From 382decb66116a76f5c7bff9e1a9c4e728b9444a6 Mon Sep 17 00:00:00 2001
From: zhyinch <zhyinch@gmail.com>
Date: 星期四, 29 十月 2020 14:28:37 +0800
Subject: [PATCH] 增加信号强度功能
---
源码/核心板/Src/application/dw_app.c | 1286 ++++++++++++++++++++++++++++++++++++++++++---------------
1 files changed, 937 insertions(+), 349 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 8ef4487..d4c1ad6 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"
@@ -1,165 +1,55 @@
-
-/*! ----------------------------------------------------------------------------
- * @file main.c
- * @brief Double-sided two-way ranging (DS TWR) initiator example code
- *
- *
- *
- * @attention
- *
- * Copyright 2015 (c) Decawave Ltd, Dublin, Ireland.
- *
- * All rights reserved.
- *
- * @author Decawave
- */
-
-#include <string.h>
#include "dw_app.h"
-#include "deca_device_api.h"
-#include "deca_regs.h"
-#include "dw_driver.h"
-#include "Spi.h"
-#include "led.h"
-#include "serial_at_cmd_app.h"
-#include "Usart.h"
-#include "global_param.h"
-#include "filters.h"
-#include <stdio.h>
-#include "beep.h"
-
-
-/*------------------------------------ Marcos ------------------------------------------*/
-/* Inter-ranging delay period, in milliseconds. */
-#define RNG_DELAY_MS 100
-
-/* Default antenna delay values for 64 MHz PRF. See NOTE 1 below. */
-#define TX_ANT_DLY 0
-#define RX_ANT_DLY 32899
-
-/* UWB microsecond (uus) to device time unit (dtu, around 15.65 ps) conversion factor.
- * 1 uus = 512 / 499.2 祍 and 1 祍 = 499.2 * 128 dtu. */
-#define UUS_TO_DWT_TIME 65536
-
-/* Delay between frames, in UWB microseconds. See NOTE 4 below. */
-/* This is the delay from the end of the frame transmission to the enable of the receiver, as programmed for the DW1000's wait for response feature. */
-#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 400
-/* Receive response timeout. See NOTE 5 below. */
-#define RESP_RX_TIMEOUT_UUS 600
-
-#define POLL_RX_TO_RESP_TX_DLY_UUS 420
-/* This is the delay from the end of the frame transmission to the enable of the receiver, as programmed for the DW1000's wait for response feature. */
-#define RESP_TX_TO_FINAL_RX_DLY_UUS 200
-/* Receive final timeout. See NOTE 5 below. */
-#define FINAL_RX_TIMEOUT_UUS 4300
-
-#define SPEED_OF_LIGHT 299702547
-
-/* Indexes to access some of the fields in the frames defined above. */
-#define FINAL_MSG_POLL_TX_TS_IDX 10
-#define FINAL_MSG_RESP_RX_TS_IDX 14
-#define FINAL_MSG_FINAL_TX_TS_IDX 18
-#define FINAL_MSG_TS_LEN 4
-
-#define SYNC_SEQ_IDX 5
-
-#define GROUP_ID_IDX 0
-#define ANCHOR_ID_IDX 1
-#define TAG_ID_IDX 5
-#define MESSAGE_TYPE_IDX 9
-#define DIST_IDX 10
-//Poll
-#define ANC_TYPE_IDX 14
-#define BATTARY_IDX 15
-#define BUTTON_IDX 16
-#define SEQUENCE_IDX 17
-//respose
-#define ANCTIMEMS 14
-#define ANCTIMEUS 16
-
-#define POLL 0x01
-#define RESPONSE 0x02
-#define FINAL 0x03
-#define SYNC 0x04
-
-/*------------------------------------ Variables ------------------------------------------*/
-/* Default communication configuration. We use here EVK1000's default mode (mode 3). */
+#include "ADC.h"
+enum enumtagstate
+{
+ DISCPOLL,
+ GETNEARMSG,
+ NEARPOLL,
+}tag_state=GETNEARMSG;
static dwt_config_t config = {
2, /* Channel number. */
DWT_PRF_64M, /* Pulse repetition frequency. */
- DWT_PLEN_128, /* Preamble length. */
+ DWT_PLEN_64, /* Preamble length. */
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. */
};
-
-/* Frames used in the ranging process. See NOTE 2 below. */
static uint8_t tx_poll_msg[20] = {0};
static uint8_t tx_sync_msg[14] = {0};
-//static uint8_t rx_resp_msg[] = {0x41, 0x88, 0, 0xCA, 0xDE, 'V', 'E', 'W', 'A', 0x10, 0x02, 0, 0, 0, 0};
-static uint8_t tx_final_msg[] = {0x41, 0x88, 0, 0xCA, 0xDE, 'W', 'A', 'V', 'E', 0x23, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
-
-//static uint8_t rx_poll_msg[] = {0x00, 0x88, 0, 0xCA, 0xDE, 'W', 'A', 'V', 'E', 0x21, 0, 0};
-static uint8_t tx_resp_msg[20] = {0};
-//static uint8_t rx_final_msg[] = {0x41, 0x88, 0, 0xCA, 0xDE, 'W', 'A', 'V', 'E', 0x23, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
-
-/* Frame sequence number, incremented after each transmission. */
-static uint32_t frame_seq_nb = 0;
-
-/* Hold copy of status register state here for reference, so reader can examine it at a breakpoint. */
+static uint8_t tx_final_msg[60] = {0};
+static uint8_t tx_resp_msg[22] = {0};
+static uint8_t tx_nearpoll_msg[80] = {0};
+static uint8_t tx_nearresp_msg[80] = {0};
+static uint8_t tx_nearfinal_msg[80] = {0};
+
+static uint8_t tx_near_msg[80] = {0};
+
+ uint32_t frame_seq_nb = 0, frame_seq_nb2 = 0;
static uint32_t status_reg = 0;
-
-/* Buffer to store received response message.
- * Its size is adjusted to longest frame that this example code is supposed to handle. */
-#define RX_BUF_LEN 24
-static uint8_t rx_buffer[RX_BUF_LEN];
-
-/* Time-stamps of frames transmission/reception, expressed in device time units.
- * As they are 40-bit wide, we need to define a 64-bit int type to handle them. */
+static uint8_t rx_buffer[100];
static uint64_t poll_tx_ts;
static uint64_t resp_rx_ts;
static uint64_t final_tx_ts;
-
-/* Length of the common part of the message (up to and including the function code, see NOTE 2 below). */
static uint64_t poll_rx_ts;
static uint64_t resp_tx_ts;
static uint64_t final_rx_ts;
-
static double tof;
-
-uint32_t anchor_dist_last_frm[TAG_NUM_IN_SYS],his_dist[TAG_NUM_IN_SYS]; ;
+int32_t anchor_dist_last_frm[TAG_NUM_IN_SYS],his_dist[TAG_NUM_IN_SYS];
uint32_t tag_id = 0;
uint32_t tag_id_recv = 0;
+uint32_t anc_id_recv = 0;
uint8_t random_delay_tim = 0;
-
double distance, dist_no_bias, dist_cm;
-
uint32_t g_UWB_com_interval = 0;
float dis_after_filter; //当前距离值
LPFilter_Frac* p_Dis_Filter; //测距用的低通滤波器
-
uint16_t g_Tagdist[TAG_NUM_IN_SYS];
uint8_t g_flag_Taggetdist[256];
-/*------------------------------------ Functions ------------------------------------------*/
-
-/*! ------------------------------------------------------------------------------------------------------------------
- * @fn get_tx_timestamp_u64()
- *
- * @brief Get the TX time-stamp in a 64-bit variable.
- * /!\ This function assumes that length of time-stamps is 40 bits, for both TX and RX!
- *
- * @param none
- *
- * @return 64-bit value of the read time-stamp.
- */
static uint64_t get_tx_timestamp_u64(void)
{
uint8_t ts_tab[5];
@@ -174,16 +64,6 @@
return ts;
}
-/*! ------------------------------------------------------------------------------------------------------------------
- * @fn get_rx_timestamp_u64()
- *
- * @brief Get the RX time-stamp in a 64-bit variable.
- * /!\ This function assumes that length of time-stamps is 40 bits, for both TX and RX!
- *
- * @param none
- *
- * @return 64-bit value of the read time-stamp.
- */
static uint64_t get_rx_timestamp_u64(void)
{
uint8_t ts_tab[5];
@@ -198,17 +78,6 @@
return ts;
}
-/*! ------------------------------------------------------------------------------------------------------------------
- * @fn final_msg_set_ts()
- *
- * @brief Fill a given timestamp field in the final message with the given value. In the timestamp fields of the final
- * message, the least significant byte is at the lower address.
- *
- * @param ts_field pointer on the first byte of the timestamp field to fill
- * ts timestamp value
- *
- * @return none
- */
static void final_msg_set_ts(uint8_t *ts_field, uint64_t ts)
{
int i;
@@ -251,7 +120,9 @@
* For initialisation, DW1000 clocks must be temporarily set to crystal speed. After initialisation SPI rate can be increased for optimum
* performance. */
Reset_DW1000();//重启DW1000 /* Target specific drive of RSTn line into DW1000 low for a period. */
+ status_reg = dwt_read32bitreg(SYS_STATUS_ID);
dwt_initialise(DWT_LOADUCODE);//初始化DW1000
+ status_reg = dwt_read32bitreg(SYS_STATUS_ID);
Spi_ChangePrescaler(SPIx_PRESCALER_FAST); //设置为快速模式
/* Configure DW1000. See NOTE 6 below. */
@@ -275,10 +146,13 @@
tx_final_msg[MESSAGE_TYPE_IDX]=FINAL;
tx_sync_msg[MESSAGE_TYPE_IDX]=SYNC;
- memcpy(&tx_poll_msg[TAG_ID_IDX], &dev_id, 4);
- memcpy(&tx_final_msg[TAG_ID_IDX], &dev_id, 4);
- memcpy(&tx_resp_msg[ANCHOR_ID_IDX], &dev_id, 4);
- memcpy(&tx_sync_msg[ANCHOR_ID_IDX], &dev_id, 4);
+ memcpy(&tx_poll_msg[TAG_ID_IDX], &dev_id, 2);
+ memcpy(&tx_final_msg[TAG_ID_IDX], &dev_id, 2);
+ memcpy(&tx_resp_msg[ANCHOR_ID_IDX], &dev_id, 2);
+ memcpy(&tx_sync_msg[ANCHOR_ID_IDX], &dev_id, 2);
+ memcpy(&tx_nearresp_msg[ANCHOR_ID_IDX], &dev_id, 2);
+ memcpy(&tx_nearpoll_msg[TAG_ID_IDX], &dev_id, 2);
+ memcpy(&tx_nearfinal_msg[TAG_ID_IDX], &dev_id, 2);
}
uint16_t Checksum_u16(uint8_t* pdata, uint32_t len)
{
@@ -291,7 +165,7 @@
}
u16 tag_time_recv[TAG_NUM_IN_SYS];
-u8 usart_send[25];
+u8 usart_send[100],usart_send_anc[100];
u8 battary,button;
extern uint8_t g_pairstart;
void tag_sleep_configuraion(void)
@@ -299,16 +173,26 @@
dwt_configuresleep(0x940, 0x7);
dwt_entersleep();
}
+
extern uint8_t g_start_send_flag;
u8 g_start_sync_flag;
-void SyncPoll(u8 sync_seq)
-{
- g_start_sync_flag=1;
- dwt_forcetrxoff();
+void SyncPoll(u8 sync_seq,uint32_t sync_baseid)
+{u8 result;
+ g_start_sync_flag=1; //中断模式，退出终端后，需要重新来过
+ dwt_forcetrxoff(); //关闭接收，以防在RX ON 状态
+
+
tx_sync_msg[SYNC_SEQ_IDX]=sync_seq;
+ memcpy(&tx_sync_msg[ANCHOR_ID_IDX],&sync_baseid,4);
dwt_writetxdata(sizeof(tx_sync_msg), tx_sync_msg, 0);//将Poll包数据传给DW1000，将在开启发送时传出去
dwt_writetxfctrl(sizeof(tx_sync_msg), 0);//设置超宽带发送数据长度
dwt_starttx(DWT_START_TX_IMMEDIATE);
+ 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
+ { };
+ }
+ dwt_write32bitreg(SYS_STATUS_ID, SYS_STATUS_TXFRS);//清楚标志位
}
uint16_t g_Resttimer;
uint8_t result;
@@ -318,73 +202,180 @@
int8_t tag_delaytime;
extern uint16_t sync_timer;
u16 tmp_time;
-void Tag_App(void)//发送模式(TAG标签)
+int32_t temp_dist;
+u16 tagslotpos;
+
+u16 anclist_num=0,anclist_pos; //list 总数量和当前位置
+u16 ancid_list[TAG_NUM_IN_SYS];
+u8 nearbase_num=0,last_nearbase_num,next_nearbase_num;
+u16 nearbaseid_list[MAX_NEARBASE_NUM],mainbase_id,true_nearbase_idlist[MAX_NEARBASE_NUM];
+int32_t mainbase_dist,nearbase_distlist[MAX_NEARBASE_NUM],true_nearbase_distlist[MAX_NEARBASE_NUM],true_exsistbase_list[MAX_NEARBASE_NUM];
+uint8_t trygetnearmsg_times;
+u16 current_slotnum,total_slotnum,target_time,last_time;
+u32 rec_tagpos_binary;
+extern uint32_t tagpos_binary;
+void SetNextPollTime(u16 time)
+{
+ current_slotnum++;
+ if(current_slotnum==total_slotnum)
+ current_slotnum-=total_slotnum;
+ //time=5;
+ target_time=((current_slotnum*g_com_map[COM_INTERVAL])+time);
+
+ last_time=target_time;
+ if(target_time>=990&&target_time<992)
+ {
+ current_slotnum++;
+ target_time+=g_com_map[COM_INTERVAL];
+ tagslotpos=GetRandomSlotPos(rec_tagpos_binary|tagpos_binary);
+ tyncpoll_time = (tagslotpos--%max_slotpos)*slottime;
+ }
+ if(target_time>=1000)
+ {target_time-=1000;}
+ if(target_time<0)
+ {target_time+=1000;}
+
+}
+u8 FindNearBasePos(u16 baseid)
+{
+ u8 i;
+ for(i=0;i<last_nearbase_num;i++)
+ {
+ if(baseid==nearbaseid_list[i])
+ return i;
+ }
+ return i;
+}
+u8 recbase_num=0;
+#define CHANGE_BASE_THRESHOLD 5
+//void NearAncSelect(void)
+//{static u16 last_mainbase_id,change_base_count;
+// int32_t nearbase_mindist=99999, nearbase_minpos;
+// u8 i;
+// for(i=0;i<recbase_num-1;i++)
+// {
+// if(nearbase_mindist>nearbase_distlist[i])
+// {
+// nearbase_mindist=nearbase_distlist[i];
+// nearbase_minpos=i;
+// }
+// }
+// if(nearbase_mindist<mainbase_dist-THRESHOLD_CHANGE_MAINBASE_DIST)
+// {
+// if(last_mainbase_id==nearbaseid_list[nearbase_minpos])
+// {
+// change_base_count++;
+// if(change_base_count>CHANGE_BASE_THRESHOLD)
+// {
+// mainbase_id=last_mainbase_id;
+// tag_state=GETNEARMSG;
+// }
+// }else{
+// change_base_count=0;
+// }
+// last_mainbase_id=nearbaseid_list[nearbase_minpos];
+// }else{
+// change_base_count=0;
+// }
+//}
+uint8_t GetRandomValue(void)
+{
+ uint8_t random_value=0,temp_adc,i;
+ for(i=0;i<8;i++)
+ {
+ temp_adc=Get_ADC_Value();
+ random_value=random_value|((temp_adc&0x01)<<i);
+ }
+ return random_value;
+}
+u8 GetRandomSlotPos(uint32_t emptyslot)
+{
+ u8 i,temp_value;
+ temp_value = GetRandomValue();
+ for(i=temp_value%max_slotpos;i<max_slotpos;i++)
+ {
+ if(((emptyslot>>i)&0x1)==0)
+ {
+ return i;
+ }
+ }
+
+ for(i=1;i<max_slotpos;i++)
+ {
+ if(((emptyslot>>i)&0x1)==0)
+ {
+ return i;
+ }
+ }
+return max_slotpos-1;
+}
+dwt_rxdiag_t d1;
+u8 test=0;
+u8 anclost_times=0;
+u8 exsistbase_list[MAX_NEARBASE_NUM],report_num,get_newbase=0;
+u16 temp_sync_timer1,temp_sync_timer2;
+ double firstpath_power, rx_power;
+ double f1, f2, r1, r2;
+uint16_t F1,F2,F3,N,C;
+double B = 131072;
+double A = 121.74;
+double min_power;
+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 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;
- //LED0_ON;
- dwt_forcetrxoff();
- g_Resttimer=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;
- tx_poll_msg[BATTARY_IDX] = Get_Battary();
- tx_poll_msg[BUTTON_IDX] = !READ_KEY0;
- tx_poll_msg[SEQUENCE_IDX] = frame_seq_nb++;
GPIO_WriteBit(GPIOA, GPIO_Pin_9, Bit_RESET);
for(i=0;i<g_com_map[MAX_REPORT_ANC_NUM];i++)
{
/* Write frame data to DW1000 and prepare transmission. See NOTE 7 below. */
- tx_poll_msg[ANC_TYPE_IDX] = i;
-
+ 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
-
- /* Start transmission, indicating that a response is expected so that reception is enabled automatically after the frame is sent and the delay
- * set by dwt_setrxaftertxdelay() has elapsed. */
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
start_poll = time32_incr;
/* 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(time32_incr - start_poll>20)
NVIC_SystemReset();
- UART_CheckReceive();
-
};
-
- /* Increment frame sequence number after transmission of the poll message (modulo 256). */
if(status_reg==0xffffffff)
{
NVIC_SystemReset();
}
-
if (status_reg & SYS_STATUS_RXFCG)//如果成功接收
{
- /* Clear good RX frame event and TX frame sent in the DW1000 status register. */
dwt_write32bitreg(SYS_STATUS_ID, SYS_STATUS_RXFCG | SYS_STATUS_TXFRS);//清楚寄存器标志位
-
- /* A frame has been received, read it into the local buffer. */
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
-
-
- /* Check that the frame is the expected response from the companion "DS TWR responder" example.
- * As the sequence number field of the frame is not relevant, it is cleared to simplify the validation of the frame. */
-
- if (rx_buffer[MESSAGE_TYPE_IDX] == RESPONSE&&!memcmp(&rx_buffer[TAG_ID_IDX],&dev_id,4)) //判断接收到的数据是否是response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
{
- /* Retrieve poll transmission and response reception timestamp. */
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
-
+ 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);
+ memcpy(&tagslotpos,&rx_buffer[TAGSLOTPOS],2);
tmp_time=tmp_time+450;
if(tmp_time>999)
{
@@ -394,55 +385,39 @@
{sync_timer=0;}
}
TIM3->CNT=tmp_time;
+ if(tagslotpos>max_slotpos)
+ tagslotpos=tagslotpos%(max_slotpos+1);
+ tyncpoll_time=(tagslotpos-1)*slottime;
}
- memcpy(&anchor_dist_last_frm[0], &rx_buffer[DIST_IDX], 4);
+
+ 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 timestamp is the transmission time we programmed plus the TX antenna delay. */
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
-
- /* Write all timestamps in the final message. See NOTE 10 below. */
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);
-
- /* Write and send final message. See NOTE 7 below. */
-
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++;
-
+ result=dwt_starttx(DWT_START_TX_DELAYED);//设定为延迟发送
+ tag_succ_times++;
LED0_BLINK;
-
- usart_send[2] = 1;//正常模式
- usart_send[3] = 17;//数据段长度
- usart_send[4] = frame_seq_nb;//数据段长度
- memcpy(&usart_send[5],&dev_id,2);
- memcpy(&usart_send[7],&rx_buffer[ANCHOR_ID_IDX],2);
- hex_dist = anchor_dist_last_frm[0]+(int16_t)g_com_map[DIST_OFFSET];
- memcpy(&usart_send[9],&hex_dist,4);
- usart_send[13] = battary;
- usart_send[14] = button;
- checksum = Checksum_u16(&usart_send[2],17);
- memcpy(&usart_send[19],&checksum,2);
- UART_PushFrame(usart_send,21);
-
- /* Poll DW1000 until TX frame sent event set. See NOTE 8 below. */
+ if(temp_dist<mindist)
+ {
+ 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
-
- /* Increment frame sequence number after transmission of the final message (modulo 256). */
-
random_delay_tim = 0;
}
else
@@ -452,139 +427,466 @@
}
else
{
- /* Clear RX error events in the DW1000 status register. */
- dwt_write32bitreg(SYS_STATUS_ID, SYS_STATUS_ALL_RX_ERR);
+ dwt_write32bitreg(SYS_STATUS_ID, SYS_STATUS_ALL_RX_ERR);
random_delay_tim = DFT_RAND_DLY_TIM_MS;
}
-// deca_sleep(10);
}
-// dwt_entersleep();
- if(tag_succ_times<g_com_map[MIN_REPORT_ANC_NUM])
+ if(getsync_flag==0)
{
- //poll_timer +=time32_incr&0x7+3;
+ 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];
+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);
+ start_poll = time32_incr;
+ /* 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(time32_incr - start_poll>20)
+ NVIC_SystemReset();
+ };
+ 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
+ {
+ next_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],next_nearbase_num*2);
+ //slottime=ceil((nearbase_num+2)*0.4)+2;
+ tyncpoll_time=tagslotpos*slottime;
+ tag_state=NEARPOLL;
+ }else{
+ tyncpoll_time = (tagslotpos--%max_slotpos)*slottime;
+ }
+ }else{
+ tyncpoll_time = (tagslotpos--%max_slotpos)*slottime;
+ }
+
+}
+ void NearPoll(void)
+{
+ static u8 mainbase_lost_count=0,flag_finalsend,flag_rxon;
+ uint32_t temp1,temp2,dw_systime;
+ uint32_t frame_len;
+ uint32_t final_tx_time;
+ u32 start_poll;
+ u8 i,j,getsync_flag=0,timeout;
+// printf("%d",sync_timer);
+ 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;
+ GPIO_WriteBit(GPIOA, GPIO_Pin_10, Bit_SET);
+ if(next_nearbase_num>=MAX_NEARBASE_NUM)
+ {
+ next_nearbase_num = MAX_NEARBASE_NUM-1;
+ }
+ //nearbase_num=0;
+ last_nearbase_num=next_nearbase_num;
+ nearbase_num=next_nearbase_num;
+ recbase_num=0;
+ tx_nearpoll_msg[BATTARY_IDX] = Get_Battary();
+ tx_nearpoll_msg[BUTTON_IDX] = !READ_KEY0;
+ tx_nearpoll_msg[SEQUENCE_IDX] = frame_seq_nb++;
+ tx_nearpoll_msg[NEARBASENUM_INDEX] = nearbase_num;
+ memcpy(&tx_nearpoll_msg[NEARBASEID_INDEX],&nearbaseid_list,nearbase_num*2);
+ tx_nearpoll_msg[MESSAGE_TYPE_IDX] = NEAR_POLL;
+ memcpy(&tx_nearpoll_msg[ANCHOR_ID_IDX],&mainbase_id,2);
+ dwt_writetxdata(13+2*nearbase_num, tx_nearpoll_msg, 0);//将Poll包数据传给DW1000，将在开启发送时传出去
+ dwt_writetxfctrl(13+2*nearbase_num, 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
+
+ flag_finalsend=0;
+ flag_rxon=1;
+ neartimout_timer=0;
+ get_newbase=0;
+ timeout=ceil((float)nearbase_num*SLOT_SCALE)+2;
+ //timeout=5;
+ mainbase_dist=100000;
+ mainbase_lost_count++;
+ while(neartimout_timer<timeout)
+ {
+ 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(flag_finalsend)
+ {
+ dw_systime=dwt_readsystimestamphi32();
+ if(dw_systime>temp1&&dw_systime<temp2)
+ {
+ flag_finalsend=0;
+ flag_rxon=0;
+ dwt_forcetrxoff();
+ dwt_setdelayedtrxtime(final_tx_time);
+ result=dwt_starttx(DWT_START_TX_DELAYED);//设定为延迟发送
+ #ifdef DEBUG_INF
+ USART_putc(0x33);
+ #endif
+ break;
+ }
+ }
+ if(neartimout_timer>timeout)
+ break;
+ };
+ 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
+ dwt_setrxtimeout(0);//DELAY_BETWEEN_TWO_FRAME_UUS*(nearbase_num+1-recbase_num)+10);//设定接收超时时间，0位没有超时时间
+ dwt_rxenable(0);//打开接收
+ if (rx_buffer[MESSAGE_TYPE_IDX] == NEAR_RESPONSE&&!memcmp(&rx_buffer[TAG_ID_IDX],&dev_id,2)) //判断接收到的数据是否是response数据
+ { u16 rec_nearbaseid,rec_nearbasepos;
+ int32_t temp_dist;
+ 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
+ recbase_num++;
+ memcpy(&rec_nearbaseid,&rx_buffer[ANCHOR_ID_IDX],2);
+
+ if(rec_nearbaseid==mainbase_id)
+ {
+ //////////////////////////////////时间同步
+ temp_sync_timer2=sync_timer;
+ memcpy(&temp_sync_timer1,&rx_buffer[ANCTIMEMS],2);
+ memcpy(&tmp_time,&rx_buffer[ANCTIMEUS],2);
+
+
+ if(g_com_map[DEV_ROLE]!=0)
+ {
+ sync_timer=temp_sync_timer1;
+//// memcpy(&tagslotpos,&rx_buffer[TAGSLOTPOS],2);
+//
+
+ tmp_time=tmp_time+650;
+ if(tmp_time>999)
+ {
+ tmp_time-=999;
+ sync_timer++;
+ if(sync_timer>=1000)
+ {sync_timer=0;}
+ }
+ TIM3->CNT=tmp_time;
+ }
+ current_slotnum=temp_sync_timer1/g_com_map[COM_INTERVAL];
+// if(tagslotpos>max_slotpos)
+// tagslotpos=tagslotpos%(max_slotpos+1);
+// tyncpoll_time=(tagslotpos-1)*slottime;
+ ////////////////////////////
+ #ifdef DEBUG_INF
+ USART_putc(0x31);
+ #endif
+ rec_nearbasepos=0;
+
+ memcpy(&temp_dist,&rx_buffer[DIST_IDX],4);
+ mainbase_dist = temp_dist;
+ if(temp_dist!=0x1ffff)
+ exsistbase_list[rec_nearbasepos]=KEEP_TIMES;
+
+ mainbase_lost_count=0;
+ flag_finalsend=1;
+ final_tx_time = (resp_rx_ts + ((RESP_RX_TO_FINAL_TX_DLY_UUS+DELAY_BETWEEN_TWO_FRAME_UUS*nearbase_num+500) * UUS_TO_DWT_TIME)) >> 8;
+ temp1=final_tx_time-((350*UUS_TO_DWT_TIME)>>8);
+ temp2=final_tx_time+((100*UUS_TO_DWT_TIME)>>8);
+ // 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_nearfinal_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_nearfinal_msg[FINAL_MSG_RESP_RX_NEARBASE_IDX], resp_rx_ts);
+ final_msg_set_ts(&tx_nearfinal_msg[FINAL_MSG_FINAL_TX_TS_IDX], final_tx_ts);
+ tx_nearfinal_msg[MESSAGE_TYPE_IDX]=NEAR_FINAL;
+ dwt_writetxdata(28+nearbase_num*4, tx_nearfinal_msg, 0);//将发送数据写入DW1000
+ dwt_writetxfctrl(28+nearbase_num*4, 0);//设定发送数据长度
+ memcpy(&rec_tagpos_binary,&rx_buffer[NEARMSG_EMPTYSLOTPOS_INDEX],4);
+
+ }else{
+ rec_nearbasepos=FindNearBasePos(rec_nearbaseid);
+ if(rec_nearbasepos>=last_nearbase_num) //发现新的基站
+ {
+ get_newbase=1;
+ nearbase_num++;
+ nearbaseid_list[rec_nearbasepos] = rec_nearbaseid;
+ memcpy(&tx_nearfinal_msg[ANCHOR_ID_IDX],&rec_nearbaseid,2);
+ }
+ #ifdef DEBUG_INF
+ USART_putc(0x32);
+ #endif
+ memcpy(&temp_dist,&rx_buffer[DIST_IDX],4);
+ nearbase_distlist[rec_nearbasepos]=temp_dist;
+
+ if(temp_dist!=0x1ffff)
+ exsistbase_list[rec_nearbasepos]=KEEP_TIMES;
+
+ final_msg_set_ts(&tx_nearfinal_msg[FINAL_MSG_RESP_RX_NEARBASE_IDX+(rec_nearbasepos)*4], resp_rx_ts);
+ dwt_writetxdata(28+nearbase_num*4, tx_nearfinal_msg, 0);//将发送数据写入DW1000
+ dwt_writetxfctrl(28+nearbase_num*4, 0);//设定发送数据长度
+ LED0_BLINK;
+// memcpy(&rec_tagpos_binary,&rx_buffer[NEARMSG_EMPTYSLOTPOS_INDEX],4);
+// tagslotpos=GetRandomSlotPos(rec_tagpos_binary);
+ if(temp_dist!=0x1ffff)
+ {
+ #ifdef TAG_OUTPUT
+ #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_nb;//数据段长度
+ if(g_com_map[DEV_ROLE])
+ {
+ memcpy(&usart_send[5],&dev_id,2);
+ memcpy(&usart_send[7],&rec_nearbaseid,2);
+ }else{
+ memcpy(&usart_send[5],&rec_nearbaseid,2);
+ memcpy(&usart_send[7],&dev_id,2);
+ }
+ memcpy(&usart_send[9],&rx_buffer[DIST_IDX],4);
+ usart_send[13] = battary;
+ usart_send[14] = button;
+ checksum = Checksum_u16(&usart_send[2],17);
+ memcpy(&usart_send[19],&checksum,2);
+ UART_PushFrame(usart_send,21);
+ #endif
+ #endif
+ //dwt_setdelayedtrxtime(final_tx_time);//设置final包发送时间T5
+ // result=dwt_starttx(DWT_START_TX_DELAYED);//设定为延迟发送
+ //dwt_writetxdata(4,&tx_near_msg[FINAL_MSG_RESP_RX_NEARBASE_IDX+(rec_nearbasepos+1)*4], FINAL_MSG_RESP_RX_NEARBASE_IDX+(rec_nearbasepos+1)*4);//将发送数据写入DW1000
+ }
+ }
+ }
+ }else{
+ #ifdef DEBUG_INF
+ printf("response包失败：%x/n",status_reg);
+ #endif
+ dwt_write32bitreg(SYS_STATUS_ID,SYS_STATUS_RXFCG| SYS_STATUS_ALL_RX_ERR);
+ if(flag_rxon)
+ {dwt_rxenable(0);
+ }
+ }
+ }
+ GPIO_WriteBit(GPIOA, GPIO_Pin_10, Bit_RESET);
+// 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
+// { };
+// }
+// dwt_write32bitreg(SYS_STATUS_ID, SYS_STATUS_TXFRS);//清楚标志位
+
+ dwt_write32bitreg(SYS_STATUS_ID,SYS_STATUS_RXFCG| SYS_STATUS_ALL_RX_ERR);
+ nearbase_num=recbase_num;
+ j=0;
+ if(exsistbase_list[0]==0)
+ {
+// u8 temp_adc,random_value;
+// random_value=0;
+// for(i=0;i<8;i++)
+// {
+// temp_adc=Get_ADC_Value();
+// random_value=random_value|((temp_adc&0x01)<<i);
+// }
+ tagslotpos=GetRandomSlotPos(rec_tagpos_binary|tagpos_binary);
+ tyncpoll_time = (tagslotpos--%max_slotpos)*slottime;
+ tag_state=GETNEARMSG;
+ }
+ // tyncpoll_time=0;
+ next_nearbase_num=0;
+ for(i=0;i<last_nearbase_num+get_newbase;i++)
+ {
+ if(exsistbase_list[i]>0)
+ {
+ next_nearbase_num++;
+ true_exsistbase_list[j]=exsistbase_list[i];
+ true_nearbase_idlist[j]=nearbaseid_list[i];
+ true_nearbase_distlist[j++]=nearbase_distlist[i];
+ exsistbase_list[i]--;
+ }
+ }
+
+ if(recbase_num<3)
+ {next_nearbase_num=next_nearbase_num;}
+ last_nearbase_num = next_nearbase_num;
+ for(i=0;i<last_nearbase_num-1;i++)
+ {
+ for(j=0;j<last_nearbase_num-1;j++)
+ {
+ if(true_nearbase_distlist[j]>true_nearbase_distlist[j+1])
+ {
+ u32 temp_dist,temp_id,temp_exsis;
+ temp_dist=true_nearbase_distlist[j];
+ temp_id = true_nearbase_idlist[j];
+ temp_exsis=true_exsistbase_list[i];
+ true_nearbase_distlist[j]=true_nearbase_distlist[j+1];
+ true_nearbase_idlist[j]=true_nearbase_idlist[j+1];
+ true_exsistbase_list[j]=true_exsistbase_list[j+1];
+
+ true_nearbase_distlist[j+1]=temp_dist;
+ true_nearbase_idlist[j+1]=temp_id;
+ true_exsistbase_list[j+1]=temp_exsis;
+ }
+ }
+ }
+
+ report_num=0;
+
+ for(i=0;i<MAX_NEARBASE_NUM;i++)
+ {
+ nearbase_distlist[i]=0x1ffff;
+ }
+
+ // printf("%d,%d",temp_sync_timer2,temp_sync_timer1);
+ #ifdef USART_INTEGRATE_OUTPUT
+ usart_send[2] = 4;//正常模式
+ usart_send[3] = report_num*6+2;//正常模式
+ checksum = Checksum_u16(&usart_send[2],report_num*6+2);
+ memcpy(&usart_send[4+report_num*6],&checksum,2);
+ UART_PushFrame(usart_send,6+report_num*6);
+ #endif
+ #ifdef DEBUG_INF
+ printf("序号：%d,基站数量：%d/n",(frame_seq_nb-1)&0xff,nearbase_num);
+ #endif
+// if(mainbase_lost_count>5)
+// {
+// //tag_state=DISCPOLL;
+// }
+// NearAncSelect();
+// if(recbase_num<g_com_map[MIN_REPORT_ANC_NUM] )
+// {
+// anclost_times++;
+// if(anclost_times>3)
+// {
+// tagslotpos=poll_tx_ts%(max_slotpos+1);
+// }
+// }else{
+// anclost_times=0;
+// }
+dwt_forcetrxoff();
+ dwt_write32bitreg(SYS_STATUS_ID, SYS_STATUS_ALL_RX_ERR| SYS_STATUS_TXFRS |SYS_STATUS_RXFCG);
+}
+
+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)
+ {
+ case DISCPOLL:
+ Poll();
+ break;
+ case GETNEARMSG:
+ GetNearMsg();
+ break;
+ case NEARPOLL:
+ NearPoll();
+ break;
}
- /* Execute a delay between ranging exchanges. */
-
+ SetNextPollTime(tyncpoll_time);
+ g_start_send_flag = 0;
+ GPIO_WriteBit(GPIOA, GPIO_Pin_10, Bit_RESET);
}
-int8_t correction_time;
+
+int8_t correction_time,new_tagid=0;
extern uint8_t sync_seq;
-
-void Anchor_App(void)
+u16 taglist_num=0,taglist_pos;
+u16 tagid_list[TAG_NUM_IN_SYS];
+u8 tagofflinetime[TAG_NUM_IN_SYS];
+int32_t tagdist_list[TAG_NUM_IN_SYS];
+void TagListUpdate(void)
{
- uint32_t frame_len;
- uint32_t resp_tx_time;
-
- /* 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
-
- /* Activate reception immediately. */
- dwt_rxenable(0);//打开接收
-
- /* Poll for reception of a frame or error/timeout. See NOTE 7 below. */
- while (!((status_reg = dwt_read32bitreg(SYS_STATUS_ID)) & (SYS_STATUS_RXFCG | SYS_STATUS_ALL_RX_ERR))&&!g_start_send_flag&&!g_start_sync_flag)//不断查询芯片状态直到接收成功或者出现错误
- {
- IdleTask();
- g_Resttimer=0;
- };
-
- if (status_reg & SYS_STATUS_RXFCG)//成功接收
- { u16 tag_recv_interval;
- /* Clear good RX frame event in the DW1000 status register. */
- dwt_write32bitreg(SYS_STATUS_ID, SYS_STATUS_RXFCG);//清除标志位
-
- /* A frame has been received, read it into the local buffer. */
- 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
-
-
- /* Check that the frame is a poll sent by "DS TWR initiator" example.
- * As the sequence number field of the frame is not relevant, it is cleared to simplify the validation of the frame. */
-
-
- //将收到的tag_id分别写入各次通讯的包中，为多标签通讯服务，防止一次通讯中接收到不同ID标签的数据
- //tag_id_recv = rx_buffer[TAG_ID_IDX];
- memcpy(&tag_id_recv,&rx_buffer[TAG_ID_IDX],4);
- memcpy(&tx_resp_msg[TAG_ID_IDX],&tag_id_recv,4);
- //tx_resp_msg[TAG_ID_IDX] = tag_id_recv;
-// if(tag_recv_timer>tag_time_recv[tag_id_recv-TAG_ID_START])
-// { tag_recv_interval = tag_recv_timer - tag_time_recv[tag_id_recv];
-// }else{
-// tag_recv_interval = tag_recv_timer + 65535 - tag_time_recv[tag_id_recv];
-// }
-
- if (rx_buffer[MESSAGE_TYPE_IDX] == POLL&&(anchor_type == rx_buffer[ANC_TYPE_IDX])) //判断是否是poll包数据
+ u16 i,j=0,temp[TAG_NUM_IN_SYS];
+ for(i=0;i<taglist_num;i++)
+ {
+ if(tagofflinetime[i]++<QUIT_SLOT_TIME)
{
+ tagid_list[j]=tagid_list[i];
+ tagofflinetime[j++]=tagofflinetime[i];
+ }
+ }
+ taglist_num=j;
+}
+u16 CmpTagInList(u16 tagid)
+{u16 i;
+ for(i=0;i<taglist_num;i++)
+ {
+ if(memcmp(&tagid,&tagid_list[i],2)==0)
+ break;
+ }
+ return i;
+}
+uint32_t frame_len;
+uint32_t resp_tx_time;
+uint8_t rec_nearbase_num,anc_report_num;
+void Anchor_RecPoll(void)
+{
tmp_time=TIM3->CNT;
memcpy(&tx_resp_msg[ANCTIMEMS],&sync_timer,2);
memcpy(&tx_resp_msg[ANCTIMEUS],&tmp_time,2);
-
-// if(correction_time>10)
-// {correction_time++;}
-
- /* Retrieve poll reception timestamp. */
+ memcpy(&tx_resp_msg[TAGSLOTPOS],&taglist_pos,1);
+
poll_rx_ts = get_rx_timestamp_u64();//获得Poll包接收时间T2
- /* Set send time for response. See NOTE 8 below. */
resp_tx_time = (poll_rx_ts + (POLL_RX_TO_RESP_TX_DLY_UUS * UUS_TO_DWT_TIME)) >> 8;//计算Response发送时间T3。
dwt_setdelayedtrxtime(resp_tx_time);//设置Response发送时间T3
-
- /* Set expected delay and timeout for final message reception. */
dwt_setrxaftertxdelay(RESP_TX_TO_FINAL_RX_DLY_UUS);//设置发送完成后开启接收延迟时间
dwt_setrxtimeout(FINAL_RX_TIMEOUT_UUS);//接收超时时间
-
- /* Write and send the response message. See NOTE 9 below.*/
- if(tag_id_recv-TAG_ID_START<=TAG_NUM_IN_SYS)
- memcpy(&tx_resp_msg[DIST_IDX], &anchor_dist_last_frm[tag_id_recv-TAG_ID_START], 4);
-
+
+ memcpy(&tx_resp_msg[DIST_IDX], &tagdist_list[taglist_pos], 4);
+ memcpy(&tx_resp_msg[TAG_ID_IDX],&tag_id_recv,2);
+
dwt_writetxdata(sizeof(tx_resp_msg), tx_resp_msg, 0);//写入发送数据
dwt_writetxfctrl(sizeof(tx_resp_msg), 0);//设定发送长度
result = dwt_starttx(DWT_START_TX_DELAYED | DWT_RESPONSE_EXPECTED);//延迟发送，等待接收
battary = rx_buffer[BATTARY_IDX];
button = rx_buffer[BUTTON_IDX];
- frame_seq_nb = rx_buffer[SEQUENCE_IDX];
- /* We assume that the transmission is achieved correctly, now poll for reception of expected "final" frame or error/timeout.
- * See NOTE 7 below. */
+ frame_seq_nb2 = rx_buffer[SEQUENCE_IDX];
if(result==0)
{
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接收成功或者出现错误
{ };
}
- /* Increment frame sequence number after transmission of the response message (modulo 256). */
-
if (status_reg & SYS_STATUS_RXFCG)//接收成功
{
- /* Clear good RX frame event and TX frame sent in the DW1000 status register. */
dwt_write32bitreg(SYS_STATUS_ID, SYS_STATUS_RXFCG | SYS_STATUS_TXFRS);//清楚标志位
-
- /* A frame has been received, read it into the local buffer. */
frame_len = dwt_read32bitreg(RX_FINFO_ID) & RX_FINFO_RXFLEN_MASK;//数据长度
-
dwt_readrxdata(rx_buffer, frame_len, 0);//读取接收数据
-
-
- /* Check that the frame is a final message sent by "DS TWR initiator" example.
- * As the sequence number field of the frame is not used in this example, it can be zeroed to ease the validation of the frame. */
-
- if (rx_buffer[MESSAGE_TYPE_IDX] == FINAL&&!memcmp(&rx_buffer[TAG_ID_IDX],&tag_id_recv,4)&&!memcmp(&rx_buffer[ANCHOR_ID_IDX],&dev_id,4)) //判断是否为Final包
+ if (rx_buffer[MESSAGE_TYPE_IDX] == FINAL&&!memcmp(&rx_buffer[TAG_ID_IDX],&tag_id_recv,2)) //判断是否为Final包
{
uint32_t poll_tx_ts, resp_rx_ts, final_tx_ts;
uint32_t poll_rx_ts_32, resp_tx_ts_32, final_rx_ts_32;
double Ra, Rb, Da, Db;
int64_t tof_dtu;
-
- /* Retrieve response transmission and final reception timestamps. */
resp_tx_ts = get_tx_timestamp_u64();//获得response发送时间T3
final_rx_ts = get_rx_timestamp_u64();//获得final接收时间T6
-
- /* Get timestamps embedded in the final message. */
final_msg_get_ts(&rx_buffer[FINAL_MSG_POLL_TX_TS_IDX], &poll_tx_ts);//从接收数据中读取T1，T4，T5
final_msg_get_ts(&rx_buffer[FINAL_MSG_RESP_RX_TS_IDX], &resp_rx_ts);
final_msg_get_ts(&rx_buffer[FINAL_MSG_FINAL_TX_TS_IDX], &final_tx_ts);
-
- /* Compute time of flight. 32-bit subtractions give correct answers even if clock has wrapped. See NOTE 10 below. */
poll_rx_ts_32 = (uint32_t)poll_rx_ts;//使用32位数据计算
resp_tx_ts_32 = (uint32_t)resp_tx_ts;
final_rx_ts_32 = (uint32_t)final_rx_ts;
@@ -593,63 +895,349 @@
Da = (double)(final_tx_ts - resp_rx_ts);//Treply2 = T5 - T4
Db = (double)(resp_tx_ts_32 - poll_rx_ts_32);//Treply1 = T3 - T2
tof_dtu = (int64_t)((Ra * Rb - Da * Db) / (Ra + Rb + Da + Db));//计算公式
-
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[TAG_ID] = LP(dis, TAG_ID); //LP 为低通滤波器，让数据更稳定
-
+ dist_cm = dist_no_bias * 100; //dis 为单位为cm的距离
/*--------------------------以下为非测距逻辑------------------------*/
- LED0_BLINK; //每成功一次通讯则闪烁一次
- g_UWB_com_interval = 0;
- dis_after_filter=dist_cm;
- hex_dist = (int16_t)(dist_cm+g_com_map[DIST_OFFSET]);
- if(tag_id_recv-TAG_ID_START<=TAG_NUM_IN_SYS)
- 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;
- }
- his_dist[tag_id_recv-TAG_ID_START]=hex_dist;
-
- usart_send[2] = 1;//正常模式
- usart_send[3] = 17;//数据段长度
- usart_send[4] = frame_seq_nb;//数据段长度
- memcpy(&usart_send[5],&tag_id_recv,2);
- memcpy(&usart_send[7],&dev_id,2);
+ //dist_cm=33000;
- memcpy(&usart_send[9],&anchor_dist_last_frm[tag_id_recv-TAG_ID_START],4);
+ 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];
+ if(abs(hex_dist-his_dist[taglist_pos])<1000)
+ {
+ tagdist_list[taglist_pos] = hex_dist;
+ }
+ his_dist[taglist_pos]=hex_dist;
+ }
+ }else{
+ dwt_write32bitreg(SYS_STATUS_ID, SYS_STATUS_ALL_RX_ERR);
+ }
+}
+uint32_t time_monitor[10];
+extern uint16_t configremotetagID;
+extern u8 remotetag_paralen;
+u8 misdist_num[TAG_NUM_IN_SYS],seize_anchor,waittagconfig_reponse;
+u8 Anchor_RecNearPoll(u8 ancrec_nearbasepos) //0 mainbase 1 first near_base
+{
+ u8 motorstate;
+ time_monitor[0] = sync_timer*1000+TIM3->CNT;
+ tmp_time=TIM3->CNT;
+ memcpy(&tx_nearresp_msg[ANCTIMEMS],&sync_timer,2);
+ memcpy(&tx_nearresp_msg[ANCTIMEUS],&tmp_time,2);
+ memcpy(&tx_nearresp_msg[TAGSLOTPOS],&taglist_pos,2);
+ memcpy(&tx_nearresp_msg[TAG_ID_IDX],&tag_id_recv,2);
+ poll_rx_ts = get_rx_timestamp_u64();//获得Poll包接收时间T2
+
+ resp_tx_time = (poll_rx_ts + ((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。
+ dwt_setdelayedtrxtime(resp_tx_time);//设置Response发送时间T3
+ dwt_setrxaftertxdelay(RESP_TX_TO_FINAL_RX_DLY_UUS+(rec_nearbase_num+1-ancrec_nearbasepos)*DELAY_BETWEEN_TWO_FRAME_UUS);//设置发送完成后开启接收延迟时间
+ dwt_setrxtimeout(FINAL_RX_TIMEOUT_UUS);//接收超时时间
+ dwt_readdiagnostics(&d1);
+ if(tagdist_list[taglist_pos]<g_com_map[ALARM_DISTANCE1])
+ {
+ motorstate =0;
+ }else if(tagdist_list[taglist_pos]<g_com_map[ALARM_DISTANCE2])
+ {
+ motorstate =2;
+ }else if(tagdist_list[taglist_pos]<g_com_map[ALARM_DISTANCE3])
+ {
+ motorstate =1;
+ }else{
+ motorstate =0;
+ }
+
+ if(new_tagid)
+ {
+ tagdist_list[taglist_pos]=0x1ffff;
+ memcpy(&tx_nearresp_msg[DIST_IDX], &tagdist_list[taglist_pos], 4);
+ }else{
+ memcpy(&tx_nearresp_msg[DIST_IDX], &tagdist_list[taglist_pos], 4);
+ }
+ tx_nearresp_msg[MAINBASE_INDEX]=flag_syncbase;
+ tx_nearresp_msg[MESSAGE_TYPE_IDX]=NEAR_RESPONSE;
+ tx_nearresp_msg[MOTORSTATE_INDEX]=(remotesend_state<<4)|motorstate;
+ waittagconfig_reponse=0;
+ if(pwtag.remain_time>0)
+ {uint8_t i;
+ for(i=0;i<pwtag.groupnum;i++)
+ {
+ if(pwtag.groupid[i][0]<=tag_id_recv&&tag_id_recv<=pwtag.groupid[i][1])
+ {
+ remotesend_state=1;
+ tx_nearresp_msg[MOTORSTATE_INDEX]=(remotesend_state<<4)|motorstate;
+ remotetag_paralen = 2+3;
+ remotetag_para[0] = 2;
+ remotetag_para[1] = 6;
+ remotetag_para[2] = 2;
+ memcpy(&remotetag_para[3],&pwtag.group_interval[i],2);
+ memcpy(&tx_nearresp_msg[REMOTEPARA_INDEX],remotetag_para,remotetag_paralen);
+ dwt_writetxdata(22+remotetag_paralen, tx_nearresp_msg, 0);//写入发送数据
+ dwt_writetxfctrl(22+remotetag_paralen, 0);//设定发送长度
+ remotesend_state=0;
+ break;
+ }
+ }
+
+ }else{
+ dwt_writetxdata(22, tx_nearresp_msg, 0);//写入发送数据
+ dwt_writetxfctrl(22, 0);//设定发送长度
+ }
+
+// if(remotesend_state&&tag_id_recv==configremotetagID)
+// {
+// memcpy(&tx_nearresp_msg[REMOTEPARA_INDEX],remotetag_para,remotetag_paralen);
+// dwt_writetxdata(22+remotetag_paralen, tx_nearresp_msg, 0);//写入发送数据
+// dwt_writetxfctrl(22+remotetag_paralen, 0);//设定发送长度
+// waittagconfig_reponse=1;
+// }else{
+
+ result = dwt_starttx(DWT_START_TX_DELAYED | DWT_RESPONSE_EXPECTED);//延迟发送，等待接收
+
+ battary = rx_buffer[BATTARY_IDX];
+ button = rx_buffer[BUTTON_IDX];
+ frame_seq_nb2 = rx_buffer[SEQUENCE_IDX];
+ if(result==0)
+ {
+ while (!((status_reg = dwt_read32bitreg(SYS_STATUS_ID)) & (SYS_STATUS_RXFCG | SYS_STATUS_ALL_RX_ERR))&&!g_start_sync_flag)///不断查询芯片状态直到接收成功或者出现错误
+ { };
+ }else{
+ result++;
+ }
+
+ if (status_reg & SYS_STATUS_RXFCG)//接收成功
+ {
+
+ dwt_write32bitreg(SYS_STATUS_ID, SYS_STATUS_RXFCG | SYS_STATUS_TXFRS);//清楚标志位
+ frame_len = dwt_read32bitreg(RX_FINFO_ID) & RX_FINFO_RXFLEN_MASK;//数据长度
+ dwt_readrxdata(rx_buffer, frame_len, 0);//读取接收数据
+ if(seize_anchor&&memcmp(&rx_buffer[ANCHOR_ID_IDX],&dev_id,2)) //抢占anchor 失败
+ {
+ return 1;
+ }
+ if (rx_buffer[MESSAGE_TYPE_IDX] == NEAR_FINAL&&!memcmp(&rx_buffer[TAG_ID_IDX],&tag_id_recv,2)) //判断是否为Final包
+ {
+ uint32_t poll_tx_ts, resp_rx_ts, final_tx_ts;
+ uint32_t poll_rx_ts_32, resp_tx_ts_32, final_rx_ts_32;
+ double Ra, Rb, Da, Db;
+ int64_t tof_dtu;
+ resp_tx_ts = get_tx_timestamp_u64();//获得response发送时间T3
+ final_rx_ts = get_rx_timestamp_u64();//获得final接收时间T6
+
+ dwt_setrxtimeout(0);//设定接收超时时间，0位没有超时时间
+ dwt_rxenable(0);//打开接收
+
+ final_msg_get_ts(&rx_buffer[FINAL_MSG_POLL_TX_TS_IDX], &poll_tx_ts);//从接收数据中读取T1，T4，T5
+ final_msg_get_ts(&rx_buffer[FINAL_MSG_RESP_RX_NEARBASE_IDX+ancrec_nearbasepos*4], &resp_rx_ts);
+ final_msg_get_ts(&rx_buffer[FINAL_MSG_FINAL_TX_TS_IDX], &final_tx_ts);
+
+ poll_rx_ts_32 = (uint32_t)poll_rx_ts;//使用32位数据计算
+ resp_tx_ts_32 = (uint32_t)resp_tx_ts;
+ final_rx_ts_32 = (uint32_t)final_rx_ts;
+ time_monitor[1] = sync_timer*1000+TIM3->CNT;
+ Ra = (double)(resp_rx_ts - poll_tx_ts);//Tround1 = T4 - T1
+ Rb = (double)(final_rx_ts_32 - resp_tx_ts_32);//Tround2 = T6 - T3
+ Da = (double)(final_tx_ts - resp_rx_ts);//Treply2 = T5 - T4
+ Db = (double)(resp_tx_ts_32 - poll_rx_ts_32);//Treply1 = T3 - T2
+ tof_dtu = (int64_t)((Ra * Rb - Da * Db) / (Ra + Rb + Da + Db));//计算公式
+ 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
+// dwt_readdiagnostics(&d1);
+// time_monitor[2] = sync_timer*1000+TIM3->CNT;
+// LOS(&d1);
+// time_monitor[3] = sync_timer*1000+TIM3->CNT;
+ /*--------------------------以下为非测距逻辑------------------------*/
+ //dist_cm=33000;
+
+ 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];
+ 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)
+ {
+ misdist_num[taglist_pos]=0;
+ tagdist_list[taglist_pos] = hex_dist;
+ his_dist[taglist_pos]=hex_dist;
+ g_Tagdist[taglist_pos]=hex_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
+ memcpy(&usart_send[5],&tag_id_recv,2);
+ memcpy(&usart_send[7],&dev_id,2);
+ memcpy(&usart_send[9],&tagdist_list[taglist_pos],4);
usart_send[13] = battary;
usart_send[14] = button;
checksum = Checksum_u16(&usart_send[2],17);
memcpy(&usart_send[19],&checksum,2);
UART_PushFrame(usart_send,21);
-
-
- //dis_after_filter = LP_Frac_Update(p_Dis_Filter, dist_cm);
-
+ #else
+ memcpy(&usart_send_anc[4+6*anc_report_num],&tag_id_recv,2);
+ memcpy(&usart_send_anc[6+6*anc_report_num],&tagdist_list[taglist_pos],4);
+ anc_report_num++;
+ #endif
+ #ifdef DEBUG_INF
+ printf("序号：%d\r\n",frame_seq_nb2);
+ #endif
+ }else{
+ // printf("%d",hex_dist);
+ misdist_num[taglist_pos]++;
+ }
}
+ if(rx_buffer[TAGCONFIGSUCCESS_INDEX]==1&&waittagconfig_reponse)
+ {
+ waittagconfig_reponse = 0;
+ remotesend_state = 0;
+ usart_send[2] = 7;//正常模式
+ usart_send[3] = 5;//数据段长度
+ memcpy(&usart_send[4],&tag_id_recv,2);
+ usart_send[6] = 1;//数据段长度
+ checksum = Checksum_u16(&usart_send[2],5);
+ memcpy(&usart_send[7],&checksum,2);
+ UART_PushFrame(usart_send,9);
+ }
+ }
}else{
- /* Clear RX error events in the DW1000 status register. */
+ #ifdef DEBUG_INF
+ printf("final包失败：%x/n",status_reg);
+ #endif
dwt_write32bitreg(SYS_STATUS_ID, SYS_STATUS_ALL_RX_ERR);
}
- }else if(rx_buffer[MESSAGE_TYPE_IDX] == SYNC)
+}
+uint32_t current_syncid=0xffffffff,synclost_timer;
+extern u8 flag_syncbase;
+u8 tagpos_rec[50],tagpos_send[50],ancidlist_num;
+u16 ancidlist_rec[20],ancidlist_send[20];
+void Anchor_App(void)
+{
+
+ u8 send_len,i;
+ u16 tempid;
+ uint32_t rec_syncid;
+
+ dwt_write32bitreg(SYS_STATUS_ID, SYS_STATUS_ALL_RX_ERR| SYS_STATUS_TXFRS |SYS_STATUS_RXFCG);
+ g_start_sync_flag=0;
+
+ dwt_setrxtimeout(0);//设定接收超时时间，0位没有超时时间
+ dwt_rxenable(0);//打开接收
+// GPIO_WriteBit(GPIOA, GPIO_Pin_10, Bit_SET);
+ while (!((status_reg = dwt_read32bitreg(SYS_STATUS_ID)) & (SYS_STATUS_RXFCG | SYS_STATUS_ALL_RX_ERR))&&!g_start_send_flag&&!g_start_sync_flag)//不断查询芯片状态直到接收成功或者出现错误
+ {
+ IdleTask();
+ };
+//GPIO_WriteBit(GPIOA, GPIO_Pin_10, Bit_RESET);
+ if (status_reg & SYS_STATUS_RXFCG)//成功接收
+ { u16 tag_recv_interval;
+ float temp_tagpos;
+
+ 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
+ memcpy(&anc_id_recv,&rx_buffer[ANCHOR_ID_IDX],2);
+ //将收到的tag_id分别写入各次通讯的包中，为多标签通讯服务，防止一次通讯中接收到不同ID标签的数据
+ memcpy(&tag_id_recv,&rx_buffer[TAG_ID_IDX],2);
+ switch(rx_buffer[MESSAGE_TYPE_IDX])
{
- if(rx_buffer[SYNC_SEQ_IDX]<sync_seq)
- // if(rx_buffer[SYNC_SEQ_IDX]==2)
+ case POLL:
+ if (anchor_type == rx_buffer[ANC_TYPE_IDX])
+ Anchor_RecPoll();
+ break;
+ case SYNC:
+ memcpy(&rec_syncid,&rx_buffer[ANCHOR_ID_IDX],4);
+ if(rec_syncid<current_syncid)
+ {
+ current_syncid=rec_syncid;
+ flag_syncbase=0;
+ sync_seq=rx_buffer[SYNC_SEQ_IDX]+1;
+ TIM3->CNT = sync_seq*325%1000+15;
+ sync_timer = sync_seq*325/1000;
+ synclost_timer=0;
+ //SyncPoll(sync_seq,rec_syncid);
+ }else if(rec_syncid==current_syncid)
+ {
+ if(rx_buffer[SYNC_SEQ_IDX]<sync_seq)
+ {
+ flag_syncbase=0;
+ sync_seq=rx_buffer[SYNC_SEQ_IDX]+1;
+ TIM3->CNT = sync_seq*325%1000+5;
+ sync_timer = sync_seq*325/1000+995;
+ synclost_timer=0;
+ //SyncPoll(sync_seq,rec_syncid);
+ }
+
+ }
+ break;
+ case NEAR_MSG:
+ if(anc_id_recv==dev_id)
+ {
+ rx_buffer[TAGSLOTPOS]=taglist_pos;
+ tx_near_msg[MESSAGE_TYPE_IDX] = NEAR_MSG;
+ memcpy(&tx_near_msg[TAG_ID_IDX],&tag_id_recv,2);
+ memcpy(&tx_near_msg[NEARMSG_EMPTYSLOTPOS_INDEX],&tagpos_binary,4);
+ ancidlist_num=g_com_map[NEARBASE_NUM];
+ tx_near_msg[NEARBASENUM_INDEX]=g_com_map[NEARBASE_NUM];
+ memcpy(&tx_near_msg[NEARBASEID_INDEX],&g_com_map[NEARBASE_ID1],g_com_map[NEARBASE_NUM]*2);
+ send_len=11+ancidlist_num*2+2;
+ dwt_writetxdata(send_len, tx_near_msg, 0);//将Poll包数据传给DW1000，将在开启发送时传出去
+ dwt_writetxfctrl(send_len, 0);//设置超宽带发送数据长度
+ dwt_starttx(DWT_START_TX_IMMEDIATE);
+ }
+ break;
+
+ case NEAR_POLL:
+ memcpy(&tag_id_recv,&rx_buffer[TAG_ID_IDX],2);
+ taglist_pos=CmpTagInList(tag_id_recv);
+ if(taglist_pos==taglist_num)
+ {
+ taglist_pos=taglist_num;
+ tagid_list[taglist_num++]=tag_id_recv;
+
+ new_tagid=1;
+ }else{
+ new_tagid=0;
+ }
+ tagofflinetime[taglist_pos]=0;
+ temp_tagpos=round((float)(sync_timer%g_com_map[COM_INTERVAL])/slottime);
+ tagpos_rec[(u8)temp_tagpos]=1;
+ rec_nearbase_num=rx_buffer[NEARBASENUM_INDEX];
+
+
+ if(anc_id_recv==dev_id)
{
- sync_seq=rx_buffer[SYNC_SEQ_IDX]+1;
- TIM3->CNT = sync_seq*325%1000+15;
- sync_timer = sync_seq*325/1000;
- SyncPoll(sync_seq);
+ Anchor_RecNearPoll(0);
+ }else{
+
+ for(i=0;i<rec_nearbase_num;i++)
+ {
+ memcpy(&tempid,&rx_buffer[NEARBASEID_INDEX+i*2],2);
+ if(tempid==dev_id)
+ {
+ seize_anchor=0; //非抢占。已存在列表中
+ Anchor_RecNearPoll(i+1);
+ break;
+ }
+ }
}
- }
- }
- else
- {
- /* Clear RX error events in the DW1000 status register. */
+ //抢占模式
+// if(i==rec_nearbase_num)
+// {
+// seize_anchor=1; //抢占anchor
+// Anchor_RecNearPoll(i);
+// }
+
+
+ break;
+ }
+ }else{
+ #ifdef DEBUG_INF
+ printf("poll包失败：%x/n",status_reg);
+ #endif
dwt_write32bitreg(SYS_STATUS_ID, SYS_STATUS_ALL_RX_ERR);
}
}
--
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