zhyinch
2020-03-25 b32ba27dec812f8233cfddde10f562d8c3366b26
Ô´Âë/ºËÐİå/Src/application/dw_app.c
@@ -193,6 +193,7 @@
u8 nearbase_num;
u16 nearbaseid_list[10],mainbase_id;
int32_t mainbase_dist,nearbase_distlist[10];
uint8_t trygetnearmsg_times;
void Poll(void)
{
   uint32_t frame_len;
@@ -269,6 +270,8 @@
         {
            memcpy(&minid, &rx_buffer[ANCHOR_ID_IDX], 4);
            tag_state=GETNEARMSG;
            trygetnearmsg_times=5;
            mindist=temp_dist;
         }
         if(result==0)
         {while (!(dwt_read32bitreg(SYS_STATUS_ID) & SYS_STATUS_TXFRS))//不断查询芯片状态直到发送完成
@@ -298,7 +301,7 @@
      }
      tyncpoll_time=(tagslotpos-1)*slottime;
   }
   mainbase_id=0;//minid;
   mainbase_id=minid;
}
u8 FindNearBasePos(u16 baseid)
@@ -310,14 +313,15 @@
         return i;
   }
}
u8 recbase_num=0;
#define CHANGE_BASE_THRESHOLD  5
void NearAncSelect(void)
{static u16 last_mainbase_id,change_base_count;
   int32_t nearbase_mindist=99999, nearbase_minpos;
   u8 i;
   for(i=0;i<nearbase_num;i++)
   for(i=0;i<recbase_num-1;i++)
   {
      if(nearbase_mindist<nearbase_distlist[i])
      if(nearbase_mindist>nearbase_distlist[i])
      {
         nearbase_mindist=nearbase_distlist[i];
         nearbase_minpos=i;
@@ -348,7 +352,7 @@
   uint32_t frame_len;
   uint32_t final_tx_time;
   u32 start_poll;
   u8 i,getsync_flag=0,recbase_num,timeout;
   u8 i,getsync_flag=0,timeout;
    dwt_setrxaftertxdelay(POLL_TX_TO_RESP_RX_DLY_UUS);         //设置发送后开启接收,并设定延迟时间
    dwt_setrxtimeout(RESP_RX_TIMEOUT_UUS);      
   tag_succ_times = 0;
@@ -363,10 +367,13 @@
   dwt_writetxfctrl(13+2*nearbase_num, 0);//设置超宽带发送数据长度
   dwt_starttx(DWT_START_TX_IMMEDIATE | DWT_RESPONSE_EXPECTED);//开启发送,发送完成后等待一段时间开启接收,等待时间在dwt_setrxaftertxdelay中设置
   for(i=0;i<nearbase_num;i++)
   nearbase_distlist[i]=0xffff;
   flag_finalsend=0;
   neartimout_timer=0;
   recbase_num=0;
   timeout=nearbase_num/4+12;
   timeout=nearbase_num/4+2;
   mainbase_dist=100000;
   mainbase_lost_count++;
         while(neartimout_timer<timeout)
@@ -382,6 +389,7 @@
                        dwt_forcetrxoff();
                        dwt_setdelayedtrxtime(final_tx_time);
                        result=dwt_starttx(DWT_START_TX_DELAYED);//设定为延迟发送   
                        break;
                     }
                  }
                   if(neartimout_timer>timeout)
@@ -437,6 +445,17 @@
                           tx_near_msg[MESSAGE_TYPE_IDX]=NEAR_FINAL;
                           dwt_writetxdata(28+nearbase_num*4, tx_near_msg, 0);//将发送数据写入DW1000
                           dwt_writetxfctrl(28+nearbase_num*4, 0);//设定发送数据长度
                              usart_send[2] = 1;//正常模式
                              usart_send[3] = 17;//数据段长度
                              usart_send[4] = frame_seq_nb;//数据段长度
                              memcpy(&usart_send[5],&dev_id,2);
                              memcpy(&usart_send[7],&rec_nearbaseid,2);
                              memcpy(&usart_send[9],&rx_buffer[DIST_IDX],4);
                              usart_send[13] = battary;
                              usart_send[14] = button;
                              checksum = Checksum_u16(&usart_send[2],17);
                              memcpy(&usart_send[19],&checksum,2);
                              UART_PushFrame(usart_send,21);
                           //result=dwt_starttx(DWT_START_TX_DELAYED);//设定为延迟发送         
                        }else{
                           rec_nearbasepos=FindNearBasePos(rec_nearbaseid);
@@ -445,6 +464,17 @@
                           dwt_writetxdata(28+nearbase_num*4, tx_near_msg, 0);//将发送数据写入DW1000
                           dwt_writetxfctrl(28+nearbase_num*4, 0);//设定发送数据长度
                           LED0_BLINK;
                              usart_send[2] = 1;//正常模式
                              usart_send[3] = 17;//数据段长度
                              usart_send[4] = frame_seq_nb;//数据段长度
                              memcpy(&usart_send[5],&dev_id,2);
                              memcpy(&usart_send[7],&rec_nearbaseid,2);
                              memcpy(&usart_send[9],&rx_buffer[DIST_IDX],4);
                              usart_send[13] = battary;
                              usart_send[14] = button;
                              checksum = Checksum_u16(&usart_send[2],17);
                              memcpy(&usart_send[19],&checksum,2);
                              UART_PushFrame(usart_send,21);
                           //dwt_setdelayedtrxtime(final_tx_time);//设置final包发送时间T5
                        //   result=dwt_starttx(DWT_START_TX_DELAYED);//设定为延迟发送         
@@ -509,6 +539,7 @@
      }
   }
}
void Tag_App(void)//发送模式(TAG标签)
{
   //LED0_ON;
@@ -520,10 +551,18 @@
         Poll();
         break;
      case GETNEARMSG:
         GetNearMsg();
      //   if(trygetnearmsg_times--!=0)
         {GetNearMsg();
         }
//         else{
//            tag_state=DISCPOLL;
//         }
         break;
      case NEARPOLL:
         GPIO_WriteBit(EU_TX_GPIO, EU_RX_PIN, Bit_SET);
         NearPoll();
         GPIO_WriteBit(EU_TX_GPIO, EU_RX_PIN, Bit_RESET);
         break;
   }
}
@@ -643,13 +682,13 @@
         resp_tx_time = (poll_rx_ts + ((POLL_RX_TO_RESP_TX_DLY_UUS+ancrec_nearbasepos*DELAY_BETWEEN_TWO_FRAME_UUS) * UUS_TO_DWT_TIME)) >> 8;//计算Response发送时间T3。
         dwt_setdelayedtrxtime(resp_tx_time);//设置Response发送时间T3
         dwt_setrxaftertxdelay(0);//RESP_TX_TO_FINAL_RX_DLY_UUS+(nearbase_num-ancrec_nearbasepos)*DELAY_BETWEEN_TWO_FRAME_UUS);//设置发送完成后开启接收延迟时间
         dwt_setrxaftertxdelay(RESP_TX_TO_FINAL_RX_DLY_UUS+(nearbase_num-ancrec_nearbasepos)*DELAY_BETWEEN_TWO_FRAME_UUS);//设置发送完成后开启接收延迟时间
         dwt_setrxtimeout(FINAL_RX_TIMEOUT_UUS);//接收超时时间
         memcpy(&tx_near_msg[DIST_IDX], &tagdist_list[taglist_pos], 4);
         tx_near_msg[MESSAGE_TYPE_IDX]=NEAR_RESPONSE;
         dwt_writetxdata(17, tx_near_msg, 0);//写入发送数据
         dwt_writetxfctrl(17, 0);//设定发送长度
         dwt_writetxdata(20, tx_near_msg, 0);//写入发送数据
         dwt_writetxfctrl(20, 0);//设定发送长度
         result = dwt_starttx(DWT_START_TX_DELAYED | DWT_RESPONSE_EXPECTED);//延迟发送,等待接收
         battary = rx_buffer[BATTARY_IDX];