/* * Copyright (c) 2017, Graz University of Technology * 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 * BLE commands for the TI CC26xx BLE radio * * \author * Michael Spoerk */ /*---------------------------------------------------------------------------*/ #include "contiki.h" #include "rf_ble_cmd.h" #include "rf-core/rf-core.h" #include "rf-core/ble-hal/rf-ble-cmd.h" /*---------------------------------------------------------------------------*/ #include "sys/log.h" #define LOG_MODULE "BLE-RADIO" #define LOG_LEVEL LOG_LEVEL_MAIN /*---------------------------------------------------------------------------*/ #define CMD_GET_STATUS(X) (((rfc_radioOp_t *)X)->status) /*---------------------------------------------------------------------------*/ /* values for a selection of available TX powers (values from SmartRF Studio) */ /*static uint16_t tx_power = 0x9330; / * +5 dBm * / */ static uint16_t tx_power = 0x3161; /* 0 dBm */ /*static uint16_t tx_power = 0x0CCB; / * -15 dBm * / */ /*---------------------------------------------------------------------------*/ /* BLE overrides */ static uint32_t ble_overrides[] = { 0x00364038, /* Synth: Set RTRIM (POTAILRESTRIM) to 6 */ 0x000784A3, /* Synth: Set FREF = 3.43 MHz (24 MHz / 7) */ 0xA47E0583, /* Synth: Set loop bandwidth after lock to 80 kHz (K2) */ 0xEAE00603, /* Synth: Set loop bandwidth after lock to 80 kHz (K3, LSB) */ 0x00010623, /* Synth: Set loop bandwidth after lock to 80 kHz (K3, MSB) */ 0x00456088, /* Adjust AGC reference level */ 0x008F88B3, /* GPIO mode: https://e2e.ti.com/support/wireless_connectivity/proprietary_sub_1_ghz_simpliciti/f/156/t/488244?*/ 0xFFFFFFFF, /* End of override list */ }; /*---------------------------------------------------------------------------*/ unsigned short rf_ble_cmd_send(uint8_t *command) { uint32_t cmdsta; rfc_radioOp_t *cmd = (rfc_radioOp_t *)command; if(rf_core_send_cmd((uint32_t)cmd, &cmdsta) != RF_CORE_CMD_OK) { LOG_ERR("rf_ble_cmd_send() could not send cmd. status: 0x%04X\n", CMD_GET_STATUS(cmd)); return RF_BLE_CMD_ERROR; } return RF_BLE_CMD_OK; } /*---------------------------------------------------------------------------*/ unsigned short rf_ble_cmd_wait(uint8_t *command) { rfc_radioOp_t *cmd = (rfc_radioOp_t *)command; if(rf_core_wait_cmd_done((void *)cmd) != RF_CORE_CMD_OK) { LOG_ERR("rf_ble_cmd_wait() could not wait. status: 0x%04X\n", CMD_GET_STATUS(cmd)); return RF_BLE_CMD_ERROR; } return RF_BLE_CMD_OK; } /*---------------------------------------------------------------------------*/ unsigned short rf_ble_cmd_setup_ble_mode(void) { rfc_CMD_RADIO_SETUP_t cmd; /* Create radio setup command */ rf_core_init_radio_op((rfc_radioOp_t *)&cmd, sizeof(cmd), CMD_RADIO_SETUP); cmd.txPower = tx_power; cmd.pRegOverride = ble_overrides; cmd.mode = 0; /* Send Radio setup to RF Core */ if(rf_ble_cmd_send((uint8_t *)&cmd) != RF_BLE_CMD_OK) { return RF_BLE_CMD_ERROR; } /* Wait until radio setup is done */ return rf_ble_cmd_wait((uint8_t *)&cmd); } /*---------------------------------------------------------------------------*/ /* ADVERTISING functions */ void rf_ble_cmd_create_adv_cmd(uint8_t *command, uint8_t channel, uint8_t *param, uint8_t *output) { rfc_CMD_BLE_ADV_t *c = (rfc_CMD_BLE_ADV_t *)command; memset(c, 0x00, sizeof(rfc_CMD_BLE_ADV_t)); c->commandNo = CMD_BLE_ADV; c->condition.rule = COND_NEVER; c->whitening.bOverride = 0; c->channel = channel; c->pParams = (rfc_bleAdvPar_t *)param; c->startTrigger.triggerType = TRIG_NOW; c->pOutput = (rfc_bleAdvOutput_t *)output; } /*---------------------------------------------------------------------------*/ void rf_ble_cmd_create_adv_params(uint8_t *param, dataQueue_t *rx_queue, uint8_t adv_data_len, uint8_t *adv_data, uint8_t scan_resp_data_len, uint8_t *scan_resp_data, ble_addr_type_t own_addr_type, uint8_t *own_addr) { rfc_bleAdvPar_t *p = (rfc_bleAdvPar_t *)param; memset(p, 0x00, sizeof(rfc_bleAdvPar_t)); p->pRxQ = rx_queue; p->rxConfig.bAutoFlushIgnored = 1; p->rxConfig.bAutoFlushCrcErr = 0; p->rxConfig.bAutoFlushEmpty = 1; p->rxConfig.bIncludeLenByte = 1; p->rxConfig.bIncludeCrc = 0; p->rxConfig.bAppendRssi = 1; p->rxConfig.bAppendStatus = 1; p->rxConfig.bAppendTimestamp = 1; p->advConfig.advFilterPolicy = 0; p->advConfig.bStrictLenFilter = 0; p->advConfig.deviceAddrType = own_addr_type; p->pDeviceAddress = (uint16_t *)own_addr; p->advLen = adv_data_len; p->scanRspLen = scan_resp_data_len; p->pAdvData = adv_data; p->pScanRspData = scan_resp_data; p->endTrigger.triggerType = TRIG_NEVER; } /*---------------------------------------------------------------------------*/ /* CONNECTION slave functions */ /*---------------------------------------------------------------------------*/ void rf_ble_cmd_create_slave_cmd(uint8_t *cmd, uint8_t channel, uint8_t *params, uint8_t *output, uint32_t start_time) { rfc_CMD_BLE_SLAVE_t *c = (rfc_CMD_BLE_SLAVE_t *)cmd; memset(c, 0x00, sizeof(rfc_CMD_BLE_SLAVE_t)); c->commandNo = CMD_BLE_SLAVE; c->condition.rule = COND_NEVER; c->whitening.bOverride = 0; c->channel = channel; c->pParams = (rfc_bleSlavePar_t *)params; c->startTrigger.triggerType = TRIG_ABSTIME; c->startTrigger.pastTrig = 0; c->startTime = start_time; c->pOutput = (rfc_bleMasterSlaveOutput_t *)output; } /*---------------------------------------------------------------------------*/ void rf_ble_cmd_create_slave_params(uint8_t *params, dataQueue_t *rx_queue, dataQueue_t *tx_queue, uint32_t access_address, uint8_t crc_init_0, uint8_t crc_init_1, uint8_t crc_init_2, uint32_t win_size, uint32_t window_widening, uint8_t first_packet) { rfc_bleSlavePar_t *p = (rfc_bleSlavePar_t *)params; p->pRxQ = rx_queue; p->pTxQ = tx_queue; p->rxConfig.bAutoFlushIgnored = 1; p->rxConfig.bAutoFlushCrcErr = 1; p->rxConfig.bAutoFlushEmpty = 1; p->rxConfig.bIncludeLenByte = 1; p->rxConfig.bIncludeCrc = 0; p->rxConfig.bAppendRssi = 1; p->rxConfig.bAppendStatus = 1; p->rxConfig.bAppendTimestamp = 1; if(first_packet) { /* set parameters for first packet according to TI Technical Reference Manual */ p->seqStat.lastRxSn = 1; p->seqStat.lastTxSn = 1; p->seqStat.nextTxSn = 0; p->seqStat.bFirstPkt = 1; p->seqStat.bAutoEmpty = 0; p->seqStat.bLlCtrlTx = 0; p->seqStat.bLlCtrlAckRx = 0; p->seqStat.bLlCtrlAckPending = 0; } p->maxNack = 0; p->maxPkt = 0; p->accessAddress = access_address; p->crcInit0 = crc_init_0; p->crcInit1 = crc_init_1; p->crcInit2 = crc_init_2; p->timeoutTrigger.triggerType = TRIG_REL_START; if(first_packet) { p->timeoutTime = (uint32_t)(10 * win_size); } else { p->timeoutTime = (uint32_t)(win_size + 2 * window_widening); } p->endTrigger.triggerType = TRIG_NEVER; } /*---------------------------------------------------------------------------*/ /* DATA queue functions */ /*---------------------------------------------------------------------------*/ unsigned short rf_ble_cmd_add_data_queue_entry(dataQueue_t *q, uint8_t *e) { uint32_t cmdsta; rfc_CMD_ADD_DATA_ENTRY_t cmd; cmd.commandNo = CMD_ADD_DATA_ENTRY; cmd.pQueue = q; cmd.pEntry = e; if(rf_core_send_cmd((uint32_t)&cmd, &cmdsta) != RF_CORE_CMD_OK) { LOG_ERR("could not add entry to data queue. status: 0x%04X\n", CMD_GET_STATUS(&cmd)); return RF_BLE_CMD_ERROR; } return RF_BLE_CMD_OK; }