#include <math.h>
#include <string.h>
#include "sx126x.h"
#include "sx126x-board.h"
#include "delay.h"
#include "Lora.h"
#include "user.h"
#include "sx126x-board.h"
#include "string.h"
#include "stdio.h"
#include "delay.h"
#include "main.h"
#include <stdlib.h>
#include "dw_mbx_tag.h"
#include "WS2812.h"
static RadioEvents_t RadioEvents;
#define USE_MODEM_LORA
//#define USE_MODEM_FSK
#define REGION_CN779 
void Lora47xrx_Init(void);
void Lora433_change(void);
void Lora433rx_Init(void);
uint32_t RxDutyCycle_RX_time   =128;
uint32_t RxDutyCycle_SLEEP_time=256;
#define LORA_FREQUENCY0 470200000
#define LORA_FREQUENCY1 471200000
#define LORA_FREQUENCY2 472200000
#define LORA_FREQUENCY3 473200000
#define LORA_FREQUENCY4 474200000
uint16_t Lora_rece_error;
#define LORA_RX_433 1
#define LORA_TX_47X 2
#define LORA_RX_47X 3
uint8_t Lora_status=0;
extern uint32_t uwbled,gpsled,loraled,powerled;
#define RF_FREQUENCY                              433000000 // Hz
#define RF_FREQUENCY_R                              500000000 // Hz
#define RF_FREQUENCY_T                              470200000 // Hz

#define TX_OUTPUT_POWER                             22        // 22 dBm

extern bool IrqFired;
extern uint8_t lora_yingda_flag;
uint16_t lora_yingda_num;


//bool EnableMaster=true;//Ö÷Ñ¡Ôñ
bool EnableMaster=false;//´ÓÑ¡Ôñ

uint16_t  crc_value;
/*!
 * Radio events function pointer
 */

static RadioEvents_t RadioEvents;

#if defined( USE_MODEM_LORA )

#define LORA_BANDWIDTH                              2         // [0: 125 kHz,    
                                                              //  1: 250 kHz,
                                                              //  2: 500 kHz,
                                                              //  3: Reserved]
#define LORA_SPREADING_FACTOR                       5         // [SF7..SF12]    
#define LORA_CODINGRATE                             1         // [1: 4/5,       
                                                              //  2: 4/6,
                                                              //  3: 4/7,
                                                              //  4: 4/8]
#define LORA_PREAMBLE_LENGTH_T                      8         // 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
#define LORA_FIX_LENGTH_PAYLOAD_ON                  false
#define LORA_IQ_INVERSION_ON_T                      false
#define LORA_IQ_INVERSION_ON_R                      false


#elif defined( USE_MODEM_FSK )

#define FSK_FDEV                                    5e3      // Hz 
#define FSK_DATARATE                                2.4e3      // bps
#define FSK_BANDWIDTH                               20e3     // 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

#else
    #error "Please define a modem in the compiler options."
#endif

typedef enum
{
    LOWPOWER,
    RX,
    RX_TIMEOUT,
    RX_ERROR,
    TX,
    TX_TIMEOUT,
}States_t;

//#define RX_TIMEOUT_VALUE                            1000
#define RX_TIMEOUT_VALUE                            10
#define BUFFER_SIZE                                 255 // Define the payload size here



uint16_t BufferSize = BUFFER_SIZE;
uint8_t TX_Buffer[BUFFER_SIZE];
uint8_t RX_Buffer[BUFFER_SIZE];


States_t State = LOWPOWER;

int8_t RssiValue = 0;
int8_t SnrValue = 0;
void OnTxDone( void );
void OnRxDone( uint8_t *payload, uint16_t size, int16_t rssi, int8_t snr );
void OnTxTimeout( void );
void OnRxTimeout( void );
void OnRxError( void );
uint8_t  lora_chongfuyingda_flag;
uint8_t Lora_rx_open_flag;
extern u32 Loratx_frequency;
void LedToggle(void)

{
//	HAL_GPIO_TogglePin(GPIOB, LED1_Pin);
}
//void Lora_tx_mode( void )
//{
//Lora_status=LORA_TX_47X;
//        RadioEvents.TxDone = OnTxDone;
//    RadioEvents.RxDone = OnRxDone;
//    RadioEvents.TxTimeout = OnTxTimeout;
//    RadioEvents.RxTimeout = OnRxTimeout;
//    RadioEvents.RxError = OnRxError;

//        Radio.Init( &RadioEvents );
//            Radio.SetChannel( Loratx_frequency );
//            
//            Radio.SetTxConfig( MODEM_LORA, TX_OUTPUT_POWER, 0, 2,
//            7, LORA_CODINGRATE,LORA_PREAMBLE_LENGTH_T, LORA_FIX_LENGTH_PAYLOAD_ON,
//            false, 0, 0, LORA_IQ_INVERSION_ON_T, 3000 );

//}
//void Lora_rx_open( void )
//{
//    if(Lora_rx_open_flag==1)
//    {
//    Lora_Init();
//    Lora_rx_open_flag=0;
//    }
//    if(lora_yingda_flag&&lora_chongfuyingda_flag==0)
//    {
//        printf("Lora:%d  %d\r\n",lora_yingda_flag,lora_chongfuyingda_flag);
//    lora_chongfuyingda_flag=1;
//    RadioEvents.TxDone = OnTxDone;
//    RadioEvents.RxDone = OnRxDone;
//    RadioEvents.TxTimeout = OnTxTimeout;
//    RadioEvents.RxTimeout = OnRxTimeout;
//    RadioEvents.RxError = OnRxError;

//    Radio.Init( &RadioEvents );
//    Radio.SetChannel( 500000000 );
//    Radio.SetRxConfig( MODEM_LORA, 0, 7,
//    LORA_CODINGRATE, 0, LORA_PREAMBLE_LENGTH_R,
//    LORA_SYMBOL_TIMEOUT, LORA_FIX_LENGTH_PAYLOAD_ON,
//    0, false, 0, 0, true, 1 );

//    SX126xClearIrqStatus( IRQ_RADIO_ALL );
////    Radio.SetRxDutyCycle(RxDutyCycle_RX_time,RxDutyCycle_SLEEP_time);
//        Radio.Rx( RX_TIMEOUT_VALUE ); 

//        
//    }
//}
uint32_t lora_zhuangtai;
void OnTxDone( void )
{  
    Radio.Standby();
    Radio.Rx( RX_TIMEOUT_VALUE ); 
}

extern uint32_t lp_time;
uint32_t lora_txtime_old;
extern uint8_t frame_seq_nb2,rec_nearbase_num,ancidlist_num;
uint16_t RX_TIMEOUTs;
extern LPTIM_HandleTypeDef hlptim1;
uint16_t current_time,start_time,end_time;
    uint16_t lora_recv_devid=0;
u32 id;
extern uint8_t Lora_tx_ancnum;
extern uint16_t Lora_tx_ancid[50];
extern uint16_t Lora_tx_ancdist[50];
uint8_t power_and_key=0;
extern u8 battary,button;
u8 lora_seq_nb2;
extern uint8_t stationary_flag;
extern uint8_t anjian_flag;
uint16_t Lora_wangguanid=0;

extern uint8_t lora_tx_flag;
uint16_t current_count;
u16 Lora_recevcount;
extern uint16_t no_data_chongqi_num;
uint8_t du_flag;
uint8_t xie_flag;
extern uint8_t no_yingdaflag;
uint16_t Beepchixutime;
uint8_t xiafayuyin_data[200];
uint8_t yuyin_sendflag;
uint8_t yuyinzidongguan_time;
uint8_t  yuyin_no_sleep_flag;
extern uint8_t usart5_state;
void OnRxDone( uint8_t *payload, uint16_t size, int16_t rssi, int8_t snr )
{   
        BufferSize = size;
        memcpy( RX_Buffer, payload, BufferSize );
        RssiValue = rssi;
        SnrValue = snr;
        Radio.Standby();
//printf("ÊÕµ½lora\r\n");
//    if(Lora_status==LORA_RX_433)
    no_data_chongqi_num=0;
    if(RX_Buffer[MSG_TYPE_IDX]==LORA_MSGTYPE_RANGEPOLL)
    {
            UWB_Wkup();
            MbxTagUwbRec();           
            HAL_GPIO_WritePin(RADIO_NSS_GPIO_Port, RADIO_NSS_Pin, GPIO_PIN_RESET); //ƬѡloraÓÐЧ
    }
    if(RX_Buffer[MSG_TYPE_IDX]==LORA_MSGTYPE_WGRESPTAG)
    {
        if(!memcmp(&dev_id,&RX_Buffer[DEST_ID_IDX],2))
        {
            if(RX_Buffer[6]==0)//²»ÐèÒª²Ù×÷£¬Õý³£Ó¦´ð
            {
                Lora_rece_error=0;
            memcpy( &Lora_wangguanid, &RX_Buffer[2], 2 );
            }
            if(RX_Buffer[6]==2) //¶Á²Ù×÷£¬ÏÂÒ»´Îlora·¢Ë͵ÄʱºòÒª·¢³öÈ¥
            {    
//                no_yingda_time=5;
                 Lora_rece_error=0;
                if(no_yingdaflag==0)
                {
            du_flag=1;
            LoraSendComMap(RX_Buffer[8],RX_Buffer[7]>>1);	
                }                    
            }
            if(RX_Buffer[6]==1)//д²Ù×÷
            {
                 Lora_rece_error=0;

                 if(no_yingdaflag==0)
                 {
                     if(RX_Buffer[7]==0x10)
                     {
                         
                     }
                     else
                     {
                        if(RX_Buffer[7]==0xDD)//Ï·¢ÓïÒô
                         {
                             if(usart5_state==1)
                             {
                             Usart5Init();
                             usart5_state=0;    
                             }
                        HAL_GPIO_WritePin(GPIOC, GPIO_PIN_7, GPIO_PIN_SET);
                        HAL_GPIO_WritePin(GPIOC, GPIO_PIN_13, GPIO_PIN_SET);    
                        memcpy(&xiafayuyin_data,&RX_Buffer[9],RX_Buffer[8]);
                        yuyin_sendflag=1;           
                        yuyinzidongguan_time=0;             
                        yuyin_no_sleep_flag=1;                             
                         }
                         else
                         {
                             uint16_t pinlv1;
                             if(RX_Buffer[7]==0x06)
                             {
                             memcpy(&pinlv1, &RX_Buffer[9], RX_Buffer[8]);
                             pinlv1=(1000/pinlv1)*1000;
                            memcpy((uint8_t*)&g_com_map + RX_Buffer[7], &pinlv1, RX_Buffer[8]);
                            save_com_map_to_flash();
                            delay_ms(100);
                            NVIC_SystemReset();
                             }
                         
                memcpy((uint8_t*)&g_com_map + RX_Buffer[7], &RX_Buffer[9], RX_Buffer[8]);
                save_com_map_to_flash();
                delay_ms(100);
                NVIC_SystemReset();
                         }
                     }
                 }
            }
        }
        SwitchLoraSettings(UWB_CHANNEL_FRQ+g_com_map[GROUP_ID],UWB_CHANNEL_SF,0);
    }
    Radio.Rx(0);
}

void OnTxTimeout( void )
{
       Radio.Standby();
    SwitchLoraSettings(UWB_CHANNEL_FRQ+g_com_map[GROUP_ID],UWB_CHANNEL_SF,0);
}
    uint8_t tm;
uint16_t Lora_rece_error;
void OnRxTimeout( void )
{
    Radio.Standby();
    SwitchLoraSettings(UWB_CHANNEL_FRQ+g_com_map[GROUP_ID],UWB_CHANNEL_SF,0);
}

void OnRxError( void )
{

    Radio.Standby();
    SwitchLoraSettings(UWB_CHANNEL_FRQ+g_com_map[GROUP_ID],UWB_CHANNEL_SF,0);
}


void SwitchLoraSettings(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_LORA, 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, 0 );

    
}

void LoraInit(void)
{
    RadioEvents.TxDone = OnTxDone;
    RadioEvents.RxDone = OnRxDone;
    RadioEvents.TxTimeout = OnTxTimeout;
    RadioEvents.RxTimeout = OnRxTimeout;
    RadioEvents.RxError = OnRxError;

    Radio.Init( &RadioEvents );
    SwitchLoraSettings(UWB_CHANNEL_FRQ+g_com_map[GROUP_ID],5,0); //Çл»lora½ÓÊÕƵµã  
    Radio.Rx( 9999 );                                   
//        Radio.SetRxDutyCycle(RxDutyCycle_RX_time,RxDutyCycle_SLEEP_time);
                                   
}