1.50 SFD模式修改

zhyinch

2021-06-21 1f9d76141788c51f8fb893c9fbf8f63a21ca30ed

 Ô´Âë/ºËÐÄ°å/Src/application/dw_app.c

@@ -1,11 +1,12 @@
#include "dw_app.h"
#include "ADC.h"
//#define TDFILTER
enum enumtagstate
{
   DISCPOLL,
   GETNEARMSG,
   NEARPOLL,
}tag_state=GETNEARMSG;
}tag_state=NEARPOLL;
static dwt_config_t config = {
   2,               /* Channel number. */
   DWT_PRF_64M,     /* Pulse repetition frequency. */
@@ -13,7 +14,7 @@
   DWT_PAC8,        /* Preamble acquisition chunk size. Used in RX only. */
   9,               /* TX preamble code. Used in TX only. */
   9,               /* RX preamble code. Used in RX only. */
   0,               /* Use non-standard SFD (Boolean) */
   1,               /* Use non-standard SFD (Boolean) */
   DWT_BR_6M8,      /* Data rate. */
   DWT_PHRMODE_STD, /* PHY header mode. */
   (129 + 8 - 8)    /* SFD timeout (preamble length + 1 + SFD length - PAC size). Used in RX only. */
@@ -114,6 +115,14 @@
      }
   }
}
void SetNLOSNTMSettings(void)
{
    uint8_t temp;
    temp = 7;
    dwt_writetodevice(LDE_IF_ID,LDE_CFG1_OFFSET,1,&temp);
    dwt_write16bitoffsetreg(LDE_IF_ID,LDE_CFG2_OFFSET,3);
    // NTM = dwt_read32bitoffsetreg(LDE_IF_ID,LDE_CFG1_OFFSET) & LDE_CFG1_NSTDEV_MASK;
}
void Dw1000_Init(void)
{
   /* Reset and initialise DW1000.
@@ -126,7 +135,7 @@
    /* Configure DW1000. See NOTE 6 below. */
    dwt_configure(&config);//配置DW1000
   

  //  SetNLOSNTMSettings();
   
    /* Apply default antenna delay value. See NOTE 1 below. */
    dwt_setrxantennadelay(RX_ANT_DLY);      //设置接收天线延迟
@@ -448,6 +457,7 @@
                           memcpy(&rec_tagpos_binary,&rx_buffer[NEARMSG_EMPTYSLOTPOS_INDEX],4);
                        if(temp_dist!=0x1ffff)
                           {
                              g_Resttimer=0;
                              #ifndef USART_INTEGRATE_OUTPUT
                              usart_send[2] = 1;//正常模式
                              usart_send[3] = 17;//数据段长度
@@ -553,7 +563,7 @@
//            }
            tagslotpos=GetRandomSlotPos(rec_tagpos_binary|tagpos_binary);
            tyncpoll_time = (tagslotpos--%max_slotpos)*slottime;
      tag_state=GETNEARMSG;		
      tag_state=NEARPOLL;		
         }
      //   tyncpoll_time=0;
         next_nearbase_num=0;
@@ -694,12 +704,30 @@
            UART_PushFrame(usart_send,6+report_num*6);
         #endif
}
 double firstpath_power, rx_power,rec_firstpath_power;
  double f1, f2, r1, r2;
uint16_t F1,F2,F3,N,C;
double B = 131072;
double A = 121.74;
double min_power;
 dwt_rxdiag_t d1;
double LOS(dwt_rxdiag_t *dia) {
     F1 = dia->firstPathAmp1;
     F2 = dia->firstPathAmp2;
     F3 = dia->firstPathAmp3;
     N = dia->rxPreamCount;
     C = dia->maxGrowthCIR;
    
    firstpath_power=10* log10((F1*F1+F2*F2+F3*F3)/(N*N))-A;
    rx_power=10*log10(C*B/(N*N))-A;

 //   min_power =  - 10 * log10((F1 *F1 + F2 * F2 + F3 * F3) / (C *B));
    return min_power;
  }
void Tag_App(void)//发送模式(TAG标签)
{
   //LED0_ON;
   dwt_forcetrxoff();
   g_Resttimer=0;
      GPIO_WriteBit(GPIOA, GPIO_Pin_10, Bit_SET);   
   switch(tag_state)
   {
@@ -823,7 +851,7 @@
            dwt_write32bitreg(SYS_STATUS_ID, SYS_STATUS_ALL_RX_ERR);
         }
}
u8 misdist_num[TAG_NUM_IN_SYS],seize_anchor;
u8 misdist_num[TAG_NUM_IN_SYS],seize_anchor,getrange_success=0;
u8 Anchor_RecNearPoll(u8 ancrec_nearbasepos) //0 mainbase  1 first near_base
{
   u8 motorstate;
@@ -917,23 +945,34 @@
               tof = tof_dtu * DWT_TIME_UNITS;
               distance = tof * SPEED_OF_LIGHT;//距离=光速*飞行时间
               dist_no_bias = distance - dwt_getrangebias(config.chan, (float)distance, config.prf); //距离减去矫正系数
               dist_cm = dist_no_bias * 100; //dis ä¸ºå•ä½ä¸ºcm的距离				
               dist_cm = dist_no_bias * 1000; //dis ä¸ºå•ä½ä¸ºcm的距离	

               dwt_readdiagnostics(&d1);
               LOS(&d1);
               /*--------------------------以下为非测距逻辑------------------------*/
               //dist_cm=33000;
					
               getrange_success = 1;
               g_Resttimer=0;
               LED0_BLINK; //每成功一次通讯则闪烁一次
               dis_after_filter=dist_cm;
               hex_dist = dist_cm+(int16_t)g_com_map[DIST_OFFSET];
               hex_dist = dist_cm+(int16_t)g_com_map[DIST_OFFSET]*10;
               g_flag_Taggetdist[taglist_pos]=0;
               if(hex_dist>-1000&&hex_dist<200000)
               {
               if(abs(hex_dist-his_dist[taglist_pos])<1500||misdist_num[taglist_pos]>3)
               {
            //   if(hex_dist>0&&hex_dist<2000000)
               //{
               //if(abs(hex_dist-his_dist[taglist_pos])<10000||misdist_num[taglist_pos]>3)
               //{
                  int32_t filter_dist;
                  #ifdef TDFILTER
                  NewTrackingDiffUpdate(taglist_pos, (float)hex_dist);
                  filter_dist=pos_predict[taglist_pos]/10;
                  #else
                  filter_dist=hex_dist/10;
                  #endif
                  misdist_num[taglist_pos]=0;
               tagdist_list[taglist_pos] = hex_dist;	
               tagdist_list[taglist_pos] = filter_dist;	
               his_dist[taglist_pos]=hex_dist;   
                  g_Tagdist[taglist_pos]=hex_dist;	
            #ifndef USART_INTEGRATE_OUTPUT
                  g_Tagdist[taglist_pos]=filter_dist;	
             #ifndef USART_INTEGRATE_OUTPUT 
               usart_send[2] = 1;//正常模式 
               usart_send[3] = 17;//数据段长度
               usart_send[4] = frame_seq_nb2;//数据段长度
@@ -942,6 +981,8 @@
               memcpy(&usart_send[9],&tagdist_list[taglist_pos],4);
               usart_send[13] = battary;
               usart_send[14] = button;
                    usart_send[15] = firstpath_power;
                    usart_send[16] = rx_power;
               checksum = Checksum_u16(&usart_send[2],17);
               memcpy(&usart_send[19],&checksum,2);
               UART_PushFrame(usart_send,21);
@@ -950,11 +991,11 @@
               memcpy(&usart_send_anc[6+6*anc_report_num],&tagdist_list[taglist_pos],4);
               anc_report_num++;
            #endif
               }else{
               //   printf("%d",hex_dist);
                  misdist_num[taglist_pos]++;
               }
            }
//               }else{
//               //   printf("%d",hex_dist);
//                  misdist_num[taglist_pos]++;
//               }
//            }
         }
         }else{
               //printf("%x/n",status_reg);
@@ -980,6 +1021,7 @@
//   GPIO_WriteBit(GPIOA, GPIO_Pin_10, Bit_SET);   
   while (!((status_reg = dwt_read32bitreg(SYS_STATUS_ID)) & (SYS_STATUS_RXFCG | SYS_STATUS_ALL_RX_ERR))&&!g_start_send_flag&&!g_start_sync_flag)//不断查询芯片状态直到接收成功或者出现错误
   { 
		
      IdleTask();
   };
//GPIO_WriteBit(GPIOA, GPIO_Pin_10, Bit_RESET);   
@@ -987,7 +1029,7 @@
   { u16 tag_recv_interval;
      float temp_tagpos;
   
      g_Resttimer=0;

      dwt_write32bitreg(SYS_STATUS_ID, SYS_STATUS_RXFCG);//清除标志位
      frame_len = dwt_read32bitreg(RX_FINFO_ID) & RX_FINFO_RXFL_MASK_1023;//获得接收数据长度
      dwt_readrxdata(rx_buffer, frame_len, 0);//读取接收数据
@@ -1000,7 +1042,7 @@
//            if (anchor_type == rx_buffer[ANC_TYPE_IDX])
//            Anchor_RecPoll();
//            break;
         case SYNC:			
         case SYNC:					
            memcpy(&rec_syncid,&rx_buffer[ANCHOR_ID_IDX],4);
            if(rec_syncid<current_syncid)
            {
@@ -1041,8 +1083,10 @@
            }
            break;
      
         case NEAR_POLL:			
         case NEAR_POLL:						
            memcpy(&tag_id_recv,&rx_buffer[TAG_ID_IDX],2);
         if(tag_id_recv>=g_com_map[WHITELIST1_START]&&tag_id_recv<=g_com_map[WHITELIST1_END])
         {break;}
            taglist_pos=CmpTagInList(tag_id_recv);
            if(taglist_pos==taglist_num)
            {