| | |
| | | #define FINAL_MSG_FINAL_TX_TS_IDX 18 |
| | | #define FINAL_MSG_TS_LEN 4 |
| | | |
| | | #define STARTPOLL SINGLEPOLL//#define SWITCHBASE_DIST |
| | | #define STARTPOLL REGPOLL//#define SWITCHBASE_DIST |
| | | //#define SWITCHBASE_ZHUANDIAN |
| | | #define SWITCHBASE_DIST |
| | | enum enumtagstate |
| | |
| | | {flag_getresponse=1;} |
| | | lastsync_timer=sync_timer; |
| | | //offsettimeus=ancsync_time-current_count*LPTIMER_LSB+offset; |
| | | SetNextPollTime(tagslotpos); |
| | | // SetNextPollTime(tagslotpos); |
| | | } |
| | | |
| | | memcpy(&temp_dist, &rx_buffer[DIST_IDX], 4); |
| | |
| | | void GetNearMsg(void) |
| | | { |
| | | u32 start_poll,frame_len; |
| | | |
| | | u8 nearmsg_i=0; |
| | | for(nearmsg_i=0;nearmsg_i<20;nearmsg_i++) |
| | | { |
| | | nearbase_distlist[nearmsg_i] = 0x1ffff; |
| | | } |
| | | //mainbase_id = 0x9724; |
| | | 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 |
| | |
| | | // tyncpoll_time = (tagslotpos--%max_slotpos)*slottime; |
| | | } |
| | | } |
| | | |
| | | extern u32 synctimer; |
| | | u8 pd_i; |
| | | u32 temptime,delaytime; |
| | | u16 delaycount; |
| | | int16_t poll_offsettime=-6900; |
| | | extern u16 slotpos_intoatl, slotpos; |
| | | void NextPollDelay(u32 anchor_time) |
| | | { |
| | | tagslotpos = 0 ; |
| | | for(pd_i=0;pd_i<tag_frequency;pd_i++) |
| | | { |
| | | slotpos_intoatl = pd_i*bigslot_num+tagslotpos; |
| | | temptime = (slotpos_intoatl*SLOTTIME_MS+100)*100; |
| | | if(anchor_time<temptime-5000) |
| | | { |
| | | delaytime = temptime-anchor_time+poll_offsettime; |
| | | return ; |
| | | } |
| | | } |
| | | temptime = (tagslotpos*SLOTTIME_MS+100+10000)*100; |
| | | delaytime = temptime-anchor_time+poll_offsettime; |
| | | return ; |
| | | } |
| | | u16 lpcount,poll_startcount; |
| | | u16 waketopolltimeus = 4000; |
| | | #define BASENUM_COMTIME 244 |
| | | u32 last_anchor_time; |
| | | void SetLPTimer(u32 anchor_time) |
| | | { |
| | | NextPollDelay(anchor_time); |
| | | current_count=HAL_LPTIM_ReadCounter(&hlptim1); |
| | | lpcount = current_count+delaytime/LPTIMER_LSB+(10-nearbase_num)*8; |
| | | poll_startcount = lpcount+(waketopolltimeus)/LPTIMER_LSB; |
| | | if(poll_startcount>=32768) |
| | | { |
| | | poll_startcount -=32768; |
| | | } |
| | | __HAL_LPTIM_COMPARE_SET(&hlptim1, lpcount); |
| | | last_anchor_time = anchor_time; |
| | | } |
| | | void NearPoll(void) |
| | | { |
| | | |
| | |
| | | {sync_timer=0;} |
| | | } |
| | | ancsync_time=((sync_timer)*1000+tmp_time); |
| | | last_slotnum=current_slotnum; |
| | | current_slotnum=((float)(sync_timer*10 - tagslotpos*SLOTTIME_MS)/(SLOTTIME_MS*bigslot_num))+1; |
| | | if(current_slotnum==last_slotnum-1) |
| | | {flag_getresponse=1;} |
| | | lastsync_timer=sync_timer; |
| | | offsettimeus=ancsync_time-current_count*LPTIMER_LSB+offset; |
| | | SetNextPollTime(tagslotpos); |
| | | SetLPTimer(ancsync_time); |
| | | 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 |
| | | { };} |
| | |
| | | memcpy(&nearbase_switchdistlist[rec_nearbasepos],&rx_buffer[NR_NEARSWITCH_DISTANCE],2); |
| | | nearbase_distlist[rec_nearbasepos+1]=temp_dist; // nearbase_distlist[1]对应 rec_nearbaseid[0]的距离 |
| | | final_msg_set_ts(&tx_near_msg[FINAL_MSG_RESP_RX_NEARBASE_IDX+(rec_nearbasepos)*4], resp_rx_ts); |
| | | if(temp_dist<salvebase_mindist) |
| | | if(temp_dist<salvebase_mindist&&nearbase_switchdistlist[rec_nearbasepos]==1) |
| | | { |
| | | salvebase_mindist = temp_dist; |
| | | mindist_slavebaseid = rec_nearbaseid; |
| | | } |
| | | #ifdef SWITCHBASE_ZHUANDIAN |
| | | if(temp_dist<nearbase_switchdistlist[rec_nearbasepos]&&nearbase_switchdistlist[rec_nearbasepos]!=0&&temp_dist>0) |
| | | { |
| | | if(temp_dist<nearbase_switchdistlist[rec_nearbasepos]&&nearbase_switchdistlist[rec_nearbasepos]>1&&temp_dist>0) |
| | | { |
| | | mainbase_id = rec_nearbaseid; |
| | | tag_state = GETNEARMSG; |
| | | } |
| | |
| | | changemainbase_count = 0; |
| | | } |
| | | #endif |
| | | }else if(mainbase_lost_count>10*tag_frequency) |
| | | }else if(mainbase_lost_count>5*tag_frequency) |
| | | { |
| | | tag_state = STARTPOLL; |
| | | } |
| | | |
| | | if(mainbase_lost_count!=0) |
| | | {SetLPTimer(last_anchor_time);} |
| | | if(para_update) |
| | | { |
| | | uint8_t pack_length = 0,pack_index = 0,pack_msgtype = 0; |
| | |
| | | if(tagslotpos--<2) |
| | | tagslotpos=TOTAL_SLOTNUM; |
| | | } |
| | | SetNextPollTime(tagslotpos); |
| | | // SetNextPollTime(tagslotpos); |
| | | 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); |
| | | |