| | |
| | | DISCPOLL, |
| | | GETNEARMSG, |
| | | NEARPOLL, |
| | | }tag_state; |
| | | }tag_state=GETNEARMSG; |
| | | static dwt_config_t config = { |
| | | 2, /* Channel number. */ |
| | | DWT_PRF_64M, /* Pulse repetition frequency. */ |
| | |
| | | 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; |
| | |
| | | } |
| | | 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; |
| | | } |
| | | } |
| | | //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; |
| | | // } |
| | | //} |
| | | u8 test=0; |
| | | u8 anclost_times=0; |
| | | u8 exsistbase_list[MAX_NEARBASE_NUM],report_num,get_newbase=0;; |
| | |
| | | |
| | | |
| | | } |
| | | |
| | | //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åéåå¼å¯æ¥æ¶ï¼å¹¶è®¾å®å»¶è¿æ¶é´ |
| | | // dwt_setrxtimeout(RESP_RX_TIMEOUT_UUS); |
| | | // dwt_writetxdata(12, tx_near_msg, 0);//å°Pollå
æ°æ®ä¼ ç»DW1000ï¼å°å¨å¼å¯åéæ¶ä¼ åºå» |
| | | // dwt_writetxfctrl(12, 0);//设置è¶
宽带åéæ°æ®é¿åº¦ |
| | | // 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)))//䏿æ¥è¯¢è¯çç¶æç´å°æåæ¥æ¶æè
åçé误 |
| | | // { if(time32_incr - start_poll>20) |
| | | // NVIC_SystemReset(); |
| | | // }; |
| | | // if(status_reg==0xffffffff) |
| | | // { |
| | | // NVIC_SystemReset(); |
| | | // } |
| | | // if (status_reg & SYS_STATUS_RXFCG)//妿æåæ¥æ¶ |
| | | // { |
| | | // dwt_write32bitreg(SYS_STATUS_ID, SYS_STATUS_RXFCG | SYS_STATUS_TXFRS);//æ¸
æ¥å¯å卿 å¿ä½ |
| | | // frame_len = dwt_read32bitreg(RX_FINFO_ID) & RX_FINFO_RXFLEN_MASK; //è·å¾æ¥æ¶å°çæ°æ®é¿åº¦ |
| | | // dwt_readrxdata(rx_buffer, frame_len, 0); //è¯»åæ¥æ¶æ°æ® |
| | | // if (rx_buffer[MESSAGE_TYPE_IDX] == NEAR_MSG&&!memcmp(&rx_buffer[TAG_ID_IDX],&dev_id,2)) //å¤ææ¥æ¶å°çæ°æ®æ¯å¦æ¯responseæ°æ® |
| | | // { |
| | | // 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; |
| | | u32 rec_tagpos_binary; |
| | | 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åéåå¼å¯æ¥æ¶ï¼å¹¶è®¾å®å»¶è¿æ¶é´ |
| | | dwt_setrxtimeout(RESP_RX_TIMEOUT_UUS); |
| | | dwt_writetxdata(12, tx_near_msg, 0);//å°Pollå
æ°æ®ä¼ ç»DW1000ï¼å°å¨å¼å¯åéæ¶ä¼ åºå» |
| | | dwt_writetxfctrl(12, 0);//设置è¶
宽带åéæ°æ®é¿åº¦ |
| | | 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)))//䏿æ¥è¯¢è¯çç¶æç´å°æåæ¥æ¶æè
åçé误 |
| | | { if(time32_incr - start_poll>20) |
| | | NVIC_SystemReset(); |
| | | }; |
| | | if(status_reg==0xffffffff) |
| | | { |
| | | NVIC_SystemReset(); |
| | | } |
| | | if (status_reg & SYS_STATUS_RXFCG)//妿æåæ¥æ¶ |
| | | { |
| | | dwt_write32bitreg(SYS_STATUS_ID, SYS_STATUS_RXFCG | SYS_STATUS_TXFRS);//æ¸
æ¥å¯å卿 å¿ä½ |
| | | frame_len = dwt_read32bitreg(RX_FINFO_ID) & RX_FINFO_RXFLEN_MASK; //è·å¾æ¥æ¶å°çæ°æ®é¿åº¦ |
| | | dwt_readrxdata(rx_buffer, frame_len, 0); //è¯»åæ¥æ¶æ°æ® |
| | | if (rx_buffer[MESSAGE_TYPE_IDX] == NEAR_MSG&&!memcmp(&rx_buffer[TAG_ID_IDX],&dev_id,2)) //å¤ææ¥æ¶å°çæ°æ®æ¯å¦æ¯responseæ°æ® |
| | | { |
| | | next_nearbase_num=rx_buffer[NEARBASENUM_INDEX]; |
| | | memcpy(&rec_tagpos_binary,&rx_buffer[NEARMSG_EMPTYSLOTPOS_INDEX],4); |
| | | tagslotpos=rx_buffer[TAGSLOTPOS]; |
| | | memcpy(nearbaseid_list,&rx_buffer[NEARBASEID_INDEX],next_nearbase_num*2); |
| | | slottime=ceil((nearbase_num+2)*0.3)+1; |
| | | tyncpoll_time=tagslotpos*slottime; |
| | | tag_state=NEARPOLL; |
| | | } |
| | | } |
| | | } |
| | | |
| | | void Tag_App(void)//å鿍¡å¼(TAGæ ç¾) |
| | | { |
| | | //LED0_ON; |
| | | g_Resttimer=0; |
| | | NearPoll(); |
| | | switch(tag_state) |
| | | { |
| | | case DISCPOLL: |
| | | |
| | | break; |
| | | case GETNEARMSG: |
| | | GetNearMsg(); |
| | | break; |
| | | case NEARPOLL: |
| | | NearPoll(); |
| | | break; |
| | | |
| | | |
| | | } |
| | | |
| | | } |
| | | |
| | | int8_t correction_time,new_tagid=0; |
| | |
| | | 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; |
| | |
| | | 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; |
| | | #ifndef USART_INTEGRATE_OUTPUT |
| | |
| | | #endif |
| | | }else{ |
| | | // printf("%d",hex_dist); |
| | | misdist_num++; |
| | | misdist_num[taglist_pos]++; |
| | | } |
| | | } |
| | | } |
| | |
| | | } |
| | | uint32_t current_syncid=0xffffffff,synclost_timer; |
| | | extern u8 flag_syncbase; |
| | | extern uint32_t tagpos_binary; |
| | | u8 tagpos_rec[50],tagpos_send[50],ancidlist_num; |
| | | u16 ancidlist_rec[20],ancidlist_send[20]; |
| | | void Anchor_App(void) |
| | | { |
| | | |
| | |
| | | |
| | | if (status_reg & SYS_STATUS_RXFCG)//æåæ¥æ¶ |
| | | { u16 tag_recv_interval; |
| | | |
| | | float temp_tagpos; |
| | | dwt_write32bitreg(SYS_STATUS_ID, SYS_STATUS_RXFCG);//æ¸
餿 å¿ä½ |
| | | frame_len = dwt_read32bitreg(RX_FINFO_ID) & RX_FINFO_RXFL_MASK_1023;//è·å¾æ¥æ¶æ°æ®é¿åº¦ |
| | | dwt_readrxdata(rx_buffer, frame_len, 0);//è¯»åæ¥æ¶æ°æ® |
| | |
| | | |
| | | } |
| | | 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);//å°Pollå
æ°æ®ä¼ ç»DW1000ï¼å°å¨å¼å¯åéæ¶ä¼ åºå» |
| | | // dwt_writetxfctrl(send_len, 0);//设置è¶
宽带åéæ°æ®é¿åº¦ |
| | | // dwt_starttx(DWT_START_TX_IMMEDIATE); |
| | | // } |
| | | // break; |
| | | // |
| | | 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);//å°Pollå
æ°æ®ä¼ ç»DW1000ï¼å°å¨å¼å¯åéæ¶ä¼ åºå» |
| | | dwt_writetxfctrl(send_len, 0);//设置è¶
宽带åéæ°æ®é¿åº¦ |
| | | dwt_starttx(DWT_START_TX_IMMEDIATE); |
| | | } |
| | | break; |
| | | |
| | | case NEAR_POLL: |
| | | |
| | | memcpy(&tag_id_recv,&rx_buffer[TAG_ID_IDX],2); |
| | |
| | | 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]; |
| | | |
| | | for(i=0;i<rec_nearbase_num;i++) |
| | |
| | | seize_anchor=1; //æ¢å anchor |
| | | Anchor_RecNearPoll(i); |
| | | } |
| | | if(rec_nearbase_num>ancidlist_num) |
| | | { |
| | | ancidlist_num=rec_nearbase_num; |
| | | memcpy(ancidlist_rec,&rx_buffer[NEARBASEID_INDEX],rec_nearbase_num*2); |
| | | } |
| | | |
| | | break; |
| | | |