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 | 27 ++++++++++++++++++++-------
1 files changed, 20 insertions(+), 7 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 6ac274f..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
@@ -611,6 +612,9 @@
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)
@@ -620,6 +624,10 @@
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_flag_Taggetdist[tag_id_recv]=0;
@@ -643,7 +651,12 @@
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. */
--
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