From d56da5b9006bfb55a4c7ae2dbb00c026fa3148ae Mon Sep 17 00:00:00 2001 From: zhyinch <zhyinch@gmail.com> Date: 星期日, 15 十二月 2019 11:08:21 +0800 Subject: [PATCH] 增加跟踪微分器 --- 源码/核心板/Src/application/dw_app.c | 35 ++++++++++++++++++++++++++--------- 1 files changed, 26 insertions(+), 9 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 d017aa1..151b817 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" @@ -238,7 +238,7 @@ for(i=0;i<255;i++) { g_flag_Taggetdist[i]++; - if(g_flag_Taggetdist[i]>=2) + if(g_flag_Taggetdist[i]>=20) { g_Tagdist[i]=0xffff; } @@ -313,7 +313,7 @@ uint16_t g_Resttimer; uint8_t result; u8 tag_succ_times=0; -int32_t hex_dist; +int32_t hex_dist,hex_dist2; u16 checksum; int8_t tag_delaytime; extern uint16_t sync_timer; @@ -395,7 +395,7 @@ } TIM3->CNT=tmp_time; } - memcpy(&anchor_dist_last_frm[0], &rx_buffer[DIST_IDX], 4); + memcpy(&hex_dist2, &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 @@ -418,7 +418,7 @@ tag_succ_times++; LED0_BLINK; - hex_dist = anchor_dist_last_frm[0]; + memcpy(&anc_id_recv,&rx_buffer[ANCHOR_ID_IDX],2); // g_Tagdist[anc_id_recv]= hex_dist; // g_flag_Taggetdist[anc_id_recv]=0; @@ -430,7 +430,7 @@ memcpy(&usart_send[5],&dev_id,2); memcpy(&usart_send[7],&rx_buffer[ANCHOR_ID_IDX],2); - memcpy(&usart_send[9],&hex_dist,4); + memcpy(&usart_send[9],&hex_dist2,4); usart_send[13] = battary; usart_send[14] = button; checksum = Checksum_u16(&usart_send[2],17); @@ -474,12 +474,13 @@ } int8_t correction_time; extern uint8_t sync_seq; +#define TDFILTER void Anchor_App(void) { uint32_t frame_len; uint32_t resp_tx_time; - + static u8 misdist_num; /* Clear reception timeout to start next ranging process. */ dwt_setrxtimeout(0);//设定接收超时时间,0位没有超时时间 @@ -611,14 +612,24 @@ g_UWB_com_interval = 0; dis_after_filter=dist_cm; hex_dist = dist_cm+(int16_t)g_com_map[DIST_OFFSET]; + if(hex_dist-anchor_dist_last_frm[tag_id_recv-TAG_ID_START]<1500||misdist_num>4) + { + misdist_num=0; + if(hex_dist<100000&&hex_dist>-1000) + { if(tag_id_recv-TAG_ID_START<=TAG_NUM_IN_SYS) - if(abs(hex_dist-his_dist[tag_id_recv-TAG_ID_START])<1000&&hex_dist<100000&&hex_dist>-1000) + { + if(abs(hex_dist-his_dist[tag_id_recv-TAG_ID_START])<1000) { g_Tagdist[tag_id_recv-TAG_ID_START] = hex_dist; anchor_dist_last_frm[tag_id_recv-TAG_ID_START] = hex_dist; + g_Tagdist[tag_id_recv]= hex_dist; + #ifdef TDFILTER + TrackingDiffUpdate(pUWBDistanceTrackingDiff, (float)hex_dist); + hex_dist=pUWBDistanceTrackingDiff->pos_predict; + #endif } his_dist[tag_id_recv-TAG_ID_START]=hex_dist; - g_Tagdist[tag_id_recv]= anchor_dist_last_frm[tag_id_recv-TAG_ID_START]; g_flag_Taggetdist[tag_id_recv]=0; if(!g_com_map[MODBUS_MODE]) { @@ -639,7 +650,13 @@ Modbus_HoldReg[tag_id_recv*2]=anchor_dist_last_frm[tag_id_recv-TAG_ID_START]>>16; Modbus_HoldReg[tag_id_recv*2+1]=anchor_dist_last_frm[tag_id_recv-TAG_ID_START]; //dis_after_filter = LP_Frac_Update(p_Dis_Filter, dist_cm); - + } + } + }else{ + misdist_num++; + } + if(anchor_dist_last_frm[tag_id_recv-TAG_ID_START]>1000) + {anchor_dist_last_frm[tag_id_recv-TAG_ID_START]=anchor_dist_last_frm[tag_id_recv-TAG_ID_START];} } }else{ /* Clear RX error events in the DW1000 status register. */ -- Gitblit v1.9.3