初步可以稳定测距，基站那边还需减少接收时间精调

chen

2025-03-14 2043cda8d7d195b06378e3de781078525eb4d3c5

 keil/uwb_app.c

@@ -78,7 +78,7 @@
#define RANGING_PERIOD_MS (1000)

/* This is the delay from Frame RX POLL frame to send RESP Frame */
#define POLL_RX_TO_RESP_TX_DLY_US 550U //yuan550极限
#define POLL_RX_TO_RESP_TX_DLY_US 3500U //yuan550极限

#define RESP_TX_TO_FINAL_RX_DLY_US 500U

@@ -191,6 +191,22 @@
    .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                       */
};
#elif defined BIT_110K_MODE
static struct mk_uwb_configure config = {
    .phy_work_mode = (uint8_t)(PHY_TX | PHY_RX),
    .phy_cfg.ch_num = 5,                      /* Channel number.                           */
    .phy_cfg.code_index = 3,                  /* TRX preamble code                         */
    .phy_cfg.mean_prf = MEAN_PRF_16M,         /* Mean prf 64/128/256M                      */
    .phy_cfg.data_bit_rate = DATA_BR_110K,     /* Data rate 6.8M                            */
    .phy_cfg.sync_sym = PREAM_LEN_1024,        /* Preamble duration, length of preamble 128 */
    .phy_cfg.sfd_sym = NSFD_64,          /* Identifier for SFD sequence               */
    .phy_cfg.ranging_bit = 1,                 /* ranging bit set 1                         */
    .phy_cfg.trx_mode = TRX_MODE_15_4A,  /* 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                       */
};
#endif

@@ -469,6 +485,7 @@
        {
            tagid_list[j]=tagid_list[i];
            tagdist_list[j] = tagdist_list[i];
                  anchordata_bat[j]=anchordata_bat[i];//电量随之更新
            tagofflinetime[j++]=tagofflinetime[i];
        }
      }
@@ -547,7 +564,7 @@
      &&!((end_receive_count-current_count_calibration<=MS_TO_PHY_TIMER_COUNT(200))||(end_receive_count+(UINT32_MAX-current_count_calibration)<=MS_TO_PHY_TIMER_COUNT(200))))
   {
      start_receive_count_calibration=current_count_calibration;//更新开始时间
//      MotorPoll();

      
      if(secondtask_search_count++%2==0)
    {
@@ -574,13 +591,13 @@
{
      uwb_rx_force_off(1);
      uwb_rx_flag=0;
   LOG_INFO(TRACE_MODULE_APP,"关闭uwb_rx\r\n");
   //LOG_INFO(TRACE_MODULE_APP,"关闭uwb_rx\r\n");
}
void OpenUWB(void)
{
      flag_temp1=uwb_rx(0, 0,range_timeout_us);//提交接收请求
      uwb_rx_flag=1;
      LOG_INFO(TRACE_MODULE_APP,"打开uwb_rx\r\n");
      //LOG_INFO(TRACE_MODULE_APP,"打开uwb_rx\r\n");
}   
void UWBOneSecondTask(void)
{
@@ -603,12 +620,12 @@
//   switch(wltag_state)
//   {
//   case RANGE:
//   if(HIDO_TimerGetTick()-wltag_uwbtimer>0&&uwb_rx_flag==0)
//   if(HIDO_TimerGetTick()-wltag_uwbtimer>2&&uwb_rx_flag==0)
//      {
//            wltag_uwbtimer = HIDO_TimerGetTick();
//            OpenUWB();
//      }
//   else if(HIDO_TimerGetTick()-wltag_uwbtimer>2&&uwb_rx_flag==1)
//   else if(HIDO_TimerGetTick()-wltag_uwbtimer>1&&uwb_rx_flag==1)
//      {
//            wltag_uwbtimer = HIDO_TimerGetTick();
//            CloseUWB();
@@ -693,10 +710,12 @@
                              {
                                    Anchor_RecNearPoll(i);
                                    tagdist_list[taglist_pos]=rec_ancdistlist[i];
                                    anchordata_bat[taglist_pos] = battary;//保存该基站电量
                                    if(taglist_pos==taglist_num)// taglist_pos==taglist_num 说明这个基站不在当前列表中
                                    {   //tempid==dev_id 说明基站下发测距报文有这个标签的信息
                                          taglist_num++;          //满足上述两种情况才会添加基站ID进入列表中，否则会出现标签不在基站列表中，标签也不响应的情况
                                          tagid_list[taglist_pos] = tag_id_recv;
														
                                    }
                                    break;
                              }