From 5b8bde9ae08b29e4ce6d04149fe0cb78e0c5d68c Mon Sep 17 00:00:00 2001 From: WXK <287788329@qq.com> Date: 星期日, 24 三月 2024 13:48:14 +0800 Subject: [PATCH] 1.12,加入lora'升级标签。 --- Src/application/dw_app.c | 609 +++++------------------------------------------------- 1 files changed, 61 insertions(+), 548 deletions(-) diff --git a/Src/application/dw_app.c b/Src/application/dw_app.c index 50fba29..9c7f9cb 100644 --- a/Src/application/dw_app.c +++ b/Src/application/dw_app.c @@ -3,7 +3,7 @@ * @file main.c * @brief Double-sided two-way ranging (DS TWR) initiator example code * - * + * * * @attention * @@ -29,7 +29,9 @@ #include <stdio.h> #include "beep.h" #include "modbus.h" +#include "CRC.h" +//#define USART_INTEGRATE_OUTPUT /*------------------------------------ Marcos ------------------------------------------*/ /* Inter-ranging delay period, in milliseconds. */ #define RNG_DELAY_MS 100 @@ -42,23 +44,23 @@ * 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 410 +///* 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 410 -/* Receive response timeout. See NOTE 5 below. */ -#define RESP_RX_TIMEOUT_UUS 600 +///* Receive response timeout. See NOTE 5 below. */ +//#define RESP_RX_TIMEOUT_UUS 600 -#define DELAY_BETWEEN_TWO_FRAME_UUS 400 +//#define DELAY_BETWEEN_TWO_FRAME_UUS 400 -#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 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. */ +//#define FINAL_RX_TIMEOUT_UUS 4300 #define SPEED_OF_LIGHT 299702547 @@ -69,141 +71,54 @@ #define FINAL_MSG_FINAL_TX_TS_IDX 18 #define FINAL_MSG_TS_LEN 4 +//#define _UWB_4G -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_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) */ - 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. */ +#ifdef _UWB_4G + 2, /* Channel number. */ +#else + 5, +#endif + DWT_PRF_64M, /* Pulse repetition frequency. */ + DWT_PLEN_128, /* 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. */ + 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. */ }; -static uint8_t tx_poll_msg[20] = {0}; -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}; -static uint32_t frame_seq_nb = 0; -static uint32_t status_reg = 0; -static uint8_t rx_buffer[100]; -static uint64_t poll_tx_ts; -static uint64_t resp_rx_ts; -static uint64_t final_tx_ts; -static uint64_t poll_rx_ts; -static uint64_t resp_tx_ts; -static uint64_t final_rx_ts; -static double tof; -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 - - - -static uint64_t get_tx_timestamp_u64(void) -{ - uint8_t ts_tab[5]; - uint64_t ts = 0; - int i; - dwt_readtxtimestamp(ts_tab); - for (i = 4; i >= 0; i--) - { - ts <<= 8; - ts |= ts_tab[i]; - } - return ts; -} - -static uint64_t get_rx_timestamp_u64(void) -{ - uint8_t ts_tab[5]; - uint64_t ts = 0; - int i; - dwt_readrxtimestamp(ts_tab); - for (i = 4; i >= 0; i--) - { - ts <<= 8; - ts |= ts_tab[i]; - } - return ts; -} - -static void final_msg_set_ts(uint8_t *ts_field, uint64_t ts) -{ - int i; - for (i = 0; i < FINAL_MSG_TS_LEN; i++) - { - ts_field[i] = (uint8_t) ts; - ts >>= 8; - } -} - -static void final_msg_get_ts(const uint8_t *ts_field, uint32_t *ts) -{ - int i; - *ts = 0; - for (i = 0; i < FINAL_MSG_TS_LEN; i++) - { - *ts += ts_field[i] << (i * 8); - } -} - +uint32_t uwbid=0; void Dw1000_Init(void) { - /* Reset and initialise DW1000. + /* Reset and initialise DW1000. * 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. */ - Spi_ChangePrescaler(SPIx_PRESCALER_SLOW); //设置为快速模式 + Spi_ChangePrescaler(SPIx_PRESCALER_SLOW); //设置为快速模式 dwt_initialise(DWT_LOADUCODE);//初始化DW1000 - Spi_ChangePrescaler(SPIx_PRESCALER_FAST); //设置为快速模式 + Spi_ChangePrescaler(SPIx_PRESCALER_FAST); //设置为快速模式 /* Configure DW1000. See NOTE 6 below. */ dwt_configure(&config);//配置DW1000 - - +// dwt_setinterrupt( DWT_INT_RFCG | (DWT_INT_ARFE | DWT_INT_RFSL | DWT_INT_SFDT | DWT_INT_RPHE | DWT_INT_RFCE | DWT_INT_RFTO | DWT_INT_RXPTO), 1); + + /* Apply default antenna delay value. See NOTE 1 below. */ dwt_setrxantennadelay(RX_ANT_DLY); //设置接收天线延迟 dwt_settxantennadelay(TX_ANT_DLY); //设置发射天线延迟 +// dwt_setrxtimeout(1000);//设定接收超时时间,0位没有超时时间 +// dwt_rxenable(0);//打开接收 +// uwbid=dwt_readdevid(); /* Set expected response's delay and timeout. See NOTE 4 and 5 below. * As this example only handles one incoming frame with always the same delay and timeout, those values can be set here once for all. */ - //设置接收超时时间 + //设置接收超时时间 } -void Dw1000_App_Init(void) -{ -//g_com_map[DEV_ID] = 0x0b; - //tag_state=DISCPOLL; - tx_poll_msg[MESSAGE_TYPE_IDX]=POLL; - tx_resp_msg[MESSAGE_TYPE_IDX]=RESPONSE; - tx_final_msg[MESSAGE_TYPE_IDX]=FINAL; - tx_sync_msg[MESSAGE_TYPE_IDX]=SYNC; - - 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_near_msg[ANCHOR_ID_IDX], &dev_id, 2); - memcpy(&tx_near_msg[TAG_ID_IDX], &dev_id, 2); -} -uint16_t Checksum_u16(uint8_t* pdata, uint32_t len) +uint16_t Checksum_u16(uint8_t* pdata, uint32_t len) { uint16_t sum = 0; uint32_t i; @@ -214,432 +129,30 @@ } u16 tag_time_recv[TAG_NUM_IN_SYS]; -u8 usart_send[25]; +u8 usart_send[100]; u8 battary,button; extern uint8_t g_pairstart; void tag_sleep_configuraion(void) { - dwt_configuresleep(0x940, 0x7); - dwt_entersleep(); + dwt_configuresleep(0x940, 0x7); + dwt_entersleep(); } -extern uint8_t g_start_send_flag; - -uint16_t g_Resttimer; -uint8_t result; -u8 tag_succ_times=0; -int32_t hex_dist; -u16 checksum; -int8_t tag_delaytime; -extern uint16_t sync_timer; -u16 tmp_time; -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; -u16 mainbase_id; -int32_t mainbase_dist; -uint8_t trygetnearmsg_times; -u16 nearbaseid_list[MAX_NEARBASE_NUM],mainbase_id,true_nearbase_idlist[MAX_NEARBASE_NUM]; -u8 FindNearBasePos(u16 baseid) +u32 id; +void UWB_Wkup(void) { - u8 i; - for(i=0;i<nearbase_num;i++) - { - if(baseid==nearbaseid_list[i]) - return i; - } -} -u8 recbase_num=0; -#define CHANGE_BASE_THRESHOLD 5 -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%32;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; -} -int32_t mainbase_dist,nearbase_distlist[MAX_NEARBASE_NUM],true_nearbase_distlist[MAX_NEARBASE_NUM],true_exsistbase_list[MAX_NEARBASE_NUM],ancsync_time,nextpoll_delaytime,offsettimeus; -u8 anclost_times=0 , mainbase_lost_count=0; -u8 exsistbase_list[MAX_NEARBASE_NUM],report_num,get_newbase=0; -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; -u32 rec_tagpos_binary; -int16_t offset=2700; -void NearPoll(void) -{ - - 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; - 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; - } - 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; - - tx_near_msg[BATTARY_IDX] = Get_Battary(); - //tx_near_msg[BUTTON_IDX] = !READ_KEY0; - 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); - tx_near_msg[MESSAGE_TYPE_IDX] = NEAR_POLL; - memcpy(&tx_near_msg[ANCHOR_ID_IDX],&mainbase_id,2); - dwt_writetxdata(13+2*nearbase_num, tx_near_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; - flag_getresponse=0; - start_count=HAL_LPTIM_ReadCounter(&hlptim1); - recbase_num=0; - timeout=ceil((float)nearbase_num*0.6)+20; - end_count=start_count+(timeout<<5); - if(end_count>=32768) - {end_count-=32768;} - mainbase_dist=100000; - mainbase_lost_count++; - current_count=HAL_LPTIM_ReadCounter(&hlptim1); - while(current_count<end_count||current_count>end_count+15000) - { - current_count=HAL_LPTIM_ReadCounter(&hlptim1); - 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) - { - - dwt_forcetrxoff(); - flag_rxon=0; - dwt_setdelayedtrxtime(final_tx_time); - result=dwt_starttx(DWT_START_TX_DELAYED);//设定为延迟发送 - flag_finalsend=0; - break; - } - } - current_count=HAL_LPTIM_ReadCounter(&hlptim1); - if(current_count>=end_count&¤t_count<end_count+15000) - 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; - 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(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]) - { - //////////////////////////////////时间同步 - 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;} - } - // 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]=KEEP_TIMES; - memcpy(&temp_dist,&rx_buffer[DIST_IDX],4); - nearbase_distlist[rec_nearbasepos]=temp_dist; - - mainbase_lost_count=0; - flag_finalsend=1; - memcpy(&mainbase_dist,&rx_buffer[DIST_IDX],4); - 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-((850*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_near_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_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; - 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; - 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); - 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); - if(flag_rxon) - {dwt_rxenable(0); - } - } - // 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) - { -// 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); - tyncpoll_time = (tagslotpos--%max_slotpos)*slottime; - // SetNextPollTime(tyncpoll_time); - } - // 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<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; - } - - 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) -{ - u32 id; - //LED0_ON; - id = dwt_readdevid() ; - while (DWT_DEVICE_ID != id) + SPIx_CS_GPIO->BRR = SPIx_CS; + delay_us(600); + SPIx_CS_GPIO->BSRR = SPIx_CS; + id = dwt_readdevid() ; + while (0xDECA0130!=id) { - id = dwt_readdevid() ; + u8 iderror_count = 0; + id = dwt_readdevid() ; + if(iderror_count++>100) + { + printf("UWB芯片ID错误\r\n"); + break; + } } - - g_Resttimer=0; -// tag_state=DISCPOLL; - switch(tag_state) - { - case DISCPOLL: - // Poll(); - break; - case GETNEARMSG: - - GetNearMsg(); - - break; - case NEARPOLL: - //GPIO_WriteBit(EU_TX_GPIO, EU_RX_PIN, Bit_SET); - NearPoll(); - //GPIO_WriteBit(EU_TX_GPIO, EU_RX_PIN, Bit_RESET); - break; - } - dwt_entersleep(); } -- Gitblit v1.9.3