//Sends one byte command
uint8_t spi_send_cmd(uint8_t cmd)
{
uint8_t status;
SPI_ENABLE(); //Select chip
status = SPI_TRANSFER(cmd);
SPI_DISABLE(); //Deselect chip
return(status);
}
//Sends one byte command
uint8_t spi_send_cmd(uint8_t cmd)
{
uint8_t status;
SPI_ENABLE(); //Select chip
status = spi_rw_byte(cmd);
SPI_DISABLE(); //Deselect chip
return(status);
}
void
__cc2420_arch_init(void)
{
SFIOR |= BV(PUD); /* Beware, disable all pull-ups. */
spi_init();
DDRB |= BV(RESET_N) | BV(VREG_EN) | BV(CSN);
PORTB |= BV(RESET_N) | BV(CSN);
SPI_DISABLE(); /* Unselect radio. */
}
/** \brief This function reads data from one of the radio transceiver's registers.
*
* \param address Register address to read from. See datasheet for register
* map.
*
* \see Look at the at86rf230_registermap.h file for register address definitions.
*
* \returns The actual value of the read register.
*/
inline uint8_t
spi_register_read(uint8_t address)
{
uint8_t register_value;
//SPI_READ_REG(address, register_value);
SPI_ENABLE();
SPI_WRITE(address);
register_value = (uint8_t)SPI_TRANSFER(0);
SPI_DISABLE();
return register_value;
}
//write buffer
uint8_t spi_write_buf(uint8_t cmd, uint8_t* const data, uint16_t size)
{
uint8_t status =0;
uint8_t* pdata = data;
uint8_t i = 0;
SPI_ENABLE(); //Select chip
status = spi_rw_byte(cmd); //write tx payload
for(i = 0 ; i < size; i++)
{
printf("0x%x,",*pdata);
spi_rw_byte(*pdata++);
}
SPI_DISABLE(); //Deselect chip
return status;
}
