xushaoxiang
136 lines
4.2 KiB
C
136 lines
4.2 KiB
C
/*
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* @Descripttion:
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* @version:
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* @Author: sueRimn
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* @Date: 2023-12-12 14:24:01
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* @LastEditors: sueRimn
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* @LastEditTime: 2023-12-13 10:32:28
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*/
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/*!
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* \file rf_2_4g.c
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*
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* \brief Target RF 2.4g implementation
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*
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* \copyright Revised BSD License, see section \ref LICENSE.
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*
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* \code
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*
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* _ __ _ ________ _
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* | |/ /(_)___ / ____/ /_ (_)___
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* | // / __ \/ / / __ \/ / __ \
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* / |/ / / / / /___/ / / / / /_/ /
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* /_/|_/_/_/ /_/\____/_/ /_/_/ .___/
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* /_/
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* (C) 2022-2025 XinChip
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*
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* \endcode
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*
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* \author ( XinChip ) Alex-J
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*
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* \author ( XinChip )
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*/
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/*-----------------------------------------------------------------------------------
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INCLUDE HEADE FILES
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------------------------------------------------------------------------------------*/
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#include "xc6xxx_rf_ADV.h"
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#include "xc6xxx_rf_2_4g.h"
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/*------------------------------------------------------------------------------------
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Macros
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-------------------------------------------------------------------------------------*/
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/*------------------------------------------------------------------------------------
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Macros
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-------------------------------------------------------------------------------------*/
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extern int sendchar(int c);
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extern uint8_t recv_len ;
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extern uint8_t recv_buf[BUFF_LEN];
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extern uint8_t recv_adv_buf[ADV_LENGTH];
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/*------------------------------------------------------------------------------------
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Functions
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-------------------------------------------------------------------------------------*/
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/**
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* @brief RF ADV Initialization
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* @param void
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*
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* @retval void
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*/
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void rf24g_adv_init(void)
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{
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/* Rf modem init*/
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rf24g_modem_init();
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/* Set up 2.4G RF modem*/
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rf24g_config();
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set_rf_dynpd(XINCX_2_4G_DYNPD);
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/* Set PTX address */
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set_rf_txaddr(TX_ADDR_L_VAL, TX_ADDR_H_VAL);
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/* Set PRX address */
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set_rf_pipe0_rxaddr(RX_ADDR_L_VAL, RX_ADDR_H_VAL);
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/* Set address width */
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set_rf_tx_addr_width(XINCX_RF_TX_ADDR_WIDTH);
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/* Set transfer rate */
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set_rf_DR(XINCX_RF_TRANS_RATE);
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/* Set CRC */
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set_rf_crc(XINCX_RF_CRC_ENABLE, XINCX_2_4G_CRC_BYTE);
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/* Set data frame format */
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set_rf_feature(XINCX_ADV_LONG_PLD, XINCX_ADV_FEC, XINCX_ADV_WHITEN,
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XINCX_ADV_DPL, XINCX_ADV_ACK_PAY, XINCX_ADV_DYN_ACK);
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/* Set Payload */
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set_rf_pipe_rx_payLen(PIPE0_LEN, PIPE1_LEN, PIPE2_LEN, PIPE3_LEN, PIPE4_LEN,
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PIPE5_LEN);
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/* Set mode */
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set_rf_mode(XINCX_ADV_MODE);
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/* Set transmission power */
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set_rf_power(XINCX_POWER);
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/* RC filtering calibration */
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rf_rc_calib();
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}
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/**
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* @brief RF ADV packet whiten
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* @param uint8_t * - len
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* @return uint32_t - blecrc
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*/
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uint32_t rf_adv_packet_whiten(uint8_t *len)
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{
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for (int i = 0; i < recv_len; i++)
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recv_adv_buf[i] = reverseBits(recv_adv_buf[i]);
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ble_whiten(recv_adv_buf, recv_len, bleWhitenStart(XINCX_ADV_CHANNEL));
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for (int i = 0; i < recv_len; i++)
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recv_adv_buf[i] = reverseBits(recv_adv_buf[i]);
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*len = (recv_adv_buf[1] > (ADV_LENGTH - 5)) ? (ADV_LENGTH - 5)
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: recv_adv_buf[1];
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uint32_t blecrc = (recv_adv_buf[*len + 5 - 1] << 16) +
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(recv_adv_buf[*len + 5 - 2] << 8) +
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recv_adv_buf[*len + 5 - 3];
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recv_adv_buf[*len + 5 - 1] = recv_adv_buf[*len + 5 - 2] =
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recv_adv_buf[*len + 5 - 3] = 0x55;
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ble_crc(recv_adv_buf, *len + 5 - 3, recv_adv_buf + *len + 5 - 3);
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return blecrc;
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}
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/**
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* @brief RF ADV software CRC determination
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* @param uint8_t * - adv_buff
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* @param uint8_t * - len
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* @param uint32_t - blecrc
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* @return uint8_t - 0
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*/
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uint8_t rf_adv_crc(uint8_t *adv_buff, uint8_t *len, uint32_t blecrc)
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{
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if (blecrc == ((adv_buff[*len + 5 - 1] << 16) +
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(adv_buff[*len + 5 - 2] << 8) + adv_buff[*len + 5 - 3]))
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return 1;
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else
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return 0;
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}
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