From bbb68fd93739963f866d0c95246191962b6a7f72 Mon Sep 17 00:00:00 2001
From: zhyinch <zhyinch@gmail.com>
Date: 星期二, 29 十月 2019 09:49:50 +0800
Subject: [PATCH] 增加基站时间同步，等待systick换成基础定时器
---
源码/核心板/Src/application/dw_app.c | 51 ++++++++++++++++++++++++++++++++++++++++-----------
1 files changed, 40 insertions(+), 11 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 643eb8b..2491416 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"
@@ -64,6 +64,8 @@
#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
@@ -73,13 +75,14 @@
#define ANC_TYPE_IDX 14
#define BATTARY_IDX 15
#define BUTTON_IDX 16
-
+#define SEQUENCE_IDX 17
//respose
#define TIMECORRE 14
#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). */
@@ -97,7 +100,8 @@
};
/* Frames used in the ranging process. See NOTE 2 below. */
-static uint8_t tx_poll_msg[19] = {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};
@@ -268,10 +272,12 @@
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);
}
uint16_t Checksum_u16(uint8_t* pdata, uint32_t len)
{
@@ -292,10 +298,21 @@
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;
u16 checksum;
int8_t tag_delaytime;
void Tag_App(void)//发送模式(TAG标签)
@@ -312,6 +329,7 @@
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++;
for(i=0;i<g_com_map[MAX_REPORT_ANC_NUM];i++)
{
@@ -395,7 +413,7 @@
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
+ 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);
hex_dist = anchor_dist_last_frm[0];;
@@ -441,7 +459,8 @@
}
int8_t correction_time;
-extern uint8_t g_start_send_flag;
+extern uint8_t sync_seq;
+extern uint16_t sync_timer;
void Anchor_App(void)
{
uint32_t frame_len;
@@ -454,7 +473,7 @@
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))&&!g_start_send_flag)//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
{
IdleTask();
g_Resttimer=0;
@@ -488,7 +507,7 @@
if (rx_buffer[MESSAGE_TYPE_IDX] == POLL&&(anchor_type == rx_buffer[ANC_TYPE_IDX])) //判断是否是poll包数据
{
- correction_time=tag_timer-(tag_id_recv%GROUP_TAG_NUM)*3;
+ correction_time=tag_timer-tag_id_recv*3;
if(correction_time == g_com_map[COM_INTERVAL])
correction_time = 0;
tx_resp_msg[TIMECORRE] = correction_time;
@@ -516,6 +535,7 @@
battary = rx_buffer[BATTARY_IDX];
button = rx_buffer[BUTTON_IDX];
+ frame_seq_nb = 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)
@@ -587,11 +607,11 @@
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
+ usart_send[4] = frame_seq_nb;//数据段长度
memcpy(&usart_send[5],&tag_id_recv,2);
memcpy(&usart_send[7],&dev_id,2);
- hex_dist = dist_cm;
- memcpy(&usart_send[9],&hex_dist,4);
+
+ 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);
@@ -606,6 +626,15 @@
/* 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_seq=rx_buffer[SYNC_SEQ_IDX]+1;
+ SysTick->VAL =00;
+ sync_timer=0;
+ SyncPoll(sync_seq);
+ }
}
}
else
--
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