/***************************************************************************
- * Copyright (C) 2011 by Martin Schmoelzer *
+ * Copyright (C) 2011-2013 by Martin Schmoelzer *
* <martin.schmoelzer@student.tuwien.ac.at> *
* *
* This program is free software; you can redistribute it and/or modify *
* 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. *
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. *
***************************************************************************/
#ifdef HAVE_CONFIG_H
#include <jtag/interface.h>
#include <jtag/commands.h>
#include <target/image.h>
-#include "usb_common.h"
+#include <libusb-1.0/libusb.h>
#include "OpenULINK/include/msgtypes.h"
/** USB Vendor ID of ULINK device in unconfigured state (no firmware loaded
#define ULINK_RENUMERATION_DELAY 1500000
/** Default location of OpenULINK firmware image. */
-#define ULINK_FIRMWARE_FILE PKGLIBDIR "/OpenULINK/ulink_firmware.hex"
+#define ULINK_FIRMWARE_FILE PKGDATADIR "/OpenULINK/ulink_firmware.hex"
/** Maximum size of a single firmware section. Entire EZ-USB code space = 8kB */
#define SECTION_BUFFERSIZE 8192
/** Describes one driver instance */
struct ulink {
- struct usb_dev_handle *usb_handle;
+ struct libusb_context *libusb_ctx;
+ struct libusb_device_handle *usb_device_handle;
enum ulink_type type;
int delay_scan_in; /* /< Delay value for SCAN_IN commands */
int ulink_usb_close(struct ulink **device);
/* ULINK MCU (Cypress EZ-USB) specific functions */
-int ulink_cpu_reset(struct ulink *device, char reset_bit);
+int ulink_cpu_reset(struct ulink *device, unsigned char reset_bit);
int ulink_load_firmware_and_renumerate(struct ulink **device, char *filename,
uint32_t delay);
int ulink_load_firmware(struct ulink *device, char *filename);
/**
* Opens the ULINK device and claims its USB interface.
*
+ * Currently, only the original ULINK is supported
+ *
* @param device pointer to struct ulink identifying ULINK driver instance.
* @return on success: ERROR_OK
* @return on failure: ERROR_FAIL
*/
int ulink_usb_open(struct ulink **device)
{
- int ret;
- struct usb_dev_handle *usb_handle;
+ ssize_t num_devices, i;
+ bool found;
+ libusb_device **usb_devices;
+ struct libusb_device_descriptor usb_desc;
+ struct libusb_device_handle *usb_device_handle;
- /* Currently, only original ULINK is supported */
- uint16_t vids[] = { ULINK_VID, 0 };
- uint16_t pids[] = { ULINK_PID, 0 };
+ num_devices = libusb_get_device_list((*device)->libusb_ctx, &usb_devices);
- ret = jtag_usb_open(vids, pids, &usb_handle);
+ if (num_devices <= 0)
+ return ERROR_FAIL;
- if (ret != ERROR_OK)
- return ret;
+ found = false;
+ for (i = 0; i < num_devices; i++) {
+ if (libusb_get_device_descriptor(usb_devices[i], &usb_desc) != 0)
+ continue;
+ else if (usb_desc.idVendor == ULINK_VID && usb_desc.idProduct == ULINK_PID) {
+ found = true;
+ break;
+ }
+ }
- ret = usb_claim_interface(usb_handle, 0);
+ if (!found)
+ return ERROR_FAIL;
- if (ret != 0)
- return ret;
+ if (libusb_open(usb_devices[i], &usb_device_handle) != 0)
+ return ERROR_FAIL;
+ libusb_free_device_list(usb_devices, 1);
- (*device)->usb_handle = usb_handle;
+ if (libusb_claim_interface(usb_device_handle, 0) != 0)
+ return ERROR_FAIL;
+
+ (*device)->usb_device_handle = usb_device_handle;
(*device)->type = ULINK_1;
return ERROR_OK;
*/
int ulink_usb_close(struct ulink **device)
{
- if (usb_release_interface((*device)->usb_handle, 0) != 0)
+ if (libusb_release_interface((*device)->usb_device_handle, 0) != 0)
return ERROR_FAIL;
- if (usb_close((*device)->usb_handle) != 0)
- return ERROR_FAIL;
+ libusb_close((*device)->usb_device_handle);
- (*device)->usb_handle = NULL;
+ (*device)->usb_device_handle = NULL;
return ERROR_OK;
}
* @return on success: ERROR_OK
* @return on failure: ERROR_FAIL
*/
-int ulink_cpu_reset(struct ulink *device, char reset_bit)
+int ulink_cpu_reset(struct ulink *device, unsigned char reset_bit)
{
int ret;
- ret = usb_control_msg(device->usb_handle,
- (USB_ENDPOINT_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE),
+ ret = libusb_control_transfer(device->usb_device_handle,
+ (LIBUSB_ENDPOINT_OUT | LIBUSB_REQUEST_TYPE_VENDOR | LIBUSB_RECIPIENT_DEVICE),
REQUEST_FIRMWARE_LOAD, CPUCS_REG, 0, &reset_bit, 1, USB_TIMEOUT);
/* usb_control_msg() returns the number of bytes transferred during the
else
chunk_size = bytes_remaining;
- ret = usb_control_msg(device->usb_handle,
- (USB_ENDPOINT_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE),
- REQUEST_FIRMWARE_LOAD, addr, FIRMWARE_ADDR, (char *)data_ptr,
+ ret = libusb_control_transfer(device->usb_device_handle,
+ (LIBUSB_ENDPOINT_OUT | LIBUSB_REQUEST_TYPE_VENDOR | LIBUSB_RECIPIENT_DEVICE),
+ REQUEST_FIRMWARE_LOAD, addr, FIRMWARE_ADDR, (unsigned char *)data_ptr,
chunk_size, USB_TIMEOUT);
if (ret != (int)chunk_size) {
case PAYLOAD_DIRECTION_OUT:
if (ulink_cmd->payload_out != NULL) {
LOG_ERROR("BUG: Duplicate payload allocation for OpenULINK command");
+ free(payload);
return ERROR_FAIL;
} else {
ulink_cmd->payload_out = payload;
case PAYLOAD_DIRECTION_IN:
if (ulink_cmd->payload_in_start != NULL) {
LOG_ERROR("BUG: Duplicate payload allocation for OpenULINK command");
+ free(payload);
return ERROR_FAIL;
} else {
ulink_cmd->payload_in_start = payload;
int ulink_execute_queued_commands(struct ulink *device, int timeout)
{
struct ulink_cmd *current;
- int ret, i, index_out, index_in, count_out, count_in;
+ int ret, i, index_out, index_in, count_out, count_in, transferred;
uint8_t buffer[64];
#ifdef _DEBUG_JTAG_IO_
}
/* Send packet to ULINK */
- ret = usb_bulk_write(device->usb_handle, (2 | USB_ENDPOINT_OUT),
- (char *)buffer, count_out, timeout);
- if (ret < 0)
+ ret = libusb_bulk_transfer(device->usb_device_handle, (2 | LIBUSB_ENDPOINT_OUT),
+ (unsigned char *)buffer, count_out, &transferred, timeout);
+ if (ret != 0)
return ERROR_FAIL;
- if (ret != count_out)
+ if (transferred != count_out)
return ERROR_FAIL;
/* Wait for response if commands contain IN payload data */
if (count_in > 0) {
- ret = usb_bulk_read(device->usb_handle, (2 | USB_ENDPOINT_IN),
- (char *)buffer, 64, timeout);
- if (ret < 0)
+ ret = libusb_bulk_transfer(device->usb_device_handle, (2 | LIBUSB_ENDPOINT_IN),
+ (unsigned char *)buffer, 64, &transferred, timeout);
+ if (ret != 0)
return ERROR_FAIL;
- if (ret != count_in)
+ if (transferred != count_in)
return ERROR_FAIL;
/* Write back IN payload data */
if (scan_size_bits > (58 * 8)) {
LOG_ERROR("BUG: Tried to create CMD_SCAN_IO OpenULINK command with too"
" large payload");
+ free(cmd);
return ERROR_FAIL;
}
break;
}
- if (ret != ERROR_OK)
+ if (ret != ERROR_OK) {
+ free(cmd);
return ret;
+ }
/* Build payload_out that is common to all scan types */
cmd->payload_out[0] = scan_size_bytes & 0xFF;
/* CMD_CLOCK_TMS has two OUT payload bytes and zero IN payload bytes */
ret = ulink_allocate_payload(cmd, 2, PAYLOAD_DIRECTION_OUT);
- if (ret != ERROR_OK)
+ if (ret != ERROR_OK) {
+ free(cmd);
return ret;
+ }
cmd->payload_out[0] = count;
cmd->payload_out[1] = sequence;
/* CMD_CLOCK_TCK has two OUT payload bytes and zero IN payload bytes */
ret = ulink_allocate_payload(cmd, 2, PAYLOAD_DIRECTION_OUT);
- if (ret != ERROR_OK)
+ if (ret != ERROR_OK) {
+ free(cmd);
return ret;
+ }
cmd->payload_out[0] = count & 0xff;
cmd->payload_out[1] = (count >> 8) & 0xff;
/* CMD_GET_SIGNALS has two IN payload bytes */
ret = ulink_allocate_payload(cmd, 2, PAYLOAD_DIRECTION_IN);
- if (ret != ERROR_OK)
+ if (ret != ERROR_OK) {
+ free(cmd);
return ret;
+ }
return ulink_append_queue(device, cmd);
}
/* CMD_SET_SIGNALS has two OUT payload bytes and zero IN payload bytes */
ret = ulink_allocate_payload(cmd, 2, PAYLOAD_DIRECTION_OUT);
- if (ret != ERROR_OK)
+ if (ret != ERROR_OK) {
+ free(cmd);
return ret;
+ }
cmd->payload_out[0] = low;
cmd->payload_out[1] = high;
/* CMD_SLEEP_US has two OUT payload bytes and zero IN payload bytes */
ret = ulink_allocate_payload(cmd, 2, PAYLOAD_DIRECTION_OUT);
- if (ret != ERROR_OK)
+ if (ret != ERROR_OK) {
+ free(cmd);
return ret;
+ }
cmd->payload_out[0] = us & 0x00ff;
cmd->payload_out[1] = (us >> 8) & 0x00ff;
/* CMD_CONFIGURE_TCK_FREQ has five OUT payload bytes and zero
* IN payload bytes */
ret = ulink_allocate_payload(cmd, 5, PAYLOAD_DIRECTION_OUT);
- if (ret != ERROR_OK)
+ if (ret != ERROR_OK) {
+ free(cmd);
return ret;
+ }
if (delay_scan_in < 0)
cmd->payload_out[0] = 0;
/* CMD_SET_LEDS has one OUT payload byte and zero IN payload bytes */
ret = ulink_allocate_payload(cmd, 1, PAYLOAD_DIRECTION_OUT);
- if (ret != ERROR_OK)
+ if (ret != ERROR_OK) {
+ free(cmd);
return ret;
+ }
cmd->payload_out[0] = led_state;
/* CMD_TEST has one OUT payload byte and zero IN payload bytes */
ret = ulink_allocate_payload(cmd, 1, PAYLOAD_DIRECTION_OUT);
- if (ret != ERROR_OK)
+ if (ret != ERROR_OK) {
+ free(cmd);
return ret;
+ }
cmd->payload_out[0] = 0xAA;
*/
static int ulink_init(void)
{
- int ret;
+ int ret, transferred;
char str_manufacturer[20];
bool download_firmware = false;
- uint8_t *dummy;
+ unsigned char *dummy;
uint8_t input_signals, output_signals;
ulink_handle = calloc(1, sizeof(struct ulink));
if (ulink_handle == NULL)
return ERROR_FAIL;
- usb_init();
+ libusb_init(&ulink_handle->libusb_ctx);
ret = ulink_usb_open(&ulink_handle);
if (ret != ERROR_OK) {
LOG_ERROR("Could not open ULINK device");
+ free(ulink_handle);
+ ulink_handle = NULL;
return ret;
}
/* Get String Descriptor to determine if firmware needs to be loaded */
- ret = usb_get_string_simple(ulink_handle->usb_handle, 1, str_manufacturer, 20);
+ ret = libusb_get_string_descriptor_ascii(ulink_handle->usb_device_handle, 1, (unsigned char *)str_manufacturer, 20);
if (ret < 0) {
/* Could not get descriptor -> Unconfigured or original Keil firmware */
download_firmware = true;
ULINK_FIRMWARE_FILE, ULINK_RENUMERATION_DELAY);
if (ret != ERROR_OK) {
LOG_ERROR("Could not download firmware and re-numerate ULINK");
+ free(ulink_handle);
+ ulink_handle = NULL;
return ret;
}
} else
* shut down by the user via Ctrl-C. Try to retrieve this Bulk IN packet. */
dummy = calloc(64, sizeof(uint8_t));
- ret = usb_bulk_read(ulink_handle->usb_handle, (2 | USB_ENDPOINT_IN),
- (char *)dummy, 64, 200);
+ ret = libusb_bulk_transfer(ulink_handle->usb_device_handle, (2 | LIBUSB_ENDPOINT_IN),
+ dummy, 64, &transferred, 200);
free(dummy);
- if (ret < 0) {
+ if (ret != 0 || transferred == 0) {
/* Bulk IN transfer failed -> unrecoverable error condition */
LOG_ERROR("Cannot communicate with ULINK device. Disconnect ULINK from "
"the USB port and re-connect, then re-run OpenOCD");
+ free(ulink_handle);
+ ulink_handle = NULL;
return ERROR_FAIL;
}
#ifdef _DEBUG_USB_COMMS_
projects / openocd / blobdiff