/*********************************************************************
* Function : EF_BOOLEAN_nRF_GetData
*
* DESCRIPTION : receive data by the nRF module
*
* PARAMETERS : U8_t* Data: pointer to received data
* U8_t DataLength: no of bytes of received data
*
* Return Value: BOOLEAN to check for Errors
**********************************************************************/
BOOLEAN EF_BOOLEAN_nRF_GetData(U8_t* Data , U8_t DataLength)
{
U8_t Status = 0;
/* check for length */
if (DataLength > PAYLOAD_WIDTH_BYTES)
{
return FALSE;
}
/* wait until RX flag = 1 */
do
{
LOW_CSN;
/* send No operation command to receive Status register (SPI Mythology )*/
Status = EF_SpiTransfer (NOP_CMD);
HIGH_CSN;
}while((Status & 1<<RX_DR) == 0);
/* send read command then get data */
LOW_CSN;
EF_SpiTransfer (R_RX_PAYLOAD_CMD);
EF_void_SPI_TransferArray(temp_Buffer, Data , DataLength);
HIGH_CSN;
#if (GET_WIDTH_IF_DYNAMIC == 1)
if (STATIC_PW == 0)
{
/* Dynamic , to print the data width*/
LOW_CSN;
Status = EF_SpiTransfer(R_RX_PL_WID);
EF_void_SPI_TransferArray(temp_Buffer, temp_Buffer , 1);
EF_void_UART_HextoASCII(&temp_Buffer[0]);
HIGH_CSN;
}
#endif
/* remove the data from RX Buffer to help receiving data again */
LOW_CSN;
EF_SpiTransfer (FLUSH_RX_CMD);
HIGH_CSN;
/* make RX flag = 0 to help receiving data again */
nRF_writeRegister (STATUS_REGISTER, (1<<RX_DR));
return Status;
}
int main()
{
DDRD |= (1<<7)|(1<<6);
PORTD |= 1<<7;
_delay_ms(1000);
EF_void_UART_Init(&Uart_Paramters);
EF_void_UART_SendArray((U8_t*)"eee",3);
// EF_void_SPI_Init(SLAVE_TYPE);
//
//
// while (1)
// {
// EF_u8_SPI_TransferByte(0xEF);
// }
EF_void_nRF_init();
EF_BOOLEAN_nRF_RXSetup();
// _delay_ms(1);
while(1)
{
// EF_BOOLEAN_nRF_RXSetup();
// _delay_ms(1);
for (iterator = 0 ; iterator <3 ; iterator++)
{
EF_BOOLEAN_nRF_GetData(&(RX_Buffer[iterator][0]), 32 );
PORTD ^= 1<<7;
}
CRC_Rx = 1;
for (iterator = 0 ; iterator <3 ; iterator++)
{
for (counter = 0 ; counter <31 ; counter++)
{
CRC_Rx = (CRC_Rx) ^ (RX_Buffer[iterator][counter]) ^
(RX_Buffer[iterator][counter+1]);
}
}
// EF_BOOLEAN_nRF_GetData ((U8_t*)data_arr , 3);
// EF_void_UART_SendArray ((U8_t*)data_arr , 3);
// data_test = EF_u8_nRF_ReadRegister (0x17);
EF_void_UART_HextoASCII (&CRC_Rx);
EF_void_UART_PutChar(' ');
// data_test = EF_u8_nRF_ReadRegister (0x7);
// EF_void_UART_HextoASCII (&data_test);
// EF_void_UART_PutChar('-');
// _delay_ms(100);
// PORTD ^= 1<<7;
//
// PORTB &= ~(1<<3);
// _delay_ms(1);
}
return 0;
}