ChinaUWBProject.git

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			/*
			* 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