btstack_slip.h File Reference

#include <stdint.h>

Macros
#define	BTSTACK_SLIP_SOF   0xc0

Functions
uint16_t	btstack_slip_decoder_frame_size (void)
	Get size of decoded frame. More...
void	btstack_slip_decoder_init (uint8_t *buffer, uint16_t max_size)
	Initialise SLIP decoder with buffer. More...
void	btstack_slip_decoder_process (uint8_t input)
	Process received byte. More...
uint8_t	btstack_slip_encoder_get_byte (void)
	Get next byte from encoder. More...
int	btstack_slip_encoder_has_data (void)
	Check if encoder has data ready. More...
void	btstack_slip_encoder_start (const uint8_t *data, uint16_t len)
	Initialise SLIP encoder with data. More...

#define BTSTACK_SLIP_SOF   0xc0

Referenced by btstack_slip_decoder_process(), btstack_slip_encoder_get_byte(), hci_transport_h5_block_received(), hci_transport_slip_encode_chunk_and_send(), and hci_transport_slip_send_frame().

uint16_t btstack_slip_decoder_frame_size

(

void

)

Get size of decoded frame.

Returns

size of frame. Size = 0 => frame not complete

References decoder_pos, decoder_state, and SLIP_DECODER_COMPLETE.

Referenced by hci_transport_h5_block_received().

void btstack_slip_decoder_init	(	uint8_t *	buffer,
		uint16_t	max_size
	)

Initialise SLIP decoder with buffer.

Parameters

buffer	to store received data
max_size	of buffer

References btstack_slip_decoder_reset(), buffer, decoder_buffer, and decoder_max_size.

Referenced by hci_transport_slip_init().

void btstack_slip_decoder_process

(

uint8_t

input

)

Process received byte.

Parameters

input
data

References btstack_slip_decoder_reset(), btstack_slip_decoder_store_byte(), BTSTACK_SLIP_SOF, decoder_pos, decoder_state, log_error, SLIP_DECODER_ACTIVE, SLIP_DECODER_COMPLETE, SLIP_DECODER_UNKNOWN, SLIP_DECODER_X_C0, and SLIP_DECODER_X_DB.

Referenced by hci_transport_h5_block_received().

uint8_t btstack_slip_encoder_get_byte

(

void

)

Get next byte from encoder.

Returns

Next bytes from encoder

References BTSTACK_SLIP_SOF, encoder_data, encoder_len, encoder_state, log_error, SLIP_ENCODER_DEFAULT, SLIP_ENCODER_SEND_DC, and SLIP_ENCODER_SEND_DD.

Referenced by hci_transport_slip_encode_chunk_and_send(), and hci_transport_slip_send_frame().

int btstack_slip_encoder_has_data

(

void

)

Check if encoder has data ready.

Returns

True if data ready

References encoder_len, encoder_state, and SLIP_ENCODER_DEFAULT.

Referenced by hci_transport_h5_block_sent(), hci_transport_slip_encode_chunk_and_send(), and hci_transport_slip_send_frame().

void btstack_slip_encoder_start	(	const uint8_t *	data,
		uint16_t	len
	)

Initialise SLIP encoder with data.

Parameters

data
len

References encoder_data, encoder_len, encoder_state, and SLIP_ENCODER_DEFAULT.

Referenced by hci_transport_slip_encode_chunk_and_send(), and hci_transport_slip_send_frame().