/**
 * @file
 * @brief BACnet integer encode and decode helper functions
 * @author Steve Karg <skarg@users.sourceforge.net>
 * @date 2012
 * @copyright SPDX-License-Identifier: MIT
 */
#ifndef BACNET_INTEGER_H
#define BACNET_INTEGER_H

#include <stdint.h>
#include <stdbool.h>
#include <stddef.h>
/* BACnet Stack defines - first */
#include "bacnet/bacdef.h"

#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */

/* unsigned value encoding and decoding */
BACNET_STACK_EXPORT
int encode_unsigned16(uint8_t *apdu, uint16_t value);
BACNET_STACK_EXPORT
int decode_unsigned16(const uint8_t *apdu, uint16_t *value);
BACNET_STACK_EXPORT
int encode_unsigned24(uint8_t *apdu, uint32_t value);
BACNET_STACK_EXPORT
int decode_unsigned24(const uint8_t *apdu, uint32_t *value);
BACNET_STACK_EXPORT
int encode_unsigned32(uint8_t *apdu, uint32_t value);
BACNET_STACK_EXPORT
int decode_unsigned32(const uint8_t *apdu, uint32_t *value);
#ifdef UINT64_MAX
BACNET_STACK_EXPORT
int encode_unsigned40(uint8_t *buffer, uint64_t value);
BACNET_STACK_EXPORT
int decode_unsigned40(const uint8_t *buffer, uint64_t *value);
BACNET_STACK_EXPORT
int encode_unsigned48(uint8_t *buffer, uint64_t value);
BACNET_STACK_EXPORT
int decode_unsigned48(const uint8_t *buffer, uint64_t *value);
BACNET_STACK_EXPORT
int encode_unsigned56(uint8_t *buffer, uint64_t value);
BACNET_STACK_EXPORT
int decode_unsigned56(const uint8_t *buffer, uint64_t *value);
BACNET_STACK_EXPORT
int encode_unsigned64(uint8_t *buffer, uint64_t value);
BACNET_STACK_EXPORT
int decode_unsigned64(const uint8_t *buffer, uint64_t *value);
#endif

BACNET_STACK_EXPORT
int bacnet_unsigned_length(BACNET_UNSIGNED_INTEGER value);
BACNET_STACK_EXPORT
int bacnet_signed_length(int32_t value);

/* signed value encoding and decoding */
BACNET_STACK_EXPORT
int encode_signed8(uint8_t *apdu, int8_t value);
BACNET_STACK_EXPORT
int decode_signed8(const uint8_t *apdu, int32_t *value);
BACNET_STACK_EXPORT
int encode_signed16(uint8_t *apdu, int16_t value);
BACNET_STACK_EXPORT
int decode_signed16(const uint8_t *apdu, int32_t *value);
BACNET_STACK_EXPORT
int encode_signed24(uint8_t *apdu, int32_t value);
BACNET_STACK_EXPORT
int decode_signed24(const uint8_t *apdu, int32_t *value);
BACNET_STACK_EXPORT
int encode_signed32(uint8_t *apdu, int32_t value);
BACNET_STACK_EXPORT
int decode_signed32(const uint8_t *apdu, int32_t *value);

#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif