From f64e5147dfd5f33e098b97a00ff19d0cd5e58e85 Mon Sep 17 00:00:00 2001
From: yincheng.zhong <634916154@qq.com>
Date: 星期二, 24 十月 2023 17:21:27 +0800
Subject: [PATCH] V2.71

---
 Src/application/dw_ancapp.c |  476 ++++++++++++++++++++++++++++++-----------------------------
 1 files changed, 240 insertions(+), 236 deletions(-)

diff --git a/Src/application/dw_ancapp.c b/Src/application/dw_ancapp.c
index 0409976..2df69bf 100644
--- a/Src/application/dw_ancapp.c
+++ b/Src/application/dw_ancapp.c
@@ -28,7 +28,7 @@
 extern uint16_t sync_timer;
 static int32_t temp_dist;
 static u16 tagslotpos;
-static u8 recbase_num=0;   
+static u8 recbase_num=0;
 static int32_t mainbase_dist,nearbase_switchdistlist[MAX_NEARBASE_NUM],nearbase_distlist[MAX_NEARBASE_NUM],true_nearbase_distlist[MAX_NEARBASE_NUM],true_exsistbase_list[MAX_NEARBASE_NUM],ancsync_time,nextpoll_delaytime,offsettimeus;
 static u8 anclost_times=0 , mainbase_lost_count=0;
 static u8 exsistbase_list[MAX_NEARBASE_NUM],report_num,get_newbase=0;
@@ -44,12 +44,12 @@
 
 static u8 FindNearBasePos(u16 baseid)
 {
-	u8 i;
-	for(i=0;i<nearbase_num;i++)
-	{
-		if(baseid==nearbaseid_list[i])
-			return i;
-	}
+    u8 i;
+    for(i=0; i<nearbase_num; i++)
+    {
+        if(baseid==nearbaseid_list[i])
+            return i;
+    }
 }
 static uint8_t rx_buffer[100];
 static uint64_t poll_tx_ts;
@@ -114,176 +114,178 @@
 #define FZ_NEARBASEID_INDEX		 11
 void FZNearPoll(void)
 {
-		uint32_t temp1,temp2,dw_systime;
-	uint32_t frame_len;
-	uint32_t final_tx_time;
-	u32 start_poll;
-	u8 i,j,getsync_flag=0,timeout;
+    uint32_t temp1,temp2,dw_systime;
+    uint32_t frame_len;
+    uint32_t final_tx_time;
+    u32 start_poll;
+    u8 i,j,getsync_flag=0,timeout;
     dwt_setrxaftertxdelay(10);			//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;
-		//GPIO_WriteBit(GPIOA, GPIO_Pin_10, Bit_SET);
-	if(next_nearbase_num>=MAX_NEARBASE_NUM)
-	{
-		next_nearbase_num = MAX_NEARBASE_NUM-1;
-	}
-	HAL_GPIO_WritePin(LED0_GPIO, GPIO_PIN_9, GPIO_PIN_SET);
-	last_nearbase_num=next_nearbase_num;
-	nearbase_num=next_nearbase_num;
-	recbase_num=0;
-	motor_state=0;
-    
+    dwt_setrxtimeout(RESP_RX_TIMEOUT_UUS);
+    tag_succ_times = 0;
+    //GPIO_WriteBit(GPIOA, GPIO_Pin_10, Bit_SET);
+    if(next_nearbase_num>=MAX_NEARBASE_NUM)
+    {
+        next_nearbase_num = MAX_NEARBASE_NUM-1;
+    }
+    HAL_GPIO_WritePin(LED0_GPIO, GPIO_PIN_9, GPIO_PIN_SET);
+    last_nearbase_num=next_nearbase_num;
+    nearbase_num=next_nearbase_num;
+    recbase_num=0;
+    motor_state=0;
+
     memcpy(&send_buffer[TAG_ID_IDX], &dev_id, 2);
-	send_buffer[GROUP_ID_IDX] = group_id;
-	send_buffer[BATTARY_IDX] = bat_percent;
-	//tx_near_msg[BUTTON_IDX] = !GET_USERKEY|stationary_flag<<1;
-	send_buffer[SEQUENCE_IDX] = frame_seq_nb++;
-	send_buffer[FZ_NEARBASENUM_INDEX] = nearbase_num;
-	memcpy(&send_buffer[FZ_NEARBASEID_INDEX],&nearbaseid_list,nearbase_num*2);
-	send_buffer[MESSAGE_TYPE_IDX] = NEAR_POLL;	
-	memcpy(&send_buffer[ANCHOR_ID_IDX],&mainbase_id,2);	
-	dwt_writetxdata(35, send_buffer, 0);//将Poll包数据传给DW1000,将在开启发送时传出去
-	dwt_writetxfctrl(35, 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
-	
-	tx_near_msg[TAGCONFIGSUCCESS_INDEX] =0;
-	para_update = 0;
-	flag_finalsend=0;
-	flag_rxon=1;
-	flag_getresponse=0;
+    send_buffer[GROUP_ID_IDX] = group_id;
+    send_buffer[BATTARY_IDX] = bat_percent;
+    //tx_near_msg[BUTTON_IDX] = !GET_USERKEY|stationary_flag<<1;
+    send_buffer[SEQUENCE_IDX] = frame_seq_nb++;
+    send_buffer[FZ_NEARBASENUM_INDEX] = nearbase_num;
+    memcpy(&send_buffer[FZ_NEARBASEID_INDEX],&nearbaseid_list,nearbase_num*2);
+    send_buffer[MESSAGE_TYPE_IDX] = NEAR_POLL;
+    memcpy(&send_buffer[ANCHOR_ID_IDX],&mainbase_id,2);
+    dwt_writetxdata(35, send_buffer, 0);//将Poll包数据传给DW1000,将在开启发送时传出去
+    dwt_writetxfctrl(35, 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
+
+    tx_near_msg[TAGCONFIGSUCCESS_INDEX] =0;
+    para_update = 0;
+    flag_finalsend=0;
+    flag_rxon=1;
+    flag_getresponse=0;
 
     neartimout_timer = 0;
-	recbase_num=0;
+    recbase_num=0;
     start_count=HAL_LPTIM_ReadCounter(&hlptim1);
-	timeout=ceil((float)nearbase_num*SLOT_SCALE)+3;
+    timeout=ceil((float)nearbase_num*SLOT_SCALE)+3;
     current_count=HAL_LPTIM_ReadCounter(&hlptim1);
     end_count=start_count+(timeout<<5);
-	if(end_count>=32768)
-	{end_count-=32768;}
-			while(current_count<end_count||current_count>end_count+15000)
-			{
-					while (!((status_reg = dwt_read32bitreg(SYS_STATUS_ID)) & (SYS_STATUS_RXFCG | SYS_STATUS_ALL_RX_ERR)))//不断查询芯片状态直到成功接收或者发生错误
-					{
-						if(flag_finalsend)
-						{
-							dw_systime=dwt_readsystimestamphi32();
-							if(dw_systime>temp1&&dw_systime<temp2)
-							{
-								
-								dwt_forcetrxoff();
-								flag_rxon=0;
-								dwt_setdelayedtrxtime(final_tx_time);
-								result=dwt_starttx(DWT_START_TX_DELAYED);//设定为延迟发送	
-								flag_finalsend=0;
-								break;
-							}
-						}
-							
-						 current_count=HAL_LPTIM_ReadCounter(&hlptim1);
-						 if(current_count>=end_count&&current_count<end_count+15000)
-								break;
-					};
-					if(status_reg==0xffffffff)
-					{
-						NVIC_SystemReset();
-					}
-					if (status_reg & SYS_STATUS_RXFCG)//如果成功接收
-						{
-							dwt_write32bitreg(SYS_STATUS_ID, SYS_STATUS_RXFCG | SYS_STATUS_TXFRS);//清楚寄存器标志位
-							frame_len = dwt_read32bitreg(RX_FINFO_ID) & RX_FINFO_RXFLEN_MASK;	//获得接收到的数据长度
-							dwt_readrxdata(rx_buffer, frame_len, 0);   //读取接收数据
-							dwt_setrxtimeout(0);//DELAY_BETWEEN_TWO_FRAME_UUS*(nearbase_num+1-recbase_num)+10);//设定接收超时时间,0位没有超时时间
-							dwt_rxenable(0);//打开接收
-							if (rx_buffer[MESSAGE_TYPE_IDX] == NEAR_RESPONSE&&!memcmp(&rx_buffer[TAG_ID_IDX],&dev_id,2)&&rx_buffer[GROUP_ID_IDX]==group_id) //判断接收到的数据是否是response数据
-							{	u16 rec_nearbaseid,rec_nearbasepos;
-								poll_tx_ts = get_tx_timestamp_u64();										//获得POLL发送时间T1
-								resp_rx_ts = get_rx_timestamp_u64();										//获得RESPONSE接收时间T4	
-								recbase_num++;
-								memcpy(&rec_nearbaseid,&rx_buffer[ANCHOR_ID_IDX],2);
-								if(last_nearbase_num==0)
-								{
-									get_newbase=1;
-									nearbaseid_list[0]=rec_nearbaseid;
-									nearbase_num=1;
-									memcpy(&tx_near_msg[ANCHOR_ID_IDX],&rec_nearbaseid,2);
-								}
-								if(rec_nearbaseid==nearbaseid_list[0])
-								{
-									//////////////////////////////////时间同步
+    if(end_count>=32768)
+    {
+        end_count-=32768;
+    }
+    while(current_count<end_count||current_count>end_count+15000)
+    {
+        while (!((status_reg = dwt_read32bitreg(SYS_STATUS_ID)) & (SYS_STATUS_RXFCG | SYS_STATUS_ALL_RX_ERR)))//不断查询芯片状态直到成功接收或者发生错误
+        {
+            if(flag_finalsend)
+            {
+                dw_systime=dwt_readsystimestamphi32();
+                if(dw_systime>temp1&&dw_systime<temp2)
+                {
 
-								//	TIM3->CNT=tmp_time;
+                    dwt_forcetrxoff();
+                    flag_rxon=0;
+                    dwt_setdelayedtrxtime(final_tx_time);
+                    result=dwt_starttx(DWT_START_TX_DELAYED);//设定为延迟发送
+                    flag_finalsend=0;
+                    break;
+                }
+            }
+
+            current_count=HAL_LPTIM_ReadCounter(&hlptim1);
+            if(current_count>=end_count&&current_count<end_count+15000)
+                break;
+        };
+        if(status_reg==0xffffffff)
+        {
+            NVIC_SystemReset();
+        }
+        if (status_reg & SYS_STATUS_RXFCG)//如果成功接收
+        {
+            dwt_write32bitreg(SYS_STATUS_ID, SYS_STATUS_RXFCG | SYS_STATUS_TXFRS);//清楚寄存器标志位
+            frame_len = dwt_read32bitreg(RX_FINFO_ID) & RX_FINFO_RXFLEN_MASK;	//获得接收到的数据长度
+            dwt_readrxdata(rx_buffer, frame_len, 0);   //读取接收数据
+            dwt_setrxtimeout(0);//DELAY_BETWEEN_TWO_FRAME_UUS*(nearbase_num+1-recbase_num)+10);//设定接收超时时间,0位没有超时时间
+            dwt_rxenable(0);//打开接收
+            if (rx_buffer[MESSAGE_TYPE_IDX] == NEAR_RESPONSE&&!memcmp(&rx_buffer[TAG_ID_IDX],&dev_id,2)&&rx_buffer[GROUP_ID_IDX]==group_id) //判断接收到的数据是否是response数据
+            {   u16 rec_nearbaseid,rec_nearbasepos;
+                poll_tx_ts = get_tx_timestamp_u64();										//获得POLL发送时间T1
+                resp_rx_ts = get_rx_timestamp_u64();										//获得RESPONSE接收时间T4
+                recbase_num++;
+                memcpy(&rec_nearbaseid,&rx_buffer[ANCHOR_ID_IDX],2);
+                if(last_nearbase_num==0)
+                {
+                    get_newbase=1;
+                    nearbaseid_list[0]=rec_nearbaseid;
+                    nearbase_num=1;
+                    memcpy(&tx_near_msg[ANCHOR_ID_IDX],&rec_nearbaseid,2);
+                }
+                if(rec_nearbaseid==nearbaseid_list[0])
+                {
+                    //////////////////////////////////时间同步
+
+                    //	TIM3->CNT=tmp_time;
 //									if(tagslotpos>max_slotpos)
 //										tagslotpos=tagslotpos%(max_slotpos+1);
 //										tyncpoll_time=(tagslotpos-1)*slottime;
-									////////////////////////////
-									rec_nearbasepos=0;
-									exsistbase_list[rec_nearbasepos]=KEEP_TIMES;
-									memcpy(&temp_dist,&rx_buffer[DIST_IDX],4);
-									nearbase_distlist[rec_nearbasepos]=temp_dist;
-									if((rx_buffer[MOTORSTATE_INDEX]&0xf)!=3)
-										motor_state=rx_buffer[MOTORSTATE_INDEX]&0xf;
-									rec_remotepara_state=rx_buffer[MOTORSTATE_INDEX]>>4;
-									
-									mainbase_lost_count=0;
-									flag_finalsend=1;
-									memcpy(&mainbase_dist,&rx_buffer[DIST_IDX],4);
-									final_tx_time = (resp_rx_ts + ((RESP_RX_TO_FINAL_TX_DLY_UUS+DELAY_BETWEEN_TWO_FRAME_UUS*nearbase_num+500) * UUS_TO_DWT_TIME)) >> 8;
-									temp1=final_tx_time-((850*UUS_TO_DWT_TIME)>>8);
-									temp2=final_tx_time+((100*UUS_TO_DWT_TIME)>>8);
-								//	dwt_setdelayedtrxtime(final_tx_time);//设置final包发送时间T5
-									final_tx_ts = (((uint64_t)(final_tx_time & 0xFFFFFFFE)) << 8) ;//final包实际发送时间是计算时间加上发送天线delay
-									final_msg_set_ts(&tx_near_msg[FINAL_MSG_POLL_TX_TS_IDX], poll_tx_ts);//将T1,T4,T5写入发送数据
-									final_msg_set_ts(&tx_near_msg[FINAL_MSG_RESP_RX_NEARBASE_IDX], resp_rx_ts);
-									final_msg_set_ts(&tx_near_msg[FINAL_MSG_FINAL_TX_TS_IDX], final_tx_ts);
-									tx_near_msg[MESSAGE_TYPE_IDX]=NEAR_FINAL;
-                                    tx_near_msg[GROUP_ID_IDX] = group_id;
-									
-									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
-									flag_getresponse=1;
-									
-								}else{
-									rec_nearbasepos=FindNearBasePos(rec_nearbaseid);
-									
-										if(rec_nearbasepos>=last_nearbase_num)          //发现新的基站
-									{
-										get_newbase=1;
-										nearbase_num++;
-										nearbaseid_list[rec_nearbasepos] = rec_nearbaseid;
-										memcpy(&tx_near_msg[ANCHOR_ID_IDX],&rec_nearbaseid,2);
-									}
-									
-									exsistbase_list[rec_nearbasepos]=KEEP_TIMES;
-									memcpy(&temp_dist,&rx_buffer[DIST_IDX],4);
-									nearbase_distlist[rec_nearbasepos]=temp_dist;
-									
-									if(motor_state<(rx_buffer[MOTORSTATE_INDEX]&0xf)&&(rx_buffer[MOTORSTATE_INDEX]&0xf)!=3)
-									{
-											motor_state=rx_buffer[MOTORSTATE_INDEX];
-									}
-									final_msg_set_ts(&tx_near_msg[FINAL_MSG_RESP_RX_NEARBASE_IDX+(rec_nearbasepos)*4], resp_rx_ts);								
-									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
-                                    
+                    ////////////////////////////
+                    rec_nearbasepos=0;
+                    exsistbase_list[rec_nearbasepos]=KEEP_TIMES;
+                    memcpy(&temp_dist,&rx_buffer[DIST_IDX],4);
+                    nearbase_distlist[rec_nearbasepos]=temp_dist;
+                    if((rx_buffer[MOTORSTATE_INDEX]&0xf)!=3)
+                        motor_state=rx_buffer[MOTORSTATE_INDEX]&0xf;
+                    rec_remotepara_state=rx_buffer[MOTORSTATE_INDEX]>>4;
 
-									//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			
-									//dwt_writetxdata(4,&tx_near_msg[FINAL_MSG_RESP_RX_NEARBASE_IDX+(rec_nearbasepos+1)*4], FINAL_MSG_RESP_RX_NEARBASE_IDX+(rec_nearbasepos+1)*4);//将发送数据写入DW1000
-								}								
-							}
-						}else{
-						dwt_write32bitreg(SYS_STATUS_ID,SYS_STATUS_RXFCG| SYS_STATUS_ALL_RX_ERR);
-						if(flag_rxon)
-							{dwt_rxenable(0);	
-							}								
-						}			
-					//	dwt_write32bitreg(SYS_STATUS_ID,SYS_STATUS_RXFCG| SYS_STATUS_ALL_RX_ERR);
-			}
+                    mainbase_lost_count=0;
+                    flag_finalsend=1;
+                    memcpy(&mainbase_dist,&rx_buffer[DIST_IDX],4);
+                    final_tx_time = (resp_rx_ts + ((RESP_RX_TO_FINAL_TX_DLY_UUS+DELAY_BETWEEN_TWO_FRAME_UUS*nearbase_num+500) * UUS_TO_DWT_TIME)) >> 8;
+                    temp1=final_tx_time-((850*UUS_TO_DWT_TIME)>>8);
+                    temp2=final_tx_time+((100*UUS_TO_DWT_TIME)>>8);
+                    //	dwt_setdelayedtrxtime(final_tx_time);//设置final包发送时间T5
+                    final_tx_ts = (((uint64_t)(final_tx_time & 0xFFFFFFFE)) << 8) ;//final包实际发送时间是计算时间加上发送天线delay
+                    final_msg_set_ts(&tx_near_msg[FINAL_MSG_POLL_TX_TS_IDX], poll_tx_ts);//将T1,T4,T5写入发送数据
+                    final_msg_set_ts(&tx_near_msg[FINAL_MSG_RESP_RX_NEARBASE_IDX], resp_rx_ts);
+                    final_msg_set_ts(&tx_near_msg[FINAL_MSG_FINAL_TX_TS_IDX], final_tx_ts);
+                    tx_near_msg[MESSAGE_TYPE_IDX]=NEAR_FINAL;
+                    tx_near_msg[GROUP_ID_IDX] = group_id;
+
+                    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
+                    flag_getresponse=1;
+
+                } else {
+                    rec_nearbasepos=FindNearBasePos(rec_nearbaseid);
+
+                    if(rec_nearbasepos>=last_nearbase_num)          //发现新的基站
+                    {
+                        get_newbase=1;
+                        nearbase_num++;
+                        nearbaseid_list[rec_nearbasepos] = rec_nearbaseid;
+                        memcpy(&tx_near_msg[ANCHOR_ID_IDX],&rec_nearbaseid,2);
+                    }
+
+                    exsistbase_list[rec_nearbasepos]=KEEP_TIMES;
+                    memcpy(&temp_dist,&rx_buffer[DIST_IDX],4);
+                    nearbase_distlist[rec_nearbasepos]=temp_dist;
+
+                    if(motor_state<(rx_buffer[MOTORSTATE_INDEX]&0xf)&&(rx_buffer[MOTORSTATE_INDEX]&0xf)!=3)
+                    {
+                        motor_state=rx_buffer[MOTORSTATE_INDEX];
+                    }
+                    final_msg_set_ts(&tx_near_msg[FINAL_MSG_RESP_RX_NEARBASE_IDX+(rec_nearbasepos)*4], resp_rx_ts);
+                    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
+
+
+                    //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
+                    //dwt_writetxdata(4,&tx_near_msg[FINAL_MSG_RESP_RX_NEARBASE_IDX+(rec_nearbasepos+1)*4], FINAL_MSG_RESP_RX_NEARBASE_IDX+(rec_nearbasepos+1)*4);//将发送数据写入DW1000
+                }
+            }
+        } else {
             dwt_write32bitreg(SYS_STATUS_ID,SYS_STATUS_RXFCG| SYS_STATUS_ALL_RX_ERR);
-			nearbase_num=recbase_num;
-            j=0;
-			if(exsistbase_list[0]==0)
-			{
+            if(flag_rxon)
+            {   dwt_rxenable(0);
+            }
+        }
+        //	dwt_write32bitreg(SYS_STATUS_ID,SYS_STATUS_RXFCG| SYS_STATUS_ALL_RX_ERR);
+    }
+    dwt_write32bitreg(SYS_STATUS_ID,SYS_STATUS_RXFCG| SYS_STATUS_ALL_RX_ERR);
+    nearbase_num=recbase_num;
+    j=0;
+    if(exsistbase_list[0]==0)
+    {
 //			 u8 temp_adc,random_value;
 //				random_value=0;
 //				for(i=0;i<8;i++)
@@ -291,77 +293,79 @@
 //					temp_adc=Get_ADC_Value();
 //					random_value=random_value|((temp_adc&0x01)<<i);
 //				}
-				tagslotpos=GetRandomSlotPos(rec_tagpos_binary);
-				tyncpoll_time = (tagslotpos--%max_slotpos)*slottime;	
-			}
-		//	tyncpoll_time=0;
-			next_nearbase_num=0;
-			for(i=0;i<last_nearbase_num+get_newbase;i++)
-			{
-				if(exsistbase_list[i]>0)
-				{		
-					next_nearbase_num++;
-					true_exsistbase_list[j]=exsistbase_list[i];
-					true_nearbase_idlist[j]=nearbaseid_list[i];			
-					true_nearbase_distlist[j++]=nearbase_distlist[i];
-					exsistbase_list[i]--;
-				}
-			}
+        tagslotpos=GetRandomSlotPos(rec_tagpos_binary);
+        tyncpoll_time = (tagslotpos--%max_slotpos)*slottime;
+    }
+    //	tyncpoll_time=0;
+    next_nearbase_num=0;
+    for(i=0; i<last_nearbase_num+get_newbase; i++)
+    {
+        if(exsistbase_list[i]>0)
+        {
+            next_nearbase_num++;
+            true_exsistbase_list[j]=exsistbase_list[i];
+            true_nearbase_idlist[j]=nearbaseid_list[i];
+            true_nearbase_distlist[j++]=nearbase_distlist[i];
+            exsistbase_list[i]--;
+        }
+    }
 
-			if(recbase_num<3)
-			{next_nearbase_num=next_nearbase_num;}
-					last_nearbase_num = next_nearbase_num;
-			for(i=0;i<last_nearbase_num-1;i++)
-			{
-				for(j=0;j<last_nearbase_num-1;j++)
-				{
-					if(true_nearbase_distlist[j]>true_nearbase_distlist[j+1])
-					{
-						u32 temp_dist,temp_id,temp_exsis;
-						temp_dist=true_nearbase_distlist[j];
-						temp_id = true_nearbase_idlist[j];
-						temp_exsis=true_exsistbase_list[i];
-						true_nearbase_distlist[j]=true_nearbase_distlist[j+1];
-						true_nearbase_idlist[j]=true_nearbase_idlist[j+1];
-						true_exsistbase_list[j]=true_exsistbase_list[j+1];
-						
-						true_nearbase_distlist[j+1]=temp_dist;
-						true_nearbase_idlist[j+1]=temp_id;
-						true_exsistbase_list[j+1]=temp_exsis;
-					}			
-				}
-			}
-			
-			report_num=0;
-	for (i=0;i<last_nearbase_num;i++)
-			{
-				nearbaseid_list[i]=true_nearbase_idlist[i];
-				nearbase_distlist[i]=true_nearbase_distlist[i];
-				if(nearbase_distlist[i]!=0x1ffff&&true_exsistbase_list[i]==KEEP_TIMES)
-				{
-					memcpy(&usart_send[4+6*report_num],&nearbaseid_list[i],2);
-					memcpy(&usart_send[6+6*report_num],&nearbase_distlist[i],4);
-					report_num++;
-				}
-			}
-            #ifdef USART_INTEGRATE_OUTPUT	
-                usart_send[0] = 0x55;     
-                usart_send[1] = 0xAA;              
-				usart_send[2] = 4;//正常模式
-				usart_send[3] = report_num*6+2;//正常模式
-				checksum = Checksum_u16(&usart_send[2],report_num*6+2);
-				memcpy(&usart_send[4+report_num*6],&checksum,2);
-				USART_puts(usart_send,6+report_num*6);
-			#endif
-           if(motor_state==2)
-			{outside_count=0;
-			}else{
-				outside_count++;
-			}
-			for(i=0;i<MAX_NEARBASE_NUM;i++)
-			{
-				nearbase_distlist[i]=0x1ffff;
-			}
-	dwt_write32bitreg(SYS_STATUS_ID, SYS_STATUS_ALL_RX_ERR| SYS_STATUS_TXFRS |SYS_STATUS_RXFCG);
-            
+    if(recbase_num<3)
+    {
+        next_nearbase_num=next_nearbase_num;
+    }
+    last_nearbase_num = next_nearbase_num;
+    for(i=0; i<last_nearbase_num-1; i++)
+    {
+        for(j=0; j<last_nearbase_num-1; j++)
+        {
+            if(true_nearbase_distlist[j]>true_nearbase_distlist[j+1])
+            {
+                u32 temp_dist,temp_id,temp_exsis;
+                temp_dist=true_nearbase_distlist[j];
+                temp_id = true_nearbase_idlist[j];
+                temp_exsis=true_exsistbase_list[i];
+                true_nearbase_distlist[j]=true_nearbase_distlist[j+1];
+                true_nearbase_idlist[j]=true_nearbase_idlist[j+1];
+                true_exsistbase_list[j]=true_exsistbase_list[j+1];
+
+                true_nearbase_distlist[j+1]=temp_dist;
+                true_nearbase_idlist[j+1]=temp_id;
+                true_exsistbase_list[j+1]=temp_exsis;
+            }
+        }
+    }
+
+    report_num=0;
+    for (i=0; i<last_nearbase_num; i++)
+    {
+        nearbaseid_list[i]=true_nearbase_idlist[i];
+        nearbase_distlist[i]=true_nearbase_distlist[i];
+        if(nearbase_distlist[i]!=0x1ffff&&true_exsistbase_list[i]==KEEP_TIMES)
+        {
+            memcpy(&usart_send[4+6*report_num],&nearbaseid_list[i],2);
+            memcpy(&usart_send[6+6*report_num],&nearbase_distlist[i],4);
+            report_num++;
+        }
+    }
+#ifdef USART_INTEGRATE_OUTPUT
+    usart_send[0] = 0x55;
+    usart_send[1] = 0xAA;
+    usart_send[2] = 4;//正常模式
+    usart_send[3] = report_num*6+2;//正常模式
+    checksum = Checksum_u16(&usart_send[2],report_num*6+2);
+    memcpy(&usart_send[4+report_num*6],&checksum,2);
+    USART_puts(usart_send,6+report_num*6);
+#endif
+    if(motor_state==2)
+    {   outside_count=0;
+    } else {
+        outside_count++;
+    }
+    for(i=0; i<MAX_NEARBASE_NUM; i++)
+    {
+        nearbase_distlist[i]=0x1ffff;
+    }
+    dwt_write32bitreg(SYS_STATUS_ID, SYS_STATUS_ALL_RX_ERR| SYS_STATUS_TXFRS |SYS_STATUS_RXFCG);
+
 }
\ No newline at end of file

--
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