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#ifndef NRF_802154_TYPES_H__
#define NRF_802154_TYPES_H__

#include <stdint.h>

#include "hal/nrf_radio.h"

/**
 * @defgroup nrf_802154_types Type definitions used in the 802.15.4 driver.
 * @{
 * @ingroup nrf_802154
 * @brief Definitions of types used in the 802.15.4 driver.
 */

/**
 * @brief States of the driver.
 */
typedef uint8_t nrf_802154_state_t;

#define NRF_802154_STATE_INVALID            0x01 // !< Radio in an invalid state.
#define NRF_802154_STATE_SLEEP              0x02 // !< Radio in sleep state.
#define NRF_802154_STATE_RECEIVE            0x03 // !< Radio in receive state.
#define NRF_802154_STATE_TRANSMIT           0x04 // !< Radio in transmit state.
#define NRF_802154_STATE_ENERGY_DETECTION   0x05 // !< Radio in energy detection state.
#define NRF_802154_STATE_CCA                0x06 // !< Radio in CCA state.
#define NRF_802154_STATE_CONTINUOUS_CARRIER 0x07 // !< Radio in continuous carrier state.

/**
 * @brief Errors reported during frame transmission.
 */
typedef uint8_t nrf_802154_tx_error_t;

#define NRF_802154_TX_ERROR_NONE            0x00 // !< There is no transmit error.
#define NRF_802154_TX_ERROR_BUSY_CHANNEL    0x01 // !< CCA reported busy channel prior to transmission.
#define NRF_802154_TX_ERROR_INVALID_ACK     0x02 // !< Received ACK frame is other than expected.
#define NRF_802154_TX_ERROR_NO_MEM          0x03 // !< No receive buffer is available to receive an ACK.
#define NRF_802154_TX_ERROR_TIMESLOT_ENDED  0x04 // !< Radio timeslot ended during transmission procedure.
#define NRF_802154_TX_ERROR_NO_ACK          0x05 // !< ACK frame was not received during timeout period.
#define NRF_802154_TX_ERROR_ABORTED         0x06 // !< Procedure was aborted by another driver operation with FORCE priority.
#define NRF_802154_TX_ERROR_TIMESLOT_DENIED 0x07 // !< Transmission did not start due to denied timeslot request.

/**
 * @brief Possible errors during frame reception.
 */
typedef uint8_t nrf_802154_rx_error_t;

#define NRF_802154_RX_ERROR_NONE                    0x00 // !< There is no receive error.
#define NRF_802154_RX_ERROR_INVALID_FRAME           0x01 // !< Received a malformed frame.
#define NRF_802154_RX_ERROR_INVALID_FCS             0x02 // !< Received a frame with invalid checksum.
#define NRF_802154_RX_ERROR_INVALID_DEST_ADDR       0x03 // !< Received a frame with mismatched destination address.
#define NRF_802154_RX_ERROR_RUNTIME                 0x04 // !< A runtime error occurred (for example, CPU was held for too long).
#define NRF_802154_RX_ERROR_TIMESLOT_ENDED          0x05 // !< Radio timeslot ended during frame reception.
#define NRF_802154_RX_ERROR_ABORTED                 0x06 // !< Procedure was aborted by another driver operation with FORCE priority.
#define NRF_802154_RX_ERROR_DELAYED_TIMESLOT_DENIED 0x07 // !< Delayed reception request was rejected due to denied timeslot request.
#define NRF_802154_RX_ERROR_DELAYED_TIMEOUT         0x08 // !< Frame not received during delayed reception time slot.
#define NRF_802154_RX_ERROR_INVALID_LENGTH          0x09 // !< Received a frame with invalid length.

/**
 * @brief Possible errors during energy detection.
 */
typedef uint8_t nrf_802154_ed_error_t;

#define NRF_802154_ED_ERROR_ABORTED 0x01 // !< Procedure was aborted by another driver operation with FORCE priority.

/**
 * @brief Possible errors during CCA procedure.
 */
typedef uint8_t nrf_802154_cca_error_t;

#define NRF_802154_CCA_ERROR_ABORTED 0x01 // !< Procedure was aborted by another driver operation with FORCE priority.

/**
 * @brief Possible errors during sleep procedure call.
 */
typedef uint8_t nrf_802154_sleep_error_t;

#define NRF_802154_SLEEP_ERROR_NONE 0x00 // !< There is no error.
#define NRF_802154_SLEEP_ERROR_BUSY 0x01 // !< The driver cannot enter sleep state due to ongoing operation.

/**
 * @brief Termination level selected for a particular request.
 *
 * Each request can terminate an ongoing operation. This type selects which operation should be
 * aborted by a given request.
 */
typedef uint8_t nrf_802154_term_t;

#define NRF_802154_TERM_NONE   0x00 // !< Request is skipped if another operation is ongoing.
#define NRF_802154_TERM_802154 0x01 // !< Request terminates ongoing 802.15.4 operation.

/**
 * @brief Structure for configuring CCA.
 */
typedef struct
{
    nrf_radio_cca_mode_t mode;           // !< CCA mode.
    uint8_t              ed_threshold;   // !< CCA energy busy threshold. Not used in NRF_RADIO_CCA_MODE_CARRIER.
    uint8_t              corr_threshold; // !< CCA correlator busy threshold. Not used in NRF_RADIO_CCA_MODE_ED.
    uint8_t              corr_limit;     // !< Limit of occurrences above CCA correlator busy threshold. Not used in NRF_RADIO_CCA_MODE_ED.
} nrf_802154_cca_cfg_t;

/**
 *@}
 **/

#endif // NRF_802154_TYPES_H__