1

WXK

2024-03-24 caa8b8c09c55bdcf027f25d5fbf522f0cebc87b2

 Src/radio/Lora.c

@@ -12,10 +12,12 @@
#include "main.h"
#include <stdlib.h>
#include "dw_mbx_tag.h"
#include "Flash.h"
static RadioEvents_t RadioEvents;
#define USE_MODEM_LORA
//#define USE_MODEM_FSK
#define REGION_CN779 
void LoraUp_Poll();
void Lora47xrx_Init(void);
void Lora433_change(void);
void Lora433rx_Init(void);
@@ -42,10 +44,56 @@
extern uint8_t lora_yingda_flag;
uint16_t lora_yingda_num;
uint16_t  crc_value;
/*!
 * Radio events function pointer
 */
/**
  * @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);
}
static RadioEvents_t RadioEvents;

#if defined( USE_MODEM_LORA )
@@ -112,7 +160,9 @@
uint8_t  lora_chongfuyingda_flag;
uint8_t Lora_rx_open_flag;
extern u32 Loratx_frequency;

uint8_t huifushengjibao_flag;
uint8_t LoraUp_flag;
uint8_t lora_up_rec_flag;
uint8_t flag_writepara_needreset = 0;
uint32_t wg_lost_count = 10;
uint32_t lora_zhuangtai;
@@ -126,8 +176,16 @@
        SCB->AIRCR = 0X05FA0000|(unsigned int)0x04; //软复位回到bootloader   
    }
    Radio.Standby();
    if(LoraUp_flag)
    {
    huifushengjibao_flag=1;
    Radio.Rx( 500 );
    }
    else
    {
    Radio.Rx( 50 );
    LED_TB_OFF;   
    }
}
extern LPTIM_HandleTypeDef hlptim1;
uint16_t current_time,start_time,end_time;
@@ -195,6 +253,7 @@
        SnrValue = snr;
        Radio.Standby();
        no_rx_flag = 0;
    lora_up_rec_flag=1;
    if(RX_Buffer[MSG_TYPE_IDX]==LORA_MSGTYPE_RANGEPOLL)
    {
            UWB_Wkup();
@@ -235,6 +294,9 @@
                        rec_index = RX_Buffer[PWTAG_WRITE_IDX_IDX];
                    switch(rec_index)
                    {
                        case 0xaa:  //升级下发
                            LoraUp_Poll();
                            break;
                        case 0xdd:  //语音下发
                            break;
                        case 0x20:  //蜂鸣
@@ -257,7 +319,7 @@
    }
    if(!no_rx_flag)
    {
        if(lora_jianting_flag)
        if(lora_jianting_flag&&LoraUp_flag==0)
        {
            SwitchLoraSettings(UWB_CHANNEL_FRQ+g_com_map[GROUP_ID],UWB_CHANNEL_SF,0);
            Radio.Rx(0);
@@ -342,3 +404,138 @@
//        Radio.SetRxDutyCycle(RxDutyCycle_RX_time,RxDutyCycle_SLEEP_time);
                                   
}

uint16_t rec_wenjian_daxiao;
uint16_t wangguan_up_id;
uint8_t send_lora_data[250];
//extern uint8_t lora_recbuffer[255];
uint8_t muqiandeshengjibao;
static uint16_t current_count1,target_count1,end_count1,start_count1;
uint8_t huifushengjibaoerror_num;
uint8_t final_bag_num;
uint16_t testflag;
uint32_t Zhongjian_data[60];
uint16_t app1_or_app2;
extern IWDG_HandleTypeDef hiwdg;
void LoraUp_Poll()
{    uint16_t  result ;
    uint16_t crc16;
    memcpy(&rec_wenjian_daxiao,&RX_Buffer[WRITEPARA_VALUE_IDX],2);//文件大小
//    rec_wenjian_daxiao=rxbuffer[WRITEPATE_VALUE_IDX];
    if(rec_wenjian_daxiao>0XAC00)
    {}//文件过大，超出范围
    else
    { 
    memcpy(&wangguan_up_id,&RX_Buffer[SOURCE_ID_IDX],2);//网关ID 占用2个字节
    send_lora_data[MSG_TYPE_IDX]=LORA_MSGTYPE_UPDATE_CONFIRM;
    memcpy(&send_lora_data[SOURCE_ID_IDX],&dev_id,2);//网关ID 占用2个字节
    memcpy(&send_lora_data[DEST_ID_IDX],&wangguan_up_id,2);//标签或者基站的设备ID 2个字节
//    send_lora_data[MUQIAN_BAG]=0xFF;
    crc16=Checksum_u16(send_lora_data,6);
    memcpy(&send_lora_data[6],&crc16,2);
    huifushengjibao_flag=0;
    LoraUp_flag=1;
    Radio.Send(send_lora_data,8);//基站发送升级确认回复
    Delay_Ms(1000);    
    SwitchLoraSettings(LORA_UPCHANNEL_FRQ,LORA_UPCHANNEL_SF,22); //切换lora升级频点  
    delay_ms(200);   
    __disable_irq();
//    FLASH_Read(APP_1OR2_ADRESS,(uint8_t*)&app1_or_app2,2);        
    final_bag_num=(rec_wenjian_daxiao/220)+1;//计算一共要请求多少包   
        while(1)
        {
            FLASH_Prepare(APP2_ADRESS, APP_SIZE);            
            delay_ms(500);
            if(testflag==0)
            {break;}
        }
//    FLASH_Write(APP2_ADRESS, (const uint8_t*)&tmp111, 2);    
    __enable_irq();             
    while(1)
    {
        if(huifushengjibao_flag==1)
        {lora_up_rec_flag=1;
            while(1)
            {
                send_lora_data[MSG_TYPE_IDX]=LORA_MSGTYPE_UPDATEFILE_REQUEST;
                memcpy(&send_lora_data[SOURCE_ID_IDX],&dev_id,2);//网关ID 占用2个字节
                memcpy(&send_lora_data[DEST_ID_IDX],&wangguan_up_id,2);//标签或者基站的设备ID 2个字节
                send_lora_data[MUQIAN_BAG]=muqiandeshengjibao;
                crc16=Checksum_u16(send_lora_data,7);
                memcpy(&send_lora_data[7],&crc16,2);
                lora_up_rec_flag=0;    
                Radio.Send(send_lora_data,9);//基站发送请求第x包
                
                start_count1=HAL_LPTIM_ReadCounter(&hlptim1);     //等待接收完成直到超时
                end_count1=start_count1+32768/2;//500ms等待
                if(end_count1>=32768)
                {end_count1-=32768;}
                current_count1=HAL_LPTIM_ReadCounter(&hlptim1);
                while(!lora_up_rec_flag)
                {
                    current_count1=HAL_LPTIM_ReadCounter(&hlptim1);
                    if(current_count1>=end_count1&&current_count1<end_count1+15000)
                    {
                    break;
                    }
                    delay_ms(100);
                    if(lora_up_rec_flag)
                    {break;}
                    Radio.Send(send_lora_data,9);
                }
//                while(1);
                if(lora_up_rec_flag)
                {
                    HAL_IWDG_Refresh(&hiwdg);
                     crc16=Cal_CRC16(RX_Buffer,DATA_IDX+ONE_BAG_DAXIAO);
                     if(muqiandeshengjibao==RX_Buffer[MUQIAN_BAG]&&!memcmp(&crc16,&RX_Buffer[DATA_IDX+ONE_BAG_DAXIAO],2)&&!memcmp(&dev_id,&RX_Buffer[DEST_ID_IDX],2)&& !memcmp(&wangguan_up_id,&RX_Buffer[SOURCE_ID_IDX],2))
                     {
                     memcpy(Zhongjian_data,&RX_Buffer[DATA_IDX],ONE_BAG_DAXIAO);
//                     if(app1_or_app2==1)
//                     FLASH_Write(APP1_ADRESS+ONE_BAG_DAXIAO*rxbuffer[MUQIAN_BAG],(uint8_t*)Zhongjian_data,ONE_BAG_DAXIAO);                        
//                     else
                     FLASH_Write(APP2_ADRESS+ONE_BAG_DAXIAO*RX_Buffer[MUQIAN_BAG],(uint8_t*)Zhongjian_data,ONE_BAG_DAXIAO);
                     
                     muqiandeshengjibao++;   
                     }
                }
                else
                {
                    HAL_IWDG_Refresh(&hiwdg);
                    huifushengjibaoerror_num++;
                    if(huifushengjibaoerror_num>=20)
                    {
                    huifushengjibaoerror_num=0;    
                    muqiandeshengjibao=0;
                    Delay_Ms(500);
                    HAL_NVIC_SystemReset();    
                    break;
                    }   
                }
                if(muqiandeshengjibao==final_bag_num)
                {
                uint16_t tmp11 ,result11;
                    tmp11=0XBB;
                result11 = FLASH_Prepare(APP_1OR2_ADRESS, PAGE_SIZE);
                if(result11)
                result11 = FLASH_Write(APP_1OR2_ADRESS, (const uint8_t*)&tmp11, 2); 
                Delay_Ms(1500);
                HAL_NVIC_SystemReset();
                }
            }
        }
        else
        {
        Delay_Ms(500);
//        huifushengjibao_flag=0;
        Radio.Send(send_lora_data,8);//基站发送升级确认回复
        huifushengjibaoerror_num++;
            if(huifushengjibaoerror_num>=5)
            {
            huifushengjibaoerror_num=0;    
            break;
            }                
        }
    }
   }
}