From a5e16e925923fa444276ca51f0e7c0cbbe07a96c Mon Sep 17 00:00:00 2001
From: yincheng.zhong <634916154@qq.com>
Date: 星期六, 27 五月 2023 15:51:54 +0800
Subject: [PATCH] V1.58 香港机场测试,有BUG

---
 Src/application/dw_app.c |  337 +++++++++++++++++++++++++++++++++----------------------
 1 files changed, 200 insertions(+), 137 deletions(-)

diff --git a/Src/application/dw_app.c b/Src/application/dw_app.c
index 600566f..7c6eb1f 100644
--- a/Src/application/dw_app.c
+++ b/Src/application/dw_app.c
@@ -29,6 +29,7 @@
 #include <stdio.h>
 #include "beep.h"
 #include "modbus.h"
+#include "CRC.h"
 
 //#define USART_INTEGRATE_OUTPUT
 /*------------------------------------ Marcos ------------------------------------------*/
@@ -69,14 +70,6 @@
 #define FINAL_MSG_RESP_RX_TS_IDX 14
 #define FINAL_MSG_FINAL_TX_TS_IDX 18
 #define FINAL_MSG_TS_LEN 4
-
-
-enum enumtagstate
-{
-	DISCPOLL,
-	GETNEARMSG,
-	NEARPOLL,
-}tag_state=NEARPOLL;
 static dwt_config_t config = {
 	5,               /* Channel number. */
 	DWT_PRF_64M,     /* Pulse repetition frequency. */
@@ -104,7 +97,6 @@
 static uint64_t poll_rx_ts;
 static uint64_t resp_tx_ts;
 static uint64_t final_rx_ts;
-static double tof;
 int32_t anchor_dist_last_frm[TAG_NUM_IN_SYS],his_dist[TAG_NUM_IN_SYS];	;	
 uint32_t tag_id = 0;
 uint32_t tag_id_recv = 0;
@@ -295,8 +287,72 @@
 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 current_freq,rec_freq;
 u8 motor_state,rec_remotepara_state,rec_remotepara[80];
 extern u16 last_lpcount;
+float freqlost_count = 0;
+void TagFreqProcess(u8 freq)
+{
+    if(freq>MAX_ANCFREQ||freq==0)
+    {
+        return;
+    }
+    if(freq==tag_frequency||freq>tag_frequency)
+    {
+        tag_frequency = freq;
+        freqlost_count = 0;
+    }
+}
+#define FREQ_OFFSET_MULTIPLIER          (998.4e6/2.0/1024.0/131072.0)
+#define FREQ_OFFSET_MULTIPLIER_110KB    (998.4e6/2.0/8192.0/131072.0)
+
+#define HERTZ_TO_PPM_MULTIPLIER_CHAN_1     (-1.0e6/3494.4e6)
+#define HERTZ_TO_PPM_MULTIPLIER_CHAN_2     (-1.0e6/3993.6e6)
+#define HERTZ_TO_PPM_MULTIPLIER_CHAN_3     (-1.0e6/4492.8e6)
+#define HERTZ_TO_PPM_MULTIPLIER_CHAN_5     (-1.0e6/6489.6e6)
+u16 rec_maxrangelen;//rec_anc_signalpower[MAX_NEARBASE_ANCNUM];
+float clockOffsetRatio;
+double rtd_init, rtd_resp;
+double tof,distance;
+extern int32_t dwt_readcarrierintegrator(void) ;
+uint32_t testtimer2,anc_pollrx[MAX_NEARBASE_NUM],anc_resptx[MAX_NEARBASE_NUM],tag_resprx[MAX_NEARBASE_NUM];
+int32_t anc_clockoffset[MAX_NEARBASE_NUM];
+int16_t anc_distoffset[MAX_NEARBASE_NUM];
+int32_t test2;
+uint16_t u16_nearbase_distlist[MAX_NEARBASE_NUM];
+uint8_t get_newdist,notenoughdist_count;
+void SetANCTimestap(uint8_t i,uint8_t* pollrx,uint8_t* resptx,uint32_t resprx,uint8_t* distoffset)
+{
+    memcpy(&anc_pollrx[i],pollrx,4);
+    memcpy(&anc_resptx[i],resptx,4);
+    memcpy(&tag_resprx[i],&resprx,4);
+    memcpy(&anc_distoffset[i],distoffset,2);
+    anc_clockoffset[i] = test2;
+}
+void CalculateDists(void)
+{
+    for(int i=0;i<MAX_NEARBASE_NUM;i++)
+    {
+        //rec_anc_signalpower[i] = exsistbase_list[i];
+      if(exsistbase_list[i]==KEEP_TIMES)
+      {
+
+         // exsistbase_list[i]--;
+          clockOffsetRatio = anc_clockoffset[i] * (FREQ_OFFSET_MULTIPLIER * HERTZ_TO_PPM_MULTIPLIER_CHAN_5 / 1.0e6) ;
+          rtd_init = tag_resprx[i] - poll_tx_ts;
+          rtd_resp = anc_resptx[i] - anc_pollrx[i];
+          tof = ((rtd_init - rtd_resp * (1 - clockOffsetRatio)) / 2.0) * DWT_TIME_UNITS;
+          distance = tof * SPEED_OF_LIGHT;
+          if(distance>-10&&distance<1000)
+            nearbase_distlist[i] = distance*100+anc_distoffset[i];
+      }else{
+         // nearbase_distlist[i] = 0x1ffff;
+      }
+    
+    }
+}
+float range_lost_time = 0;
+u16 rec_nearbaseid,rec_nearbasepos;
 void NearPoll(void)
 {
 	
@@ -304,41 +360,47 @@
 	uint32_t frame_len;
 	uint32_t final_tx_time;
 	u32 start_poll;
-	u8 i,j,getsync_flag=0,timeout;
+	u8 i,j,getsync_flag=0,timeout,flag_ancreadpara=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(10000);		
+    dwt_setrxtimeout(0);		
 	tag_succ_times = 0;
 		//GPIO_WriteBit(GPIOA, GPIO_Pin_10, Bit_SET);
-	if(next_nearbase_num>=MAX_NEARBASE_NUM)
+	if(nearbase_num>=MAX_NEARBASE_NUM)
 	{
-		next_nearbase_num = MAX_NEARBASE_NUM-1;
+		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;
+//	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;
+    for(uint8_t i=0;i<nearbase_num;i++)
+    {
+        u16_nearbase_distlist[i] = nearbase_distlist[i];
+    }
 	tx_near_msg[GROUP_ID_IDX] = group_id;
 	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[NEARBASEID_INDEX+nearbase_num*2],&u16_nearbase_distlist,nearbase_num*2);
+	tx_near_msg[MESSAGE_TYPE_IDX] = MBX_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_writetxdata(13+4*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+4*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;
+    get_newbase = 0;
 	flag_finalsend=0;
 	flag_rxon=1;
 	flag_getresponse=0;
 	start_count=HAL_LPTIM_ReadCounter(&hlptim1);
 	recbase_num=0;
-	timeout=nearbase_num*SLOT_SCALE+4;
-	end_count=start_count+(timeout<<5);
+	timeout=nearbase_num*SLOT_SCALE+10;
+	end_count=start_count+(timeout<<2);
 	if(end_count>=32768)
 	{end_count-=32768;}
 	mainbase_dist=100000;
@@ -349,7 +411,7 @@
 				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)
+						if(flag_finalsend&&flag_ancreadpara)
 						{
 							dw_systime=dwt_readsystimestamphi32();
 							if(dw_systime>temp1&&dw_systime<temp2)
@@ -357,8 +419,19 @@
 								
 								dwt_forcetrxoff();
 								flag_rxon=0;
+                                if(flag_ancreadpara)
+                                {
+                                    u16 calCRC;
+                                  tx_near_msg[MESSAGE_TYPE_IDX] = MBX_PRAAREPLY;  
+                                  memcpy(&tx_near_msg[MESSAGE_PARAREPLY_IDX],g_com_map,SENDANCPARA_LEN);
+                                  calCRC = CRC_Compute((uint8_t*)g_com_map,SENDANCPARA_LEN);
+                                  memcpy(&tx_near_msg[MESSAGE_PARAREPLY_IDX+SENDANCPARA_LEN],&calCRC,2);
+                                  dwt_writetxdata(14+SENDANCPARA_LEN, tx_near_msg, 0);//将发送数据写入DW1000
+                                  dwt_writetxfctrl(14+SENDANCPARA_LEN, 0);//设定发送数据长度
+                                
 								dwt_setdelayedtrxtime(final_tx_time);
 								result=dwt_starttx(DWT_START_TX_DELAYED);//设定为延迟发送	
+                                }
 								flag_finalsend=0;
 								break;
 							}
@@ -376,14 +449,26 @@
 							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
+                            test2 = dwt_readcarrierintegrator();
 							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;
+							if (rx_buffer[MESSAGE_TYPE_IDX] == MBX_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
+							{	
 								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);
+                                rec_remotepara_state = rx_buffer[MOTORSTATE_INDEX]>>4;
+                                TagFreqProcess(rx_buffer[TAGFREQ_IDX]);
+                                if(rec_remotepara_state != 0)
+                                {   
+                                    para_update = rec_remotepara_state;
+                                    memcpy(rec_remotepara,&rx_buffer[REMOTEPARA_INDEX],7);
+                                    if(para_update==2)
+                                    {
+                                        flag_ancreadpara = 1;                                     
+                                    }
+                                }
 								if(last_nearbase_num==0)
 								{
 									get_newbase=1;
@@ -393,6 +478,9 @@
 								}
 								if(rec_nearbaseid==nearbaseid_list[0])
 								{
+                                     exsistbase_list[0]=KEEP_TIMES;
+                                   SetANCTimestap(0,&rx_buffer[RESP_MSG_POLL_RX_TS_IDX],&rx_buffer[RESP_MSG_RESP_TX_TS_IDX],resp_rx_ts,&rx_buffer[RESP_MSG_ANC_DISTOFFSET]);
+
 									//////////////////////////////////时间同步
 									memcpy(&sync_timer,&rx_buffer[ANCTIMEMS],2);
 									memcpy(&tmp_time,&rx_buffer[ANCTIMEUS],2);
@@ -413,11 +501,10 @@
 									////////////////////////////
 									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;
@@ -430,7 +517,7 @@
 									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], 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]=MBX_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
@@ -440,13 +527,13 @@
 									
 								
 									//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;
+//									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);
 //									if(rec_remotepara_state==1)
 //									{
@@ -461,8 +548,9 @@
 //									} 
 								}else{
 									rec_nearbasepos=FindNearBasePos(rec_nearbaseid);
-									
-										if(rec_nearbasepos>=last_nearbase_num)          //发现新的基站
+									SetANCTimestap(rec_nearbasepos,&rx_buffer[RESP_MSG_POLL_RX_TS_IDX],&rx_buffer[RESP_MSG_RESP_TX_TS_IDX],resp_rx_ts,&rx_buffer[RESP_MSG_ANC_DISTOFFSET]);
+
+									if(rec_nearbasepos>=last_nearbase_num)          //发现新的基站
 									{
 										get_newbase=1;
 										nearbase_num++;
@@ -471,14 +559,14 @@
 									}
 									
 									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);								
+									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
 								
@@ -496,23 +584,24 @@
 						}			
 					//	dwt_write32bitreg(SYS_STATUS_ID,SYS_STATUS_RXFCG| SYS_STATUS_ALL_RX_ERR);
 			}
-			if(mainbase_lost_count>tag_frequency*BASELOST_STOPMOTOR_TIME)
-			{motor_state=0; }
+            dwt_forcetrxoff();
             dwt_write32bitreg(SYS_STATUS_ID,SYS_STATUS_RXFCG| SYS_STATUS_ALL_RX_ERR);
-            nearbase_num=recbase_num;
-		//	tyncpoll_time=0;
-			next_nearbase_num=0;
-			for(i=0;i<last_nearbase_num+get_newbase;i++)
+            CalculateDists();
+            j = 0;
+            next_nearbase_num = 0;
+			for(i=0;i<nearbase_num;i++)
 			{
 				if(exsistbase_list[i]>0)
-				{		
+				{	
+                    exsistbase_list[i]--;	
 					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]--;
+					
 				}
 			}
+            nearbase_num = next_nearbase_num;
             if(mainbase_lost_count>1&&exsistbase_list[0] != 0)
 			{
                 last_lpcount+= HAL_LPTIM_ReadCounter(&hlptim1)%(g_com_map[COM_INTERVAL]*16);
@@ -540,112 +629,86 @@
 			}
 			
 			report_num=0;
+//            if(last_nearbase_num>4)
+//            {
+//                last_nearbase_num = 5;
+//            }
 	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++;
-				}
+                exsistbase_list[i] = true_exsistbase_list[i];
 			}
-            #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
+//            #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
             
-			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);
-HAL_GPIO_WritePin(LED0_GPIO, GPIO_PIN_9, GPIO_PIN_RESET);
-
+//HAL_GPIO_WritePin(LED0_GPIO, GPIO_PIN_9, GPIO_PIN_RESET);
+            
+if(para_update==1)
+    {   
+        uint16_t calCRC;
+        calCRC = CRC_Compute(rec_remotepara,5);
+        if(memcmp(&calCRC,&rec_remotepara[5],2)==0)
+        {   uint8_t pack_msgtype,pack_index,pack_length;
+            pack_msgtype = rec_remotepara[0];
+            pack_index = rec_remotepara[1];
+            pack_length = rec_remotepara[2];
+            if(pack_msgtype==2)
+            {
+                if( pack_index == 1)//MOTOR_ONTIME_INDEX)
+                {
+               
+               //     motor_keeptime = rec_remotepara[3];
+                }else if(pack_index == CNT_UPDATE)
+								{
+										if(rec_remotepara[3]==2)
+										{
+											 	EnterUWBUpdateMode();
+										}
+								}								
+									else{
+                    if(pack_index<200)
+                    {
+                        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();
+                    }
+                }
+            }
+        }
+    }
 }
-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[GROUP_ID_IDX] = group_id;
-	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;
-	}
-}
 u32 id;
 void Tag_App(void)//发送模式(TAG标签)
 {
 	
 	//LED0_ON;
 	id =  dwt_readdevid() ;
-	    while (DWT_DEVICE_ID != id) 
+	while (DWT_DEVICE_ID != id) 
     {
-			id =  dwt_readdevid() ;
+        u8 iderror_count = 0;
+        id =  dwt_readdevid() ;
+        if(iderror_count++>100)
+        {
+            printf("UWB芯片ID错误");
+            break;
+        }
     }
-
+    delay_us(100);
 	g_Resttimer=0;
-//	tag_state=DISCPOLL;
-	switch(tag_state)
-	{
-		case DISCPOLL:
-		//	Poll();
-			break;
-		case GETNEARMSG:
-
-				GetNearMsg();
-	 
-			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;
-	}
-    bat_percent=Get_VDDVlotage();
+	NearPoll();
 	dwt_entersleep();
+    bat_percent=Get_VDDVlotage();
 }

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