From dca85b651a942c826f1b29ac08d7e65d33cebb93 Mon Sep 17 00:00:00 2001
From: zhyinch <zhyinch@gmail.com>
Date: 星期四, 22 十月 2020 12:02:16 +0800
Subject: [PATCH] 可以读取气压温度
---
Src/application/dw_app.c | 378 ++++++++++++++++++++++++++++++++++++-----------------
1 files changed, 253 insertions(+), 125 deletions(-)
diff --git a/Src/application/dw_app.c b/Src/application/dw_app.c
index 50fba29..3aca82a 100644
--- a/Src/application/dw_app.c
+++ b/Src/application/dw_app.c
@@ -47,14 +47,14 @@
#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
#define DELAY_BETWEEN_TWO_FRAME_UUS 400
-#define POLL_RX_TO_RESP_TX_DLY_UUS 420
+#define POLL_RX_TO_RESP_TX_DLY_UUS 470
/* 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. */
@@ -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. */
@@ -92,7 +92,7 @@
static uint8_t tx_sync_msg[14] = {0};
static uint8_t tx_final_msg[60] = {0};
static uint8_t tx_resp_msg[22] = {0};
-static uint8_t tx_near_msg[80] = {0};
+ uint8_t tx_near_msg[80] = {0};
static uint32_t frame_seq_nb = 0;
static uint32_t status_reg = 0;
@@ -266,7 +266,7 @@
u8 GetRandomSlotPos(uint32_t emptyslot)
{
u8 i,temp_value;
- temp_value = GetRandomValue();
+ temp_value = HAL_LPTIM_ReadCounter(&hlptim1);//GetRandomValue();
for(i=temp_value%32;i<max_slotpos;i++)
{
if(((emptyslot>>i)&0x1)==0)
@@ -291,9 +291,164 @@
u8 flag_finalsend,flag_getresponse,flag_rxon;
uint16_t current_count,start_count,end_count,lastsync_timer;
-u8 nearbase_num=0,last_nearbase_num,next_nearbase_num,last_slotnum;
+u8 nearbase_num=0,last_nearbase_num,next_nearbase_num,last_slotnum, para_update,para_len,stationary_flag=0;
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;
+ }
+}
+uint8_t changemainbase_count=0;
void NearPoll(void)
{
@@ -311,12 +466,12 @@
next_nearbase_num = MAX_NEARBASE_NUM-1;
}
HAL_GPIO_WritePin(LED0_GPIO, GPIO_PIN_9, GPIO_PIN_SET);
- last_nearbase_num=next_nearbase_num;
- nearbase_num=next_nearbase_num;
+
recbase_num=0;
+ motor_state=0;
- tx_near_msg[BATTARY_IDX] = Get_Battary();
- //tx_near_msg[BUTTON_IDX] = !READ_KEY0;
+ tx_near_msg[BATTARY_IDX] = bat_percent;
+ tx_near_msg[BUTTON_IDX] = !GET_USERKEY|stationary_flag<<1;
tx_near_msg[SEQUENCE_IDX] = frame_seq_nb++;
tx_near_msg[NEARBASENUM_INDEX] = nearbase_num;
memcpy(&tx_near_msg[NEARBASEID_INDEX],&nearbaseid_list,nearbase_num*2);
@@ -326,12 +481,14 @@
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
+ tx_near_msg[TAGCONFIGSUCCESS_INDEX] =0;
+ para_update = 0;
flag_finalsend=0;
flag_rxon=1;
flag_getresponse=0;
start_count=HAL_LPTIM_ReadCounter(&hlptim1);
recbase_num=0;
- timeout=ceil((float)nearbase_num*0.6)+20;
+ timeout=ceil((float)nearbase_num*SLOT_SCALE)+3;
end_count=start_count+(timeout<<5);
if(end_count>=32768)
{end_count-=32768;}
@@ -378,14 +535,7 @@
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(last_nearbase_num==0)
- {
- get_newbase=1;
- nearbaseid_list[0]=rec_nearbaseid;
- nearbase_num=1;
- memcpy(&tx_near_msg[ANCHOR_ID_IDX],&rec_nearbaseid,2);
- }
- if(rec_nearbaseid==nearbaseid_list[0])
+ if(rec_nearbaseid==mainbase_id)
{
//////////////////////////////////时间同步
memcpy(&sync_timer,&rx_buffer[ANCTIMEMS],2);
@@ -405,10 +555,12 @@
// tagslotpos=tagslotpos%(max_slotpos+1);
// tyncpoll_time=(tagslotpos-1)*slottime;
////////////////////////////
- rec_nearbasepos=0;
- exsistbase_list[rec_nearbasepos]=KEEP_TIMES;
+
memcpy(&temp_dist,&rx_buffer[DIST_IDX],4);
- nearbase_distlist[rec_nearbasepos]=temp_dist;
+ mainbase_dist=temp_dist;
+ if((rx_buffer[MOTORSTATE_INDEX]&0xf)!=3)
+ motor_state=rx_buffer[MOTORSTATE_INDEX]&0xf;
+ rec_remotepara_state=rx_buffer[MOTORSTATE_INDEX]>>4;
mainbase_lost_count=0;
flag_finalsend=1;
@@ -422,65 +574,53 @@
final_msg_set_ts(&tx_near_msg[FINAL_MSG_RESP_RX_NEARBASE_IDX], resp_rx_ts);
final_msg_set_ts(&tx_near_msg[FINAL_MSG_FINAL_TX_TS_IDX], final_tx_ts);
tx_near_msg[MESSAGE_TYPE_IDX]=NEAR_FINAL;
+ if(rec_remotepara_state&&!memcmp(&rx_buffer[TAG_ID_IDX],&dev_id,2))
+ {
+ para_update = 1;
+ tx_near_msg[TAGCONFIGSUCCESS_INDEX] = 1;
+ para_len = frame_len-22;
+ memcpy(rec_remotepara,&rx_buffer[REMOTEPARA_INDEX],para_len);
+ }
+
dwt_writetxdata(28+nearbase_num*4, tx_near_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
flag_getresponse=1;
memcpy(&rec_tagpos_binary,&rx_buffer[NEARMSG_EMPTYSLOTPOS_INDEX],4);
- tyncpoll_time=0;
+
//时间同步
ancsync_time=((sync_timer)*1000+tmp_time);
last_slotnum=current_slotnum;
- current_slotnum=round((float)sync_timer/g_com_map[COM_INTERVAL])+1;
+ current_slotnum=((float)sync_timer/g_com_map[COM_INTERVAL])+1;
if(current_slotnum==last_slotnum-1)
{flag_getresponse=1;}
lastsync_timer=sync_timer;
offsettimeus=ancsync_time-current_count*LPTIMER_LSB+offset;
SetNextPollTime(tyncpoll_time);
-
- // count_offset=sync_count-current_count-143;
- // current_slottimes=(ancsync_time-10000)/(g_com_map[COM_INTERVAL]*1000);
- // nextpoll_delaytime=tyncpoll_time*1000+g_com_map[COM_INTERVAL]*1000-((ancsync_time)%(g_com_map[COM_INTERVAL]*1000))-4300;
-// if(abs(ancsync_time-910000)<1000)
-// {
-// nextpoll_delaytime+=10000;
-// }
-// if(nextpoll_delaytime<2000)
-// {
-// nextpoll_delaytime+=g_com_map[COM_INTERVAL]*1000;
-// }
-// lastpoll_count= current_count+(nextpoll_delaytime)/LPTIMER_LSB;
-// if(lastpoll_count>LPTIMER_1S_COUNT)
-// lastpoll_count-=LPTIMER_1S_COUNT;
-// __HAL_LPTIM_COMPARE_SET(&hlptim1, lastpoll_count);
- /////////////////////////////////////////
-// dwt_setdelayedtrxtime(final_tx_time);
-// result=dwt_starttx(DWT_START_TX_DELAYED);//设定为延迟发送
+
}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_near_msg[ANCHOR_ID_IDX],&rec_nearbaseid,2);
- }
+
exsistbase_list[rec_nearbasepos]=KEEP_TIMES;
memcpy(&temp_dist,&rx_buffer[DIST_IDX],4);
nearbase_distlist[rec_nearbasepos]=temp_dist;
- final_msg_set_ts(&tx_near_msg[FINAL_MSG_RESP_RX_NEARBASE_IDX+(rec_nearbasepos)*4], resp_rx_ts);
+ if(motor_state<(rx_buffer[MOTORSTATE_INDEX]&0xf)&&(rx_buffer[MOTORSTATE_INDEX]&0xf)!=3)
+ {
+ motor_state=rx_buffer[MOTORSTATE_INDEX];
+ }
+ if(rec_remotepara_state&&!memcmp(&rx_buffer[TAG_ID_IDX],&dev_id,2))
+ {
+ para_update = 1;
+ tx_near_msg[TAGCONFIGSUCCESS_INDEX] = 1;
+ para_len = frame_len-22;
+ memcpy(rec_remotepara,&rx_buffer[REMOTEPARA_INDEX],para_len);
+ }
+ final_msg_set_ts(&tx_near_msg[FINAL_MSG_RESP_RX_NEARBASE_IDX+(rec_nearbasepos+1)*4], resp_rx_ts);
dwt_writetxdata(28+nearbase_num*4, tx_near_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
-
-
-
- //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{
dwt_write32bitreg(SYS_STATUS_ID,SYS_STATUS_RXFCG| SYS_STATUS_ALL_RX_ERR);
@@ -491,7 +631,7 @@
// dwt_write32bitreg(SYS_STATUS_ID,SYS_STATUS_RXFCG| SYS_STATUS_ALL_RX_ERR);
}
dwt_write32bitreg(SYS_STATUS_ID,SYS_STATUS_RXFCG| SYS_STATUS_ALL_RX_ERR);
- nearbase_num=recbase_num;
+
j=0;
if(exsistbase_list[0]==0)
{
@@ -504,11 +644,11 @@
// }
tagslotpos=GetRandomSlotPos(rec_tagpos_binary);
tyncpoll_time = (tagslotpos--%max_slotpos)*slottime;
- // SetNextPollTime(tyncpoll_time);
+ SetNextPollTime(tyncpoll_time);
}
// tyncpoll_time=0;
next_nearbase_num=0;
- for(i=0;i<last_nearbase_num+get_newbase;i++)
+ for(i=0;i<nearbase_num;i++)
{
if(exsistbase_list[i]>0)
{
@@ -543,74 +683,57 @@
}
}
}
-
- report_num=0;
- for (i=0;i<last_nearbase_num;i++)
+ if(true_nearbase_distlist[0]<mainbase_dist-THRESHOLD_CHANGE_MAINBASE_DIST)
{
- nearbaseid_list[i]=true_nearbase_idlist[i];
- nearbase_distlist[i]=true_nearbase_distlist[i];
- if(nearbase_distlist[i]!=0x1ffff&&true_exsistbase_list[i]==0xa)
- {
- memcpy(&usart_send[4+6*report_num],&nearbaseid_list[i],2);
- memcpy(&usart_send[6+6*report_num],&nearbase_distlist[i],4);
- report_num++;
- }
+ changemainbase_count++;
+ }else{
+ changemainbase_count = 0;
}
+ if(changemainbase_count>3)
+ {
+ mainbase_id = true_nearbase_idlist[0];
+ tag_state = GETNEARMSG;
+ }
+ if(mainbase_lost_count>3)
+ {
+ tag_state = DISCPOLL;
+ }
+//串口输出距离
+// report_num=0;
+// for (i=0;i<last_nearbase_num;i++)
+// {
+// nearbaseid_list[i]=true_nearbase_idlist[i];
+// nearbase_distlist[i]=true_nearbase_distlist[i];
+// if(nearbase_distlist[i]!=0x1ffff&&true_exsistbase_list[i]==0xa)
+// {
+// memcpy(&usart_send[4+6*report_num],&nearbaseid_list[i],2);
+// memcpy(&usart_send[6+6*report_num],&nearbase_distlist[i],4);
+// report_num++;
+// }
+// }
for(i=0;i<MAX_NEARBASE_NUM;i++)
{
nearbase_distlist[i]=0x1ffff;
}
-
+ if(para_update)
+ {
+ uint8_t pack_length = 0,pack_index = 0,pack_msgtype = 0;
+ pack_msgtype = rec_remotepara[0];
+ pack_index = rec_remotepara[1];
+ pack_length = rec_remotepara[2];
+ if(pack_msgtype==2)
+ {
+ memcpy((uint8_t*)&g_com_map + pack_index, &rec_remotepara[3], pack_length);
+ //返回一个error状态
+ //SendComMap(pack_datalen,pack_index);
+ save_com_map_to_flash();
+ delay_ms(100);
+ NVIC_SystemReset();
+ }
+ }
dwt_write32bitreg(SYS_STATUS_ID, SYS_STATUS_ALL_RX_ERR| SYS_STATUS_TXFRS |SYS_STATUS_RXFCG);
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)
@@ -628,12 +751,17 @@
switch(tag_state)
{
case DISCPOLL:
- // Poll();
+ Poll();
break;
case GETNEARMSG:
-
- GetNearMsg();
-
+ trygetnearmsg_times--;
+ LED_LG_ON;
+ GetNearMsg();
+ LED_LG_OFF;
+ if(trygetnearmsg_times==0)
+ {
+ tag_state = DISCPOLL;
+ }
break;
case NEARPOLL:
//GPIO_WriteBit(EU_TX_GPIO, EU_RX_PIN, Bit_SET);
--
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