From 059d262c269a049b905a09a6b484d39d6bda9280 Mon Sep 17 00:00:00 2001 From: yincheng.zhong <634916154@qq.com> Date: 星期三, 12 六月 2024 17:13:11 +0800 Subject: [PATCH] V1.41 无有效测距的时候,随机跳时间片 133ms内随机时间 --- Src/application/dw_app.c | 929 ++++++++++++++++++++++++++++++++++++++-------------------- 1 files changed, 608 insertions(+), 321 deletions(-) diff --git a/Src/application/dw_app.c b/Src/application/dw_app.c index d1ffd22..5313756 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 * @@ -15,6 +15,7 @@ */ #include <string.h> +#include <math.h> #include "dw_app.h" #include "deca_device_api.h" #include "deca_regs.h" @@ -29,6 +30,7 @@ #include "beep.h" #include "modbus.h" +#define USART_INTEGRATE_OUTPUT /*------------------------------------ Marcos ------------------------------------------*/ /* Inter-ranging delay period, in milliseconds. */ #define RNG_DELAY_MS 100 @@ -46,15 +48,19 @@ #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 800 +#define RESP_RX_TO_FINAL_TX_DLY_UUS 410 + /* Receive response timeout. See NOTE 5 below. */ #define RESP_RX_TIMEOUT_UUS 600 -#define POLL_RX_TO_RESP_TX_DLY_UUS 420 +#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 SPEED_OF_LIGHT 299702547 @@ -64,102 +70,53 @@ #define FINAL_MSG_FINAL_TX_TS_IDX 18 #define FINAL_MSG_TS_LEN 4 -#define SYNC_SEQ_IDX 5 -#define GROUP_ID_IDX 0 -#define ANCHOR_ID_IDX 1 -#define TAG_ID_IDX 5 -#define MESSAGE_TYPE_IDX 9 -#define DIST_IDX 10 -//Poll -#define ANC_TYPE_IDX 14 -#define BATTARY_IDX 15 -#define BUTTON_IDX 16 -#define SEQUENCE_IDX 17 -//respose -#define ANCTIMEMS 14 -#define ANCTIMEUS 16 - -#define POLL 0x01 -#define RESPONSE 0x02 -#define FINAL 0x03 -#define SYNC 0x04 - -/*------------------------------------ Variables ------------------------------------------*/ -/* Default communication configuration. We use here EVK1000's default mode (mode 3). */ +enum enumtagstate +{ + DISCPOLL, + GETNEARMSG, + NEARPOLL, +} tag_state=NEARPOLL; 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. */ - 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. */ + 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. */ }; - -/* Frames used in the ranging process. See NOTE 2 below. */ static uint8_t tx_poll_msg[20] = {0}; static uint8_t tx_sync_msg[14] = {0}; -//static uint8_t rx_resp_msg[] = {0x41, 0x88, 0, 0xCA, 0xDE, 'V', 'E', 'W', 'A', 0x10, 0x02, 0, 0, 0, 0}; -static uint8_t tx_final_msg[] = {0x41, 0x88, 0, 0xCA, 0xDE, 'W', 'A', 'V', 'E', 0x23, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; - -//static uint8_t rx_poll_msg[] = {0x00, 0x88, 0, 0xCA, 0xDE, 'W', 'A', 'V', 'E', 0x21, 0, 0}; -static uint8_t tx_resp_msg[20] = {0}; -//static uint8_t rx_final_msg[] = {0x41, 0x88, 0, 0xCA, 0xDE, 'W', 'A', 'V', 'E', 0x23, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; - -/* Frame sequence number, incremented after each transmission. */ -static uint32_t frame_seq_nb = 0,frame_seq_nb2=0; - -/* Hold copy of status register state here for reference, so reader can examine it at a breakpoint. */ +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; - -/* Buffer to store received response message. - * Its size is adjusted to longest frame that this example code is supposed to handle. */ -#define RX_BUF_LEN 24 -static uint8_t rx_buffer[RX_BUF_LEN]; - -/* Time-stamps of frames transmission/reception, expressed in device time units. - * As they are 40-bit wide, we need to define a 64-bit int type to handle them. */ +static uint8_t rx_buffer[100]; static uint64_t poll_tx_ts; static uint64_t resp_rx_ts; static uint64_t final_tx_ts; - -/* Length of the common part of the message (up to and including the function code, see NOTE 2 below). */ 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]; ; +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; +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 -int32_t g_Tagdist[TAG_NUM_IN_SYS]; -uint8_t g_flag_Taggetdist[256]; -/*------------------------------------ Functions ------------------------------------------*/ -/*! ------------------------------------------------------------------------------------------------------------------ - * @fn get_tx_timestamp_u64() - * - * @brief Get the TX time-stamp in a 64-bit variable. - * /!\ This function assumes that length of time-stamps is 40 bits, for both TX and RX! - * - * @param none - * - * @return 64-bit value of the read time-stamp. - */ static uint64_t get_tx_timestamp_u64(void) { uint8_t ts_tab[5]; @@ -174,16 +131,6 @@ return ts; } -/*! ------------------------------------------------------------------------------------------------------------------ - * @fn get_rx_timestamp_u64() - * - * @brief Get the RX time-stamp in a 64-bit variable. - * /!\ This function assumes that length of time-stamps is 40 bits, for both TX and RX! - * - * @param none - * - * @return 64-bit value of the read time-stamp. - */ static uint64_t get_rx_timestamp_u64(void) { uint8_t ts_tab[5]; @@ -198,17 +145,6 @@ return ts; } -/*! ------------------------------------------------------------------------------------------------------------------ - * @fn final_msg_set_ts() - * - * @brief Fill a given timestamp field in the final message with the given value. In the timestamp fields of the final - * message, the least significant byte is at the lower address. - * - * @param ts_field pointer on the first byte of the timestamp field to fill - * ts timestamp value - * - * @return none - */ static void final_msg_set_ts(uint8_t *ts_field, uint64_t ts) { int i; @@ -228,61 +164,47 @@ *ts += ts_field[i] << (i * 8); } } -void TagDistClear(void) -{ - static uint16_t clear_judge_cnt; - uint16_t i; - if(clear_judge_cnt++>1000) //设定1S分频,每秒进一次。判断标志位大于等于2,2s没收到数据就把数据变成0xffff,不触发警报。 - { - clear_judge_cnt=0; - for(i=0;i<255;i++) - { - g_flag_Taggetdist[i]++; - if(g_flag_Taggetdist[i]>=20) - { - g_Tagdist[i]=0xffff; - } - } - } -} 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 - - + + /* 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 /* 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; - 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, 4); - memcpy(&tx_final_msg[TAG_ID_IDX], &dev_id, 4); - memcpy(&tx_resp_msg[ANCHOR_ID_IDX], &dev_id, 4); - memcpy(&tx_sync_msg[ANCHOR_ID_IDX], &dev_id, 4); -} -uint16_t Checksum_u16(uint8_t* pdata, uint32_t len) + //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 sum = 0; uint32_t i; @@ -292,209 +214,574 @@ return sum; } -uint16_t tag_time_recv[TAG_NUM_IN_SYS]; -uint8_t usart_send[25]; -uint8_t battary,button; +u16 tag_time_recv[TAG_NUM_IN_SYS]; +u8 usart_send[25]; +u8 battary,button; extern uint8_t g_pairstart; void tag_sleep_configuraion(void) { - dwt_configuresleep(0x940, 0x7); - dwt_entersleep(); -} -uint8_t g_start_send_flag; -uint8_t g_start_sync_flag; -void SyncPoll(uint8_t sync_seq) -{ - g_start_sync_flag=1; - dwt_forcetrxoff(); - tx_sync_msg[SYNC_SEQ_IDX]=sync_seq; - dwt_writetxdata(sizeof(tx_sync_msg), tx_sync_msg, 0);//将Poll包数据传给DW1000,将在开启发送时传出去 - dwt_writetxfctrl(sizeof(tx_sync_msg), 0);//设置超宽带发送数据长度 - dwt_starttx(DWT_START_TX_IMMEDIATE); + dwt_configuresleep(0x940, 0x7); + dwt_entersleep(); } +extern uint8_t g_start_send_flag; + uint16_t g_Resttimer; uint8_t result; -uint8_t tag_succ_times=0; -int32_t hex_dist,hex_dist2; -uint16_t checksum; +u8 tag_succ_times=0; +int32_t hex_dist; +u16 checksum; int8_t tag_delaytime; extern uint16_t sync_timer; -uint16_t tmp_time,sync_count; -uint32_t time32_incr;uint32_t frame_len; +u16 tmp_time; +int32_t temp_dist; +u16 tagslotpos,rec_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; +int16_t target_offsettime = 850; +u32 target_time=100; +u8 pd_i; +u32 temptime,delaytime,expect_anctime; +int32_t error_time; +u16 delaycount,slotpos_intoatl; +int16_t poll_offsettime=-6900,clockoffset; +extern u16 slotpos,bigslot_num; +void NextPollDelay(u32 anchor_time) +{ + //tagslotpos = 0; + error_time = anchor_time-expect_anctime; + if(error_time<2000&&error_time>0) + clockoffset += (target_offsettime-error_time)*0.1; + 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) + { + current_slotnum = pd_i; + delaytime = temptime-anchor_time+poll_offsettime+clockoffset; + expect_anctime = temptime; + return ; + } + } + temptime = (tagslotpos*SLOTTIME_MS+100+10000)*100; + expect_anctime = temptime-1000000; + delaytime = temptime-anchor_time+poll_offsettime+clockoffset; + return ; +} +u16 lpcount,poll_startcount,last_lpcount; +u16 waketopolltimeus = 4500; +#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; + } + if(lpcount>=32768) + { + lpcount -=32768; + } + __HAL_LPTIM_COMPARE_SET(&hlptim1, lpcount); + last_lpcount = lpcount; +} + +void NextSlotDelayMs(int16_t delayms) +{ + current_slotnum++; + if(current_slotnum>=tag_frequency) + { + current_slotnum = 0; + lpcount = last_lpcount+31457/tag_frequency+1311+32.767*delayms;//(float)(delayms+40)*32.767 ;//(200/tag_frequency+delayms)*4.8*1000/LPTIMER_LSB + } else { + lpcount = last_lpcount+31457/tag_frequency+32.767*delayms;//(float)(200/tag_frequency*48+delayms*10)*3.3 ; + } + if(lpcount>=32768) + { + lpcount -=32768; + } + poll_startcount = lpcount+(waketopolltimeus)/LPTIMER_LSB; + if(poll_startcount>=32768) + { + poll_startcount -=32768; + } + __HAL_LPTIM_COMPARE_SET(&hlptim1, lpcount); + last_lpcount = lpcount; +} +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; +extern int16_t g_commap_antdelay; +u8 motor_state,rec_remotepara_state,rec_remotepara[80]; +u16 sync_anc_id = 0xffff,sync_anc_losttime = 0; +int32_t ancsync_time,tpos; +void SyncAncUpdate(u16 ancid,int32_t anctime,u16 slotpos) +{ + if(ancid<=sync_anc_id) + { + SetLPTimer(ancsync_time); + tagslotpos = slotpos; + sync_anc_losttime = 0; + sync_anc_id = ancid; + } +} +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; + // + 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; + if(sync_anc_losttime++>10) + { + sync_anc_id = 0xffff; + } +// 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[NEARBASEID_INDEX+nearbase_num*4],&g_commap_antdelay,2); + memcpy(&tx_near_msg[ANCHOR_ID_IDX],&mainbase_id,2); + dwt_writetxdata(15+4*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(15+4*nearbase_num, 0);//设置超宽带发送数据长度 + + current_count=HAL_LPTIM_ReadCounter(&hlptim1); + while(current_count<poll_startcount||current_count>poll_startcount+16384) + { + current_count=HAL_LPTIM_ReadCounter(&hlptim1); + if(current_count<poll_startcount-300) + { + break; + } + } + + 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 +// HAL_GPIO_WritePin(LED1_G_GPIO_Port, LED1_G_Pin, GPIO_PIN_SET); + 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*SLOT_SCALE)+3; + 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)&&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); + 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(&rec_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;} + } + ancsync_time=((sync_timer)*1000+tmp_time); + SyncAncUpdate(rec_nearbaseid,ancsync_time,rec_tagslotpos); + // 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; + rec_remotepara_state=rx_buffer[MOTORSTATE_INDEX]>>4; + + 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 { + memcpy(&sync_timer,&rx_buffer[ANCTIMEMS],2); + memcpy(&tmp_time,&rx_buffer[ANCTIMEUS],2); + current_count=HAL_LPTIM_ReadCounter(&hlptim1); + memcpy(&rec_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;} + } + ancsync_time=((sync_timer)*1000+tmp_time); + SyncAncUpdate(rec_nearbaseid,ancsync_time,rec_tagslotpos); + + 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; + j=0; + if(sync_anc_losttime!=0) + { + NextSlotDelayMs(HAL_LPTIM_ReadCounter(&hlptim1)%133); + } + // 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]==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); +// HAL_GPIO_WritePin(LED1_G_GPIO_Port, LED1_G_Pin, 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[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; + } +} +u32 id; void Tag_App(void)//发送模式(TAG标签) { - - uint32_t final_tx_time; - uint32_t start_poll,id; - uint8_t i,getsync_flag=0; - //LED0_ON; - //dwt_forcetrxoff(); - id = dwt_readdevid() ; - while (DWT_DEVICE_ID != id) + + //LED0_ON; + id = dwt_readdevid() ; + while (DWT_DEVICE_ID != id) { - id = dwt_readdevid() ; + id = dwt_readdevid() ; } - g_Resttimer=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; - tx_poll_msg[BATTARY_IDX] = Get_Battary(); - //tx_poll_msg[BUTTON_IDX] = !READ_KEY0; - tx_poll_msg[SEQUENCE_IDX] = frame_seq_nb++; - - for(i=0;i<g_com_map[MAX_REPORT_ANC_NUM];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 - - /* Start transmission, indicating that a response is expected so that reception is enabled automatically after the frame is sent and the delay - * set by dwt_setrxaftertxdelay() has elapsed. */ - result=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 - 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)))//不断查询芯片状态直到成功接收或者发生错误 - { - status_reg = dwt_read32bitreg(SYS_STATUS_ID); -// if(time32_incr - start_poll>20) -// NVIC_SystemReset(); - // IdleTask(); - - }; - - /* Increment frame sequence number after transmission of the poll message (modulo 256). */ - if(status_reg==0xffffffff) - { - // NVIC_SystemReset(); - } - - if (status_reg & SYS_STATUS_RXFCG)//如果成功接收 - { - /* Clear good RX frame event and TX frame sent in the DW1000 status register. */ - dwt_write32bitreg(SYS_STATUS_ID, SYS_STATUS_RXFCG | SYS_STATUS_TXFRS);//清楚寄存器标志位 - - /* A frame has been received, read it into the local buffer. */ - 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 - - - /* Check that the frame is the expected response from the companion "DS TWR responder" example. - * As the sequence number field of the frame is not relevant, it is cleared to simplify the validation of the frame. */ - - if (rx_buffer[MESSAGE_TYPE_IDX] == RESPONSE&&!memcmp(&rx_buffer[TAG_ID_IDX],&dev_id,4)) //判断接收到的数据是否是response数据 - { uint16_t anc_id_recv; - /* Retrieve poll transmission and response reception timestamp. */ - 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&&g_com_map[DEV_ROLE]) + g_Resttimer=0; + if(bat_percent>15) { - getsync_flag=1; - memcpy(&sync_timer,&rx_buffer[ANCTIMEMS],2); - memcpy(&tmp_time,&rx_buffer[ANCTIMEUS],2); - tmp_time=tmp_time+450; - if(tmp_time>999) - { - tmp_time-=999; - sync_timer++; - if(sync_timer>=1010) - {sync_timer=0;} + LED_TB_ON; + } else { + LED_TR_ON; } - sync_count=(sync_timer*1000+tmp_time)/LPTIMER_LSB; - __HAL_LPTIM_CNT_SET(&hlptim1, sync_count); - for(i=0;i<100;i++) - { - lastpoll_count = slot_startcount+i*interval_count; - if(lastpoll_count>sync_count) - { - __HAL_LPTIM_COMPARE_SET(&hlptim1, lastpoll_count); - break; - } - } - +// tag_state=DISCPOLL; + switch(tag_state) + { + case DISCPOLL: + // Poll(); + break; + case GETNEARMSG: - // TIM3->CNT=tmp_time; - } - memcpy(&hex_dist2, &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 + GetNearMsg(); - /* Final TX timestamp is the transmission time we programmed plus the TX antenna delay. */ - 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 - - /* Write all timestamps in the final message. See NOTE 10 below. */ - 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); - - /* Write and send final message. See NOTE 7 below. */ - - 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; - - memcpy(&anc_id_recv,&rx_buffer[ANCHOR_ID_IDX],2); -// g_Tagdist[anc_id_recv]= hex_dist; -// g_flag_Taggetdist[anc_id_recv]=0; - if(!g_com_map[MODBUS_MODE]) - { - usart_send[2] = 1;//正常模式 - usart_send[3] = 17;//数据段长度 - usart_send[4] = frame_seq_nb;//数据段长度 - memcpy(&usart_send[5],&dev_id,2); - memcpy(&usart_send[7],&rx_buffer[ANCHOR_ID_IDX],2); - - memcpy(&usart_send[9],&hex_dist2,4); - usart_send[13] = battary; - usart_send[14] = button; - checksum = Checksum_u16(&usart_send[2],17); - memcpy(&usart_send[19],&checksum,2); - UART_PushFrame(usart_send,21); - } - // memcpy(&Modbus_HoldReg[anc_id_recv*2],&hex_dist,4); - /* Poll DW1000 until TX frame sent event set. See NOTE 8 below. */ - 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 - - /* Increment frame sequence number after transmission of the final message (modulo 256). */ - - 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 - { - /* Clear RX error events in the DW1000 status register. */ - dwt_write32bitreg(SYS_STATUS_ID, SYS_STATUS_ALL_RX_ERR); - random_delay_tim = DFT_RAND_DLY_TIM_MS; - } -// deca_sleep(10); + 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(); + LED_TB_OFF; + LED_TR_OFF; } - dwt_entersleep(); -// if(tag_succ_times<g_com_map[MIN_REPORT_ANC_NUM]) -// { -// //poll_timer +=time32_incr&0x7+3; -// } -//HAL_PWR_EnterSLEEPMode(PWR_MAINREGULATOR_ON, PWR_SLEEPENTRY_WFI); - /* Execute a delay between ranging exchanges. */ - -} - - - -- Gitblit v1.9.3