/* * Copyright (c) 2019-2023 Beijing Hanwei Innovation Technology Ltd. Co. and * its subsidiaries and affiliates (collectly called MKSEMI). * * 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, except as embedded into an MKSEMI * integrated circuit in a product or a software update for such product, * 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 MKSEMI nor the names of its contributors may be used * to endorse or promote products derived from this software without * specific prior written permission. * * 4. This software, with or without modification, must only be used with a * MKSEMI integrated circuit. * * 5. Any software provided in binary form under this license must not be * reverse engineered, decompiled, modified and/or disassembled. * * THIS SOFTWARE IS PROVIDED BY MKSEMI "AS IS" AND ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL MKSEMI 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. */ #include "mk_trace.h" #include "mk_uwb.h" #include "mk_misc.h" #include "mk_power.h" #include "board.h" #if defined(MK_SIMPLE_RX) extern int simple_main(void); struct mk_uwb_configure { uint8_t phy_work_mode; /* PHY_TX / PHY_RX / PHT_TX|PHY_RX */ struct UWB_CONFIG_T phy_cfg; }; /* Default communication configuration. */ static struct mk_uwb_configure config = { .phy_work_mode = (uint8_t)(PHY_RX), .phy_cfg.ch_num = 5, /* Channel number. */ .phy_cfg.code_index = 9, /* TRX preamble code */ .phy_cfg.mean_prf = MEAN_PRF_64M, /* Mean prf 64/128/256M */ .phy_cfg.data_bit_rate = DATA_BR_6M8, /* Data rate 6.8M */ .phy_cfg.sync_sym = PREAM_LEN_128, /* Preamble duration, length of preamble 128 */ .phy_cfg.sfd_sym = BPRF_NSFD_8, /* Identifier for SFD sequence */ .phy_cfg.ranging_bit = 0, /* ranging bit set 0 */ .phy_cfg.trx_mode = TRX_MODE_15_4Z_BPRF, /* IEEE802.15.4z - BPRF mode */ .phy_cfg.sts_pkt_cfg = STS_PKT_CFG_0, /* SP0 Frame */ .phy_cfg.sts_segnum = STS_SEGNUM_BPRF_1, /* Number of STS segments in the frame */ .phy_cfg.sts_seglen = STS_SEGLEN_BPRF_64, /* Number of symbols in an STS segment */ .phy_cfg.rx_ant_id = UWB_RX_ANT_3, /* UWB RX antenna port */ }; /* Buffer to store received frame. */ static uint8_t rx_buf[128]; /* The receive timeout is 50000us. */ #define RX_US_TIMEOUT 50000U static volatile uint16_t rx_state; static volatile uint16_t rx_length; /* RX done process handler. */ static void rx_int_callback(struct MAC_HW_REPORT_T *rx_report) { // Power off radio power_off_radio(); rx_state = rx_report->err_code; /** UWB RX success */ if (rx_state == UWB_RX_OK) { /* Received data does not contain FCS */ rx_length = rx_report->pkt_len; memcpy(rx_buf, rx_report->pkt_data, rx_length); } else { /* UWB_PLD_ERR payload error */ /* UWB_PHR_ERR PHR error */ /* UWB_SFD_ERR Sfd error */ /* UWB_BD_ERR Preamble detection error */ /* UWB_STS_ERR STS error */ /* Receive timeout, nothing to do */ } } int simple_main(void) { // The following peripherals will be initialized in the uwb_open function // phy/mac/aes/lsp/phy timers initialized uwb_open(); // Set calibration parameters uwb_calibration_params_set(config.phy_cfg.ch_num); // uwb configure uwb_configure(config.phy_work_mode, board_param.tx_power_fcc[CALIB_CH(config.phy_cfg.ch_num)], &config.phy_cfg); // Register rx interrupt callback function mac_register_process_handler(NULL, rx_int_callback); while (1) { // Target time equals 0 means recv immediately // Program the MAC to receive UWB packet uwb_rx(0, 0, RX_US_TIMEOUT); // Check the MAC busy state while (mac_is_busy()) { } if (rx_state == UWB_RX_OK) { LOG_INFO(TRACE_MODULE_APP, "Frame Recvived: "); for (int i = 0; i < rx_length; i++) { LOG_INFO(TRACE_NO_OPTION | TRACE_MODULE_UWB, " %02x", rx_buf[i]); } LOG_INFO(TRACE_NO_OPTION | TRACE_MODULE_UWB, "\r\n"); } } } #endif