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 *      list of conditions and the following disclaimer.
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 *      and/or other materials provided with the distribution.
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 *   3. Neither the name of Nordic Semiconductor ASA nor the names of its
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 *      this software without specific prior written permission.
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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#ifndef NRF_DRIVER_RADIO802154_REQUEST_H__
#define NRF_DRIVER_RADIO802154_REQUEST_H__

#include <stdbool.h>
#include <stdint.h>

#ifdef __cplusplus
extern "C" {
#endif

/**
 * @defgroup nrf_driver_radio802154_request 802.15.4 driver request
 * @{
 * @ingroup nrf_driver_radio802154
 * @brief Requests to the driver triggered from the MAC layer.
 */

/**
 * @brief Initialize request module.
 */
void nrf_drv_radio802154_request_init(void);

/**
 * @brief Request entering sleep state.
 *
 * @retval  true   The driver will enter sleep state.
 * @retval  false  The driver cannot enter sleep state due to ongoing operation.
 */
bool nrf_drv_radio802154_request_sleep(void);

/**
 * @brief Request entering receive state.
 *
 * @param[in]  channel  Channel number used to receive data.
 *
 * @retval  true   The driver will enter receive state.
 * @retval  false  The driver cannot enter receive state due to ongoing operation.
 */
bool nrf_drv_radio802154_request_receive(uint8_t channel);

/**
 * @brief Request entering transmit state.
 *
 * @param[in]  p_data   Pointer to the frame to transmit.
 * @param[in]  channel  Channel number used to transmit the frame.
 * @param[in]  power    Transmitter power used to transmit the frame.
 * @param[in]  cca      If the driver should perform CCA procedure before transmission.
 *
 * @retval  true   The driver will enter transmit state.
 * @retval  false  The driver cannot enter transmit state due to ongoing operation.
 */
bool nrf_drv_radio802154_request_transmit(const uint8_t * p_data, uint8_t channel, int8_t power, bool cca);

/**
 * @brief Request entering energy detection state.
 *
 * @param[in]  channel  Channel number used to perform energy detection procedure.
 * @param[in]  time_us  Requested duration of energy detection procedure.
 *
 * @retval  true   The driver will enter energy detection state.
 * @retval  false  The driver cannot enter energy detection state due to ongoing operation.
 */
bool nrf_drv_radio802154_request_energy_detection(uint8_t channel, uint32_t time_us);

/**
 * @brief Request the driver to free given buffer.
 *
 * @param[in]  p_data  Pointer to the buffer to free.
 */
void nrf_drv_radio802154_request_buffer_free(uint8_t * p_data);

/**
 *@}
 **/

#ifdef __cplusplus
}
#endif

#endif // NRF_DRIVER_RADIO802154_REQUEST_H__