAM_PAN_ID:
|
|
cmd->localPanID = (uint16_t)value;
|
|
break;
|
|
case RADIO_PARAM_16BIT_ADDR:
|
|
cmd->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;
|
|
}
|
|
|
|
cmd->frameFiltOpt.frameFiltEn = (value & RADIO_RX_MODE_ADDRESS_FILTER) != 0;
|
|
cmd->frameFiltOpt.frameFiltStop = 1;
|
|
cmd->frameFiltOpt.autoAckEn = (value & RADIO_RX_MODE_AUTOACK) != 0;
|
|
cmd->frameFiltOpt.slottedAckEn = 0;
|
|
cmd->frameFiltOpt.autoPendEn = 0;
|
|
cmd->frameFiltOpt.defaultPend = 0;
|
|
cmd->frameFiltOpt.bPendDataReqOnly = 0;
|
|
cmd->frameFiltOpt.bPanCoord = 0;
|
|
cmd->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:
|
|
cmd->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_CORE_CMD_OK) {
|
|
PRINTF("set_value: on() failed (2)\n");
|
|
return RADIO_RESULT_ERROR;
|
|
}
|
|
}
|
|
|
|
if(rx_off() != RF_CORE_CMD_OK) {
|
|
PRINTF("set_value: rx_off() failed\n");
|
|
rv = RADIO_RESULT_ERROR;
|
|
}
|
|
|
|
if(rx_on() != RF_CORE_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;
|
|
rfc_CMD_IEEE_RX_t *cmd = (rfc_CMD_IEEE_RX_t *)cmd_ieee_rx_buf;
|
|
|
|
if(param == RADIO_PARAM_64BIT_ADDR) {
|
|
if(size != 8 || !dest) {
|
|
return RADIO_RESULT_INVALID_VALUE;
|
|
}
|
|
|
|
target = dest;
|
|
src = (uint8_t *)(&cmd->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;
|
|
rfc_CMD_IEEE_RX_t *cmd = (rfc_CMD_IEEE_RX_t *)cmd_ieee_rx_buf;
|
|
|
|
if(param == RADIO_PARAM_64BIT_ADDR) {
|
|
if(size != 8 || !src) {
|
|
return RADIO_RESULT_INVALID_VALUE;
|
|
}
|
|
|
|
dst = (uint8_t *)(&cmd->localExtAddr);
|
|
|
|
for(i = 0; i < 8; i++) {
|
|
dst[i] = ((uint8_t *)src)[7 - i];
|
|
}
|
|
|
|
if(!rf_is_on()) {
|
|
was_off = 1;
|
|
if(on() != RF_CORE_CMD_OK) {
|
|
PRINTF("set_object: on() failed\n");
|
|
return RADIO_RESULT_ERROR;
|
|
}
|
|
}
|
|
|
|
if(rx_off() != RF_CORE_CMD_OK) {
|
|
PRINTF("set_object: rx_off() failed\n");
|
|
rv = RADIO_RESULT_ERROR;
|
|
}
|
|
|
|
if(rx_on() != RF_CORE_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 ieee_mode_driver = {
|
|
init,
|
|
prepare,
|
|
transmit,
|
|
send,
|
|
read_frame,
|
|
channel_clear,
|
|
receiving_packet,
|
|
pending_packet,
|
|
on,
|
|
off,
|
|
get_value,
|
|
set_value,
|
|
get_object,
|
|
set_object,
|
|
};
|
|
/*---------------------------------------------------------------------------*/
|
|
/**
|
|
* @}
|
|
* @}
|
|
*/
|