#include <transport/transport.h>
#include <target/target.h>
#include <jtag/aice/aice_transport.h>
-#include <jtag/drivers/libusb_common.h>
#include "aice_usb.h"
#define AICE_KHZ_TO_SPEED_MAP_SIZE 16
#include "config.h"
#endif
-#include <jtag/drivers/libusb_common.h>
+#include <jtag/drivers/libusb_helper.h>
#include <helper/log.h>
#include <helper/time_support.h>
#include <target/target.h>
DRIVERFILES += %D%/jtag_usb_common.c
if USE_LIBUSB1
-DRIVERFILES += %D%/libusb1_common.c
+DRIVERFILES += %D%/libusb_helper.c
%C%_libocdjtagdrivers_la_CPPFLAGS += $(LIBUSB1_CFLAGS)
%C%_libocdjtagdrivers_la_LIBADD += $(LIBUSB1_LIBS)
endif
%D%/bitbang.h \
%D%/bitq.h \
%D%/jtag_usb_common.h \
- %D%/libusb1_common.h \
- %D%/libusb_common.h \
+ %D%/libusb_helper.h \
%D%/minidriver_imp.h \
%D%/mpsse.h \
%D%/rlink.h \
#include <jtag/interface.h>
#include <jtag/commands.h>
#include <helper/time_support.h>
-#include "libusb1_common.h"
+#include "libusb_helper.h"
/* system includes */
#include <string.h>
#include <jtag/swd.h>
#include <jtag/commands.h>
-#include "libusb_common.h"
+#include "libusb_helper.h"
#define VID 0x04b4
#define PID 0xf139
+++ /dev/null
-/***************************************************************************
- * Copyright (C) 2009 by Zachary T Welch <zw@superlucidity.net> *
- * *
- * Copyright (C) 2011 by Mauro Gamba <maurillo71@gmail.com> *
- * *
- * 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, see <http://www.gnu.org/licenses/>. *
- ***************************************************************************/
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-#include <jtag/drivers/jtag_usb_common.h>
-#include "libusb1_common.h"
-#include "log.h"
-
-/*
- * comment from libusb:
- * As per the USB 3.0 specs, the current maximum limit for the depth is 7.
- */
-#define MAX_USB_PORTS 7
-
-static struct libusb_context *jtag_libusb_context; /**< Libusb context **/
-static libusb_device **devs; /**< The usb device list **/
-
-static int jtag_libusb_error(int err)
-{
- switch (err) {
- case LIBUSB_SUCCESS:
- return ERROR_OK;
- case LIBUSB_ERROR_TIMEOUT:
- return ERROR_TIMEOUT_REACHED;
- case LIBUSB_ERROR_IO:
- case LIBUSB_ERROR_INVALID_PARAM:
- case LIBUSB_ERROR_ACCESS:
- case LIBUSB_ERROR_NO_DEVICE:
- case LIBUSB_ERROR_NOT_FOUND:
- case LIBUSB_ERROR_BUSY:
- case LIBUSB_ERROR_OVERFLOW:
- case LIBUSB_ERROR_PIPE:
- case LIBUSB_ERROR_INTERRUPTED:
- case LIBUSB_ERROR_NO_MEM:
- case LIBUSB_ERROR_NOT_SUPPORTED:
- case LIBUSB_ERROR_OTHER:
- return ERROR_FAIL;
- default:
- return ERROR_FAIL;
- }
-}
-
-static bool jtag_libusb_match(struct libusb_device_descriptor *dev_desc,
- const uint16_t vids[], const uint16_t pids[])
-{
- for (unsigned i = 0; vids[i]; i++) {
- if (dev_desc->idVendor == vids[i] &&
- dev_desc->idProduct == pids[i]) {
- return true;
- }
- }
- return false;
-}
-
-#ifdef HAVE_LIBUSB_GET_PORT_NUMBERS
-static bool jtag_libusb_location_equal(libusb_device *device)
-{
- uint8_t port_path[MAX_USB_PORTS];
- uint8_t dev_bus;
- int path_len;
-
- path_len = libusb_get_port_numbers(device, port_path, MAX_USB_PORTS);
- if (path_len == LIBUSB_ERROR_OVERFLOW) {
- LOG_WARNING("cannot determine path to usb device! (more than %i ports in path)\n",
- MAX_USB_PORTS);
- return false;
- }
- dev_bus = libusb_get_bus_number(device);
-
- return jtag_usb_location_equal(dev_bus, port_path, path_len);
-}
-#else /* HAVE_LIBUSB_GET_PORT_NUMBERS */
-static bool jtag_libusb_location_equal(libusb_device *device)
-{
- return true;
-}
-#endif /* HAVE_LIBUSB_GET_PORT_NUMBERS */
-
-
-/* Returns true if the string descriptor indexed by str_index in device matches string */
-static bool string_descriptor_equal(libusb_device_handle *device, uint8_t str_index,
- const char *string)
-{
- int retval;
- bool matched;
- char desc_string[256+1]; /* Max size of string descriptor */
-
- if (str_index == 0)
- return false;
-
- retval = libusb_get_string_descriptor_ascii(device, str_index,
- (unsigned char *)desc_string, sizeof(desc_string)-1);
- if (retval < 0) {
- LOG_ERROR("libusb_get_string_descriptor_ascii() failed with %d", retval);
- return false;
- }
-
- /* Null terminate descriptor string in case it needs to be logged. */
- desc_string[sizeof(desc_string)-1] = '\0';
-
- matched = strncmp(string, desc_string, sizeof(desc_string)) == 0;
- if (!matched)
- LOG_DEBUG("Device serial number '%s' doesn't match requested serial '%s'",
- desc_string, string);
- return matched;
-}
-
-int jtag_libusb_open(const uint16_t vids[], const uint16_t pids[],
- const char *serial,
- struct libusb_device_handle **out)
-{
- int cnt, idx, errCode;
- int retval = ERROR_FAIL;
- bool serial_mismatch = false;
- struct libusb_device_handle *libusb_handle = NULL;
-
- if (libusb_init(&jtag_libusb_context) < 0)
- return ERROR_FAIL;
-
- cnt = libusb_get_device_list(jtag_libusb_context, &devs);
-
- for (idx = 0; idx < cnt; idx++) {
- struct libusb_device_descriptor dev_desc;
-
- if (libusb_get_device_descriptor(devs[idx], &dev_desc) != 0)
- continue;
-
- if (!jtag_libusb_match(&dev_desc, vids, pids))
- continue;
-
- if (jtag_usb_get_location() && !jtag_libusb_location_equal(devs[idx]))
- continue;
-
- errCode = libusb_open(devs[idx], &libusb_handle);
-
- if (errCode) {
- LOG_ERROR("libusb_open() failed with %s",
- libusb_error_name(errCode));
- continue;
- }
-
- /* Device must be open to use libusb_get_string_descriptor_ascii. */
- if (serial != NULL &&
- !string_descriptor_equal(libusb_handle, dev_desc.iSerialNumber, serial)) {
- serial_mismatch = true;
- libusb_close(libusb_handle);
- continue;
- }
-
- /* Success. */
- *out = libusb_handle;
- retval = ERROR_OK;
- serial_mismatch = false;
- break;
- }
- if (cnt >= 0)
- libusb_free_device_list(devs, 1);
-
- if (serial_mismatch)
- LOG_INFO("No device matches the serial string");
-
- return retval;
-}
-
-void jtag_libusb_close(struct libusb_device_handle *dev)
-{
- /* Close device */
- libusb_close(dev);
-
- libusb_exit(jtag_libusb_context);
-}
-
-int jtag_libusb_control_transfer(struct libusb_device_handle *dev, uint8_t requestType,
- uint8_t request, uint16_t wValue, uint16_t wIndex, char *bytes,
- uint16_t size, unsigned int timeout)
-{
- int transferred = 0;
-
- transferred = libusb_control_transfer(dev, requestType, request, wValue, wIndex,
- (unsigned char *)bytes, size, timeout);
-
- if (transferred < 0)
- transferred = 0;
-
- return transferred;
-}
-
-int jtag_libusb_bulk_write(struct libusb_device_handle *dev, int ep, char *bytes,
- int size, int timeout, int *transferred)
-{
- int ret;
-
- *transferred = 0;
-
- ret = libusb_bulk_transfer(dev, ep, (unsigned char *)bytes, size,
- transferred, timeout);
- if (ret != LIBUSB_SUCCESS) {
- LOG_ERROR("libusb_bulk_write error: %s", libusb_error_name(ret));
- return jtag_libusb_error(ret);
- }
-
- return ERROR_OK;
-}
-
-int jtag_libusb_bulk_read(struct libusb_device_handle *dev, int ep, char *bytes,
- int size, int timeout, int *transferred)
-{
- int ret;
-
- *transferred = 0;
-
- ret = libusb_bulk_transfer(dev, ep, (unsigned char *)bytes, size,
- transferred, timeout);
- if (ret != LIBUSB_SUCCESS) {
- LOG_ERROR("libusb_bulk_read error: %s", libusb_error_name(ret));
- return jtag_libusb_error(ret);
- }
-
- return ERROR_OK;
-}
-
-int jtag_libusb_set_configuration(struct libusb_device_handle *devh,
- int configuration)
-{
- struct libusb_device *udev = libusb_get_device(devh);
- int retCode = -99;
-
- struct libusb_config_descriptor *config = NULL;
- int current_config = -1;
-
- retCode = libusb_get_configuration(devh, ¤t_config);
- if (retCode != 0)
- return retCode;
-
- retCode = libusb_get_config_descriptor(udev, configuration, &config);
- if (retCode != 0 || config == NULL)
- return retCode;
-
- /* Only change the configuration if it is not already set to the
- same one. Otherwise this issues a lightweight reset and hangs
- LPC-Link2 with JLink firmware. */
- if (current_config != config->bConfigurationValue)
- retCode = libusb_set_configuration(devh, config->bConfigurationValue);
-
- libusb_free_config_descriptor(config);
-
- return retCode;
-}
-
-int jtag_libusb_choose_interface(struct libusb_device_handle *devh,
- unsigned int *usb_read_ep,
- unsigned int *usb_write_ep,
- int bclass, int subclass, int protocol, int trans_type)
-{
- struct libusb_device *udev = libusb_get_device(devh);
- const struct libusb_interface *inter;
- const struct libusb_interface_descriptor *interdesc;
- const struct libusb_endpoint_descriptor *epdesc;
- struct libusb_config_descriptor *config;
-
- *usb_read_ep = *usb_write_ep = 0;
-
- libusb_get_config_descriptor(udev, 0, &config);
- for (int i = 0; i < (int)config->bNumInterfaces; i++) {
- inter = &config->interface[i];
-
- interdesc = &inter->altsetting[0];
- for (int k = 0;
- k < (int)interdesc->bNumEndpoints; k++) {
- if ((bclass > 0 && interdesc->bInterfaceClass != bclass) ||
- (subclass > 0 && interdesc->bInterfaceSubClass != subclass) ||
- (protocol > 0 && interdesc->bInterfaceProtocol != protocol))
- continue;
-
- epdesc = &interdesc->endpoint[k];
- if (trans_type > 0 && (epdesc->bmAttributes & 0x3) != trans_type)
- continue;
-
- uint8_t epnum = epdesc->bEndpointAddress;
- bool is_input = epnum & 0x80;
- LOG_DEBUG("usb ep %s %02x",
- is_input ? "in" : "out", epnum);
-
- if (is_input)
- *usb_read_ep = epnum;
- else
- *usb_write_ep = epnum;
-
- if (*usb_read_ep && *usb_write_ep) {
- LOG_DEBUG("Claiming interface %d", (int)interdesc->bInterfaceNumber);
- libusb_claim_interface(devh, (int)interdesc->bInterfaceNumber);
- libusb_free_config_descriptor(config);
- return ERROR_OK;
- }
- }
- }
- libusb_free_config_descriptor(config);
-
- return ERROR_FAIL;
-}
-
-int jtag_libusb_get_pid(struct libusb_device *dev, uint16_t *pid)
-{
- struct libusb_device_descriptor dev_desc;
-
- if (libusb_get_device_descriptor(dev, &dev_desc) == 0) {
- *pid = dev_desc.idProduct;
-
- return ERROR_OK;
- }
-
- return ERROR_FAIL;
-}
+++ /dev/null
-/***************************************************************************
- * Copyright (C) 2009 by Zachary T Welch <zw@superlucidity.net> *
- * *
- * Copyright (C) 2011 by Mauro Gamba <maurillo71@gmail.com> *
- * *
- * 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, see <http://www.gnu.org/licenses/>. *
- ***************************************************************************/
-
-#ifndef OPENOCD_JTAG_DRIVERS_LIBUSB1_COMMON_H
-#define OPENOCD_JTAG_DRIVERS_LIBUSB1_COMMON_H
-
-#include <libusb.h>
-
-int jtag_libusb_open(const uint16_t vids[], const uint16_t pids[],
- const char *serial,
- struct libusb_device_handle **out);
-void jtag_libusb_close(struct libusb_device_handle *dev);
-int jtag_libusb_control_transfer(struct libusb_device_handle *dev,
- uint8_t requestType, uint8_t request, uint16_t wValue,
- uint16_t wIndex, char *bytes, uint16_t size, unsigned int timeout);
-int jtag_libusb_bulk_write(struct libusb_device_handle *dev, int ep,
- char *bytes, int size, int timeout, int *transferred);
-int jtag_libusb_bulk_read(struct libusb_device_handle *dev, int ep,
- char *bytes, int size, int timeout, int *transferred);
-int jtag_libusb_set_configuration(struct libusb_device_handle *devh,
- int configuration);
-/**
- * Find the first interface optionally matching class, subclass and
- * protocol and claim it.
- * @param devh _libusb_ device handle.
- * @param usb_read_ep A pointer to a variable where the _IN_ endpoint
- * number will be stored.
- * @param usb_write_ep A pointer to a variable where the _OUT_ endpoint
- * number will be stored.
- * @param bclass `bInterfaceClass` to match, or -1 to ignore this field.
- * @param subclass `bInterfaceSubClass` to match, or -1 to ignore this field.
- * @param protocol `bInterfaceProtocol` to match, or -1 to ignore this field.
- * @param trans_type `bmAttributes Bits 0..1 Transfer type` to match, or -1 to ignore this field.
- * @returns Returns ERROR_OK on success, ERROR_FAIL otherwise.
- */
-int jtag_libusb_choose_interface(struct libusb_device_handle *devh,
- unsigned int *usb_read_ep,
- unsigned int *usb_write_ep,
- int bclass, int subclass, int protocol, int trans_type);
-int jtag_libusb_get_pid(struct libusb_device *dev, uint16_t *pid);
-
-#endif /* OPENOCD_JTAG_DRIVERS_LIBUSB1_COMMON_H */
+++ /dev/null
-/***************************************************************************
- * Copyright (C) 2011 by Mauro Gamba <maurillo71@gmail.com> *
- * *
- * 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, see <http://www.gnu.org/licenses/>. *
- ***************************************************************************/
-
-#ifndef OPENOCD_JTAG_DRIVERS_LIBUSB_COMMON_H
-#define OPENOCD_JTAG_DRIVERS_LIBUSB_COMMON_H
-
-#ifdef HAVE_LIBUSB1
-#include "libusb1_common.h"
-#endif
-
-#endif /* OPENOCD_JTAG_DRIVERS_LIBUSB_COMMON_H */
--- /dev/null
+/***************************************************************************
+ * Copyright (C) 2009 by Zachary T Welch <zw@superlucidity.net> *
+ * *
+ * Copyright (C) 2011 by Mauro Gamba <maurillo71@gmail.com> *
+ * *
+ * 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, see <http://www.gnu.org/licenses/>. *
+ ***************************************************************************/
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+#include <jtag/drivers/jtag_usb_common.h>
+#include "libusb_helper.h"
+#include "log.h"
+
+/*
+ * comment from libusb:
+ * As per the USB 3.0 specs, the current maximum limit for the depth is 7.
+ */
+#define MAX_USB_PORTS 7
+
+static struct libusb_context *jtag_libusb_context; /**< Libusb context **/
+static libusb_device **devs; /**< The usb device list **/
+
+static int jtag_libusb_error(int err)
+{
+ switch (err) {
+ case LIBUSB_SUCCESS:
+ return ERROR_OK;
+ case LIBUSB_ERROR_TIMEOUT:
+ return ERROR_TIMEOUT_REACHED;
+ case LIBUSB_ERROR_IO:
+ case LIBUSB_ERROR_INVALID_PARAM:
+ case LIBUSB_ERROR_ACCESS:
+ case LIBUSB_ERROR_NO_DEVICE:
+ case LIBUSB_ERROR_NOT_FOUND:
+ case LIBUSB_ERROR_BUSY:
+ case LIBUSB_ERROR_OVERFLOW:
+ case LIBUSB_ERROR_PIPE:
+ case LIBUSB_ERROR_INTERRUPTED:
+ case LIBUSB_ERROR_NO_MEM:
+ case LIBUSB_ERROR_NOT_SUPPORTED:
+ case LIBUSB_ERROR_OTHER:
+ return ERROR_FAIL;
+ default:
+ return ERROR_FAIL;
+ }
+}
+
+static bool jtag_libusb_match(struct libusb_device_descriptor *dev_desc,
+ const uint16_t vids[], const uint16_t pids[])
+{
+ for (unsigned i = 0; vids[i]; i++) {
+ if (dev_desc->idVendor == vids[i] &&
+ dev_desc->idProduct == pids[i]) {
+ return true;
+ }
+ }
+ return false;
+}
+
+#ifdef HAVE_LIBUSB_GET_PORT_NUMBERS
+static bool jtag_libusb_location_equal(libusb_device *device)
+{
+ uint8_t port_path[MAX_USB_PORTS];
+ uint8_t dev_bus;
+ int path_len;
+
+ path_len = libusb_get_port_numbers(device, port_path, MAX_USB_PORTS);
+ if (path_len == LIBUSB_ERROR_OVERFLOW) {
+ LOG_WARNING("cannot determine path to usb device! (more than %i ports in path)\n",
+ MAX_USB_PORTS);
+ return false;
+ }
+ dev_bus = libusb_get_bus_number(device);
+
+ return jtag_usb_location_equal(dev_bus, port_path, path_len);
+}
+#else /* HAVE_LIBUSB_GET_PORT_NUMBERS */
+static bool jtag_libusb_location_equal(libusb_device *device)
+{
+ return true;
+}
+#endif /* HAVE_LIBUSB_GET_PORT_NUMBERS */
+
+
+/* Returns true if the string descriptor indexed by str_index in device matches string */
+static bool string_descriptor_equal(libusb_device_handle *device, uint8_t str_index,
+ const char *string)
+{
+ int retval;
+ bool matched;
+ char desc_string[256+1]; /* Max size of string descriptor */
+
+ if (str_index == 0)
+ return false;
+
+ retval = libusb_get_string_descriptor_ascii(device, str_index,
+ (unsigned char *)desc_string, sizeof(desc_string)-1);
+ if (retval < 0) {
+ LOG_ERROR("libusb_get_string_descriptor_ascii() failed with %d", retval);
+ return false;
+ }
+
+ /* Null terminate descriptor string in case it needs to be logged. */
+ desc_string[sizeof(desc_string)-1] = '\0';
+
+ matched = strncmp(string, desc_string, sizeof(desc_string)) == 0;
+ if (!matched)
+ LOG_DEBUG("Device serial number '%s' doesn't match requested serial '%s'",
+ desc_string, string);
+ return matched;
+}
+
+int jtag_libusb_open(const uint16_t vids[], const uint16_t pids[],
+ const char *serial,
+ struct libusb_device_handle **out)
+{
+ int cnt, idx, errCode;
+ int retval = ERROR_FAIL;
+ bool serial_mismatch = false;
+ struct libusb_device_handle *libusb_handle = NULL;
+
+ if (libusb_init(&jtag_libusb_context) < 0)
+ return ERROR_FAIL;
+
+ cnt = libusb_get_device_list(jtag_libusb_context, &devs);
+
+ for (idx = 0; idx < cnt; idx++) {
+ struct libusb_device_descriptor dev_desc;
+
+ if (libusb_get_device_descriptor(devs[idx], &dev_desc) != 0)
+ continue;
+
+ if (!jtag_libusb_match(&dev_desc, vids, pids))
+ continue;
+
+ if (jtag_usb_get_location() && !jtag_libusb_location_equal(devs[idx]))
+ continue;
+
+ errCode = libusb_open(devs[idx], &libusb_handle);
+
+ if (errCode) {
+ LOG_ERROR("libusb_open() failed with %s",
+ libusb_error_name(errCode));
+ continue;
+ }
+
+ /* Device must be open to use libusb_get_string_descriptor_ascii. */
+ if (serial != NULL &&
+ !string_descriptor_equal(libusb_handle, dev_desc.iSerialNumber, serial)) {
+ serial_mismatch = true;
+ libusb_close(libusb_handle);
+ continue;
+ }
+
+ /* Success. */
+ *out = libusb_handle;
+ retval = ERROR_OK;
+ serial_mismatch = false;
+ break;
+ }
+ if (cnt >= 0)
+ libusb_free_device_list(devs, 1);
+
+ if (serial_mismatch)
+ LOG_INFO("No device matches the serial string");
+
+ return retval;
+}
+
+void jtag_libusb_close(struct libusb_device_handle *dev)
+{
+ /* Close device */
+ libusb_close(dev);
+
+ libusb_exit(jtag_libusb_context);
+}
+
+int jtag_libusb_control_transfer(struct libusb_device_handle *dev, uint8_t requestType,
+ uint8_t request, uint16_t wValue, uint16_t wIndex, char *bytes,
+ uint16_t size, unsigned int timeout)
+{
+ int transferred = 0;
+
+ transferred = libusb_control_transfer(dev, requestType, request, wValue, wIndex,
+ (unsigned char *)bytes, size, timeout);
+
+ if (transferred < 0)
+ transferred = 0;
+
+ return transferred;
+}
+
+int jtag_libusb_bulk_write(struct libusb_device_handle *dev, int ep, char *bytes,
+ int size, int timeout, int *transferred)
+{
+ int ret;
+
+ *transferred = 0;
+
+ ret = libusb_bulk_transfer(dev, ep, (unsigned char *)bytes, size,
+ transferred, timeout);
+ if (ret != LIBUSB_SUCCESS) {
+ LOG_ERROR("libusb_bulk_write error: %s", libusb_error_name(ret));
+ return jtag_libusb_error(ret);
+ }
+
+ return ERROR_OK;
+}
+
+int jtag_libusb_bulk_read(struct libusb_device_handle *dev, int ep, char *bytes,
+ int size, int timeout, int *transferred)
+{
+ int ret;
+
+ *transferred = 0;
+
+ ret = libusb_bulk_transfer(dev, ep, (unsigned char *)bytes, size,
+ transferred, timeout);
+ if (ret != LIBUSB_SUCCESS) {
+ LOG_ERROR("libusb_bulk_read error: %s", libusb_error_name(ret));
+ return jtag_libusb_error(ret);
+ }
+
+ return ERROR_OK;
+}
+
+int jtag_libusb_set_configuration(struct libusb_device_handle *devh,
+ int configuration)
+{
+ struct libusb_device *udev = libusb_get_device(devh);
+ int retCode = -99;
+
+ struct libusb_config_descriptor *config = NULL;
+ int current_config = -1;
+
+ retCode = libusb_get_configuration(devh, ¤t_config);
+ if (retCode != 0)
+ return retCode;
+
+ retCode = libusb_get_config_descriptor(udev, configuration, &config);
+ if (retCode != 0 || config == NULL)
+ return retCode;
+
+ /* Only change the configuration if it is not already set to the
+ same one. Otherwise this issues a lightweight reset and hangs
+ LPC-Link2 with JLink firmware. */
+ if (current_config != config->bConfigurationValue)
+ retCode = libusb_set_configuration(devh, config->bConfigurationValue);
+
+ libusb_free_config_descriptor(config);
+
+ return retCode;
+}
+
+int jtag_libusb_choose_interface(struct libusb_device_handle *devh,
+ unsigned int *usb_read_ep,
+ unsigned int *usb_write_ep,
+ int bclass, int subclass, int protocol, int trans_type)
+{
+ struct libusb_device *udev = libusb_get_device(devh);
+ const struct libusb_interface *inter;
+ const struct libusb_interface_descriptor *interdesc;
+ const struct libusb_endpoint_descriptor *epdesc;
+ struct libusb_config_descriptor *config;
+
+ *usb_read_ep = *usb_write_ep = 0;
+
+ libusb_get_config_descriptor(udev, 0, &config);
+ for (int i = 0; i < (int)config->bNumInterfaces; i++) {
+ inter = &config->interface[i];
+
+ interdesc = &inter->altsetting[0];
+ for (int k = 0;
+ k < (int)interdesc->bNumEndpoints; k++) {
+ if ((bclass > 0 && interdesc->bInterfaceClass != bclass) ||
+ (subclass > 0 && interdesc->bInterfaceSubClass != subclass) ||
+ (protocol > 0 && interdesc->bInterfaceProtocol != protocol))
+ continue;
+
+ epdesc = &interdesc->endpoint[k];
+ if (trans_type > 0 && (epdesc->bmAttributes & 0x3) != trans_type)
+ continue;
+
+ uint8_t epnum = epdesc->bEndpointAddress;
+ bool is_input = epnum & 0x80;
+ LOG_DEBUG("usb ep %s %02x",
+ is_input ? "in" : "out", epnum);
+
+ if (is_input)
+ *usb_read_ep = epnum;
+ else
+ *usb_write_ep = epnum;
+
+ if (*usb_read_ep && *usb_write_ep) {
+ LOG_DEBUG("Claiming interface %d", (int)interdesc->bInterfaceNumber);
+ libusb_claim_interface(devh, (int)interdesc->bInterfaceNumber);
+ libusb_free_config_descriptor(config);
+ return ERROR_OK;
+ }
+ }
+ }
+ libusb_free_config_descriptor(config);
+
+ return ERROR_FAIL;
+}
+
+int jtag_libusb_get_pid(struct libusb_device *dev, uint16_t *pid)
+{
+ struct libusb_device_descriptor dev_desc;
+
+ if (libusb_get_device_descriptor(dev, &dev_desc) == 0) {
+ *pid = dev_desc.idProduct;
+
+ return ERROR_OK;
+ }
+
+ return ERROR_FAIL;
+}
--- /dev/null
+/***************************************************************************
+ * Copyright (C) 2009 by Zachary T Welch <zw@superlucidity.net> *
+ * *
+ * Copyright (C) 2011 by Mauro Gamba <maurillo71@gmail.com> *
+ * *
+ * 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, see <http://www.gnu.org/licenses/>. *
+ ***************************************************************************/
+
+#ifndef OPENOCD_JTAG_DRIVERS_LIBUSB_HELPER_H
+#define OPENOCD_JTAG_DRIVERS_LIBUSB_HELPER_H
+
+#include <libusb.h>
+
+int jtag_libusb_open(const uint16_t vids[], const uint16_t pids[],
+ const char *serial,
+ struct libusb_device_handle **out);
+void jtag_libusb_close(struct libusb_device_handle *dev);
+int jtag_libusb_control_transfer(struct libusb_device_handle *dev,
+ uint8_t requestType, uint8_t request, uint16_t wValue,
+ uint16_t wIndex, char *bytes, uint16_t size, unsigned int timeout);
+int jtag_libusb_bulk_write(struct libusb_device_handle *dev, int ep,
+ char *bytes, int size, int timeout, int *transferred);
+int jtag_libusb_bulk_read(struct libusb_device_handle *dev, int ep,
+ char *bytes, int size, int timeout, int *transferred);
+int jtag_libusb_set_configuration(struct libusb_device_handle *devh,
+ int configuration);
+/**
+ * Find the first interface optionally matching class, subclass and
+ * protocol and claim it.
+ * @param devh _libusb_ device handle.
+ * @param usb_read_ep A pointer to a variable where the _IN_ endpoint
+ * number will be stored.
+ * @param usb_write_ep A pointer to a variable where the _OUT_ endpoint
+ * number will be stored.
+ * @param bclass `bInterfaceClass` to match, or -1 to ignore this field.
+ * @param subclass `bInterfaceSubClass` to match, or -1 to ignore this field.
+ * @param protocol `bInterfaceProtocol` to match, or -1 to ignore this field.
+ * @param trans_type `bmAttributes Bits 0..1 Transfer type` to match, or -1 to ignore this field.
+ * @returns Returns ERROR_OK on success, ERROR_FAIL otherwise.
+ */
+int jtag_libusb_choose_interface(struct libusb_device_handle *devh,
+ unsigned int *usb_read_ep,
+ unsigned int *usb_write_ep,
+ int bclass, int subclass, int protocol, int trans_type);
+int jtag_libusb_get_pid(struct libusb_device *dev, uint16_t *pid);
+
+#endif /* OPENOCD_JTAG_DRIVERS_LIBUSB_HELPER_H */
#include <jtag/interface.h>
#include <jtag/commands.h>
-#include "libusb_common.h"
+#include "libusb_helper.h"
#include <string.h>
#include <time.h>
#include <jtag/interface.h>
#include <jtag/commands.h>
-#include "libusb_common.h"
+#include "libusb_helper.h"
static enum {
OPENJTAG_VARIANT_STANDARD,
#include <helper/binarybuffer.h>
#include <helper/command.h>
#include <jtag/interface.h>
-#include "libusb_common.h"
+#include "libusb_helper.h"
struct sequence {
int len;
#include <target/cortex_m.h>
-#include "libusb_common.h"
+#include "libusb_helper.h"
#ifdef HAVE_LIBUSB1
#define USE_LIBUSB_ASYNCIO
#endif
#include <jtag/interface.h>
#include <jtag/commands.h>
-#include <libusb_common.h>
+#include <libusb_helper.h>
#include <target/image.h>
#include "ublast_access.h"
#ifndef OPENOCD_JTAG_DRIVERS_USB_BLASTER_UBLAST_ACCESS_H
#define OPENOCD_JTAG_DRIVERS_USB_BLASTER_UBLAST_ACCESS_H
-#include <libusb_common.h>
-
/* Low level flags */
#define COPY_TDO_BUFFER (1 << 0)