From 477554cd05c061057dc634ba703415305628b07a Mon Sep 17 00:00:00 2001
From: zhyinch <zhyinch@gmail.com>
Date: 星期五, 26 六月 2020 19:02:48 +0800
Subject: [PATCH] 修改slottime
---
源码/核心板/Src/application/dw_app.c | 370 +++++++++++++++++++++++++++++++---------------------
1 files changed, 222 insertions(+), 148 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 e5cbeb5..6b1ce81 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"
@@ -5,7 +5,7 @@
DISCPOLL,
GETNEARMSG,
NEARPOLL,
-}tag_state;
+}tag_state=GETNEARMSG;
static dwt_config_t config = {
2, /* Channel number. */
DWT_PRF_64M, /* Pulse repetition frequency. */
@@ -25,6 +25,8 @@
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};
static uint32_t frame_seq_nb = 0;
static uint32_t status_reg = 0;
@@ -206,7 +208,24 @@
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;
+void SetNextPollTime(u16 time)
+{
+ if(current_slotnum>=total_slotnum)
+ current_slotnum-=total_slotnum;
+ //time=5;
+ target_time=((current_slotnum*g_com_map[COM_INTERVAL])+time);
+ if(target_time>=990&&target_time<1000)
+ {
+ current_slotnum++;
+ target_time+=g_com_map[COM_INTERVAL];
+ }
+ if(target_time>=1000)
+ {target_time-=1000;}
+ if(target_time<0)
+ {target_time+=1000;}
+}
u8 FindNearBasePos(u16 baseid)
{
u8 i;
@@ -219,41 +238,74 @@
}
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++)
+//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++)
{
- if(nearbase_mindist>nearbase_distlist[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)
{
- nearbase_mindist=nearbase_distlist[i];
- nearbase_minpos=i;
+ return i;
}
}
- if(nearbase_mindist<mainbase_dist-THRESHOLD_CHANGE_MAINBASE_DIST)
+
+ for(i=1;i<max_slotpos;i++)
{
- if(last_mainbase_id==nearbaseid_list[nearbase_minpos])
+ if(((emptyslot>>i)&0x1)==0)
{
- change_base_count++;
- if(change_base_count>CHANGE_BASE_THRESHOLD)
- {
- mainbase_id=last_mainbase_id;
- tag_state=GETNEARMSG;
- }
- }else{
- change_base_count=0;
+ return i;
}
- last_mainbase_id=nearbaseid_list[nearbase_minpos];
- }else{
- change_base_count=0;
}
+return max_slotpos-1;
}
u8 test=0;
u8 anclost_times=0;
-u8 exsistbase_list[MAX_NEARBASE_NUM],report_num,get_newbase=0;;
+u8 exsistbase_list[MAX_NEARBASE_NUM],report_num,get_newbase=0;
u16 temp_sync_timer1,temp_sync_timer2;
-void NearPoll(void)
+u32 rec_tagpos_binary;
+extern uint32_t tagpos_binary;
+ void NearPoll(void)
{
static u8 mainbase_lost_count=0,flag_finalsend,flag_rxon;
uint32_t temp1,temp2,dw_systime;
@@ -262,7 +314,6 @@
u32 start_poll;
u8 i,j,getsync_flag=0,timeout;
// printf("%d",sync_timer);
- dwt_forcetrxoff();
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;
@@ -290,7 +341,7 @@
flag_rxon=1;
neartimout_timer=0;
get_newbase=0;
- timeout=ceil((float)nearbase_num/4)+2;
+ timeout=ceil((float)nearbase_num*0.4)+2;
//timeout=5;
mainbase_dist=100000;
mainbase_lost_count++;
@@ -345,11 +396,15 @@
temp_sync_timer2=sync_timer;
memcpy(&temp_sync_timer1,&rx_buffer[ANCTIMEMS],2);
memcpy(&tmp_time,&rx_buffer[ANCTIMEUS],2);
- sync_timer=temp_sync_timer1;
exsistbase_list[0]=KEEP_TIMES;
+
+ if(g_com_map[DEV_ROLE]!=0)
+ {
+ sync_timer=temp_sync_timer1;
//// memcpy(&tagslotpos,&rx_buffer[TAGSLOTPOS],2);
//
- tmp_time=tmp_time+650;
+
+ tmp_time=tmp_time+650;
if(tmp_time>999)
{
tmp_time-=999;
@@ -358,13 +413,13 @@
{sync_timer=0;}
}
TIM3->CNT=tmp_time;
-
+ }
// if(tagslotpos>max_slotpos)
// tagslotpos=tagslotpos%(max_slotpos+1);
// tyncpoll_time=(tagslotpos-1)*slottime;
////////////////////////////
rec_nearbasepos=0;
- exsistbase_list[rec_nearbasepos]=10;
+ exsistbase_list[rec_nearbasepos]=KEEP_TIMES;
memcpy(&temp_dist,&rx_buffer[DIST_IDX],4);
nearbase_distlist[rec_nearbasepos]=temp_dist;
@@ -381,23 +436,10 @@
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
- if(temp_dist!=0x1ffff)
- {
- #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
- memcpy(&usart_send[5],&dev_id,2);
- memcpy(&usart_send[7],&rec_nearbaseid,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
- }
- //result=dwt_starttx(DWT_START_TX_DELAYED);//设定为延迟发送
+ 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
@@ -416,6 +458,8 @@
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)
{
#ifndef USART_INTEGRATE_OUTPUT
@@ -458,22 +502,22 @@
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);
- }
- tyncpoll_time=(random_value%max_slotpos)*slottime;
+// 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;
}
// 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];
@@ -524,13 +568,13 @@
}
// 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 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
// if(mainbase_lost_count>5)
// {
// //tag_state=DISCPOLL;
@@ -546,56 +590,80 @@
// }else{
// anclost_times=0;
// }
-
- dwt_write32bitreg(SYS_STATUS_ID, SYS_STATUS_ALL_RX_ERR);
-
-
+dwt_forcetrxoff();
+ dwt_write32bitreg(SYS_STATUS_ID, SYS_STATUS_ALL_RX_ERR| SYS_STATUS_TXFRS |SYS_STATUS_RXFCG);
}
-
-//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
-// {
-// nearbase_num=rx_buffer[NEARBASENUM_INDEX];
-// 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;
-// }
-// }
-//}
+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);
+ 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;
+ }
+
+}
void Tag_App(void)//发送模式(TAG标签)
{
//LED0_ON;
+ dwt_forcetrxoff();
g_Resttimer=0;
- NearPoll();
+ GPIO_WriteBit(GPIOA, GPIO_Pin_10, Bit_SET);
+ switch(tag_state)
+ {
+ case DISCPOLL:
+
+ break;
+ case GETNEARMSG:
+ GetNearMsg();
+ break;
+ case NEARPOLL:
+ NearPoll();
+ break;
+ }
+ current_slotnum++;
+ SetNextPollTime(tyncpoll_time);
+ GPIO_WriteBit(GPIOA, GPIO_Pin_10, Bit_RESET);
}
int8_t correction_time,new_tagid=0;
@@ -702,7 +770,7 @@
dwt_write32bitreg(SYS_STATUS_ID, SYS_STATUS_ALL_RX_ERR);
}
}
-u8 misdist_num,seize_anchor;
+u8 misdist_num[TAG_NUM_IN_SYS],seize_anchor;
u8 Anchor_RecNearPoll(u8 ancrec_nearbasepos) //0 mainbase 1 first near_base
{
tmp_time=TIM3->CNT;
@@ -785,11 +853,12 @@
g_flag_Taggetdist[taglist_pos]=0;
if(hex_dist>-1000&&hex_dist<100000)
{
- if(abs(hex_dist-his_dist[taglist_pos])<1500||misdist_num>3)
+ if(abs(hex_dist-his_dist[taglist_pos])<1500||misdist_num[taglist_pos]>3)
{
- misdist_num=0;
+ 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
@@ -809,19 +878,19 @@
#endif
}else{
// printf("%d",hex_dist);
- misdist_num++;
+ misdist_num[taglist_pos]++;
}
}
}
-
}else{
//printf("%x/n",status_reg);
dwt_write32bitreg(SYS_STATUS_ID, SYS_STATUS_ALL_RX_ERR);
}
-
}
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)
{
@@ -829,32 +898,35 @@
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();
- g_Resttimer=0;
};
-
+//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
- //tag_id_recv = rx_buffer[TAG_ID_IDX];
+ tag_id_recv = rx_buffer[TAG_ID_IDX];
switch(rx_buffer[MESSAGE_TYPE_IDX])
{
// case POLL:
// if (anchor_type == rx_buffer[ANC_TYPE_IDX])
// Anchor_RecPoll();
// break;
- case SYNC:
-
+ case SYNC:
memcpy(&rec_syncid,&rx_buffer[ANCHOR_ID_IDX],4);
if(rec_syncid<current_syncid)
{
@@ -879,25 +951,24 @@
}
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);
-// 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+g_com_map[NEARBASE_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:
-
+ case NEAR_MSG:
+ if(anc_id_recv==flag_syncbase)
+ {
+ 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);
+ tx_near_msg[NEARBASENUM_INDEX]=ancidlist_num;
+ memcpy(&tx_near_msg[NEARBASEID_INDEX],&ancidlist_send,ancidlist_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);
- memcpy(&anc_id_recv,&rx_buffer[ANCHOR_ID_IDX],2);
taglist_pos=CmpTagInList(tag_id_recv);
if(taglist_pos==taglist_num)
{
@@ -909,10 +980,16 @@
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(rec_nearbase_num>ancidlist_num)
+ {
+ ancidlist_num=rec_nearbase_num;
+ memcpy(ancidlist_rec,&rx_buffer[NEARBASEID_INDEX],rec_nearbase_num*2);
+ }
+
for(i=0;i<rec_nearbase_num;i++)
{
memcpy(&tempid,&rx_buffer[NEARBASEID_INDEX+i*2],2);
@@ -928,14 +1005,11 @@
seize_anchor=1; //抢占anchor
Anchor_RecNearPoll(i);
}
+
- break;
-
- }
-
- }
- else
- {
+ break;
+ }
+ }else{
dwt_write32bitreg(SYS_STATUS_ID, SYS_STATUS_ALL_RX_ERR);
}
}
--
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