Include dependency graph for arm-jtag-ew.c:

Data Structures
struct	armjtagew

struct	pending_scan_result

Macros
#define	ARMJTAGEW_EPT_BULK_IN 0x82u

#define	ARMJTAGEW_EPT_BULK_OUT 0x01u

#define	ARMJTAGEW_IN_BUFFER_SIZE (4*1024)

#define	ARMJTAGEW_OUT_BUFFER_SIZE (4*1024)

#define	ARMJTAGEW_TAP_BUFFER_SIZE 2048

#define	ARMJTAGEW_USB_TIMEOUT 2000

#define	CMD_GET_TAPHW_STATE 0x21

#define	CMD_GET_TCK_FREQUENCY 0x12

#define	CMD_GET_VERSION 0x00

#define	CMD_MEASURE_MAX_TCK_FREQ 0x15

#define	CMD_MEASURE_RTCK_RESPONSE 0x16

#define	CMD_SELECT_DPIMPL 0x10

#define	CMD_SET_TAPHW_STATE 0x20

#define	CMD_SET_TCK_FREQUENCY 0x11

#define	CMD_TAP_SHIFT 0x17

#define	CMD_TGPWR_SETUP 0x22

#define	MAX_PENDING_SCAN_RESULTS 256

#define	USB_PID 0x001e

#define	USB_VID 0x15ba

Functions
static void	armjtagew_end_state (tap_state_t state)

static int	armjtagew_execute_queue (void)

static int	armjtagew_get_status (void)

static int	armjtagew_get_version_info (void)

static int	armjtagew_init (void)

static int	armjtagew_khz (int khz, int *jtag_speed)

static void	armjtagew_path_move (int num_states, tap_state_t *path)

static int	armjtagew_quit (void)

static void	armjtagew_reset (int trst, int srst)

static void	armjtagew_runtest (int num_cycles)

static void	armjtagew_scan (bool ir_scan, enum scan_type type, uint8_t buffer, int scan_size, struct scan_command command)

static int	armjtagew_speed (int speed)

static int	armjtagew_speed_div (int speed, int *khz)

static void	armjtagew_state_move (void)

static void	armjtagew_tap_append_scan (int length, uint8_t buffer, struct scan_command command)

static void	armjtagew_tap_append_step (int tms, int tdi)

static void	armjtagew_tap_ensure_space (int scans, int bits)

static int	armjtagew_tap_execute (void)

static void	armjtagew_tap_init (void)

static void	armjtagew_usb_close (struct armjtagew *armjtagew)

static int	armjtagew_usb_message (struct armjtagew *armjtagew, int out_length, int in_length)

static struct armjtagew *	armjtagew_usb_open (void)

static int	armjtagew_usb_read (struct armjtagew *armjtagew, int exp_in_length)

static int	armjtagew_usb_write (struct armjtagew *armjtagew, int out_length)

	COMMAND_HANDLER (armjtagew_handle_armjtagew_info_command)

Variables
struct adapter_driver	armjtagew_adapter_driver

static const struct command_registration	armjtagew_command_handlers []

static struct armjtagew *	armjtagew_handle

static struct jtag_interface	armjtagew_interface

static int	last_tms

static struct pending_scan_result	pending_scan_results_buffer [MAX_PENDING_SCAN_RESULTS]

static int	pending_scan_results_length

static int	tap_length

static uint8_t	tdi_buffer [ARMJTAGEW_TAP_BUFFER_SIZE]

static uint8_t	tdo_buffer [ARMJTAGEW_TAP_BUFFER_SIZE]

static uint8_t	tms_buffer [ARMJTAGEW_TAP_BUFFER_SIZE]

static uint8_t	usb_in_buffer [ARMJTAGEW_IN_BUFFER_SIZE]

static uint8_t	usb_out_buffer [ARMJTAGEW_OUT_BUFFER_SIZE]

Macro Definition Documentation

◆ ARMJTAGEW_EPT_BULK_IN

#define ARMJTAGEW_EPT_BULK_IN 0x82u

Definition at line 21 of file arm-jtag-ew.c.

◆ ARMJTAGEW_EPT_BULK_OUT

#define ARMJTAGEW_EPT_BULK_OUT 0x01u

Definition at line 20 of file arm-jtag-ew.c.

◆ ARMJTAGEW_IN_BUFFER_SIZE

#define ARMJTAGEW_IN_BUFFER_SIZE (4*1024)

Definition at line 25 of file arm-jtag-ew.c.

◆ ARMJTAGEW_OUT_BUFFER_SIZE

#define ARMJTAGEW_OUT_BUFFER_SIZE (4*1024)

Definition at line 26 of file arm-jtag-ew.c.

◆ ARMJTAGEW_TAP_BUFFER_SIZE

#define ARMJTAGEW_TAP_BUFFER_SIZE 2048

Definition at line 509 of file arm-jtag-ew.c.

◆ ARMJTAGEW_USB_TIMEOUT

#define ARMJTAGEW_USB_TIMEOUT 2000

Definition at line 23 of file arm-jtag-ew.c.

◆ CMD_GET_TAPHW_STATE

#define CMD_GET_TAPHW_STATE 0x21

Definition at line 37 of file arm-jtag-ew.c.

◆ CMD_GET_TCK_FREQUENCY

#define CMD_GET_TCK_FREQUENCY 0x12

Definition at line 32 of file arm-jtag-ew.c.

◆ CMD_GET_VERSION

#define CMD_GET_VERSION 0x00

Definition at line 29 of file arm-jtag-ew.c.

◆ CMD_MEASURE_MAX_TCK_FREQ

#define CMD_MEASURE_MAX_TCK_FREQ 0x15

Definition at line 33 of file arm-jtag-ew.c.

◆ CMD_MEASURE_RTCK_RESPONSE

#define CMD_MEASURE_RTCK_RESPONSE 0x16

Definition at line 34 of file arm-jtag-ew.c.

◆ CMD_SELECT_DPIMPL

#define CMD_SELECT_DPIMPL 0x10

Definition at line 30 of file arm-jtag-ew.c.

◆ CMD_SET_TAPHW_STATE

#define CMD_SET_TAPHW_STATE 0x20

Definition at line 36 of file arm-jtag-ew.c.

◆ CMD_SET_TCK_FREQUENCY

#define CMD_SET_TCK_FREQUENCY 0x11

Definition at line 31 of file arm-jtag-ew.c.

◆ CMD_TAP_SHIFT

#define CMD_TAP_SHIFT 0x17

Definition at line 35 of file arm-jtag-ew.c.

◆ CMD_TGPWR_SETUP

#define CMD_TGPWR_SETUP 0x22

Definition at line 38 of file arm-jtag-ew.c.

◆ MAX_PENDING_SCAN_RESULTS

#define MAX_PENDING_SCAN_RESULTS 256

Definition at line 523 of file arm-jtag-ew.c.

◆ USB_PID

#define USB_PID 0x001e

Definition at line 18 of file arm-jtag-ew.c.

◆ USB_VID

#define USB_VID 0x15ba

Definition at line 17 of file arm-jtag-ew.c.

Function Documentation

◆ armjtagew_end_state()

static void armjtagew_end_state ( tap_state_t state )

static

Definition at line 256 of file arm-jtag-ew.c.

References LOG_ERROR, state, tap_is_state_stable(), and tap_set_end_state().

Referenced by armjtagew_execute_queue(), armjtagew_runtest(), and armjtagew_scan().

◆ armjtagew_execute_queue()

static int armjtagew_execute_queue ( void )

static

Definition at line 88 of file arm-jtag-ew.c.

References armjtagew_end_state(), armjtagew_path_move(), armjtagew_reset(), armjtagew_runtest(), armjtagew_scan(), armjtagew_state_move(), armjtagew_tap_execute(), buffer, cmd, jtag_build_buffer(), jtag_command_queue, JTAG_PATHMOVE, JTAG_RESET, JTAG_RUNTEST, JTAG_SCAN, jtag_scan_type(), JTAG_SLEEP, jtag_sleep(), JTAG_TLR_RESET, LOG_DEBUG_IO, LOG_ERROR, TAP_RESET, tap_set_state, and type.

◆ armjtagew_get_status()

static int armjtagew_get_status ( void )

static

Definition at line 403 of file arm-jtag-ew.c.

References armjtagew_handle, armjtagew_usb_message(), buf_get_u32(), CMD_GET_TAPHW_STATE, ERROR_OK, LOG_ERROR, LOG_INFO, usb_in_buffer, and usb_out_buffer.

Referenced by armjtagew_init().

◆ armjtagew_get_version_info()

static int armjtagew_get_version_info ( void )

static

Definition at line 430 of file arm-jtag-ew.c.

References armjtagew_handle, armjtagew_usb_message(), CMD_GET_VERSION, ERROR_JTAG_DEVICE_ERROR, ERROR_OK, LOG_ERROR, LOG_INFO, LOG_WARNING, usb_in_buffer, and usb_out_buffer.

Referenced by armjtagew_init().

◆ armjtagew_init()

static int armjtagew_init ( void )

static

Definition at line 210 of file arm-jtag-ew.c.

References armjtagew_get_status(), armjtagew_get_version_info(), armjtagew_handle, armjtagew_reset(), armjtagew_speed(), armjtagew_tap_init(), armjtagew_usb_open(), ERROR_JTAG_INIT_FAILED, ERROR_OK, LOG_ERROR, and LOG_INFO.

◆ armjtagew_khz()

static int armjtagew_khz	(	int	khz,
		int *	jtag_speed
	)

static

Definition at line 196 of file arm-jtag-ew.c.

References ERROR_OK.

◆ armjtagew_path_move()

static void armjtagew_path_move	(	int	num_states,
		tap_state_t *	path
	)

static

Definition at line 282 of file arm-jtag-ew.c.

References armjtagew_tap_append_step(), LOG_ERROR, tap_get_state(), tap_set_end_state(), tap_set_state, tap_state_name(), and tap_state_transition().

Referenced by armjtagew_execute_queue().

◆ armjtagew_quit()

static int armjtagew_quit ( void )

static

Definition at line 247 of file arm-jtag-ew.c.

References armjtagew_handle, armjtagew_usb_close(), and ERROR_OK.

◆ armjtagew_reset()

static void armjtagew_reset	(	int	trst,
		int	srst
	)

static

Definition at line 363 of file arm-jtag-ew.c.

References armjtagew_handle, armjtagew_usb_write(), CMD_SET_TAPHW_STATE, LOG_DEBUG, LOG_ERROR, and usb_out_buffer.

Referenced by armjtagew_execute_queue(), and armjtagew_init().

◆ armjtagew_runtest()

static void armjtagew_runtest ( int num_cycles )

static

Definition at line 308 of file arm-jtag-ew.c.

References armjtagew_end_state(), armjtagew_state_move(), armjtagew_tap_append_step(), tap_get_end_state(), tap_get_state(), and TAP_IDLE.

Referenced by armjtagew_execute_queue().

◆ armjtagew_scan()

static void armjtagew_scan	(	bool	ir_scan,
		enum scan_type	type,
		uint8_t *	buffer,
		int	scan_size,
		struct scan_command *	command
	)

static

Definition at line 330 of file arm-jtag-ew.c.

References armjtagew_end_state(), armjtagew_state_move(), armjtagew_tap_append_scan(), armjtagew_tap_append_step(), armjtagew_tap_ensure_space(), buffer, TAP_DRPAUSE, TAP_DRSHIFT, tap_get_end_state(), tap_get_state(), TAP_IRPAUSE, TAP_IRSHIFT, and tap_set_state.

Referenced by armjtagew_execute_queue().

◆ armjtagew_speed()

static int armjtagew_speed ( int speed )

static

Definition at line 168 of file arm-jtag-ew.c.

References armjtagew_handle, armjtagew_usb_message(), buf_get_u32(), buf_set_u32(), CMD_GET_TCK_FREQUENCY, CMD_SET_TCK_FREQUENCY, ERROR_JTAG_DEVICE_ERROR, ERROR_OK, LOG_ERROR, LOG_INFO, usb_in_buffer, and usb_out_buffer.

Referenced by armjtagew_init().

◆ armjtagew_speed_div()

static int armjtagew_speed_div	(	int	speed,
		int *	khz
	)

static

Definition at line 203 of file arm-jtag-ew.c.

References ERROR_OK.

◆ armjtagew_state_move()

static void armjtagew_state_move ( void )

static

Definition at line 267 of file arm-jtag-ew.c.

References armjtagew_tap_append_step(), tap_get_end_state(), tap_get_state(), tap_get_tms_path(), tap_get_tms_path_len(), and tap_set_state.

Referenced by armjtagew_execute_queue(), armjtagew_runtest(), and armjtagew_scan().

◆ armjtagew_tap_append_scan()

void armjtagew_tap_append_scan	(	int	length,
		uint8_t *	buffer,
		struct scan_command *	command
	)

static

Definition at line 569 of file arm-jtag-ew.c.

References armjtagew_tap_append_step(), pending_scan_result::buffer, buffer, pending_scan_result::command, pending_scan_result::first, pending_scan_result::length, length, pending_scan_results_buffer, pending_scan_results_length, and tap_length.

Referenced by armjtagew_scan().

◆ armjtagew_tap_append_step()

static void armjtagew_tap_append_step	(	int	tms,
		int	tdi
	)

static

Definition at line 545 of file arm-jtag-ew.c.

References ARMJTAGEW_TAP_BUFFER_SIZE, bit(), last_tms, LOG_ERROR, tap_length, tdi_buffer, and tms_buffer.

Referenced by armjtagew_path_move(), armjtagew_runtest(), armjtagew_scan(), armjtagew_state_move(), armjtagew_tap_append_scan(), and armjtagew_tap_execute().

◆ armjtagew_tap_ensure_space()

static void armjtagew_tap_ensure_space	(	int	scans,
		int	bits
	)

static

Definition at line 536 of file arm-jtag-ew.c.

References ARMJTAGEW_TAP_BUFFER_SIZE, armjtagew_tap_execute(), bits, MAX_PENDING_SCAN_RESULTS, pending_scan_results_length, and tap_length.

Referenced by armjtagew_scan().

◆ armjtagew_tap_execute()

static int armjtagew_tap_execute ( void )

static

◆ armjtagew_tap_init()

static void armjtagew_tap_init ( void )

static

Definition at line 530 of file arm-jtag-ew.c.

References pending_scan_results_length, and tap_length.

Referenced by armjtagew_init(), and armjtagew_tap_execute().

◆ armjtagew_usb_close()

static void armjtagew_usb_close ( struct armjtagew * armjtagew )

static

Definition at line 704 of file arm-jtag-ew.c.

References armjtagew::usb_handle.

Referenced by armjtagew_quit().

◆ armjtagew_usb_message()

static int armjtagew_usb_message	(	struct armjtagew *	armjtagew,
		int	out_length,
		int	in_length
	)

static

Definition at line 711 of file arm-jtag-ew.c.

References armjtagew_usb_read(), armjtagew_usb_write(), and LOG_ERROR.

Referenced by armjtagew_get_status(), armjtagew_get_version_info(), armjtagew_speed(), and armjtagew_tap_execute().

◆ armjtagew_usb_open()

static struct armjtagew * armjtagew_usb_open ( void )

static

Definition at line 674 of file arm-jtag-ew.c.

References config, ERROR_OK, jtag_libusb_open(), NULL, armjtagew::usb_handle, USB_PID, and USB_VID.

Referenced by armjtagew_init().

◆ armjtagew_usb_read()

static int armjtagew_usb_read	(	struct armjtagew *	armjtagew,
		int	exp_in_length
	)

static

Definition at line 758 of file arm-jtag-ew.c.

References ARMJTAGEW_EPT_BULK_IN, ARMJTAGEW_USB_TIMEOUT, ERROR_OK, jtag_libusb_bulk_read(), LOG_DEBUG_IO, armjtagew::usb_handle, and usb_in_buffer.

Referenced by armjtagew_usb_message().

◆ armjtagew_usb_write()

static int armjtagew_usb_write	(	struct armjtagew *	armjtagew,
		int	out_length
	)

static

Definition at line 732 of file arm-jtag-ew.c.

References ARMJTAGEW_EPT_BULK_OUT, ARMJTAGEW_OUT_BUFFER_SIZE, ARMJTAGEW_USB_TIMEOUT, ERROR_OK, jtag_libusb_bulk_write(), LOG_DEBUG_IO, LOG_ERROR, armjtagew::usb_handle, and usb_out_buffer.

Referenced by armjtagew_reset(), and armjtagew_usb_message().

◆ COMMAND_HANDLER()

COMMAND_HANDLER ( armjtagew_handle_armjtagew_info_command )

Definition at line 466 of file arm-jtag-ew.c.

Variable Documentation

◆ armjtagew_adapter_driver

struct adapter_driver armjtagew_adapter_driver

Initial value:

= {
    .name = "arm-jtag-ew",
    .transports = jtag_only,
    .commands = armjtagew_command_handlers,
 
    .init = armjtagew_init,
    .quit = armjtagew_quit,
    .speed = armjtagew_speed,
    .khz = armjtagew_khz,
    .speed_div = armjtagew_speed_div,
 
    .jtag_ops = &armjtagew_interface,
}

Definition at line 466 of file arm-jtag-ew.c.

◆ armjtagew_command_handlers

const struct command_registration armjtagew_command_handlers[]

static

Initial value:

= {
    {
        .name = "armjtagew_info",
        .handler = &armjtagew_handle_armjtagew_info_command,
        .mode = COMMAND_EXEC,
        .help = "query armjtagew info",
        .usage = "",
    },
    COMMAND_REGISTRATION_DONE
}

Definition at line 466 of file arm-jtag-ew.c.

◆ armjtagew_handle

struct armjtagew* armjtagew_handle

static

Definition at line 83 of file arm-jtag-ew.c.

Referenced by armjtagew_get_status(), armjtagew_get_version_info(), armjtagew_init(), armjtagew_quit(), armjtagew_reset(), armjtagew_speed(), and armjtagew_tap_execute().

◆ armjtagew_interface

struct jtag_interface armjtagew_interface

static

Initial value:

= {
    .execute_queue = armjtagew_execute_queue,
}

Definition at line 466 of file arm-jtag-ew.c.

◆ last_tms

int last_tms

static

Definition at line 528 of file arm-jtag-ew.c.

Referenced by armjtagew_tap_append_step(), armjtagew_tap_execute(), linuxgpiod_write(), and sysfsgpio_write().

◆ pending_scan_results_buffer

struct pending_scan_result pending_scan_results_buffer[MAX_PENDING_SCAN_RESULTS]

static

Definition at line 525 of file arm-jtag-ew.c.

Referenced by armjtagew_tap_append_scan(), and armjtagew_tap_execute().

◆ pending_scan_results_length

int pending_scan_results_length

static

Definition at line 525 of file arm-jtag-ew.c.

Referenced by armjtagew_tap_append_scan(), armjtagew_tap_ensure_space(), armjtagew_tap_execute(), and armjtagew_tap_init().

◆ tap_length

int tap_length

static

Definition at line 511 of file arm-jtag-ew.c.

Referenced by armjtagew_tap_append_scan(), armjtagew_tap_append_step(), armjtagew_tap_ensure_space(), armjtagew_tap_execute(), and armjtagew_tap_init().

◆ tdi_buffer

uint8_t tdi_buffer[ARMJTAGEW_TAP_BUFFER_SIZE]

static

Definition at line 513 of file arm-jtag-ew.c.

Referenced by armjtagew_tap_append_step(), armjtagew_tap_execute(), jtag_debug_state_machine_(), and ulink_queue_scan().

◆ tdo_buffer

uint8_t tdo_buffer[ARMJTAGEW_TAP_BUFFER_SIZE]

static

Definition at line 514 of file arm-jtag-ew.c.

Referenced by armjtagew_tap_execute(), cmsis_dap_add_jtag_sequence(), and ulink_queue_scan().

◆ tms_buffer

uint8_t tms_buffer[ARMJTAGEW_TAP_BUFFER_SIZE]

static

Definition at line 512 of file arm-jtag-ew.c.

Referenced by armjtagew_tap_append_step(), armjtagew_tap_execute(), and jtag_debug_state_machine_().

◆ usb_in_buffer

uint8_t usb_in_buffer[ARMJTAGEW_IN_BUFFER_SIZE]

static

Definition at line 41 of file arm-jtag-ew.c.

Referenced by armjtagew_get_status(), armjtagew_get_version_info(), armjtagew_speed(), armjtagew_tap_execute(), and armjtagew_usb_read().

◆ usb_out_buffer

uint8_t usb_out_buffer[ARMJTAGEW_OUT_BUFFER_SIZE]

static

Definition at line 42 of file arm-jtag-ew.c.

Referenced by armjtagew_get_status(), armjtagew_get_version_info(), armjtagew_reset(), armjtagew_speed(), armjtagew_tap_execute(), and armjtagew_usb_write().

Data Structures

Macros

Functions

Variables

Macro Definition Documentation

◆ ARMJTAGEW_EPT_BULK_IN

◆ ARMJTAGEW_EPT_BULK_OUT

◆ ARMJTAGEW_IN_BUFFER_SIZE

◆ ARMJTAGEW_OUT_BUFFER_SIZE

◆ ARMJTAGEW_TAP_BUFFER_SIZE

◆ ARMJTAGEW_USB_TIMEOUT

◆ CMD_GET_TAPHW_STATE

◆ CMD_GET_TCK_FREQUENCY

◆ CMD_GET_VERSION

◆ CMD_MEASURE_MAX_TCK_FREQ

◆ CMD_MEASURE_RTCK_RESPONSE

◆ CMD_SELECT_DPIMPL

◆ CMD_SET_TAPHW_STATE

◆ CMD_SET_TCK_FREQUENCY

◆ CMD_TAP_SHIFT

◆ CMD_TGPWR_SETUP

◆ MAX_PENDING_SCAN_RESULTS

◆ USB_PID

◆ USB_VID

Function Documentation

◆ armjtagew_end_state()

◆ armjtagew_execute_queue()

◆ armjtagew_get_status()

◆ armjtagew_get_version_info()

◆ armjtagew_init()

◆ armjtagew_khz()

◆ armjtagew_path_move()

◆ armjtagew_quit()

◆ armjtagew_reset()

◆ armjtagew_runtest()

◆ armjtagew_scan()

◆ armjtagew_speed()

◆ armjtagew_speed_div()

◆ armjtagew_state_move()

◆ armjtagew_tap_append_scan()

◆ armjtagew_tap_append_step()

◆ armjtagew_tap_ensure_space()

◆ armjtagew_tap_execute()

◆ armjtagew_tap_init()

◆ armjtagew_usb_close()

◆ armjtagew_usb_message()

◆ armjtagew_usb_open()

◆ armjtagew_usb_read()

◆ armjtagew_usb_write()

◆ COMMAND_HANDLER()

Variable Documentation

◆ armjtagew_adapter_driver

◆ armjtagew_command_handlers

◆ armjtagew_handle

◆ armjtagew_interface

◆ last_tms

◆ pending_scan_results_buffer

◆ pending_scan_results_length

◆ tap_length

◆ tdi_buffer

◆ tdo_buffer

◆ tms_buffer

◆ usb_in_buffer

◆ usb_out_buffer