Exemplos de RFM_Read em C++ (Cpp)

Exemplo n.º 1

Arquivo: RFM95_V20.cpp Projeto: Usagimimi/LoRa-Thing

unsigned char RFM_Get_Package(unsigned char *RFM_Rx_Package)
{
  unsigned char i;
  unsigned char RFM_Package_Length        = 0x0000;
  unsigned char RFM_Package_Location      = 0x0000;
 
  RFM_Package_Location = RFM_Read(0x10); /*Read start position of received package*/
  RFM_Package_Length   = RFM_Read(0x13); /*Read length of received package*/

  RFM_Write(0x0D,RFM_Package_Location); /*Set SPI pointer to start of package*/

  for (i = RFM_Package_Length; i > 0; i--)
  {
    *RFM_Rx_Package = RFM_Read(0x00);
    RFM_Rx_Package++;
  }

  return RFM_Package_Length;
}

Exemplo n.º 2

Arquivo: RFM95_V20.cpp Projeto: Usagimimi/LoRa-Thing

void RFM_Send_Package(unsigned char *RFM_Tx_Package, unsigned char Package_Length)
{
  unsigned char i;
  unsigned char RFM_Tx_Location = 0x00;

  //Switch DIO0 to TxDone
  RFM_Write(0x40,0x40);

  //Set carrier frequency
  // 868.100 MHz / 61.035 Hz = 14222987 = 0xD9068B
  RFM_Write(0x06,0xD9);
  RFM_Write(0x07,0x06);
  RFM_Write(0x08,0x8B);

  //Switch to SF7 CRC on payload on
  RFM_Write(0x1E,0x74);

  //Set IQ to normal values
  RFM_Write(0x33,0x27);
  RFM_Write(0x3B,0x1D);

  //Set payload length to the right length
  RFM_Write(0x22,Package_Length);

  //Get location of Tx part of FiFo
  RFM_Tx_Location = RFM_Read(0x0E);

  //Set SPI pointer to start of Tx part in FiFo
  RFM_Write(0x0D,RFM_Tx_Location);

  //Write Payload to FiFo
  for (i = 0;i < Package_Length; i++)
  {
    RFM_Write(0x00,*RFM_Tx_Package);
    RFM_Tx_Package++;
  }

  //Switch RFM to Tx
  RFM_Write(0x01,0x83);

  //Wait for TxDone
  while(digitalRead(DIO0) == LOW)
  {
  }
}

Exemplo n.º 3

Arquivo: RFM92_V10.cpp Projeto: kaaLabs15/RFM95W_Nexus

void RFM_Send_Package(unsigned char *RFM_Tx_Package, unsigned char Package_Length)
{
  unsigned char i;
  unsigned char RFM_Tx_Location = 0x00;

  //Switch DIO0 to TxDone
  RFM_Write(0x40,0x40);

  //Set payload length to the right length
  RFM_Write(0x22,Package_Length);

  //Get location of Tx part of FiFo
  RFM_Tx_Location = RFM_Read(0x0E);

  //Set SPI pointer to start of Tx part in FiFo
  RFM_Write(0x0D,RFM_Tx_Location);

  //Write Payload to FiFo
  for (i = 0;i < Package_Length; i++)
  {
    RFM_Write(0x00,*RFM_Tx_Package);
    RFM_Tx_Package++;
  }

  //Switch RFM to Tx
  RFM_Write(0x01,0x83);

  //Wait for TxDone
  while(digitalRead(DIO0) == LOW)
  {
  }

  //Clear interrupt
  RFM_Write(0x12,0x08);

  //Switch RFM to Standby
  RFM_Write(0x01,0x81);

  //Wait for Mode Ready
  while (digitalRead(DIO5) == LOW)
  {
  }

}

Exemplo n.º 4

Arquivo: RFM95_V20.cpp Projeto: Usagimimi/LoRa-Thing

message_t RFM_Receive()
{
  message_t Message_Status = NO_MESSAGE;

  unsigned char RFM_Interrupt;
  unsigned char Timer = 0x00;

  //Set carrier freqeuncy
  //869.525 / 61.035 = 14246334 = 0xD961BE
  RFM_Write(0x06,0xD9);
  RFM_Write(0x07,0x61);
  RFM_Write(0x08,0xBE);

  //Change DIO 0 to RxDone
  RFM_Write(0x40,0x00);

  //Switch to SF 9 payload on CRC on
  RFM_Write(0x1E,0x94);

  //Invert IQ
  RFM_Write(0x33,0x67);
  RFM_Write(0x3B,0x19);

  //Switch RFM to Single reception
  RFM_Write(0x01,0x86);

  //Wait on mode ready
  while(digitalRead(DIO5) == LOW)
  {
  }

  //Wait until RxDone or Timeout
  //Wait until timeout or RxDone interrupt
  while((digitalRead(DIO0) == LOW) && (digitalRead(DIO1) == LOW))
  {
  }

  //Get interrupt register
  RFM_Interrupt = RFM_Read(0x12);

  //Check for Timeout
  if(digitalRead(DIO1) == HIGH)
  {
    Message_Status = TIMEOUT;
  }

  //Check for RxDone
  if(digitalRead(DIO0) == HIGH)
  {
    //Check CRC
    if((RFM_Interrupt & 0x20) != 0x20)
    {
      Message_Status = CRC_OK;
    }
    else
    {
      Message_Status = WRONG_MESSAGE;
    }
  }

  //Clear interrupt register
  RFM_Write(0x12,0xE0);

  //Switch rfm to standby
  RFM_Write(0x01,0x81);

  return Message_Status;
}