usbprog.c File Reference

Include dependency graph for usbprog.c:

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Data Structures
struct	usbprog_jtag

Macros
#define	PID   0x0c63
#define	PORT_DIRECTION   0x01
#define	PORT_GET   0x03
#define	PORT_GETBIT   0x05
#define	PORT_SET   0x02
#define	PORT_SETBIT   0x04
#define	READ_TDO   0x07
#define	TCK_BIT   2
#define	TDI_BIT   3
#define	TDO_BIT   0
#define	TMS_BIT   1
#define	UNKNOWN_COMMAND   0x00
#define	VID   0x1781
#define	WRITE_AND_READ   0x08
#define	WRITE_TDI   0x06
#define	WRITE_TMS   0x09
#define	WRITE_TMS_CHAIN   0x0A

Functions
static void	usbprog_end_state (tap_state_t state)
static int	usbprog_execute_queue (struct jtag_command *cmd_queue)
static int	usbprog_init (void)
static void	usbprog_jtag_init (struct usbprog_jtag *usbprog_jtag)
static unsigned char	usbprog_jtag_message (struct usbprog_jtag *usbprog_jtag, char *msg, int msglen)
static struct usbprog_jtag *	usbprog_jtag_open (void)
static void	usbprog_jtag_read_tdo (struct usbprog_jtag *usbprog_jtag, char *buffer, int size)
static void	usbprog_jtag_set_bit (struct usbprog_jtag *usbprog_jtag, int bit, int value)
static void	usbprog_jtag_set_direction (struct usbprog_jtag *usbprog_jtag, unsigned char direction)
static void	usbprog_jtag_tms_collect (char tms_scan)
static void	usbprog_jtag_tms_send (struct usbprog_jtag *usbprog_jtag)
static void	usbprog_jtag_write_and_read (struct usbprog_jtag *usbprog_jtag, char *buffer, int size)
static void	usbprog_jtag_write_slice (struct usbprog_jtag *usbprog_jtag, unsigned char value)
static void	usbprog_jtag_write_tdi (struct usbprog_jtag *usbprog_jtag, char *buffer, int size)
static void	usbprog_jtag_write_tms (struct usbprog_jtag *usbprog_jtag, char tms_scan)
static void	usbprog_path_move (struct pathmove_command *cmd)
static int	usbprog_quit (void)
static void	usbprog_reset (int trst, int srst)
static void	usbprog_runtest (int num_cycles)
static void	usbprog_scan (bool ir_scan, enum scan_type type, uint8_t *buffer, int scan_size)
static void	usbprog_state_move (void)
static void	usbprog_write (int tck, int tms, int tdi)

Variables
static char	tms_chain [64]
static int	tms_chain_index
struct adapter_driver	usbprog_adapter_driver
static struct jtag_interface	usbprog_interface
static struct usbprog_jtag *	usbprog_jtag_handle

Macro Definition Documentation

PID

#define PID   0x0c63

Definition at line 29 of file usbprog.c.

PORT_DIRECTION

#define PORT_DIRECTION   0x01

Definition at line 44 of file usbprog.c.

PORT_GET

#define PORT_GET   0x03

Definition at line 46 of file usbprog.c.

PORT_GETBIT

#define PORT_GETBIT   0x05

Definition at line 48 of file usbprog.c.

PORT_SET

#define PORT_SET   0x02

Definition at line 45 of file usbprog.c.

PORT_SETBIT

#define PORT_SETBIT   0x04

Definition at line 47 of file usbprog.c.

READ_TDO

#define READ_TDO   0x07

Definition at line 50 of file usbprog.c.

TCK_BIT

#define TCK_BIT   2

Definition at line 34 of file usbprog.c.

TDI_BIT

#define TDI_BIT   3

Definition at line 33 of file usbprog.c.

TDO_BIT

#define TDO_BIT   0

Definition at line 32 of file usbprog.c.

TMS_BIT

#define TMS_BIT   1

Definition at line 35 of file usbprog.c.

UNKNOWN_COMMAND

#define UNKNOWN_COMMAND   0x00

Definition at line 43 of file usbprog.c.

VID

#define VID   0x1781

Definition at line 28 of file usbprog.c.

WRITE_AND_READ

#define WRITE_AND_READ   0x08

Definition at line 51 of file usbprog.c.

WRITE_TDI

#define WRITE_TDI   0x06

Definition at line 49 of file usbprog.c.

WRITE_TMS

#define WRITE_TMS   0x09

Definition at line 52 of file usbprog.c.

WRITE_TMS_CHAIN

#define WRITE_TMS_CHAIN   0x0A

Definition at line 53 of file usbprog.c.

Function Documentation

usbprog_end_state()

static void usbprog_end_state ( tap_state_t  state )

static

Definition at line 171 of file usbprog.c.

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

Referenced by usbprog_execute_queue(), usbprog_runtest(), and usbprog_scan().

usbprog_execute_queue()

static int usbprog_execute_queue ( struct jtag_command *  cmd_queue )

static

Definition at line 86 of file usbprog.c.

References buffer, cmd, ERROR_JTAG_QUEUE_FAILED, ERROR_OK, jtag_build_buffer(), JTAG_PATHMOVE, jtag_read_buffer(), 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, type, usbprog_end_state(), usbprog_path_move(), usbprog_reset(), usbprog_runtest(), usbprog_scan(), and usbprog_state_move().

usbprog_init()

static int usbprog_init ( void  )

static

Definition at line 146 of file usbprog.c.

References ERROR_JTAG_INIT_FAILED, ERROR_OK, LOG_ERROR, LOG_INFO, tms_chain_index, usbprog_jtag_handle, usbprog_jtag_init(), usbprog_jtag_open(), usbprog_reset(), and usbprog_write().

usbprog_jtag_init()

static void usbprog_jtag_init ( struct usbprog_jtag *  usbprog_jtag )

static

Definition at line 385 of file usbprog.c.

References usbprog_jtag_set_direction().

Referenced by usbprog_init().

usbprog_jtag_message()

static unsigned char usbprog_jtag_message ( struct usbprog_jtag *  usbprog_jtag, char *  msg, int  msglen  )

static

Definition at line 365 of file usbprog.c.

References ERROR_OK, jtag_libusb_bulk_read(), jtag_libusb_bulk_write(), and usbprog_jtag::usb_handle.

Referenced by usbprog_jtag_set_bit(), usbprog_jtag_set_direction(), and usbprog_jtag_write_slice().

usbprog_jtag_open()

struct usbprog_jtag * usbprog_jtag_open ( void  )

static

Definition at line 338 of file usbprog.c.

References ERROR_OK, jtag_libusb_open(), NULL, PID, usbprog_jtag::usb_handle, and VID.

Referenced by usbprog_init().

usbprog_jtag_read_tdo()

static void usbprog_jtag_read_tdo ( struct usbprog_jtag *  usbprog_jtag, char *  buffer, int  size  )

static

Definition at line 438 of file usbprog.c.

References buffer, ERROR_OK, jtag_libusb_bulk_read(), jtag_libusb_bulk_write(), size, usbprog_jtag::usb_handle, and WRITE_AND_READ.

Referenced by usbprog_scan().

usbprog_jtag_set_bit()

static void usbprog_jtag_set_bit ( struct usbprog_jtag *  usbprog_jtag, int  bit, int  value  )

static

Definition at line 542 of file usbprog.c.

References bit(), PORT_SETBIT, and usbprog_jtag_message().

Referenced by usbprog_reset().

usbprog_jtag_set_direction()

static void usbprog_jtag_set_direction ( struct usbprog_jtag *  usbprog_jtag, unsigned char  direction  )

static

Definition at line 516 of file usbprog.c.

References direction, PORT_DIRECTION, and usbprog_jtag_message().

Referenced by usbprog_jtag_init().

usbprog_jtag_tms_collect()

static void usbprog_jtag_tms_collect ( char  tms_scan )

static

Definition at line 568 of file usbprog.c.

References tms_chain, and tms_chain_index.

Referenced by usbprog_jtag_write_tms().

usbprog_jtag_tms_send()

static void usbprog_jtag_tms_send ( struct usbprog_jtag *  usbprog_jtag )

static

Definition at line 574 of file usbprog.c.

Referenced by usbprog_path_move(), usbprog_runtest(), and usbprog_scan().

usbprog_jtag_write_and_read()

static void usbprog_jtag_write_and_read ( struct usbprog_jtag *  usbprog_jtag, char *  buffer, int  size  )

static

Definition at line 390 of file usbprog.c.

References buffer, ERROR_OK, jtag_libusb_bulk_read(), jtag_libusb_bulk_write(), size, usbprog_jtag::usb_handle, and WRITE_AND_READ.

Referenced by usbprog_scan().

usbprog_jtag_write_slice()

static void usbprog_jtag_write_slice ( struct usbprog_jtag *  usbprog_jtag, unsigned char  value  )

static

Definition at line 524 of file usbprog.c.

References PORT_SET, and usbprog_jtag_message().

Referenced by usbprog_write().

usbprog_jtag_write_tdi()

static void usbprog_jtag_write_tdi ( struct usbprog_jtag *  usbprog_jtag, char *  buffer, int  size  )

static

Definition at line 480 of file usbprog.c.

References buffer, jtag_libusb_bulk_write(), size, usbprog_jtag::usb_handle, and WRITE_TDI.

Referenced by usbprog_scan().

usbprog_jtag_write_tms()

static void usbprog_jtag_write_tms ( struct usbprog_jtag *  usbprog_jtag, char  tms_scan  )

static

Definition at line 511 of file usbprog.c.

References usbprog_jtag_tms_collect().

Referenced by usbprog_state_move().

usbprog_path_move()

static void usbprog_path_move ( struct pathmove_command *  cmd )

static

Definition at line 190 of file usbprog.c.

References cmd, LOG_ERROR, tap_get_state(), tap_set_end_state(), tap_set_state, tap_state_name(), tap_state_transition(), usbprog_jtag_handle, usbprog_jtag_tms_send(), and usbprog_write().

Referenced by usbprog_execute_queue().

usbprog_quit()

static int usbprog_quit ( void  )

static

Definition at line 165 of file usbprog.c.

References ERROR_OK.

usbprog_reset()

static void usbprog_reset ( int  trst, int  srst  )

static

Definition at line 321 of file usbprog.c.

References LOG_DEBUG, usbprog_jtag_handle, and usbprog_jtag_set_bit().

Referenced by usbprog_execute_queue(), and usbprog_init().

usbprog_runtest()

static void usbprog_runtest ( int  num_cycles )

static

Definition at line 225 of file usbprog.c.

References LOG_DEBUG_IO, tap_get_end_state(), tap_get_state(), TAP_IDLE, tap_state_name(), usbprog_end_state(), usbprog_jtag_handle, usbprog_jtag_tms_send(), usbprog_state_move(), and usbprog_write().

Referenced by usbprog_execute_queue().

usbprog_scan()

static void usbprog_scan ( bool  ir_scan, enum scan_type  type, uint8_t *  buffer, int  scan_size  )

static

Definition at line 260 of file usbprog.c.

References buffer, LOG_ERROR, SCAN_IN, SCAN_IO, SCAN_OUT, size, TAP_DRPAUSE, TAP_DRSHIFT, tap_get_end_state(), tap_get_state(), TAP_IRPAUSE, TAP_IRSHIFT, tap_set_state, type, usbprog_end_state(), usbprog_jtag_handle, usbprog_jtag_read_tdo(), usbprog_jtag_tms_send(), usbprog_jtag_write_and_read(), usbprog_jtag_write_tdi(), and usbprog_state_move().

Referenced by usbprog_execute_queue().

usbprog_state_move()

static void usbprog_state_move ( void  )

static

Definition at line 181 of file usbprog.c.

References tap_get_end_state(), tap_get_state(), tap_get_tms_path(), tap_set_state, usbprog_jtag_handle, and usbprog_jtag_write_tms().

Referenced by usbprog_execute_queue(), usbprog_runtest(), and usbprog_scan().

usbprog_write()

static void usbprog_write ( int  tck, int  tms, int  tdi  )

static

Definition at line 306 of file usbprog.c.

References output_value, TCK_BIT, TDI_BIT, TMS_BIT, usbprog_jtag_handle, and usbprog_jtag_write_slice().

Referenced by usbprog_init(), usbprog_path_move(), and usbprog_runtest().

Variable Documentation

tms_chain

char tms_chain[64]

static

Definition at line 71 of file usbprog.c.

Referenced by usbprog_jtag_tms_collect().

tms_chain_index

int tms_chain_index

static

Definition at line 72 of file usbprog.c.

Referenced by usbprog_init(), and usbprog_jtag_tms_collect().

usbprog_adapter_driver

struct adapter_driver usbprog_adapter_driver

Initial value:

= {
    .name = "usbprog",
    .transports = jtag_only,
 
    .init = usbprog_init,
    .quit = usbprog_quit,
 
    .jtag_ops = &usbprog_interface,
}

Definition at line 574 of file usbprog.c.

usbprog_interface

struct jtag_interface usbprog_interface

static

Initial value:

= {
    .execute_queue = usbprog_execute_queue,
}

Definition at line 574 of file usbprog.c.

usbprog_jtag_handle

struct usbprog_jtag* usbprog_jtag_handle

static

Definition at line 59 of file usbprog.c.

Referenced by usbprog_init(), usbprog_path_move(), usbprog_reset(), usbprog_runtest(), usbprog_scan(), usbprog_state_move(), and usbprog_write().