#include <math.h>
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#include <string.h>
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#include "sx126x.h"
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#include "sx126x-board.h"
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#include "delay.h"
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#include "Lora.h"
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#include "user.h"
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#include "sx126x-board.h"
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#include "string.h"
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#include "stdio.h"
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#include "delay.h"
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#include "main.h"
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#include <stdlib.h>
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#include "dw_mbx_tag.h"
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static RadioEvents_t RadioEvents;
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#define USE_MODEM_LORA
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//#define USE_MODEM_FSK
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#define REGION_CN779
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void Lora47xrx_Init(void);
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void Lora433_change(void);
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void Lora433rx_Init(void);
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void SwitchLoraSettings(uint32_t freq,uint8_t sf,uint8_t power);
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uint32_t RxDutyCycle_RX_time =128;
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uint32_t RxDutyCycle_SLEEP_time=256;
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#define LORA_FREQUENCY0 470200000
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#define LORA_FREQUENCY1 471200000
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#define LORA_FREQUENCY2 472200000
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#define LORA_FREQUENCY3 473200000
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#define LORA_FREQUENCY4 474200000
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uint16_t Lora_rece_error;
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#define LORA_RX_433 1
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#define LORA_TX_47X 2
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#define LORA_RX_47X 3
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uint8_t Lora_status=0;
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#define RF_FREQUENCY 433000000 // Hz
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#define RF_FREQUENCY_R 500000000 // Hz
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#define RF_FREQUENCY_T 470200000 // Hz
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#define TX_OUTPUT_POWER 22 // 22 dBm
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extern bool IrqFired;
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extern uint8_t lora_yingda_flag;
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uint16_t lora_yingda_num;
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uint16_t crc_value;
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/*!
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* Radio events function pointer
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*/
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static RadioEvents_t RadioEvents;
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#if defined( USE_MODEM_LORA )
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#define LORA_BANDWIDTH 2 // [0: 125 kHz,
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// 1: 250 kHz,
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// 2: 500 kHz,
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// 3: Reserved]
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#define LORA_SPREADING_FACTOR 5 // [SF7..SF12]
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#define LORA_CODINGRATE 1 // [1: 4/5,
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// 2: 4/6,
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// 3: 4/7,
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// 4: 4/8]
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#define LORA_PREAMBLE_LENGTH_T 8 // Same for Tx
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#define LORA_PREAMBLE_LENGTH_R 8 // Same for Rx
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//#define LORA_PREAMBLE_LENGTH 990 // Same for Tx and Rx
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#define LORA_SYMBOL_TIMEOUT 0 // Symbols
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#define LORA_FIX_LENGTH_PAYLOAD_ON false
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#define LORA_IQ_INVERSION_ON_T false
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#define LORA_IQ_INVERSION_ON_R false
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#elif defined( USE_MODEM_FSK )
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#define FSK_FDEV 5e3 // Hz
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#define FSK_DATARATE 2.4e3 // bps
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#define FSK_BANDWIDTH 20e3 // Hz >> DSB in sx126x
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#define FSK_AFC_BANDWIDTH 100e3 // Hz
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#define FSK_PREAMBLE_LENGTH 5 // Same for Tx and Rx
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#define FSK_FIX_LENGTH_PAYLOAD_ON false
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#else
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#error "Please define a modem in the compiler options."
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#endif
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typedef enum
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{
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LOWPOWER,
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RX,
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RX_TIMEOUT,
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RX_ERROR,
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TX,
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TX_TIMEOUT,
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}States_t;
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//#define RX_TIMEOUT_VALUE 1000
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#define RX_TIMEOUT_VALUE 0
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#define BUFFER_SIZE 255 // Define the payload size here
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uint16_t BufferSize = BUFFER_SIZE;
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uint8_t TX_Buffer[BUFFER_SIZE];
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uint8_t RX_Buffer[BUFFER_SIZE];
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States_t State = LOWPOWER;
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int8_t RssiValue = 0;
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int8_t SnrValue = 0;
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void OnTxDone( void );
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void OnRxDone( uint8_t *payload, uint16_t size, int16_t rssi, int8_t snr );
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void OnTxTimeout( void );
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void OnRxTimeout( void );
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void OnRxError( void );
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uint8_t lora_chongfuyingda_flag;
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uint8_t Lora_rx_open_flag;
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extern u32 Loratx_frequency;
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uint8_t flag_writepara_needreset = 0;
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uint32_t wg_lost_count;
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uint32_t lora_zhuangtai;
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uint16_t current_count;
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extern wg_state_enum wg_state;
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void OnTxDone( void )
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{
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if(flag_writepara_needreset) //ÅäÖÃдÈëÍê³ÉÉ豸ÐèÒªÖØÆô
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{
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printf("Íø¹ØÏ·¢ÅäÖÃдÈëÍê³É£¬ÖØÆô");
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SCB->AIRCR = 0X05FA0000|(unsigned int)0x04; //Èí¸´Î»»Øµ½bootloader
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}
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Radio.Standby();
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Radio.Rx( 50 );
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LED_TB_OFF;
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}
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extern LPTIM_HandleTypeDef hlptim1;
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uint16_t current_time,start_time,end_time;
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uint8_t power_and_key=0;
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extern u8 battary,button;
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u8 lora_seq_nb2;
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extern uint8_t stationary_flag;
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extern uint8_t anjian_flag;
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extern uint8_t lora_tx_flag;
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extern uint16_t wg_report_id,wg_report_freq;
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extern uint8_t no_yingdaflag;
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uint16_t Beepchixutime;
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uint8_t xiafayuyin_data[200];
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uint8_t yuyin_sendflag;
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uint8_t yuyinzidongguan_time;
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uint8_t yuyin_no_sleep_flag,no_rx_flag;
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extern uint8_t usart5_state;
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extern uint8_t lora_sendbuffer[200];
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void LoraSendComMap(uint8_t cmd)
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{
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uint8_t data_length = 0x28;
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uint16_t checksum = 0;
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lora_sendbuffer[MSG_TYPE_IDX] = LORA_MSGTYPE_READPARARESP;
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lora_sendbuffer[MSG_LENGTH] = data_length+9;
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memcpy(&lora_sendbuffer[SOURCE_ID_IDX],&g_com_map[DEV_ID],2);
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memcpy(&lora_sendbuffer[DEST_ID_IDX],&wg_report_id,2);
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lora_sendbuffer[RP_CMD_IDX] = cmd;
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lora_sendbuffer[RP_INDEX_IDX] = 2;
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lora_sendbuffer[RP_LEN_IDX] = data_length;
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memcpy(&lora_sendbuffer[7], &g_com_map[1], data_length);
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checksum = Checksum_u16(lora_sendbuffer,9+data_length);
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memcpy(&lora_sendbuffer[9+data_length],&checksum,2);
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Radio.Send(lora_sendbuffer,data_length+11);
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// Delay_Ms(100);
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}
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void LoraRspWriteCommap(uint8_t index)
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{
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uint8_t data_length = 2;
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uint16_t checksum = 0;
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lora_sendbuffer[MSG_TYPE_IDX] = LORA_MSGTYPE_READPARARESP;
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lora_sendbuffer[MSG_LENGTH] = data_length+9;
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memcpy(&lora_sendbuffer[SOURCE_ID_IDX],&g_com_map[DEV_ID],2);
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memcpy(&lora_sendbuffer[DEST_ID_IDX],&wg_report_id,2);
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lora_sendbuffer[RP_CMD_IDX] = WGRSP_RWTAG_WRITE;
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lora_sendbuffer[RP_INDEX_IDX] = index;
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lora_sendbuffer[RP_LEN_IDX] = data_length;
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memcpy(&lora_sendbuffer[7], &g_com_map[index/2], data_length);
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checksum = Checksum_u16(lora_sendbuffer,9+data_length);
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memcpy(&lora_sendbuffer[9+data_length],&checksum,2);
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Radio.Send(lora_sendbuffer,data_length+11);
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// Delay_Ms(100);
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}
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static uint16_t delaytime = 1050;
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static uint16_t source_id;
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uint8_t rec_index;
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uint16_t rec_value,rec_delaytime,rx_count;
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int16_t target_count;
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void OnRxDone( uint8_t *payload, uint16_t size, int16_t rssi, int8_t snr )
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{
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BufferSize = size;
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memcpy( RX_Buffer, payload, BufferSize );
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RssiValue = rssi;
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SnrValue = snr;
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Radio.Standby();
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no_rx_flag = 0;
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if(RX_Buffer[MSG_TYPE_IDX]==LORA_MSGTYPE_RANGEPOLL)
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{
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UWB_Wkup();
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MbxTagUwbRec();
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HAL_GPIO_WritePin(RADIO_NSS_GPIO_Port, RADIO_NSS_Pin, GPIO_PIN_RESET); //ƬѡloraÓÐЧ
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}
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if(RX_Buffer[MSG_TYPE_IDX]==LORA_MSGTYPE_WGRESPTAG)
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{
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if(!memcmp(&dev_id,&RX_Buffer[DEST_ID_IDX],2))
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{
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memcpy(&source_id,&RX_Buffer[SOURCE_ID_IDX],2);
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if(wg_state==WG_Lost)
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{
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wg_state = WG_Connected;
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wg_report_id = source_id;
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}
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if(!memcmp(&wg_report_id,&RX_Buffer[SOURCE_ID_IDX],2))
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{
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wg_lost_count = 0;
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switch(RX_Buffer[PWTAG_RW_FLAG_IDX])
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{
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case WGRSP_RWTAG_NONE:
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current_count = HAL_LPTIM_ReadCounter(&hlptim1);
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wg_report_freq = RX_Buffer[POLL_FREQ_IDX]+400;
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memcpy(&rec_delaytime,&RX_Buffer[NEXTPOLL_TIME_IDX],2);
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target_count = current_count + rec_delaytime*3.2768 - delaytime;
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if(target_count>=32768)
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target_count-=32768;
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__HAL_LPTIM_COMPARE_SET(&hlptim1, target_count);
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rx_count = HAL_LPTIM_ReadCounter(&hlptim1);
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// printf("tx %d,rx %d,delay %d",current_count>>5,rx_count>>5,rec_delaytime);
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break;
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case WGRSP_RWTAG_READ:
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no_rx_flag = 1;
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LoraSendComMap(WGRSP_RWTAG_READ);
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break;
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case WGRSP_RWTAG_WRITE:
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rec_index = RX_Buffer[PWTAG_WRITE_IDX_IDX];
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if(rec_index==0xDD)
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{
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// if(usart5_state==1)
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// {
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// Usart5Init();
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// usart5_state=0;
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// }
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// HAL_GPIO_WritePin(GPIOC, GPIO_PIN_7, GPIO_PIN_SET);
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// HAL_GPIO_WritePin(GPIOC, GPIO_PIN_13, GPIO_PIN_SET);
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// memcpy(&xiafayuyin_data,&RX_Buffer[9],RX_Buffer[8]);
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// yuyin_sendflag=1;
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// yuyinzidongguan_time=0;
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// yuyin_no_sleep_flag=1;
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}else{
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memcpy(&rec_value,&RX_Buffer[PWTAG_WRITE_VALUE_IDX],2);
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g_com_map[rec_index/2] = rec_value;
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save_com_map_to_flash();
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LoraRspWriteCommap(SUBMSG_WRITE_ANCPARA);
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flag_writepara_needreset = 1;
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no_rx_flag = 1;
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}
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break;
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}
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}
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}
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}
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if(!no_rx_flag)
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{
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SwitchLoraSettings(UWB_CHANNEL_FRQ+g_com_map[GROUP_ID],UWB_CHANNEL_SF,0);
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Radio.Rx(0);
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}
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}
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void OnTxTimeout( void )
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{
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Radio.Standby();
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SwitchLoraSettings(UWB_CHANNEL_FRQ+g_com_map[GROUP_ID],UWB_CHANNEL_SF,0);
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}
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uint8_t tm;
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uint16_t Lora_rece_error;
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void OnRxTimeout( void )
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{
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Radio.Standby();
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current_count = HAL_LPTIM_ReadCounter(&hlptim1);
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target_count-=current_count%3276;
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if(target_count<0)
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target_count+=32768;
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__HAL_LPTIM_COMPARE_SET(&hlptim1, target_count);
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SwitchLoraSettings(UWB_CHANNEL_FRQ+g_com_map[GROUP_ID],UWB_CHANNEL_SF,0);
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Radio.Rx(0);
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}
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void OnRxError( void )
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{
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Radio.Standby();
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SwitchLoraSettings(UWB_CHANNEL_FRQ+g_com_map[GROUP_ID],UWB_CHANNEL_SF,0);
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}
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uint16_t freq_test;
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void SwitchLoraSettings(uint32_t freq,uint8_t sf,uint8_t power)
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{
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// RadioEvents.TxDone = OnTxDone;
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// RadioEvents.RxDone = OnRxDone;
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// RadioEvents.TxTimeout = OnTxTimeout;
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// RadioEvents.RxTimeout = OnRxTimeout;
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// RadioEvents.RxError = OnRxError;
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//HAL_GPIO_WritePin(GPIOB, GPIO_PIN_12, GPIO_PIN_SET);
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// Radio.Init( &RadioEvents );
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Radio.Standby();
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// HAL_GPIO_WritePin(GPIOB, GPIO_PIN_12, GPIO_PIN_RESET);
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Radio.SetChannel( freq*1000000 );
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freq_test = freq;
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Radio.SetTxConfig( MODEM_LORA, power, 0, 2,
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sf, LORA_CODINGRATE,LORA_PREAMBLE_LENGTH_T, LORA_FIX_LENGTH_PAYLOAD_ON,
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false, 0, 0, LORA_IQ_INVERSION_ON_T, 3000 );
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Radio.SetRxConfig( MODEM_LORA, LORA_BANDWIDTH,
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sf,LORA_CODINGRATE, 0, LORA_PREAMBLE_LENGTH_R,
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LORA_SYMBOL_TIMEOUT, LORA_FIX_LENGTH_PAYLOAD_ON,
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0, false, 0, 0, LORA_IQ_INVERSION_ON_R, 0 );
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}
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void LoraInit(void)
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{
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RadioEvents.TxDone = OnTxDone;
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RadioEvents.RxDone = OnRxDone;
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RadioEvents.TxTimeout = OnTxTimeout;
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RadioEvents.RxTimeout = OnRxTimeout;
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RadioEvents.RxError = OnRxError;
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Radio.Init( &RadioEvents );
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SwitchLoraSettings(UWB_CHANNEL_FRQ+g_com_map[GROUP_ID],5,0); //Çл»lora½ÓÊÕƵµã
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Radio.Rx( 0 );
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// Radio.SetRxDutyCycle(RxDutyCycle_RX_time,RxDutyCycle_SLEEP_time);
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}
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