From 6e05e12690b25544bc4d678a9b814a864afe0b8d Mon Sep 17 00:00:00 2001 From: zhyinch <zhyinch@gmail.com> Date: 星期六, 23 五月 2020 18:52:17 +0800 Subject: [PATCH] V1.23 标签没数据2S之后,MODBUS输出0x1ffff --- 源码/核心板/Src/application/dw_app.c | 281 +++++++++++++++++++++++++++++++++++++++++--------------- 1 files changed, 205 insertions(+), 76 deletions(-) diff --git "a/\346\272\220\347\240\201/\346\240\270\345\277\203\346\235\277/Src/application/dw_app.c" "b/\346\272\220\347\240\201/\346\240\270\345\277\203\346\235\277/Src/application/dw_app.c" index 9b4c5fa..878310c 100644 --- "a/\346\272\220\347\240\201/\346\240\270\345\277\203\346\235\277/Src/application/dw_app.c" +++ "b/\346\272\220\347\240\201/\346\240\270\345\277\203\346\235\277/Src/application/dw_app.c" @@ -27,7 +27,7 @@ #include "filters.h" #include <stdio.h> #include "beep.h" - +#include "modbus.h" /*------------------------------------ Marcos ------------------------------------------*/ /* Inter-ranging delay period, in milliseconds. */ @@ -46,9 +46,9 @@ #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 1500 +#define RESP_RX_TO_FINAL_TX_DLY_UUS 400 /* Receive response timeout. See NOTE 5 below. */ -#define RESP_RX_TIMEOUT_UUS 2700 +#define RESP_RX_TIMEOUT_UUS 600 #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. */ @@ -64,18 +64,28 @@ #define FINAL_MSG_FINAL_TX_TS_IDX 18 #define FINAL_MSG_TS_LEN 4 +#define SYNC_SEQ_IDX 5 +//common #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 DIST_IDX 10 +#define ANCTIMEMS 14 +#define ANCTIMEUS 16 +#define ANCSEND_INTERVAL 18 #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). */ @@ -86,23 +96,24 @@ 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) */ + 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[18] = {0}; +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 tx_final_msg[24] = {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[16] = {0}; +static uint8_t tx_resp_msg[22] = {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; +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 uint32_t status_reg = 0; @@ -125,7 +136,7 @@ static double tof; -uint32_t anchor_dist_last_frm[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; uint8_t random_delay_tim = 0; @@ -136,7 +147,7 @@ float dis_after_filter; //当前距离值 LPFilter_Frac* p_Dis_Filter; //测距用的低通滤波器 -uint16_t g_Tagdist[TOTAL_TAG_NUM]; +int32_t g_Tagdist[TAG_NUM_IN_SYS]; uint8_t g_flag_Taggetdist[256]; /*------------------------------------ Functions ------------------------------------------*/ @@ -226,12 +237,14 @@ 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++) + for(i=0;i<100;i++) { g_flag_Taggetdist[i]++; if(g_flag_Taggetdist[i]>=2) { g_Tagdist[i]=0xffff; + Modbus_HoldReg[i*2]=1; + Modbus_HoldReg[i*2+1]=0xffff; } } } @@ -256,8 +269,7 @@ /* 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. */ - 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); //设置接收超时时间 + //设置接收超时时间 } void Dw1000_App_Init(void) { @@ -265,10 +277,18 @@ 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[GROUP_ID_IDX], &group_id, 1); + memcpy(&tx_final_msg[GROUP_ID_IDX], &group_id, 1); + memcpy(&tx_resp_msg[GROUP_ID_IDX], &group_id, 1); + 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); + memcpy(&tx_resp_msg[ANCSEND_INTERVAL], &g_com_map[COM_INTERVAL], 2); } uint16_t Checksum_u16(uint8_t* pdata, uint32_t len) { @@ -280,7 +300,7 @@ return sum; } -u16 tag_time_recv[TOTAL_TAG_NUM]; +u16 tag_time_recv[TAG_NUM_IN_SYS]; u8 usart_send[25]; u8 battary,button; extern uint8_t g_pairstart; @@ -289,24 +309,47 @@ dwt_configuresleep(0x940, 0x7); dwt_entersleep(); } +extern uint8_t g_start_send_flag; +u8 g_start_sync_flag; +void SyncPoll(u8 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); +} uint16_t g_Resttimer; uint8_t result; u8 tag_succ_times=0; -u32 hex_dist; +int32_t hex_dist,hex_dist2; u16 checksum; +int8_t tag_delaytime; +extern uint16_t sync_timer; +u16 tmp_time; +extern float dw_vbat; void Tag_App(void)//发送模式(TAG标签) { uint32_t frame_len; uint32_t final_tx_time; u32 start_poll; - u8 i; - + u8 i,getsync_flag=0; + u8 bat_percent; + //LED0_ON; + dwt_forcetrxoff(); g_Resttimer=0; - GPIO_ResetBits(SPIx_GPIO, SPIx_CS); - delay_us(2500); - GPIO_SetBits(SPIx_GPIO, SPIx_CS); + 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; - for(i=0;i<REPOET_ANC_NUM;i++) + bat_percent=(dw_vbat-2.8)/0.5*100; + if(bat_percent>100) + bat_percent=100; + tx_poll_msg[BATTARY_IDX] = bat_percent;//Get_Battary(); + tx_poll_msg[BUTTON_IDX] = !READ_KEY0; + tx_poll_msg[SEQUENCE_IDX] = frame_seq_nb++; + GPIO_WriteBit(GPIOA, GPIO_Pin_9, Bit_RESET); + 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; @@ -322,8 +365,8 @@ 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(time32_incr - start_poll>20) NVIC_SystemReset(); - UART_CheckReceive(); - UART_CheckSend(); + IdleTask(); + }; /* Increment frame sequence number after transmission of the poll message (modulo 256). */ @@ -346,14 +389,38 @@ /* 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 - { + if (rx_buffer[GROUP_ID_IDX] == group_id&&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 + { u16 anc_id_recv,rec_com_interval; /* 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 - memcpy(&anchor_dist_last_frm[tag_id], &rx_buffer[DIST_IDX], 4); + if(getsync_flag==0&&g_com_map[DEV_ROLE]) + { + 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;} + } + 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); + memcpy(&rec_com_interval,&rx_buffer[ANCSEND_INTERVAL], 2); + if(rec_com_interval>4&&rec_com_interval!=g_com_map[COM_INTERVAL]) + { + g_com_map[COM_INTERVAL]=rec_com_interval; + save_com_map_to_flash(); + delay_ms(100); + SCB->AIRCR = 0X05FA0000|(unsigned int)0x04; //软复位回到bootloader + } + /* 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 @@ -374,6 +441,32 @@ tag_succ_times++; + LED0_BLINK; + + memcpy(&anc_id_recv,&rx_buffer[ANCHOR_ID_IDX],2); + if(hex_dist2!=0xffff) + { + g_Tagdist[anc_id_recv]= hex_dist2; + g_flag_Taggetdist[anc_id_recv]=0; + + if(!g_com_map[MODBUS_MODE]) + { + hex_dist2 = hex_dist2; + 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] = bat_percent; + 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 @@ -399,23 +492,25 @@ } // deca_sleep(10); } - dwt_entersleep(); - if(tag_succ_times<REPOET_ANC_NUM_MIN) - { - random_delay_tim =time32_incr&0x8f+7; - deca_sleep(random_delay_tim); - } - LED0_BLINK; - RTC_SET_ALARM(1); +// dwt_entersleep(); +// if(tag_succ_times<g_com_map[MIN_REPORT_ANC_NUM]) +// { +// //poll_timer +=time32_incr&0x7+3; +// } + /* Execute a delay between ranging exchanges. */ } - +int8_t correction_time; +extern uint8_t sync_seq; +#define TDFILTER +//#define CHECK_UID +extern uint8_t UID_ERROR; void Anchor_App(void) { uint32_t frame_len; uint32_t resp_tx_time; - + static u8 misdist_num; /* Clear reception timeout to start next ranging process. */ dwt_setrxtimeout(0);//设定接收超时时间,0位没有超时时间 @@ -423,10 +518,9 @@ dwt_rxenable(0);//打开接收 /* Poll for reception of a frame or error/timeout. See NOTE 7 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接收成功或者出现错误 + while (!((status_reg = dwt_read32bitreg(SYS_STATUS_ID)) & (SYS_STATUS_RXFCG | SYS_STATUS_ALL_RX_ERR))&&!g_start_send_flag&&!g_start_sync_flag)//不断查询芯片状态直到接收成功或者出现错误 { - UART_CheckReceive(); - UART_CheckSend(); + IdleTask(); g_Resttimer=0; }; @@ -456,8 +550,15 @@ // tag_recv_interval = tag_recv_timer + 65535 - tag_time_recv[tag_id_recv]; // } - if (rx_buffer[MESSAGE_TYPE_IDX] == POLL&&(anchor_type == rx_buffer[ANC_TYPE_IDX])) //判断是否是poll包数据 + if (rx_buffer[GROUP_ID_IDX] == group_id&&rx_buffer[MESSAGE_TYPE_IDX] == POLL&&(anchor_type == rx_buffer[ANC_TYPE_IDX])) //判断是否是poll包数据 { + tmp_time=TIM3->CNT; + memcpy(&tx_resp_msg[ANCTIMEMS],&sync_timer,2); + memcpy(&tx_resp_msg[ANCTIMEUS],&tmp_time,2); + +// if(correction_time>10) +// {correction_time++;} + /* Retrieve poll reception timestamp. */ poll_rx_ts = get_rx_timestamp_u64();//获得Poll包接收时间T2 @@ -470,13 +571,16 @@ dwt_setrxtimeout(FINAL_RX_TIMEOUT_UUS);//接收超时时间 /* Write and send the response message. See NOTE 9 below.*/ - if(tag_id_recv-TAG_ID_START<=TOTAL_TAG_NUM) - memcpy(&tx_resp_msg[DIST_IDX], &anchor_dist_last_frm[tag_id_recv-TAG_ID_START], 4); + if(tag_id_recv-TAG_ID_START<=TAG_NUM_IN_SYS) + memcpy(&tx_resp_msg[DIST_IDX], &g_Tagdist[tag_id_recv], 4); dwt_writetxdata(sizeof(tx_resp_msg), tx_resp_msg, 0);//写入发送数据 dwt_writetxfctrl(sizeof(tx_resp_msg), 0);//设定发送长度 result = dwt_starttx(DWT_START_TX_DELAYED | DWT_RESPONSE_EXPECTED);//延迟发送,等待接收 + battary = rx_buffer[BATTARY_IDX]; + button = rx_buffer[BUTTON_IDX]; + frame_seq_nb2 = rx_buffer[SEQUENCE_IDX]; /* We assume that the transmission is achieved correctly, now poll for reception of expected "final" frame or error/timeout. * See NOTE 7 below. */ if(result==0) @@ -500,7 +604,7 @@ /* Check that the frame is a final message sent by "DS TWR initiator" example. * As the sequence number field of the frame is not used in this example, it can be zeroed to ease the validation of the frame. */ - if (rx_buffer[MESSAGE_TYPE_IDX] == FINAL&&!memcmp(&rx_buffer[TAG_ID_IDX],&tag_id_recv,4)&&!memcmp(&rx_buffer[ANCHOR_ID_IDX],&dev_id,4)) //判断是否为Final包 + if (rx_buffer[GROUP_ID_IDX] == group_id&&rx_buffer[MESSAGE_TYPE_IDX] == FINAL&&!memcmp(&rx_buffer[TAG_ID_IDX],&tag_id_recv,4)&&!memcmp(&rx_buffer[ANCHOR_ID_IDX],&dev_id,4)) //判断是否为Final包 { uint32_t poll_tx_ts, resp_rx_ts, final_tx_ts; uint32_t poll_rx_ts_32, resp_tx_ts_32, final_rx_ts_32; @@ -516,6 +620,10 @@ final_msg_get_ts(&rx_buffer[FINAL_MSG_RESP_RX_TS_IDX], &resp_rx_ts); final_msg_get_ts(&rx_buffer[FINAL_MSG_FINAL_TX_TS_IDX], &final_tx_ts); + #ifdef CHECK_UID + if(UID_ERROR==1) + poll_rx_ts=0; + #endif /* Compute time of flight. 32-bit subtractions give correct answers even if clock has wrapped. See NOTE 10 below. */ poll_rx_ts_32 = (uint32_t)poll_rx_ts;//使用32位数据计算 resp_tx_ts_32 = (uint32_t)resp_tx_ts; @@ -530,50 +638,71 @@ distance = tof * SPEED_OF_LIGHT;//距离=光速*飞行时间 dist_no_bias = distance - dwt_getrangebias(config.chan, (float)distance, config.prf); //距离减去矫正系数 - dist_cm = dist_no_bias * 100; //dis 为单位为cm的距离 + dist_cm = dist_no_bias * 1000; //dis 为单位为cm的距离 // dist[TAG_ID] = LP(dis, TAG_ID); //LP 为低通滤波器,让数据更稳定 /*--------------------------以下为非测距逻辑------------------------*/ LED0_BLINK; //每成功一次通讯则闪烁一次 g_UWB_com_interval = 0; - dis_after_filter=dist_cm; - // g_Tagdist[tag_id_recv-TAG_ID_START]=dist_cm; -// if(g_pairstart==1&&dist_cm<20) -// { -// g_pairstart=0; -// g_com_map[PAIR_ID]=tag_id_recv; -// save_com_map_to_flash(); -// BEEP2_ON; -// delay_ms(1000); -// printf("Pair Finish PairID: %d. \r\n",g_com_map[PAIR_ID]); -// } - // tag_time_recv[tag_id_recv] = tag_recv_timer; - g_flag_Taggetdist[tag_id_recv-TAG_ID_START]=0; - anchor_dist_last_frm[tag_id_recv-TAG_ID_START] = dist_cm; - #ifdef HEX_OUTPUT - usart_send[2] = frame_seq_nb++; - //usart_send[6] = tag_id_recv; - //usart_send[8] = g_com_map[DEV_ID]; - memcpy(&usart_send[3],&tag_id_recv,4); - memcpy(&usart_send[7],&dev_id,4); - hex_dist = dist_cm; - memcpy(&usart_send[11],&hex_dist,4); - usart_send[15] = battary; - usart_send[16] = button; - checksum = Checksum_u16(&usart_send[2],19); - memcpy(&usart_send[21],&checksum,2); - UART_PushFrame(usart_send,23); - #else - printf("Anchor ID: %d, Tag ID: %d, Dist = %d cm\n", g_com_map[DEV_ID], tag_id_recv, (uint16_t)dis_after_filter); - #endif + hex_dist = dist_cm+(int16_t)g_com_map[DIST_OFFSET]*10; + if(tag_id_recv-TAG_ID_START<=TAG_NUM_IN_SYS) + { + if(hex_dist-his_dist[tag_id_recv-TAG_ID_START]<15000||misdist_num>4) + {int32_t filter_dist; + misdist_num=0; + if(hex_dist<1000000&&hex_dist>-10000) + { + #ifdef TDFILTER + NewTrackingDiffUpdate(tag_id_recv-TAG_ID_START, (float)hex_dist); + filter_dist=pos_predict[tag_id_recv-TAG_ID_START]/10; + #else + filter_dist=hex_dist/10; + #endif + anchor_dist_last_frm[tag_id_recv-TAG_ID_START]=filter_dist; + g_Tagdist[tag_id_recv]= filter_dist; + + his_dist[tag_id_recv-TAG_ID_START]=hex_dist; + g_flag_Taggetdist[tag_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_nb2;//数据段长度 + memcpy(&usart_send[5],&tag_id_recv,2); + memcpy(&usart_send[7],&dev_id,2); + + memcpy(&usart_send[9],&anchor_dist_last_frm[tag_id_recv-TAG_ID_START],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[tag_id_recv*2],&anchor_dist_last_frm[tag_id_recv-TAG_ID_START],4); + Modbus_HoldReg[tag_id_recv*2]=g_Tagdist[tag_id_recv-TAG_ID_START]>>16; + Modbus_HoldReg[tag_id_recv*2+1]=g_Tagdist[tag_id_recv-TAG_ID_START]; //dis_after_filter = LP_Frac_Update(p_Dis_Filter, dist_cm); - + } + + }else{ + misdist_num++; + } + } } }else{ /* Clear RX error events in the DW1000 status register. */ dwt_write32bitreg(SYS_STATUS_ID, SYS_STATUS_ALL_RX_ERR); } + }else if(rx_buffer[MESSAGE_TYPE_IDX] == SYNC) + { + if(rx_buffer[SYNC_SEQ_IDX]<sync_seq&&sync_mainbase==0) + { + sync_seq=rx_buffer[SYNC_SEQ_IDX]+1; + TIM3->CNT = sync_seq*325%1000+15; + sync_timer = sync_seq*325/1000; + SyncPoll(sync_seq); + } } } else -- Gitblit v1.9.3