From 3be9d3dc5f5e88d2eb50dfc5e73abf5c07eda9b2 Mon Sep 17 00:00:00 2001
From: WXK <287788329@qq.com>
Date: 星期二, 12 十一月 2024 18:04:29 +0800
Subject: [PATCH] 可以跟标签uwb测距。
---
Src/radio/Lora.c | 33 ++++++++++++++++++++++++++++++++-
1 files changed, 32 insertions(+), 1 deletions(-)
diff --git a/Src/radio/Lora.c b/Src/radio/Lora.c
index d6a7357..b04f1b6 100644
--- a/Src/radio/Lora.c
+++ b/Src/radio/Lora.c
@@ -134,7 +134,7 @@
// 2: 4/6,
// 3: 4/7,
// 4: 4/8]
-#define LORA_PREAMBLE_LENGTH_T 8 // 96 // Same for Tx
+#define LORA_PREAMBLE_LENGTH_T 4 // 96 // Same for Tx
#define LORA_PREAMBLE_LENGTH_R 8 // Same for Rx
//#define LORA_PREAMBLE_LENGTH 990 // Same for Tx and Rx
#define LORA_SYMBOL_TIMEOUT 0 // Symbols
@@ -348,7 +348,38 @@
}
+#define FSK_FDEV 127e3 // Hz
+#define FSK_DATARATE 250e3 // bps
+#define FSK_BANDWIDTH 250e3 // Hz >> DSB in sx126x
+#define FSK_AFC_BANDWIDTH 100e3 // Hz
+#define FSK_PREAMBLE_LENGTH 5 // Same for Tx and Rx
+#define FSK_FIX_LENGTH_PAYLOAD_ON false
+void SwitchLoraSettings_FSK(uint32_t freq,uint8_t sf,uint8_t power)
+{
+
+// RadioEvents.TxDone = OnTxDone;
+// RadioEvents.RxDone = OnRxDone;
+// RadioEvents.TxTimeout = OnTxTimeout;
+// RadioEvents.RxTimeout = OnRxTimeout;
+// RadioEvents.RxError = OnRxError;
+ //HAL_GPIO_WritePin(GPIOB, GPIO_PIN_12, GPIO_PIN_SET);
+// Radio.Init( &RadioEvents );
+ Radio.Standby();
+ // HAL_GPIO_WritePin(GPIOB, GPIO_PIN_12, GPIO_PIN_RESET);
+ Radio.SetChannel( freq*1000000 );
+
+ Radio.SetTxConfig( MODEM_FSK, power, FSK_FDEV, 0,
+ FSK_DATARATE, 0,
+ FSK_PREAMBLE_LENGTH, FSK_FIX_LENGTH_PAYLOAD_ON,
+ true, 0, 0, 0, 3000 );
+
+ Radio.SetRxConfig( MODEM_FSK, FSK_BANDWIDTH, FSK_DATARATE,
+ 0, FSK_AFC_BANDWIDTH, FSK_PREAMBLE_LENGTH,
+ 0, FSK_FIX_LENGTH_PAYLOAD_ON, 0, true,
+ 0, 0,false, false );
+
+}
uint16_t rec_wenjian_daxiao;
uint16_t wangguan_up_id;
uint8_t send_lora_data[250];
--
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