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/**
  @defgroup nrf_sdm_api SoftDevice Manager API
  @{

  @brief APIs for SoftDevice management.

*/

#ifndef NRF_SDM_H__
#define NRF_SDM_H__

#include "nrf.h"
#include "nrf_error.h"
#include "nrf_error_sdm.h"
#include "nrf_soc.h"
#include "nrf_svc.h"
#include <stdint.h>

#ifdef __cplusplus
extern "C" {
#endif

/** @addtogroup NRF_SDM_DEFINES Defines
 * @{ */
#ifdef NRFSOC_DOXYGEN
/// Declared in nrf_mbr.h
#define MBR_SIZE 0
#warning test
#endif

/** @brief The major version for the SoftDevice binary distributed with this header file. */
#define SD_MAJOR_VERSION (7)

/** @brief The minor version for the SoftDevice binary distributed with this header file. */
#define SD_MINOR_VERSION (3)

/** @brief The bugfix version for the SoftDevice binary distributed with this header file. */
#define SD_BUGFIX_VERSION (0)

/** @brief The SoftDevice variant of this firmware. */
#define SD_VARIANT_ID 140

/** @brief The full version number for the SoftDevice binary this header file was distributed
 *         with, as a decimal number in the form Mmmmbbb, where:
 *           - M is major version (one or more digits)
 *           - mmm is minor version (three digits)
 *           - bbb is bugfix version (three digits). */
#define SD_VERSION (SD_MAJOR_VERSION * 1000000 + SD_MINOR_VERSION * 1000 + SD_BUGFIX_VERSION)

/** @brief SoftDevice Manager SVC Base number. */
#define SDM_SVC_BASE 0x10

/** @brief SoftDevice unique string size in bytes. */
#define SD_UNIQUE_STR_SIZE 20

/** @brief Invalid info field. Returned when an info field does not exist. */
#define SDM_INFO_FIELD_INVALID (0)

/** @brief Defines the SoftDevice Information Structure location (address) as an offset from
the start of the SoftDevice (without MBR)*/
#define SOFTDEVICE_INFO_STRUCT_OFFSET (0x2000)

/** @brief Defines the absolute SoftDevice Information Structure location (address) when the
 *         SoftDevice is installed just above the MBR (the usual case). */
#define SOFTDEVICE_INFO_STRUCT_ADDRESS (SOFTDEVICE_INFO_STRUCT_OFFSET + MBR_SIZE)

/** @brief Defines the offset for the SoftDevice Information Structure size value relative to the
 *         SoftDevice base address. The size value is of type uint8_t. */
#define SD_INFO_STRUCT_SIZE_OFFSET (SOFTDEVICE_INFO_STRUCT_OFFSET)

/** @brief Defines the offset for the SoftDevice size value relative to the SoftDevice base address.
 *         The size value is of type uint32_t. */
#define SD_SIZE_OFFSET (SOFTDEVICE_INFO_STRUCT_OFFSET + 0x08)

/** @brief Defines the offset for FWID value relative to the SoftDevice base address. The FWID value
 *         is of type uint16_t.  */
#define SD_FWID_OFFSET (SOFTDEVICE_INFO_STRUCT_OFFSET + 0x0C)

/** @brief Defines the offset for the SoftDevice ID relative to the SoftDevice base address. The ID
 *         is of type uint32_t. */
#define SD_ID_OFFSET (SOFTDEVICE_INFO_STRUCT_OFFSET + 0x10)

/** @brief Defines the offset for the SoftDevice version relative to the SoftDevice base address in
 *         the same format as @ref SD_VERSION, stored as an uint32_t. */
#define SD_VERSION_OFFSET (SOFTDEVICE_INFO_STRUCT_OFFSET + 0x14)

/** @brief Defines the offset for the SoftDevice unique string relative to the SoftDevice base address.
 *         The SD_UNIQUE_STR is stored as an array of uint8_t. The size of array is @ref SD_UNIQUE_STR_SIZE.
 */
#define SD_UNIQUE_STR_OFFSET (SOFTDEVICE_INFO_STRUCT_OFFSET + 0x18)

/** @brief Defines a macro for retrieving the actual SoftDevice Information Structure size value
 *         from a given base address. Use @ref MBR_SIZE as the argument when the SoftDevice is
 *         installed just above the MBR (the usual case). */
#define SD_INFO_STRUCT_SIZE_GET(baseaddr) (*((uint8_t *)((baseaddr) + SD_INFO_STRUCT_SIZE_OFFSET)))

/** @brief Defines a macro for retrieving the actual SoftDevice size value from a given base
 *         address. Use @ref MBR_SIZE as the argument when the SoftDevice is installed just above
 *         the MBR (the usual case). */
#define SD_SIZE_GET(baseaddr) (*((uint32_t *)((baseaddr) + SD_SIZE_OFFSET)))

/** @brief Defines the amount of flash that is used by the SoftDevice.
 *         Add @ref MBR_SIZE to find the first available flash address when the SoftDevice is installed
 *         just above the MBR (the usual case).
 */
#define SD_FLASH_SIZE 0x27000

/** @brief Defines a macro for retrieving the actual FWID value from a given base address. Use
 *         @ref MBR_SIZE as the argument when the SoftDevice is installed just above the MBR (the usual
 *         case). */
#define SD_FWID_GET(baseaddr) (*((uint16_t *)((baseaddr) + SD_FWID_OFFSET)))

/** @brief Defines a macro for retrieving the actual SoftDevice ID from a given base address. Use
 *         @ref MBR_SIZE as the argument when the SoftDevice is installed just above the MBR (the
 *         usual case). */
#define SD_ID_GET(baseaddr)                                                                                                      \
    ((SD_INFO_STRUCT_SIZE_GET(baseaddr) > (SD_ID_OFFSET - SOFTDEVICE_INFO_STRUCT_OFFSET))                                        \
         ? (*((uint32_t *)((baseaddr) + SD_ID_OFFSET)))                                                                          \
         : SDM_INFO_FIELD_INVALID)

/** @brief Defines a macro for retrieving the actual SoftDevice version from a given base address.
 *         Use @ref MBR_SIZE as the argument when the SoftDevice is installed just above the MBR
 *         (the usual case). */
#define SD_VERSION_GET(baseaddr)                                                                                                 \
    ((SD_INFO_STRUCT_SIZE_GET(baseaddr) > (SD_VERSION_OFFSET - SOFTDEVICE_INFO_STRUCT_OFFSET))                                   \
         ? (*((uint32_t *)((baseaddr) + SD_VERSION_OFFSET)))                                                                     \
         : SDM_INFO_FIELD_INVALID)

/** @brief Defines a macro for retrieving the address of SoftDevice unique str based on a given base address.
 *         Use @ref MBR_SIZE as the argument when the SoftDevice is installed just above the MBR
 *         (the usual case). */
#define SD_UNIQUE_STR_ADDR_GET(baseaddr)                                                                                         \
    ((SD_INFO_STRUCT_SIZE_GET(baseaddr) > (SD_UNIQUE_STR_OFFSET - SOFTDEVICE_INFO_STRUCT_OFFSET))                                \
         ? (((uint8_t *)((baseaddr) + SD_UNIQUE_STR_OFFSET)))                                                                    \
         : SDM_INFO_FIELD_INVALID)

/**@defgroup NRF_FAULT_ID_RANGES Fault ID ranges
 * @{ */
#define NRF_FAULT_ID_SD_RANGE_START 0x00000000  /**< SoftDevice ID range start. */
#define NRF_FAULT_ID_APP_RANGE_START 0x00001000 /**< Application ID range start. */
/**@} */

/**@defgroup NRF_FAULT_IDS Fault ID types
 * @{ */
#define NRF_FAULT_ID_SD_ASSERT                                                                                                   \
    (NRF_FAULT_ID_SD_RANGE_START + 1) /**< SoftDevice assertion. The info parameter is reserved for future used. */
#define NRF_FAULT_ID_APP_MEMACC                                                                                                  \
    (NRF_FAULT_ID_APP_RANGE_START + 1) /**< Application invalid memory access. The info parameter will contain 0x00000000,       \
                                            in case of SoftDevice RAM access violation. In case of SoftDevice peripheral         \
                                            register violation the info parameter will contain the sub-region number of          \
                                            PREGION[0], on whose address range the disallowed write access caused the            \
                                            memory access fault. */
/**@} */

/** @} */

/** @addtogroup NRF_SDM_ENUMS Enumerations
 * @{ */

/**@brief nRF SoftDevice Manager API SVC numbers. */
enum NRF_SD_SVCS {
    SD_SOFTDEVICE_ENABLE = SDM_SVC_BASE, /**< ::sd_softdevice_enable */
    SD_SOFTDEVICE_DISABLE,               /**< ::sd_softdevice_disable */
    SD_SOFTDEVICE_IS_ENABLED,            /**< ::sd_softdevice_is_enabled */
    SD_SOFTDEVICE_VECTOR_TABLE_BASE_SET, /**< ::sd_softdevice_vector_table_base_set */
    SVC_SDM_LAST                         /**< Placeholder for last SDM SVC */
};

/** @} */

/** @addtogroup NRF_SDM_DEFINES Defines
 * @{ */

/**@defgroup NRF_CLOCK_LF_ACCURACY Clock accuracy
 * @{ */

#define NRF_CLOCK_LF_ACCURACY_250_PPM (0) /**< Default: 250 ppm */
#define NRF_CLOCK_LF_ACCURACY_500_PPM (1) /**< 500 ppm */
#define NRF_CLOCK_LF_ACCURACY_150_PPM (2) /**< 150 ppm */
#define NRF_CLOCK_LF_ACCURACY_100_PPM (3) /**< 100 ppm */
#define NRF_CLOCK_LF_ACCURACY_75_PPM (4)  /**< 75 ppm */
#define NRF_CLOCK_LF_ACCURACY_50_PPM (5)  /**< 50 ppm */
#define NRF_CLOCK_LF_ACCURACY_30_PPM (6)  /**< 30 ppm */
#define NRF_CLOCK_LF_ACCURACY_20_PPM (7)  /**< 20 ppm */
#define NRF_CLOCK_LF_ACCURACY_10_PPM (8)  /**< 10 ppm */
#define NRF_CLOCK_LF_ACCURACY_5_PPM (9)   /**<  5 ppm */
#define NRF_CLOCK_LF_ACCURACY_2_PPM (10)  /**<  2 ppm */
#define NRF_CLOCK_LF_ACCURACY_1_PPM (11)  /**<  1 ppm */

/** @} */

/**@defgroup NRF_CLOCK_LF_SRC Possible LFCLK oscillator sources
 * @{ */

#define NRF_CLOCK_LF_SRC_RC (0)    /**< LFCLK RC oscillator. */
#define NRF_CLOCK_LF_SRC_XTAL (1)  /**< LFCLK crystal oscillator. */
#define NRF_CLOCK_LF_SRC_SYNTH (2) /**< LFCLK Synthesized from HFCLK. */

/** @} */

/** @} */

/** @addtogroup NRF_SDM_TYPES Types
 * @{ */

/**@brief Type representing LFCLK oscillator source. */
typedef struct {
    uint8_t source;       /**< LF oscillator clock source, see @ref NRF_CLOCK_LF_SRC. */
    uint8_t rc_ctiv;      /**< Only for ::NRF_CLOCK_LF_SRC_RC: Calibration timer interval in 1/4 second
                               units (nRF52: 1-32).
                               @note To avoid excessive clock drift, 0.5 degrees Celsius is the
                                     maximum temperature change allowed in one calibration timer
                                     interval. The interval should be selected to ensure this.
     
                                  @note Must be 0 if source is not ::NRF_CLOCK_LF_SRC_RC.  */
    uint8_t rc_temp_ctiv; /**<  Only for ::NRF_CLOCK_LF_SRC_RC: How often (in number of calibration
                                intervals) the RC oscillator shall be calibrated if the temperature
                                hasn't changed.
                                     0: Always calibrate even if the temperature hasn't changed.
                                     1: Only calibrate if the temperature has changed (legacy - nRF51 only).
                                     2-33: Check the temperature and only calibrate if it has changed,
                                           however calibration will take place every rc_temp_ctiv
                                           intervals in any case.

                                @note Must be 0 if source is not ::NRF_CLOCK_LF_SRC_RC.

                                @note For nRF52, the application must ensure calibration at least once
                                      every 8 seconds to ensure +/-500 ppm clock stability. The
                                      recommended configuration for ::NRF_CLOCK_LF_SRC_RC on nRF52 is
                                      rc_ctiv=16 and rc_temp_ctiv=2. This will ensure calibration at
                                      least once every 8 seconds and for temperature changes of 0.5
                                      degrees Celsius every 4 seconds. See the Product Specification
                                      for the nRF52 device being used for more information.*/
    uint8_t accuracy;     /**< External clock accuracy used in the LL to compute timing
                               windows, see @ref NRF_CLOCK_LF_ACCURACY.*/
} nrf_clock_lf_cfg_t;

/**@brief Fault Handler type.
 *
 * When certain unrecoverable errors occur within the application or SoftDevice the fault handler will be called back.
 * The protocol stack will be in an undefined state when this happens and the only way to recover will be to
 * perform a reset, using e.g. CMSIS NVIC_SystemReset().
 * If the application returns from the fault handler the SoftDevice will call NVIC_SystemReset().
 *
 * @note It is recommended to either perform a reset in the fault handler or to let the SoftDevice reset the device.
 *       Otherwise SoC peripherals may behave in an undefined way. For example, the RADIO peripherial may
 *       continously transmit packets.
 *
 * @note This callback is executed in HardFault context, thus SVC functions cannot be called from the fault callback.
 *
 * @param[in] id Fault identifier. See @ref NRF_FAULT_IDS.
 * @param[in] pc The program counter of the instruction that triggered the fault.
 * @param[in] info Optional additional information regarding the fault. Refer to each Fault identifier for details.
 *
 * @note When id is set to @ref NRF_FAULT_ID_APP_MEMACC, pc will contain the address of the instruction being executed at the time
 * when the fault is detected by the CPU. The CPU program counter may have advanced up to 2 instructions (no branching) after the
 * one that triggered the fault.
 */
typedef void (*nrf_fault_handler_t)(uint32_t id, uint32_t pc, uint32_t info);

/** @} */

/** @addtogroup NRF_SDM_FUNCTIONS Functions
 * @{ */

/**@brief Enables the SoftDevice and by extension the protocol stack.
 *
 * @note Some care must be taken if a low frequency clock source is already running when calling this function:
 *       If the LF clock has a different source then the one currently running, it will be stopped. Then, the new
 *       clock source will be started.
 *
 * @note This function has no effect when returning with an error.
 *
 * @post If return code is ::NRF_SUCCESS
 *       - SoC library and protocol stack APIs are made available.
 *       - A portion of RAM will be unavailable (see relevant SDS documentation).
 *       - Some peripherals will be unavailable or available only through the SoC API (see relevant SDS documentation).
 *       - Interrupts will not arrive from protected peripherals or interrupts.
 *       - nrf_nvic_ functions must be used instead of CMSIS NVIC_ functions for reliable usage of the SoftDevice.
 *       - Interrupt latency may be affected by the SoftDevice  (see relevant SDS documentation).
 *       - Chosen low frequency clock source will be running.
 *
 * @param p_clock_lf_cfg Low frequency clock source and accuracy.
                         If NULL the clock will be configured as an RC source with rc_ctiv = 16 and .rc_temp_ctiv = 2
                         In the case of XTAL source, the PPM accuracy of the chosen clock source must be greater than or equal to
 the actual characteristics of your XTAL clock.
 * @param fault_handler Callback to be invoked in case of fault, cannot be NULL.
 *
 * @retval ::NRF_SUCCESS
 * @retval ::NRF_ERROR_INVALID_ADDR  Invalid or NULL pointer supplied.
 * @retval ::NRF_ERROR_INVALID_STATE SoftDevice is already enabled, and the clock source and fault handler cannot be updated.
 * @retval ::NRF_ERROR_SDM_INCORRECT_INTERRUPT_CONFIGURATION SoftDevice interrupt is already enabled, or an enabled interrupt has
 an illegal priority level.
 * @retval ::NRF_ERROR_SDM_LFCLK_SOURCE_UNKNOWN Unknown low frequency clock source selected.
 * @retval ::NRF_ERROR_INVALID_PARAM Invalid clock source configuration supplied in p_clock_lf_cfg.
 */
SVCALL(SD_SOFTDEVICE_ENABLE, uint32_t,
       sd_softdevice_enable(nrf_clock_lf_cfg_t const *p_clock_lf_cfg, nrf_fault_handler_t fault_handler));

/**@brief Disables the SoftDevice and by extension the protocol stack.
 *
 * Idempotent function to disable the SoftDevice.
 *
 * @post SoC library and protocol stack APIs are made unavailable.
 * @post All interrupts that was protected by the SoftDevice will be disabled and initialized to priority 0 (highest).
 * @post All peripherals used by the SoftDevice will be reset to default values.
 * @post All of RAM become available.
 * @post All interrupts are forwarded to the application.
 * @post LFCLK source chosen in ::sd_softdevice_enable will be left running.
 *
 * @retval ::NRF_SUCCESS
 */
SVCALL(SD_SOFTDEVICE_DISABLE, uint32_t, sd_softdevice_disable(void));

/**@brief Check if the SoftDevice is enabled.
 *
 * @param[out]  p_softdevice_enabled If the SoftDevice is enabled: 1 else 0.
 *
 * @retval ::NRF_SUCCESS
 */
SVCALL(SD_SOFTDEVICE_IS_ENABLED, uint32_t, sd_softdevice_is_enabled(uint8_t *p_softdevice_enabled));

/**@brief Sets the base address of the interrupt vector table for interrupts forwarded from the SoftDevice
 *
 * This function is only intended to be called when a bootloader is enabled.
 *
 * @param[in] address The base address of the interrupt vector table for forwarded interrupts.

 * @retval ::NRF_SUCCESS
 */
SVCALL(SD_SOFTDEVICE_VECTOR_TABLE_BASE_SET, uint32_t, sd_softdevice_vector_table_base_set(uint32_t address));

/** @} */

#ifdef __cplusplus
}
#endif
#endif // NRF_SDM_H__

/**
  @}
*/