#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 "dw_mbx_anc.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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#if defined( REGION_AS923 )
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#define RF_FREQUENCY 923000000 // Hz
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#elif defined( REGION_AU915 )
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#define RF_FREQUENCY 915000000 // Hz
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#elif defined( REGION_CN779 )
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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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#elif defined( REGION_EU868 )
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#define RF_FREQUENCY 868000000 // Hz
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#elif defined( REGION_KR920 )
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#define RF_FREQUENCY 920000000 // Hz
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#elif defined( REGION_IN865 )
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#define RF_FREQUENCY 865000000 // Hz
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#elif defined( REGION_US915 )
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#define RF_FREQUENCY 915000000 // Hz
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#elif defined( REGION_US915_HYBRID )
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#define RF_FREQUENCY 915000000 // Hz
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#else
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#error "Please define a frequency band in the compiler 'options."
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#endif
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#define TX_OUTPUT_POWER 22 // 22 dBm
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extern bool IrqFired;
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bool EnableMaster=true;//Ö÷Ñ¡Ôñ
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//bool EnableMaster=false;//´ÓÑ¡Ôñ
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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 // 96 // Same for Tx
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#define LORA_PREAMBLE_LENGTH_R 64 // 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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static uint8_t flag_lora_wait_sync = 0;
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#define RX_TIMEOUT_VALUE 1000
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#define BUFFER_SIZE 64 // Define the payload size here
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const uint8_t PingMsg[] = "PING";
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const uint8_t PongMsg[] = "PONG";
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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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void LedToggle(void)
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{
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// HAL_GPIO_TogglePin(GPIOB, LED1_Pin);
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}
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void OnTxDone( void )
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{
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// T_R_Init(0);
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// Radio.Standby();
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// Radio.Rx( RX_TIMEOUT_VALUE ); //½øÈë½ÓÊÕ
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Radio.Sleep( );
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//printf("TX SUCCESS2\r\n");
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}
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static uint8_t rxbuffer[255],rxbuff_len;
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static uint16_t rec_lp_count;
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uint8_t GetLoraBufferAndLen(uint8_t* buffer,uint16_t* lp_count)
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{
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memcpy(buffer,rxbuffer,rxbuff_len);
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memcpy(lp_count,&rec_lp_count,2);
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return rxbuff_len;
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}
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extern uint16_t tx_num;
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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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rec_lp_count = HAL_LPTIM_ReadCounter(&hlptim1);
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rxbuff_len = size;
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memcpy( rxbuffer, payload, BufferSize );
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RssiValue = rssi;
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SnrValue = snr;
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Radio.Standby();
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flag_lora_wait_sync = 0;
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SetFlagSyncSuccess(1);
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}
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void OnTxTimeout( void )
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{
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}
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void OnRxTimeout( void )
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{
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Radio.Standby();
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flag_lora_wait_sync = 0;
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}
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void OnRxError( void )
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{
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flag_lora_wait_sync = 0;
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Radio.Standby();
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}
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void T_R_Init(uint8_t kind)
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{
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// Radio.Init( &RadioEvents );
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// if(kind==1) //1:Txd config
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// {
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// Radio.SetChannel( RF_FREQUENCY );
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// Radio.SetTxConfig( MODEM_LORA, TX_OUTPUT_POWER, 0, LORA_BANDWIDTH,
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// LORA_SPREADING_FACTOR, LORA_CODINGRATE,
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// LORA_PREAMBLE_LENGTH_T, LORA_FIX_LENGTH_PAYLOAD_ON,
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// false, 0, 0, LORA_IQ_INVERSION_ON_T, 1000 );
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// }
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// else //0:Rxd config
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// {
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// Radio.SetChannel( RF_FREQUENCY );
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// Radio.SetRxConfig( MODEM_LORA, LORA_BANDWIDTH, LORA_SPREADING_FACTOR,
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// 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, false );
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// }
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//
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//// Radio.SetTxConfig( MODEM_LORA, TX_OUTPUT_POWER, 0, LORA_BANDWIDTH,
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//// LORA_SPREADING_FACTOR, LORA_CODINGRATE,
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//// LORA_PREAMBLE_LENGTH_T, LORA_FIX_LENGTH_PAYLOAD_ON,
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//// false, 0, 0, LORA_IQ_INVERSION_ON_T, 1000 );
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//// Radio.SetRxConfig( MODEM_LORA, LORA_BANDWIDTH, LORA_SPREADING_FACTOR,
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//// 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, false );
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}
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void Lora_Init(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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Radio.SetChannel( RF_FREQUENCY );
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Radio.SetTxConfig( MODEM_LORA, 22, 0, LORA_BANDWIDTH,
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LORA_SPREADING_FACTOR, LORA_CODINGRATE,
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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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TX_Buffer[0] = 'P';
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TX_Buffer[1] = 'I';
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TX_Buffer[2] = 'N';
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TX_Buffer[3] = tx_num;
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crc_value=RadioComputeCRC(TX_Buffer,4,CRC_TYPE_IBM);//¼ÆËãµÃ³öÒª·¢ËÍÊý¾Ý°üCRCÖµ
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TX_Buffer[4]=crc_value>>8;
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TX_Buffer[5]=crc_value;
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}
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void Lora470_Init(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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Radio.SetChannel( 470000000 );
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Radio.SetTxConfig( MODEM_LORA, 22, 0, LORA_BANDWIDTH,
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7, LORA_CODINGRATE,
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10, LORA_FIX_LENGTH_PAYLOAD_ON,
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false, 0, 0, LORA_IQ_INVERSION_ON_T, 3000 );
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// TX_Buffer[0] = 'P';
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// TX_Buffer[1] = 'I';
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// TX_Buffer[2] = 'N';
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// TX_Buffer[3] = tx_num;
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//
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// crc_value=RadioComputeCRC(TX_Buffer,4,CRC_TYPE_IBM);//¼ÆËãµÃ³öÒª·¢ËÍÊý¾Ý°üCRCÖµ
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// TX_Buffer[4]=crc_value>>8;
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// TX_Buffer[5]=crc_value;
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}
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void SetFlagLoraWaitSync(uint8_t value)
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{
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flag_lora_wait_sync = value;
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}
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uint8_t GetFlagLoraWaitSync(void)
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{
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return flag_lora_wait_sync;
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}
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void SwitchLoraSettings(uint32_t freq,uint8_t sf)
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{
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RadioEvents.RxDone = OnRxDone;
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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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Radio.SetChannel( freq );
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Radio.SetTxConfig( MODEM_LORA, TX_OUTPUT_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, 1 );
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}
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