| | |
| | | * @file main.c |
| | | * @brief Double-sided two-way ranging (DS TWR) initiator example code |
| | | * |
| | | * |
| | | * |
| | | * |
| | | * @attention |
| | | * |
| | |
| | | * 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 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 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 |
| | |
| | | #define FINAL_MSG_FINAL_TX_TS_IDX 18 |
| | | #define FINAL_MSG_TS_LEN 4 |
| | | |
| | | //#define _UWB_4G |
| | | |
| | | enum enumtagstate |
| | | { |
| | | DISCPOLL, |
| | | GETNEARMSG, |
| | | NEARPOLL, |
| | | }tag_state=NEARPOLL; |
| | | static dwt_config_t config = { |
| | | 5, /* 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. */ |
| | | 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. */ |
| | | #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}; |
| | | 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; |
| | |
| | | } |
| | | |
| | | 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(); |
| | | } |
| | | 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) |
| | | { |
| | | 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 = HAL_LPTIM_ReadCounter(&hlptim1);//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, para_update,para_len,stationary_flag=0; |
| | | u32 rec_tagpos_binary; |
| | | int16_t offset=2700; |
| | | u8 motor_state,rec_remotepara_state,rec_remotepara[80]; |
| | | extern u16 last_lpcount; |
| | | 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,flag_ancreadpara=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(10000); |
| | | 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; |
| | | // motor_state=0; |
| | | tx_near_msg[GROUP_ID_IDX] = group_id; |
| | | 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); |
| | | 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 |
| | | |
| | | 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=nearbase_num*SLOT_SCALE+4; |
| | | 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; |
| | | if(flag_ancreadpara) |
| | | { |
| | | u16 calCRC; |
| | | tx_near_msg[MESSAGE_TYPE_IDX] = NEAR_PRAAREPLY; |
| | | memcpy(&tx_near_msg[MESSAGE_PARAREPLY_IDX],g_com_map,SENDANCPARA_LEN); |
| | | calCRC = CRC_Compute((uint8_t*)g_com_map,SENDANCPARA_LEN); |
| | | memcpy(&tx_near_msg[MESSAGE_PARAREPLY_IDX+SENDANCPARA_LEN],&calCRC,2); |
| | | dwt_writetxdata(14+SENDANCPARA_LEN, tx_near_msg, 0);//将发送数据写入DW1000 |
| | | dwt_writetxfctrl(14+SENDANCPARA_LEN, 0);//设定发送数据长度 |
| | | } |
| | | 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)&&rx_buffer[GROUP_ID_IDX]==group_id) //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); |
| | | rec_remotepara_state = rx_buffer[MOTORSTATE_INDEX]>>4; |
| | | if(rec_remotepara_state != 0) |
| | | { |
| | | para_update = rec_remotepara_state; |
| | | memcpy(rec_remotepara,&rx_buffer[REMOTEPARA_INDEX],7); |
| | | if(para_update==2) |
| | | { |
| | | flag_ancreadpara = 1; |
| | | } |
| | | } |
| | | 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; |
| | | if((rx_buffer[MOTORSTATE_INDEX]&0xf)!=3) |
| | | motor_state=rx_buffer[MOTORSTATE_INDEX]&0xf; |
| | | |
| | | |
| | | 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; |
| | | tx_near_msg[GROUP_ID_IDX] = group_id; |
| | | |
| | | 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); |
| | | |
| | | |
| | | //时间同步 |
| | | ancsync_time=((sync_timer)*1000+tmp_time); |
| | | last_slotnum=current_slotnum; |
| | | 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); |
| | | // if(rec_remotepara_state==1) |
| | | // { |
| | | // memcpy(rec_remotepara,&rx_buffer[REMOTEPARA_INDEX],REMOTEPARA_LEN); |
| | | // memcpy(&g_com_map[COM_INTERVAL],&rec_remotepara[0],8); |
| | | // memcpy(&g_com_map[POWER],&rec_remotepara[8],10); |
| | | // if(g_com_map[COM_INTERVAL]>0&&g_com_map[COM_INTERVAL]<1000&&g_com_map[POWER]<67&&g_com_map[POWER]>0) |
| | | // {save_com_map_to_flash(); |
| | | // delay_ms(100); |
| | | // } |
| | | // NVIC_SystemReset(); |
| | | // } |
| | | }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; |
| | | |
| | | if(motor_state<(rx_buffer[MOTORSTATE_INDEX]&0xf)&&(rx_buffer[MOTORSTATE_INDEX]&0xf)!=3) |
| | | { |
| | | motor_state=rx_buffer[MOTORSTATE_INDEX]; |
| | | } |
| | | 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); |
| | | } |
| | | if(mainbase_lost_count>tag_frequency*BASELOST_STOPMOTOR_TIME) |
| | | {motor_state=0; } |
| | | dwt_write32bitreg(SYS_STATUS_ID,SYS_STATUS_RXFCG| SYS_STATUS_ALL_RX_ERR); |
| | | nearbase_num=recbase_num; |
| | | // tyncpoll_time=0; |
| | | next_nearbase_num=0; |
| | | j = 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(mainbase_lost_count>1&&exsistbase_list[0] != 0) |
| | | { |
| | | last_lpcount+= HAL_LPTIM_ReadCounter(&hlptim1)%(g_com_map[COM_INTERVAL]*16); |
| | | } |
| | | 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]==KEEP_TIMES) |
| | | { |
| | | memcpy(&usart_send[4+6*report_num],&nearbaseid_list[i],2); |
| | | memcpy(&usart_send[6+6*report_num],&nearbase_distlist[i],4); |
| | | report_num++; |
| | | } |
| | | } |
| | | #ifdef USART_INTEGRATE_OUTPUT |
| | | usart_send[0] = 0x55; |
| | | usart_send[1] = 0xAA; |
| | | 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); |
| | | USART_puts(usart_send,6+report_num*6); |
| | | #endif |
| | | |
| | | 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); |
| | | if(para_update==1) |
| | | { |
| | | uint16_t calCRC; |
| | | calCRC = CRC_Compute(rec_remotepara,5); |
| | | if(memcmp(&calCRC,&rec_remotepara[5],2)==0) |
| | | { uint8_t pack_msgtype,pack_index,pack_length; |
| | | pack_msgtype = rec_remotepara[0]; |
| | | pack_index = rec_remotepara[1]; |
| | | pack_length = rec_remotepara[2]; |
| | | if(pack_msgtype==2) |
| | | { |
| | | if( pack_index == 1)//MOTOR_ONTIME_INDEX) |
| | | { |
| | | |
| | | // motor_keeptime = rec_remotepara[3]; |
| | | }else{ |
| | | if(pack_index<200) |
| | | { |
| | | 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(); |
| | | } |
| | | } |
| | | } |
| | | } |
| | | } |
| | | } |
| | | 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[GROUP_ID_IDX] = group_id; |
| | | 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; |
| | | } |
| | | dwt_configuresleep(0x940, 0x7); |
| | | dwt_entersleep(); |
| | | } |
| | | u32 id; |
| | | void Tag_App(void)//发送模式(TAG标签) |
| | | void UWB_Wkup(void) |
| | | { |
| | | |
| | | //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(); |
| | | bat_percent=Get_VDDVlotage(); |
| | | } |