From a222376377bf1c5da0782e42814f953b3189a002 Mon Sep 17 00:00:00 2001
From: chen <15335560115@163.com>
Date: 星期三, 25 九月 2024 16:35:00 +0800
Subject: [PATCH] 车载手环版本V1.4，修改帧间隔达到标签和基站测距稳定，和车载测距加入作为标签时的校正值
---
keil/uwb_app.c | 15 +++++++++------
1 files changed, 9 insertions(+), 6 deletions(-)
diff --git a/keil/uwb_app.c b/keil/uwb_app.c
index 0f23254..e61a15f 100644
--- a/keil/uwb_app.c
+++ b/keil/uwb_app.c
@@ -79,7 +79,7 @@
/* RX window open in advance */
#define RX_WIN_IN_ADVANCE_US (150)
-#define DELAY_BETWEEN_TWO_FRAME_UUS 1000
+#define DELAY_BETWEEN_TWO_FRAME_UUS 1400
/* Field index in frame */
#define MSG_SEQ_NUM_IDX 2
@@ -344,11 +344,11 @@
random_time = (phy_timer_count_get()%100);//多基站抢占一个位置时避免一个也收不到的情况就每一个随机错开几十uS
//resp_tx_time = (poll_rx_ts+((random_time+rec_nearbase_num*20 + POLL_RX_TO_RESP_TX_DLY_UUS+ancrec_nearbasepos*DELAY_BETWEEN_TWO_FRAME_UUS) * UUS_TO_DWT_TIME)) >> 8;//计算Response发送时间T3。
// (resp_tx_en_start_u32) is the moment when TX enable
- resp_tx_en_start_u32 = random_time+poll_rx_en_start_u32+US_TO_PHY_TIMER_COUNT(20*rec_nearbase_num)+US_TO_PHY_TIMER_COUNT(POLL_RX_TO_RESP_TX_DLY_US)+rec_nearbase_num*US_TO_PHY_TIMER_COUNT(DELAY_BETWEEN_TWO_FRAME_UUS);//后面的需要根据已有基站数量进行更改，如果是抢占自己最后一个回复，要有底数
+ resp_tx_en_start_u32 = poll_rx_en_start_u32+US_TO_PHY_TIMER_COUNT(20*rec_nearbase_num+POLL_RX_TO_RESP_TX_DLY_US+rec_nearbase_num*DELAY_BETWEEN_TWO_FRAME_UUS);//后面的需要根据已有基站数量进行更改，如果是抢占自己最后一个回复，要有底数
} else {
//resp_tx_time = (poll_rx_ts + ((rec_nearbase_num*20+POLL_RX_TO_RESP_TX_DLY_UUS+ancrec_nearbasepos*DELAY_BETWEEN_TWO_FRAME_UUS) * UUS_TO_DWT_TIME)) >> 8;//计算Response发送时间T3。
- resp_tx_en_start_u32 = poll_rx_en_start_u32+US_TO_PHY_TIMER_COUNT(20*rec_nearbase_num)+US_TO_PHY_TIMER_COUNT(POLL_RX_TO_RESP_TX_DLY_US)+rec_nearbase_num*US_TO_PHY_TIMER_COUNT(DELAY_BETWEEN_TWO_FRAME_UUS);//后面的需要根据已有基站数量进行更改,自己非抢占
+ resp_tx_en_start_u32 = poll_rx_en_start_u32+US_TO_PHY_TIMER_COUNT(20*rec_nearbase_num+POLL_RX_TO_RESP_TX_DLY_US+rec_nearbase_num*DELAY_BETWEEN_TWO_FRAME_UUS);//后面的需要根据已有基站数量进行更改，如果是抢占自己最后一个回复，要有底数
//这里应该有问题问一下钟工
}//此处设置绝对时间将poll u32改为phy_timer_count_get()
@@ -427,6 +427,7 @@
if(group_id==rx_buf[GROUP_ID_IDX]&&rx_buf[MESSAGE_TYPE_IDX] == MBX_POLL&&!memcmp(&rx_buf[TAG_ID_IDX],&g_com_map[BIND_DEV_ID],2))//判断是否是和自己是同一组通讯的且为poll包
{ flag_recsuccess = 1;
+ sleep_timer_start(__MS_TO_32K_CNT(UWB_DELAY_TIME_US));//测试
temp_count2=phy_timer_count_get();
frame_seq_nb2 = rx_buf[SEQUENCE_IDX];//获取包序
battary = rx_buf[BATTARY_IDX];
@@ -461,7 +462,7 @@
}
recev_error_num=0;
- sleep_timer_start(__MS_TO_32K_CNT(UWB_DELAY_TIME_US));//测试
+
LOG_INFO(TRACE_MODULE_APP,"标签ID：%X,距离: %d 信号强度：%d.\r\n",g_com_map[BIND_DEV_ID],distance,rssi);
break;
}
@@ -547,7 +548,9 @@
if(receive_flag==1)//成功接收
{
if(group_id==rx_buf[GROUP_ID_IDX]&&rx_buf[MESSAGE_TYPE_IDX] == MBX_POLL&&!memcmp(&rx_buf[TAG_ID_IDX],&g_com_map[BIND_DEV_ID],2))//判断是否是和自己是同一组通讯的且为poll包
- { temp_count2=phy_timer_count_get();
+ {
+ sleep_timer_start(__MS_TO_32K_CNT(UWB_DELAY_TIME_US-1));//测试
+ temp_count2=phy_timer_count_get();
frame_seq_nb2 = rx_buf[SEQUENCE_IDX];//获取包序
battary = rx_buf[BATTARY_IDX];
rec_nearbase_num=rx_buf[FZ_NEARBASENUM_INDEX]; //标签传过来的他与基站交互的基站id数目
@@ -578,7 +581,7 @@
seize_anchor=1; //抢占anchor
Anchor_RecNearPoll(i);
}
- sleep_timer_start(__MS_TO_32K_CNT(UWB_DELAY_TIME_US));//测试
+
gpio_pin_clr(SCL_PIN);//测试
return 1;//返回发送成功标志
}
--
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