/
radio.c
2720 lines (2265 loc) · 89.1 KB
/
radio.c
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/*
* Copyright (c) 2020, The OpenThread Authors.
* 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 copyright holder 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 COPYRIGHT HOLDERS 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 COPYRIGHT HOLDER 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.
*/
/**
* @file
* This file implements the OpenThread platform abstraction for radio communication.
*
*/
#include <assert.h>
#include "openthread-system.h"
#include <openthread/config.h>
#include <openthread/link.h>
#include <openthread/platform/alarm-micro.h>
#include <openthread/platform/alarm-milli.h>
#include <openthread/platform/diag.h>
#include <openthread/platform/radio.h>
#include "common/logging.hpp"
#include "utils/code_utils.h"
#include "utils/mac_frame.h"
#include "utils/soft_source_match_table.h"
#include "antenna.h"
#include "board_config.h"
#include "em_core.h"
#include "em_system.h"
#include "ieee802154mac.h"
#include "openthread-core-efr32-config.h"
#include "pa_conversions_efr32.h"
#include "platform-band.h"
#include "rail.h"
#include "rail_config.h"
#include "rail_ieee802154.h"
#ifdef SL_COMPONENT_CATALOG_PRESENT
#include "sl_component_catalog.h"
#endif // SL_COMPONENT_CATALOG_PRESENT
#ifdef SL_CATALOG_RAIL_UTIL_ANT_DIV_PRESENT
#include "sl_rail_util_ant_div.h"
#include "sl_rail_util_ant_div_config.h"
#endif // SL_CATALOG_RAIL_UTIL_ANT_DIV_PRESENT
#ifdef SL_CATALOG_RAIL_UTIL_COEX_PRESENT
#include "coexistence-802154.h"
#endif // SL_CATALOG_RAIL_UTIL_COEX_PRESENT
#ifdef SL_CATALOG_RAIL_UTIL_IEEE802154_STACK_EVENT_PRESENT
#include "sl_rail_util_ieee802154_stack_event.h"
#endif // SL_CATALOG_RAIL_UTIL_IEEE802154_STACK_EVENT_PRESENT
#ifdef SL_CATALOG_RAIL_UTIL_IEEE802154_PHY_SELECT_PRESENT
#include "sl_rail_util_ieee802154_phy_select.h"
#endif // #ifdef SL_CATALOG_RAIL_UTIL_IEEE802154_PHY_SELECT_PRESENT
//------------------------------------------------------------------------------
// Enums, macros and static variables
#define LOW_BYTE(n) ((uint8_t)((n)&0xFF))
#define HIGH_BYTE(n) ((uint8_t)(LOW_BYTE((n) >> 8)))
#define EFR32_RECEIVE_SENSITIVITY -100 // dBm
#define EFR32_RSSI_AVERAGING_TIME 16 // us
#define EFR32_RSSI_AVERAGING_TIMEOUT 300 // us
// Internal flags
#define FLAG_RADIO_INIT_DONE 0x0001
#define FLAG_ONGOING_TX_DATA 0x0002
#define FLAG_ONGOING_TX_ACK 0x0004
#define FLAG_WAITING_FOR_ACK 0x0008
#define FLAG_SYMBOL_TIMER_RUNNING 0x0010 // Not used
#define FLAG_CURRENT_TX_USE_CSMA 0x0020
#define FLAG_DATA_POLL_FRAME_PENDING_SET 0x0040
#define FLAG_CALIBRATION_NEEDED 0x0080 // Not used
#define FLAG_IDLE_PENDING 0x0100 // Not used
#define TX_COMPLETE_RESULT_SUCCESS 0x00 // Not used
#define TX_COMPLETE_RESULT_CCA_FAIL 0x01
#define TX_COMPLETE_RESULT_OTHER_FAIL 0x02
#define TX_COMPLETE_RESULT_NONE 0xFF // Not used
#define TX_WAITING_FOR_ACK 0x00
#define TX_NO_ACK 0x01
#define ONGOING_TX_FLAGS (FLAG_ONGOING_TX_DATA | FLAG_ONGOING_TX_ACK)
#define QUARTER_DBM_IN_DBM 4
#define US_IN_MS 1000
enum
{
#if RADIO_CONFIG_2P4GHZ_OQPSK_SUPPORT && RADIO_CONFIG_915MHZ_OQPSK_SUPPORT
EFR32_NUM_BAND_CONFIGS = 2,
#else
EFR32_NUM_BAND_CONFIGS = 1,
#endif
};
// Energy Scan
typedef enum
{
ENERGY_SCAN_STATUS_IDLE,
ENERGY_SCAN_STATUS_IN_PROGRESS,
ENERGY_SCAN_STATUS_COMPLETED
} energyScanStatus;
typedef enum
{
ENERGY_SCAN_MODE_SYNC,
ENERGY_SCAN_MODE_ASYNC
} energyScanMode;
static volatile energyScanStatus sEnergyScanStatus;
static volatile int8_t sEnergyScanResultDbm;
static energyScanMode sEnergyScanMode;
static bool sIsSrcMatchEnabled = false;
// Receive
static uint8_t sReceivePsdu[IEEE802154_MAX_LENGTH];
static uint8_t sReceiveAckPsdu[IEEE802154_ACK_LENGTH];
static otRadioFrame sReceiveFrame;
static otRadioFrame sReceiveAckFrame;
static otError sReceiveError;
// Transmit
static otRadioFrame sTransmitFrame;
static uint8_t sTransmitPsdu[IEEE802154_MAX_LENGTH];
static volatile otError sTransmitError;
static volatile bool sTransmitBusy = false;
static otRadioFrame * sTxFrame = NULL;
// Radio
#define CCA_THRESHOLD_UNINIT 127
#define CCA_THRESHOLD_DEFAULT -75 // dBm - default for 2.4GHz 802.15.4
static bool sPromiscuous = false;
static otRadioState sState = OT_RADIO_STATE_DISABLED;
static efr32CommonConfig sCommonConfig;
static efr32BandConfig sBandConfig[EFR32_NUM_BAND_CONFIGS];
static efr32BandConfig * sCurrentBandConfig = NULL;
static int8_t sCcaThresholdDbm = CCA_THRESHOLD_DEFAULT;
#if RADIO_CONFIG_DEBUG_COUNTERS_SUPPORT
static efr32RadioCounters sRailDebugCounters;
#endif
// RAIL
RAIL_Handle_t emPhyRailHandle;
#define gRailHandle emPhyRailHandle
static const RAIL_IEEE802154_Config_t sRailIeee802154Config = {
NULL, // addresses
{
// ackConfig
true, // ackConfig.enable
672, // ackConfig.ackTimeout
{
// ackConfig.rxTransitions
RAIL_RF_STATE_RX, // ackConfig.rxTransitions.success
RAIL_RF_STATE_RX, // ackConfig.rxTransitions.error
},
{
// ackConfig.txTransitions
RAIL_RF_STATE_RX, // ackConfig.txTransitions.success
RAIL_RF_STATE_RX, // ackConfig.txTransitions.error
},
},
{
// timings
100, // timings.idleToRx
192 - 10, // timings.txToRx
100, // timings.idleToTx
192, // timings.rxToTx
0, // timings.rxSearchTimeout
0, // timings.txToRxSearchTimeout
},
RAIL_IEEE802154_ACCEPT_STANDARD_FRAMES, // framesMask
false, // promiscuousMode
false, // isPanCoordinator
false, // defaultFramePendingInOutgoingAcks
};
// Misc
static volatile uint16_t miscInternalFlags = 0;
static bool emPendingData = false;
#ifdef SL_CATALOG_RAIL_UTIL_COEX_PRESENT
enum
{
RHO_INACTIVE = 0,
RHO_EXT_ACTIVE,
RHO_INT_ACTIVE, // Not used
RHO_BOTH_ACTIVE,
};
static uint8_t rhoActive = RHO_INACTIVE;
static bool ptaGntEventReported;
static bool sRadioCoexEnabled = true;
#if SL_OPENTHREAD_COEX_COUNTER_ENABLE
static uint32_t sCoexCounters[SL_RAIL_UTIL_COEX_EVENT_COUNT] = {0};
#endif // SL_OPENTHREAD_COEX_COUNTER_ENABLE
#endif // SL_CATALOG_RAIL_UTIL_COEX_PRESENT
#if (OPENTHREAD_CONFIG_THREAD_VERSION >= OT_THREAD_VERSION_1_2)
// Transmit Security
static uint32_t sMacFrameCounter;
static uint8_t sKeyId;
static struct otMacKey sPrevKey;
static struct otMacKey sCurrKey;
static struct otMacKey sNextKey;
#if OPENTHREAD_CONFIG_MAC_HEADER_IE_SUPPORT
// IE support
static otExtAddress sExtAddress;
static otRadioIeInfo sTransmitIeInfo;
#endif
#if OPENTHREAD_CONFIG_MAC_CSL_RECEIVER_ENABLE
// Enhanced ACKs, CSL
static bool sAckedWithSecEnhAck;
static uint32_t sAckFrameCounter;
static uint8_t sAckKeyId;
static uint8_t sAckIeData[OT_ACK_IE_MAX_SIZE];
static uint8_t sAckIeDataLength = 0;
static uint32_t sCslPeriod;
static uint32_t sCslSampleTime;
static const uint8_t sCslIeHeader[OT_IE_HEADER_SIZE] = {CSL_IE_HEADER_BYTES_LO, CSL_IE_HEADER_BYTES_HI};
static void processSecurityForEnhancedAck(uint8_t *aAckFrame)
{
otRadioFrame ackFrame;
struct otMacKey *key = NULL;
uint8_t keyId;
sAckedWithSecEnhAck = false;
otEXPECT(aAckFrame[1] & IEEE802154_FRAME_FLAG_SECURITY_ENABLED);
memset(&ackFrame, 0, sizeof(ackFrame));
ackFrame.mPsdu = &aAckFrame[1];
ackFrame.mLength = aAckFrame[0];
keyId = otMacFrameGetKeyId(&ackFrame);
otEXPECT(otMacFrameIsKeyIdMode1(&ackFrame) && keyId != 0);
if (keyId == sKeyId)
{
key = &sCurrKey;
}
else if (keyId == sKeyId - 1)
{
key = &sPrevKey;
}
else if (keyId == sKeyId + 1)
{
key = &sNextKey;
}
else
{
otEXPECT(false);
}
sAckFrameCounter = sMacFrameCounter;
sAckKeyId = keyId;
sAckedWithSecEnhAck = true;
ackFrame.mInfo.mTxInfo.mAesKey = key;
otMacFrameSetKeyId(&ackFrame, keyId);
otMacFrameSetFrameCounter(&ackFrame, sMacFrameCounter++);
// Perform AES-CCM encryption on the frame which is going to be sent.
otMacFrameProcessTransmitAesCcm(&ackFrame, &sExtAddress);
exit:
return;
}
static uint16_t getCslPhase()
{
uint32_t curTime = otPlatAlarmMicroGetNow();
uint32_t cslPeriodInUs = sCslPeriod * OT_US_PER_TEN_SYMBOLS;
uint32_t diff = ((sCslSampleTime % cslPeriodInUs) - (curTime % cslPeriodInUs) + cslPeriodInUs) % cslPeriodInUs;
return (uint16_t)(diff / OT_US_PER_TEN_SYMBOLS);
}
static void updateIeData(void)
{
// The CSL IE Content field:
// ___________________________________________________
// | Octets: 2 | Octets: 2 | Octets: 0/2 |
// |______________|______________|_____________________|
// | CSL Phase | CSL Period | Rendezvous time |
// |______________|______________|_____________________|
//
// Note: The rendezvous time is included right when sending the packet,
// (in txCurrentPacket), before updating the 802.15.4 header with CSL IEs.
// The tx frame is modified at the right offset (see mInfo.mTxInfo.mIeInfo->mTimeIeOffset)
int8_t offset = 0;
if (sCslPeriod > 0)
{
uint8_t *finger = sAckIeData;
memcpy(finger, sCslIeHeader, OT_IE_HEADER_SIZE);
finger += OT_IE_HEADER_SIZE;
uint16_t cslPhase = getCslPhase();
*finger++ = HIGH_BYTE(cslPhase);
*finger++ = LOW_BYTE(cslPhase);
*finger++ = HIGH_BYTE((uint16_t)sCslPeriod);
*finger++ = LOW_BYTE((uint16_t)sCslPeriod);
offset = finger - sAckIeData;
}
sAckIeDataLength = offset;
}
#endif // OPENTHREAD_CONFIG_MAC_CSL_RECEIVER_ENABLE
#endif // (OPENTHREAD_CONFIG_THREAD_VERSION >= OT_THREAD_VERSION_1_2)
//------------------------------------------------------------------------------
// Forward Declarations
static void RAILCb_Generic(RAIL_Handle_t aRailHandle, RAIL_Events_t aEvents);
static void efr32PhyStackInit(void);
#ifdef SL_CATALOG_RAIL_UTIL_COEX_PRESENT
static void efr32CoexInit(void);
// Try to transmit the current outgoing frame subject to MAC-level PTA
static void tryTxCurrentPacket(void);
#else
// Transmit the current outgoing frame.
void txCurrentPacket(void);
#define tryTxCurrentPacket txCurrentPacket
#endif // SL_CATALOG_RAIL_UTIL_COEX_PRESENT
static void txFailedCallback(bool isAck, uint8_t status);
static bool validatePacketDetails(RAIL_RxPacketHandle_t packetHandle,
RAIL_RxPacketDetails_t *pPacketDetails,
RAIL_RxPacketInfo_t * pPacketInfo,
uint16_t * packetLength);
static bool validatePacketTimestamp(RAIL_RxPacketDetails_t *pPacketDetails, uint16_t packetLength);
static void updateRxFrameDetails(RAIL_RxPacketDetails_t *pPacketDetails, bool framePendingSetInOutgoingAck);
//------------------------------------------------------------------------------
// Helper Functions
#ifdef SL_CATALOG_RAIL_UTIL_IEEE802154_STACK_EVENT_PRESENT
static bool phyStackEventIsEnabled(void)
{
bool result = false;
#if (defined(SL_CATALOG_RAIL_UTIL_ANT_DIV_PRESENT) && SL_RAIL_UTIL_ANT_DIV_RX_RUNTIME_PHY_SELECT)
result = true;
#endif // SL_CATALOG_RAIL_UTIL_ANT_DIV_PRESENT
#ifdef SL_CATALOG_RAIL_UTIL_COEX_PRESENT
result |= (sl_rail_util_coex_is_enabled() && sRadioCoexEnabled);
#endif // SL_CATALOG_RAIL_UTIL_COEX_PRESENT
return result;
}
static RAIL_Events_t currentEventConfig = RAIL_EVENTS_NONE;
static void updateEvents(RAIL_Events_t mask, RAIL_Events_t values)
{
RAIL_Status_t status;
RAIL_Events_t newEventConfig = (currentEventConfig & ~mask) | (values & mask);
if (newEventConfig != currentEventConfig)
{
currentEventConfig = newEventConfig;
status = RAIL_ConfigEvents(gRailHandle, mask, values);
assert(status == RAIL_STATUS_NO_ERROR);
}
}
static sl_rail_util_ieee802154_stack_event_t handlePhyStackEvent(sl_rail_util_ieee802154_stack_event_t stackEvent,
uint32_t supplement)
{
return (phyStackEventIsEnabled() ? sl_rail_util_ieee802154_on_event(stackEvent, supplement) : 0);
}
#else
static void updateEvents(RAIL_Events_t mask, RAIL_Events_t values)
{
RAIL_Status_t status;
status = RAIL_ConfigEvents(gRailHandle, mask, values);
assert(status == RAIL_STATUS_NO_ERROR);
}
#define handlePhyStackEvent(event, supplement) 0
#endif // SL_CATALOG_RAIL_UTIL_IEEE802154_STACK_EVENT_PRESENT
// Set or clear the passed flag.
static inline void setInternalFlag(uint16_t flag, bool val)
{
CORE_DECLARE_IRQ_STATE;
CORE_ENTER_ATOMIC();
miscInternalFlags = (val ? (miscInternalFlags | flag) : (miscInternalFlags & ~flag));
CORE_EXIT_ATOMIC();
}
// Returns true if the passed flag is set, false otherwise.
static inline bool getInternalFlag(uint16_t flag)
{
return ((miscInternalFlags & flag) != 0);
}
static inline bool txWaitingForAck(void)
{
return (sTransmitBusy == true && ((sTransmitFrame.mPsdu[0] & IEEE802154_FRAME_FLAG_ACK_REQUIRED) != 0));
}
static bool txIsDataRequest(void)
{
uint16_t fcf = sTransmitFrame.mPsdu[IEEE802154_FCF_OFFSET] | (sTransmitFrame.mPsdu[IEEE802154_FCF_OFFSET + 1] << 8);
return (sTransmitBusy == true && (fcf & IEEE802154_FRAME_TYPE_MASK) == IEEE802154_FRAME_TYPE_COMMAND);
}
#ifdef SL_CATALOG_RAIL_UTIL_IEEE802154_STACK_EVENT_PRESENT
static inline bool isReceivingFrame(void)
{
return (RAIL_GetRadioState(gRailHandle) & RAIL_RF_STATE_RX_ACTIVE) == RAIL_RF_STATE_RX_ACTIVE;
}
#endif
static void radioSetIdle(void)
{
if (RAIL_GetRadioState(gRailHandle) != RAIL_RF_STATE_IDLE)
{
RAIL_Idle(gRailHandle, RAIL_IDLE, true);
(void)handlePhyStackEvent(SL_RAIL_UTIL_IEEE802154_STACK_EVENT_TX_IDLED, 0U);
(void)handlePhyStackEvent(SL_RAIL_UTIL_IEEE802154_STACK_EVENT_RX_IDLED, 0U);
}
RAIL_YieldRadio(gRailHandle);
sState = OT_RADIO_STATE_SLEEP;
}
static otError radioSetRx(uint8_t aChannel)
{
otError error = OT_ERROR_NONE;
RAIL_Status_t status;
RAIL_SchedulerInfo_t bgRxSchedulerInfo = {
.priority = RADIO_SCHEDULER_BACKGROUND_RX_PRIORITY,
// sliptime/transaction time is not used for bg rx
};
status = RAIL_StartRx(gRailHandle, aChannel, &bgRxSchedulerInfo);
otEXPECT_ACTION(status == RAIL_STATUS_NO_ERROR, error = OT_ERROR_FAILED);
(void)handlePhyStackEvent(SL_RAIL_UTIL_IEEE802154_STACK_EVENT_RX_LISTEN, 0U);
sState = OT_RADIO_STATE_RECEIVE;
otLogInfoPlat("State=OT_RADIO_STATE_RECEIVE", NULL);
exit:
return error;
}
//------------------------------------------------------------------------------
// Radio Initialization
static RAIL_Handle_t efr32RailInit(efr32CommonConfig *aCommonConfig)
{
RAIL_Status_t status;
RAIL_Handle_t handle;
handle = RAIL_Init(&aCommonConfig->mRailConfig, NULL);
assert(handle != NULL);
#if defined(SL_CATALOG_POWER_MANAGER_PRESENT)
status = RAIL_InitPowerManager();
assert(status == RAIL_STATUS_NO_ERROR);
#endif // SL_CATALOG_POWER_MANAGER_PRESENT
status = RAIL_ConfigCal(handle, RAIL_CAL_ALL);
assert(status == RAIL_STATUS_NO_ERROR);
status = RAIL_IEEE802154_Init(handle, &sRailIeee802154Config);
assert(status == RAIL_STATUS_NO_ERROR);
#if (OPENTHREAD_CONFIG_THREAD_VERSION >= OT_THREAD_VERSION_1_2)
// Enhanced Frame Pending
// status = RAIL_IEEE802154_EnableEarlyFramePending(handle, true);
// assert(status == RAIL_STATUS_NO_ERROR);
// status = RAIL_IEEE802154_EnableDataFramePending(handle, true);
// assert(status == RAIL_STATUS_NO_ERROR);
// Enhanced ACKs (only on platforms that support it, so error checking is disabled)
RAIL_IEEE802154_ConfigEOptions(handle, (RAIL_IEEE802154_E_OPTION_GB868 | RAIL_IEEE802154_E_OPTION_ENH_ACK),
(RAIL_IEEE802154_E_OPTION_GB868 | RAIL_IEEE802154_E_OPTION_ENH_ACK));
#endif // (OPENTHREAD_CONFIG_THREAD_VERSION >= OT_THREAD_VERSION_1_2)
uint16_t actualLenth = RAIL_SetTxFifo(handle, aCommonConfig->mRailTxFifo, 0, sizeof(aCommonConfig->mRailTxFifo));
assert(actualLenth == sizeof(aCommonConfig->mRailTxFifo));
return handle;
}
static void efr32RailConfigLoad(efr32BandConfig *aBandConfig)
{
RAIL_Status_t status;
RAIL_TxPowerConfig_t txPowerConfig = {SL_RAIL_UTIL_PA_SELECTION_2P4GHZ, SL_RAIL_UTIL_PA_VOLTAGE_MV, 10};
#if RADIO_CONFIG_915MHZ_OQPSK_SUPPORT
if (aBandConfig->mChannelConfig != NULL)
{
uint16_t firstChannel = RAIL_ConfigChannels(gRailHandle, aBandConfig->mChannelConfig, NULL);
assert(firstChannel == aBandConfig->mChannelMin);
txPowerConfig.mode = RAIL_TX_POWER_MODE_SUBGIG;
}
else
#endif // RADIO_CONFIG_915MHZ_OQPSK_SUPPORT
{
#ifdef SL_CATALOG_RAIL_UTIL_IEEE802154_PHY_SELECT_PRESENT
status = sl_rail_util_plugin_config_2p4ghz_radio(gRailHandle);
#else
status = RAIL_IEEE802154_Config2p4GHzRadio(gRailHandle);
#endif // SL_CATALOG_RAIL_UTIL_IEEE802154_PHY_SELECT_PRESENT
assert(status == RAIL_STATUS_NO_ERROR);
}
status = RAIL_ConfigTxPower(gRailHandle, &txPowerConfig);
assert(status == RAIL_STATUS_NO_ERROR);
}
static void efr32RadioSetTxPower(int8_t aPowerDbm)
{
RAIL_Status_t status;
sl_rail_util_pa_init();
status = RAIL_SetTxPowerDbm(gRailHandle, ((RAIL_TxPower_t)aPowerDbm) * 10);
assert(status == RAIL_STATUS_NO_ERROR);
}
static efr32BandConfig *efr32RadioGetBandConfig(uint8_t aChannel)
{
efr32BandConfig *config = NULL;
for (uint8_t i = 0; i < EFR32_NUM_BAND_CONFIGS; i++)
{
if ((sBandConfig[i].mChannelMin <= aChannel) && (aChannel <= sBandConfig[i].mChannelMax))
{
config = &sBandConfig[i];
break;
}
}
return config;
}
static void efr32ConfigInit(void (*aEventCallback)(RAIL_Handle_t railHandle, RAIL_Events_t events))
{
sCommonConfig.mRailConfig.eventsCallback = aEventCallback;
sCommonConfig.mRailConfig.protocol = NULL; // only used by Bluetooth stack
#if RADIO_CONFIG_DMP_SUPPORT
sCommonConfig.mRailConfig.scheduler = &(sCommonConfig.mRailSchedState);
#else
sCommonConfig.mRailConfig.scheduler = NULL; // only needed for DMP
#endif
uint8_t index = 0;
#if RADIO_CONFIG_2P4GHZ_OQPSK_SUPPORT
sBandConfig[index].mChannelConfig = NULL;
sBandConfig[index].mChannelMin = OT_RADIO_2P4GHZ_OQPSK_CHANNEL_MIN;
sBandConfig[index].mChannelMax = OT_RADIO_2P4GHZ_OQPSK_CHANNEL_MAX;
index++;
#endif
#if RADIO_CONFIG_915MHZ_OQPSK_SUPPORT
sBandConfig[index].mChannelConfig = channelConfigs[0]; // TO DO: channel config??
sBandConfig[index].mChannelMin = OT_RADIO_915MHZ_OQPSK_CHANNEL_MIN;
sBandConfig[index].mChannelMax = OT_RADIO_915MHZ_OQPSK_CHANNEL_MAX;
#endif
#if RADIO_CONFIG_DEBUG_COUNTERS_SUPPORT
memset(&sRailDebugCounters, 0x00, sizeof(efr32RadioCounters));
#endif
gRailHandle = efr32RailInit(&sCommonConfig);
assert(gRailHandle != NULL);
updateEvents(RAIL_EVENTS_ALL,
(0 | RAIL_EVENT_RX_ACK_TIMEOUT | RAIL_EVENT_RX_PACKET_RECEIVED | RAIL_EVENTS_TXACK_COMPLETION |
RAIL_EVENTS_TX_COMPLETION | RAIL_EVENT_RSSI_AVERAGE_DONE | RAIL_EVENT_IEEE802154_DATA_REQUEST_COMMAND
#if RADIO_CONFIG_DEBUG_COUNTERS_SUPPORT || RADIO_CONFIG_DMP_SUPPORT
| RAIL_EVENT_CONFIG_SCHEDULED | RAIL_EVENT_CONFIG_UNSCHEDULED | RAIL_EVENT_SCHEDULER_STATUS
#endif
| RAIL_EVENT_CAL_NEEDED));
efr32RailConfigLoad(&(sBandConfig[0]));
}
void efr32RadioInit(void)
{
if (getInternalFlag(FLAG_RADIO_INIT_DONE))
{
return;
}
RAIL_Status_t status;
// check if RAIL_TX_FIFO_SIZE is power of two..
assert((RAIL_TX_FIFO_SIZE & (RAIL_TX_FIFO_SIZE - 1)) == 0);
// check the limits of the RAIL_TX_FIFO_SIZE.
assert((RAIL_TX_FIFO_SIZE >= 64) || (RAIL_TX_FIFO_SIZE <= 4096));
efr32ConfigInit(RAILCb_Generic);
setInternalFlag(FLAG_RADIO_INIT_DONE, true);
status = RAIL_ConfigSleep(gRailHandle, RAIL_SLEEP_CONFIG_TIMERSYNC_ENABLED);
assert(status == RAIL_STATUS_NO_ERROR);
sReceiveFrame.mLength = 0;
sReceiveFrame.mPsdu = sReceivePsdu;
sReceiveAckFrame.mLength = 0;
sReceiveAckFrame.mPsdu = sReceiveAckPsdu;
sTransmitFrame.mLength = 0;
sTransmitFrame.mPsdu = sTransmitPsdu;
#if (OPENTHREAD_CONFIG_THREAD_VERSION >= OT_THREAD_VERSION_1_2)
#if OPENTHREAD_CONFIG_MAC_HEADER_IE_SUPPORT
sTransmitFrame.mInfo.mTxInfo.mIeInfo = &sTransmitIeInfo;
#endif
#endif
sCurrentBandConfig = efr32RadioGetBandConfig(OPENTHREAD_CONFIG_DEFAULT_CHANNEL);
assert(sCurrentBandConfig != NULL);
efr32RadioSetTxPower(OPENTHREAD_CONFIG_DEFAULT_TRANSMIT_POWER);
assert(RAIL_ConfigRxOptions(gRailHandle, RAIL_RX_OPTION_TRACK_ABORTED_FRAMES,
RAIL_RX_OPTION_TRACK_ABORTED_FRAMES) == RAIL_STATUS_NO_ERROR);
efr32PhyStackInit();
sEnergyScanStatus = ENERGY_SCAN_STATUS_IDLE;
sTransmitError = OT_ERROR_NONE;
sTransmitBusy = false;
otLogInfoPlat("Initialized", NULL);
}
void efr32RadioDeinit(void)
{
RAIL_Status_t status;
RAIL_Idle(gRailHandle, RAIL_IDLE_ABORT, true);
status = RAIL_ConfigEvents(gRailHandle, RAIL_EVENTS_ALL, 0);
assert(status == RAIL_STATUS_NO_ERROR);
sCurrentBandConfig = NULL;
}
//------------------------------------------------------------------------------
// Energy Scan support
static void energyScanComplete(int8_t scanResultDbm)
{
sEnergyScanResultDbm = scanResultDbm;
sEnergyScanStatus = ENERGY_SCAN_STATUS_COMPLETED;
}
static otError efr32StartEnergyScan(energyScanMode aMode, uint16_t aChannel, RAIL_Time_t aAveragingTimeUs)
{
RAIL_Status_t status = RAIL_STATUS_NO_ERROR;
otError error = OT_ERROR_NONE;
efr32BandConfig *config = NULL;
otEXPECT_ACTION(sEnergyScanStatus == ENERGY_SCAN_STATUS_IDLE, error = OT_ERROR_BUSY);
sEnergyScanStatus = ENERGY_SCAN_STATUS_IN_PROGRESS;
sEnergyScanMode = aMode;
RAIL_Idle(gRailHandle, RAIL_IDLE, true);
config = efr32RadioGetBandConfig(aChannel);
otEXPECT_ACTION(config != NULL, error = OT_ERROR_INVALID_ARGS);
if (sCurrentBandConfig != config)
{
efr32RailConfigLoad(config);
sCurrentBandConfig = config;
}
RAIL_SchedulerInfo_t scanSchedulerInfo = {.priority = RADIO_SCHEDULER_CHANNEL_SCAN_PRIORITY,
.slipTime = RADIO_SCHEDULER_CHANNEL_SLIP_TIME,
.transactionTime = aAveragingTimeUs};
status = RAIL_StartAverageRssi(gRailHandle, aChannel, aAveragingTimeUs, &scanSchedulerInfo);
otEXPECT_ACTION(status == RAIL_STATUS_NO_ERROR, error = OT_ERROR_FAILED);
exit:
if (status != RAIL_STATUS_NO_ERROR)
{
energyScanComplete(OT_RADIO_RSSI_INVALID);
}
return error;
}
//------------------------------------------------------------------------------
// Stack support
void otPlatRadioGetIeeeEui64(otInstance *aInstance, uint8_t *aIeeeEui64)
{
OT_UNUSED_VARIABLE(aInstance);
uint64_t eui64;
uint8_t *eui64Ptr = NULL;
eui64 = SYSTEM_GetUnique();
eui64Ptr = (uint8_t *)&eui64;
for (uint8_t i = 0; i < OT_EXT_ADDRESS_SIZE; i++)
{
aIeeeEui64[i] = eui64Ptr[(OT_EXT_ADDRESS_SIZE - 1) - i];
}
}
void otPlatRadioSetPanId(otInstance *aInstance, uint16_t aPanId)
{
OT_UNUSED_VARIABLE(aInstance);
RAIL_Status_t status;
otLogInfoPlat("PANID=%X", aPanId);
utilsSoftSrcMatchSetPanId(aPanId);
status = RAIL_IEEE802154_SetPanId(gRailHandle, aPanId, 0);
assert(status == RAIL_STATUS_NO_ERROR);
}
void otPlatRadioSetExtendedAddress(otInstance *aInstance, const otExtAddress *aAddress)
{
OT_UNUSED_VARIABLE(aInstance);
#if (OPENTHREAD_CONFIG_THREAD_VERSION >= OT_THREAD_VERSION_1_2)
#if OPENTHREAD_CONFIG_MAC_HEADER_IE_SUPPORT
for (size_t i = 0; i < sizeof(*aAddress); i++)
{
sExtAddress.m8[i] = aAddress->m8[sizeof(*aAddress) - 1 - i];
}
#endif
#endif
RAIL_Status_t status;
otLogInfoPlat("ExtAddr=%X%X%X%X%X%X%X%X", aAddress->m8[7], aAddress->m8[6], aAddress->m8[5], aAddress->m8[4],
aAddress->m8[3], aAddress->m8[2], aAddress->m8[1], aAddress->m8[0]);
status = RAIL_IEEE802154_SetLongAddress(gRailHandle, (uint8_t *)aAddress->m8, 0);
assert(status == RAIL_STATUS_NO_ERROR);
}
void otPlatRadioSetShortAddress(otInstance *aInstance, uint16_t aAddress)
{
OT_UNUSED_VARIABLE(aInstance);
RAIL_Status_t status;
otLogInfoPlat("ShortAddr=%X", aAddress);
status = RAIL_IEEE802154_SetShortAddress(gRailHandle, aAddress, 0);
assert(status == RAIL_STATUS_NO_ERROR);
}
bool otPlatRadioIsEnabled(otInstance *aInstance)
{
OT_UNUSED_VARIABLE(aInstance);
return (sState != OT_RADIO_STATE_DISABLED);
}
otError otPlatRadioEnable(otInstance *aInstance)
{
otEXPECT(!otPlatRadioIsEnabled(aInstance));
otLogInfoPlat("State=OT_RADIO_STATE_SLEEP", NULL);
sState = OT_RADIO_STATE_SLEEP;
exit:
return OT_ERROR_NONE;
}
otError otPlatRadioDisable(otInstance *aInstance)
{
otEXPECT(otPlatRadioIsEnabled(aInstance));
otLogInfoPlat("State=OT_RADIO_STATE_DISABLED", NULL);
sState = OT_RADIO_STATE_DISABLED;
exit:
return OT_ERROR_NONE;
}
otError otPlatRadioSleep(otInstance *aInstance)
{
OT_UNUSED_VARIABLE(aInstance);
otError error = OT_ERROR_NONE;
otEXPECT_ACTION((sState != OT_RADIO_STATE_TRANSMIT) && (sState != OT_RADIO_STATE_DISABLED),
error = OT_ERROR_INVALID_STATE);
otLogInfoPlat("State=OT_RADIO_STATE_SLEEP", NULL);
radioSetIdle();
exit:
return error;
}
otError otPlatRadioReceive(otInstance *aInstance, uint8_t aChannel)
{
otError error = OT_ERROR_NONE;
RAIL_Status_t status;
efr32BandConfig *config;
OT_UNUSED_VARIABLE(aInstance);
otEXPECT_ACTION(sState != OT_RADIO_STATE_DISABLED, error = OT_ERROR_INVALID_STATE);
config = efr32RadioGetBandConfig(aChannel);
otEXPECT_ACTION(config != NULL, error = OT_ERROR_INVALID_ARGS);
if (sCurrentBandConfig != config)
{
RAIL_Idle(gRailHandle, RAIL_IDLE, true);
efr32RailConfigLoad(config);
sCurrentBandConfig = config;
}
status = radioSetRx(aChannel);
otEXPECT_ACTION(status == RAIL_STATUS_NO_ERROR, error = OT_ERROR_FAILED);
sReceiveFrame.mChannel = aChannel;
sReceiveAckFrame.mChannel = aChannel;
exit:
return error;
}
otError otPlatRadioTransmit(otInstance *aInstance, otRadioFrame *aFrame)
{
otError error = OT_ERROR_NONE;
efr32BandConfig *config;
otEXPECT_ACTION((sState != OT_RADIO_STATE_DISABLED) && (sState != OT_RADIO_STATE_TRANSMIT),
error = OT_ERROR_INVALID_STATE);
config = efr32RadioGetBandConfig(aFrame->mChannel);
otEXPECT_ACTION(config != NULL, error = OT_ERROR_INVALID_ARGS);
if (sCurrentBandConfig != config)
{
RAIL_Idle(gRailHandle, RAIL_IDLE, true);
efr32RailConfigLoad(config);
sCurrentBandConfig = config;
}
assert(sTransmitBusy == false);
sState = OT_RADIO_STATE_TRANSMIT;
sTransmitError = OT_ERROR_NONE;
sTransmitBusy = true;
sTxFrame = aFrame;
setInternalFlag(FLAG_CURRENT_TX_USE_CSMA, aFrame->mInfo.mTxInfo.mCsmaCaEnabled);
CORE_DECLARE_IRQ_STATE;
CORE_ENTER_ATOMIC();
setInternalFlag(FLAG_ONGOING_TX_DATA, true);
tryTxCurrentPacket();
CORE_EXIT_ATOMIC();
if (sTransmitError == OT_ERROR_NONE)
{
otPlatRadioTxStarted(aInstance, aFrame);
}
exit:
return error;
}
void txCurrentPacket(void)
{
assert(getInternalFlag(FLAG_ONGOING_TX_DATA));
assert(sTxFrame != NULL);
RAIL_CsmaConfig_t csmaConfig = RAIL_CSMA_CONFIG_802_15_4_2003_2p4_GHz_OQPSK_CSMA;
RAIL_TxOptions_t txOptions = RAIL_TX_OPTIONS_DEFAULT;
RAIL_Status_t status;
uint8_t frameLength;
bool ackRequested;
#if RADIO_CONFIG_DEBUG_COUNTERS_SUPPORT
sRailDebugCounters.mRailPlatTxTriggered++;
#endif
// signalling this event earlier, as this event can assert REQ (expecially for a
// non-CSMA transmit) giving the Coex master a little more time to grant or deny.
if (getInternalFlag(FLAG_CURRENT_TX_USE_CSMA))
{
(void)handlePhyStackEvent(SL_RAIL_UTIL_IEEE802154_STACK_EVENT_TX_PENDED_PHY, (uint32_t) true);
}
else
{
(void)handlePhyStackEvent(SL_RAIL_UTIL_IEEE802154_STACK_EVENT_TX_PENDED_PHY, (uint32_t) false);
}
frameLength = (uint8_t)sTxFrame->mLength;
#if OPENTHREAD_CONFIG_THREAD_VERSION >= OT_THREAD_VERSION_1_2
#if OPENTHREAD_CONFIG_MAC_CSL_RECEIVER_ENABLE
// Update IE data in the 802.15.4 header with the newest CSL period / phase
if (sCslPeriod > 0)
{
otMacFrameSetCslIe(sTxFrame, (uint16_t)sCslPeriod, getCslPhase());
}
#endif // OPENTHREAD_CONFIG_MAC_CSL_RECEIVER_ENABLE
#if OPENTHREAD_CONFIG_MAC_SOFTWARE_TX_SECURITY_ENABLE
bool processSecurity = false;
#endif
#if OPENTHREAD_CONFIG_TIME_SYNC_ENABLE
// Seek the time sync offset and update the rendezvous time
if (sTxFrame->mInfo.mTxInfo.mIeInfo->mTimeIeOffset != 0)
{
uint8_t *timeIe = sTxFrame->mPsdu + sTxFrame->mInfo.mTxInfo.mIeInfo->mTimeIeOffset;
uint64_t time = otPlatTimeGet() + sTxFrame->mInfo.mTxInfo.mIeInfo->mNetworkTimeOffset;
*timeIe = sTxFrame->mInfo.mTxInfo.mIeInfo->mTimeSyncSeq;
*(++timeIe) = (uint8_t)(time & 0xff);
for (uint8_t i = 1; i < sizeof(uint64_t); i++)
{
time = time >> 8;
*(++timeIe) = (uint8_t)(time & 0xff);
}
#if OPENTHREAD_CONFIG_MAC_SOFTWARE_TX_SECURITY_ENABLE
processSecurity = true;
#endif
}
#endif // OPENTHREAD_CONFIG_TIME_SYNC_ENABLE
#if OPENTHREAD_CONFIG_MAC_SOFTWARE_TX_SECURITY_ENABLE
if (otMacFrameIsSecurityEnabled(sTxFrame) && otMacFrameIsKeyIdMode1(sTxFrame) &&
!sTxFrame->mInfo.mTxInfo.mIsSecurityProcessed)
{
sTxFrame->mInfo.mTxInfo.mAesKey = &sCurrKey;
if (!sTxFrame->mInfo.mTxInfo.mIsARetx)
{
otMacFrameSetKeyId(sTxFrame, sKeyId);
otMacFrameSetFrameCounter(sTxFrame, sMacFrameCounter++);
}
processSecurity = true;
}
if (processSecurity)
{
otMacFrameProcessTransmitAesCcm(sTxFrame, &sExtAddress);
}