From f2450cdd1397d8a3fb07d21d40af23b825ed1073 Mon Sep 17 00:00:00 2001
From: yincheng.zhong <634916154@qq.com>
Date: 星期四, 09 十一月 2023 10:17:17 +0800
Subject: [PATCH] * V2.76 修改LDE 检测阈值，增加preamble length到1024.按照官方手册建议，抗遮挡和反射情况，配合对应基站程序使用
---
Src/application/dw_app.c | 15 +++++++++++----
1 files changed, 11 insertions(+), 4 deletions(-)
diff --git a/Src/application/dw_app.c b/Src/application/dw_app.c
index 8bd6d61..f79fe87 100644
--- a/Src/application/dw_app.c
+++ b/Src/application/dw_app.c
@@ -92,14 +92,14 @@
5,
#endif
DWT_PRF_64M, /* Pulse repetition frequency. */
- DWT_PLEN_128, /* Preamble length. */
+ DWT_PLEN_1024, /* 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. */
+ (1025 + 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};
@@ -175,7 +175,14 @@
// *ts += ts_field[i] << (i * 8);
// }
//}
-
+void SetNLOSNTMSettings(void)
+{
+ uint8_t temp;
+ temp = 7;
+ dwt_writetodevice(LDE_IF_ID,LDE_CFG1_OFFSET,1,&temp);
+ dwt_write16bitoffsetreg(LDE_IF_ID,LDE_CFG2_OFFSET,3);
+ // NTM = dwt_read32bitoffsetreg(LDE_IF_ID,LDE_CFG1_OFFSET) & LDE_CFG1_NSTDEV_MASK;
+}
void Dw1000_Init(void)
{
/* Reset and initialise DW1000.
@@ -188,7 +195,7 @@
/* Configure DW1000. See NOTE 6 below. */
dwt_configure(&config);//配置DW1000
-
+ SetNLOSNTMSettings();
/* Apply default antenna delay value. See NOTE 1 below. */
--
Gitblit v1.9.3