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Merge branch 'develop' into contrib/tools/zolertia-motelist

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George Oikonomou 2018-10-19 11:28:36 +01:00 committed by GitHub
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17 changed files with 774 additions and 390 deletions
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2
arch/cpu/cc26xx-cc13xx/Makefile.cc13xx
View File

@ -1,6 +1,6 @@
TI_XXWARE_PATH = lib/cc13xxware
CONTIKI_CPU_SOURCEFILES += smartrf-settings.c prop-mode.c prop-mode-tx-power.c
CONTIKI_CPU_SOURCEFILES += smartrf-settings.c prop-mode.c prop-mode-tx-power.c cc13xx-50kbps-tsch.c
CFLAGS += -DCPU_FAMILY_CC13X0=1 -DCPU_FAMILY_CC13XX=1

4
arch/cpu/cc26xx-cc13xx/Makefile.cc26xx-cc13xx
View File

@ -1,8 +1,8 @@
CPU_ABS_PATH = arch/cpu/cc26xx-cc13xx
TI_XXWARE = $(CONTIKI_CPU)/$(TI_XXWARE_PATH)
ifeq (,$(wildcard $(TI_XXWARE)))
$(warning $(TI_XXWARE) does not exist.)
ifeq (,$(wildcard $(TI_XXWARE)/*))
$(warning $(TI_XXWARE) does not exist or is empty.)
$(warning Did you run 'git submodule update --init' ?)
$(error "")
endif

42
arch/cpu/cc26xx-cc13xx/cc13xx-cc26xx-def.h
View File

@ -36,12 +36,43 @@
/*---------------------------------------------------------------------------*/
/* TSCH related defines */
/* 2 bytes header, 4 bytes CRC */
#define CC13XX_RADIO_PHY_OVERHEAD 6
/* 3 bytes preamble, 3 bytes sync */
#define CC13XX_RADIO_PHY_HEADER_LEN 6
/* The default data rate is 50 kbps */
#define CC13XX_RADIO_BIT_RATE 50000
/* 1 len byte, 2 bytes CRC */
#define RADIO_PHY_OVERHEAD 3
/* 250kbps data rate. One byte = 32us */
#define RADIO_BYTE_AIR_TIME 32
#define CC26XX_RADIO_PHY_OVERHEAD 3
/* 4 bytes preamble, 1 byte sync */
#define CC26XX_RADIO_PHY_HEADER_LEN 5
/* The fixed data rate is 250 kbps */
#define CC26XX_RADIO_BIT_RATE 250000
#if CPU_FAMILY_CC13XX
#define RADIO_PHY_HEADER_LEN CC13XX_RADIO_PHY_HEADER_LEN
#define RADIO_PHY_OVERHEAD CC13XX_RADIO_PHY_OVERHEAD
#define RADIO_BIT_RATE CC13XX_RADIO_BIT_RATE
/* The TSCH default slot length of 10ms is too short, use custom one instead */
#ifndef TSCH_CONF_DEFAULT_TIMESLOT_TIMING
#define TSCH_CONF_DEFAULT_TIMESLOT_TIMING tsch_timing_cc13xx_50kbps
#endif /* TSCH_CONF_DEFAULT_TIMESLOT_TIMING */
/* Symbol for the custom TSCH timeslot timing template */
#define TSCH_CONF_ARCH_HDR_PATH "rf-core/cc13xx-50kbps-tsch.h"
#else
#define RADIO_PHY_HEADER_LEN CC26XX_RADIO_PHY_HEADER_LEN
#define RADIO_PHY_OVERHEAD CC26XX_RADIO_PHY_OVERHEAD
#define RADIO_BIT_RATE CC26XX_RADIO_BIT_RATE
#endif
#define RADIO_BYTE_AIR_TIME (1000000 / (RADIO_BIT_RATE / 8))
/* Delay between GO signal and SFD */
#define RADIO_DELAY_BEFORE_TX ((unsigned)US_TO_RTIMERTICKS(81))
#define RADIO_DELAY_BEFORE_TX ((unsigned)US_TO_RTIMERTICKS(RADIO_PHY_HEADER_LEN * RADIO_BYTE_AIR_TIME))
/* Delay between GO signal and start listening.
* This value is so small because the radio is constantly on within each timeslot. */
#define RADIO_DELAY_BEFORE_RX ((unsigned)US_TO_RTIMERTICKS(15))
@ -56,9 +87,6 @@
#define RADIO_TO_RTIMER(X) ((uint32_t)(((uint64_t)(X) * (RTIMER_SECOND / 256)) / (RADIO_TIMER_SECOND / 256)))
#define USEC_TO_RADIO(X) ((X) * 4)
/* The PHY header (preamble + SFD, 4+1 bytes) duration is equivalent to 10 symbols */
#define RADIO_IEEE_802154_PHY_HEADER_DURATION_USEC 160
/* Do not turn off TSCH within a timeslot: not enough time */
#define TSCH_CONF_RADIO_ON_DURING_TIMESLOT 1

2
arch/cpu/cc26xx-cc13xx/rf-core/ble-hal/ble-hal-cc26xx.c
View File

@ -386,7 +386,7 @@ on(void)
rf_core_power_down();
return RF_CORE_CMD_ERROR;
}
rf_core_setup_interrupts(0);
rf_core_setup_interrupts();
oscillators_switch_to_hf_xosc();
if(rf_ble_cmd_setup_ble_mode() != RF_BLE_CMD_OK) {

73
arch/cpu/cc26xx-cc13xx/rf-core/cc13xx-50kbps-tsch.c Normal file
View File

@ -0,0 +1,73 @@
/*
* Copyright (c) 2018, University of Bristol - http://www.bristol.ac.uk/
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file is part of the Contiki operating system.
*
*/
/**
* \file
* IEEE 802.15.4 TSCH timeslot timings for CC13xx chips at 50kbps datarate
* \author
* Atis Elsts <atis.elsts@bristol.ac.uk>
*
*/
#include "contiki.h"
#include "net/mac/tsch/tsch.h"
#define CC13XX_TSCH_DEFAULT_TS_CCA_OFFSET 1800
#define CC13XX_TSCH_DEFAULT_TS_CCA 128
#define CC13XX_TSCH_DEFAULT_TS_TX_OFFSET 2500
#define CC13XX_TSCH_DEFAULT_TS_RX_OFFSET (CC13XX_TSCH_DEFAULT_TS_TX_OFFSET - (TSCH_CONF_RX_WAIT / 2))
#define CC13XX_TSCH_DEFAULT_TS_RX_ACK_DELAY 2000
#define CC13XX_TSCH_DEFAULT_TS_TX_ACK_DELAY 3000
#define CC13XX_TSCH_DEFAULT_TS_RX_WAIT TSCH_CONF_RX_WAIT
#define CC13XX_TSCH_DEFAULT_TS_ACK_WAIT 3000
#define CC13XX_TSCH_DEFAULT_TS_RX_TX 192
#define CC13XX_TSCH_DEFAULT_TS_MAX_ACK 10000
#define CC13XX_TSCH_DEFAULT_TS_MAX_TX 21600
/* Timeslot length: 40000 usec */
#define CC13XX_TSCH_DEFAULT_TS_TIMESLOT_LENGTH 40000
/* TSCH timeslot timing (microseconds) */
const uint16_t tsch_timing_cc13xx_50kbps[tsch_ts_elements_count] = {
CC13XX_TSCH_DEFAULT_TS_CCA_OFFSET,
CC13XX_TSCH_DEFAULT_TS_CCA,
CC13XX_TSCH_DEFAULT_TS_TX_OFFSET,
CC13XX_TSCH_DEFAULT_TS_RX_OFFSET,
CC13XX_TSCH_DEFAULT_TS_RX_ACK_DELAY,
CC13XX_TSCH_DEFAULT_TS_TX_ACK_DELAY,
CC13XX_TSCH_DEFAULT_TS_RX_WAIT,
CC13XX_TSCH_DEFAULT_TS_ACK_WAIT,
CC13XX_TSCH_DEFAULT_TS_RX_TX,
CC13XX_TSCH_DEFAULT_TS_MAX_ACK,
CC13XX_TSCH_DEFAULT_TS_MAX_TX,
CC13XX_TSCH_DEFAULT_TS_TIMESLOT_LENGTH,
};

41
arch/cpu/cc26xx-cc13xx/rf-core/cc13xx-50kbps-tsch.h Normal file
View File

@ -0,0 +1,41 @@
/*
* Copyright (c) 2018, University of Bristol - http://www.bristol.ac.uk/
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file is part of the Contiki operating system.
*
*/
#ifndef CC13XX_50KBPS_TSCH_H_
#define CC13XX_50KBPS_TSCH_H_
#include "contiki.h"
/* TSCH timeslot timing (microseconds) */
extern const uint16_t tsch_timing_cc13xx_50kbps[];
#endif /* CC13XX_50KBPS_TSCH_H_ */

334
arch/cpu/cc26xx-cc13xx/rf-core/ieee-mode.c
View File

@ -120,6 +120,8 @@ static uint8_t rf_stats[16] = { 0 };
/* The size of the RF commands buffer */
#define RF_CMD_BUFFER_SIZE 128
/*---------------------------------------------------------------------------*/
#define RAT_TIMESTAMP_OFFSET_2_4_GHZ 0
/*---------------------------------------------------------------------------*/
/**
* \brief Returns the current status of a running Radio Op command
* \param a A pointer with the buffer used to initiate the command
@ -130,55 +132,9 @@ static uint8_t rf_stats[16] = { 0 };
*/
#define RF_RADIO_OP_GET_STATUS(a) (((rfc_radioOp_t *)a)->status)
/*---------------------------------------------------------------------------*/
/* Special value returned by CMD_IEEE_CCA_REQ when an RSSI is not available */
#define RF_CMD_CCA_REQ_RSSI_UNKNOWN -128
/* Used for the return value of channel_clear */
#define RF_CCA_CLEAR 1
#define RF_CCA_BUSY 0
/* Used as an error return value for get_cca_info */
#define RF_GET_CCA_INFO_ERROR 0xFF
/*
* Values of the individual bits of the ccaInfo field in CMD_IEEE_CCA_REQ's
* status struct
*/
#define RF_CMD_CCA_REQ_CCA_STATE_IDLE 0 /* 00 */
#define RF_CMD_CCA_REQ_CCA_STATE_BUSY 1 /* 01 */
#define RF_CMD_CCA_REQ_CCA_STATE_INVALID 2 /* 10 */
#define RF_CMD_CCA_REQ_CCA_CORR_IDLE (0 << 4)
#define RF_CMD_CCA_REQ_CCA_CORR_BUSY (1 << 4)
#define RF_CMD_CCA_REQ_CCA_CORR_INVALID (3 << 4)
#define RF_CMD_CCA_REQ_CCA_CORR_MASK (3 << 4)
#define RF_CMD_CCA_REQ_CCA_SYNC_BUSY (1 << 6)
/*---------------------------------------------------------------------------*/
#define IEEE_MODE_CHANNEL_MIN 11
#define IEEE_MODE_CHANNEL_MAX 26
/*---------------------------------------------------------------------------*/
/* How long to wait for an ongoing ACK TX to finish before starting frame TX */
#define TX_WAIT_TIMEOUT (RTIMER_SECOND >> 11)
/* How long to wait for the RF to enter RX in rf_cmd_ieee_rx */
#define ENTER_RX_WAIT_TIMEOUT (RTIMER_SECOND >> 10)
/* How long to wait for the RF to react on CMD_ABORT: around 1 msec */
#define RF_TURN_OFF_WAIT_TIMEOUT (RTIMER_SECOND >> 10)
/* How long to wait for the RF to finish TX of a packet or an ACK */
#define TX_FINISH_WAIT_TIMEOUT (RTIMER_SECOND >> 7)
#define LIMITED_BUSYWAIT(cond, timeout) do { \
rtimer_clock_t end_time = RTIMER_NOW() + timeout; \
while(cond) { \
if(!RTIMER_CLOCK_LT(RTIMER_NOW(), end_time)) { \
break; \
} \
} \
} while(0)
/*---------------------------------------------------------------------------*/
/* TX Power dBm lookup table - values from SmartRF Studio */
typedef struct output_config {
radio_value_t dbm;
@ -211,33 +167,6 @@ static const output_config_t output_power[] = {
/* Default TX Power - position in output_power[] */
static const output_config_t *tx_power_current = &output_power[0];
/*---------------------------------------------------------------------------*/
static volatile int8_t last_rssi = 0;
static volatile uint8_t last_corr_lqi = 0;
extern int32_t rat_offset;
/*---------------------------------------------------------------------------*/
/* SFD timestamp in RTIMER ticks */
static volatile uint32_t last_packet_timestamp = 0;
/* SFD timestamp in RAT ticks (but 64 bits) */
static uint64_t last_rat_timestamp64 = 0;
/* For RAT overflow handling */
static struct ctimer rat_overflow_timer;
static volatile uint32_t rat_overflow_counter = 0;
static rtimer_clock_t last_rat_overflow = 0;
/* RAT has 32-bit register, overflows once 18 minutes */
#define RAT_RANGE 4294967296ull
/* approximate value */
#define RAT_OVERFLOW_PERIOD_SECONDS (60 * 18)
/* XXX: don't know what exactly is this, looks like the time to Tx 3 octets */
#define TIMESTAMP_OFFSET -(USEC_TO_RADIO(32 * 3) - 1) /* -95.75 usec */
/*---------------------------------------------------------------------------*/
/* Are we currently in poll mode? */
static uint8_t poll_mode = 0;
static rfc_CMD_IEEE_MOD_FILT_t filter_cmd;
/*---------------------------------------------------------------------------*/
/*
@ -256,27 +185,28 @@ static uint8_t cmd_ieee_rx_buf[RF_CMD_BUFFER_SIZE] CC_ALIGN(4);
#define DATA_ENTRY_LENSZ_BYTE 1
#define DATA_ENTRY_LENSZ_WORD 2 /* 2 bytes */
#define RX_BUF_SIZE 144
/* Four receive buffers entries with room for 1 IEEE802.15.4 frame in each */
static uint8_t rx_buf_0[RX_BUF_SIZE] CC_ALIGN(4);
static uint8_t rx_buf_1[RX_BUF_SIZE] CC_ALIGN(4);
static uint8_t rx_buf_2[RX_BUF_SIZE] CC_ALIGN(4);
static uint8_t rx_buf_3[RX_BUF_SIZE] CC_ALIGN(4);
#define RX_BUF_INCLUDE_CRC 1
#define RX_BUF_INCLUDE_RSSI 1
#define RX_BUF_INCLUDE_CORR 1
#define RX_BUF_INCLUDE_TIMESTAMP 1
/* The size of the metadata (excluding the packet length field) */
#define RX_BUF_METADATA_SIZE \
(2 * RX_BUF_INCLUDE_CRC + RX_BUF_INCLUDE_RSSI + RX_BUF_INCLUDE_CORR + 4 * RX_BUF_INCLUDE_TIMESTAMP)
(2 * RF_CORE_RX_BUF_INCLUDE_CRC \
+ RF_CORE_RX_BUF_INCLUDE_RSSI \
+ RF_CORE_RX_BUF_INCLUDE_CORR \
+ 4 * RF_CORE_RX_BUF_INCLUDE_TIMESTAMP)
/* The offset of the packet length in a rx buffer */
#define RX_BUF_LENGTH_OFFSET sizeof(rfc_dataEntry_t)
/* The offset of the packet data in a rx buffer */
#define RX_BUF_DATA_OFFSET (RX_BUF_LENGTH_OFFSET + 1)
#define RX_BUF_SIZE (RX_BUF_DATA_OFFSET \
+ NETSTACK_RADIO_MAX_PAYLOAD_LEN \
+ RX_BUF_METADATA_SIZE)
/* Four receive buffers entries with room for 1 IEEE802.15.4 frame in each */
static uint8_t rx_buf_0[RX_BUF_SIZE] CC_ALIGN(4);
static uint8_t rx_buf_1[RX_BUF_SIZE] CC_ALIGN(4);
static uint8_t rx_buf_2[RX_BUF_SIZE] CC_ALIGN(4);
static uint8_t rx_buf_3[RX_BUF_SIZE] CC_ALIGN(4);
/* The RX Data Queue */
static dataQueue_t rx_data_queue = { 0 };
@ -358,8 +288,8 @@ transmitting(void)
return 0;
}
if((cmd.currentRssi == RF_CMD_CCA_REQ_RSSI_UNKNOWN) &&
(cmd.ccaInfo.ccaEnergy == RF_CMD_CCA_REQ_CCA_STATE_BUSY)) {
if((cmd.currentRssi == RF_CORE_CMD_CCA_REQ_RSSI_UNKNOWN) &&
(cmd.ccaInfo.ccaEnergy == RF_CORE_CMD_CCA_REQ_CCA_STATE_BUSY)) {
return 1;
}
@ -368,12 +298,12 @@ transmitting(void)
/*---------------------------------------------------------------------------*/
/**
* \brief Returns CCA information
* \return RF_GET_CCA_INFO_ERROR if the RF was not on
* \return RF_CORE_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
* will return RF_CORE_GET_CCA_INFO_ERROR if the RF is off
*
* This function will in fact wait for a valid CCA state
*/
@ -385,20 +315,20 @@ get_cca_info(void)
if(!rf_is_on()) {
PRINTF("get_cca_info: Not on\n");
return RF_GET_CCA_INFO_ERROR;
return RF_CORE_GET_CCA_INFO_ERROR;
}
memset(&cmd, 0x00, sizeof(cmd));
cmd.ccaInfo.ccaState = RF_CMD_CCA_REQ_CCA_STATE_INVALID;
cmd.ccaInfo.ccaState = RF_CORE_CMD_CCA_REQ_CCA_STATE_INVALID;
while(cmd.ccaInfo.ccaState == RF_CMD_CCA_REQ_CCA_STATE_INVALID) {
while(cmd.ccaInfo.ccaState == RF_CORE_CMD_CCA_REQ_CCA_STATE_INVALID) {
memset(&cmd, 0x00, sizeof(cmd));
cmd.commandNo = CMD_IEEE_CCA_REQ;
if(rf_core_send_cmd((uint32_t)&cmd, &cmd_status) == RF_CORE_CMD_ERROR) {
PRINTF("get_cca_info: CMDSTA=0x%08lx\n", cmd_status);
return RF_GET_CCA_INFO_ERROR;
return RF_CORE_GET_CCA_INFO_ERROR;
}
}
@ -425,14 +355,14 @@ get_rssi(void)
was_off = 1;
if(on() != RF_CORE_CMD_OK) {
PRINTF("get_rssi: on() failed\n");
return RF_CMD_CCA_REQ_RSSI_UNKNOWN;
return RF_CORE_CMD_CCA_REQ_RSSI_UNKNOWN;
}
}
memset(&cmd, 0x00, sizeof(cmd));
cmd.ccaInfo.ccaEnergy = RF_CMD_CCA_REQ_CCA_STATE_INVALID;
cmd.ccaInfo.ccaEnergy = RF_CORE_CMD_CCA_REQ_CCA_STATE_INVALID;
while(cmd.ccaInfo.ccaEnergy == RF_CMD_CCA_REQ_CCA_STATE_INVALID) {
while(cmd.ccaInfo.ccaEnergy == RF_CORE_CMD_CCA_REQ_CCA_STATE_INVALID) {
memset(&cmd, 0x00, sizeof(cmd));
cmd.commandNo = CMD_IEEE_CCA_REQ;
@ -440,7 +370,7 @@ get_rssi(void)
PRINTF("get_rssi: CMDSTA=0x%08lx\n", cmd_status);
/* Make sure to return RSSI unknown */
cmd.currentRssi = RF_CMD_CCA_REQ_RSSI_UNKNOWN;
cmd.currentRssi = RF_CORE_CMD_CCA_REQ_RSSI_UNKNOWN;
break;
}
}
@ -558,8 +488,8 @@ rf_cmd_ieee_rx()
return RF_CORE_CMD_ERROR;
}
LIMITED_BUSYWAIT(RF_RADIO_OP_GET_STATUS(cmd_ieee_rx_buf) != RF_CORE_RADIO_OP_STATUS_ACTIVE,
ENTER_RX_WAIT_TIMEOUT);
RTIMER_BUSYWAIT_UNTIL(RF_RADIO_OP_GET_STATUS(cmd_ieee_rx_buf) == RF_CORE_RADIO_OP_STATUS_ACTIVE,
RF_CORE_ENTER_RX_TIMEOUT);
/* Wait to enter RX */
if(RF_RADIO_OP_GET_STATUS(cmd_ieee_rx_buf) != RF_CORE_RADIO_OP_STATUS_ACTIVE) {
@ -615,11 +545,11 @@ init_rf_params(void)
cmd->rxConfig.bAutoFlushCrc = 1;
cmd->rxConfig.bAutoFlushIgn = 0;
cmd->rxConfig.bIncludePhyHdr = 0;
cmd->rxConfig.bIncludeCrc = RX_BUF_INCLUDE_CRC;
cmd->rxConfig.bAppendRssi = RX_BUF_INCLUDE_RSSI;
cmd->rxConfig.bAppendCorrCrc = RX_BUF_INCLUDE_CORR;
cmd->rxConfig.bIncludeCrc = RF_CORE_RX_BUF_INCLUDE_CRC;
cmd->rxConfig.bAppendRssi = RF_CORE_RX_BUF_INCLUDE_RSSI;
cmd->rxConfig.bAppendCorrCrc = RF_CORE_RX_BUF_INCLUDE_CORR;
cmd->rxConfig.bAppendSrcInd = 0;
cmd->rxConfig.bAppendTimestamp = RX_BUF_INCLUDE_TIMESTAMP;
cmd->rxConfig.bAppendTimestamp = RF_CORE_RX_BUF_INCLUDE_TIMESTAMP;
cmd->pRxQ = &rx_data_queue;
cmd->pOutput = (rfc_ieeeRxOutput_t *)rf_stats;
@ -714,7 +644,7 @@ rx_off(void)
}
/* Wait for ongoing ACK TX to finish */
LIMITED_BUSYWAIT(transmitting(), TX_FINISH_WAIT_TIMEOUT);
RTIMER_BUSYWAIT_UNTIL(!transmitting(), RF_CORE_TX_FINISH_TIMEOUT);
/* Send a CMD_ABORT command to RF Core */
if(rf_core_send_cmd(CMDR_DIR_CMD(CMD_ABORT), &cmd_status) != RF_CORE_CMD_OK) {
@ -722,7 +652,7 @@ rx_off(void)
/* Continue nonetheless */
}
LIMITED_BUSYWAIT(rf_is_on(), RF_TURN_OFF_WAIT_TIMEOUT);
RTIMER_BUSYWAIT_UNTIL(!rf_is_on(), RF_CORE_TURN_OFF_TIMEOUT);
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) {
@ -773,8 +703,8 @@ soft_off(void)
return;
}
LIMITED_BUSYWAIT((cmd->status & RF_CORE_RADIO_OP_MASKED_STATUS) ==
RF_CORE_RADIO_OP_MASKED_STATUS_RUNNING, RF_TURN_OFF_WAIT_TIMEOUT);
RTIMER_BUSYWAIT_UNTIL((cmd->status & RF_CORE_RADIO_OP_MASKED_STATUS) !=
RF_CORE_RADIO_OP_MASKED_STATUS_RUNNING, RF_CORE_TURN_OFF_TIMEOUT);
}
/*---------------------------------------------------------------------------*/
static uint8_t
@ -791,71 +721,10 @@ soft_on(void)
static const rf_core_primary_mode_t mode_ieee = {
soft_off,
soft_on,
rf_is_on,
RAT_TIMESTAMP_OFFSET_2_4_GHZ
};
/*---------------------------------------------------------------------------*/
static uint8_t
check_rat_overflow(bool first_time)
{
static uint32_t last_value;
uint32_t current_value;
uint8_t interrupts_disabled;
/* Bail out if the RF is not on */
if(!rf_is_on()) {
return 0;
}
interrupts_disabled = ti_lib_int_master_disable();
if(first_time) {
last_value = HWREG(RFC_RAT_BASE + RATCNT);
} else {
current_value = HWREG(RFC_RAT_BASE + RATCNT);
if(current_value + RAT_RANGE / 4 < last_value) {
/* Overflow detected */
last_rat_overflow = RTIMER_NOW();
rat_overflow_counter++;
}
last_value = current_value;
}
if(!interrupts_disabled) {
ti_lib_int_master_enable();
}
return 1;
}
/*---------------------------------------------------------------------------*/
static void
handle_rat_overflow(void *unused)
{
uint8_t success;
uint8_t was_off = 0;
if(!rf_is_on()) {
was_off = 1;
if(on() != RF_CORE_CMD_OK) {
PRINTF("overflow: on() failed\n");
ctimer_set(&rat_overflow_timer, CLOCK_SECOND,
handle_rat_overflow, NULL);
return;
}
}
success = check_rat_overflow(false);
if(was_off) {
off();
}
if(success) {
/* Retry after half of the interval */
ctimer_set(&rat_overflow_timer, RAT_OVERFLOW_PERIOD_SECONDS * CLOCK_SECOND / 2,
handle_rat_overflow, NULL);
} else {
/* Retry sooner */
ctimer_set(&rat_overflow_timer, CLOCK_SECOND,
handle_rat_overflow, NULL);
}
}
/*---------------------------------------------------------------------------*/
static int
init(void)
{
@ -889,9 +758,7 @@ init(void)
rf_core_primary_mode_register(&mode_ieee);
check_rat_overflow(true);
ctimer_set(&rat_overflow_timer, RAT_OVERFLOW_PERIOD_SECONDS * CLOCK_SECOND / 2,
handle_rat_overflow, NULL);
rf_core_rat_init();
process_start(&rf_core_process, NULL);
return 1;
@ -935,7 +802,7 @@ transmit(unsigned short transmit_len)
do {
tx_active = transmitting();
} while(tx_active == 1 &&
(RTIMER_CLOCK_LT(RTIMER_NOW(), t0 + TX_WAIT_TIMEOUT)));
(RTIMER_CLOCK_LT(RTIMER_NOW(), t0 + RF_CORE_TX_TIMEOUT)));
if(tx_active) {
PRINTF("transmit: Already TXing and wait timed out\n");
@ -957,7 +824,7 @@ transmit(unsigned short transmit_len)
cmd.startTrigger.triggerType = TRIG_NOW;
/* Enable the LAST_FG_COMMAND_DONE interrupt, which will wake us up */
rf_core_cmd_done_en(true, poll_mode);
rf_core_cmd_done_en(true);
ret = rf_core_send_cmd((uint32_t)&cmd, &cmd_status);
@ -973,7 +840,7 @@ transmit(unsigned short transmit_len)
* 1) make the `lpm_sleep()` call here unconditional;
* 2) change the radio ISR priority to allow radio ISR to interrupt rtimer ISR.
*/
if(!poll_mode) {
if(!rf_core_poll_mode) {
lpm_sleep();
}
}
@ -1007,7 +874,7 @@ transmit(unsigned short transmit_len)
* Disable LAST_FG_COMMAND_DONE interrupt. We don't really care about it
* except when we are transmitting
*/
rf_core_cmd_done_dis(poll_mode);
rf_core_cmd_done_dis();
if(was_off) {
off();
@ -1036,46 +903,6 @@ release_data_entry(void)
rx_read_entry = entry->pNextEntry;
}
/*---------------------------------------------------------------------------*/
static uint32_t
calc_last_packet_timestamp(uint32_t rat_timestamp)
{
uint64_t rat_timestamp64;
uint32_t adjusted_overflow_counter;
uint8_t was_off = 0;
if(!rf_is_on()) {
was_off = 1;
on();
}
if(rf_is_on()) {
check_rat_overflow(false);
if(was_off) {
off();
}
}
adjusted_overflow_counter = rat_overflow_counter;
/* if the timestamp is large and the last oveflow was recently,
assume that the timestamp refers to the time before the overflow */
if(rat_timestamp > (uint32_t)(RAT_RANGE * 3 / 4)) {
if(RTIMER_CLOCK_LT(RTIMER_NOW(),
last_rat_overflow + RAT_OVERFLOW_PERIOD_SECONDS * RTIMER_SECOND / 4)) {
adjusted_overflow_counter--;
}
}
/* add the overflowed time to the timestamp */
rat_timestamp64 = rat_timestamp + RAT_RANGE * adjusted_overflow_counter;
/* correct timestamp so that it refers to the end of the SFD */
rat_timestamp64 += TIMESTAMP_OFFSET;
last_rat_timestamp64 = rat_timestamp64 - rat_offset;
return RADIO_TO_RTIMER(rat_timestamp64 - rat_offset);
}
/*---------------------------------------------------------------------------*/
static int
read_frame(void *buf, unsigned short buf_len)
{
@ -1111,20 +938,20 @@ read_frame(void *buf, unsigned short buf_len)
memcpy(buf, (uint8_t *)rx_read_entry + RX_BUF_DATA_OFFSET, len);
last_rssi = (int8_t)rx_read_entry[RX_BUF_DATA_OFFSET + len + 2];
last_corr_lqi = (uint8_t)rx_read_entry[RX_BUF_DATA_OFFSET + len + 3] & STATUS_CORRELATION;
rf_core_last_rssi = (int8_t)rx_read_entry[RX_BUF_DATA_OFFSET + len];
rf_core_last_corr_lqi = (uint8_t)rx_read_entry[RX_BUF_DATA_OFFSET + len + 1] & STATUS_CORRELATION;
/* get the timestamp */
memcpy(&rat_timestamp, (uint8_t *)rx_read_entry + RX_BUF_DATA_OFFSET + len + 4, 4);
memcpy(&rat_timestamp, (uint8_t *)rx_read_entry + RX_BUF_DATA_OFFSET + len + 2, 4);
last_packet_timestamp = calc_last_packet_timestamp(rat_timestamp);
rf_core_last_packet_timestamp = rf_core_convert_rat_to_rtimer(rat_timestamp);
if(!poll_mode) {
if(!rf_core_poll_mode) {
/* Not in poll mode: packetbuf should not be accessed in interrupt context.
* In poll mode, the last packet RSSI and link quality can be obtained through
* RADIO_PARAM_LAST_RSSI and RADIO_PARAM_LAST_LINK_QUALITY */
packetbuf_set_attr(PACKETBUF_ATTR_RSSI, last_rssi);
packetbuf_set_attr(PACKETBUF_ATTR_LINK_QUALITY, last_corr_lqi);
packetbuf_set_attr(PACKETBUF_ATTR_RSSI, rf_core_last_rssi);
packetbuf_set_attr(PACKETBUF_ATTR_LINK_QUALITY, rf_core_last_corr_lqi);
}
release_data_entry();
@ -1137,7 +964,7 @@ channel_clear(void)
{
uint8_t was_off = 0;
uint8_t cca_info;
int ret = RF_CCA_CLEAR;
int ret = RF_CORE_CCA_CLEAR;
/*
* If we are in the middle of a BLE operation, we got called by ContikiMAC
@ -1145,7 +972,7 @@ channel_clear(void)
*/
if(rf_ble_is_active() == RF_BLE_ACTIVE) {
PRINTF("channel_clear: Interrupt context but BLE in progress\n");
return RF_CCA_CLEAR;
return RF_CORE_CCA_CLEAR;
}
if(rf_is_on()) {
@ -1157,7 +984,7 @@ channel_clear(void)
*
* We could probably even simply return that the channel is clear
*/
LIMITED_BUSYWAIT(transmitting(), TX_FINISH_WAIT_TIMEOUT);
RTIMER_BUSYWAIT_UNTIL(!transmitting(), RF_CORE_TX_FINISH_TIMEOUT);
} else {
was_off = 1;
if(on() != RF_CORE_CMD_OK) {
@ -1165,21 +992,21 @@ channel_clear(void)
if(was_off) {
off();
}
return RF_CCA_CLEAR;
return RF_CORE_CCA_CLEAR;
}
}
cca_info = get_cca_info();
if(cca_info == RF_GET_CCA_INFO_ERROR) {
if(cca_info == RF_CORE_GET_CCA_INFO_ERROR) {
PRINTF("channel_clear: CCA error\n");
ret = RF_CCA_CLEAR;
ret = RF_CORE_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;
ret = (cca_info & 0x03) != RF_CORE_CMD_CCA_REQ_CCA_STATE_BUSY;
}
if(was_off) {
@ -1218,12 +1045,12 @@ receiving_packet(void)
cca_info = get_cca_info();
/* If we can't read CCA info, return "not receiving" */
if(cca_info == RF_GET_CCA_INFO_ERROR) {
if(cca_info == RF_CORE_GET_CCA_INFO_ERROR) {
return 0;
}
/* If sync has been seen, return 1 (receiving) */
if(cca_info & RF_CMD_CCA_REQ_CCA_SYNC_BUSY) {
if(cca_info & RF_CORE_CMD_CCA_REQ_CCA_SYNC_BUSY) {
return 1;
}
@ -1241,7 +1068,7 @@ pending_packet(void)
if(entry->status == DATA_ENTRY_STATUS_FINISHED
|| entry->status == DATA_ENTRY_STATUS_BUSY) {
rv = 1;
if(!poll_mode) {
if(!rf_core_poll_mode) {
process_poll(&rf_core_process);
}
}
@ -1292,7 +1119,7 @@ on(void)
return RF_CORE_CMD_ERROR;
}
rf_core_setup_interrupts(poll_mode);
rf_core_setup_interrupts();
if(rf_radio_setup() != RF_CORE_CMD_OK) {
PRINTF("on: radio_setup() failed\n");
@ -1314,7 +1141,7 @@ off(void)
return RF_CORE_CMD_OK;
}
LIMITED_BUSYWAIT(transmitting(), TX_FINISH_WAIT_TIMEOUT);
RTIMER_BUSYWAIT_UNTIL(!transmitting(), RF_CORE_TX_FINISH_TIMEOUT);
/* stopping the rx explicitly results in lower sleep-mode power usage */
rx_off();
@ -1394,7 +1221,7 @@ get_value(radio_param_t param, radio_value_t *value)
if(cmd->frameFiltOpt.autoAckEn) {
*value |= RADIO_RX_MODE_AUTOACK;
}
if(poll_mode) {
if(rf_core_poll_mode) {
*value |= RADIO_RX_MODE_POLL_MODE;
}
@ -1411,7 +1238,7 @@ get_value(radio_param_t param, radio_value_t *value)
case RADIO_PARAM_RSSI:
*value = get_rssi();
if(*value == RF_CMD_CCA_REQ_RSSI_UNKNOWN) {
if(*value == RF_CORE_CMD_CCA_REQ_RSSI_UNKNOWN) {
return RADIO_RESULT_ERROR;
} else {
return RADIO_RESULT_OK;
@ -1429,10 +1256,25 @@ get_value(radio_param_t param, radio_value_t *value)
*value = OUTPUT_POWER_MAX;
return RADIO_RESULT_OK;
case RADIO_PARAM_LAST_RSSI:
*value = last_rssi;
*value = rf_core_last_rssi;
return RADIO_RESULT_OK;
case RADIO_PARAM_LAST_LINK_QUALITY:
*value = last_corr_lqi;
*value = rf_core_last_corr_lqi;
return RADIO_RESULT_OK;
case RADIO_CONST_PHY_OVERHEAD:
*value = (radio_value_t)RADIO_PHY_OVERHEAD;
return RADIO_RESULT_OK;
case RADIO_CONST_BYTE_AIR_TIME:
*value = (radio_value_t)RADIO_BYTE_AIR_TIME;
return RADIO_RESULT_OK;
case RADIO_CONST_DELAY_BEFORE_TX:
*value = (radio_value_t)RADIO_DELAY_BEFORE_TX;
return RADIO_RESULT_OK;
case RADIO_CONST_DELAY_BEFORE_RX:
*value = (radio_value_t)RADIO_DELAY_BEFORE_RX;
return RADIO_RESULT_OK;
case RADIO_CONST_DELAY_BEFORE_DETECT:
*value = (radio_value_t)RADIO_DELAY_BEFORE_DETECT;
return RADIO_RESULT_OK;
default:
return RADIO_RESULT_NOT_SUPPORTED;
@ -1498,9 +1340,9 @@ set_value(radio_param_t param, radio_value_t value)
cmd->frameFiltOpt.bPanCoord = 0;
cmd->frameFiltOpt.bStrictLenFilter = 0;
old_poll_mode = poll_mode;
poll_mode = (value & RADIO_RX_MODE_POLL_MODE) != 0;
if(poll_mode == old_poll_mode) {
old_poll_mode = rf_core_poll_mode;
rf_core_poll_mode = (value & RADIO_RX_MODE_POLL_MODE) != 0;
if(rf_core_poll_mode == old_poll_mode) {
uint32_t cmd_status;
/* do not turn the radio on and off, just send an update command */
@ -1552,7 +1394,7 @@ set_value(radio_param_t param, radio_value_t value)
/* Restart the radio timer (RAT).
This causes resynchronization between RAT and RTC: useful for TSCH. */
if(rf_core_restart_rat() == RF_CORE_CMD_OK) {
check_rat_overflow(false);
rf_core_check_rat_overflow();
}
if(rx_on() != RF_CORE_CMD_OK) {
@ -1590,7 +1432,7 @@ get_object(radio_param_t param, void *dest, size_t size)
if(size != sizeof(rtimer_clock_t) || !dest) {
return RADIO_RESULT_INVALID_VALUE;
}
*(rtimer_clock_t *)dest = last_packet_timestamp;
*(rtimer_clock_t *)dest = rf_core_last_packet_timestamp;
return RADIO_RESULT_OK;
}

378
arch/cpu/cc26xx-cc13xx/rf-core/prop-mode.c
View File

@ -115,24 +115,6 @@
*/
#define RF_RADIO_OP_GET_STATUS(a) GET_FIELD_V(a, radioOp, status)
/*---------------------------------------------------------------------------*/
/* Special value returned by CMD_IEEE_CCA_REQ when an RSSI is not available */
#define RF_CMD_CCA_REQ_RSSI_UNKNOWN -128
/* Used for the return value of channel_clear */
#define RF_CCA_CLEAR 1
#define RF_CCA_BUSY 0
/* Used as an error return value for get_cca_info */
#define RF_GET_CCA_INFO_ERROR 0xFF
/*
* Values of the individual bits of the ccaInfo field in CMD_IEEE_CCA_REQ's
* status struct
*/
#define RF_CMD_CCA_REQ_CCA_STATE_IDLE 0 /* 00 */
#define RF_CMD_CCA_REQ_CCA_STATE_BUSY 1 /* 01 */
#define RF_CMD_CCA_REQ_CCA_STATE_INVALID 2 /* 10 */
#ifdef PROP_MODE_CONF_RSSI_THRESHOLD
#define PROP_MODE_RSSI_THRESHOLD PROP_MODE_CONF_RSSI_THRESHOLD
#else
@ -141,6 +123,8 @@
static int8_t rssi_threshold = PROP_MODE_RSSI_THRESHOLD;
/*---------------------------------------------------------------------------*/
static volatile uint8_t is_receiving_packet;
/*---------------------------------------------------------------------------*/
static int on(void);
static int off(void);
@ -170,12 +154,6 @@ static rfc_propRxOutput_t rx_stats;
#define DOT_4G_PHR_DW_BIT 0
#endif
/*---------------------------------------------------------------------------*/
/* How long to wait for an ongoing ACK TX to finish before starting frame TX */
#define TX_WAIT_TIMEOUT (RTIMER_SECOND >> 11)
/* How long to wait for the RF to enter RX in rf_cmd_ieee_rx */
#define ENTER_RX_WAIT_TIMEOUT (RTIMER_SECOND >> 10)
/*---------------------------------------------------------------------------*/
/* TX power table for the 431-527MHz band */
#ifdef PROP_MODE_CONF_TX_POWER_431_527
#define PROP_MODE_TX_POWER_431_527 PROP_MODE_CONF_TX_POWER_431_527
@ -222,12 +200,29 @@ static const prop_mode_tx_power_config_t *tx_power_current = &TX_POWER_DRIVER[1]
#define DATA_ENTRY_LENSZ_BYTE 1
#define DATA_ENTRY_LENSZ_WORD 2 /* 2 bytes */
/* The size of the metadata (excluding the packet length field) */
#define RX_BUF_METADATA_SIZE \
(CRC_LEN * RF_CORE_RX_BUF_INCLUDE_CRC \
+ RF_CORE_RX_BUF_INCLUDE_RSSI \
+ RF_CORE_RX_BUF_INCLUDE_CORR \
+ 4 * RF_CORE_RX_BUF_INCLUDE_TIMESTAMP)
/* The offset of the packet length in a rx buffer */
#define RX_BUF_LENGTH_OFFSET sizeof(rfc_dataEntry_t)
/* The offset of the packet data in a rx buffer */
#define RX_BUF_DATA_OFFSET (RX_BUF_LENGTH_OFFSET + DOT_4G_PHR_LEN)
#define ALIGN_TO_4(size) (((size) + 3) & ~3)
#define RX_BUF_SIZE ALIGN_TO_4(RX_BUF_DATA_OFFSET \
+ NETSTACK_RADIO_MAX_PAYLOAD_LEN \
+ RX_BUF_METADATA_SIZE)
/*
* RX buffers.
* PROP_MODE_RX_BUF_CNT buffers of RX_BUF_SIZE bytes each. The start of each
* buffer must be 4-byte aligned, therefore RX_BUF_SIZE must divide by 4
*/
#define RX_BUF_SIZE 140
static uint8_t rx_buf[PROP_MODE_RX_BUF_CNT][RX_BUF_SIZE] CC_ALIGN(4);
/* The RX Data Queue */
@ -236,6 +231,12 @@ static dataQueue_t rx_data_queue = { 0 };
/* Receive entry pointer to keep track of read items */
volatile static uint8_t *rx_read_entry;
/*---------------------------------------------------------------------------*/
/*
* Increasing this number causes unicast Tx immediately after broadcast Rx to have
* negative synchronization errors ("dr" in TSCH logs); decreasing it: the opposite.
*/
#define RAT_TIMESTAMP_OFFSET_SUB_GHZ USEC_TO_RADIO(160 * 6 - 240)
/*---------------------------------------------------------------------------*/
/* The outgoing frame buffer */
#define TX_BUF_PAYLOAD_LEN 180
#define TX_BUF_HDR_LEN 2
@ -272,13 +273,13 @@ get_rssi(void)
was_off = 1;
if(on() != RF_CORE_CMD_OK) {
PRINTF("get_rssi: on() failed\n");
return RF_CMD_CCA_REQ_RSSI_UNKNOWN;
return RF_CORE_CMD_CCA_REQ_RSSI_UNKNOWN;
}
}
rssi = RF_CMD_CCA_REQ_RSSI_UNKNOWN;
rssi = RF_CORE_CMD_CCA_REQ_RSSI_UNKNOWN;
while((rssi == RF_CMD_CCA_REQ_RSSI_UNKNOWN || rssi == 0) && ++attempts < 10) {
while((rssi == RF_CORE_CMD_CCA_REQ_RSSI_UNKNOWN || rssi == 0) && ++attempts < 10) {
memset(&cmd, 0x00, sizeof(cmd));
cmd.commandNo = CMD_GET_RSSI;
@ -420,13 +421,17 @@ static uint8_t
rf_cmd_prop_rx()
{
uint32_t cmd_status;
rtimer_clock_t t0;
volatile rfc_CMD_PROP_RX_ADV_t *cmd_rx_adv;
int ret;
cmd_rx_adv = (rfc_CMD_PROP_RX_ADV_t *)&smartrf_settings_cmd_prop_rx_adv;
cmd_rx_adv->status = RF_CORE_RADIO_OP_STATUS_IDLE;
cmd_rx_adv->rxConf.bIncludeCrc = RF_CORE_RX_BUF_INCLUDE_CRC;
cmd_rx_adv->rxConf.bAppendRssi = RF_CORE_RX_BUF_INCLUDE_RSSI;
cmd_rx_adv->rxConf.bAppendTimestamp = RF_CORE_RX_BUF_INCLUDE_TIMESTAMP;
cmd_rx_adv->rxConf.bAppendStatus = RF_CORE_RX_BUF_INCLUDE_CORR;
/*
* Set the max Packet length. This is for the payload only, therefore
* 2047 - length offset
@ -441,10 +446,8 @@ rf_cmd_prop_rx()
return RF_CORE_CMD_ERROR;
}
t0 = RTIMER_NOW();
while(cmd_rx_adv->status != RF_CORE_RADIO_OP_STATUS_ACTIVE &&
(RTIMER_CLOCK_LT(RTIMER_NOW(), t0 + ENTER_RX_WAIT_TIMEOUT)));
RTIMER_BUSYWAIT_UNTIL(cmd_rx_adv->status == RF_CORE_RADIO_OP_STATUS_ACTIVE,
RF_CORE_ENTER_RX_TIMEOUT);
/* Wait to enter RX */
if(cmd_rx_adv->status != RF_CORE_RADIO_OP_STATUS_ACTIVE) {
@ -506,13 +509,16 @@ rx_off_prop(void)
return RF_CORE_CMD_OK;
}
/* Wait for ongoing ACK TX to finish */
RTIMER_BUSYWAIT_UNTIL(!transmitting(), RF_CORE_TX_FINISH_TIMEOUT);
/* 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_prop: CMD_ABORT status=0x%08lx\n", cmd_status);
/* Continue nonetheless */
}
while(rf_is_on());
RTIMER_BUSYWAIT_UNTIL(!rf_is_on(), RF_CORE_TURN_OFF_TIMEOUT);
if(smartrf_settings_cmd_prop_rx_adv.status == PROP_DONE_STOPPED ||
smartrf_settings_cmd_prop_rx_adv.status == PROP_DONE_ABORT) {
@ -583,8 +589,8 @@ soft_off_prop(void)
return;
}
while((cmd->status & RF_CORE_RADIO_OP_MASKED_STATUS) ==
RF_CORE_RADIO_OP_MASKED_STATUS_RUNNING);
RTIMER_BUSYWAIT_UNTIL((cmd->status & RF_CORE_RADIO_OP_MASKED_STATUS) !=
RF_CORE_RADIO_OP_MASKED_STATUS_RUNNING, RF_CORE_TURN_OFF_TIMEOUT);
}
/*---------------------------------------------------------------------------*/
static uint8_t
@ -606,6 +612,8 @@ soft_on_prop(void)
static const rf_core_primary_mode_t mode_prop = {
soft_off_prop,
soft_on_prop,
rf_is_on,
RAT_TIMESTAMP_OFFSET_SUB_GHZ
};
/*---------------------------------------------------------------------------*/
static int
@ -637,10 +645,15 @@ init(void)
return RF_CORE_CMD_ERROR;
}
/* Enable the "sync word seen" interrupt */
ti_lib_rfc_hw_int_enable(RFC_DBELL_RFHWIEN_MDMSOFT);
ENERGEST_ON(ENERGEST_TYPE_LISTEN);
rf_core_primary_mode_register(&mode_prop);
rf_core_rat_init();
process_start(&rf_core_process, NULL);
return 1;
@ -701,7 +714,7 @@ transmit(unsigned short transmit_len)
rx_off_prop();
/* Enable the LAST_COMMAND_DONE interrupt to wake us up */
rf_core_cmd_done_en(false, false);
rf_core_cmd_done_en(false);
ret = rf_core_send_cmd((uint32_t)cmd_tx_adv, &cmd_status);
@ -714,8 +727,15 @@ transmit(unsigned short transmit_len)
/* Idle away while the command is running */
while((cmd_tx_adv->status & RF_CORE_RADIO_OP_MASKED_STATUS)
== RF_CORE_RADIO_OP_MASKED_STATUS_RUNNING) {
/* Note: for now sleeping while Tx'ing in polling mode is disabled.
* To enable it:
* 1) make the `lpm_sleep()` call here unconditional;
* 2) change the radio ISR priority to allow radio ISR to interrupt rtimer ISR.
*/
if(!rf_core_poll_mode) {
lpm_sleep();
}
}
if(cmd_tx_adv->status == RF_CORE_RADIO_OP_STATUS_PROP_DONE_OK) {
/* Sent OK */
@ -743,7 +763,7 @@ transmit(unsigned short transmit_len)
* Disable LAST_FG_COMMAND_DONE interrupt. We don't really care about it
* except when we are transmitting
*/
rf_core_cmd_done_dis(false);
rf_core_cmd_done_dis();
/* Workaround. Set status to IDLE */
cmd_tx_adv->status = RF_CORE_RADIO_OP_STATUS_IDLE;
@ -764,46 +784,97 @@ send(const void *payload, unsigned short payload_len)
return transmit(payload_len);
}
/*---------------------------------------------------------------------------*/
static int
read_frame(void *buf, unsigned short buf_len)
static void
release_data_entry(void)
{
int_master_status_t status;
rfc_dataEntryGeneral_t *entry = (rfc_dataEntryGeneral_t *)rx_read_entry;
uint8_t *data_ptr = &entry->data;
int len = 0;
int_master_status_t interrupt_status;
if(entry->status == DATA_ENTRY_STATUS_FINISHED) {
/* Clear the length field (2 bytes) */
data_ptr[0] = 0;
data_ptr[1] = 0;
/*
* First 2 bytes in the data entry are the length.
* Our data entry consists of: Payload + RSSI (1 byte) + Status (1 byte)
* This length includes all of those.
*/
len = (*(uint16_t *)data_ptr);
data_ptr += 2;
len -= 2;
if(len > 0) {
if(len <= buf_len) {
memcpy(buf, data_ptr, len);
}
packetbuf_set_attr(PACKETBUF_ATTR_RSSI, (int8_t)data_ptr[len]);
packetbuf_set_attr(PACKETBUF_ATTR_LINK_QUALITY, 0x7F);
}
/* Move read entry pointer to next entry */
rx_read_entry = entry->pNextEntry;
/* Set status to 0 "Pending" in element */
entry->status = DATA_ENTRY_STATUS_PENDING;
}
rx_read_entry = entry->pNextEntry;
status = critical_enter();
if(rx_is_full) {
rx_is_full = false;
interrupt_status = critical_enter();
if(rf_core_rx_is_full) {
rf_core_rx_is_full = false;
PRINTF("RXQ was full, re-enabling radio!\n");
rx_on_prop();
}
critical_exit(status);
critical_exit(interrupt_status);
}
/*---------------------------------------------------------------------------*/
static int
read_frame(void *buf, unsigned short buf_len)
{
rfc_dataEntryGeneral_t *entry = (rfc_dataEntryGeneral_t *)rx_read_entry;
uint8_t *data_ptr = &entry->data;
int len = 0;
uint32_t rat_timestamp;
/* wait for entry to become finished */
rtimer_clock_t t0 = RTIMER_NOW();
while(entry->status == DATA_ENTRY_STATUS_BUSY
&& RTIMER_CLOCK_LT(RTIMER_NOW(), t0 + (RTIMER_SECOND / 50)));
/* Make sure the flag is reset */
is_receiving_packet = 0;
if(entry->status != DATA_ENTRY_STATUS_FINISHED) {
/* No available data */
return 0;
}
/*
* First 2 bytes in the data entry are the length.
* Our data entry consists of:
* Payload + RSSI (1 byte) + Timestamp (4 bytes) + Status (1 byte)
* This length includes all of those.
*/
len = (*(uint16_t *)data_ptr);
if(len <= RX_BUF_METADATA_SIZE) {
PRINTF("RF: too short!");
release_data_entry();
return 0;
}
data_ptr += 2;
len -= RX_BUF_METADATA_SIZE;
if(len > buf_len) {
PRINTF("RF: too long\n");
release_data_entry();
return 0;
}
memcpy(buf, data_ptr, len);
/* get the RSSI and status */
rf_core_last_rssi = (int8_t)data_ptr[len];
rf_core_last_corr_lqi = data_ptr[len + 5];
/* get the timestamp */
memcpy(&rat_timestamp, data_ptr + len + 1, 4);
rf_core_last_packet_timestamp = rf_core_convert_rat_to_rtimer(rat_timestamp);
if(!rf_core_poll_mode) {
/* Not in poll mode: packetbuf should not be accessed in interrupt context.
* In poll mode, the last packet RSSI and link quality can be obtained through
* RADIO_PARAM_LAST_RSSI and RADIO_PARAM_LAST_LINK_QUALITY */
packetbuf_set_attr(PACKETBUF_ATTR_RSSI, rf_core_last_rssi);
packetbuf_set_attr(PACKETBUF_ATTR_LINK_QUALITY, rf_core_last_corr_lqi);
}
release_data_entry();
return len;
}
@ -813,14 +884,14 @@ channel_clear(void)
{
uint8_t was_off = 0;
uint32_t cmd_status;
int8_t rssi = RF_CMD_CCA_REQ_RSSI_UNKNOWN;
int8_t rssi = RF_CORE_CMD_CCA_REQ_RSSI_UNKNOWN;
/*
* 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) {
return RF_CCA_CLEAR;
return RF_CORE_CCA_CLEAR;
}
if(!rf_core_is_accessible()) {
@ -830,16 +901,16 @@ channel_clear(void)
if(was_off) {
off();
}
return RF_CCA_CLEAR;
return RF_CORE_CCA_CLEAR;
}
} else {
if(transmitting()) {
PRINTF("channel_clear: called while in TX\n");
return RF_CCA_CLEAR;
return RF_CORE_CCA_CLEAR;
}
}
while(rssi == RF_CMD_CCA_REQ_RSSI_UNKNOWN || rssi == 0) {
while(rssi == RF_CORE_CMD_CCA_REQ_RSSI_UNKNOWN || rssi == 0) {
if(rf_core_send_cmd(CMDR_DIR_CMD(CMD_GET_RSSI), &cmd_status)
!= RF_CORE_CMD_OK) {
break;
@ -853,10 +924,10 @@ channel_clear(void)
}
if(rssi >= rssi_threshold) {
return RF_CCA_BUSY;
return RF_CORE_CCA_BUSY;
}
return RF_CCA_CLEAR;
return RF_CORE_CCA_CLEAR;
}
/*---------------------------------------------------------------------------*/
static int
@ -866,11 +937,23 @@ receiving_packet(void)
return 0;
}
if(channel_clear() == RF_CCA_CLEAR) {
return 0;
if(!is_receiving_packet) {
/* Look for the modem synchronization word detection interrupt flag.
* This flag is raised when the synchronization word is received.
*/
if(HWREG(RFC_DBELL_BASE + RFC_DBELL_O_RFHWIFG) & RFC_DBELL_RFHWIFG_MDMSOFT) {
is_receiving_packet = 1;
}
} else {
/* After the start of the packet: reset the Rx flag once the channel gets clear */
is_receiving_packet = (channel_clear() == RF_CORE_CCA_BUSY);
if(!is_receiving_packet) {
/* Clear the modem sync flag */
ti_lib_rfc_hw_int_clear(RFC_DBELL_RFHWIFG_MDMSOFT);
}
}
return 1;
return is_receiving_packet;
}
/*---------------------------------------------------------------------------*/
static int
@ -881,10 +964,13 @@ pending_packet(void)
/* Go through all RX buffers and check their status */
do {
if(entry->status == DATA_ENTRY_STATUS_FINISHED) {
rv += 1;
if(entry->status == DATA_ENTRY_STATUS_FINISHED
|| entry->status == DATA_ENTRY_STATUS_BUSY) {
rv = 1;
if(!rf_core_poll_mode) {
process_poll(&rf_core_process);
}
}
entry = (rfc_dataEntry_t *)entry->pNextEntry;
} while(entry != (rfc_dataEntry_t *)rx_data_queue.pCurrEntry);
@ -904,18 +990,18 @@ on(void)
return RF_CORE_CMD_OK;
}
/*
* 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(rf_is_on()) {
PRINTF("on: We were on. PD=%u, RX=0x%04x \n", rf_core_is_accessible(),
smartrf_settings_cmd_prop_rx_adv.status);
return RF_CORE_CMD_OK;
}
/*
* 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(!rf_core_is_accessible()) {
if(rf_core_power_up() != RF_CORE_CMD_OK) {
PRINTF("on: rf_core_power_up() failed\n");
@ -958,7 +1044,7 @@ on(void)
}
}
rf_core_setup_interrupts(false);
rf_core_setup_interrupts();
init_rx_buffers();
@ -985,6 +1071,9 @@ on(void)
static int
off(void)
{
int i;
rfc_dataEntry_t *entry;
/*
* 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.
@ -998,15 +1087,39 @@ off(void)
ENERGEST_OFF(ENERGEST_TYPE_LISTEN);
#if !CC2650_FAST_RADIO_STARTUP
/* Switch HF clock source to the RCOSC to preserve power */
oscillators_switch_to_hf_rc();
#endif
/* We pulled the plug, so we need to restore the status manually */
smartrf_settings_cmd_prop_rx_adv.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
*/
for(i = 0; i < PROP_MODE_RX_BUF_CNT; i++) {
entry = (rfc_dataEntry_t *)rx_buf[i];
if(entry->status == DATA_ENTRY_STATUS_BUSY) {
entry->status = DATA_ENTRY_STATUS_PENDING;
}
}
return RF_CORE_CMD_OK;
}
/*---------------------------------------------------------------------------*/
/* Enable or disable CCA before sending */
static radio_result_t
set_send_on_cca(uint8_t enable)
{
if(enable) {
/* this driver does not have support for CCA on Tx */
return RADIO_RESULT_NOT_SUPPORTED;
}
return RADIO_RESULT_OK;
}
/*---------------------------------------------------------------------------*/
static radio_result_t
get_value(radio_param_t param, radio_value_t *value)
{
@ -1022,6 +1135,15 @@ get_value(radio_param_t param, radio_value_t *value)
case RADIO_PARAM_CHANNEL:
*value = (radio_value_t)get_channel();
return RADIO_RESULT_OK;
case RADIO_PARAM_RX_MODE:
*value = 0;
if(rf_core_poll_mode) {
*value |= RADIO_RX_MODE_POLL_MODE;
}
return RADIO_RESULT_OK;
case RADIO_PARAM_TX_MODE:
*value = 0;
return RADIO_RESULT_OK;
case RADIO_PARAM_TXPOWER:
*value = get_tx_power();
return RADIO_RESULT_OK;
@ -1031,7 +1153,7 @@ get_value(radio_param_t param, radio_value_t *value)
case RADIO_PARAM_RSSI:
*value = get_rssi();
if(*value == RF_CMD_CCA_REQ_RSSI_UNKNOWN) {
if(*value == RF_CORE_CMD_CCA_REQ_RSSI_UNKNOWN) {
return RADIO_RESULT_ERROR;
} else {
return RADIO_RESULT_OK;
@ -1048,6 +1170,28 @@ get_value(radio_param_t param, radio_value_t *value)
case RADIO_CONST_TXPOWER_MAX:
*value = OUTPUT_POWER_MAX;
return RADIO_RESULT_OK;
case RADIO_PARAM_LAST_RSSI:
*value = rf_core_last_rssi;
return RADIO_RESULT_OK;
case RADIO_PARAM_LAST_LINK_QUALITY:
*value = rf_core_last_corr_lqi;
return RADIO_RESULT_OK;
case RADIO_CONST_PHY_OVERHEAD:
/* 2 header bytes, 2 or 4 bytes CRC */
*value = (radio_value_t)(DOT_4G_PHR_LEN + CRC_LEN);
return RADIO_RESULT_OK;
case RADIO_CONST_BYTE_AIR_TIME:
*value = (radio_value_t)RADIO_BYTE_AIR_TIME;
return RADIO_RESULT_OK;
case RADIO_CONST_DELAY_BEFORE_TX:
*value = (radio_value_t)RADIO_DELAY_BEFORE_TX;
return RADIO_RESULT_OK;
case RADIO_CONST_DELAY_BEFORE_RX:
*value = (radio_value_t)RADIO_DELAY_BEFORE_RX;
return RADIO_RESULT_OK;
case RADIO_CONST_DELAY_BEFORE_DETECT:
*value = (radio_value_t)RADIO_DELAY_BEFORE_DETECT;
return RADIO_RESULT_OK;
default:
return RADIO_RESULT_NOT_SUPPORTED;
}
@ -1056,8 +1200,8 @@ get_value(radio_param_t param, radio_value_t *value)
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;
uint8_t old_poll_mode;
switch(param) {
case RADIO_PARAM_POWER_MODE:
@ -1087,6 +1231,25 @@ set_value(radio_param_t param, radio_value_t value)
set_channel((uint8_t)value);
break;
case RADIO_PARAM_RX_MODE:
if(value & ~(RADIO_RX_MODE_POLL_MODE)) {
return RADIO_RESULT_INVALID_VALUE;
}
old_poll_mode = rf_core_poll_mode;
rf_core_poll_mode = (value & RADIO_RX_MODE_POLL_MODE) != 0;
if(rf_core_poll_mode == old_poll_mode) {
return RADIO_RESULT_OK;
}
break;
case RADIO_PARAM_TX_MODE:
if(value & ~(RADIO_TX_MODE_SEND_ON_CCA)) {
return RADIO_RESULT_INVALID_VALUE;
}
return set_send_on_cca((value & RADIO_TX_MODE_SEND_ON_CCA) != 0);
case RADIO_PARAM_TXPOWER:
if(value < TX_POWER_DRIVER[get_tx_power_array_last_element()].dbm ||
value > OUTPUT_POWER_MAX) {
@ -1103,8 +1266,7 @@ set_value(radio_param_t param, radio_value_t value)
}
return RADIO_RESULT_OK;
case RADIO_PARAM_RX_MODE:
return RADIO_RESULT_OK;
case RADIO_PARAM_CCA_THRESHOLD:
rssi_threshold = (int8_t)value;
break;
@ -1112,28 +1274,29 @@ set_value(radio_param_t param, radio_value_t value)
return RADIO_RESULT_NOT_SUPPORTED;
}
/* If we reach here we had no errors. Apply new settings */
/* If off, the new configuration will be applied the next time radio is started */
if(!rf_is_on()) {
was_off = 1;
if(on() != RF_CORE_CMD_OK) {
PRINTF("set_value: on() failed (2)\n");
return RADIO_RESULT_ERROR;
}
return RADIO_RESULT_OK;
}
/* If we reach here we had no errors. Apply new settings */
if(rx_off_prop() != RF_CORE_CMD_OK) {
PRINTF("set_value: rx_off_prop() failed\n");
rv = RADIO_RESULT_ERROR;
}
if(soft_on_prop() != RF_CORE_CMD_OK) {
PRINTF("set_value: rx_on_prop() failed\n");
rv = RADIO_RESULT_ERROR;
/* Restart the radio timer (RAT).
This causes resynchronization between RAT and RTC: useful for TSCH. */
if(rf_core_restart_rat() != RF_CORE_CMD_OK) {
PRINTF("set_value: rf_core_restart_rat() failed\n");
/* do not set the error */
} else {
rf_core_check_rat_overflow();
}
/* If we were off, turn back off */
if(was_off) {
off();
if(soft_on_prop() != RF_CORE_CMD_OK) {
PRINTF("set_value: soft_on_prop() failed\n");
rv = RADIO_RESULT_ERROR;
}
return rv;
@ -1142,6 +1305,15 @@ set_value(radio_param_t param, radio_value_t value)
static radio_result_t
get_object(radio_param_t param, void *dest, size_t size)
{
if(param == RADIO_PARAM_LAST_PACKET_TIMESTAMP) {
if(size != sizeof(rtimer_clock_t) || !dest) {
return RADIO_RESULT_INVALID_VALUE;
}
*(rtimer_clock_t *)dest = rf_core_last_packet_timestamp;
return RADIO_RESULT_OK;
}
return RADIO_RESULT_NOT_SUPPORTED;
}
/*---------------------------------------------------------------------------*/

168
arch/cpu/cc26xx-cc13xx/rf-core/rf-core.c
View File

@ -99,12 +99,37 @@ static rfc_radioOp_t *last_radio_op = NULL;
/* A struct holding pointers to the primary mode's abort() and restore() */
static const rf_core_primary_mode_t *primary_mode = NULL;
/*---------------------------------------------------------------------------*/
/* RAT has 32-bit register, overflows once 18 minutes */
#define RAT_RANGE 4294967296ull
/* approximate value */
#define RAT_OVERFLOW_PERIOD_SECONDS (60 * 18)
/* how often to check for the overflow, as a minimum */
#define RAT_OVERFLOW_TIMER_INTERVAL (CLOCK_SECOND * RAT_OVERFLOW_PERIOD_SECONDS / 3)
/* Radio timer (RAT) offset as compared to the rtimer counter (RTC) */
int32_t rat_offset = 0;
static bool rat_offset_known = false;
static int32_t rat_offset;
static bool rat_offset_known;
/* Value during the last read of the RAT register */
static uint32_t rat_last_value;
/* For RAT overflow handling */
static struct ctimer rat_overflow_timer;
static volatile uint32_t rat_overflow_counter;
static rtimer_clock_t rat_last_overflow;
static void rat_overflow_check_timer_cb(void *);
/*---------------------------------------------------------------------------*/
volatile int8_t rf_core_last_rssi = RF_CORE_CMD_CCA_REQ_RSSI_UNKNOWN;
volatile uint8_t rf_core_last_corr_lqi = 0;
volatile uint32_t rf_core_last_packet_timestamp = 0;
/*---------------------------------------------------------------------------*/
/* Are we currently in poll mode? */
uint8_t rf_core_poll_mode = 0;
/*---------------------------------------------------------------------------*/
/* Buffer full flag */
volatile bool rx_is_full = false;
volatile bool rf_core_rx_is_full = false;
/*---------------------------------------------------------------------------*/
PROCESS(rf_core_process, "CC13xx / CC26xx RF driver");
/*---------------------------------------------------------------------------*/
@ -451,10 +476,10 @@ rf_core_restart_rat(void)
}
/*---------------------------------------------------------------------------*/
void
rf_core_setup_interrupts(bool poll_mode)
rf_core_setup_interrupts(void)
{
bool interrupts_disabled;
const uint32_t enabled_irqs = poll_mode ? ENABLED_IRQS_POLL_MODE : ENABLED_IRQS;
const uint32_t enabled_irqs = rf_core_poll_mode ? ENABLED_IRQS_POLL_MODE : ENABLED_IRQS;
/* We are already turned on by the caller, so this should not happen */
if(!rf_core_is_accessible()) {
@ -485,19 +510,23 @@ rf_core_setup_interrupts(bool poll_mode)
}
/*---------------------------------------------------------------------------*/
void
rf_core_cmd_done_en(bool fg, bool poll_mode)
rf_core_cmd_done_en(bool fg)
{
uint32_t irq = fg ? IRQ_LAST_FG_COMMAND_DONE : IRQ_LAST_COMMAND_DONE;
const uint32_t enabled_irqs = poll_mode ? ENABLED_IRQS_POLL_MODE : ENABLED_IRQS;
uint32_t irq = 0;
const uint32_t enabled_irqs = rf_core_poll_mode ? ENABLED_IRQS_POLL_MODE : ENABLED_IRQS;
if(!rf_core_poll_mode) {
irq = fg ? IRQ_LAST_FG_COMMAND_DONE : IRQ_LAST_COMMAND_DONE;
}
HWREG(RFC_DBELL_NONBUF_BASE + RFC_DBELL_O_RFCPEIFG) = enabled_irqs;
HWREG(RFC_DBELL_NONBUF_BASE + RFC_DBELL_O_RFCPEIEN) = enabled_irqs | irq;
}
/*---------------------------------------------------------------------------*/
void
rf_core_cmd_done_dis(bool poll_mode)
rf_core_cmd_done_dis(void)
{
const uint32_t enabled_irqs = poll_mode ? ENABLED_IRQS_POLL_MODE : ENABLED_IRQS;
const uint32_t enabled_irqs = rf_core_poll_mode ? ENABLED_IRQS_POLL_MODE : ENABLED_IRQS;
HWREG(RFC_DBELL_NONBUF_BASE + RFC_DBELL_O_RFCPEIEN) = enabled_irqs;
}
/*---------------------------------------------------------------------------*/
@ -544,6 +573,123 @@ rf_core_primary_mode_restore()
return RF_CORE_CMD_ERROR;
}
/*---------------------------------------------------------------------------*/
uint8_t
rf_core_rat_init(void)
{
rat_last_value = HWREG(RFC_RAT_BASE + RATCNT);
ctimer_set(&rat_overflow_timer, RAT_OVERFLOW_TIMER_INTERVAL,
rat_overflow_check_timer_cb, NULL);
return 1;
}
/*---------------------------------------------------------------------------*/
uint8_t
rf_core_check_rat_overflow(void)
{
uint32_t rat_current_value;
uint8_t interrupts_disabled;
/* Bail out if the RF is not on */
if(primary_mode == NULL || !primary_mode->is_on()) {
return 0;
}
interrupts_disabled = ti_lib_int_master_disable();
rat_current_value = HWREG(RFC_RAT_BASE + RATCNT);
if(rat_current_value + RAT_RANGE / 4 < rat_last_value) {
/* Overflow detected */
rat_last_overflow = RTIMER_NOW();
rat_overflow_counter++;
}
rat_last_value = rat_current_value;
if(!interrupts_disabled) {
ti_lib_int_master_enable();
}
return 1;
}
/*---------------------------------------------------------------------------*/
static void
rat_overflow_check_timer_cb(void *unused)
{
uint8_t success = 0;
uint8_t was_off = 0;
if(primary_mode != NULL) {
if(!primary_mode->is_on()) {
was_off = 1;
if(NETSTACK_RADIO.on() != RF_CORE_CMD_OK) {
PRINTF("overflow: on() failed\n");
ctimer_set(&rat_overflow_timer, CLOCK_SECOND,
rat_overflow_check_timer_cb, NULL);
return;
}
}
success = rf_core_check_rat_overflow();
if(was_off) {
NETSTACK_RADIO.off();
}
}
if(success) {
/* Retry after half of the interval */
ctimer_set(&rat_overflow_timer, RAT_OVERFLOW_TIMER_INTERVAL,
rat_overflow_check_timer_cb, NULL);
} else {
/* Retry sooner */
ctimer_set(&rat_overflow_timer, CLOCK_SECOND,
rat_overflow_check_timer_cb, NULL);
}
}
/*---------------------------------------------------------------------------*/
uint32_t
rf_core_convert_rat_to_rtimer(uint32_t rat_timestamp)
{
uint64_t rat_timestamp64;
uint32_t adjusted_overflow_counter;
uint8_t was_off = 0;
if(primary_mode == NULL) {
PRINTF("rf_core_convert_rat_to_rtimer: not initialized\n");
return 0;
}
if(!primary_mode->is_on()) {
was_off = 1;
NETSTACK_RADIO.on();
}
rf_core_check_rat_overflow();
if(was_off) {
NETSTACK_RADIO.off();
}
adjusted_overflow_counter = rat_overflow_counter;
/* if the timestamp is large and the last oveflow was recently,
assume that the timestamp refers to the time before the overflow */
if(rat_timestamp > (uint32_t)(RAT_RANGE * 3 / 4)) {
if(RTIMER_CLOCK_LT(RTIMER_NOW(),
rat_last_overflow + RAT_OVERFLOW_PERIOD_SECONDS * RTIMER_SECOND / 4)) {
adjusted_overflow_counter--;
}
}
/* add the overflowed time to the timestamp */
rat_timestamp64 = rat_timestamp + RAT_RANGE * adjusted_overflow_counter;
/* correct timestamp so that it refers to the end of the SFD */
rat_timestamp64 += primary_mode->sfd_timestamp_offset;
return RADIO_TO_RTIMER(rat_timestamp64 - rat_offset);
}
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(rf_core_process, ev, data)
{
int len;
@ -586,7 +732,7 @@ cc26xx_rf_cpe1_isr(void)
if(HWREG(RFC_DBELL_NONBUF_BASE + RFC_DBELL_O_RFCPEIFG) & IRQ_RX_BUF_FULL) {
PRINTF("\nRF: BUF_FULL\n\n");
/* set a flag that the buffer is full*/
rx_is_full = true;
rf_core_rx_is_full = true;
/* make sure read_frame() will be called to make space in RX buffer */
process_poll(&rf_core_process);
/* Clear the IRQ_RX_BUF_FULL interrupt flag by writing zero to bit */

91
arch/cpu/cc26xx-cc13xx/rf-core/rf-core.h
View File

@ -133,6 +133,17 @@ typedef struct rf_core_primary_mode_s {
* \return RF_CORE_CMD_OK or RF_CORE_CMD_ERROR
*/
uint8_t (*restore)(void);
/**
* \brief A pointer to a function that checks if the radio is on
* \return 1 or 0
*/
uint8_t (*is_on)(void);
/**
* \brief Offset of the end of SFD when compared to the radio HW-generated timestamp
*/
int16_t sfd_timestamp_offset;
} rf_core_primary_mode_t;
/*---------------------------------------------------------------------------*/
/* RF Command status constants - Correspond to values in the CMDSTA register */
@ -263,12 +274,65 @@ typedef struct rf_core_primary_mode_s {
/* Radio timer register */
#define RATCNT 0x00000004
/*---------------------------------------------------------------------------*/
/* Buffer full flag */
extern volatile bool rx_is_full;
/* Special value returned by CMD_IEEE_CCA_REQ when an RSSI is not available */
#define RF_CORE_CMD_CCA_REQ_RSSI_UNKNOWN -128
/* Used for the return value of channel_clear */
#define RF_CORE_CCA_CLEAR 1
#define RF_CORE_CCA_BUSY 0
/* Used as an error return value for get_cca_info */
#define RF_CORE_GET_CCA_INFO_ERROR 0xFF
/*
* Values of the individual bits of the ccaInfo field in CMD_IEEE_CCA_REQ's
* status struct
*/
#define RF_CORE_CMD_CCA_REQ_CCA_STATE_IDLE 0 /* 00 */
#define RF_CORE_CMD_CCA_REQ_CCA_STATE_BUSY 1 /* 01 */
#define RF_CORE_CMD_CCA_REQ_CCA_STATE_INVALID 2 /* 10 */
#define RF_CORE_CMD_CCA_REQ_CCA_CORR_IDLE (0 << 4)
#define RF_CORE_CMD_CCA_REQ_CCA_CORR_BUSY (1 << 4)
#define RF_CORE_CMD_CCA_REQ_CCA_CORR_INVALID (3 << 4)
#define RF_CORE_CMD_CCA_REQ_CCA_CORR_MASK (3 << 4)
#define RF_CORE_CMD_CCA_REQ_CCA_SYNC_BUSY (1 << 6)
/*---------------------------------------------------------------------------*/
#define RF_CORE_RX_BUF_INCLUDE_CRC 0
#define RF_CORE_RX_BUF_INCLUDE_RSSI 1
#define RF_CORE_RX_BUF_INCLUDE_CORR 1
#define RF_CORE_RX_BUF_INCLUDE_TIMESTAMP 1
/*---------------------------------------------------------------------------*/
/* How long to wait for an ongoing ACK TX to finish before starting frame TX */
#define RF_CORE_TX_TIMEOUT (RTIMER_SECOND >> 11)
/* How long to wait for the RF to enter RX in rf_cmd_ieee_rx */
#define RF_CORE_ENTER_RX_TIMEOUT (RTIMER_SECOND >> 10)
/* How long to wait for the RF to react on CMD_ABORT: around 1 msec */
#define RF_CORE_TURN_OFF_TIMEOUT (RTIMER_SECOND >> 10)
/* How long to wait for the RF to finish TX of a packet or an ACK */
#define RF_CORE_TX_FINISH_TIMEOUT (RTIMER_SECOND >> 7)
/*---------------------------------------------------------------------------*/
/* Make the main driver process visible to mode drivers */
PROCESS_NAME(rf_core_process);
/*---------------------------------------------------------------------------*/
/* Buffer full flag */
extern volatile bool rf_core_rx_is_full;
/*---------------------------------------------------------------------------*/
/* RSSI of the last read frame */
extern volatile int8_t rf_core_last_rssi;
/* Correlation/LQI of the last read frame */
extern volatile uint8_t rf_core_last_corr_lqi;
/* SFD timestamp of the last read frame, in rtimer ticks */
extern volatile uint32_t rf_core_last_packet_timestamp;
/*---------------------------------------------------------------------------*/
/* Are we currently in poll mode? */
extern uint8_t rf_core_poll_mode;
/*---------------------------------------------------------------------------*/
/**
* \brief Check whether the RF core is accessible
* \retval RF_CORE_ACCESSIBLE The core is powered and ready for access
@ -383,20 +447,19 @@ uint8_t rf_core_boot(void);
/**
* \brief Setup RF core interrupts
*/
void rf_core_setup_interrupts(bool poll_mode);
void rf_core_setup_interrupts(void);
/**
* \brief Enable interrupt on command done.
* \param fg set true to enable irq on foreground command done and false for
* background commands or if not in ieee mode.
* \param poll_mode true if the driver is in poll mode
*
* This is used within TX routines in order to be able to sleep the CM3 and
* wake up after TX has finished
*
* \sa rf_core_cmd_done_dis()
*/
void rf_core_cmd_done_en(bool fg, bool poll_mode);
void rf_core_cmd_done_en(bool fg);
/**
* \brief Disable the LAST_CMD_DONE and LAST_FG_CMD_DONE interrupts.
@ -405,7 +468,7 @@ void rf_core_cmd_done_en(bool fg, bool poll_mode);
*
* \sa rf_core_cmd_done_en()
*/
void rf_core_cmd_done_dis(bool poll_mode);
void rf_core_cmd_done_dis(void);
/**
* \brief Returns a pointer to the most recent proto-dependent Radio Op
@ -467,6 +530,22 @@ void rf_core_primary_mode_abort(void);
* \brief Abort the currently running primary radio op
*/
uint8_t rf_core_primary_mode_restore(void);
/**
* \brief Initialize the RAT to RTC conversion machinery
*/
uint8_t rf_core_rat_init(void);
/**
* \brief Check if RAT overflow has occured and increment the overflow counter if so
*/
uint8_t rf_core_check_rat_overflow(void);
/**
* \brief Convert from RAT timestamp to rtimer ticks
*/
uint32_t rf_core_convert_rat_to_rtimer(uint32_t rat_timestamp);
/*---------------------------------------------------------------------------*/
#endif /* RF_CORE_H_ */
/*---------------------------------------------------------------------------*/

3
arch/cpu/cc26xx-cc13xx/ti-lib.h
View File

@ -399,6 +399,9 @@
#define ti_lib_rfc_rtrim(...) RFCRTrim(__VA_ARGS__)
#define ti_lib_rfc_adi3vco_ldo_voltage_mode(...) RFCAdi3VcoLdoVoltageMode(__VA_ARGS__)
#define ti_lib_rfc_hw_int_enable(...) RFCHwIntEnable(__VA_ARGS__)
#define ti_lib_rfc_hw_int_disable(...) RFCHwIntDisable(__VA_ARGS__)
#define ti_lib_rfc_hw_int_clear(...) RFCHwIntClear(__VA_ARGS__)
/*---------------------------------------------------------------------------*/
/* sys_ctrl.h */
#include "driverlib/sys_ctrl.h"

1
examples/6tisch/6p-packet/Makefile
View File

@ -2,7 +2,6 @@ CONTIKI_PROJECT = sixp-node
PROJECT_SOURCEFILES += test-sf.c
PLATFORMS_EXCLUDE = sky nrf52dk native simplelink
BOARDS_EXCLUDE = srf06/cc13xx launchpad/cc1310 launchpad/cc1350 sensortag/cc2650 sensortag/cc1350
CONTIKI = ../../../

2
examples/6tisch/etsi-plugtest-2017/Makefile
View File

@ -2,7 +2,7 @@ CONTIKI_PROJECT = node
all: $(CONTIKI_PROJECT)
PLATFORMS_EXCLUDE = sky nrf52dk native simplelink
BOARDS_EXCLUDE = srf06/cc13xx launchpad/cc1310 launchpad/cc1350 sensortag/cc2650 sensortag/cc1350
BOARDS_EXCLUDE = sensortag/cc2650 sensortag/cc1350
MAKE_WITH_SECURITY ?= 0 # force Security from command line
ifeq ($(MAKE_WITH_SECURITY),1)

1
examples/6tisch/simple-node/Makefile
View File

@ -2,7 +2,6 @@ CONTIKI_PROJECT = node
all: $(CONTIKI_PROJECT)
PLATFORMS_EXCLUDE = sky nrf52dk native simplelink
BOARDS_EXCLUDE = srf06/cc13xx launchpad/cc1310 launchpad/cc1350 sensortag/cc2650 sensortag/cc1350
CONTIKI=../../..

1
examples/6tisch/sixtop/Makefile
View File

@ -2,7 +2,6 @@ CONTIKI_PROJECT = node-sixtop
all: $(CONTIKI_PROJECT)
PLATFORMS_EXCLUDE = sky nrf52dk native simplelink
BOARDS_EXCLUDE = srf06/cc13xx launchpad/cc1310 launchpad/cc1350 sensortag/cc2650 sensortag/cc1350
PROJECT_SOURCEFILES += sf-simple.c
CONTIKI=../../..

7
os/net/app-layer/mqtt/mqtt.c
View File

@ -872,6 +872,7 @@ parse_publish_vhdr(struct mqtt_connection *conn,
/* Read out topic length */
if(conn->in_packet.topic_len_received == 0) {
conn->in_packet.topic_pos = 0;
conn->in_packet.topic_len = (input_data_ptr[(*pos)++] << 8);
conn->in_packet.byte_counter++;
if(*pos >= input_data_len) {
@ -880,7 +881,11 @@ parse_publish_vhdr(struct mqtt_connection *conn,
conn->in_packet.topic_len |= input_data_ptr[(*pos)++];
conn->in_packet.byte_counter++;
conn->in_packet.topic_len_received = 1;
/* Abort if topic is longer than our topic buffer */
if(conn->in_packet.topic_len > MQTT_MAX_TOPIC_LENGTH) {
DBG("MQTT - topic too long %u/%u\n", conn->in_packet.topic_len, MQTT_MAX_TOPIC_LENGTH);
return;
}
DBG("MQTT - Read PUBLISH topic len %i\n", conn->in_packet.topic_len);
/* WARNING: Check here if TOPIC fits in payload area, otherwise error */
}

4
os/net/mac/tsch/tsch-const.h
View File

@ -77,9 +77,7 @@
/* The approximate number of slots per second */
#define TSCH_SLOTS_PER_SECOND (1000000 / tsch_timing_us[tsch_ts_timeslot_length])
/* Calculate packet tx/rx duration in rtimer ticks based on sent
* packet len in bytes with 802.15.4 250kbps data rate.
* One byte = 32us. Add two bytes for CRC and one for len field */
/* Calculate packet tx/rx duration in rtimer ticks based on packet length in bytes. */
#define TSCH_PACKET_DURATION(len) US_TO_RTIMERTICKS(RADIO_BYTE_AIR_TIME * ((len) + RADIO_PHY_OVERHEAD))
/* Convert rtimer ticks to clock and vice versa */