From 0e504b0601173818d90d52a5087c16cfa0c43699 Mon Sep 17 00:00:00 2001
From: zhyinch <zhyinch@gmail.com>
Date: 星期四, 14 十月 2021 17:12:06 +0800
Subject: [PATCH] V1.44
---
源码/核心板/Src/application/dw_app.c | 111 ++++++++++++++++++++++++++++++++++++++++---------------
1 files changed, 81 insertions(+), 30 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 52bcef1..177e3aa 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"
@@ -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 +29,7 @@
#include <stdio.h>
#include "beep.h"
#include "modbus.h"
-
+//#define DEBUG_OUTPUT
/*------------------------------------ Marcos ------------------------------------------*/
/* Inter-ranging delay period, in milliseconds. */
#define RNG_DELAY_MS 100
@@ -46,16 +47,15 @@
#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 400
+#define RESP_RX_TO_FINAL_TX_DLY_UUS 4100
/* Receive response timeout. See NOTE 5 below. */
-#define RESP_RX_TIMEOUT_UUS 600
+#define RESP_RX_TIMEOUT_UUS 4700
-#define POLL_RX_TO_RESP_TX_DLY_UUS 420
+#define POLL_RX_TO_RESP_TX_DLY_UUS 3600
/* 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
+#define RESP_TX_TO_FINAL_RX_DLY_UUS 500
/* Receive final timeout. See NOTE 5 below. */
#define FINAL_RX_TIMEOUT_UUS 4300
-
#define SPEED_OF_LIGHT 299702547
/* Indexes to access some of the fields in the frames defined above. */
@@ -81,6 +81,7 @@
#define ANCTIMEMS 14
#define ANCTIMEUS 16
#define ANCSEND_INTERVAL 18
+#define SIGNALPOWER 20
#define POLL 0x01
#define RESPONSE 0x02
@@ -90,16 +91,16 @@
/*------------------------------------ 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. */
+ 5, /* Channel number. */
+ DWT_PRF_64M, /* Pulse repetition frequency. */
+ DWT_PLEN_1024, /* Preamble length. */
+ DWT_PAC32, /* 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_110K, /* Data rate. */
+ DWT_PHRMODE_STD, /* PHY header mode. */
+ (1025 + 64 - 32) /* SFD timeout (preamble length + 1 + SFD length - PAC size). Used in RX only. */
};
/* Frames used in the ranging process. See NOTE 2 below. */
@@ -109,7 +110,7 @@
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 tx_resp_msg[23] = {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. */
@@ -320,6 +321,26 @@
dwt_writetxfctrl(sizeof(tx_sync_msg), 0);//设置超宽带发送数据长度
dwt_starttx(DWT_START_TX_IMMEDIATE);
}
+ double firstpath_power, rx_power,rec_firstpath_power;
+ double f1, f2, r1, r2;
+uint16_t F1,F2,F3,N,C;
+double B = 131072;
+double A = 121.74;
+double min_power;
+ dwt_rxdiag_t d1;
+double LOS(dwt_rxdiag_t *dia) {
+ F1 = dia->firstPathAmp1;
+ F2 = dia->firstPathAmp2;
+ F3 = dia->firstPathAmp3;
+ N = dia->rxPreamCount;
+ C = dia->maxGrowthCIR;
+
+ firstpath_power=10* log10((F1*F1+F2*F2+F3*F3)/(N*N))-A;
+// rx_power=10*log10(C*B/(N*N))-A;
+
+ // min_power = - 10 * log10((F1 *F1 + F2 * F2 + F3 * F3) / (C *B));
+ return min_power;
+ }
uint16_t g_Resttimer;
uint8_t result;
u8 tag_succ_times=0;
@@ -329,6 +350,7 @@
extern uint16_t sync_timer;
u16 tmp_time;
extern float dw_vbat;
+extern u16 slottime,max_slotnum,current_slotpos,tyncpoll_time;
void Tag_App(void)//发送模式(TAG标签)
{
uint32_t frame_len;
@@ -338,7 +360,6 @@
u8 bat_percent;
//LED0_ON;
dwt_forcetrxoff();
- 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;
@@ -361,6 +382,9 @@
* set by dwt_setrxaftertxdelay() has elapsed. */
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;
+ #ifdef DEBUG_OUTPUT
+ printf("P包发送,基站ID: %d .\r\n",i);
+ #endif
/* 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(time32_incr - start_poll>20)
@@ -411,6 +435,7 @@
TIM3->CNT=tmp_time;
}
memcpy(&hex_dist2, &rx_buffer[DIST_IDX], 4);
+ rec_firstpath_power = rx_buffer[SIGNALPOWER];
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])
@@ -439,16 +464,20 @@
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
+ #ifdef DEBUG_OUTPUT
+ printf("F包发送,基站ID: %d .\r\n",i);
+ #endif
+
tag_succ_times++;
LED0_BLINK;
-
+ g_Resttimer=0;
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;
@@ -461,6 +490,7 @@
memcpy(&usart_send[9],&hex_dist2,4);
usart_send[13] = bat_percent;
usart_send[14] = button;
+ usart_send[15] = rec_firstpath_power;
checksum = Checksum_u16(&usart_send[2],17);
memcpy(&usart_send[19],&checksum,2);
UART_PushFrame(usart_send,21);
@@ -469,7 +499,9 @@
// 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
+ {
+
+ 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. */
@@ -486,6 +518,9 @@
}
else
{
+ #ifdef DEBUG_OUTPUT
+ printf("R包失败错误信息: %x .\r\n",status_reg);
+ #endif
/* 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;
@@ -493,19 +528,21 @@
// deca_sleep(10);
}
// dwt_entersleep();
-// if(tag_succ_times<g_com_map[MIN_REPORT_ANC_NUM])
-// {
-// //poll_timer +=time32_incr&0x7+3;
-// }
+ if(tag_succ_times<1)
+ {
+ tyncpoll_time=(current_slotpos--%max_slotnum)*slottime;
+ }
/* 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;
+extern u16 dist_threshold;
u8 misdist_num[TAG_NUM_IN_SYS];
void Anchor_App(void)
{
@@ -521,7 +558,6 @@
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
{
IdleTask();
- g_Resttimer=0;
};
if (status_reg & SYS_STATUS_RXFCG)//成功接收
@@ -573,7 +609,8 @@
/* Write and send the response message. See NOTE 9 below.*/
if(tag_id_recv-TAG_ID_START<=TAG_NUM_IN_SYS)
memcpy(&tx_resp_msg[DIST_IDX], &g_Tagdist[tag_id_recv], 4);
-
+ tx_resp_msg[SIGNALPOWER] = firstpath_power;
+
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
@@ -583,6 +620,9 @@
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. */
+ #ifdef DEBUG_OUTPUT
+ printf("收到POLL包，标签ID: %d .\r\n",tag_id_recv);
+ #endif
if(result==0)
{
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
@@ -640,15 +680,19 @@
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
-
+ dwt_readdiagnostics(&d1);
+ LOS(&d1);
/*--------------------------以下为非测距逻辑------------------------*/
+ #ifdef DEBUG_OUTPUT
+ printf("收到FINAL包，标签ID: %d .\r\n",tag_id_recv);
+ #endif
LED0_BLINK; //每成功一次通讯则闪烁一次
g_UWB_com_interval = 0;
-
+ g_Resttimer=0;
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[tag_id_recv-TAG_ID_START]>4)
+ if(abs(hex_dist-his_dist[tag_id_recv-TAG_ID_START])<dist_threshold||misdist_num[tag_id_recv-TAG_ID_START]>4)
{
int32_t filter_dist;
misdist_num[tag_id_recv-TAG_ID_START]=0;
@@ -676,6 +720,7 @@
memcpy(&usart_send[9],&anchor_dist_last_frm[tag_id_recv-TAG_ID_START],4);
usart_send[13] = battary;
usart_send[14] = button;
+ usart_send[15] = firstpath_power;
checksum = Checksum_u16(&usart_send[2],17);
memcpy(&usart_send[19],&checksum,2);
UART_PushFrame(usart_send,21);
@@ -694,6 +739,9 @@
}
}else{
/* Clear RX error events in the DW1000 status register. */
+ #ifdef DEBUG_OUTPUT
+ printf("F包失败错误信息: %x .\r\n",status_reg);
+ #endif
dwt_write32bitreg(SYS_STATUS_ID, SYS_STATUS_ALL_RX_ERR);
}
}else if(rx_buffer[MESSAGE_TYPE_IDX] == SYNC)
@@ -709,6 +757,9 @@
}
else
{
+ #ifdef DEBUG_OUTPUT
+ printf("P包失败错误信息: %x .\r\n",status_reg);
+ #endif
/* Clear RX error events in the DW1000 status register. */
dwt_write32bitreg(SYS_STATUS_ID, SYS_STATUS_ALL_RX_ERR);
}
--
Gitblit v1.9.3