Browse Source

jtag: add opendous and estick support

Change-Id: I49c25d226f05fdcaca6cbfc35c2ab47e8464abec
Signed-off-by: Spencer Oliver <spen@spen-soft.co.uk>
Reviewed-on: http://openocd.zylin.com/611
Tested-by: jenkins
tags/v0.6.0-rc1
Spencer Oliver 10 years ago
parent
commit
0eaa8e7db0
8 changed files with 814 additions and 1 deletions
  1. +14
    -1
      configure.ac
  2. +3
    -0
      contrib/openocd.udev
  3. +10
    -0
      doc/openocd.texi
  4. +3
    -0
      src/jtag/drivers/Makefile.am
  5. +764
    -0
      src/jtag/drivers/opendous.c
  6. +6
    -0
      src/jtag/interfaces.c
  7. +7
    -0
      tcl/interface/estick.cfg
  8. +7
    -0
      tcl/interface/opendous.cfg

+ 14
- 1
configure.ac View File

@@ -478,6 +478,10 @@ AC_ARG_ENABLE([osbdm],
AS_HELP_STRING([--enable-osbdm], [Enable building support for the OSBDM (JTAG only) Programmer]),
[build_osbdm=$enableval], [build_osbdm=no])

AC_ARG_ENABLE([opendous],
AS_HELP_STRING([--enable-opendous], [Enable building support for the estick/opendous JTAG Programmer]),
[build_opendous=$enableval], [build_opendous=no])

AC_ARG_ENABLE([minidriver_dummy],
AS_HELP_STRING([--enable-minidriver-dummy], [Enable the dummy minidriver.]),
[build_minidriver_dummy=$enableval], [build_minidriver_dummy=no])
@@ -783,6 +787,12 @@ else
AC_DEFINE([BUILD_OSBDM], [0], [0 if you don't want the OSBDM driver.])
fi

if test $build_opendous = yes; then
AC_DEFINE([BUILD_OPENDOUS], [1], [1 if you want the estick/opendous JTAG driver.])
else
AC_DEFINE([BUILD_OPENDOUS], [0], [0 if you don't want the estick/opendous JTAG driver.])
fi

if test "$use_internal_jimtcl" = yes; then
if test -f "$srcdir/jimtcl/configure.ac"; then
AX_CONFIG_SUBDIR_OPTION([jimtcl], [--disable-install-jim])
@@ -1069,7 +1079,9 @@ fi

# Check for libusb1 ported drivers.
build_usb_ng=no
if test $build_jlink = yes -o $build_stlink = yes -o $build_osbdm = yes; then
if test $build_jlink = yes -o $build_stlink = yes -o $build_osbdm = yes -o \
$build_opendous = yes
then
build_usb_ng=yes
fi

@@ -1118,6 +1130,7 @@ AM_CONDITIONAL([REMOTE_BITBANG], [test $build_remote_bitbang = yes])
AM_CONDITIONAL([BUSPIRATE], [test $build_buspirate = yes])
AM_CONDITIONAL([STLINK], [test $build_stlink = yes])
AM_CONDITIONAL([OSBDM], [test $build_osbdm = yes])
AM_CONDITIONAL([OPENDOUS], [test $build_opendous = yes])
AM_CONDITIONAL([USB], [test $build_usb = yes])
AM_CONDITIONAL([USB_NG], [test $build_usb_ng = yes])
AM_CONDITIONAL([USE_LIBUSB0], [test $use_libusb0 = yes])


+ 3
- 0
contrib/openocd.udev View File

@@ -83,4 +83,7 @@ ATTRS{idVendor}=="0483", ATTRS{idProduct}=="3744", MODE="664", GROUP="plugdev"
# stlink v2
ATTRS{idVendor}=="0483", ATTRS{idProduct}=="3748", MODE="664", GROUP="plugdev"

# opendous and estick
ATTRS{idVendor}=="03eb", ATTRS{idProduct}=="204f", MODE="664", GROUP="plugdev"

LABEL="openocd_rules_end"

+ 10
- 0
doc/openocd.texi View File

@@ -461,6 +461,12 @@ The simplest solution is to get linux to ignore the ST-LINK using one of the fol

@item @b{Buspirate}
@* Link: @url{http://dangerousprototypes.com/bus-pirate-manual/}

@item @b{opendous}
@* Link: @url{http://code.google.com/p/opendous-jtag/}

@item @b{estick}
@* Link: @url{http://code.google.com/p/estick-jtag/}
@end itemize

@section IBM PC Parallel Printer Port Based
@@ -2693,6 +2699,10 @@ Manually sets the stlink api used, valid options are 1 or 2.
@end deffn
@end deffn

@deffn {Interface Driver} {opendous}
opendous-jtag is a freely programmable USB adapter.
@end deffn

@deffn {Interface Driver} {ZY1000}
This is the Zylin ZY1000 JTAG debugger.
@end deffn


+ 3
- 0
src/jtag/drivers/Makefile.am View File

@@ -101,6 +101,9 @@ endif
if OSBDM
DRIVERFILES += osbdm.c
endif
if OPENDOUS
DRIVERFILES += opendous.c
endif

noinst_HEADERS = \
bitbang.h \


+ 764
- 0
src/jtag/drivers/opendous.c View File

@@ -0,0 +1,764 @@
/***************************************************************************
* *
* Copyright (C) 2009 by Cahya Wirawan <cahya@gmx.at> *
* Based on opendous driver by Vladimir Fonov *
* *
* Copyright (C) 2009 by Vladimir Fonov <vladimir.fonov@gmai.com> *
* Based on J-link driver by Juergen Stuber *
* *
* Copyright (C) 2007 by Juergen Stuber <juergen@jstuber.net> *
* based on Dominic Rath's and Benedikt Sauter's usbprog.c *
* *
* Copyright (C) 2008 by Spencer Oliver *
* spen@spen-soft.co.uk *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include <jtag/interface.h>
#include <jtag/commands.h>
#include "libusb_common.h"
#include <string.h>
#include <sys/timeb.h>
#include <time.h>

#define ESTICK_VID 0x1781
#define ESTICK_PID 0xC0C0

#define OPENDOUS_VID 0x03EB
#define OPENDOUS_PID 0x204F

/* pid could be specified at runtime */
static uint16_t vids[] = { OPENDOUS_VID, ESTICK_VID, 0 };
static uint16_t pids[] = { OPENDOUS_PID, ESTICK_PID, 0 };

#define OPENDOUS_WRITE_ENDPOINT 0x02
#define OPENDOUS_READ_ENDPOINT 0x81

static unsigned int opendous_hw_jtag_version = 1;

#define OPENDOUS_USB_TIMEOUT 1000

#define OPENDOUS_USB_BUFFER_SIZE 360
#define OPENDOUS_IN_BUFFER_SIZE (OPENDOUS_USB_BUFFER_SIZE)
#define OPENDOUS_OUT_BUFFER_SIZE (OPENDOUS_USB_BUFFER_SIZE)

/* Global USB buffers */
static uint8_t usb_in_buffer[OPENDOUS_IN_BUFFER_SIZE];
static uint8_t usb_out_buffer[OPENDOUS_OUT_BUFFER_SIZE];

/* Constants for OPENDOUS command */

#define OPENDOUS_MAX_SPEED 66
#define OPENDOUS_MAX_TAP_TRANSMIT 350 /* even number is easier to handle */
#define OPENDOUS_MAX_INPUT_DATA (OPENDOUS_MAX_TAP_TRANSMIT*4)

#define OPENDOUS_TAP_BUFFER_SIZE 65536

#define MAX_PENDING_SCAN_RESULTS (OPENDOUS_MAX_INPUT_DATA)

/* JTAG usb commands */
#define JTAG_CMD_TAP_OUTPUT 0x0
#define JTAG_CMD_SET_TRST 0x1
#define JTAG_CMD_SET_SRST 0x2
#define JTAG_CMD_READ_INPUT 0x3
#define JTAG_CMD_TAP_OUTPUT_EMU 0x4
#define JTAG_CMD_SET_DELAY 0x5
#define JTAG_CMD_SET_SRST_TRST 0x6
#define JTAG_CMD_READ_CONFIG 0x7

/* External interface functions */
static int opendous_execute_queue(void);
static int opendous_speed(int speed);
static int opendous_speed_div(int speed, int *khz);
static int opendous_khz(int khz, int *jtag_speed);
static int opendous_init(void);
static int opendous_quit(void);

/* Queue command functions */
static void opendous_end_state(tap_state_t state);
static void opendous_state_move(void);
static void opendous_path_move(int num_states, tap_state_t *path);
static void opendous_runtest(int num_cycles);
static void opendous_scan(int ir_scan, enum scan_type type, uint8_t *buffer,
int scan_size, struct scan_command *command);
static void opendous_reset(int trst, int srst);
static void opendous_simple_command(uint8_t command, uint8_t _data);
static int opendous_get_status(void);

/* opendous tap buffer functions */
static void opendous_tap_init(void);
static int opendous_tap_execute(void);
static void opendous_tap_ensure_space(int scans, int bits);
static void opendous_tap_append_step(int tms, int tdi);
static void opendous_tap_append_scan(int length, uint8_t *buffer, struct scan_command *command);

/* opendous lowlevel functions */
struct opendous_jtag {
struct jtag_libusb_device_handle *usb_handle;
};

static struct opendous_jtag *opendous_usb_open(void);
static void opendous_usb_close(struct opendous_jtag *opendous_jtag);
static int opendous_usb_message(struct opendous_jtag *opendous_jtag, int out_length, int in_length);
static int opendous_usb_write(struct opendous_jtag *opendous_jtag, int out_length);
static int opendous_usb_read(struct opendous_jtag *opendous_jtag);

/* helper functions */
int opendous_get_version_info(void);

#ifdef _DEBUG_USB_COMMS_
char time_str[50];
static void opendous_debug_buffer(uint8_t *buffer, int length);
char *opendous_get_time(char *);
#endif

static struct opendous_jtag *opendous_jtag_handle;

/***************************************************************************/
/* External interface implementation */

COMMAND_HANDLER(opendous_handle_opendous_info_command)
{
if (opendous_get_version_info() == ERROR_OK) {
/* attempt to get status */
opendous_get_status();
}

return ERROR_OK;
}

COMMAND_HANDLER(opendous_handle_opendous_hw_jtag_command)
{
switch (CMD_ARGC) {
case 0:
command_print(CMD_CTX, "opendous hw jtag %i", opendous_hw_jtag_version);
break;

case 1: {
int request_version = atoi(CMD_ARGV[0]);
switch (request_version) {
case 2:
case 3:
opendous_hw_jtag_version = request_version;
break;

default:
return ERROR_COMMAND_SYNTAX_ERROR;
}
break;
}

default:
return ERROR_COMMAND_SYNTAX_ERROR;
}

return ERROR_OK;
}

static const struct command_registration opendous_command_handlers[] = {
{
.name = "opendous_info",
.handler = &opendous_handle_opendous_info_command,
.mode = COMMAND_EXEC,
.help = "show opendous info",
},
{
.name = "opendous_hw_jtag",
.handler = &opendous_handle_opendous_hw_jtag_command,
.mode = COMMAND_EXEC,
.help = "access opendous HW JTAG command version",
.usage = "[2|3]",
},
COMMAND_REGISTRATION_DONE
};

struct jtag_interface opendous_interface = {
.name = "opendous",
.commands = opendous_command_handlers,
.execute_queue = opendous_execute_queue,
.speed = opendous_speed,
.speed_div = opendous_speed_div,
.khz = opendous_khz,
.init = opendous_init,
.quit = opendous_quit,
};

static int opendous_execute_queue(void)
{
struct jtag_command *cmd = jtag_command_queue;
int scan_size;
enum scan_type type;
uint8_t *buffer;

while (cmd != NULL) {
switch (cmd->type) {
case JTAG_RUNTEST:
DEBUG_JTAG_IO("runtest %i cycles, end in %i", cmd->cmd.runtest->num_cycles, \
cmd->cmd.runtest->end_state);

if (cmd->cmd.runtest->end_state != -1)
opendous_end_state(cmd->cmd.runtest->end_state);
opendous_runtest(cmd->cmd.runtest->num_cycles);
break;

case JTAG_TLR_RESET:
DEBUG_JTAG_IO("statemove end in %i", cmd->cmd.statemove->end_state);

if (cmd->cmd.statemove->end_state != -1)
opendous_end_state(cmd->cmd.statemove->end_state);
opendous_state_move();
break;

case JTAG_PATHMOVE:
DEBUG_JTAG_IO("pathmove: %i states, end in %i", \
cmd->cmd.pathmove->num_states, \
cmd->cmd.pathmove->path[cmd->cmd.pathmove->num_states - 1]);

opendous_path_move(cmd->cmd.pathmove->num_states, cmd->cmd.pathmove->path);
break;

case JTAG_SCAN:
DEBUG_JTAG_IO("scan end in %i", cmd->cmd.scan->end_state);

if (cmd->cmd.scan->end_state != -1)
opendous_end_state(cmd->cmd.scan->end_state);

scan_size = jtag_build_buffer(cmd->cmd.scan, &buffer);
DEBUG_JTAG_IO("scan input, length = %d", scan_size);

#ifdef _DEBUG_USB_COMMS_
opendous_debug_buffer(buffer, (scan_size + 7) / 8);
#endif
type = jtag_scan_type(cmd->cmd.scan);
opendous_scan(cmd->cmd.scan->ir_scan, type, buffer, scan_size, cmd->cmd.scan);
break;

case JTAG_RESET:
DEBUG_JTAG_IO("reset trst: %i srst %i", cmd->cmd.reset->trst, cmd->cmd.reset->srst);

opendous_tap_execute();

if (cmd->cmd.reset->trst == 1)
tap_set_state(TAP_RESET);
opendous_reset(cmd->cmd.reset->trst, cmd->cmd.reset->srst);
break;

case JTAG_SLEEP:
DEBUG_JTAG_IO("sleep %i", cmd->cmd.sleep->us);
opendous_tap_execute();
jtag_sleep(cmd->cmd.sleep->us);
break;

default:
LOG_ERROR("BUG: unknown JTAG command type encountered");
exit(-1);
}
cmd = cmd->next;
}
return opendous_tap_execute();
}

/* Sets speed in kHz. */
static int opendous_speed(int speed)
{
if (speed <= OPENDOUS_MAX_SPEED) {
/* one day... */
return ERROR_OK;
} else
LOG_INFO("Requested speed %dkHz exceeds maximum of %dkHz, ignored", speed, OPENDOUS_MAX_SPEED);

return ERROR_OK;
}

static int opendous_speed_div(int speed, int *khz)
{
*khz = speed;

return ERROR_OK;
}

static int opendous_khz(int khz, int *jtag_speed)
{
*jtag_speed = khz;
/* TODO: convert this into delay value for opendous */

return ERROR_OK;
}

static int opendous_init(void)
{
int check_cnt;

opendous_jtag_handle = opendous_usb_open();

if (opendous_jtag_handle == 0) {
LOG_ERROR("Cannot find opendous Interface! Please check connection and permissions.");
return ERROR_JTAG_INIT_FAILED;
}

check_cnt = 0;
while (check_cnt < 3) {
if (opendous_get_version_info() == ERROR_OK) {
/* attempt to get status */
opendous_get_status();
break;
}

check_cnt++;
}

LOG_INFO("opendous JTAG Interface ready");

opendous_reset(0, 0);
opendous_tap_init();

return ERROR_OK;
}

static int opendous_quit(void)
{
opendous_usb_close(opendous_jtag_handle);
return ERROR_OK;
}

/***************************************************************************/
/* Queue command implementations */

void opendous_end_state(tap_state_t state)
{
if (tap_is_state_stable(state))
tap_set_end_state(state);
else {
LOG_ERROR("BUG: %i is not a valid end state", state);
exit(-1);
}
}

/* Goes to the end state. */
void opendous_state_move(void)
{
int i;
int tms = 0;
uint8_t tms_scan = tap_get_tms_path(tap_get_state(), tap_get_end_state());
uint8_t tms_scan_bits = tap_get_tms_path_len(tap_get_state(), tap_get_end_state());

for (i = 0; i < tms_scan_bits; i++) {
tms = (tms_scan >> i) & 1;
opendous_tap_append_step(tms, 0);
}

tap_set_state(tap_get_end_state());
}

void opendous_path_move(int num_states, tap_state_t *path)
{
int i;

for (i = 0; i < num_states; i++) {
if (path[i] == tap_state_transition(tap_get_state(), false))
opendous_tap_append_step(0, 0);
else if (path[i] == tap_state_transition(tap_get_state(), true))
opendous_tap_append_step(1, 0);
else {
LOG_ERROR("BUG: %s -> %s isn't a valid TAP transition",
tap_state_name(tap_get_state()), tap_state_name(path[i]));
exit(-1);
}

tap_set_state(path[i]);
}

tap_set_end_state(tap_get_state());
}

void opendous_runtest(int num_cycles)
{
int i;

tap_state_t saved_end_state = tap_get_end_state();

/* only do a state_move when we're not already in IDLE */
if (tap_get_state() != TAP_IDLE) {
opendous_end_state(TAP_IDLE);
opendous_state_move();
}

/* execute num_cycles */
for (i = 0; i < num_cycles; i++)
opendous_tap_append_step(0, 0);

/* finish in end_state */
opendous_end_state(saved_end_state);
if (tap_get_state() != tap_get_end_state())
opendous_state_move();
}

void opendous_scan(int ir_scan, enum scan_type type, uint8_t *buffer, int scan_size, struct scan_command *command)
{
tap_state_t saved_end_state;

opendous_tap_ensure_space(1, scan_size + 8);

saved_end_state = tap_get_end_state();

/* Move to appropriate scan state */
opendous_end_state(ir_scan ? TAP_IRSHIFT : TAP_DRSHIFT);

opendous_state_move();
opendous_end_state(saved_end_state);

/* Scan */
opendous_tap_append_scan(scan_size, buffer, command);

/* We are in Exit1, go to Pause */
opendous_tap_append_step(0, 0);

tap_set_state(ir_scan ? TAP_IRPAUSE : TAP_DRPAUSE);

if (tap_get_state() != tap_get_end_state())
opendous_state_move();
}

void opendous_reset(int trst, int srst)
{
LOG_DEBUG("trst: %i, srst: %i", trst, srst);

/* Signals are active low */
#if 0
if (srst == 0)
opendous_simple_command(JTAG_CMD_SET_SRST, 1);
else if (srst == 1)
opendous_simple_command(JTAG_CMD_SET_SRST, 0);

if (trst == 0)
opendous_simple_command(JTAG_CMD_SET_TRST, 1);
else if (trst == 1)
opendous_simple_command(JTAG_CMD_SET_TRST, 0);
#endif

srst = srst ? 0 : 1;
trst = trst ? 0 : 2;
opendous_simple_command(JTAG_CMD_SET_SRST_TRST, srst | trst);
}

void opendous_simple_command(uint8_t command, uint8_t _data)
{
int result;

DEBUG_JTAG_IO("0x%02x 0x%02x", command, _data);

usb_out_buffer[0] = (uint16_t) 2;
usb_out_buffer[2] = command;
usb_out_buffer[3] = _data;

result = opendous_usb_message(opendous_jtag_handle, 4, 1);
if (result != 1)
LOG_ERROR("opendous command 0x%02x failed (%d)", command, result);
}

int opendous_get_status(void)
{
return ERROR_OK;
}

int opendous_get_version_info(void)
{
return ERROR_OK;
}

/***************************************************************************/
/* Estick tap functions */

static int tap_length;
static uint8_t tms_buffer[OPENDOUS_TAP_BUFFER_SIZE];
static uint8_t tdo_buffer[OPENDOUS_TAP_BUFFER_SIZE];

struct pending_scan_result {
int first; /* First bit position in tdo_buffer to read */
int length; /* Number of bits to read */
struct scan_command *command; /* Corresponding scan command */
uint8_t *buffer;
};

static int pending_scan_results_length;
static struct pending_scan_result pending_scan_results_buffer[MAX_PENDING_SCAN_RESULTS];

static int last_tms;

void opendous_tap_init(void)
{
tap_length = 0;
pending_scan_results_length = 0;
}

void opendous_tap_ensure_space(int scans, int bits)
{
int available_scans = MAX_PENDING_SCAN_RESULTS - pending_scan_results_length;

if (scans > available_scans)
opendous_tap_execute();
}

void opendous_tap_append_step(int tms, int tdi)
{
last_tms = tms;
unsigned char _tms = tms ? 1 : 0;
unsigned char _tdi = tdi ? 1 : 0;

int tap_index = tap_length / 4;
int bits = (tap_length % 4) * 2;

if (tap_length < OPENDOUS_TAP_BUFFER_SIZE) {
if (!bits)
tms_buffer[tap_index] = 0;

tms_buffer[tap_index] |= (_tdi << bits)|(_tms << (bits + 1)) ;
tap_length++;
} else
LOG_ERROR("opendous_tap_append_step, overflow");
}

void opendous_tap_append_scan(int length, uint8_t *buffer, struct scan_command *command)
{
DEBUG_JTAG_IO("append scan, length = %d", length);

struct pending_scan_result *pending_scan_result = &pending_scan_results_buffer[pending_scan_results_length];
int i;

pending_scan_result->first = tap_length;
pending_scan_result->length = length;
pending_scan_result->command = command;
pending_scan_result->buffer = buffer;

for (i = 0; i < length; i++)
opendous_tap_append_step((i < length-1 ? 0 : 1), (buffer[i / 8] >> (i % 8)) & 1);
pending_scan_results_length++;
}

/* Pad and send a tap sequence to the device, and receive the answer.
* For the purpose of padding we assume that we are in idle or pause state. */
int opendous_tap_execute(void)
{
int byte_length, byte_length_out;
int i, j;
int result;
int output_counter;

if (tap_length > 0) {

/* memset(tdo_buffer,0,OPENDOUS_TAP_BUFFER_SIZE); */
/* LOG_INFO("OPENDOUS tap execute %d",tap_length); */
byte_length = (tap_length + 3) / 4;
byte_length_out = (tap_length + 7) / 8;

#ifdef _DEBUG_USB_COMMS_
LOG_DEBUG("opendous is sending %d bytes", byte_length);
#endif

output_counter = 0;
for (j = 0, i = 0; j < byte_length;) {

int recieve;
int transmit = byte_length - j;
if (transmit > OPENDOUS_MAX_TAP_TRANSMIT) {
transmit = OPENDOUS_MAX_TAP_TRANSMIT;
recieve = (OPENDOUS_MAX_TAP_TRANSMIT) / 2;
usb_out_buffer[2] = JTAG_CMD_TAP_OUTPUT;
} else {
usb_out_buffer[2] = JTAG_CMD_TAP_OUTPUT | ((tap_length % 4) << 4);
recieve = (transmit + 1) / 2;
}
usb_out_buffer[0] = (transmit + 1) & 0xff;
usb_out_buffer[1] = ((transmit + 1) >> 8) & 0xff;

memmove(usb_out_buffer + 3, tms_buffer + j, transmit);
result = opendous_usb_message(opendous_jtag_handle, 3 + transmit, recieve);
if (result != recieve) {
LOG_ERROR("opendous_tap_execute, wrong result %d, expected %d", result, recieve);
return ERROR_JTAG_QUEUE_FAILED;
}

memmove(tdo_buffer + i, usb_in_buffer, recieve);
i += recieve;
j += transmit;
}

result = byte_length_out;
#ifdef _DEBUG_USB_COMMS_
LOG_DEBUG("opendous tap result %d", result);
opendous_debug_buffer(tdo_buffer, result);
#endif

/* LOG_INFO("eStick tap execute %d",tap_length); */
for (i = 0; i < pending_scan_results_length; i++) {

struct pending_scan_result *pending_scan_result = &pending_scan_results_buffer[i];
uint8_t *buffer = pending_scan_result->buffer;
int length = pending_scan_result->length;
int first = pending_scan_result->first;
struct scan_command *command = pending_scan_result->command;

/* Copy to buffer */
buf_set_buf(tdo_buffer, first, buffer, 0, length);

DEBUG_JTAG_IO("pending scan result, length = %d", length);

#ifdef _DEBUG_USB_COMMS_
opendous_debug_buffer(buffer, byte_length_out);
#endif

if (jtag_read_buffer(buffer, command) != ERROR_OK) {
opendous_tap_init();
return ERROR_JTAG_QUEUE_FAILED;
}

if (pending_scan_result->buffer != NULL)
free(pending_scan_result->buffer);
}

opendous_tap_init();
}

return ERROR_OK;
}

/*****************************************************************************/
/* Estick USB low-level functions */

struct opendous_jtag *opendous_usb_open(void)
{
struct opendous_jtag *result;

struct jtag_libusb_device_handle *devh;
if (jtag_libusb_open(vids, pids, &devh) != ERROR_OK)
return NULL;

jtag_libusb_set_configuration(devh, 0);
jtag_libusb_claim_interface(devh, 0);

result = (struct opendous_jtag *) malloc(sizeof(struct opendous_jtag));
result->usb_handle = devh;
return result;
}

void opendous_usb_close(struct opendous_jtag *opendous_jtag)
{
jtag_libusb_close(opendous_jtag->usb_handle);
free(opendous_jtag);
}

/* Send a message and receive the reply. */
int opendous_usb_message(struct opendous_jtag *opendous_jtag, int out_length, int in_length)
{
int result;

result = opendous_usb_write(opendous_jtag, out_length);
if (result == out_length) {
result = opendous_usb_read(opendous_jtag);
if (result == in_length)
return result;
else {
LOG_ERROR("usb_bulk_read failed (requested=%d, result=%d)", in_length, result);
return -1;
}
} else {
LOG_ERROR("usb_bulk_write failed (requested=%d, result=%d)", out_length, result);
return -1;
}
}

/* Write data from out_buffer to USB. */
int opendous_usb_write(struct opendous_jtag *opendous_jtag, int out_length)
{
int result;

if (out_length > OPENDOUS_OUT_BUFFER_SIZE) {
LOG_ERROR("opendous_jtag_write illegal out_length=%d (max=%d)", out_length, OPENDOUS_OUT_BUFFER_SIZE);
return -1;
}

#ifdef _DEBUG_USB_COMMS_
LOG_DEBUG("%s: USB write begin", opendous_get_time(time_str));
#endif
result = jtag_libusb_bulk_write(opendous_jtag->usb_handle, OPENDOUS_WRITE_ENDPOINT, \
(char *)usb_out_buffer, out_length, OPENDOUS_USB_TIMEOUT);
#ifdef _DEBUG_USB_COMMS_
LOG_DEBUG("%s: USB write end: %d bytes", opendous_get_time(time_str), result);
#endif

DEBUG_JTAG_IO("opendous_usb_write, out_length = %d, result = %d", out_length, result);

#ifdef _DEBUG_USB_COMMS_
opendous_debug_buffer(usb_out_buffer, out_length);
#endif
return result;
}

/* Read data from USB into in_buffer. */
int opendous_usb_read(struct opendous_jtag *opendous_jtag)
{
#ifdef _DEBUG_USB_COMMS_
LOG_DEBUG("%s: USB read begin", opendous_get_time(time_str));
#endif
int result = jtag_libusb_bulk_read(opendous_jtag->usb_handle, OPENDOUS_READ_ENDPOINT,
(char *)usb_in_buffer, OPENDOUS_IN_BUFFER_SIZE, OPENDOUS_USB_TIMEOUT);
#ifdef _DEBUG_USB_COMMS_
LOG_DEBUG("%s: USB read end: %d bytes", opendous_get_time(time_str), result);
#endif
DEBUG_JTAG_IO("opendous_usb_read, result = %d", result);

#ifdef _DEBUG_USB_COMMS_
opendous_debug_buffer(usb_in_buffer, result);
#endif
return result;
}

#ifdef _DEBUG_USB_COMMS_
#define BYTES_PER_LINE 16

void opendous_debug_buffer(uint8_t *buffer, int length)
{
char line[81];
char s[4];
int i;
int j;

for (i = 0; i < length; i += BYTES_PER_LINE) {
snprintf(line, 5, "%04x", i);
for (j = i; j < i + BYTES_PER_LINE && j < length; j++) {
snprintf(s, 4, " %02x", buffer[j]);
strcat(line, s);
}
LOG_DEBUG("%s", line);
}
}

char *opendous_get_time(char *str)
{
struct timeb timebuffer;
char *timeline;

ftime(&timebuffer);
timeline = ctime(&(timebuffer.time));
snprintf(str, 49, "%.8s.%hu", &timeline[11], timebuffer.millitm);
return str;
}
#endif

+ 6
- 0
src/jtag/interfaces.c View File

@@ -107,6 +107,9 @@ extern struct jtag_interface stlink_interface;
#if BUILD_OSBDM == 1
extern struct jtag_interface osbdm_interface;
#endif
#if BUILD_OPENDOUS == 1
extern struct jtag_interface opendous_interface;
#endif
#endif /* standard drivers */

/**
@@ -182,6 +185,9 @@ struct jtag_interface *jtag_interfaces[] = {
#if BUILD_OSBDM == 1
&osbdm_interface,
#endif
#if BUILD_OPENDOUS == 1
&opendous_interface,
#endif
#endif /* standard drivers */
NULL,
};


+ 7
- 0
tcl/interface/estick.cfg View File

@@ -0,0 +1,7 @@
#
# eStick
#
# http://code.google.com/p/estick-jtag/
#

interface opendous

+ 7
- 0
tcl/interface/opendous.cfg View File

@@ -0,0 +1,7 @@
#
# opendous-jtag
#
# http://code.google.com/p/opendous-jtag/
#

interface opendous

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