From 67e9f19a27e24c4804ebe321c72951380637fef2 Mon Sep 17 00:00:00 2001
From: zhyinch <zhyinch@gmail.com>
Date: 星期五, 13 十一月 2020 12:15:36 +0800
Subject: [PATCH] 1
---
Src/application/dw_app.c | 885 +++++++++++++++++++++++++++++++++++++++++++++++-----------
1 files changed, 711 insertions(+), 174 deletions(-)
diff --git a/Src/application/dw_app.c b/Src/application/dw_app.c
index 646250a..08c29a5 100644
--- a/Src/application/dw_app.c
+++ b/Src/application/dw_app.c
@@ -15,6 +15,7 @@
*/
#include <string.h>
+#include <math.h>
#include "dw_app.h"
#include "deca_device_api.h"
#include "deca_regs.h"
@@ -43,18 +44,22 @@
/* 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
+#define POLL_TX_TO_RESP_RX_DLY_UUS 10
/* 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
-/* Receive response timeout. See NOTE 5 below. */
-#define RESP_RX_TIMEOUT_UUS 600
+#define RESP_RX_TO_FINAL_TX_DLY_UUS 510
-#define POLL_RX_TO_RESP_TX_DLY_UUS 420
+/* Receive response timeout. See NOTE 5 below. */
+#define RESP_RX_TIMEOUT_UUS 1000
+
+#define DELAY_BETWEEN_TWO_FRAME_UUS 240
+
+#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
@@ -64,33 +69,18 @@
#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). */
+#define STARTPOLL DISCPOLL
+enum enumtagstate
+{
+ REGPOLL,
+ DISCPOLL,
+ GETNEARMSG,
+ NEARPOLL,
+}tag_state=STARTPOLL;
static dwt_config_t config = {
2, /* Channel number. */
DWT_PRF_64M, /* Pulse repetition frequency. */
- DWT_PLEN_128, /* Preamble length. */
+ DWT_PLEN_64, /* 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. */
@@ -99,67 +89,34 @@
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]; ;
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
-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;
@@ -228,23 +164,6 @@
*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)
{
@@ -252,7 +171,7 @@
* 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
@@ -272,15 +191,22 @@
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, 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_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, 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)
{
@@ -292,55 +218,97 @@
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);
}
+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;
-uint32_t time32_incr;uint32_t frame_len;
-void Tag_App(void)//发送模式(TAG标签)
+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;
+}
+void MODBUS_Poll(void)
+{
+ uint32_t frame_len;
uint32_t final_tx_time;
- uint32_t start_poll,id;
- uint8_t i,getsync_flag=0;
+ u32 start_poll;
+ u8 i,getsync_flag=0;
+ u8 bat_percent;
//LED0_ON;
//dwt_forcetrxoff();
- while (DWT_DEVICE_ID != id) // MP IC ONLY (i.e. DW1000) FOR THIS CODE
- {
- 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++;
+ 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. */
@@ -351,15 +319,12 @@
/* 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;
+ 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();
+ {
+ IdleTask();
};
@@ -383,8 +348,8 @@
/* 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;
+ 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
@@ -404,8 +369,17 @@
}
// TIM3->CNT=tmp_time;
}
- memcpy(&hex_dist2, &rx_buffer[DIST_IDX], 4);
+ // 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
@@ -429,23 +403,28 @@
LED0_BLINK;
memcpy(&anc_id_recv,&rx_buffer[ANCHOR_ID_IDX],2);
-// g_Tagdist[anc_id_recv]= hex_dist;
+// if(hex_dist2!=0xffff)
+// {
+// g_Tagdist[anc_id_recv]= hex_dist2;
// 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);
- }
+//
+// 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)
@@ -472,15 +451,573 @@
}
// 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);
+// dwt_entersleep();
+
+
/* Execute a delay between ranging exchanges. */
-
+ delay_ms(30);
+
}
+int32_t mainbase_dist,nearbase_switchdistlist[MAX_NEARBASE_NUM],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;
+extern u16 bigslot_num;
+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=4700,temptimer;
+u8 motor_state,rec_remotepara_state,rec_remotepara[80];
+void Poll(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;
+
+ for(i=0;i<3;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);
+ 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;}
+ }
+ }
+
+ 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;
+
+ ancsync_time=((sync_timer)*1000+tmp_time);
+ last_slotnum=current_slotnum;
+ temptimer = sync_timer-10;
+ if(temptimer<0)
+ {temptimer+=1000;}
+ current_slotnum=((float)temptimer/(SLOTTIME_MS*bigslot_num))+1;
+ if(current_slotnum==last_slotnum-1)
+ {flag_getresponse=1;}
+ lastsync_timer=sync_timer;
+ offsettimeus=ancsync_time-current_count*LPTIMER_LSB+offset;
+ SetNextPollTime(tagslotpos);
+
+ if(temp_dist<mindist&&temp_dist!=0)
+ {
+ 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;
+// mainbase_id = 0x9804;
+}
+u8 nearmsg_mainbase=0,rec_tagpos_emptylist[32],mainbase_type;;
+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];
+ 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;
+ //tyncpoll_time=(g_com_map[DEV_ID]%max_slotpos)*slottime;
+ tag_state=NEARPOLL;
+ }
+ }else{
+ tyncpoll_time = (tagslotpos--%max_slotpos)*slottime;
+ }
+}
+extern u8 userkey_state;
+uint8_t changemainbase_count=0,gotosleep_flag;
+uint32_t frame_len;
+void NearPoll(void)
+{
+
+ uint32_t temp1,temp2,dw_systime;
+
+ 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);
+
+ recbase_num=0;
+// motor_state=0;
+
+ tx_near_msg[BATTARY_IDX] = bat_percent;
+ tx_near_msg[BUTTON_IDX] = userkey_state|stationary_flag<<1|gotosleep_flag<<2;
+ 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;
+
+ tx_near_msg[NEARP_TAGFREQ_INDEX] = tag_frequency;
+ tx_near_msg[NEARP_TAGSLOTPOS_INDEX] = tagslotpos;
+
+ memcpy(&tx_near_msg[ANCHOR_ID_IDX],&mainbase_id,2);
+ dwt_writetxdata(21+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(21+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=ceil((float)nearbase_num*SLOT_SCALE)+2;
+ 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
+ {
+ 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
+ dwt_setrxtimeout(RESP_RX_TIMEOUT_UUS);//设定接收超时时间，0位没有超时时间
+ dwt_rxenable(0);//打开接收
+ 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_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);
+ current_count=HAL_LPTIM_ReadCounter(&hlptim1);
+ dwt_forcetrxoff();
+ final_tx_time = (resp_rx_ts + ((RESP_RX_TO_FINAL_TX_DLY_UUS) * UUS_TO_DWT_TIME)) >> 8;
+ 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+nearbase_num*4], 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
+ 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
+ userkey_state = !GET_USERKEY;
+
+ memcpy(&temp_dist,&rx_buffer[DIST_IDX],4);
+ mainbase_dist=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);
+
+ if(rec_remotepara_state&&!memcmp(&rx_buffer[TAG_ID_IDX],&dev_id,2))
+ {
+ para_update = 1;
+ tx_near_msg[TAGCONFIGSUCCESS_INDEX] = 1;
+ para_len = frame_len-22;
+ memcpy(rec_remotepara,&rx_buffer[REMOTEPARA_INDEX],para_len);
+ }
+ flag_getresponse=1;
+ //时间同步
+ tmp_time=tmp_time+450;
+ if(tmp_time>999)
+ {
+ tmp_time-=999;
+ sync_timer++;
+ if(sync_timer>=1000)
+ {sync_timer=0;}
+ }
+ ancsync_time=((sync_timer)*1000+tmp_time);
+ last_slotnum=current_slotnum;
+ current_slotnum=((float)(sync_timer*10)/(SLOTTIME_MS*bigslot_num))+1;
+ if(current_slotnum==last_slotnum-1)
+ {flag_getresponse=1;}
+ lastsync_timer=sync_timer;
+ offsettimeus=ancsync_time-current_count*LPTIMER_LSB+offset;
+ SetNextPollTime(tagslotpos);
+ 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
+ { };}
+ break;
+ }else{
+
+ rec_nearbasepos=FindNearBasePos(rec_nearbaseid);
+ exsistbase_list[rec_nearbasepos]=KEEP_TIMES;
+ memcpy(&temp_dist,&rx_buffer[DIST_IDX],4);
+ memcpy(&nearbase_switchdistlist[rec_nearbasepos],&rx_buffer[NR_NEARSWITCH_DISTANCE],2);
+ nearbase_distlist[rec_nearbasepos]=temp_dist;
+ final_msg_set_ts(&tx_near_msg[FINAL_MSG_RESP_RX_NEARBASE_IDX+(rec_nearbasepos)*4], resp_rx_ts);
+ if(temp_dist<nearbase_switchdistlist[rec_nearbasepos]&&nearbase_switchdistlist[rec_nearbasepos]!=0&&temp_dist!=0)
+ {
+ mainbase_id = rec_nearbaseid;
+ tag_state = GETNEARMSG;
+ }
+
+ }
+ }
+ }else{
+ dwt_write32bitreg(SYS_STATUS_ID,SYS_STATUS_RXFCG| SYS_STATUS_ALL_RX_ERR);
+ if(recbase_num!=nearbase_num+1)
+ {dwt_rxenable(0); }
+ // if(flag_rxon)
+// {
+ // dwt_rxenable(0);
+// }
+ }
+ // dwt_write32bitreg(SYS_STATUS_ID,SYS_STATUS_RXFCG| SYS_STATUS_ALL_RX_ERR);
+ }
+ dwt_forcetrxoff();
+dwt_write32bitreg(SYS_STATUS_ID,SYS_STATUS_RXFCG| SYS_STATUS_ALL_RX_ERR);
+ j=0;
+ if(exsistbase_list[0]==0)
+ {
+// SetNextPollTime(tagslotpos);
+ }
+ // tyncpoll_time=0;
+// next_nearbase_num=0;
+// for(i=0;i<nearbase_num;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;
+// }
+// }
+// }
+
+// if(true_nearbase_distlist[0]<mainbase_dist-THRESHOLD_CHANGE_MAINBASE_DIST&&true_exsistbase_list[0])
+// {
+// changemainbase_count++;
+// }else{
+// changemainbase_count = 0;
+// }
+// if(changemainbase_count>3)
+// {
+// mainbase_id = true_nearbase_idlist[0];
+// tag_state = GETNEARMSG;
+// }
+// if(mainbase_lost_count>3)
+// {
+// tag_state = DISCPOLL;
+// }
+// for (i=0;i<nearbase_num;i++)
+// {
+// if(nearbaseid_list[i]==0)
+// {
+// tag_state = GETNEARMSG;
+// }
+//
+// }
+//串口输出距离
+// 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]==0xa)
+// {
+// memcpy(&usart_send[4+6*report_num],&nearbaseid_list[i],2);
+// memcpy(&usart_send[6+6*report_num],&nearbase_distlist[i],4);
+// report_num++;
+// }
+// }
+// for(i=0;i<MAX_NEARBASE_NUM;i++)
+// {
+// nearbase_distlist[i]=0x1ffff;
+// }
+ if(para_update)
+ {
+ uint8_t pack_length = 0,pack_index = 0,pack_msgtype = 0;
+ pack_msgtype = rec_remotepara[0];
+ pack_index = rec_remotepara[1];
+ pack_length = rec_remotepara[2];
+ if(pack_msgtype==2)
+ {
+ 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();
+ }
+ }
+ 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);
+
+}
+extern uint8_t module_power,imu_enable,motor_enable;
+
+void Registor_Poll(void)
+{
+ static u8 regpoll_count=0;
+ tag_frequency = REGISTER_FREQUENCY;
+ bigslot_num = TOTAL_SLOTNUM/tag_frequency;
+ regpoll_count++;
+ if(regpoll_count%2)
+ {
+ if(tagslotpos--<2)
+ tagslotpos=TOTAL_SLOTNUM;
+ }
+ SetNextPollTime(tagslotpos);
+ 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);
+
+ tx_near_msg[REGP_TAGSTATE_INDEX] = !GET_USERKEY<<2|imu_enable<<1|motor_enable;
+ tx_near_msg[MESSAGE_TYPE_IDX] = REG_POLL;
+ tx_near_msg[REGP_FREQUENCY_INDEX] = 1000/g_com_map[COM_INTERVAL];
+ tx_near_msg[REGP_POWER_INDEX] = module_power;
+ memcpy(&tx_near_msg[REGP_VERSION_INDEX],&g_com_map[VERSION],2);
+ memcpy(&tx_near_msg[REGP_IMUTHRES_INDEX],&g_com_map[IMU_THRES],2);
+ memcpy(&tx_near_msg[REGP_NOMOVESLEEPTIME_INDEX],&g_com_map[NOMOVESLEEP_TIME],2);
+ dwt_writetxdata(21, tx_near_msg, 0);//将Poll包数据传给DW1000，将在开启发送时传出去
+ dwt_writetxfctrl(21, 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
+ 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
+ {
+ IdleTask();
+
+ };
+ 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] == REG_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;
+
+ memcpy(&rec_nearbaseid,&rx_buffer[ANCHOR_ID_IDX],2);
+ tag_frequency = rx_buffer[REGR_TAGFREQ_INDEX];
+ bigslot_num = TOTAL_SLOTNUM/tag_frequency;
+ tagslotpos = rx_buffer[REGR_TAGSLOTPOS_INDEX];
+ //////////////////////////////////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;}
+ }
+ ancsync_time=((sync_timer)*1000+tmp_time);
+ last_slotnum=current_slotnum;
+ temptimer = sync_timer-10;
+ if(temptimer<0)
+ {temptimer+=1000;}
+ current_slotnum=((float)temptimer/(SLOTTIME_MS*bigslot_num))+1;
+ if(current_slotnum==last_slotnum-1)
+ {flag_getresponse=1;}
+ lastsync_timer=sync_timer;
+ offsettimeus=ancsync_time-current_count*LPTIMER_LSB+offset;
+// SetNextPollTime(tagslotpos);
+ mainbase_id=rec_nearbaseid;
+ nearbase_num=rx_buffer[NEARBASENUM_INDEX];
+ memcpy(nearbaseid_list,&rx_buffer[NEARBASEID_INDEX],nearbase_num*2);
+ tag_state = NEARPOLL;
+ }
+ }
+}
+u32 id;
+void Tag_App(void)//发送模式(TAG标签)
+{
+
+ //LED0_ON;
+ id = dwt_readdevid() ;
+ while (DWT_DEVICE_ID != id)
+ {
+ Dw1000_Init();
+ id = dwt_readdevid() ;
+ }
+ switch(tag_state)
+ {
+ case REGPOLL:
+ LED_LG_ON;
+ Registor_Poll();
+ LED_LG_OFF;
+ break;
+ case DISCPOLL:
+ LED_LG_ON;
+ Poll();
+ LED_LG_OFF;
+ break;
+ case GETNEARMSG:
+ trygetnearmsg_times--;
+ LED_LG_ON;
+ GetNearMsg();
+ LED_LG_OFF;
+ if(trygetnearmsg_times==0)
+ {
+ 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;
+ }
+ dwt_entersleep();
+}
--
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