From dca85b651a942c826f1b29ac08d7e65d33cebb93 Mon Sep 17 00:00:00 2001
From: zhyinch <zhyinch@gmail.com>
Date: 星期四, 22 十月 2020 12:02:16 +0800
Subject: [PATCH] 可以读取气压温度

---
 Src/application/dw_app.c |  313 +++++++++++++++++++++++++++++++++------------------
 1 files changed, 200 insertions(+), 113 deletions(-)

diff --git a/Src/application/dw_app.c b/Src/application/dw_app.c
index 2abebf4..3aca82a 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 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 410
+#define RESP_RX_TO_FINAL_TX_DLY_UUS 510
 
 /* Receive response timeout. See NOTE 5 below. */
 #define RESP_RX_TIMEOUT_UUS 600
@@ -75,7 +75,7 @@
 	DISCPOLL,
 	GETNEARMSG,
 	NEARPOLL,
-}tag_state=GETNEARMSG;
+}tag_state=DISCPOLL;
 static dwt_config_t config = {
 	2,               /* Channel number. */
 	DWT_PRF_64M,     /* Pulse repetition frequency. */
@@ -295,6 +295,160 @@
 u32 rec_tagpos_binary;
 int16_t offset=2700;
 u8 motor_state,rec_remotepara_state,rec_remotepara[80];
+void Poll(void)
+{
+	uint32_t frame_len;
+	uint32_t final_tx_time;
+	u32 start_poll;
+	int32_t mindist=999999,minid=-1,temp_dist;
+	u8 i,getsync_flag=0;
+    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;
+	
+	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;	
+	dwt_writetxdata(sizeof(tx_poll_msg), tx_poll_msg, 0);//将Poll包数据传给DW1000,将在开启发送时传出去
+	dwt_writetxfctrl(sizeof(tx_poll_msg), 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
+
+	/* 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)
+	{
+		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
+		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(&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);
+			memcpy(&tx_final_msg[ANCHOR_ID_IDX], &rx_buffer[ANCHOR_ID_IDX], 4);
+			/* 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
+			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
+			result=dwt_starttx(DWT_START_TX_DELAYED);//设定为延迟发送			
+			tag_succ_times++;		
+				LED0_BLINK;
+			
+						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;
+				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
+			{ };
+		}
+			/* Clear TXFRS event. */
+			dwt_write32bitreg(SYS_STATUS_ID, SYS_STATUS_TXFRS);//清除标志位
+			random_delay_tim = 0;
+		}
+		else
+		{
+			random_delay_tim = DFT_RAND_DLY_TIM_MS; //如果通讯失败,将间隔时间增加5ms,避开因为多标签同时发送引起的冲突。
+		}
+	}
+	else
+	{
+	dwt_write32bitreg(SYS_STATUS_ID, SYS_STATUS_ALL_RX_ERR);
+		random_delay_tim = DFT_RAND_DLY_TIM_MS;
+	}
+}
+	if(getsync_flag==0)
+	{
+	tagslotpos--;
+			if(tagslotpos==0||tagslotpos>max_slotpos)
+		{		
+			tagslotpos=max_slotpos;	
+		}
+		tyncpoll_time=(tagslotpos-1)*slottime;
+	}
+	mainbase_id=minid;
+}
+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;
+	
+	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);	
+	dwt_writetxdata(12, tx_near_msg, 0);//将Poll包数据传给DW1000,将在开启发送时传出去
+	dwt_writetxfctrl(12, 0);//设置超宽带发送数据长度
+	dwt_starttx(DWT_START_TX_IMMEDIATE| DWT_RESPONSE_EXPECTED);
+
+	/* 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)
+	{
+		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
+		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];
+			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;
+			tyncpoll_time=tagslotpos*slottime;
+			tag_state=NEARPOLL;
+		}
+	}else{
+			tyncpoll_time = (tagslotpos--%max_slotpos)*slottime;
+	}
+}
+uint8_t changemainbase_count=0;
 void NearPoll(void)
 {
 	
@@ -312,8 +466,7 @@
 		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;
 	
@@ -382,14 +535,7 @@
 								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])
+								if(rec_nearbaseid==mainbase_id)
 								{
 									//////////////////////////////////时间同步
 									memcpy(&sync_timer,&rx_buffer[ANCTIMEMS],2);
@@ -409,10 +555,9 @@
 //										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;
+									mainbase_dist=temp_dist;
 									if((rx_buffer[MOTORSTATE_INDEX]&0xf)!=3)
 										motor_state=rx_buffer[MOTORSTATE_INDEX]&0xf;
 									rec_remotepara_state=rx_buffer[MOTORSTATE_INDEX]>>4;
@@ -453,35 +598,9 @@
 									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);
@@ -498,15 +617,10 @@
 										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);								
+									final_msg_set_ts(&tx_near_msg[FINAL_MSG_RESP_RX_NEARBASE_IDX+(rec_nearbasepos+1)*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);
@@ -517,7 +631,7 @@
 					//	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)
 			{
@@ -534,7 +648,7 @@
 			}
 		//	tyncpoll_time=0;
 			next_nearbase_num=0;
-			for(i=0;i<last_nearbase_num+get_newbase;i++)
+			for(i=0;i<nearbase_num;i++)
 			{
 				if(exsistbase_list[i]>0)
 				{		
@@ -569,19 +683,34 @@
 					}			
 				}
 			}
-			
-			report_num=0;
-	for (i=0;i<last_nearbase_num;i++)
+			if(true_nearbase_distlist[0]<mainbase_dist-THRESHOLD_CHANGE_MAINBASE_DIST)
 			{
-				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++;
-				}
+				changemainbase_count++;		
+			}else{
+				changemainbase_count = 0;
 			}
+			if(changemainbase_count>3)
+			{
+				mainbase_id = true_nearbase_idlist[0];
+				tag_state = GETNEARMSG;
+			}
+			if(mainbase_lost_count>3)
+			{
+				tag_state = DISCPOLL;
+			}
+//串口输出距离			
+//			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;
@@ -606,53 +735,6 @@
 HAL_GPIO_WritePin(LED0_GPIO, GPIO_PIN_9, GPIO_PIN_RESET);
 
 }
-u8 nearmsg_mainbase=0,rec_tagpos_emptylist[32];
-void GetNearMsg(void)
-{
-	u32 start_poll,frame_len;
-if(nearmsg_mainbase)
-	{nearmsg_mainbase=0;
-	}else{
-	nearmsg_mainbase=1;
-	}
-	memcpy(&tx_near_msg[ANCHOR_ID_IDX],&nearmsg_mainbase,2);
-	memcpy(&tx_near_msg[TAG_ID_IDX],&dev_id,2);
-	tx_near_msg[MESSAGE_TYPE_IDX] = NEAR_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
-  dwt_setrxtimeout(RESP_RX_TIMEOUT_UUS);	
-	dwt_writetxdata(12, tx_near_msg, 0);//将Poll包数据传给DW1000,将在开启发送时传出去
-	dwt_writetxfctrl(12, 0);//设置超宽带发送数据长度
-	dwt_starttx(DWT_START_TX_IMMEDIATE| DWT_RESPONSE_EXPECTED);
-
-	/* 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)
-	{
-		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
-		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];
-			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;
-			tyncpoll_time=tagslotpos*slottime;
-			tag_state=NEARPOLL;
-		}
-	}else{
-			tyncpoll_time = (tagslotpos--%max_slotpos)*slottime;
-	}
-}
 
 void Tag_App(void)//发送模式(TAG标签)
 {
@@ -669,12 +751,17 @@
 	switch(tag_state)
 	{
 		case DISCPOLL:
-		//	Poll();
+			Poll();
 			break;
 		case GETNEARMSG:
-
-				GetNearMsg();
-	 
+			trygetnearmsg_times--;	
+			LED_LG_ON;		
+				GetNearMsg();	 
+		LED_LG_OFF;
+		if(trygetnearmsg_times==0)
+		{
+			tag_state = DISCPOLL;
+		}
 			break;
 		case NEARPOLL:
 			//GPIO_WriteBit(EU_TX_GPIO, EU_RX_PIN, Bit_SET);

--
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