From 1f9d76141788c51f8fb893c9fbf8f63a21ca30ed Mon Sep 17 00:00:00 2001
From: zhyinch <zhyinch@gmail.com>
Date: 星期一, 21 六月 2021 16:04:14 +0800
Subject: [PATCH] 1.50 SFD模式修改

---
 源码/核心板/Src/application/dw_app.c |   90 +++++++++++++++++++++++++++++++++------------
 1 files changed, 66 insertions(+), 24 deletions(-)

diff --git "a/\346\272\220\347\240\201/\346\240\270\345\277\203\346\235\277/Src/application/dw_app.c" "b/\346\272\220\347\240\201/\346\240\270\345\277\203\346\235\277/Src/application/dw_app.c"
index 3428592..d0382df 100644
--- "a/\346\272\220\347\240\201/\346\240\270\345\277\203\346\235\277/Src/application/dw_app.c"
+++ "b/\346\272\220\347\240\201/\346\240\270\345\277\203\346\235\277/Src/application/dw_app.c"
@@ -1,5 +1,6 @@
 #include "dw_app.h"
 #include "ADC.h"
+//#define TDFILTER
 enum enumtagstate
 {
 	DISCPOLL,
@@ -13,7 +14,7 @@
 	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. */
-	0,               /* Use non-standard SFD (Boolean) */
+	1,               /* Use non-standard SFD (Boolean) */
 	DWT_BR_6M8,      /* Data rate. */
 	DWT_PHRMODE_STD, /* PHY header mode. */
 	(129 + 8 - 8)    /* SFD timeout (preamble length + 1 + SFD length - PAC size). Used in RX only. */
@@ -114,6 +115,14 @@
 		}
 	}
 }
+void SetNLOSNTMSettings(void)
+{
+    uint8_t temp;
+    temp = 7;
+    dwt_writetodevice(LDE_IF_ID,LDE_CFG1_OFFSET,1,&temp);
+    dwt_write16bitoffsetreg(LDE_IF_ID,LDE_CFG2_OFFSET,3);
+    // NTM = dwt_read32bitoffsetreg(LDE_IF_ID,LDE_CFG1_OFFSET) & LDE_CFG1_NSTDEV_MASK;
+}
 void Dw1000_Init(void)
 {
 	/* Reset and initialise DW1000.
@@ -126,7 +135,7 @@
     /* Configure DW1000. See NOTE 6 below. */
     dwt_configure(&config);//配置DW1000
 	
-
+  //  SetNLOSNTMSettings();
 	
     /* Apply default antenna delay value. See NOTE 1 below. */
     dwt_setrxantennadelay(RX_ANT_DLY);		//设置接收天线延迟
@@ -448,6 +457,7 @@
 									memcpy(&rec_tagpos_binary,&rx_buffer[NEARMSG_EMPTYSLOTPOS_INDEX],4);
 								if(temp_dist!=0x1ffff)
 									{
+										g_Resttimer=0;
 										#ifndef USART_INTEGRATE_OUTPUT
 										usart_send[2] = 1;//正常模式
 										usart_send[3] = 17;//数据段长度
@@ -694,12 +704,30 @@
 				UART_PushFrame(usart_send,6+report_num*6);
 			#endif
 }
+ double firstpath_power, rx_power,rec_firstpath_power;
+  double f1, f2, r1, r2;
+uint16_t F1,F2,F3,N,C;
+double B = 131072;
+double A = 121.74;
+double min_power;
+ dwt_rxdiag_t d1;
+double LOS(dwt_rxdiag_t *dia) {
+     F1 = dia->firstPathAmp1;
+     F2 = dia->firstPathAmp2;
+     F3 = dia->firstPathAmp3;
+     N = dia->rxPreamCount;
+     C = dia->maxGrowthCIR;
+    
+    firstpath_power=10* log10((F1*F1+F2*F2+F3*F3)/(N*N))-A;
+    rx_power=10*log10(C*B/(N*N))-A;
 
+ //   min_power =  - 10 * log10((F1 *F1 + F2 * F2 + F3 * F3) / (C *B));
+    return min_power;
+  }
 void Tag_App(void)//发送模式(TAG标签)
 {
 	//LED0_ON;
 	dwt_forcetrxoff();
-	g_Resttimer=0;
 		GPIO_WriteBit(GPIOA, GPIO_Pin_10, Bit_SET);	
 	switch(tag_state)
 	{
@@ -823,7 +851,7 @@
 				dwt_write32bitreg(SYS_STATUS_ID, SYS_STATUS_ALL_RX_ERR);
 			}
 }
-u8 misdist_num[TAG_NUM_IN_SYS],seize_anchor;
+u8 misdist_num[TAG_NUM_IN_SYS],seize_anchor,getrange_success=0;
 u8 Anchor_RecNearPoll(u8 ancrec_nearbasepos) //0 mainbase  1 first near_base
 {
 	u8 motorstate;
@@ -917,23 +945,34 @@
 					tof = tof_dtu * DWT_TIME_UNITS;
 					distance = tof * SPEED_OF_LIGHT;//距离=光速*飞行时间
 					dist_no_bias = distance - dwt_getrangebias(config.chan, (float)distance, config.prf); //距离减去矫正系数
-					dist_cm = dist_no_bias * 100; //dis 为单位为cm的距离				
+					dist_cm = dist_no_bias * 1000; //dis 为单位为cm的距离	
+
+					dwt_readdiagnostics(&d1);
+					LOS(&d1);
 					/*--------------------------以下为非测距逻辑------------------------*/
 					//dist_cm=33000;
-					
+					getrange_success = 1;
+					g_Resttimer=0;
 					LED0_BLINK; //每成功一次通讯则闪烁一次
 					dis_after_filter=dist_cm;
-					hex_dist = dist_cm+(int16_t)g_com_map[DIST_OFFSET];
+					hex_dist = dist_cm+(int16_t)g_com_map[DIST_OFFSET]*10;
 					g_flag_Taggetdist[taglist_pos]=0;
-					if(hex_dist>-1000&&hex_dist<200000)
-					{
-					if(abs(hex_dist-his_dist[taglist_pos])<1500||misdist_num[taglist_pos]>3)
-					{
+				//	if(hex_dist>0&&hex_dist<2000000)
+					//{
+					//if(abs(hex_dist-his_dist[taglist_pos])<10000||misdist_num[taglist_pos]>3)
+					//{
+						int32_t filter_dist;
+						#ifdef TDFILTER
+						NewTrackingDiffUpdate(taglist_pos, (float)hex_dist);
+						filter_dist=pos_predict[taglist_pos]/10;
+						#else
+						filter_dist=hex_dist/10;
+						#endif
 						misdist_num[taglist_pos]=0;
-					tagdist_list[taglist_pos] = hex_dist;	
+					tagdist_list[taglist_pos] = filter_dist;	
 					his_dist[taglist_pos]=hex_dist;	
-						g_Tagdist[taglist_pos]=hex_dist;	
-				#ifndef USART_INTEGRATE_OUTPUT
+						g_Tagdist[taglist_pos]=filter_dist;	
+			 	#ifndef USART_INTEGRATE_OUTPUT 
 					usart_send[2] = 1;//正常模式 
 					usart_send[3] = 17;//数据段长度
 					usart_send[4] = frame_seq_nb2;//数据段长度
@@ -942,6 +981,8 @@
 					memcpy(&usart_send[9],&tagdist_list[taglist_pos],4);
 					usart_send[13] = battary;
 					usart_send[14] = button;
+                    usart_send[15] = firstpath_power;
+                    usart_send[16] = rx_power;
 					checksum = Checksum_u16(&usart_send[2],17);
 					memcpy(&usart_send[19],&checksum,2);
 					UART_PushFrame(usart_send,21);
@@ -950,11 +991,11 @@
 					memcpy(&usart_send_anc[6+6*anc_report_num],&tagdist_list[taglist_pos],4);
 					anc_report_num++;
 				#endif
-					}else{
-					//	printf("%d",hex_dist);
-						misdist_num[taglist_pos]++;
-					}
-				}
+//					}else{
+//					//	printf("%d",hex_dist);
+//						misdist_num[taglist_pos]++;
+//					}
+//				}
 			}
 			}else{
 					//printf("%x/n",status_reg);
@@ -963,7 +1004,7 @@
 }
 uint32_t current_syncid=0xffffffff,synclost_timer;
 extern u8 flag_syncbase;
-u8 tagpos_rec[50],tagpos_send[50],ancidlist_num,getrange_success=0;
+u8 tagpos_rec[50],tagpos_send[50],ancidlist_num;
 u16 ancidlist_rec[20],ancidlist_send[20];
 void Anchor_App(void)
 {
@@ -988,8 +1029,7 @@
 	{ u16 tag_recv_interval;
 		float temp_tagpos;
 	
-		getrange_success = 1;
-		g_Resttimer=0;
+
 		dwt_write32bitreg(SYS_STATUS_ID, SYS_STATUS_RXFCG);//清除标志位
 		frame_len = dwt_read32bitreg(RX_FINFO_ID) & RX_FINFO_RXFL_MASK_1023;//获得接收数据长度
 		dwt_readrxdata(rx_buffer, frame_len, 0);//读取接收数据
@@ -1002,7 +1042,7 @@
 //				if (anchor_type == rx_buffer[ANC_TYPE_IDX])
 //				Anchor_RecPoll();
 //				break;
-			case SYNC:			
+			case SYNC:					
 				memcpy(&rec_syncid,&rx_buffer[ANCHOR_ID_IDX],4);
 				if(rec_syncid<current_syncid)
 				{
@@ -1043,8 +1083,10 @@
 				}
 				break;
 		
-			case NEAR_POLL:			
+			case NEAR_POLL:						
 				memcpy(&tag_id_recv,&rx_buffer[TAG_ID_IDX],2);
+			if(tag_id_recv>=g_com_map[WHITELIST1_START]&&tag_id_recv<=g_com_map[WHITELIST1_END])
+			{break;}
 				taglist_pos=CmpTagInList(tag_id_recv);
 				if(taglist_pos==taglist_num)
 				{

--
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