From 42c0d595c6ab74396416028dffa398a31da1b335 Mon Sep 17 00:00:00 2001
From: WXK <287788329@qq.com>
Date: 星期三, 24 一月 2024 10:29:10 +0800
Subject: [PATCH] 1
---
Src/radio/Lora.c | 135 +++++++++++++++++++++++++++++++--------------
1 files changed, 93 insertions(+), 42 deletions(-)
diff --git a/Src/radio/Lora.c b/Src/radio/Lora.c
index a3c10f7..ca0bc06 100644
--- a/Src/radio/Lora.c
+++ b/Src/radio/Lora.c
@@ -10,11 +10,9 @@
#include "stdio.h"
#include "delay.h"
#include "dw_mbx_anc.h"
-static RadioEvents_t RadioEvents;
#define USE_MODEM_LORA
//#define USE_MODEM_FSK
#define REGION_CN779
-
#if defined( REGION_AS923 )
#define RF_FREQUENCY 923000000 // Hz
@@ -72,6 +70,56 @@
*/
static RadioEvents_t RadioEvents;
+/**
+ * @brief Update CRC16 for input byte
+ * @param CRC input value
+ * @param input byte
+ * @retval Updated CRC value
+ */
+uint16_t UpdateCRC16(uint16_t crcIn, uint8_t byte)
+{
+ uint32_t crc = crcIn;
+ uint32_t in = byte|0x100;
+
+ do
+ {
+ crc <<= 1;
+ in <<= 1;
+
+ if(in&0x100)
+ {
+ ++crc;
+ }
+
+ if(crc&0x10000)
+ {
+ crc ^= 0x1021;
+ }
+ } while(!(in&0x10000));
+
+ return (crc&0xffffu);
+}
+
+/**
+ * @brief Cal CRC16 for YModem Packet
+ * @param data
+ * @param length
+ * @retval CRC value
+ */
+uint16_t Cal_CRC16(const uint8_t* data, uint32_t size)
+{
+ uint32_t crc = 0;
+ const uint8_t* dataEnd = data+size;
+
+ while(data<dataEnd)
+ {
+ crc = UpdateCRC16(crc,*data++);
+ }
+ crc = UpdateCRC16(crc,0);
+ crc = UpdateCRC16(crc,0);
+
+ return (crc&0xffffu);
+}
#if defined( USE_MODEM_LORA )
@@ -90,7 +138,7 @@
#define LORA_SYMBOL_TIMEOUT 0 // Symbols
#define LORA_FIX_LENGTH_PAYLOAD_ON false
#define LORA_IQ_INVERSION_ON_T false
-#define LORA_IQ_INVERSION_ON_R true
+#define LORA_IQ_INVERSION_ON_R false
#elif defined( USE_MODEM_FSK )
@@ -118,7 +166,7 @@
static uint8_t flag_lora_wait_sync = 0;
-#define RX_TIMEOUT_VALUE 1000
+#define RX_TIMEOUT_VALUE 9999
#define BUFFER_SIZE 64 // Define the payload size here
const uint8_t PingMsg[] = "PING";
@@ -148,13 +196,17 @@
-
+uint8_t LoraUp_flag;
void OnTxDone( void )
{
// T_R_Init(0);
// Radio.Standby();
// Radio.Rx( RX_TIMEOUT_VALUE ); //进入接收
Radio.Sleep( );
+ if(LoraUp_flag)
+ {
+ Radio.Rx( RX_TIMEOUT_VALUE );
+ }
//printf("TX SUCCESS2\r\n");
}
static uint8_t rxbuffer[255],rxbuff_len;
@@ -195,40 +247,6 @@
{
flag_lora_wait_sync = 0;
Radio.Standby();
-}
-
-
-
-void T_R_Init(uint8_t kind)
-{
-// Radio.Init( &RadioEvents );
-// if(kind==1) //1:Txd config
-// {
-// Radio.SetChannel( RF_FREQUENCY );
-// Radio.SetTxConfig( MODEM_LORA, TX_OUTPUT_POWER, 0, LORA_BANDWIDTH,
-// LORA_SPREADING_FACTOR, LORA_CODINGRATE,
-// LORA_PREAMBLE_LENGTH_T, LORA_FIX_LENGTH_PAYLOAD_ON,
-// false, 0, 0, LORA_IQ_INVERSION_ON_T, 1000 );
-
-// }
-// else //0:Rxd config
-// {
-// Radio.SetChannel( RF_FREQUENCY );
-// Radio.SetRxConfig( MODEM_LORA, LORA_BANDWIDTH, LORA_SPREADING_FACTOR,
-// LORA_CODINGRATE, 0, LORA_PREAMBLE_LENGTH_R,
-// LORA_SYMBOL_TIMEOUT, LORA_FIX_LENGTH_PAYLOAD_ON,
-// 0, false, 0, 0, LORA_IQ_INVERSION_ON_R, false );
-// }
-//
-//// Radio.SetTxConfig( MODEM_LORA, TX_OUTPUT_POWER, 0, LORA_BANDWIDTH,
-//// LORA_SPREADING_FACTOR, LORA_CODINGRATE,
-//// LORA_PREAMBLE_LENGTH_T, LORA_FIX_LENGTH_PAYLOAD_ON,
-//// false, 0, 0, LORA_IQ_INVERSION_ON_T, 1000 );
-
-//// Radio.SetRxConfig( MODEM_LORA, LORA_BANDWIDTH, LORA_SPREADING_FACTOR,
-//// LORA_CODINGRATE, 0, LORA_PREAMBLE_LENGTH_R,
-//// LORA_SYMBOL_TIMEOUT, LORA_FIX_LENGTH_PAYLOAD_ON,
-//// 0, false, 0, 0, LORA_IQ_INVERSION_ON_R, false );
}
void Lora_Init(void)
@@ -283,18 +301,51 @@
// TX_Buffer[5]=crc_value;
}
-#define SYNC_CHANNEL_FRQ 48000000
uint8_t GetFlagLoraWaitSync(void)
{
return flag_lora_wait_sync;
}
-void SwitchLoraToSyncRec()
+void SwitchLoraToSyncRec(uint32_t freq,uint8_t sf)
{
RadioEvents.RxDone = OnRxDone;
RadioEvents.RxTimeout = OnRxTimeout;
RadioEvents.RxError = OnRxError;
Radio.Init( &RadioEvents );
- Radio.SetChannel( SYNC_CHANNEL_FRQ );
+ Radio.SetChannel( freq );
flag_lora_wait_sync = 1;
+
+ Radio.SetTxConfig( MODEM_LORA, TX_OUTPUT_POWER, 0, 2,
+ sf, LORA_CODINGRATE,LORA_PREAMBLE_LENGTH_T, LORA_FIX_LENGTH_PAYLOAD_ON,
+ false, 0, 0, LORA_IQ_INVERSION_ON_T, 3000 );
+
+ Radio.SetRxConfig( MODEM_LORA, LORA_BANDWIDTH,
+ sf,LORA_CODINGRATE, 0, LORA_PREAMBLE_LENGTH_R,
+ LORA_SYMBOL_TIMEOUT, LORA_FIX_LENGTH_PAYLOAD_ON,
+ 0, false, 0, 0, LORA_IQ_INVERSION_ON_R, 1 );
+
}
+uint16_t rec_wenjian_daxiao;
+uint16_t wangguan_up_id;
+uint8_t send_lora_data[250];
+extern uint8_t lora_recbuffer[255];
+uint8_t mudeshengjibao;
+void LoraUp_Poll()
+{
+ uint16_t crc16;
+ rec_wenjian_daxiao=lora_recbuffer[WRITEPATE_VALUE_IDX];
+ wangguan_up_id=lora_recbuffer[WG_ID_IDX];
+ send_lora_data[MSG_TYPE_IDX]=LORA_MSGTYPE_UPDATE_CONFIRM;
+ memcpy(&send_lora_data[WANGGUAN_ID],&wangguan_up_id,2);//网关ID 占用2个字节
+ memcpy(&send_lora_data[JIZHAN_ID],&dev_id,2);//标签或者基站的设备ID 2个字节
+ crc16=Cal_CRC16(send_lora_data,5);
+ memcpy(&send_lora_data[5],&crc16,2);
+ LoraUp_flag=1;
+ Radio.Send(send_lora_data,7);//基站发送升级确认回复
+ while(1)
+ {
+
+ send_lora_data[MSG_TYPE_IDX]=LORA_MSGTYPE_UPDATEFILE_REQUEST;
+ send_lora_data[MUQIAN_BAG]=mudeshengjibao;
+ }
+}
\ No newline at end of file
--
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