Data conversion functions for N2K messages

Collaboration diagram for Data conversion functions for N2K messages:

Functions
int8_t	n2k_get_int8 (const n2k_act_message *n, size_t offset)
	Extract signed byte from N2K Message. More...
uint8_t	n2k_get_uint8 (const n2k_act_message *n, size_t offset)
	Extract unsigned byte from N2K Message. More...
int16_t	n2k_get_int16 (const n2k_act_message *n, size_t offset)
	Extract signed 16-bit integer from N2K Message. More...
uint16_t	n2k_get_uint16 (const n2k_act_message *n, size_t offset)
	Extract unsigned 16-bit integer from N2K Message. More...
int32_t	n2k_get_int32 (const n2k_act_message *n, size_t offset)
	Extract signed 32-bit integer from N2K Message. More...
uint32_t	n2k_get_uint32 (const n2k_act_message *n, size_t offset)
	Extract unsigned 32-bit integer from N2K Message. More...
int64_t	n2k_get_int64 (const n2k_act_message *n, size_t offset)
	Extract signed 64-bit integer from N2K Message. More...
uint64_t	n2k_get_uint64 (const n2k_act_message *n, size_t offset)
	Extract unsigned 64-bit integer from N2K Message. More...
double	n2k_get_double (const n2k_act_message *n, size_t offset, uint8_t size)
	Extract double from underlying integer data. More...
double	n2k_get_udouble (const n2k_act_message *n, size_t offset, uint8_t size)
	Extract double from underlying unsigned integer data. More...

Detailed Description

Function Documentation

n2k_get_double()

double n2k_get_double	(	const n2k_act_message *	n,
		size_t	offset,
		uint8_t	size
	)

Extract double from underlying integer data.

Parameters

[in]	n	N2K message containing target data
[in]	offset	Starting offset within n2k_act_message.data
[in]	size	Size of underlying integer (8,16,32,64)

Returns

double - NAN if underlying data is invalid

Definition at line 125 of file N2KMessages.c.

n2k_get_int16()

int16_t n2k_get_int16	(	const n2k_act_message *	n,
		size_t	offset
	)

Extract signed 16-bit integer from N2K Message.

Parameters

[in]	n	N2K message containing target data
[in]	offset	Starting offset within n2k_act_message.data

Returns

Signed 16-bit integer

Definition at line 55 of file N2KMessages.c.

n2k_get_int32()

int32_t n2k_get_int32	(	const n2k_act_message *	n,
		size_t	offset
	)

Extract signed 32-bit integer from N2K Message.

Parameters

[in]	n	N2K message containing target data
[in]	offset	Starting offset within n2k_act_message.data

Returns

Signed 32-bit integer

Definition at line 76 of file N2KMessages.c.

n2k_get_int64()

int64_t n2k_get_int64	(	const n2k_act_message *	n,
		size_t	offset
	)

Extract signed 64-bit integer from N2K Message.

Parameters

[in]	n	N2K message containing target data
[in]	offset	Starting offset within n2k_act_message.data

Returns

Signed 64-bit integer

Definition at line 99 of file N2KMessages.c.

n2k_get_int8()

int8_t n2k_get_int8	(	const n2k_act_message *	n,
		size_t	offset
	)

Extract signed byte from N2K Message.

Parameters

[in]	n	N2K message containing target data
[in]	offset	Starting offset within n2k_act_message.data

Returns

Signed byte

Definition at line 43 of file N2KMessages.c.

n2k_get_udouble()

double n2k_get_udouble	(	const n2k_act_message *	n,
		size_t	offset,
		uint8_t	size
	)

Extract double from underlying unsigned integer data.

Parameters

[in]	n	N2K message containing target data
[in]	offset	Starting offset within n2k_act_message.data
[in]	size	Size of underlying integer (8,16,32,64)

Returns

double - NAN if underlying data is invalid

Definition at line 153 of file N2KMessages.c.

n2k_get_uint16()

uint16_t n2k_get_uint16	(	const n2k_act_message *	n,
		size_t	offset
	)

Extract unsigned 16-bit integer from N2K Message.

Parameters

[in]	n	N2K message containing target data
[in]	offset	Starting offset within n2k_act_message.data

Returns

Unsigned 16-bit integer

Definition at line 67 of file N2KMessages.c.

n2k_get_uint32()

uint32_t n2k_get_uint32	(	const n2k_act_message *	n,
		size_t	offset
	)

Extract unsigned 32-bit integer from N2K Message.

Parameters

[in]	n	N2K message containing target data
[in]	offset	Starting offset within n2k_act_message.data

Returns

Unsigned 32-bit integer

Definition at line 88 of file N2KMessages.c.

n2k_get_uint64()

uint64_t n2k_get_uint64	(	const n2k_act_message *	n,
		size_t	offset
	)

Extract unsigned 64-bit integer from N2K Message.

Parameters

[in]	n	N2K message containing target data
[in]	offset	Starting offset within n2k_act_message.data

Returns

Unsigned 64-bit integer

Definition at line 111 of file N2KMessages.c.

n2k_get_uint8()

uint8_t n2k_get_uint8	(	const n2k_act_message *	n,
		size_t	offset
	)

Extract unsigned byte from N2K Message.

Parameters

[in]	n	N2K message containing target data
[in]	offset	Starting offset within n2k_act_message.data

Returns

Unsigned byte

Definition at line 34 of file N2KMessages.c.