Include dependency graph for rtt/rtt.h:

This graph shows which files directly or indirectly include this file:

Data Structures
struct	rtt_channel
	RTT channel. More...

struct	rtt_channel_info
	RTT channel information. More...

struct	rtt_control
	RTT control block. More...

struct	rtt_sink_list

struct	rtt_source
	RTT source. More...

Macros
#define	RTT_CB_MAX_ID_LENGTH 16
	Control block ID length in bytes, including the trailing null-terminator. More...

#define	RTT_CB_SIZE (RTT_CB_MAX_ID_LENGTH + 2 * sizeof(uint32_t))

#define	RTT_CHANNEL_BUFFER_MIN_SIZE 2

#define	RTT_CHANNEL_SIZE 24

Typedefs
typedef int(*	rtt_sink_read) (unsigned int channel, const uint8_t buffer, size_t length, void user_data)

typedef int(*	rtt_source_find_ctrl_block) (struct target target, target_addr_t address, size_t size, const char id, bool found, void *user_data)

typedef int(*	rtt_source_read) (struct target target, const struct rtt_control ctrl, struct rtt_sink_list *sinks, size_t num_channels, void user_data)

typedef int(*	rtt_source_read_channel_info) (struct target target, const struct rtt_control ctrl, unsigned int channel, enum rtt_channel_type type, struct rtt_channel_info info, void user_data)

typedef int(*	rtt_source_read_ctrl_block) (struct target target, target_addr_t address, struct rtt_control ctrl_block, void *user_data)

typedef int(*	rtt_source_start) (struct target target, const struct rtt_control ctrl, void *user_data)

typedef int(*	rtt_source_stop) (struct target target, void user_data)

typedef int(*	rtt_source_write) (struct target target, struct rtt_control ctrl, unsigned int channel, const uint8_t buffer, size_t length, void *user_data)

Enumerations
enum	rtt_channel_type { RTT_CHANNEL_TYPE_UP , RTT_CHANNEL_TYPE_DOWN }
	Channel type. More...

Functions
bool	rtt_configured (void)
	Get whether RTT is configured. More...

int	rtt_exit (void)
	Shutdown Real-Time Transfer (RTT). More...

bool	rtt_found_cb (void)
	Get whether RTT control block was found. More...

const struct rtt_control *	rtt_get_control (void)
	Get the RTT control block. More...

int	rtt_get_polling_interval (unsigned int *interval)
	Get the polling interval. More...

int	rtt_init (void)
	Initialize Real-Time Transfer (RTT). More...

int	rtt_read_channel_info (unsigned int channel_index, enum rtt_channel_type type, struct rtt_channel_info *info)
	Read channel information. More...

int	rtt_register_sink (unsigned int channel_index, rtt_sink_read read, void *user_data)
	Register an RTT sink. More...

int	rtt_register_source (const struct rtt_source source, struct target *target)
	Register an RTT source for a target. More...

int	rtt_set_polling_interval (unsigned int interval)
	Set the polling interval. More...

int	rtt_setup (target_addr_t address, size_t size, const char *id)
	Setup RTT. More...

int	rtt_start (void)
	Start Real-Time Transfer (RTT). More...

bool	rtt_started (void)
	Get whether RTT is started. More...

int	rtt_stop (void)
	Stop Real-Time Transfer (RTT). More...

int	rtt_unregister_sink (unsigned int channel_index, rtt_sink_read read, void *user_data)
	Unregister an RTT sink. More...

int	rtt_write_channel (unsigned int channel_index, const uint8_t buffer, size_t length)
	Write to an RTT channel. More...

Variables
const struct command_registration	rtt_target_command_handlers []

Macro Definition Documentation

◆ RTT_CB_MAX_ID_LENGTH

#define RTT_CB_MAX_ID_LENGTH 16

Control block ID length in bytes, including the trailing null-terminator.

Definition at line 19 of file rtt/rtt.h.

◆ RTT_CB_SIZE

#define RTT_CB_SIZE (RTT_CB_MAX_ID_LENGTH + 2 * sizeof(uint32_t))

Definition at line 22 of file rtt/rtt.h.

◆ RTT_CHANNEL_BUFFER_MIN_SIZE

#define RTT_CHANNEL_BUFFER_MIN_SIZE 2

Definition at line 28 of file rtt/rtt.h.

◆ RTT_CHANNEL_SIZE

#define RTT_CHANNEL_SIZE 24

Definition at line 25 of file rtt/rtt.h.

Typedef Documentation

◆ rtt_sink_read

typedef int(* rtt_sink_read) (unsigned int channel, const uint8_t *buffer, size_t length, void *user_data)

Definition at line 80 of file rtt/rtt.h.

◆ rtt_source_find_ctrl_block

typedef int(* rtt_source_find_ctrl_block) (struct target *target, target_addr_t *address, size_t size, const char *id, bool *found, void *user_data)

Definition at line 98 of file rtt/rtt.h.

◆ rtt_source_read

typedef int(* rtt_source_read) (struct target *target, const struct rtt_control *ctrl, struct rtt_sink_list **sinks, size_t num_channels, void *user_data)

Definition at line 111 of file rtt/rtt.h.

◆ rtt_source_read_channel_info

typedef int(* rtt_source_read_channel_info) (struct target *target, const struct rtt_control *ctrl, unsigned int channel, enum rtt_channel_type type, struct rtt_channel_info *info, void *user_data)

Definition at line 104 of file rtt/rtt.h.

◆ rtt_source_read_ctrl_block

typedef int(* rtt_source_read_ctrl_block) (struct target *target, target_addr_t address, struct rtt_control *ctrl_block, void *user_data)

Definition at line 101 of file rtt/rtt.h.

◆ rtt_source_start

typedef int(* rtt_source_start) (struct target *target, const struct rtt_control *ctrl, void *user_data)

Definition at line 108 of file rtt/rtt.h.

◆ rtt_source_stop

typedef int(* rtt_source_stop) (struct target *target, void *user_data)

Definition at line 110 of file rtt/rtt.h.

◆ rtt_source_write

typedef int(* rtt_source_write) (struct target *target, struct rtt_control *ctrl, unsigned int channel, const uint8_t *buffer, size_t *length, void *user_data)

Definition at line 114 of file rtt/rtt.h.

Enumeration Type Documentation

◆ rtt_channel_type

enum rtt_channel_type

Channel type.

Enumerator
RTT_CHANNEL_TYPE_UP	Up channel (target to host).
RTT_CHANNEL_TYPE_DOWN	Down channel (host to target).

Definition at line 91 of file rtt/rtt.h.

Function Documentation

◆ rtt_configured()

bool rtt_configured ( void )

Get whether RTT is configured.

Returns: Whether RTT is configured.

Definition at line 305 of file rtt/rtt.c.

References rtt.

Referenced by COMMAND_HANDLER().

◆ rtt_exit()

int rtt_exit ( void )

Shutdown Real-Time Transfer (RTT).

Returns: ERROR_OK on success, an error code on failure.

Definition at line 65 of file rtt/rtt.c.

References ERROR_OK, and rtt.

Referenced by openocd_main().

◆ rtt_found_cb()

bool rtt_found_cb ( void )

Get whether RTT control block was found.

Returns: Whether RTT was found.

Definition at line 310 of file rtt/rtt.c.

References rtt.

Referenced by COMMAND_HANDLER().

◆ rtt_get_control()

const struct rtt_control* rtt_get_control ( void )

Get the RTT control block.

Returns: The RTT control block.

Definition at line 315 of file rtt/rtt.c.

References rtt.

Referenced by COMMAND_HANDLER().

◆ rtt_get_polling_interval()

int rtt_get_polling_interval ( unsigned int * interval )

Get the polling interval.

Parameters

[out] interval Polling interval in milliseconds.

Returns: ERROR_OK on success, an error code on failure.

Definition at line 262 of file rtt/rtt.c.

References ERROR_FAIL, ERROR_OK, and rtt.

Referenced by COMMAND_HANDLER().

◆ rtt_init()

int rtt_init ( void )

Initialize Real-Time Transfer (RTT).

Returns: ERROR_OK on success, an error code on failure.

Definition at line 48 of file rtt/rtt.c.

References ERROR_FAIL, ERROR_OK, NULL, and rtt.

Referenced by openocd_main().

◆ rtt_read_channel_info()

int rtt_read_channel_info	(	unsigned int	channel_index,
		enum rtt_channel_type	type,
		struct rtt_channel_info *	info
	)

Read channel information.

Parameters

[in]	channel_index	Channel index.
[in]	type	Channel type.
[out]	info	Channel information.

Returns: ERROR_OK on success, an error code on failure.

Definition at line 320 of file rtt/rtt.c.

Referenced by COMMAND_HANDLER().

◆ rtt_register_sink()

int rtt_register_sink	(	unsigned int	channel_index,
		rtt_sink_read	read,
		void *	user_data
	)

Register an RTT sink.

Parameters

[in]	channel_index	Channel index.
[in]	read	Read callback function.
[in,out]	user_data	User data to be passed to the callback function.

Returns: ERROR_OK on success, an error code on failure.

Definition at line 206 of file rtt/rtt.c.

References adjust_sink_list(), ERROR_FAIL, ERROR_OK, LOG_DEBUG, rtt_sink_list::next, rtt_sink_list::read, rtt, and rtt_sink_list::user_data.

Referenced by rtt_new_connection().

◆ rtt_register_source()

int rtt_register_source	(	const struct rtt_source	source,
		struct target *	target
	)

Register an RTT source for a target.

Parameters

[in]	source	RTT source.
[in,out]	target	Target.

Returns: ERROR_OK on success, an error code on failure.

Definition at line 106 of file rtt/rtt.c.

References ERROR_FAIL, ERROR_OK, rtt_source::find_cb, rtt_source::read, rtt_source::read_cb, rtt_source::read_channel_info, rtt, source, rtt_source::start, rtt_source::stop, target, and rtt_source::write.

Referenced by COMMAND_HANDLER().

◆ rtt_set_polling_interval()

int rtt_set_polling_interval ( unsigned int interval )

Set the polling interval.

Parameters

[in] interval Polling interval in milliseconds.

Returns: ERROR_OK on success, an error code on failure.

Definition at line 272 of file rtt/rtt.c.

References ERROR_FAIL, ERROR_OK, NULL, read_channel_callback(), rtt, target_register_timer_callback(), and target_unregister_timer_callback().

Referenced by COMMAND_HANDLER().

◆ rtt_setup()

int rtt_setup	(	target_addr_t	address,
		size_t	size,
		const char *	id
	)

Setup RTT.

Parameters

[in]	address	Start address to search for the control block.
[in]	size	Size of the control block search area.
[in]	id	Identifier of the control block. Must be null-terminated.

Returns: ERROR_OK on success, an error code on failure.

Definition at line 88 of file rtt/rtt.c.

References ERROR_COMMAND_ARGUMENT_INVALID, ERROR_OK, LOG_ERROR, rtt, RTT_CB_MAX_ID_LENGTH, and size.

Referenced by COMMAND_HANDLER().

◆ rtt_start()

int rtt_start ( void )

Start Real-Time Transfer (RTT).

Returns: ERROR_OK on success, an error code on failure.

Definition at line 124 of file rtt/rtt.c.

References addr, ERROR_OK, LOG_INFO, NULL, read_channel_callback(), rtt, TARGET_PRIxADDR, and target_register_timer_callback().

Referenced by COMMAND_HANDLER().

◆ rtt_started()

bool rtt_started ( void )

Get whether RTT is started.

Returns: Whether RTT is started.

Definition at line 300 of file rtt/rtt.c.

References rtt.

◆ rtt_stop()

int rtt_stop ( void )

Stop Real-Time Transfer (RTT).

Returns: ERROR_OK on success, an error code on failure.

Definition at line 165 of file rtt/rtt.c.

References ERROR_FAIL, ERROR_OK, LOG_ERROR, NULL, read_channel_callback(), rtt, and target_unregister_timer_callback().

Referenced by COMMAND_HANDLER().

◆ rtt_unregister_sink()

int rtt_unregister_sink	(	unsigned int	channel_index,
		rtt_sink_read	read,
		void *	user_data
	)

Unregister an RTT sink.

Parameters

[in]	channel_index	Channel index.
[in]	read	Read callback function.
[in,out]	user_data	User data to be passed to the callback function.

Returns: ERROR_OK on success, an error code on failure.

Definition at line 232 of file rtt/rtt.c.

References ERROR_FAIL, ERROR_OK, LOG_DEBUG, rtt_sink_list::next, rtt_sink_list::read, rtt, and rtt_sink_list::user_data.

Referenced by rtt_connection_closed().

◆ rtt_write_channel()

int rtt_write_channel	(	unsigned int	channel_index,
		const uint8_t *	buffer,
		size_t *	length
	)

Write to an RTT channel.

Parameters

[in]	channel_index	Channel index.
[in]	buffer	Buffer with data that should be written to the channel.
[in,out]	length	Number of bytes to write. On success, the argument gets updated with the actual number of written bytes.

Returns: ERROR_OK on success, an error code on failure.

Definition at line 288 of file rtt/rtt.c.

References buffer, ERROR_OK, length, LOG_WARNING, NULL, and rtt.

Referenced by rtt_input().

Variable Documentation

◆ rtt_target_command_handlers

const struct command_registration rtt_target_command_handlers[]

extern

Definition at line 153 of file rtt/tcl.c.

Data Structures

Macros

Typedefs

Enumerations

Functions

Variables

Macro Definition Documentation

◆ RTT_CB_MAX_ID_LENGTH

◆ RTT_CB_SIZE

◆ RTT_CHANNEL_BUFFER_MIN_SIZE

◆ RTT_CHANNEL_SIZE

Typedef Documentation

◆ rtt_sink_read

◆ rtt_source_find_ctrl_block

◆ rtt_source_read

◆ rtt_source_read_channel_info

◆ rtt_source_read_ctrl_block

◆ rtt_source_start

◆ rtt_source_stop

◆ rtt_source_write

Enumeration Type Documentation

◆ rtt_channel_type

Function Documentation

◆ rtt_configured()

◆ rtt_exit()

◆ rtt_found_cb()

◆ rtt_get_control()

◆ rtt_get_polling_interval()

◆ rtt_init()

◆ rtt_read_channel_info()

◆ rtt_register_sink()

◆ rtt_register_source()

◆ rtt_set_polling_interval()

◆ rtt_setup()

◆ rtt_start()

◆ rtt_started()

◆ rtt_stop()

◆ rtt_unregister_sink()

◆ rtt_write_channel()

Variable Documentation

◆ rtt_target_command_handlers