From f953be595ef8c2d17c533405e26093b2049f469a Mon Sep 17 00:00:00 2001
From: yincheng.zhong <634916154@qq.com>
Date: 星期二, 25 十月 2022 16:36:41 +0800
Subject: [PATCH] 1.修改定位通讯标志位,不会和其他系统干扰。 2.2.需要配合定位基站V2.111使用

---
 Src/application/dw_app.c |  238 ++++++++++++++++++++++++++++++++++++----------------------
 1 files changed, 147 insertions(+), 91 deletions(-)

diff --git a/Src/application/dw_app.c b/Src/application/dw_app.c
index babb107..6edc2bf 100644
--- a/Src/application/dw_app.c
+++ b/Src/application/dw_app.c
@@ -47,7 +47,7 @@
 #define POLL_TX_TO_RESP_RX_DLY_UUS 10
 /* This is the delay from Frame RX timestamp to TX reply timestamp used for calculating/setting the DW1000's delayed TX function. This includes the
  * frame length of approximately 2.66 ms with above configuration. */
-#define RESP_RX_TO_FINAL_TX_DLY_UUS 510
+#define RESP_RX_TO_FINAL_TX_DLY_UUS 1000
 
 /* Receive response timeout. See NOTE 5 below. */
 #define RESP_RX_TIMEOUT_UUS 4000
@@ -83,7 +83,7 @@
 static dwt_config_t config = {
 	2,               /* Channel number. */
 	DWT_PRF_64M,     /* Pulse repetition frequency. */
-	DWT_PLEN_64,    /* Preamble length. */
+	DWT_PLEN_128,    /* Preamble length. */
 	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. */
@@ -473,7 +473,7 @@
 u8 motor_state,rec_remotepara_state,rec_remotepara[80];
 
 
-#define SINGLEPOLL_BASENUM 15
+#define SINGLEPOLL_BASENUM 5
 uint16_t singlepoll_baseid[20]={0x8166,0x9804,0x9689,0x9686,0x8279,0x9815,0x9803,0x9814,0x9687,0x9774,0x8278,0x9743,0x9688,0x9771,0x8277};
 int32_t singlepoll_basedist[20];
 
@@ -483,39 +483,43 @@
 uint32_t frame_len;
 int32_t salvebase_mindist;
 int16_t intheight;
-void Poll(void)
+static uint8_t send_buffer[200];
+void DiscPoll(void)
 {
 	uint32_t frame_len;
 	uint32_t final_tx_time;
 	u32 start_poll;
-	int32_t mindist=999999,minid=-1,temp_dist;
+	int32_t minddist=0x1ffff,minid=-1,temp_dist;
 	u8 i,j,getsync_flag=0;
+    u16 mindist_ancid,random_delay_tim,tempval;
+    
     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;
 	frame_seq_nb++;
-    intheight+=g_com_map[HEIGHTOFFEST_INDEX];
-	for(singlepoll_i=0;singlepoll_i<SINGLEPOLL_BASENUM;singlepoll_i++)
+	for(uint8_t singlepoll_i=0;singlepoll_i<10;singlepoll_i++)
 	{
-	/* Write frame data to DW1000 and prepare transmission. See NOTE 7 below. */
-	 nearbase_num = SINGLEPOLL_BASENUM;
-        
-        tx_near_msg[BATTARY_IDX] = bat_percent;
-	tx_near_msg[BUTTON_IDX] = userkey_state|stationary_flag<<1|gotosleep_flag<<2;
-	tx_near_msg[SEQUENCE_IDX] = frame_seq_nb;
-    tx_near_msg[SEQUENCEH_IDX] = (frame_seq_nb)>>8;
-	tx_near_msg[NEARBASENUM_INDEX] = nearbase_num;
-	memcpy(&tx_near_msg[NEARBASEID_INDEX],&singlepoll_baseid,nearbase_num*2);
-    memcpy(&tx_near_msg[NEARBASEID_INDEX+nearbase_num*2],&singlepoll_basedist,nearbase_num*4+4);
-    
-    memcpy(&tx_near_msg[NEARBASEID_INDEX+nearbase_num*6],&intheight,2);
-	tx_near_msg[MESSAGE_TYPE_IDX] = SPOLL;	
-	
-	tx_near_msg[NEARP_TAGFREQ_INDEX] = tag_frequency;	
-	tx_near_msg[NEARP_TAGSLOTPOS_INDEX] = tagslotpos;	
+       
 
-	memcpy(&tx_near_msg[ANCHOR_ID_IDX],&singlepoll_baseid[singlepoll_i],2);	
-	dwt_writetxdata(28+6*nearbase_num, tx_near_msg, 0);//将Poll包数据传给DW1000,将在开启发送时传出去
+	/* Write frame data to DW1000 and prepare transmission. See NOTE 7 below. */
+	 nearbase_num = 0;
+        
+   // send_buffer[BATTARY_IDX] = bat_percent;
+	//send_buffer[BUTTON_IDX] = !GET_USERKEY|stationary_flag<<1|gotosleep_flag<<2;
+	send_buffer[SEQUENCE_IDX] = frame_seq_nb;
+    send_buffer[SEQUENCEH_IDX] = (frame_seq_nb)>>8;
+	send_buffer[NEARBASENUM_INDEX] = nearbase_num;
+     
+//	memcpy(&send_buffer[NEARBASEID_INDEX],&singlepoll_baseid,nearbase_num*2);
+//    memcpy(&send_buffer[NEARBASEID_INDEX+nearbase_num*2],&singlepoll_basedist,nearbase_num*4+4);
+//    intheight+=g_com_map[HEIGHTOFFEST_INDEX];
+ //   memcpy(&send_buffer[NEARBASEID_INDEX+nearbase_num*6],&intheight,2);
+	send_buffer[MESSAGE_TYPE_IDX] = DISCOVERPOLL;	
+//	singlepoll_basedist[singlepoll_i]= 0x1ffff;
+	send_buffer[NEARP_TAGFREQ_INDEX] = tag_frequency;	
+	send_buffer[NEARP_TAGSLOTPOS_INDEX] = tagslotpos;	
+    send_buffer[ANCHOR_ID_IDX] = singlepoll_i;
+	memcpy(&send_buffer[TAG_ID_IDX],&dev_id,2);	
+	dwt_writetxdata(28+6*nearbase_num, send_buffer, 0);//将Poll包数据传给DW1000,将在开启发送时传出去
 	dwt_writetxfctrl(28+6*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
 
@@ -533,63 +537,55 @@
 		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
-		if (rx_buffer[MESSAGE_TYPE_IDX] == RESPONSE&&!memcmp(&rx_buffer[TAG_ID_IDX],&dev_id,2)&&!memcmp(&rx_buffer[ANCHOR_ID_IDX],&singlepoll_baseid[singlepoll_i],2)) //判断接收到的数据是否是response数据
+        
+		if (rx_buffer[MESSAGE_TYPE_IDX] == RESPONSE&&!memcmp(&rx_buffer[TAG_ID_IDX],&dev_id,2)) //判断接收到的数据是否是response数据
 		{
 			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			
 			if(getsync_flag==0)
 			{
 				getsync_flag=1;
-									memcpy(&sync_timer,&rx_buffer[ANCTIMEMS],2);
-									memcpy(&tmp_time,&rx_buffer[ANCTIMEUS],2);
-									current_count=HAL_LPTIM_ReadCounter(&hlptim1);
+                memcpy(&sync_timer,&rx_buffer[ANCTIMEMS],2);
+                memcpy(&tmp_time,&rx_buffer[ANCTIMEUS],2);
+//                current_count=HAL_LPTIM_ReadCounter(&hlptim1);
 //									memcpy(&tagslotpos,&rx_buffer[TAGSLOTPOS],2);		
-									tmp_time=tmp_time+450;
-									if(tmp_time>999)
-									{
-										tmp_time-=999;
-										sync_timer++;
-										if(sync_timer>=1010)
-											{sync_timer=0;}
-									}
-                                    ancsync_time=((sync_timer)*1000+tmp_time);	
-//									last_slotnum=current_slotnum;
-//									temptimer = sync_timer-10;
-//									if(temptimer<0)
-//									{temptimer+=1000;}
-//									//current_slotnum=((float)temptimer/(SLOTTIME_MS*bigslot_num))+1;
-//									if(current_slotnum==last_slotnum-1)
-//									{flag_getresponse=1;}
-//									lastsync_timer=sync_timer;
-									//offsettimeus=ancsync_time-current_count*LPTIMER_LSB+offset;
-//									SetNextPollTime(tagslotpos);
+                tmp_time=tmp_time+450;
+                if(tmp_time>999)
+                {
+                    tmp_time-=999;
+                    sync_timer++;
+                    if(sync_timer>=1010)
+                        {sync_timer=0;}
+                }
+
+                //offsettimeus=ancsync_time-current_count*LPTIMER_LSB+offset;
+//                SetNextPollTime(tagslotpos);
 		}
-			
+			memcpy(&send_buffer[NEARBASEID_INDEX+singlepoll_i*2],&rx_buffer[ANCHOR_ID_IDX],2);
 			memcpy(&temp_dist, &rx_buffer[DIST_IDX], 4);
-			memcpy(&tx_final_msg[ANCHOR_ID_IDX], &rx_buffer[ANCHOR_ID_IDX], 4);
-            singlepoll_basedist[singlepoll_i] = temp_dist;
+			memcpy(&send_buffer[ANCHOR_ID_IDX], &rx_buffer[ANCHOR_ID_IDX], 4);
+           // singlepoll_basedist[singlepoll_i] = temp_dist;
+       // memcpy(&singlepoll_baseid[singlepoll_i], &rx_buffer[ANCHOR_ID_IDX], 2);
+            
+            if(temp_dist<minddist)
+            {
+                minddist = temp_dist;
+                memcpy(&mindist_ancid,&rx_buffer[ANCHOR_ID_IDX],2);
+                
+            }
+            send_buffer[MESSAGE_TYPE_IDX] = DISCOVERFINAL;	
 			/* Compute final message transmission time. See NOTE 9 below. */
-			final_tx_time = (resp_rx_ts + (RESP_RX_TO_FINAL_TX_DLY_UUS * UUS_TO_DWT_TIME)) >> 8;//计算final包发送时间,T5=T4+Treply2
+			final_tx_time = (resp_rx_ts + (600 * UUS_TO_DWT_TIME)) >> 8;//计算final包发送时间,T5=T4+Treply2
 			dwt_setdelayedtrxtime(final_tx_time);//设置final包发送时间T5
 			final_tx_ts = (((uint64_t)(final_tx_time & 0xFFFFFFFE)) << 8) + TX_ANT_DLY;//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_final_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_final_msg[FINAL_MSG_RESP_RX_TS_IDX], resp_rx_ts);
-			final_msg_set_ts(&tx_final_msg[FINAL_MSG_FINAL_TX_TS_IDX], final_tx_ts);
-			dwt_writetxdata(sizeof(tx_final_msg), tx_final_msg, 0);//将发送数据写入DW1000
-			dwt_writetxfctrl(sizeof(tx_final_msg), 0);//设定发送数据长度
+			final_msg_set_ts(&send_buffer[FINAL_MSG_POLL_TX_TS_IDX], poll_tx_ts);//将T1,T4,T5写入发送数据
+			final_msg_set_ts(&send_buffer[FINAL_MSG_RESP_RX_TS_IDX], resp_rx_ts);
+			final_msg_set_ts(&send_buffer[FINAL_MSG_FINAL_TX_TS_IDX], final_tx_ts);
+			dwt_writetxdata(25,send_buffer, 0);//将发送数据写入DW1000
+			dwt_writetxfctrl(25, 0);//设定发送数据长度
 			result=dwt_starttx(DWT_START_TX_DELAYED);//设定为延迟发送			
-			tag_succ_times++;		
-				LED0_BLINK;
 			
-
-		
-//			if(temp_dist<mindist&&temp_dist!=0)
-//			{
-//				memcpy(&minid, &rx_buffer[ANCHOR_ID_IDX], 4);
-//				tag_state=GETNEARMSG;
-//				trygetnearmsg_times=10*tag_frequency;
-//				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
 			{ };
@@ -610,16 +606,23 @@
 	dwt_write32bitreg(SYS_STATUS_ID, SYS_STATUS_ALL_RX_ERR);
 		random_delay_tim = DFT_RAND_DLY_TIM_MS;
 	}
+   // delay_ms(1);
 }
+    if(minddist!=0x1ffff&&minddist!=0)
+    {
+			trygetnearmsg_times = 0;
+            tag_state = GETNEARMSG;
+            mainbase_id = mindist_ancid;   
+    }
    
 	if(getsync_flag==0)
 	{
 //	tagslotpos--;
-			if(tagslotpos==0||tagslotpos>max_slotpos)
-		{		
-			tagslotpos=max_slotpos;	
-		}
-		tyncpoll_time=(tagslotpos-1)*slottime;
+//			if(tagslotpos==0||tagslotpos>max_slotpos)
+//		{		
+//			tagslotpos=max_slotpos;	
+//		}
+//		tyncpoll_time=(tagslotpos-1)*slottime;
 	}
 //	mainbase_id=minid;
 //	mainbase_id = 0x4;
@@ -718,7 +721,7 @@
 //mainbase_id = 0x9818;
 	memcpy(&tx_near_msg[ANCHOR_ID_IDX],&mainbase_id,2);
 	memcpy(&tx_near_msg[TAG_ID_IDX],&dev_id,2);
-	tx_near_msg[MESSAGE_TYPE_IDX] = NEAR_MSG;
+	tx_near_msg[MESSAGE_TYPE_IDX] = POS_MSG;
 	
     
 	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
@@ -749,7 +752,7 @@
 		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
-		if (rx_buffer[MESSAGE_TYPE_IDX] == NEAR_MSG&&!memcmp(&rx_buffer[TAG_ID_IDX],&dev_id,2)) //判断接收到的数据是否是response数据
+		if (rx_buffer[MESSAGE_TYPE_IDX] == POS_MSG&&!memcmp(&rx_buffer[TAG_ID_IDX],&dev_id,2)) //判断接收到的数据是否是response数据
 		{
 			nearbase_num=rx_buffer[NEARBASENUM_INDEX];
 			memcpy(&rec_tagpos_binary,&rx_buffer[NEARMSG_EMPTYSLOTPOS_INDEX],4);
@@ -766,20 +769,48 @@
 //			tyncpoll_time = (tagslotpos--%max_slotpos)*slottime;
 	}
 }
+void SendHuiZongData(void)
+{
+                usart_send[2] = 0x0c;//正常模式 
+					usart_send[3] = 15+8*(nearbase_num+1);//数据段长度
+					memcpy(&usart_send[4],&dev_id,2);
+                    usart_send[6] = frame_seq_nb;
+                    usart_send[7] = frame_seq_nb>>8;
+					usart_send[8] = bat_percent;
+                    usart_send[9] = tx_near_msg[BUTTON_IDX];
 
+                    memcpy(&usart_send[10],&intheight,2);
+					usart_send[12] = tag_frequency;
+                    usart_send[13] = tagslotpos;
+                    usart_send[14] = 0;
+                    usart_send[15] = 0;
+					usart_send[16] = nearbase_num+1;
+                    memcpy(&usart_send[17],&mainbase_id,2);
+                    memcpy(&usart_send[19],&nearbaseid_list,2*nearbase_num);
+                    memcpy(&usart_send[19+nearbase_num*2],&nearbase_distlist,4*nearbase_num+4);
+					 memcpy(&usart_send[19+nearbase_num*6+4],&rec_anc_signalpower,2*nearbase_num+2);
+                    
+					checksum = Checksum_u16(&usart_send[2],23+8*nearbase_num);
+					memcpy(&usart_send[25+8*nearbase_num],&checksum,2);
+					USART_puts(usart_send,27+8*nearbase_num);
+					//HexToAsciiSendUDP(usart_send,27+8*nearbase_num);
+}
+uint8_t pack_length = 0,pack_index = 0,pack_msgtype = 0;
+uint8_t motor_flag;
 void NearPoll(void)
 {
 	
 	uint32_t temp1,temp2,dw_systime,mindist_slavebaseid;
-
+    static u8 notenoughdist_count=0;
 	uint32_t final_tx_time;
 	u32 start_poll;
-	u8 i,j,getsync_flag=0,timeout;
+	u8 i,j,getsync_flag=0,timeout,get_newdist;
    // USART_putc(current_slotnum);
     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;
 	salvebase_mindist=999999;
+    get_newdist = 0;
 	if(next_nearbase_num>=MAX_NEARBASE_NUM)
 	{
 		next_nearbase_num = MAX_NEARBASE_NUM-1;
@@ -790,9 +821,15 @@
 
 	recbase_num=0;
 //	motor_state=0;
+    if(motor_state!=0&&motor_state!=3)
+    {
+        motor_flag = 1;
+    }else{
+        motor_flag = 0;
+    }
 	
 	tx_near_msg[BATTARY_IDX] = bat_percent;
-	tx_near_msg[BUTTON_IDX] = userkey_state|stationary_flag<<1|gotosleep_flag<<2;
+	tx_near_msg[BUTTON_IDX] = userkey_state|stationary_flag<<1|gotosleep_flag<<2|motor_flag<<5;
 	tx_near_msg[SEQUENCE_IDX] = frame_seq_nb;
   tx_near_msg[SEQUENCEH_IDX] = (frame_seq_nb++)>>8;
 	tx_near_msg[NEARBASENUM_INDEX] = nearbase_num;
@@ -805,7 +842,7 @@
     intheight+=g_com_map[HEIGHTOFFEST_INDEX];
     
     memcpy(&tx_near_msg[NEARBASEID_INDEX+nearbase_num*8+6],&intheight,2);
-	tx_near_msg[MESSAGE_TYPE_IDX] = NEAR_POLL;	
+	tx_near_msg[MESSAGE_TYPE_IDX] = POS_POLL;	
 	
 	tx_near_msg[NEARP_TAGFREQ_INDEX] = tag_frequency;	
 	tx_near_msg[NEARP_TAGSLOTPOS_INDEX] = tagslotpos;	
@@ -865,7 +902,7 @@
 							dwt_setrxtimeout(0);//设定接收超时时间,0位没有超时时间
 							dwt_rxenable(0);//打开接收
 							//HAL_GPIO_WritePin(LED1_G_GPIO_Port, LED1_G_Pin, GPIO_PIN_SET);
-							if (rx_buffer[MESSAGE_TYPE_IDX] == NEAR_RESPONSE&&!memcmp(&rx_buffer[TAG_ID_IDX],&dev_id,2)) //判断接收到的数据是否是response数据
+							if (rx_buffer[MESSAGE_TYPE_IDX] == POS_RESPONSE&&!memcmp(&rx_buffer[TAG_ID_IDX],&dev_id,2)) //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	
@@ -883,7 +920,7 @@
 									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+nearbase_num*4], 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[MESSAGE_TYPE_IDX]=POS_FINAL;
 									rec_remotepara_state=rx_buffer[MOTORSTATE_INDEX]>>4;
 								if(rec_remotepara_state&&!memcmp(&rx_buffer[TAG_ID_IDX],&dev_id,2))
 									{
@@ -899,6 +936,10 @@
 									userkey_state = !GET_USERKEY;
 
 									memcpy(&temp_dist,&rx_buffer[DIST_IDX],4);
+                                    if(temp_dist!=nearbase_distlist[0])
+                                    {
+                                        get_newdist++;
+                                    }
 									mainbase_dist=temp_dist;
                                     nearbase_distlist[0] = temp_dist;
                                     base_mindist = temp_dist;
@@ -951,6 +992,10 @@
                                     if(frame_len==28)
                                     memcpy(&rec_anc_signalpower[rec_nearbasepos+1],&rx_buffer[ANC_SIGNALPOWER],2);
 									memcpy(&nearbase_switchdistlist[rec_nearbasepos],&rx_buffer[NR_NEARSWITCH_DISTANCE],2);
+                                    if(temp_dist!=nearbase_distlist[rec_nearbasepos+1])
+                                    {
+                                        get_newdist++;
+                                    }
 									nearbase_distlist[rec_nearbasepos+1]=temp_dist;	//	nearbase_distlist[1]对应	rec_nearbaseid[0]的距离					
 									final_msg_set_ts(&tx_near_msg[FINAL_MSG_RESP_RX_NEARBASE_IDX+(rec_nearbasepos)*4], resp_rx_ts);
 									if(temp_dist<salvebase_mindist&&nearbase_switchdistlist[rec_nearbasepos]==1)
@@ -963,7 +1008,7 @@
 									  {
                                             mainbase_id = rec_nearbaseid;
                                             tag_state = GETNEARMSG;
-																						trygetnearmsg_times = 0;
+											trygetnearmsg_times = 0;
                                         }
                                     #endif
 
@@ -1004,7 +1049,7 @@
 			#endif
 			}else if(mainbase_lost_count>5*tag_frequency)
 			{
-				tag_state = STARTPOLL;
+			//	tag_state = DISCPOLL;
 			}	
 			if(mainbase_lost_count!=0)
 			{
@@ -1017,7 +1062,7 @@
 
 			if(para_update)
 			{
-			uint8_t pack_length = 0,pack_index = 0,pack_msgtype = 0;
+			
 				pack_msgtype = rec_remotepara[0];
 				pack_index = rec_remotepara[1];
 				pack_length = rec_remotepara[2];
@@ -1025,7 +1070,7 @@
 				{
 					if( pack_index == MOTOR_ONTIME_INDEX)
 					{
-                        if(motor_keeptime==0)
+                       // if(motor_keeptime==0)
                             motor_keeptime = rec_remotepara[3];
 					}else{
                         if(pack_index<200)
@@ -1040,6 +1085,16 @@
 					}
 				}
 			}
+            if(get_newdist>2)
+            {
+                notenoughdist_count = 0;
+            }else{
+                if(notenoughdist_count++>3)
+                {
+                    notenoughdist_count = 0;
+             //       tag_state = DISCPOLL;
+                }
+            }
 			for(i=0;i<nearbase_num;i++)
 			{
                 if(nearbaseid_list[i]!=nearbaseid_list2[i])
@@ -1049,6 +1104,7 @@
 									nearbaseid_list0[i]=1;
                 }
 			}
+        //    SendHuiZongData();
 	dwt_write32bitreg(SYS_STATUS_ID, SYS_STATUS_ALL_RX_ERR| SYS_STATUS_TXFRS |SYS_STATUS_RXFCG);
 //HAL_GPIO_WritePin(LED0_GPIO, GPIO_PIN_9, GPIO_PIN_RESET);
 
@@ -1134,7 +1190,7 @@
 									memcpy(nearbaseid_list,&rx_buffer[NEARBASEID_INDEX],nearbase_num*2);
 									memcpy(nearbaseid_list2,&rx_buffer[NEARBASEID_INDEX],nearbase_num*2);
 									if(tagslotpos!=255)
-									tag_state = NEARPOLL;
+									tag_state = DISCPOLL;
 								}
 							}
 }
@@ -1147,8 +1203,6 @@
 	//LED0_ON;
 	SPIx_CS_GPIO->BRR = SPIx_CS;
 	delay_us(700);
-   // GetPressAndHeight();
-   // intheight = Height*100;
 	SPIx_CS_GPIO->BSRR = SPIx_CS;
 	id =  dwt_readdevid() ;
 	    while (DWT_DEVICE_ID != id) 
@@ -1172,7 +1226,7 @@
 			break;
 		case DISCPOLL:
 			LED_LG_ON;		
-			Poll();
+			DiscPoll();
 			LED_LG_OFF;
 			break;
 		case GETNEARMSG:
@@ -1187,9 +1241,11 @@
 			break;
 		case NEARPOLL:	
 			NearPoll();
+			//GetPressAndHeight();
+			//intheight = Height*100;
 			break;
         case SINGLEPOLL:
-            Poll();
+          //  Poll();
             break;
 	}
      userkey_state = !GET_USERKEY;

--
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