| /* |
| * Copyright (c) 2017, 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/config.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/soft_source_match_table.h" |
| |
| #include "board_config.h" |
| #include "em_core.h" |
| #include "em_system.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" |
| |
| enum |
| { |
| IEEE802154_MIN_LENGTH = 5, |
| IEEE802154_MAX_LENGTH = 127, |
| IEEE802154_ACK_LENGTH = 5, |
| IEEE802154_FRAME_TYPE_MASK = 0x7, |
| IEEE802154_FRAME_TYPE_ACK = 0x2, |
| IEEE802154_FRAME_PENDING = 1 << 4, |
| IEEE802154_ACK_REQUEST = 1 << 5, |
| IEEE802154_DSN_OFFSET = 2, |
| }; |
| |
| enum |
| { |
| EFR32_RECEIVE_SENSITIVITY = -100, // dBm |
| EFR32_RSSI_AVERAGING_TIME = 16, // us |
| EFR32_RSSI_AVERAGING_TIMEOUT = 300, // us |
| }; |
| |
| enum |
| { |
| EFR32_SCHEDULER_SAMPLE_RSSI_PRIORITY = 10, // High priority |
| EFR32_SCHEDULER_TX_PRIORITY = 10, // High priority |
| EFR32_SCHEDULER_RX_PRIORITY = 20, // Low priority |
| }; |
| |
| enum |
| { |
| EFR32_NUM_BAND_CONFIGS = 1, |
| }; |
| |
| 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 bool sTransmitBusy = false; |
| static bool sPromiscuous = false; |
| static bool sIsSrcMatchEnabled = false; |
| static otRadioState sState = OT_RADIO_STATE_DISABLED; |
| |
| static uint8_t sReceivePsdu[IEEE802154_MAX_LENGTH]; |
| static otRadioFrame sReceiveFrame; |
| static otError sReceiveError; |
| |
| static otRadioFrame sTransmitFrame; |
| static uint8_t sTransmitPsdu[IEEE802154_MAX_LENGTH]; |
| static volatile otError sTransmitError; |
| |
| static efr32BandConfig sBandConfigs[EFR32_NUM_BAND_CONFIGS]; |
| |
| static volatile energyScanStatus sEnergyScanStatus; |
| static volatile int8_t sEnergyScanResultDbm; |
| static energyScanMode sEnergyScanMode; |
| |
| #define QUARTER_DBM_IN_DBM 4 |
| #define US_IN_MS 1000 |
| |
| static void RAILCb_Generic(RAIL_Handle_t aRailHandle, RAIL_Events_t aEvents); |
| |
| static const RAIL_IEEE802154_Config_t sRailIeee802154Config = { |
| NULL, // addresses |
| { |
| // ackConfig |
| true, // ackConfig.enable |
| 894, // 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 |
| }; |
| |
| RAIL_DECLARE_TX_POWER_VBAT_CURVES_ALT; |
| |
| static int8_t sTxPowerDbm = OPENTHREAD_CONFIG_DEFAULT_TRANSMIT_POWER; |
| |
| static efr32BandConfig *sTxBandConfig = NULL; |
| static efr32BandConfig *sRxBandConfig = NULL; |
| |
| static RAIL_Handle_t efr32RailConfigInit(efr32BandConfig *aBandConfig) |
| { |
| RAIL_Status_t status; |
| RAIL_Handle_t handle; |
| RAIL_DataConfig_t railDataConfig = { |
| TX_PACKET_DATA, |
| RX_PACKET_DATA, |
| PACKET_MODE, |
| PACKET_MODE, |
| }; |
| |
| handle = RAIL_Init(&aBandConfig->mRailConfig, NULL); |
| assert(handle != NULL); |
| |
| status = RAIL_ConfigData(handle, &railDataConfig); |
| assert(status == RAIL_STATUS_NO_ERROR); |
| |
| RAIL_Idle(handle, RAIL_IDLE, true); |
| |
| status = RAIL_ConfigCal(handle, RAIL_CAL_ALL); |
| assert(status == RAIL_STATUS_NO_ERROR); |
| |
| if (aBandConfig->mChannelConfig != NULL) |
| { |
| RAIL_ConfigChannels(handle, aBandConfig->mChannelConfig, NULL); |
| } |
| else |
| { |
| status = RAIL_IEEE802154_Config2p4GHzRadio(handle); |
| assert(status == RAIL_STATUS_NO_ERROR); |
| } |
| |
| status = RAIL_IEEE802154_Init(handle, &sRailIeee802154Config); |
| assert(status == RAIL_STATUS_NO_ERROR); |
| |
| status = RAIL_ConfigEvents(handle, RAIL_EVENTS_ALL, |
| RAIL_EVENT_RX_ACK_TIMEOUT | // |
| RAIL_EVENT_TX_PACKET_SENT | // |
| RAIL_EVENT_RX_PACKET_RECEIVED | // |
| RAIL_EVENT_RSSI_AVERAGE_DONE | // |
| RAIL_EVENT_SCHEDULER_STATUS | // |
| RAIL_EVENT_TX_CHANNEL_BUSY | // |
| RAIL_EVENT_TX_ABORTED | // |
| RAIL_EVENT_TX_BLOCKED | // |
| RAIL_EVENT_TX_UNDERFLOW | // |
| RAIL_EVENT_IEEE802154_DATA_REQUEST_COMMAND | // |
| RAIL_EVENT_CAL_NEEDED // |
| ); |
| assert(status == RAIL_STATUS_NO_ERROR); |
| |
| RAIL_SetTxFifo(handle, aBandConfig->mRailTxFifo, 0, sizeof(aBandConfig->mRailTxFifo)); |
| |
| return handle; |
| } |
| |
| static void efr32RadioSetTxPower(RAIL_Handle_t aRailHandle, |
| const RAIL_ChannelConfig_t *aChannelConfig, |
| uint8_t aPowerDbm) |
| { |
| RAIL_Status_t status; |
| const RAIL_TxPowerCurvesConfigAlt_t txPowerCurvesConfig = RAIL_DECLARE_TX_POWER_CURVES_CONFIG_ALT; |
| RAIL_TxPowerConfig_t txPowerConfig = {RAIL_TX_POWER_MODE_2P4_HP, 3300, 10}; |
| |
| status = RAIL_InitTxPowerCurvesAlt(&txPowerCurvesConfig); |
| assert(status == RAIL_STATUS_NO_ERROR); |
| |
| status = RAIL_ConfigTxPower(aRailHandle, &txPowerConfig); |
| assert(status == RAIL_STATUS_NO_ERROR); |
| |
| status = RAIL_SetTxPowerDbm(aRailHandle, ((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 ((sBandConfigs[i].mChannelMin <= aChannel) && (aChannel <= sBandConfigs[i].mChannelMax)) |
| { |
| config = &sBandConfigs[i]; |
| break; |
| } |
| } |
| |
| return config; |
| } |
| |
| static void efr32BandConfigInit(void (*aEventCallback)(RAIL_Handle_t railHandle, RAIL_Events_t events)) |
| { |
| uint8_t index = 0; |
| |
| #if RADIO_CONFIG_2P4GHZ_OQPSK_SUPPORT |
| sBandConfigs[index].mRailConfig.eventsCallback = aEventCallback; |
| sBandConfigs[index].mRailConfig.protocol = NULL; |
| sBandConfigs[index].mRailConfig.scheduler = &sBandConfigs[index].mRailSchedState; |
| sBandConfigs[index].mChannelConfig = NULL; |
| sBandConfigs[index].mChannelMin = OT_RADIO_2P4GHZ_OQPSK_CHANNEL_MIN; |
| sBandConfigs[index].mChannelMax = OT_RADIO_2P4GHZ_OQPSK_CHANNEL_MAX; |
| |
| assert((sBandConfigs[index].mRailHandle = efr32RailConfigInit(&sBandConfigs[index])) != NULL); |
| index++; |
| #endif |
| } |
| |
| void efr32RadioInit(void) |
| { |
| efr32BandConfigInit(RAILCb_Generic); |
| |
| sReceiveFrame.mLength = 0; |
| sReceiveFrame.mPsdu = sReceivePsdu; |
| sTransmitFrame.mLength = 0; |
| sTransmitFrame.mPsdu = sTransmitPsdu; |
| |
| sRxBandConfig = efr32RadioGetBandConfig(OPENTHREAD_CONFIG_DEFAULT_CHANNEL); |
| assert(sRxBandConfig != NULL); |
| |
| sTxBandConfig = sRxBandConfig; |
| efr32RadioSetTxPower(sTxBandConfig->mRailHandle, sTxBandConfig->mChannelConfig, sTxPowerDbm); |
| |
| sEnergyScanStatus = ENERGY_SCAN_STATUS_IDLE; |
| |
| otLogInfoPlat("Initialized", NULL); |
| } |
| |
| void efr32RadioDeinit(void) |
| { |
| RAIL_Status_t status; |
| |
| for (uint8_t i = 0; i < EFR32_NUM_BAND_CONFIGS; i++) |
| { |
| RAIL_Idle(sBandConfigs[i].mRailHandle, RAIL_IDLE_FORCE_SHUTDOWN_CLEAR_FLAGS, true); |
| |
| status = RAIL_IEEE802154_Deinit(sBandConfigs[i].mRailHandle); |
| assert(status == RAIL_STATUS_NO_ERROR); |
| |
| sBandConfigs[i].mRailHandle = NULL; |
| } |
| |
| sTxBandConfig = NULL; |
| sRxBandConfig = NULL; |
| } |
| |
| static otError efr32StartEnergyScan(energyScanMode aMode, uint16_t aChannel, RAIL_Time_t aAveragingTimeUs) |
| { |
| RAIL_Status_t status; |
| RAIL_SchedulerInfo_t schedulerInfo = {.priority = EFR32_SCHEDULER_SAMPLE_RSSI_PRIORITY}; |
| otError error = OT_ERROR_NONE; |
| |
| otEXPECT_ACTION(sEnergyScanStatus == ENERGY_SCAN_STATUS_IDLE, error = OT_ERROR_BUSY); |
| |
| sEnergyScanStatus = ENERGY_SCAN_STATUS_IN_PROGRESS; |
| sEnergyScanMode = aMode; |
| |
| RAIL_Idle(sRxBandConfig->mRailHandle, RAIL_IDLE, true); |
| |
| status = RAIL_StartAverageRssi(sRxBandConfig->mRailHandle, aChannel, aAveragingTimeUs, &schedulerInfo); |
| otEXPECT_ACTION(status == RAIL_STATUS_NO_ERROR, error = OT_ERROR_FAILED); |
| |
| exit: |
| return error; |
| } |
| |
| 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); |
| |
| for (uint8_t i = 0; i < EFR32_NUM_BAND_CONFIGS; i++) |
| { |
| status = RAIL_IEEE802154_SetPanId(sBandConfigs[i].mRailHandle, aPanId, 0); |
| assert(status == RAIL_STATUS_NO_ERROR); |
| } |
| } |
| |
| void otPlatRadioSetExtendedAddress(otInstance *aInstance, const otExtAddress *aAddress) |
| { |
| OT_UNUSED_VARIABLE(aInstance); |
| |
| 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]); |
| |
| for (uint8_t i = 0; i < EFR32_NUM_BAND_CONFIGS; i++) |
| { |
| status = RAIL_IEEE802154_SetLongAddress(sBandConfigs[i].mRailHandle, (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); |
| |
| for (uint8_t i = 0; i < EFR32_NUM_BAND_CONFIGS; i++) |
| { |
| status = RAIL_IEEE802154_SetShortAddress(sBandConfigs[i].mRailHandle, 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); |
| sState = OT_RADIO_STATE_SLEEP; |
| |
| for (uint8_t i = 0; i < EFR32_NUM_BAND_CONFIGS; i++) |
| { |
| RAIL_Idle(sBandConfigs[i].mRailHandle, RAIL_IDLE, true); |
| } |
| |
| exit: |
| return error; |
| } |
| |
| otError otPlatRadioReceive(otInstance *aInstance, uint8_t aChannel) |
| { |
| otError error = OT_ERROR_NONE; |
| RAIL_SchedulerInfo_t schedulerInfo = {.priority = EFR32_SCHEDULER_RX_PRIORITY}; |
| 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 (sRxBandConfig != config) |
| { |
| RAIL_Idle(sRxBandConfig->mRailHandle, RAIL_IDLE, false); |
| sRxBandConfig = config; |
| } |
| |
| status = RAIL_StartRx(sRxBandConfig->mRailHandle, aChannel, &schedulerInfo); |
| otEXPECT_ACTION(status == RAIL_STATUS_NO_ERROR, error = OT_ERROR_FAILED); |
| |
| otLogInfoPlat("State=OT_RADIO_STATE_RECEIVE", NULL); |
| sState = OT_RADIO_STATE_RECEIVE; |
| sReceiveFrame.mChannel = aChannel; |
| |
| exit: |
| return error; |
| } |
| |
| otError otPlatRadioTransmit(otInstance *aInstance, otRadioFrame *aFrame) |
| { |
| otError error = OT_ERROR_NONE; |
| RAIL_CsmaConfig_t csmaConfig = RAIL_CSMA_CONFIG_802_15_4_2003_2p4_GHz_OQPSK_CSMA; |
| RAIL_TxOptions_t txOptions = RAIL_TX_OPTIONS_NONE; |
| RAIL_SchedulerInfo_t schedulerInfo = {.priority = EFR32_SCHEDULER_TX_PRIORITY}; |
| efr32BandConfig * config; |
| RAIL_Status_t status; |
| uint8_t frameLength; |
| |
| 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); |
| |
| sState = OT_RADIO_STATE_TRANSMIT; |
| sTransmitError = OT_ERROR_NONE; |
| sTransmitBusy = true; |
| |
| if (sTxBandConfig != config) |
| { |
| efr32RadioSetTxPower(config->mRailHandle, config->mChannelConfig, sTxPowerDbm); |
| sTxBandConfig = config; |
| } |
| |
| otEXPECT(aFrame->mLength >= IEEE802154_MIN_LENGTH && aFrame->mLength <= IEEE802154_MAX_LENGTH); |
| frameLength = (uint8_t)aFrame->mLength; |
| RAIL_WriteTxFifo(sTxBandConfig->mRailHandle, &frameLength, sizeof frameLength, true); |
| RAIL_WriteTxFifo(sTxBandConfig->mRailHandle, aFrame->mPsdu, frameLength - 2, false); |
| |
| if (aFrame->mPsdu[0] & IEEE802154_ACK_REQUEST) |
| { |
| txOptions |= RAIL_TX_OPTION_WAIT_FOR_ACK; |
| } |
| |
| if (aFrame->mInfo.mTxInfo.mCsmaCaEnabled) |
| { |
| status = |
| RAIL_StartCcaCsmaTx(sTxBandConfig->mRailHandle, aFrame->mChannel, txOptions, &csmaConfig, &schedulerInfo); |
| } |
| else |
| { |
| status = RAIL_StartTx(sTxBandConfig->mRailHandle, aFrame->mChannel, txOptions, &schedulerInfo); |
| } |
| |
| if (status == RAIL_STATUS_NO_ERROR) |
| { |
| otPlatRadioTxStarted(aInstance, aFrame); |
| } |
| else |
| { |
| sTransmitError = OT_ERROR_CHANNEL_ACCESS_FAILURE; |
| sTransmitBusy = false; |
| } |
| |
| exit: |
| return error; |
| } |
| |
| otRadioFrame *otPlatRadioGetTransmitBuffer(otInstance *aInstance) |
| { |
| OT_UNUSED_VARIABLE(aInstance); |
| |
| return &sTransmitFrame; |
| } |
| |
| int8_t otPlatRadioGetRssi(otInstance *aInstance) |
| { |
| otError error; |
| uint32_t start; |
| int8_t rssi = OT_RADIO_RSSI_INVALID; |
| |
| OT_UNUSED_VARIABLE(aInstance); |
| |
| error = efr32StartEnergyScan(ENERGY_SCAN_MODE_SYNC, sReceiveFrame.mChannel, EFR32_RSSI_AVERAGING_TIME); |
| otEXPECT(error == OT_ERROR_NONE); |
| |
| start = RAIL_GetTime(); |
| |
| // waiting for the event RAIL_EVENT_RSSI_AVERAGE_DONE |
| while (sEnergyScanStatus == ENERGY_SCAN_STATUS_IN_PROGRESS && |
| ((RAIL_GetTime() - start) < EFR32_RSSI_AVERAGING_TIMEOUT)) |
| ; |
| |
| if (sEnergyScanStatus == ENERGY_SCAN_STATUS_COMPLETED) |
| { |
| rssi = sEnergyScanResultDbm; |
| } |
| |
| sEnergyScanStatus = ENERGY_SCAN_STATUS_IDLE; |
| |
| exit: |
| return rssi; |
| } |
| |
| otRadioCaps otPlatRadioGetCaps(otInstance *aInstance) |
| { |
| OT_UNUSED_VARIABLE(aInstance); |
| |
| return OT_RADIO_CAPS_ACK_TIMEOUT | OT_RADIO_CAPS_CSMA_BACKOFF | OT_RADIO_CAPS_ENERGY_SCAN; |
| } |
| |
| bool otPlatRadioGetPromiscuous(otInstance *aInstance) |
| { |
| OT_UNUSED_VARIABLE(aInstance); |
| |
| return sPromiscuous; |
| } |
| |
| void otPlatRadioSetPromiscuous(otInstance *aInstance, bool aEnable) |
| { |
| OT_UNUSED_VARIABLE(aInstance); |
| |
| RAIL_Status_t status; |
| |
| sPromiscuous = aEnable; |
| |
| for (uint8_t i = 0; i < EFR32_NUM_BAND_CONFIGS; i++) |
| { |
| status = RAIL_IEEE802154_SetPromiscuousMode(sBandConfigs[i].mRailHandle, aEnable); |
| assert(status == RAIL_STATUS_NO_ERROR); |
| } |
| } |
| |
| void otPlatRadioEnableSrcMatch(otInstance *aInstance, bool aEnable) |
| { |
| OT_UNUSED_VARIABLE(aInstance); |
| |
| // set Frame Pending bit for all outgoing ACKs if aEnable is false |
| sIsSrcMatchEnabled = aEnable; |
| } |
| |
| static void processNextRxPacket(otInstance *aInstance, RAIL_Handle_t aRailHandle) |
| { |
| RAIL_RxPacketHandle_t packetHandle = RAIL_RX_PACKET_HANDLE_INVALID; |
| RAIL_RxPacketInfo_t packetInfo; |
| RAIL_RxPacketDetails_t packetDetails; |
| RAIL_Status_t status; |
| uint16_t length; |
| |
| packetHandle = RAIL_GetRxPacketInfo(aRailHandle, RAIL_RX_PACKET_HANDLE_OLDEST, &packetInfo); |
| otEXPECT_ACTION(packetInfo.packetStatus == RAIL_RX_PACKET_READY_SUCCESS, |
| packetHandle = RAIL_RX_PACKET_HANDLE_INVALID); |
| |
| packetDetails.timeReceived.timePosition = RAIL_PACKET_TIME_INVALID; |
| packetDetails.timeReceived.totalPacketBytes = 0; |
| status = RAIL_GetRxPacketDetails(aRailHandle, packetHandle, &packetDetails); |
| otEXPECT(status == RAIL_STATUS_NO_ERROR); |
| |
| length = packetInfo.packetBytes + 1; |
| |
| // check the length in recv packet info structure |
| otEXPECT(length == packetInfo.firstPortionData[0]); |
| |
| // check the length validity of recv packet |
| otEXPECT(length >= IEEE802154_MIN_LENGTH && length <= IEEE802154_MAX_LENGTH); |
| |
| otLogInfoPlat("Received data:%d", length); |
| |
| // skip length byte |
| assert(packetInfo.firstPortionBytes > 0); |
| packetInfo.firstPortionData++; |
| packetInfo.firstPortionBytes--; |
| packetInfo.packetBytes--; |
| |
| // read packet |
| memcpy(sReceiveFrame.mPsdu, packetInfo.firstPortionData, packetInfo.firstPortionBytes); |
| memcpy(sReceiveFrame.mPsdu + packetInfo.firstPortionBytes, packetInfo.lastPortionData, |
| packetInfo.packetBytes - packetInfo.firstPortionBytes); |
| |
| sReceiveFrame.mLength = length; |
| sReceiveFrame.mInfo.mRxInfo.mRssi = packetDetails.rssi; |
| sReceiveFrame.mInfo.mRxInfo.mLqi = packetDetails.lqi; |
| |
| // TODO: grab timestamp and handle conversion to msec/usec |
| // sReceiveFrame.mInfo.mRxInfo.mMsec = packetDetails.packetTime; |
| // sReceiveFrame.mInfo.mRxInfo.mUsec = packetDetails.packetTime; |
| |
| if (packetDetails.isAck) |
| { |
| assert((length == IEEE802154_ACK_LENGTH) && |
| (sReceiveFrame.mPsdu[0] & IEEE802154_FRAME_TYPE_MASK) == IEEE802154_FRAME_TYPE_ACK); |
| |
| sTransmitBusy = false; |
| |
| if (sReceiveFrame.mPsdu[IEEE802154_DSN_OFFSET] == sTransmitFrame.mPsdu[IEEE802154_DSN_OFFSET]) |
| { |
| sTransmitError = OT_ERROR_NONE; |
| } |
| else |
| { |
| sTransmitError = OT_ERROR_NO_ACK; |
| } |
| } |
| else |
| { |
| otEXPECT(length != IEEE802154_ACK_LENGTH); |
| |
| sReceiveError = OT_ERROR_NONE; |
| |
| #if OPENTHREAD_CONFIG_DIAG_ENABLE |
| |
| if (otPlatDiagModeGet()) |
| { |
| otPlatDiagRadioReceiveDone(aInstance, &sReceiveFrame, sReceiveError); |
| } |
| else |
| #endif |
| { |
| // signal MAC layer for each received frame if promiscous is enabled |
| // otherwise only signal MAC layer for non-ACK frame |
| if (sPromiscuous || sReceiveFrame.mLength > IEEE802154_ACK_LENGTH) |
| { |
| otLogInfoPlat("Received %d bytes", sReceiveFrame.mLength); |
| otPlatRadioReceiveDone(aInstance, &sReceiveFrame, sReceiveError); |
| } |
| } |
| } |
| |
| exit: |
| |
| if (packetHandle != RAIL_RX_PACKET_HANDLE_INVALID) |
| { |
| RAIL_ReleaseRxPacket(aRailHandle, packetHandle); |
| } |
| } |
| |
| static void ieee802154DataRequestCommand(RAIL_Handle_t aRailHandle) |
| { |
| RAIL_Status_t status; |
| |
| if (sIsSrcMatchEnabled) |
| { |
| RAIL_IEEE802154_Address_t sourceAddress; |
| |
| status = RAIL_IEEE802154_GetAddress(aRailHandle, &sourceAddress); |
| assert(status == RAIL_STATUS_NO_ERROR); |
| |
| if ((sourceAddress.length == RAIL_IEEE802154_LongAddress && |
| utilsSoftSrcMatchExtFindEntry((otExtAddress *)sourceAddress.longAddress) >= 0) || |
| (sourceAddress.length == RAIL_IEEE802154_ShortAddress && |
| utilsSoftSrcMatchShortFindEntry(sourceAddress.shortAddress) >= 0)) |
| { |
| status = RAIL_IEEE802154_SetFramePending(aRailHandle); |
| assert(status == RAIL_STATUS_NO_ERROR); |
| } |
| } |
| else |
| { |
| status = RAIL_IEEE802154_SetFramePending(aRailHandle); |
| assert(status == RAIL_STATUS_NO_ERROR); |
| } |
| } |
| |
| static void RAILCb_Generic(RAIL_Handle_t aRailHandle, RAIL_Events_t aEvents) |
| { |
| if (aEvents & |
| (RAIL_EVENT_TX_ABORTED | RAIL_EVENT_TX_BLOCKED | RAIL_EVENT_TX_UNDERFLOW | RAIL_EVENT_SCHEDULER_STATUS)) |
| { |
| sTransmitError = OT_ERROR_ABORT; |
| sTransmitBusy = false; |
| |
| RAIL_YieldRadio(aRailHandle); |
| } |
| |
| if (aEvents & RAIL_EVENT_RX_ACK_TIMEOUT) |
| { |
| sTransmitError = OT_ERROR_NO_ACK; |
| sTransmitBusy = false; |
| |
| RAIL_YieldRadio(aRailHandle); |
| } |
| |
| if (aEvents & RAIL_EVENT_RX_PACKET_RECEIVED) |
| { |
| RAIL_HoldRxPacket(aRailHandle); |
| } |
| |
| if (aEvents & RAIL_EVENT_IEEE802154_DATA_REQUEST_COMMAND) |
| { |
| ieee802154DataRequestCommand(aRailHandle); |
| } |
| |
| if (aEvents & RAIL_EVENT_TX_PACKET_SENT) |
| { |
| if ((sTransmitFrame.mPsdu[0] & IEEE802154_ACK_REQUEST) == 0) |
| { |
| sTransmitError = OT_ERROR_NONE; |
| sTransmitBusy = false; |
| |
| RAIL_YieldRadio(aRailHandle); |
| } |
| } |
| |
| if (aEvents & RAIL_EVENT_TX_CHANNEL_BUSY) |
| { |
| sTransmitError = OT_ERROR_CHANNEL_ACCESS_FAILURE; |
| sTransmitBusy = false; |
| |
| RAIL_YieldRadio(aRailHandle); |
| } |
| |
| if (aEvents & RAIL_EVENT_CAL_NEEDED) |
| { |
| RAIL_Status_t status; |
| |
| status = RAIL_Calibrate(aRailHandle, NULL, RAIL_CAL_ALL_PENDING); |
| assert(status == RAIL_STATUS_NO_ERROR); |
| } |
| |
| if (aEvents & RAIL_EVENT_RSSI_AVERAGE_DONE) |
| { |
| const int16_t energyScanResultQuarterDbm = RAIL_GetAverageRssi(aRailHandle); |
| |
| sEnergyScanStatus = ENERGY_SCAN_STATUS_COMPLETED; |
| |
| if (energyScanResultQuarterDbm == RAIL_RSSI_INVALID) |
| { |
| sEnergyScanResultDbm = OT_RADIO_RSSI_INVALID; |
| } |
| else |
| { |
| sEnergyScanResultDbm = energyScanResultQuarterDbm / QUARTER_DBM_IN_DBM; |
| } |
| |
| RAIL_YieldRadio(aRailHandle); |
| } |
| } |
| |
| otError otPlatRadioEnergyScan(otInstance *aInstance, uint8_t aScanChannel, uint16_t aScanDuration) |
| { |
| OT_UNUSED_VARIABLE(aInstance); |
| |
| return efr32StartEnergyScan(ENERGY_SCAN_MODE_ASYNC, aScanChannel, (RAIL_Time_t)aScanDuration * US_IN_MS); |
| } |
| |
| void efr32RadioProcess(otInstance *aInstance) |
| { |
| if (sState == OT_RADIO_STATE_TRANSMIT && sTransmitBusy == false) |
| { |
| if (sTransmitError != OT_ERROR_NONE) |
| { |
| otLogDebgPlat("Transmit failed ErrorCode=%d", sTransmitError); |
| } |
| |
| sState = OT_RADIO_STATE_RECEIVE; |
| |
| #if OPENTHREAD_CONFIG_DIAG_ENABLE |
| if (otPlatDiagModeGet()) |
| { |
| otPlatDiagRadioTransmitDone(aInstance, &sTransmitFrame, sTransmitError); |
| } |
| else |
| #endif |
| if (((sTransmitFrame.mPsdu[0] & IEEE802154_ACK_REQUEST) == 0) || (sTransmitError != OT_ERROR_NONE)) |
| { |
| otPlatRadioTxDone(aInstance, &sTransmitFrame, NULL, sTransmitError); |
| } |
| else |
| { |
| otPlatRadioTxDone(aInstance, &sTransmitFrame, &sReceiveFrame, sTransmitError); |
| } |
| } |
| else if (sEnergyScanMode == ENERGY_SCAN_MODE_ASYNC && sEnergyScanStatus == ENERGY_SCAN_STATUS_COMPLETED) |
| { |
| sEnergyScanStatus = ENERGY_SCAN_STATUS_IDLE; |
| otPlatRadioEnergyScanDone(aInstance, sEnergyScanResultDbm); |
| } |
| |
| processNextRxPacket(aInstance, sRxBandConfig->mRailHandle); |
| } |
| |
| otError otPlatRadioGetTransmitPower(otInstance *aInstance, int8_t *aPower) |
| { |
| OT_UNUSED_VARIABLE(aInstance); |
| |
| otError error = OT_ERROR_NONE; |
| |
| otEXPECT_ACTION(aPower != NULL, error = OT_ERROR_INVALID_ARGS); |
| *aPower = sTxPowerDbm; |
| |
| exit: |
| return error; |
| } |
| |
| otError otPlatRadioSetTransmitPower(otInstance *aInstance, int8_t aPower) |
| { |
| OT_UNUSED_VARIABLE(aInstance); |
| |
| RAIL_Status_t status; |
| |
| for (uint8_t i = 0; i < EFR32_NUM_BAND_CONFIGS; i++) |
| { |
| status = RAIL_SetTxPowerDbm(sBandConfigs[i].mRailHandle, ((RAIL_TxPower_t)aPower) * 10); |
| assert(status == RAIL_STATUS_NO_ERROR); |
| } |
| |
| sTxPowerDbm = aPower; |
| |
| return OT_ERROR_NONE; |
| } |
| |
| int8_t otPlatRadioGetReceiveSensitivity(otInstance *aInstance) |
| { |
| OT_UNUSED_VARIABLE(aInstance); |
| |
| return EFR32_RECEIVE_SENSITIVITY; |
| } |
