From d67d922c6345042cb3dfaedd621a2120fe808b70 Mon Sep 17 00:00:00 2001 From: yincheng.zhong <634916154@qq.com> Date: 星期五, 08 三月 2024 10:21:12 +0800 Subject: [PATCH] v1.9 增加蜂鸣,测试1标签对10基站稳定 --- Src/application/dw_app.c | 508 +++++++------------------------------------------------ 1 files changed, 68 insertions(+), 440 deletions(-) diff --git a/Src/application/dw_app.c b/Src/application/dw_app.c index 57cba0a..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 * @@ -15,6 +15,7 @@ */ #include <string.h> +#include <math.h> #include "dw_app.h" #include "deca_device_api.h" #include "deca_regs.h" @@ -28,7 +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 @@ -41,20 +44,24 @@ * 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 850 -/* Receive response timeout. See NOTE 5 below. */ -#define RESP_RX_TIMEOUT_UUS 600 +///* 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 -#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 +///* Receive response timeout. See NOTE 5 below. */ +//#define RESP_RX_TIMEOUT_UUS 600 + +//#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 @@ -64,231 +71,54 @@ #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 _UWB_4G -//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). */ 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. */ +#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. */ }; -/* 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[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[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,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; - -/* 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 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]; ; -uint32_t tag_id = 0; -uint32_t tag_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 - -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]; - uint64_t ts = 0; - int i; - dwt_readtxtimestamp(ts_tab); - for (i = 4; i >= 0; i--) - { - ts <<= 8; - ts |= ts_tab[i]; - } - 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]; - uint64_t ts = 0; - int i; - dwt_readrxtimestamp(ts_tab); - for (i = 4; i >= 0; i--) - { - ts <<= 8; - ts |= ts_tab[i]; - } - 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; - 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); - } -} -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; - } - } - } -} - +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; - 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); -} -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; @@ -298,233 +128,31 @@ 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[100]; +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(); } -uint16_t g_Resttimer; -uint8_t result; -uint8_t tag_succ_times=0; -int32_t hex_dist,hex_dist2; -uint16_t checksum; -int8_t tag_delaytime; -extern uint16_t sync_timer; -uint16_t tmp_time,current_slottimes; -uint32_t time32_incr; -int32_t ancsync_time; -uint32_t frame_len; -int32_t count_offset,nextpoll_delaytime; -void Tag_App(void)//发送模式(TAG标签) +u32 id; +void UWB_Wkup(void) { - - 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) + + 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; - 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] = bat_percent; - //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[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 - { uint16_t anc_id_recv,current_count,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 - - 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 - - /* 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 - - ancsync_time=((sync_timer+0)*1000+tmp_time); - current_count=HAL_LPTIM_ReadCounter(&hlptim1); - // 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-10000)%(g_com_map[COM_INTERVAL]*1000))-5150; - 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); - -// printf("ancsync_time: %u \r\n ",ancsync_time); -// printf("current_slottimes: %u ",current_slottimes); -// printf("nextpoll_delaytime: %u ",nextpoll_delaytime); -// printf("current_count: %u ",current_count); -// printf("lastpoll_count: %u",lastpoll_count); - - - tag_succ_times++; - - - 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); } - 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