#include "btstack_config.h"
#include <inttypes.h>
#include "hci.h"
#include "btstack_slip.h"
#include "btstack_debug.h"
#include "hci_transport.h"
#include "btstack_uart_block.h"

Macros
#define	__BTSTACK_FILE__ "hci_transport_h5.c"

#define	ENABLE_LOG_DEBUG

#define	LINK_ACKNOWLEDGEMENT_TYPE 0x00

#define	LINK_CONFIG_DATA_INTEGRITY_CHECK 1

#define	LINK_CONFIG_FIELD (LINK_CONFIG_SLIDING_WINDOW_SIZE \| (LINK_CONFIG_OOF_FLOW_CONTROL << 3) \| (LINK_CONFIG_DATA_INTEGRITY_CHECK << 4) \| (LINK_CONFIG_VERSION_NR << 5))

#define	LINK_CONFIG_OOF_FLOW_CONTROL 0

#define	LINK_CONFIG_SLIDING_WINDOW_SIZE 1

#define	LINK_CONFIG_VERSION_NR 0

#define	LINK_CONTROL_MAX_LEN 3

#define	LINK_CONTROL_PACKET_TYPE 0x0f

#define	LINK_PERIOD_MS 250

#define	LINK_SLIP_TX_CHUNK_LEN 64

#define	LINK_WAKEUP_MS 50

Enumerations
enum	hci_transport_link_actions_t { HCI_TRANSPORT_LINK_SEND_SYNC = 1 << 0, HCI_TRANSPORT_LINK_SEND_SYNC_RESPONSE = 1 << 1, HCI_TRANSPORT_LINK_SEND_CONFIG = 1 << 2, HCI_TRANSPORT_LINK_SEND_CONFIG_RESPONSE_EMPTY = 1 << 3, HCI_TRANSPORT_LINK_SEND_CONFIG_RESPONSE = 1 << 4, HCI_TRANSPORT_LINK_SEND_SLEEP = 1 << 5, HCI_TRANSPORT_LINK_SEND_WOKEN = 1 << 6, HCI_TRANSPORT_LINK_SEND_WAKEUP = 1 << 7, HCI_TRANSPORT_LINK_SEND_QUEUED_PACKET = 1 << 8, HCI_TRANSPORT_LINK_SEND_ACK_PACKET = 1 << 9, HCI_TRANSPORT_LINK_ENTER_SLEEP = 1 << 10 }

enum	hci_transport_link_state_t { LINK_UNINITIALIZED, LINK_INITIALIZED, LINK_ACTIVE }

Functions
static uint16_t	btstack_reverse_bits_16 (uint16_t value)

static uint16_t	crc16_calc_for_slip_frame (const uint8_t header, const uint8_t payload, uint16_t len)

static uint16_t	crc16_ccitt_update (uint16_t crc, uint8_t ch)

static void	hci_transport_h5_block_received (void)

static void	hci_transport_h5_block_sent (void)

static int	hci_transport_h5_can_send_packet_now (uint8_t packet_type)

static int	hci_transport_h5_close (void)

static void	hci_transport_h5_emit_sleep_state (int sleep_active)

void	hci_transport_h5_enable_bcsp_mode (void)

static void	hci_transport_h5_init (const void *transport_config)

const hci_transport_t *	hci_transport_h5_instance (const btstack_uart_block_t *uart_driver)

static int	hci_transport_h5_open (void)

static void	hci_transport_h5_process_frame (uint16_t frame_size)

static void	hci_transport_h5_queue_packet (uint8_t packet_type, uint8_t *packet, int size)

static void	hci_transport_h5_read_next_byte (void)

static void	hci_transport_h5_register_packet_handler (void(handler)(uint8_t packet_type, uint8_t packet, uint16_t size))

static void	hci_transport_h5_reset_link (void)

static int	hci_transport_h5_send_packet (uint8_t packet_type, uint8_t *packet, int size)

void	hci_transport_h5_set_auto_sleep (uint16_t inactivity_timeout_ms)

static int	hci_transport_h5_set_baudrate (uint32_t baudrate)

static void	hci_transport_inactivity_timeout_handler (btstack_timer_source_t *ts)

static void	hci_transport_inactivity_timer_set (void)

static void	hci_transport_link_calc_header (uint8_t *header, uint8_t sequence_nr, uint8_t acknowledgement_nr, uint8_t data_integrity_check_present, uint8_t reliable_packet, uint8_t packet_type, uint16_t payload_length)

static uint16_t	hci_transport_link_calc_resend_timeout (uint32_t baudrate)

static void	hci_transport_link_clear_queue (void)

static int	hci_transport_link_have_outgoing_packet (void)

static int	hci_transport_link_inc_seq_nr (int seq_nr)

static void	hci_transport_link_init (void)

static void	hci_transport_link_run (void)

static void	hci_transport_link_send_ack_packet (void)

static void	hci_transport_link_send_config (void)

static void	hci_transport_link_send_config_response (void)

static void	hci_transport_link_send_config_response_empty (void)

static void	hci_transport_link_send_control (const uint8_t *message, int message_len)

static void	hci_transport_link_send_queued_packet (void)

static void	hci_transport_link_send_sleep (void)

static void	hci_transport_link_send_sync (void)

static void	hci_transport_link_send_sync_response (void)

static void	hci_transport_link_send_wakeup (void)

static void	hci_transport_link_send_woken (void)

static void	hci_transport_link_set_timer (uint16_t timeout_ms)

static void	hci_transport_link_timeout_handler (btstack_timer_source_t *timer)

static void	hci_transport_link_update_resend_timeout (uint32_t baudrate)

static void	hci_transport_slip_encode_chunk_and_send (int pos)

static void	hci_transport_slip_init (void)

static void	hci_transport_slip_send_frame (const uint8_t header, const uint8_t packet, uint16_t packet_size, uint16_t data_integrity_check)

static void	hci_transport_slip_send_next_chunk (void)

Variables
static const btstack_uart_block_t *	btstack_uart

static btstack_uart_sleep_mode_t	btstack_uart_sleep_mode

static const uint16_t	crc16_ccitt_table []

static uint8_t *	hci_packet

static uint16_t	hci_packet_size

static uint8_t	hci_packet_type

static uint8_t	hci_packet_with_pre_buffer [HCI_INCOMING_PRE_BUFFER_SIZE+6+HCI_PACKET_BUFFER_SIZE]

static int	hci_transport_bcsp_mode

static const hci_transport_t	hci_transport_h5

static uint32_t	hci_transport_h5_receive_start

static int	hci_transport_link_actions

static uint8_t	hci_transport_link_read_byte
	H5 Interface. More...

static btstack_timer_source_t	inactivity_timer

static uint8_t	link_ack_nr

static const uint8_t	link_control_config [] = { 0x03, 0xfc, LINK_CONFIG_FIELD}

static const uint8_t	link_control_config_prefix_len = 2

static const uint8_t	link_control_config_response [] = { 0x04, 0x7b, LINK_CONFIG_FIELD}

static const uint8_t	link_control_config_response_empty [] = { 0x04, 0x7b}

static const uint8_t	link_control_config_response_prefix_len = 2

static const uint8_t	link_control_sleep [] = { 0x07, 0x78}

static const uint8_t	link_control_sync [] = { 0x01, 0x7e}

static const uint8_t	link_control_sync_response [] = { 0x02, 0x7d}

static const uint8_t	link_control_wakeup [] = { 0x05, 0xfa}

static const uint8_t	link_control_woken [] = { 0x06, 0xf9}

static uint16_t	link_inactivity_timeout_ms

static uint8_t	link_peer_asleep

static uint8_t	link_peer_supports_data_integrity_check

static uint16_t	link_resend_timeout_ms

static uint8_t	link_seq_nr

static hci_transport_link_state_t	link_state

static btstack_timer_source_t	link_timer

static void(*	packet_handler )(uint8_t packet_type, uint8_t *packet, uint16_t size)

static uint8_t	slip_outgoing_buffer [LINK_SLIP_TX_CHUNK_LEN+4+1]

static uint16_t	slip_outgoing_dic

static uint16_t	slip_outgoing_dic_present

static int	slip_write_active

static btstack_uart_config_t	uart_config

#define __BTSTACK_FILE__ "hci_transport_h5.c"

#define ENABLE_LOG_DEBUG

#define LINK_ACKNOWLEDGEMENT_TYPE 0x00

Referenced by hci_transport_h5_process_frame(), and hci_transport_link_send_ack_packet().

#define LINK_CONFIG_DATA_INTEGRITY_CHECK 1

#define LINK_CONFIG_FIELD (LINK_CONFIG_SLIDING_WINDOW_SIZE | (LINK_CONFIG_OOF_FLOW_CONTROL << 3) | (LINK_CONFIG_DATA_INTEGRITY_CHECK << 4) | (LINK_CONFIG_VERSION_NR << 5))

#define LINK_CONFIG_OOF_FLOW_CONTROL 0

#define LINK_CONFIG_SLIDING_WINDOW_SIZE 1

#define LINK_CONFIG_VERSION_NR 0

#define LINK_CONTROL_MAX_LEN 3

#define LINK_CONTROL_PACKET_TYPE 0x0f

Referenced by hci_transport_h5_process_frame(), and hci_transport_link_send_control().

#define LINK_PERIOD_MS 250

Referenced by hci_transport_h5_process_frame(), hci_transport_link_init(), and hci_transport_link_timeout_handler().

#define LINK_SLIP_TX_CHUNK_LEN 64

Referenced by hci_transport_slip_encode_chunk_and_send().

#define LINK_WAKEUP_MS 50

Referenced by hci_transport_h5_send_packet(), and hci_transport_link_timeout_handler().

enum hci_transport_link_actions_t

Enumerator
HCI_TRANSPORT_LINK_SEND_SYNC
HCI_TRANSPORT_LINK_SEND_SYNC_RESPONSE
HCI_TRANSPORT_LINK_SEND_CONFIG
HCI_TRANSPORT_LINK_SEND_CONFIG_RESPONSE_EMPTY
HCI_TRANSPORT_LINK_SEND_CONFIG_RESPONSE
HCI_TRANSPORT_LINK_SEND_SLEEP
HCI_TRANSPORT_LINK_SEND_WOKEN
HCI_TRANSPORT_LINK_SEND_WAKEUP
HCI_TRANSPORT_LINK_SEND_QUEUED_PACKET
HCI_TRANSPORT_LINK_SEND_ACK_PACKET
HCI_TRANSPORT_LINK_ENTER_SLEEP

enum hci_transport_link_state_t

Enumerator
LINK_UNINITIALIZED
LINK_INITIALIZED
LINK_ACTIVE

static uint16_t btstack_reverse_bits_16 ( uint16_t value )

static

Referenced by crc16_calc_for_slip_frame().

static uint16_t crc16_calc_for_slip_frame	(	const uint8_t *	header,
		const uint8_t *	payload,
		uint16_t	len
	)

static

References btstack_reverse_bits_16(), and crc16_ccitt_update().

Referenced by hci_transport_h5_process_frame(), hci_transport_link_send_control(), and hci_transport_link_send_queued_packet().

static uint16_t crc16_ccitt_update	(	uint16_t	crc,
		uint8_t	ch
	)

static

References crc16_ccitt_table.

Referenced by crc16_calc_for_slip_frame().

static void hci_transport_h5_block_received ( void )

static

References btstack_uart_config_t::baudrate, btstack_run_loop_get_time_ms(), btstack_slip_decoder_frame_size(), btstack_slip_decoder_process(), BTSTACK_SLIP_SOF, hci_transport_h5_process_frame(), hci_transport_h5_read_next_byte(), hci_transport_h5_receive_start, hci_transport_link_read_byte, hci_transport_slip_init(), and log_info.

Referenced by hci_transport_h5_init().

static void hci_transport_h5_block_sent ( void )

static

References btstack_slip_encoder_has_data(), btstack_uart_sleep_mode, hci_transport_h5_emit_sleep_state(), hci_transport_link_actions, HCI_TRANSPORT_LINK_ENTER_SLEEP, hci_transport_link_run(), hci_transport_slip_send_next_chunk(), log_info, btstack_uart_block_t::set_sleep, and slip_write_active.

Referenced by hci_transport_h5_init().

static int hci_transport_h5_can_send_packet_now ( uint8_t packet_type )

static

References hci_transport_link_have_outgoing_packet(), LINK_ACTIVE, and link_state.

Referenced by hci_transport_h5_send_packet().

static int hci_transport_h5_close ( void )

static

References btstack_uart_block_t::close.

static void hci_transport_h5_emit_sleep_state ( int sleep_active )

static

References HCI_EVENT_PACKET, HCI_EVENT_TRANSPORT_SLEEP_MODE, log_info, and packet_handler.

Referenced by hci_transport_h5_block_sent(), hci_transport_h5_process_frame(), and hci_transport_h5_send_packet().

void hci_transport_h5_enable_bcsp_mode ( void )

References hci_transport_bcsp_mode.

static void hci_transport_h5_init ( const void * transport_config )

static

References btstack_uart_config_t::baudrate, hci_transport_config_uart_t::baudrate_init, btstack_uart_config_t::device_name, hci_transport_config_uart_t::device_name, btstack_uart_config_t::flowcontrol, hci_transport_config_uart_t::flowcontrol, HCI_TRANSPORT_CONFIG_UART, hci_transport_h5_block_received(), hci_transport_h5_block_sent(), btstack_uart_block_t::init, log_error, btstack_uart_block_t::set_block_received, and btstack_uart_block_t::set_block_sent.

const hci_transport_t* hci_transport_h5_instance ( const btstack_uart_block_t * uart_driver )

References hci_transport_h5, and uart_driver.

static int hci_transport_h5_open ( void )

static

References btstack_uart_config_t::baudrate, BTSTACK_UART_SLEEP_MASK_RTS_LOW_WAKE_ON_RX_EDGE, btstack_uart_sleep_mode, BTSTACK_UART_SLEEP_OFF, BTSTACK_UART_SLEEP_RTS_LOW_WAKE_ON_RX_EDGE, btstack_uart_block_t::get_supported_sleep_modes, hci_transport_bcsp_mode, hci_transport_h5_read_next_byte(), hci_transport_link_init(), hci_transport_link_update_resend_timeout(), hci_transport_slip_init(), log_info, btstack_uart_block_t::open, and btstack_uart_block_t::set_parity.

static void hci_transport_h5_process_frame ( uint16_t frame_size )

static

References big_endian_read_16(), btstack_run_loop_remove_timer(), btstack_uart_sleep_mode, crc16_calc_for_slip_frame(), HCI_ACL_DATA_PACKET, HCI_EVENT_PACKET, HCI_EVENT_TRANSPORT_PACKET_SENT, HCI_INCOMING_PRE_BUFFER_SIZE, hci_packet_with_pre_buffer, HCI_SCO_DATA_PACKET, hci_transport_h5_emit_sleep_state(), hci_transport_inactivity_timer_set(), hci_transport_link_actions, hci_transport_link_clear_queue(), hci_transport_link_have_outgoing_packet(), hci_transport_link_inc_seq_nr(), hci_transport_link_run(), HCI_TRANSPORT_LINK_SEND_ACK_PACKET, HCI_TRANSPORT_LINK_SEND_CONFIG, HCI_TRANSPORT_LINK_SEND_CONFIG_RESPONSE, HCI_TRANSPORT_LINK_SEND_CONFIG_RESPONSE_EMPTY, HCI_TRANSPORT_LINK_SEND_SYNC_RESPONSE, HCI_TRANSPORT_LINK_SEND_WOKEN, hci_transport_link_set_timer(), link_ack_nr, LINK_ACKNOWLEDGEMENT_TYPE, LINK_ACTIVE, link_control_config, link_control_config_prefix_len, link_control_config_response, link_control_config_response_prefix_len, LINK_CONTROL_PACKET_TYPE, link_control_sleep, link_control_sync, link_control_sync_response, link_control_wakeup, link_control_woken, LINK_INITIALIZED, link_peer_asleep, link_peer_supports_data_integrity_check, LINK_PERIOD_MS, link_seq_nr, link_state, LINK_UNINITIALIZED, log_debug, log_debug_hexdump(), log_info, packet_handler, btstack_uart_block_t::set_parity, and btstack_uart_block_t::set_sleep.

Referenced by hci_transport_h5_block_received().

static void hci_transport_h5_queue_packet	(	uint8_t	packet_type,
		uint8_t *	packet,
		int	size
	)

static

References hci_packet, hci_packet_size, and hci_packet_type.

Referenced by hci_transport_h5_send_packet().

static void hci_transport_h5_read_next_byte ( void )

static

References hci_transport_link_read_byte, and btstack_uart_block_t::receive_block.

Referenced by hci_transport_h5_block_received(), and hci_transport_h5_open().

static void hci_transport_h5_register_packet_handler ( void(*)(uint8_t packet_type, uint8_t *packet, uint16_t size) handler )

static

References packet_handler.

static void hci_transport_h5_reset_link ( void )

static

References hci_transport_link_clear_queue(), hci_transport_link_init(), hci_transport_slip_init(), and log_info.

static int hci_transport_h5_send_packet	(	uint8_t	packet_type,
		uint8_t *	packet,
		int	size
	)

static

References btstack_uart_sleep_mode, BTSTACK_UART_SLEEP_OFF, hci_transport_h5_can_send_packet_now(), hci_transport_h5_emit_sleep_state(), hci_transport_h5_queue_packet(), hci_transport_link_actions, hci_transport_link_run(), HCI_TRANSPORT_LINK_SEND_QUEUED_PACKET, HCI_TRANSPORT_LINK_SEND_WAKEUP, hci_transport_link_set_timer(), link_peer_asleep, link_resend_timeout_ms, link_state, LINK_WAKEUP_MS, log_error, log_info, and btstack_uart_block_t::set_sleep.

void hci_transport_h5_set_auto_sleep ( uint16_t inactivity_timeout_ms )

References link_inactivity_timeout_ms.

static int hci_transport_h5_set_baudrate ( uint32_t baudrate )

static

References hci_transport_link_update_resend_timeout(), log_info, and btstack_uart_block_t::set_baudrate.

static void hci_transport_inactivity_timeout_handler ( btstack_timer_source_t * ts )

static

References hci_transport_link_actions, hci_transport_link_have_outgoing_packet(), hci_transport_link_run(), HCI_TRANSPORT_LINK_SEND_SLEEP, LINK_ACTIVE, link_peer_asleep, link_state, and log_info.

Referenced by hci_transport_inactivity_timer_set().

static void hci_transport_inactivity_timer_set ( void )

static

References btstack_run_loop_add_timer(), btstack_run_loop_remove_timer(), btstack_run_loop_set_timer(), btstack_run_loop_set_timer_handler(), hci_transport_inactivity_timeout_handler(), and link_inactivity_timeout_ms.

Referenced by hci_transport_h5_process_frame(), and hci_transport_link_send_queued_packet().

static void hci_transport_link_calc_header	(	uint8_t *	header,
		uint8_t	sequence_nr,
		uint8_t	acknowledgement_nr,
		uint8_t	data_integrity_check_present,
		uint8_t	reliable_packet,
		uint8_t	packet_type,
		uint16_t	payload_length
	)

static

Referenced by hci_transport_link_send_ack_packet(), hci_transport_link_send_control(), and hci_transport_link_send_queued_packet().

static uint16_t hci_transport_link_calc_resend_timeout ( uint32_t baudrate )

static

References HCI_PACKET_BUFFER_SIZE, and log_info.

Referenced by hci_transport_link_update_resend_timeout().

static void hci_transport_link_clear_queue ( void )

static

References btstack_run_loop_remove_timer(), hci_packet, and NULL.

Referenced by hci_transport_h5_process_frame(), and hci_transport_h5_reset_link().

static int hci_transport_link_have_outgoing_packet ( void )

static

References hci_packet.

Referenced by hci_transport_h5_can_send_packet_now(), hci_transport_h5_process_frame(), hci_transport_inactivity_timeout_handler(), and hci_transport_link_timeout_handler().

static int hci_transport_link_inc_seq_nr ( int seq_nr )

static

Referenced by hci_transport_h5_process_frame().

static void hci_transport_link_init ( void )

static

References hci_transport_link_actions, hci_transport_link_run(), HCI_TRANSPORT_LINK_SEND_SYNC, hci_transport_link_set_timer(), link_peer_asleep, link_peer_supports_data_integrity_check, LINK_PERIOD_MS, link_state, and LINK_UNINITIALIZED.

Referenced by hci_transport_h5_open(), and hci_transport_h5_reset_link().

static void hci_transport_link_run ( void )

static

Referenced by hci_transport_h5_block_sent(), hci_transport_h5_process_frame(), hci_transport_h5_send_packet(), hci_transport_inactivity_timeout_handler(), hci_transport_link_init(), and hci_transport_link_timeout_handler().

static void hci_transport_link_send_ack_packet ( void )

static

References hci_transport_link_calc_header(), hci_transport_slip_send_frame(), header, link_ack_nr, LINK_ACKNOWLEDGEMENT_TYPE, log_debug, and NULL.

Referenced by hci_transport_link_run().

static void hci_transport_link_send_config ( void )

static

References hci_transport_link_send_control(), link_control_config, and log_debug.

Referenced by hci_transport_link_run().

static void hci_transport_link_send_config_response ( void )

static

References hci_transport_link_send_control(), link_control_config_response, and log_debug.

Referenced by hci_transport_link_run().

static void hci_transport_link_send_config_response_empty ( void )

static

References hci_transport_link_send_control(), link_control_config_response_empty, and log_debug.

Referenced by hci_transport_link_run().

static void hci_transport_link_send_control	(	const uint8_t *	message,
		int	message_len
	)

static

References crc16_calc_for_slip_frame(), hci_transport_link_calc_header(), hci_transport_slip_send_frame(), header, LINK_CONTROL_PACKET_TYPE, link_peer_supports_data_integrity_check, log_debug, and log_debug_hexdump().

Referenced by hci_transport_link_send_config(), hci_transport_link_send_config_response(), hci_transport_link_send_config_response_empty(), hci_transport_link_send_sleep(), hci_transport_link_send_sync(), hci_transport_link_send_sync_response(), hci_transport_link_send_wakeup(), and hci_transport_link_send_woken().

static void hci_transport_link_send_queued_packet ( void )

static

References crc16_calc_for_slip_frame(), hci_packet, hci_packet_size, hci_packet_type, hci_transport_inactivity_timer_set(), hci_transport_link_calc_header(), hci_transport_slip_send_frame(), header, link_ack_nr, link_peer_supports_data_integrity_check, link_seq_nr, log_debug, and log_debug_hexdump().

Referenced by hci_transport_link_run().

static void hci_transport_link_send_sleep ( void )

static

References hci_transport_link_send_control(), link_control_sleep, and log_debug.

Referenced by hci_transport_link_run().

static void hci_transport_link_send_sync ( void )

static

References hci_transport_link_send_control(), link_control_sync, and log_debug.

Referenced by hci_transport_link_run().

static void hci_transport_link_send_sync_response ( void )

static

References hci_transport_link_send_control(), link_control_sync_response, and log_debug.

Referenced by hci_transport_link_run().

static void hci_transport_link_send_wakeup ( void )

static

References hci_transport_link_send_control(), link_control_wakeup, and log_debug.

Referenced by hci_transport_link_run().

static void hci_transport_link_send_woken ( void )

static

References hci_transport_link_send_control(), link_control_woken, and log_debug.

Referenced by hci_transport_link_run().

static void hci_transport_link_set_timer ( uint16_t timeout_ms )

static

References btstack_run_loop_add_timer(), btstack_run_loop_set_timer(), btstack_run_loop_set_timer_handler(), and hci_transport_link_timeout_handler().

Referenced by hci_transport_h5_process_frame(), hci_transport_h5_send_packet(), hci_transport_link_init(), and hci_transport_link_timeout_handler().

static void hci_transport_link_timeout_handler ( btstack_timer_source_t * timer )

static

References hci_transport_link_actions, hci_transport_link_have_outgoing_packet(), hci_transport_link_run(), HCI_TRANSPORT_LINK_SEND_CONFIG, HCI_TRANSPORT_LINK_SEND_QUEUED_PACKET, HCI_TRANSPORT_LINK_SEND_SYNC, HCI_TRANSPORT_LINK_SEND_WAKEUP, hci_transport_link_set_timer(), LINK_ACTIVE, LINK_INITIALIZED, link_peer_asleep, LINK_PERIOD_MS, link_resend_timeout_ms, link_state, LINK_UNINITIALIZED, LINK_WAKEUP_MS, and log_info.

Referenced by hci_transport_link_set_timer().

static void hci_transport_link_update_resend_timeout ( uint32_t baudrate )

static

References hci_transport_link_calc_resend_timeout(), and link_resend_timeout_ms.

Referenced by hci_transport_h5_open(), and hci_transport_h5_set_baudrate().

static void hci_transport_slip_encode_chunk_and_send ( int pos )

static

References big_endian_store_16(), btstack_slip_encoder_get_byte(), btstack_slip_encoder_has_data(), btstack_slip_encoder_start(), BTSTACK_SLIP_SOF, LINK_SLIP_TX_CHUNK_LEN, log_debug, btstack_uart_block_t::send_block, slip_outgoing_buffer, slip_outgoing_dic, slip_outgoing_dic_present, and slip_write_active.

Referenced by hci_transport_slip_send_frame(), and hci_transport_slip_send_next_chunk().

static void hci_transport_slip_init ( void )

static

References btstack_slip_decoder_init(), HCI_INCOMING_PRE_BUFFER_SIZE, HCI_PACKET_BUFFER_SIZE, and hci_packet_with_pre_buffer.

Referenced by hci_transport_h5_block_received(), hci_transport_h5_open(), and hci_transport_h5_reset_link().

static void hci_transport_slip_send_frame	(	const uint8_t *	header,
		const uint8_t *	packet,
		uint16_t	packet_size,
		uint16_t	data_integrity_check
	)

static

References btstack_slip_encoder_get_byte(), btstack_slip_encoder_has_data(), btstack_slip_encoder_start(), BTSTACK_SLIP_SOF, hci_transport_slip_encode_chunk_and_send(), slip_outgoing_buffer, slip_outgoing_dic, and slip_outgoing_dic_present.

Referenced by hci_transport_link_send_ack_packet(), hci_transport_link_send_control(), and hci_transport_link_send_queued_packet().

static void hci_transport_slip_send_next_chunk ( void )

inlinestatic

References hci_transport_slip_encode_chunk_and_send().

Referenced by hci_transport_h5_block_sent().

const btstack_uart_block_t* btstack_uart

static

btstack_uart_sleep_mode_t btstack_uart_sleep_mode

static

Referenced by hci_transport_h5_block_sent(), hci_transport_h5_open(), hci_transport_h5_process_frame(), and hci_transport_h5_send_packet().

const uint16_t crc16_ccitt_table[]

static

Initial value:

={
    0x0000, 0x1081, 0x2102, 0x3183,
    0x4204, 0x5285, 0x6306, 0x7387,
    0x8408, 0x9489, 0xa50a, 0xb58b,
    0xc60c, 0xd68d, 0xe70e, 0xf78f
}

Referenced by crc16_ccitt_update().

uint8_t* hci_packet

static

Referenced by hci_transport_h5_queue_packet(), hci_transport_link_clear_queue(), hci_transport_link_have_outgoing_packet(), and hci_transport_link_send_queued_packet().

uint16_t hci_packet_size

static

Referenced by hci_transport_h5_queue_packet(), and hci_transport_link_send_queued_packet().

uint8_t hci_packet_type

static

Referenced by hci_transport_h5_queue_packet(), and hci_transport_link_send_queued_packet().

uint8_t hci_packet_with_pre_buffer[HCI_INCOMING_PRE_BUFFER_SIZE+6+HCI_PACKET_BUFFER_SIZE]

static

Referenced by hci_transport_h5_process_frame(), and hci_transport_slip_init().

int hci_transport_bcsp_mode

static

Referenced by hci_transport_h5_enable_bcsp_mode(), and hci_transport_h5_open().

const hci_transport_t hci_transport_h5

static

Initial value:

= {
                                            "H5",
                &hci_transport_h5_init,
                                         &hci_transport_h5_open,
                                        &hci_transport_h5_close,
       &hci_transport_h5_register_packet_handler,
           &hci_transport_h5_can_send_packet_now,
                                   &hci_transport_h5_send_packet,
                    &hci_transport_h5_set_baudrate,
                                   &hci_transport_h5_reset_link,
     NULL, 
}