From 7c93e39f66f75e445ddb224de1ce70ce6e0b0902 Mon Sep 17 00:00:00 2001
From: WXK <287788329@qq.com>
Date: 星期二, 26 三月 2024 17:51:12 +0800
Subject: [PATCH] V1.13
---
Src/application/dw_app.c | 560 ++++---------------------------------------------------
1 files changed, 49 insertions(+), 511 deletions(-)
diff --git a/Src/application/dw_app.c b/Src/application/dw_app.c
index a9679ed..958f32a 100644
--- a/Src/application/dw_app.c
+++ b/Src/application/dw_app.c
@@ -29,7 +29,9 @@
#include <stdio.h>
#include "beep.h"
#include "modbus.h"
+#include "CRC.h"
+//#define USART_INTEGRATE_OUTPUT
/*------------------------------------ Marcos ------------------------------------------*/
/* Inter-ranging delay period, in milliseconds. */
#define RNG_DELAY_MS 100
@@ -42,22 +44,23 @@
* 1 uus = 512 / 499.2 祍 and 1 祍 = 499.2 * 128 dtu. */
#define UUS_TO_DWT_TIME 65536
-/* Delay between frames, in UWB microseconds. See NOTE 4 below. */
-/* This is the delay from the end of the frame transmission to the enable of the receiver, as programmed for the DW1000's wait for response feature. */
-#define POLL_TX_TO_RESP_RX_DLY_UUS 150
-/* This is the delay from Frame RX timestamp to TX reply timestamp used for calculating/setting the DW1000's delayed TX function. This includes the
- * frame length of approximately 2.66 ms with above configuration. */
-#define RESP_RX_TO_FINAL_TX_DLY_UUS 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 DELAY_BETWEEN_TWO_FRAME_UUS 240
+///* Receive response timeout. See NOTE 5 below. */
+//#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. */
-#define RESP_TX_TO_FINAL_RX_DLY_UUS 200
-/* Receive final timeout. See NOTE 5 below. */
-#define FINAL_RX_TIMEOUT_UUS 4300
+//#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
@@ -68,139 +71,54 @@
#define FINAL_MSG_FINAL_TX_TS_IDX 18
#define FINAL_MSG_TS_LEN 4
+//#define _UWB_4G
-enum enumtagstate
-{
- DISCPOLL,
- GETNEARMSG,
- NEARPOLL,
-}tag_state;
static dwt_config_t config = {
+#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. */
- 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. */
};
-static uint8_t tx_poll_msg[20] = {0};
-static uint8_t tx_sync_msg[14] = {0};
-static uint8_t tx_final_msg[60] = {0};
-static uint8_t tx_resp_msg[22] = {0};
-static uint8_t tx_near_msg[80] = {0};
-static uint32_t frame_seq_nb = 0;
-static uint32_t status_reg = 0;
-static uint8_t rx_buffer[100];
-static uint64_t poll_tx_ts;
-static uint64_t resp_rx_ts;
-static uint64_t final_tx_ts;
-static uint64_t poll_rx_ts;
-static uint64_t resp_tx_ts;
-static uint64_t final_rx_ts;
-static double tof;
-int32_t anchor_dist_last_frm[TAG_NUM_IN_SYS],his_dist[TAG_NUM_IN_SYS]; ;
-uint32_t tag_id = 0;
-uint32_t tag_id_recv = 0;
-uint32_t anc_id_recv = 0;
-uint8_t random_delay_tim = 0;
-double distance, dist_no_bias, dist_cm;
-uint32_t g_UWB_com_interval = 0;
-float dis_after_filter; //当前距离值
-LPFilter_Frac* p_Dis_Filter; //测距用的低通滤波器
-
-
-
-static uint64_t get_tx_timestamp_u64(void)
-{
- uint8_t ts_tab[5];
- uint64_t ts = 0;
- int i;
- dwt_readtxtimestamp(ts_tab);
- for (i = 4; i >= 0; i--)
- {
- ts <<= 8;
- ts |= ts_tab[i];
- }
- return ts;
-}
-
-static uint64_t get_rx_timestamp_u64(void)
-{
- uint8_t ts_tab[5];
- uint64_t ts = 0;
- int i;
- dwt_readrxtimestamp(ts_tab);
- for (i = 4; i >= 0; i--)
- {
- ts <<= 8;
- ts |= ts_tab[i];
- }
- return ts;
-}
-
-static void final_msg_set_ts(uint8_t *ts_field, uint64_t ts)
-{
- int i;
- for (i = 0; i < FINAL_MSG_TS_LEN; i++)
- {
- ts_field[i] = (uint8_t) ts;
- ts >>= 8;
- }
-}
-
-static void final_msg_get_ts(const uint8_t *ts_field, uint32_t *ts)
-{
- int i;
- *ts = 0;
- for (i = 0; i < FINAL_MSG_TS_LEN; i++)
- {
- *ts += ts_field[i] << (i * 8);
- }
-}
-
+uint32_t uwbid=0;
void Dw1000_Init(void)
{
/* Reset and initialise DW1000.
* 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
dwt_initialise(DWT_LOADUCODE);//初始化DW1000
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
}
-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 sum = 0;
@@ -212,7 +130,7 @@
}
u16 tag_time_recv[TAG_NUM_IN_SYS];
-u8 usart_send[25];
+u8 usart_send[300]={0x55,0xAA};
u8 battary,button;
extern uint8_t g_pairstart;
void tag_sleep_configuraion(void)
@@ -220,402 +138,22 @@
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 nearbaseid_list[10],mainbase_id;
-int32_t mainbase_dist,nearbase_distlist[10];
-uint8_t trygetnearmsg_times;
-void Poll(void)
+u32 id;
+void UWB_Wkup(void)
{
- uint32_t frame_len;
- uint32_t final_tx_time;
- u32 start_poll;
- int32_t mindist=999999,minid=-1,temp_dist;
- u8 i,getsync_flag=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;
-// 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;
- 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
- 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
-
- /* 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] == RESPONSE&&!memcmp(&rx_buffer[TAG_ID_IDX],&dev_id,2)) //判断接收到的数据是否是response数据
- {
- 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)
- {
- getsync_flag=1;
- memcpy(&sync_timer,&rx_buffer[ANCTIMEMS],2);
- memcpy(&tmp_time,&rx_buffer[ANCTIMEUS],2);
- 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;
- }
-
- memcpy(&temp_dist, &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
- 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_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);
- 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;
-
- if(temp_dist<mindist)
- {
- memcpy(&minid, &rx_buffer[ANCHOR_ID_IDX], 4);
- tag_state=GETNEARMSG;
- trygetnearmsg_times=5;
- mindist=temp_dist;
- }
- 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
- 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
- {
- dwt_write32bitreg(SYS_STATUS_ID, SYS_STATUS_ALL_RX_ERR);
- random_delay_tim = DFT_RAND_DLY_TIM_MS;
- }
-}
- if(getsync_flag==0)
- {
- tagslotpos--;
- if(tagslotpos==0||tagslotpos>max_slotpos)
- {
- tagslotpos=max_slotpos;
- }
- tyncpoll_time=(tagslotpos-1)*slottime;
- }
- mainbase_id=minid;
-}
-
-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
-void NearAncSelect(void)
-{static u16 last_mainbase_id,change_base_count;
- int32_t nearbase_mindist=99999, nearbase_minpos;
- u8 i;
- for(i=0;i<recbase_num-1;i++)
- {
- if(nearbase_mindist>nearbase_distlist[i])
- {
- nearbase_mindist=nearbase_distlist[i];
- nearbase_minpos=i;
- }
- }
- if(nearbase_mindist<mainbase_dist-THRESHOLD_CHANGE_MAINBASE_DIST)
- {
- if(last_mainbase_id==nearbaseid_list[nearbase_minpos])
- {
- change_base_count++;
- if(change_base_count>CHANGE_BASE_THRESHOLD)
- {
- mainbase_id=last_mainbase_id;
- tag_state=GETNEARMSG;
- }
- }else{
- change_base_count=0;
- }
- last_mainbase_id=nearbaseid_list[nearbase_minpos];
- }else{
- change_base_count=0;
- }
-}
-u8 anclost_times=0;
-uint16_t current_count,start_count,end_count;
-void NearPoll(void)
-{
- static u8 mainbase_lost_count=0,flag_finalsend;
- uint32_t temp1,temp2,dw_systime;
- uint32_t frame_len;
- uint32_t final_tx_time;
- u32 start_poll;
- u8 i,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;
- tx_near_msg[BATTARY_IDX] = Get_Battary();
- //tx_near_msg[BUTTON_IDX] = !READ_KEY0;
- tx_near_msg[SEQUENCE_IDX] = frame_seq_nb++;
- tx_near_msg[NEARBASENUM_INDEX] = nearbase_num;
- memcpy(&tx_near_msg[NEARBASEID_INDEX],&nearbaseid_list,nearbase_num*2);
- tx_near_msg[MESSAGE_TYPE_IDX] = NEAR_POLL;
- memcpy(&tx_near_msg[ANCHOR_ID_IDX],&mainbase_id,2);
- dwt_writetxdata(13+2*nearbase_num, tx_near_msg, 0);//将Poll包数据传给DW1000，将在开启发送时传出去
- dwt_writetxfctrl(13+2*nearbase_num, 0);//设置超宽带发送数据长度
- dwt_starttx(DWT_START_TX_IMMEDIATE | DWT_RESPONSE_EXPECTED);//开启发送，发送完成后等待一段时间开启接收，等待时间在dwt_setrxaftertxdelay中设置
-
- for(i=0;i<nearbase_num;i++)
- nearbase_distlist[i]=0xffff;
-
- flag_finalsend=0;
- start_count=HAL_LPTIM_ReadCounter(&hlptim1);
- recbase_num=0;
- timeout=ceil((float)nearbase_num/4)+2;
- end_count=start_count+(timeout<<5);
- if(end_count>=32768)
- {end_count-=32768;}
- mainbase_dist=100000;
- mainbase_lost_count++;
- while(current_count<end_count||current_count>end_count+15000)
- {
- 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)
- {
- flag_finalsend=0;
- dwt_forcetrxoff();
- dwt_setdelayedtrxtime(final_tx_time);
- result=dwt_starttx(DWT_START_TX_DELAYED);//设定为延迟发送
- break;
- }
- }
- if(current_count>end_count&¤t_count<end_count+15000)
- break;
- };
- if(status_reg==0xffffffff)
- {
- NVIC_SystemReset();
- }
- if (status_reg & SYS_STATUS_RXFCG)//如果成功接收
- {
- dwt_write32bitreg(SYS_STATUS_ID, SYS_STATUS_RXFCG | SYS_STATUS_TXFRS);//清楚寄存器标志位
- frame_len = dwt_read32bitreg(RX_FINFO_ID) & RX_FINFO_RXFLEN_MASK; //获得接收到的数据长度
- dwt_readrxdata(rx_buffer, frame_len, 0); //读取接收数据
- dwt_setrxtimeout(0);//DELAY_BETWEEN_TWO_FRAME_UUS*(nearbase_num+1-recbase_num)+10);//设定接收超时时间，0位没有超时时间
- dwt_rxenable(0);//打开接收
- if (rx_buffer[MESSAGE_TYPE_IDX] == NEAR_RESPONSE&&!memcmp(&rx_buffer[TAG_ID_IDX],&dev_id,2)) //判断接收到的数据是否是response数据
- { u16 rec_nearbaseid,rec_nearbasepos;
- poll_tx_ts = get_tx_timestamp_u64(); //获得POLL发送时间T1
- resp_rx_ts = get_rx_timestamp_u64(); //获得RESPONSE接收时间T4
- recbase_num++;
- memcpy(&rec_nearbaseid,&rx_buffer[ANCHOR_ID_IDX],2);
- if(rec_nearbaseid==mainbase_id)
- {
- //////////////////////////////////时间同步
- memcpy(&sync_timer,&rx_buffer[ANCTIMEMS],2);
- memcpy(&tmp_time,&rx_buffer[ANCTIMEUS],2);
-// 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;
- ////////////////////////////
- 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-((350*UUS_TO_DWT_TIME)>>8);
- temp2=final_tx_time+((100*UUS_TO_DWT_TIME)>>8);
- // dwt_setdelayedtrxtime(final_tx_time);//设置final包发送时间T5
- final_tx_ts = (((uint64_t)(final_tx_time & 0xFFFFFFFE)) << 8) + TX_ANT_DLY;//final包实际发送时间是计算时间加上发送天线delay
- final_msg_set_ts(&tx_near_msg[FINAL_MSG_POLL_TX_TS_IDX], poll_tx_ts);//将T1，T4，T5写入发送数据
- final_msg_set_ts(&tx_near_msg[FINAL_MSG_RESP_RX_NEARBASE_IDX], resp_rx_ts);
- final_msg_set_ts(&tx_near_msg[FINAL_MSG_FINAL_TX_TS_IDX], final_tx_ts);
- tx_near_msg[MESSAGE_TYPE_IDX]=NEAR_FINAL;
- dwt_writetxdata(28+nearbase_num*4, tx_near_msg, 0);//将发送数据写入DW1000
- dwt_writetxfctrl(28+nearbase_num*4, 0);//设定发送数据长度
- 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],&rec_nearbaseid,2);
- memcpy(&usart_send[9],&rx_buffer[DIST_IDX],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);
- //result=dwt_starttx(DWT_START_TX_DELAYED);//设定为延迟发送
- }else{
- rec_nearbasepos=FindNearBasePos(rec_nearbaseid);
- final_msg_set_ts(&tx_near_msg[FINAL_MSG_RESP_RX_NEARBASE_IDX+(rec_nearbasepos+1)*4], resp_rx_ts);
- memcpy(&nearbase_distlist[rec_nearbasepos],&rx_buffer[DIST_IDX],4);
- 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
- LED0_BLINK;
- 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],&rec_nearbaseid,2);
- memcpy(&usart_send[9],&rx_buffer[DIST_IDX],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);
-
- //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
- }
- }
- }
- dwt_write32bitreg(SYS_STATUS_ID,SYS_STATUS_RXFCG| SYS_STATUS_ALL_RX_ERR);
- current_count=HAL_LPTIM_ReadCounter(&hlptim1);
- }
- if(mainbase_lost_count>5)
- {
- tag_state=DISCPOLL;
- }
- NearAncSelect();
- if(recbase_num<MIN_ANCHOR_NUM )
- {
- anclost_times++;
- if(anclost_times>3)
- {
- tagslotpos=poll_tx_ts%(max_slotpos+1);
- }
- }else{
- anclost_times=0;
- }
-
- dwt_write32bitreg(SYS_STATUS_ID, SYS_STATUS_ALL_RX_ERR);
-
-
-}
-
-void GetNearMsg(void)
-{
- u32 start_poll,frame_len;
- memcpy(&tx_near_msg[ANCHOR_ID_IDX],&mainbase_id,2);
- memcpy(&tx_near_msg[TAG_ID_IDX],&dev_id,2);
- tx_near_msg[MESSAGE_TYPE_IDX] = NEAR_MSG;
-
- dwt_setrxaftertxdelay(POLL_TX_TO_RESP_RX_DLY_UUS); //设置发送后开启接收，并设定延迟时间
- dwt_setrxtimeout(RESP_RX_TIMEOUT_UUS);
- dwt_writetxdata(12, tx_near_msg, 0);//将Poll包数据传给DW1000，将在开启发送时传出去
- dwt_writetxfctrl(12, 0);//设置超宽带发送数据长度
- dwt_starttx(DWT_START_TX_IMMEDIATE| DWT_RESPONSE_EXPECTED);
-
- /* We assume that the transmission is achieved correctly, poll for reception of a frame or error/timeout. See NOTE 8 below. */
- while (!((status_reg = dwt_read32bitreg(SYS_STATUS_ID)) & (SYS_STATUS_RXFCG | SYS_STATUS_ALL_RX_ERR)))//不断查询芯片状态直到成功接收或者发生错误
- {
- };
- if(status_reg==0xffffffff)
- {
- NVIC_SystemReset();
- }
- if (status_reg & SYS_STATUS_RXFCG)//如果成功接收
- {
- dwt_write32bitreg(SYS_STATUS_ID, SYS_STATUS_RXFCG | SYS_STATUS_TXFRS);//清楚寄存器标志位
- frame_len = dwt_read32bitreg(RX_FINFO_ID) & RX_FINFO_RXFLEN_MASK; //获得接收到的数据长度
- dwt_readrxdata(rx_buffer, frame_len, 0); //读取接收数据
- if (rx_buffer[MESSAGE_TYPE_IDX] == NEAR_MSG&&!memcmp(&rx_buffer[TAG_ID_IDX],&dev_id,2)) //判断接收到的数据是否是response数据
- {
- nearbase_num=rx_buffer[NEARBASENUM_INDEX];
- 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;
- }
- }
-}
-
-void Tag_App(void)//发送模式(TAG标签)
-{
- //LED0_ON;
- dwt_forcetrxoff();
- g_Resttimer=0;
- switch(tag_state)
- {
- case DISCPOLL:
- Poll();
- break;
- case GETNEARMSG:
- // if(trygetnearmsg_times--!=0)
- {GetNearMsg();
- }
-// else{
-// tag_state=DISCPOLL;
-// }
-
- 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;
- }
-}
+
+ SPIx_CS_GPIO->BRR = SPIx_CS;
+ delay_us(600);
+ SPIx_CS_GPIO->BSRR = SPIx_CS;
+ id = dwt_readdevid() ;
+ while (0xDECA0130!=id)
+ {
+ u8 iderror_count = 0;
+ id = dwt_readdevid() ;
+ if(iderror_count++>100)
+ {
+// printf("UWB芯片ID错误");
+ break;
+ }
+ }
+}
\ No newline at end of file
--
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