From 8e69deaacad4737c0c31b0c6b436edbbe140584d Mon Sep 17 00:00:00 2001
From: zhyinch <zhyinch@gmail.com>
Date: 星期六, 10 十月 2020 15:03:16 +0800
Subject: [PATCH] 定位临近初测成功
---
Src/application/dw_app.c | 206 +++++++++++++++++++++++++++++++++++++++------------
1 files changed, 156 insertions(+), 50 deletions(-)
diff --git a/Src/application/dw_app.c b/Src/application/dw_app.c
index 2abebf4..2fe757e 100644
--- a/Src/application/dw_app.c
+++ b/Src/application/dw_app.c
@@ -47,7 +47,7 @@
#define POLL_TX_TO_RESP_RX_DLY_UUS 150
/* This is the delay from Frame RX timestamp to TX reply timestamp used for calculating/setting the DW1000's delayed TX function. This includes the
* frame length of approximately 2.66 ms with above configuration. */
-#define RESP_RX_TO_FINAL_TX_DLY_UUS 410
+#define RESP_RX_TO_FINAL_TX_DLY_UUS 510
/* Receive response timeout. See NOTE 5 below. */
#define RESP_RX_TIMEOUT_UUS 600
@@ -75,7 +75,7 @@
DISCPOLL,
GETNEARMSG,
NEARPOLL,
-}tag_state=GETNEARMSG;
+}tag_state=DISCPOLL;
static dwt_config_t config = {
2, /* Channel number. */
DWT_PRF_64M, /* Pulse repetition frequency. */
@@ -295,6 +295,159 @@
u32 rec_tagpos_binary;
int16_t offset=2700;
u8 motor_state,rec_remotepara_state,rec_remotepara[80];
+void Poll(void)
+{
+ uint32_t frame_len;
+ uint32_t final_tx_time;
+ u32 start_poll;
+ int32_t mindist=999999,minid=-1,temp_dist;
+ u8 i,getsync_flag=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(RESP_RX_TIMEOUT_UUS);
+ tag_succ_times = 0;
+
+ for(i=0;i<3;i++)
+ {
+ /* Write frame data to DW1000 and prepare transmission. See NOTE 7 below. */
+ tx_poll_msg[ANC_TYPE_IDX] = i;
+ dwt_writetxdata(sizeof(tx_poll_msg), tx_poll_msg, 0);//将Poll包数据传给DW1000，将在开启发送时传出去
+ dwt_writetxfctrl(sizeof(tx_poll_msg), 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
+
+ /* 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] == RESPONSE&&!memcmp(&rx_buffer[TAG_ID_IDX],&dev_id,2)) //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
+ if(getsync_flag==0)
+ {
+ getsync_flag=1;
+ memcpy(&sync_timer,&rx_buffer[ANCTIMEMS],2);
+ memcpy(&tmp_time,&rx_buffer[ANCTIMEUS],2);
+ current_count=HAL_LPTIM_ReadCounter(&hlptim1);
+// memcpy(&tagslotpos,&rx_buffer[TAGSLOTPOS],2);
+ tmp_time=tmp_time+450;
+ if(tmp_time>999)
+ {
+ tmp_time-=999;
+ sync_timer++;
+ if(sync_timer>=1010)
+ {sync_timer=0;}
+ }
+ }
+
+ memcpy(&temp_dist, &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
+ dwt_setdelayedtrxtime(final_tx_time);//设置final包发送时间T5
+ final_tx_ts = (((uint64_t)(final_tx_time & 0xFFFFFFFE)) << 8) + TX_ANT_DLY;//final包实际发送时间是计算时间加上发送天线delay
+ final_msg_set_ts(&tx_final_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_final_msg[FINAL_MSG_RESP_RX_TS_IDX], resp_rx_ts);
+ final_msg_set_ts(&tx_final_msg[FINAL_MSG_FINAL_TX_TS_IDX], final_tx_ts);
+ dwt_writetxdata(sizeof(tx_final_msg), tx_final_msg, 0);//将发送数据写入DW1000
+ dwt_writetxfctrl(sizeof(tx_final_msg), 0);//设定发送数据长度
+ result=dwt_starttx(DWT_START_TX_DELAYED);//设定为延迟发送
+ tag_succ_times++;
+ LED0_BLINK;
+
+ tagslotpos=GetRandomSlotPos(rec_tagpos_binary);
+ tyncpoll_time = (tagslotpos--%max_slotpos)*slottime;
+ SetNextPollTime(tyncpoll_time);
+
+ if(temp_dist<mindist&&temp_dist!=0)
+ {
+ memcpy(&minid, &rx_buffer[ANCHOR_ID_IDX], 4);
+ tag_state=GETNEARMSG;
+ trygetnearmsg_times=5;
+ mindist=temp_dist;
+ }
+ if(result==0)
+ {while (!(dwt_read32bitreg(SYS_STATUS_ID) & SYS_STATUS_TXFRS))//不断查询芯片状态直到发送完成
+ { };
+ }
+ /* Clear TXFRS event. */
+ dwt_write32bitreg(SYS_STATUS_ID, SYS_STATUS_TXFRS);//清除标志位
+ random_delay_tim = 0;
+ }
+ else
+ {
+ random_delay_tim = DFT_RAND_DLY_TIM_MS; //如果通讯失败，将间隔时间增加5ms，避开因为多标签同时发送引起的冲突。
+ }
+ }
+ else
+ {
+ dwt_write32bitreg(SYS_STATUS_ID, SYS_STATUS_ALL_RX_ERR);
+ random_delay_tim = DFT_RAND_DLY_TIM_MS;
+ }
+}
+ if(getsync_flag==0)
+ {
+ tagslotpos--;
+ if(tagslotpos==0||tagslotpos>max_slotpos)
+ {
+ tagslotpos=max_slotpos;
+ }
+ tyncpoll_time=(tagslotpos-1)*slottime;
+ }
+ mainbase_id=minid;
+}
+u8 nearmsg_mainbase=0,rec_tagpos_emptylist[32],mainbase_type;;
+void GetNearMsg(void)
+{
+ u32 start_poll,frame_len;
+
+
+ memcpy(&tx_near_msg[ANCHOR_ID_IDX],&mainbase_id,2);
+ memcpy(&tx_near_msg[TAG_ID_IDX],&dev_id,2);
+ 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;
+ }
+}
void NearPoll(void)
{
@@ -606,53 +759,6 @@
HAL_GPIO_WritePin(LED0_GPIO, GPIO_PIN_9, GPIO_PIN_RESET);
}
-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[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;
- }
-}
void Tag_App(void)//发送模式(TAG标签)
{
@@ -669,7 +775,7 @@
switch(tag_state)
{
case DISCPOLL:
- // Poll();
+ Poll();
break;
case GETNEARMSG:
--
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