keil/dw_tag.c
@@ -9,6 +9,7 @@
static float clockOffsetRatio;
static double rtd_init, rtd_resp;
double tof,distance_tag;
#define SPEED_OF_LIGHT 299702547
#define DWT_TIME_UNITS          (1.0/499.2e6/128.0) //!< = 15.65e-12 s
static uint32_t anc_pollrx[MAX_NEARBASE_NUM],anc_resptx[MAX_NEARBASE_NUM],tag_resprx[MAX_NEARBASE_NUM],tag_polltx[MAX_NEARBASE_NUM];
@@ -28,6 +29,12 @@
int32_t tof_i;
uint32_t tof_i_ui;
double tof_f;
struct mk_uwb_configure
{
    uint8_t phy_work_mode; /* PHY_TX / PHY_RX / PHT_TX|PHY_RX */
    struct UWB_CONFIG_T phy_cfg;
};
extern struct mk_uwb_configure config;
extern int32_t freq_offset,freq_offset_filter; 
void SetANCTimestap(uint8_t i,uint8_t* pollrx,uint8_t* resptx,uint32_t resprx,uint8_t* distoffset,int32_t anc_clockoffset_from_MK,uint32_t polltx)  //写入时间戳信息
{
@@ -65,7 +72,7 @@
//    }
//}
// ts_a - ts_b
int64_t ranging_timestamp_diff(int64_t ts_a, int64_t ts_b)
int64_t ranging_timestamp_diff1(int64_t ts_a, int64_t ts_b)
{
    if (ts_a < ts_b)
    {
@@ -78,16 +85,15 @@
}
void CalculateDists(int64_t poll_tx_ts)
{
   for(int i=0;i<MAX_NEARBASE_NUM;i++)
   for(int i=0;i<MAX_NEARBASE_NUM+10;i++)
    {
      if(exsistbase_list[i]==KEEP_TIMES)
      if(taglist_keeptime[i+taglist_current_index]==KEEP_TIMES)
      {
         //temp_freq_offset=freq_offset_filter;//测试
         memcpy(&resp_tx_timestamp,&anc_resptx[i],4);
         memcpy(&poll_rx_timestamp,&anc_pollrx[i],4);
         treply = ranging_timestamp_diff(resp_tx_timestamp, poll_rx_timestamp);
         treply = ranging_timestamp_diff1(resp_tx_timestamp, poll_rx_timestamp);
         //基站
//    // correct antenna delay
//    treply += ranging_ant_delays_get((uint8_t)(RX_MAIN_ANT_PORT));
@@ -100,14 +106,14 @@
         memcpy(&poll_tx_timestamp,&tag_polltx[i],4);
         memcpy(&resp_rx_timestamp,&tag_resprx[i],4);
         
         tround=ranging_timestamp_diff(resp_rx_timestamp, poll_tx_timestamp);
         tround=ranging_timestamp_diff1(resp_rx_timestamp, poll_tx_timestamp);
            tround_temp=tround;
            treply_temp=treply;
            //标签
         // correct antenna delay
//    tround -= ranging_ant_delays_get(uwb_app_config.ppdu_params.rx_ant_id);
         // corrected by frequency offset
         tround = (int64_t)((double)tround * (1 - (double)freq_offset_filter / ch_center_freq_map[UWB_CH_NUM]));
         tround = (int64_t)((double)tround * (1 - (double)anc_clockoffset[i] /  uwb_ch_freq_table[config.phy_cfg.ch_num]));//此处有修改
         tround_temp=tround;
         treply_temp=treply;
         tof_i = (int32_t)(tround - treply) / 2;
@@ -127,10 +133,12 @@
         
          if(distance_tag>-1000&&distance_tag<100000)
          {
            nearbase_distlist[i]  = distance_tag+(int16_t)g_com_map[OFFSET_AS_TAG];//offset加入上位机校准
          }
            taglist_dist[i+taglist_current_index]  = distance_tag+(int16_t)g_com_map[DIST_OFFSET];//offset未加
          }else{
                  taglist_dist[i] = 0x2ffff;
               }
      }else{
          nearbase_distlist[i] = 0x1ffff;
          //nearbase_distlist[i] = 0x7fff;
      }
         }