cc2420control.nc

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/*
 *
 * Authors:		Joe Polastre
 * Date last modified:  $Revision: 1.6 $
 *
 * Interface for CC2420 specific controls and signals
 */

/**
 * CC2420 Radio Control interface.
 */
interface CC2420Control
{
  /**
   * Tune the radio to one of the 802.15.4 present channels.
   * Valid channel values are 11 through 26.
   * The channels are calculated by:
   *  Freq = 2405 + 5(k-11) MHz for k = 11,12,...,26
   * 
   * @param freq requested 802.15.4 channel
   * 
   * @return Status of the tune operation
   */
  command result_t TunePreset(uint8_t channel); 

  /**
   * Tune the radio to a given frequency. Frequencies may be set in
   * 1 MHz steps between 2400 MHz and 2483 MHz
   * 
   * @param freq The desired channel frequency, in MHz.
   * 
   * @return Status of the tune operation
   */
  command result_t TuneManual(uint16_t freq);

  /**
   * Get the current channel of the radio
   *
   * WARNING: If running the CC2420 on a non-standard IEEE 802.15.4
   * frequency, this function will return the closest possible 
   * valid IEEE 802.15.4 channel even if the current frequency in use is not
   * a valid IEEE 802.15.4 frequency
   *
   * @return The current CC2420 channel (k=11..26)
   */
  command uint8_t GetPreset();

  /**
   * Get the current frequency of the radio
   *
   * @return The current CC2420 frequency in MHz
   */
  command uint16_t GetFrequency();

  /**
   * Turns on the 1.8V references on the CC2420.
   *
   * @return SUCCESS if the VREF has been turned on
   */
  async command result_t VREFOn();

  /**
   * Turns off the 1.8V references on the CC2420.
   *
   * @return SUCCESS if the VREF has been turned on
   */
  async command result_t VREFOff();

  /**
   * Turn on the crystal oscillator.
   *
   * @return SUCCESS if the request for the crystal to start has been accepted
   */
  async command result_t OscillatorOn();

  /**
   * Turn off the crystal oscillator.
   *
   * @return SUCCESS when the oscillator has started up
   */
  async command result_t OscillatorOff();

  /**
   * Shift the CC2420 Radio into transmit mode.
   *
   * @return SUCCESS if the radio was successfully switched to TX mode.
   */
  async command result_t TxMode();

  /**
   * Shift the CC2420 Radio into transmit mode when the next clear channel
   * is detected.
   *
   * @return SUCCESS if the transmit request has been accepted
   */
  async command result_t TxModeOnCCA();

  /**
   * Shift the CC2420 Radio in receive mode.
   *
   * @return SUCCESS if the radio was successfully switched to RX mode.
   */
  async command result_t RxMode();

  /**
   * Set the transmit RF power value.  
   * The input value is simply an arbitrary
   * index that is programmed into the CC2420 registers.  
   * The output power is set by programming the power amplifier.
   * Valid values are 1 through 31 with power of 1 equal to
   * -25dBm and 31 equal to max power (0dBm)
   *
   * @param power A power index between 1 and 31
   * 
   * @result SUCCESS if the radio power was adequately set.
   *
   */
  command result_t SetRFPower(uint8_t power);	

  /**
   * Get the present RF power index.
   *
   * @result The power index value.
   */
  command uint8_t  GetRFPower();		

  /**
   * Enables auto ack on the CC2420
   * 
   * @return SUCCESS if the mode of the CC2420 was successfully changed
   */
  async command result_t enableAutoAck();

  /**
   * Disables auto ack on the CC2420
   * 
   * @return SUCCESS if the mode of the CC2420 was successfully changed
   */
  async command result_t disableAutoAck();

  /**
   * Enables address decoding on the CC2420
   *
   * @return SUCCESS if the mode of the CC2420 was successfully changed
   */
  async command result_t enableAddrDecode();

  /**
   * Disables address decoding on the CC2420
   *
   * @return SUCCESS if the mode of the CC2420 was successfully changed
   */
  async command result_t disableAddrDecode();

  /**
   * Set the 16-bit short address of the mote
   *
   * @result SUCCESS if the request to set the address is being processed
   */
  command result_t setShortAddress(uint16_t addr);

}