owner-nrf52sdk/nRF5_SDK_15.3.0/components/nfc/platform/nfc_platform.h

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#ifndef NFC_PLATFORM_H__
#define NFC_PLATFORM_H__

/** @file
 *
 * @addtogroup nfc_api
 *
 * @defgroup nfc_platform Platform-specific module for NFC
 * @{
 * @ingroup nfc_api
 * @brief @tagAPI52 Platform-specific module for Near Field Communication Tag (NFCT).
 *
 * This module is used to set up platform-specific components that are required for NFC, and to
 * activate NFCT peripheral when all necessary conditions are fulfilled.
 *
 * @note Before the NFCT peripheral enters the ACTIVATED state, the HFXO must be running. To fulfill
 *       this requirement, this module uses the clock management module.
 *
 */

#include "nrfx_nfct.h"

#ifdef __cplusplus
extern "C" {
#endif

/**
 * @brief Function for initializing platform-specific modules required by NFC.
 *
 * This function sets up clock managing interface and other platform specific components
 * that are required for NFC.
 *
 * @retval NRFX_SUCCESS If the NFC module is initialized successfully. If one
 *                      of the arguments is invalid, an error code is returned.
 */
nrfx_err_t nfc_platform_setup(void);


/**
 * @brief Function for handling NFCT events that require platform-specific actions.
 *
 * This function is used by the NFC platform module to observe NFC events. This event flow is
 * necessary to track in order to determine when HFXO must be running and when the NFCT peripheral must
 * be activated.
 *
 * @param[in] p_event NFCT driver event.
 */
void nfc_platform_event_handler(nrfx_nfct_evt_t const * p_event);


#ifdef __cplusplus
}
#endif

/** @} */

#endif /* NFC_PLATFORM_H__ */