--- /dev/null
+/***************************************************************************
+ * *
+ * 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
projects / openocd / commitdiff