From 8e69deaacad4737c0c31b0c6b436edbbe140584d Mon Sep 17 00:00:00 2001
From: zhyinch <zhyinch@gmail.com>
Date: 星期六, 10 十月 2020 15:03:16 +0800
Subject: [PATCH] 定位临近初测成功

---
 Src/application/dw_app.c |  659 +++++++++++++++++++++++++++++++++++++----------------------
 1 files changed, 415 insertions(+), 244 deletions(-)

diff --git a/Src/application/dw_app.c b/Src/application/dw_app.c
index a9679ed..2fe757e 100644
--- a/Src/application/dw_app.c
+++ b/Src/application/dw_app.c
@@ -47,13 +47,14 @@
 #define POLL_TX_TO_RESP_RX_DLY_UUS 150
 /* 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 850
+#define RESP_RX_TO_FINAL_TX_DLY_UUS 510
+
 /* Receive response timeout. See NOTE 5 below. */
 #define RESP_RX_TIMEOUT_UUS 600
 
-#define DELAY_BETWEEN_TWO_FRAME_UUS 240
+#define DELAY_BETWEEN_TWO_FRAME_UUS 400
 
-#define POLL_RX_TO_RESP_TX_DLY_UUS 420
+#define POLL_RX_TO_RESP_TX_DLY_UUS 470
 /* This is the delay from the end of the frame transmission to the enable of the receiver, as programmed for the DW1000's wait for response feature. */
 #define RESP_TX_TO_FINAL_RX_DLY_UUS 200
 /* Receive final timeout. See NOTE 5 below. */
@@ -74,7 +75,7 @@
 	DISCPOLL,
 	GETNEARMSG,
 	NEARPOLL,
-}tag_state;
+}tag_state=DISCPOLL;
 static dwt_config_t config = {
 	2,               /* Channel number. */
 	DWT_PRF_64M,     /* Pulse repetition frequency. */
@@ -91,7 +92,7 @@
 static uint8_t tx_sync_msg[14] = {0};
 static uint8_t tx_final_msg[60] = {0};
 static uint8_t tx_resp_msg[22] = {0};
-static uint8_t tx_near_msg[80] = {0};
+ uint8_t tx_near_msg[80] = {0};
 
 static uint32_t frame_seq_nb = 0;	
 static uint32_t status_reg = 0;
@@ -169,6 +170,7 @@
      * For initialisation, DW1000 clocks must be temporarily set to crystal speed. After initialisation SPI rate can be increased for optimum
      * performance. */
     Reset_DW1000();//重启DW1000 /* Target specific drive of RSTn line into DW1000 low for a period. */
+	Spi_ChangePrescaler(SPIx_PRESCALER_SLOW);	//设置为快速模式
     dwt_initialise(DWT_LOADUCODE);//初始化DW1000
 	Spi_ChangePrescaler(SPIx_PRESCALER_FAST);	//设置为快速模式
 
@@ -188,7 +190,7 @@
 void Dw1000_App_Init(void)
 {
 //g_com_map[DEV_ID] = 0x0b;
-	tag_state=DISCPOLL;
+	//tag_state=DISCPOLL;
 	tx_poll_msg[MESSAGE_TYPE_IDX]=POLL;
 	tx_resp_msg[MESSAGE_TYPE_IDX]=RESPONSE;
 	tx_final_msg[MESSAGE_TYPE_IDX]=FINAL;
@@ -236,9 +238,63 @@
 u16 anclist_num=0,anclist_pos; //list 总数量和当前位置
 u16 ancid_list[TAG_NUM_IN_SYS];
 u8 nearbase_num;
-u16 nearbaseid_list[10],mainbase_id;
-int32_t mainbase_dist,nearbase_distlist[10];
+u16 mainbase_id;
+int32_t mainbase_dist;
 uint8_t trygetnearmsg_times;
+u16 nearbaseid_list[MAX_NEARBASE_NUM],mainbase_id,true_nearbase_idlist[MAX_NEARBASE_NUM];
+u8 FindNearBasePos(u16 baseid)
+{
+	u8 i;
+	for(i=0;i<nearbase_num;i++)
+	{
+		if(baseid==nearbaseid_list[i])
+			return i;
+	}
+}
+u8 recbase_num=0;
+#define CHANGE_BASE_THRESHOLD  5
+uint8_t GetRandomValue(void)
+{
+	uint8_t random_value=0,temp_adc,i;
+	for(i=0;i<8;i++)
+	{
+		temp_adc=Get_ADC_Value();
+		random_value=random_value|((temp_adc&0x01)<<i);
+	}
+	return random_value;
+}
+u8 GetRandomSlotPos(uint32_t emptyslot)
+{
+	u8 i,temp_value;
+	temp_value = HAL_LPTIM_ReadCounter(&hlptim1);//GetRandomValue();
+	for(i=temp_value%32;i<max_slotpos;i++)
+	{
+		if(((emptyslot>>i)&0x1)==0)
+		{
+			return i;
+		}
+	}
+	
+		for(i=1;i<max_slotpos;i++)
+	{
+		if(((emptyslot>>i)&0x1)==0)
+		{
+			return i;
+		}
+	}
+return max_slotpos-1;
+}
+
+int32_t mainbase_dist,nearbase_distlist[MAX_NEARBASE_NUM],true_nearbase_distlist[MAX_NEARBASE_NUM],true_exsistbase_list[MAX_NEARBASE_NUM],ancsync_time,nextpoll_delaytime,offsettimeus;
+u8 anclost_times=0 , mainbase_lost_count=0;
+u8 exsistbase_list[MAX_NEARBASE_NUM],report_num,get_newbase=0;
+u8 flag_finalsend,flag_getresponse,flag_rxon;
+uint16_t current_count,start_count,end_count,lastsync_timer;
+
+u8 nearbase_num=0,last_nearbase_num,next_nearbase_num,last_slotnum, para_update,para_len,stationary_flag=0;
+u32 rec_tagpos_binary;
+int16_t offset=2700;
+u8 motor_state,rec_remotepara_state,rec_remotepara[80];
 void Poll(void)
 {
 	uint32_t frame_len;
@@ -249,8 +305,8 @@
     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;
-//	GPIO_WriteBit(GPIOA, GPIO_Pin_9, Bit_RESET);
-	for(i=0;i<g_com_map[MAX_REPORT_ANC_NUM];i++)
+	
+	for(i=0;i<3;i++)
 	{
 	/* Write frame data to DW1000 and prepare transmission. See NOTE 7 below. */
 	tx_poll_msg[ANC_TYPE_IDX] = i;	
@@ -260,7 +316,7 @@
 
 	/* We assume that the transmission is achieved correctly, poll for reception of a frame or error/timeout. See NOTE 8 below. */
 	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(status_reg==0xffffffff)
 	{
@@ -278,21 +334,18 @@
 			if(getsync_flag==0)
 			{
 				getsync_flag=1;
-			memcpy(&sync_timer,&rx_buffer[ANCTIMEMS],2);
-			memcpy(&tmp_time,&rx_buffer[ANCTIMEUS],2);
-			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;}
-			}
-//			TIM3->CNT=tmp_time;
-//			if(tagslotpos>max_slotpos)
-//				tagslotpos=tagslotpos%(max_slotpos+1);
-//				tyncpoll_time=(tagslotpos-1)*slottime;
+									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;}
+									}
 		}
 			
 			memcpy(&temp_dist, &rx_buffer[DIST_IDX], 4);
@@ -310,7 +363,11 @@
 			tag_succ_times++;		
 				LED0_BLINK;
 			
-			if(temp_dist<mindist)
+						tagslotpos=GetRandomSlotPos(rec_tagpos_binary);
+				tyncpoll_time = (tagslotpos--%max_slotpos)*slottime;	
+				SetNextPollTime(tyncpoll_time);
+		
+			if(temp_dist<mindist&&temp_dist!=0)
 			{
 				memcpy(&minid, &rx_buffer[ANCHOR_ID_IDX], 4);
 				tag_state=GETNEARMSG;
@@ -347,217 +404,12 @@
 	}
 	mainbase_id=minid;
 }
-
-u8 FindNearBasePos(u16 baseid)
-{
-	u8 i;
-	for(i=0;i<nearbase_num;i++)
-	{
-		if(baseid==nearbaseid_list[i])
-			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<recbase_num-1;i++)
-	{
-		if(nearbase_mindist>nearbase_distlist[i])
-		{
-			nearbase_mindist=nearbase_distlist[i];
-			nearbase_minpos=i;
-		}
-	}
-	if(nearbase_mindist<mainbase_dist-THRESHOLD_CHANGE_MAINBASE_DIST)
-	{
-		if(last_mainbase_id==nearbaseid_list[nearbase_minpos])
-		{
-			change_base_count++;
-			if(change_base_count>CHANGE_BASE_THRESHOLD)
-			{
-				mainbase_id=last_mainbase_id;
-				tag_state=GETNEARMSG;
-			}
-		}else{
-			change_base_count=0;
-		}
-		last_mainbase_id=nearbaseid_list[nearbase_minpos];		
-	}else{
-		change_base_count=0;
-	}
-}
-u8 anclost_times=0;
-uint16_t current_count,start_count,end_count;
-void NearPoll(void)
-{
-	static u8 mainbase_lost_count=0,flag_finalsend;
-	uint32_t temp1,temp2,dw_systime;
-	uint32_t frame_len;
-	uint32_t final_tx_time;
-	u32 start_poll;
-	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;
-	tx_near_msg[BATTARY_IDX] = Get_Battary();
-	//tx_near_msg[BUTTON_IDX] = !READ_KEY0;
-	tx_near_msg[SEQUENCE_IDX] = frame_seq_nb++;
-	tx_near_msg[NEARBASENUM_INDEX] = nearbase_num;
-	memcpy(&tx_near_msg[NEARBASEID_INDEX],&nearbaseid_list,nearbase_num*2);
-	tx_near_msg[MESSAGE_TYPE_IDX] = NEAR_POLL;	
-	memcpy(&tx_near_msg[ANCHOR_ID_IDX],&mainbase_id,2);	
-	dwt_writetxdata(13+2*nearbase_num, tx_near_msg, 0);//将Poll包数据传给DW1000,将在开启发送时传出去
-	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;
-	start_count=HAL_LPTIM_ReadCounter(&hlptim1);
-	recbase_num=0;
-	timeout=ceil((float)nearbase_num/4)+2;
-	end_count=start_count+(timeout<<5);
-	if(end_count>=32768)
-	{end_count-=32768;}
-	mainbase_dist=100000;
-	mainbase_lost_count++;
-			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)
-							{
-								flag_finalsend=0;
-								dwt_forcetrxoff();
-								dwt_setdelayedtrxtime(final_tx_time);
-								result=dwt_starttx(DWT_START_TX_DELAYED);//设定为延迟发送	
-								break;
-							}
-						}
-						 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)) //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(rec_nearbaseid==mainbase_id)
-								{
-									//////////////////////////////////时间同步
-									memcpy(&sync_timer,&rx_buffer[ANCTIMEMS],2);
-									memcpy(&tmp_time,&rx_buffer[ANCTIMEUS],2);
-//									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;}
-									}
-								//	TIM3->CNT=tmp_time;
-//									if(tagslotpos>max_slotpos)
-//										tagslotpos=tagslotpos%(max_slotpos+1);
-//										tyncpoll_time=(tagslotpos-1)*slottime;
-									////////////////////////////
-									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-((350*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) + 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_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;
-									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);
-									final_msg_set_ts(&tx_near_msg[FINAL_MSG_RESP_RX_NEARBASE_IDX+(rec_nearbasepos+1)*4], resp_rx_ts);								
-									memcpy(&nearbase_distlist[rec_nearbasepos],&rx_buffer[DIST_IDX],4);
-									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			
-									//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
-								}								
-							}
-						}			
-						dwt_write32bitreg(SYS_STATUS_ID,SYS_STATUS_RXFCG| SYS_STATUS_ALL_RX_ERR);
-						current_count=HAL_LPTIM_ReadCounter(&hlptim1);
-			}
-			if(mainbase_lost_count>5)
-			{
-				tag_state=DISCPOLL;
-			}
-			NearAncSelect();
-			if(recbase_num<MIN_ANCHOR_NUM )
-			{
-				anclost_times++;
-				if(anclost_times>3)
-				{
-					tagslotpos=poll_tx_ts%(max_slotpos+1);
-				}
-			}else{
-				anclost_times=0;
-			}
-
-	dwt_write32bitreg(SYS_STATUS_ID, SYS_STATUS_ALL_RX_ERR);
-
-
-}
-
+u8 nearmsg_mainbase=0,rec_tagpos_emptylist[32],mainbase_type;;
 void GetNearMsg(void)
 {
 	u32 start_poll,frame_len;
+
+
 	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;
@@ -584,32 +436,350 @@
 		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
 		{
 			nearbase_num=rx_buffer[NEARBASENUM_INDEX];
-			tagslotpos=rx_buffer[TAGSLOTPOS];
+			memcpy(&rec_tagpos_binary,&rx_buffer[NEARMSG_EMPTYSLOTPOS_INDEX],4);
+			tagslotpos=GetRandomSlotPos(rec_tagpos_binary);
+			//tagslotpos=rx_buffer[TAGSLOTPOS];
 			memcpy(nearbaseid_list,&rx_buffer[NEARBASEID_INDEX],nearbase_num*2);
-			slottime=ceil((nearbase_num+2)*0.3)+1;
+			//slottime=ceil((nearbase_num+2)*0.3)+1;
 			tyncpoll_time=tagslotpos*slottime;
 			tag_state=NEARPOLL;
 		}
+	}else{
+			tyncpoll_time = (tagslotpos--%max_slotpos)*slottime;
 	}
+}
+void NearPoll(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;
+    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;
+		//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;
+	
+	tx_near_msg[BATTARY_IDX] = bat_percent;
+	tx_near_msg[BUTTON_IDX] = !GET_USERKEY|stationary_flag<<1;
+	tx_near_msg[SEQUENCE_IDX] = frame_seq_nb++;
+	tx_near_msg[NEARBASENUM_INDEX] = nearbase_num;
+	memcpy(&tx_near_msg[NEARBASEID_INDEX],&nearbaseid_list,nearbase_num*2);
+	tx_near_msg[MESSAGE_TYPE_IDX] = NEAR_POLL;	
+	memcpy(&tx_near_msg[ANCHOR_ID_IDX],&mainbase_id,2);	
+	dwt_writetxdata(13+2*nearbase_num, tx_near_msg, 0);//将Poll包数据传给DW1000,将在开启发送时传出去
+	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
+	
+	tx_near_msg[TAGCONFIGSUCCESS_INDEX] =0;
+	para_update = 0;
+	flag_finalsend=0;
+	flag_rxon=1;
+	flag_getresponse=0;
+	start_count=HAL_LPTIM_ReadCounter(&hlptim1);
+	recbase_num=0;
+	timeout=ceil((float)nearbase_num*SLOT_SCALE)+3;
+	end_count=start_count+(timeout<<5);
+	if(end_count>=32768)
+	{end_count-=32768;}
+	mainbase_dist=100000;
+	mainbase_lost_count++;
+	current_count=HAL_LPTIM_ReadCounter(&hlptim1);
+			while(current_count<end_count||current_count>end_count+15000)
+			{
+				current_count=HAL_LPTIM_ReadCounter(&hlptim1);
+					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)) //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
+									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;}
+									}
+								//	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) + 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_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;
+									if(rec_remotepara_state&&!memcmp(&rx_buffer[TAG_ID_IDX],&dev_id,2))
+									{
+										para_update = 1;
+										tx_near_msg[TAGCONFIGSUCCESS_INDEX] = 1;
+										para_len = frame_len-22;
+										memcpy(rec_remotepara,&rx_buffer[REMOTEPARA_INDEX],para_len);
+									}
+									
+									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;
+									memcpy(&rec_tagpos_binary,&rx_buffer[NEARMSG_EMPTYSLOTPOS_INDEX],4);
+									
+								
+									//时间同步
+									ancsync_time=((sync_timer)*1000+tmp_time);	
+									last_slotnum=current_slotnum;
+									current_slotnum=((float)sync_timer/g_com_map[COM_INTERVAL])+1;
+									if(current_slotnum==last_slotnum-1)
+									{flag_getresponse=1;}
+									lastsync_timer=sync_timer;
+									offsettimeus=ancsync_time-current_count*LPTIMER_LSB+offset;
+									SetNextPollTime(tyncpoll_time);
+
+									
+								//	count_offset=sync_count-current_count-143;
+								//	current_slottimes=(ancsync_time-10000)/(g_com_map[COM_INTERVAL]*1000);
+								//	nextpoll_delaytime=tyncpoll_time*1000+g_com_map[COM_INTERVAL]*1000-((ancsync_time)%(g_com_map[COM_INTERVAL]*1000))-4300;
+//									if(abs(ancsync_time-910000)<1000)
+//									{
+//									nextpoll_delaytime+=10000;
+//									}		
+//									if(nextpoll_delaytime<2000)
+//									{
+//										nextpoll_delaytime+=g_com_map[COM_INTERVAL]*1000;
+//									}
+//									lastpoll_count= current_count+(nextpoll_delaytime)/LPTIMER_LSB;
+//									if(lastpoll_count>LPTIMER_1S_COUNT)
+//										lastpoll_count-=LPTIMER_1S_COUNT;
+//									__HAL_LPTIM_COMPARE_SET(&hlptim1, lastpoll_count);
+			/////////////////////////////////////////
+//									dwt_setdelayedtrxtime(final_tx_time);
+//								result=dwt_starttx(DWT_START_TX_DELAYED);//设定为延迟发送	
+								}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];
+									}
+								if(rec_remotepara_state&&!memcmp(&rx_buffer[TAG_ID_IDX],&dev_id,2))
+									{
+										para_update = 1;
+										tx_near_msg[TAGCONFIGSUCCESS_INDEX] = 1;
+										para_len = frame_len-22;
+										memcpy(rec_remotepara,&rx_buffer[REMOTEPARA_INDEX],para_len);
+									}
+									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);
+						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++)
+//				{
+//					temp_adc=Get_ADC_Value();
+//					random_value=random_value|((temp_adc&0x01)<<i);
+//				}
+				tagslotpos=GetRandomSlotPos(rec_tagpos_binary);
+				tyncpoll_time = (tagslotpos--%max_slotpos)*slottime;	
+				SetNextPollTime(tyncpoll_time);
+			}
+		//	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]==0xa)
+				{
+					memcpy(&usart_send[4+6*report_num],&nearbaseid_list[i],2);
+					memcpy(&usart_send[6+6*report_num],&nearbase_distlist[i],4);
+					report_num++;
+				}
+			}
+			for(i=0;i<MAX_NEARBASE_NUM;i++)
+			{
+				nearbase_distlist[i]=0x1ffff;
+			}
+			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];
+				if(pack_msgtype==2)
+				{
+						memcpy((uint8_t*)&g_com_map + pack_index, &rec_remotepara[3], pack_length);
+					//返回一个error状态
+					//SendComMap(pack_datalen,pack_index);
+					save_com_map_to_flash();
+					delay_ms(100);
+					NVIC_SystemReset();
+				}
+			}
+	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);
+
 }
 
 void Tag_App(void)//发送模式(TAG标签)
 {
+	u32 id;
 	//LED0_ON;
-	dwt_forcetrxoff();
+	id =  dwt_readdevid() ;
+	    while (DWT_DEVICE_ID != id) 
+    {
+			id =  dwt_readdevid() ;
+    }
+
 	g_Resttimer=0;
+//	tag_state=DISCPOLL;
 	switch(tag_state)
 	{
 		case DISCPOLL:
 			Poll();
 			break;
 		case GETNEARMSG:
-		//	if(trygetnearmsg_times--!=0)
-			{GetNearMsg();
-			}
-//			else{
-//				tag_state=DISCPOLL;
-//			}
+
+				GetNearMsg();
 	 
 			break;
 		case NEARPOLL:
@@ -618,4 +788,5 @@
 			//GPIO_WriteBit(EU_TX_GPIO, EU_RX_PIN, Bit_RESET);
 			break;
 	}
+	dwt_entersleep();
 }

--
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