From a0db16048f81313604a06509cc6afeb5cdbf740d Mon Sep 17 00:00:00 2001
From: Szczepan Zalega <szczepan.zalega@gmail.com>
Date: Sat, 20 Feb 2016 15:23:05 +0100
Subject: compiling own version of lib hid_libusb (copied from nitroapp) and
linking it statically with debug messages
---
Makefile | 5 +-
device.cc | 8 +
hid_libusb.cc | 1525 +++++++++++++++++++++++++++++++++++++++++++++++++++++
include/device.h | 1 +
unittest/Makefile | 2 +-
unittest/test.cc | 1 +
6 files changed, 1539 insertions(+), 3 deletions(-)
create mode 100644 hid_libusb.cc
diff --git a/Makefile b/Makefile
index 1b4a261..6e0ede7 100644
--- a/Makefile
+++ b/Makefile
@@ -3,10 +3,11 @@ CXX = $(PREFIX)-g++
LD = $(CXX)
INCLUDE = -Iinclude/
-LIB = -lhidapi-libusb
+LIB = -lusb-1.0
+#LIB = -lhidapi-libusb
BUILD = build
-CXXFLAGS = -std=c++14 -fPIC
+CXXFLAGS = -std=c++14 -fPIC -fpermissive
SOFLAGS = -shared
CXXSOURCES = $(wildcard *.cc)
diff --git a/device.cc b/device.cc
index e1a5615..e4ec8bd 100644
--- a/device.cc
+++ b/device.cc
@@ -16,11 +16,19 @@ Device::Device()
m_retry_timeout(50),
mp_devhandle(NULL) {}
+bool Device::disconnect() {
+ Log::instance()(__PRETTY_FUNCTION__, Loglevel::DEBUG_L2);
+
+ hid_exit();
+ mp_devhandle = NULL;
+ return true;
+}
bool Device::connect() {
Log::instance()(__PRETTY_FUNCTION__, Loglevel::DEBUG_L2);
hid_init();
mp_devhandle = hid_open(m_vid, m_pid, NULL);
+ hid_init();
return mp_devhandle != NULL;
}
diff --git a/hid_libusb.cc b/hid_libusb.cc
new file mode 100644
index 0000000..9a92fd4
--- /dev/null
+++ b/hid_libusb.cc
@@ -0,0 +1,1525 @@
+/*******************************************************
+ HIDAPI - Multi-Platform library for
+ communication with HID devices.
+
+ Alan Ott
+ Signal 11 Software
+
+ 8/22/2009
+ Linux Version - 6/2/2010
+ Libusb Version - 8/13/2010
+ FreeBSD Version - 11/1/2011
+
+ Copyright 2009, All Rights Reserved.
+
+ At the discretion of the user of this library,
+ this software may be licensed under the terms of the
+ GNU Public License v3, a BSD-Style license, or the
+ original HIDAPI license as outlined in the LICENSE.txt,
+ LICENSE-gpl3.txt, LICENSE-bsd.txt, and LICENSE-orig.txt
+ files located at the root of the source distribution.
+ These files may also be found in the public source
+ code repository located at:
+ http://github.com/signal11/hidapi .
+********************************************************/
+
+#define _GNU_SOURCE // needed for wcsdup() before glibc 2.10
+
+/* C */
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include <locale.h>
+#include <errno.h>
+
+/* Unix */
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/ioctl.h>
+#include <sys/utsname.h>
+#include <fcntl.h>
+#include <pthread.h>
+#include <wchar.h>
+
+/* GNU / LibUSB */
+//#include "libusb.h"
+#include <libusb.h>
+#include "iconv.h"
+
+#include "hidapi.h"
+//#include "stick20hid.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+#define DEBUG_PRINTF
+
+#ifdef DEBUG_PRINTF
+//#define LOG(...) fprintf(stderr, __VA_ARGS__)
+#define LOG(...) fprintf(logfile, __VA_ARGS__)
+#else
+#define LOG(...) \
+ do { \
+ } while (0)
+#endif
+
+//FILE *logfile = fopen("log.txt", "w");
+FILE *logfile;
+
+#define logf(x) LOG("## %s\n", x)
+#define DebugAppendText(x) LOG("## %s\n", x)
+#define DebugAppendTextGui(x) LOG("## %s\n", x)
+
+#ifndef __FreeBSD__
+#define DETACH_KERNEL_DRIVER
+#endif
+
+#define STICK20_DEBUG
+#define STICK20_DEBUG_ALL
+
+/* Uncomment to enable the retrieval of Usage and Usage Page in hid_enumerate().
+ Warning, on platforms different from FreeBSD this is very
+ invasive as it requires the detach and re-attach of the kernel driver. See
+ comments inside hid_enumerate(). libusb HIDAPI programs are
+ encouraged to use the interface number instead to differentiate between
+ interfaces on a composite HID device. */
+/* #define INVASIVE_GET_USAGE */
+
+/* Linked List of input reports received from the device. */
+struct input_report {
+ uint8_t *data;
+ size_t len;
+ struct input_report *next;
+};
+
+struct hid_device_ {
+ /* Handle to the actual device. */
+ libusb_device_handle *device_handle;
+
+ /* Endpoint information */
+ int input_endpoint;
+ int output_endpoint;
+ int input_ep_max_packet_size;
+
+ /* The interface number of the HID */
+ int interface;
+
+ /* Indexes of Strings */
+ int manufacturer_index;
+ int product_index;
+ int serial_index;
+
+ /* Whether blocking reads are used */
+ int blocking; /* boolean */
+
+ /* Read thread objects */
+ pthread_t thread;
+ pthread_mutex_t mutex; /* Protects input_reports */
+ pthread_cond_t condition;
+ pthread_barrier_t barrier; /* Ensures correct startup sequence */
+ int shutdown_thread;
+ struct libusb_transfer *transfer;
+
+ /* List of received input reports. */
+ struct input_report *input_reports;
+};
+
+static libusb_context *usb_context = NULL;
+
+uint16_t get_usb_code_for_current_locale(void);
+static int return_data(hid_device *dev, unsigned char *data, size_t length);
+
+static hid_device *new_hid_device(void) {
+ logf(__FUNCTION__);
+ hid_device *dev = calloc(1, sizeof(hid_device));
+ dev->blocking = 1;
+
+ pthread_mutex_init(&dev->mutex, NULL);
+ pthread_cond_init(&dev->condition, NULL);
+ pthread_barrier_init(&dev->barrier, NULL, 2);
+
+ return dev;
+}
+
+static void free_hid_device(hid_device *dev) {
+ logf(__FUNCTION__);
+ /* Clean up the thread objects */
+ pthread_barrier_destroy(&dev->barrier);
+ pthread_cond_destroy(&dev->condition);
+ pthread_mutex_destroy(&dev->mutex);
+
+ /* Free the device itself */
+ free(dev);
+}
+
+#if 0
+ // TODO: Implement this funciton on hidapi/libusb..
+ static void register_error (hid_device * device, const char* op)
+ {
+
+ }
+#endif
+
+#ifdef INVASIVE_GET_USAGE
+/* Get bytes from a HID Report Descriptor. Only call with a num_bytes of 0, 1,
+ * 2, or 4. */
+static uint32_t get_bytes(uint8_t *rpt, size_t len, size_t num_bytes,
+ size_t cur) {
+ logf(__FUNCTION__);
+ /* Return if there aren't enough bytes. */
+ if (cur + num_bytes >= len)
+ return 0;
+
+ if (num_bytes == 0)
+ return 0;
+ else if (num_bytes == 1) {
+ return rpt[cur + 1];
+ } else if (num_bytes == 2) {
+ return (rpt[cur + 2] * 256 + rpt[cur + 1]);
+ } else if (num_bytes == 4) {
+ return (rpt[cur + 4] * 0x01000000 + rpt[cur + 3] * 0x00010000 +
+ rpt[cur + 2] * 0x00000100 + rpt[cur + 1] * 0x00000001);
+ } else
+ return 0;
+}
+
+/* Retrieves the device's Usage Page and Usage from the report descriptor. The
+ algorithm is simple, as it just returns the first Usage and Usage
+ Page that it finds in the descriptor. The return value is 0 on success and -1
+ on failure. */
+static int get_usage(uint8_t *report_descriptor, size_t size,
+ unsigned short *usage_page, unsigned short *usage) {
+ logf(__FUNCTION__);
+ int i = 0;
+
+ int size_code;
+
+ int data_len, key_size;
+
+ int usage_found = 0, usage_page_found = 0;
+
+ while (i < size) {
+ int key = report_descriptor[i];
+
+ int key_cmd = key & 0xfc;
+
+ // printf("key: %02hhx\n", key);
+
+ if ((key & 0xf0) == 0xf0) {
+ /* This is a Long Item. The next byte contains the length of the data
+ section (value) for this key. See the HID specification,
+ version 1.11, section 6.2.2.3, titled "Long Items." */
+ if (i + 1 < size)
+ data_len = report_descriptor[i + 1];
+ else
+ data_len = 0; /* malformed report */
+ key_size = 3;
+ } else {
+ /* This is a Short Item. The bottom two bits of the key contain the size
+ code for the data section (value) for this key. Refer to
+ the HID specification, version 1.11, section 6.2.2.2, titled "Short
+ Items." */
+ size_code = key & 0x3;
+ switch (size_code) {
+ case 0:
+ case 1:
+ case 2:
+ data_len = size_code;
+ break;
+ case 3:
+ data_len = 4;
+ break;
+ default:
+ /* Can't ever happen since size_code is & 0x3 */
+ data_len = 0;
+ break;
+ };
+ key_size = 1;
+ }
+
+ if (key_cmd == 0x4) {
+ *usage_page = get_bytes(report_descriptor, size, data_len, i);
+ usage_page_found = 1;
+ // printf("Usage Page: %x\n", (uint32_t)*usage_page);
+ }
+ if (key_cmd == 0x8) {
+ *usage = get_bytes(report_descriptor, size, data_len, i);
+ usage_found = 1;
+ // printf("Usage: %x\n", (uint32_t)*usage);
+ }
+
+ if (usage_page_found && usage_found)
+ return 0; /* success */
+
+ /* Skip over this key and it's associated data */
+ i += data_len + key_size;
+ }
+
+ return -1; /* failure */
+}
+#endif // INVASIVE_GET_USAGE
+
+#ifdef __FreeBSD__
+/* The FreeBSD version of libusb doesn't have this funciton. In mainline libusb,
+ it's inlined in libusb.h. This function will bear a striking
+ resemblence to that one, because there's about one way to code it.
+
+ Note that the data parameter is Unicode in UTF-16LE encoding. Return value is
+ the number of bytes in data, or LIBUSB_ERROR_*. */
+static inline int libusb_get_string_descriptor(libusb_device_handle *dev,
+ uint8_t descriptor_index,
+ uint16_t lang_id,
+ unsigned char *data,
+ int length) {
+ logf(__FUNCTION__);
+ return libusb_control_transfer(
+ dev, LIBUSB_ENDPOINT_IN | 0x0, /* Endpoint 0 IN */
+ LIBUSB_REQUEST_GET_DESCRIPTOR, (LIBUSB_DT_STRING << 8) | descriptor_index,
+ lang_id, data, (uint16_t)length, 1000);
+}
+
+#endif
+
+/* Get the first language the device says it reports. This comes from USB string
+ * #0. */
+static uint16_t get_first_language(libusb_device_handle *dev) {
+ logf(__FUNCTION__);
+ uint16_t buf[32];
+
+ int len;
+
+ /* Get the string from libusb. */
+ len = libusb_get_string_descriptor(dev, 0x0, /* String ID */
+ 0x0, /* Language */
+ (unsigned char *)buf, sizeof(buf));
+ if (len < 4)
+ return 0x0;
+
+ return buf[1]; // First two bytes are len and descriptor type.
+}
+
+static int is_language_supported(libusb_device_handle *dev, uint16_t lang) {
+ logf(__FUNCTION__);
+ uint16_t buf[32];
+
+ int len;
+
+ int i;
+
+ /* Get the string from libusb. */
+ len = libusb_get_string_descriptor(dev, 0x0, /* String ID */
+ 0x0, /* Language */
+ (unsigned char *)buf, sizeof(buf));
+ if (len < 4)
+ return 0x0;
+
+ len /= 2; /* language IDs are two-bytes each. */
+ /* Start at index 1 because there are two bytes of protocol data. */
+ for (i = 1; i < len; i++) {
+ if (buf[i] == lang)
+ return 1;
+ }
+
+ return 0;
+}
+
+/* This function returns a newly allocated wide string containing the USB device
+ string numbered by the index. The returned string must be freed
+ by using free(). */
+static wchar_t *get_usb_string(libusb_device_handle *dev, uint8_t idx) {
+ logf(__FUNCTION__);
+ char buf[512];
+
+ int len;
+
+ wchar_t *str = NULL;
+
+ wchar_t wbuf[256];
+
+ /* iconv variables */
+ iconv_t ic;
+
+ size_t inbytes;
+
+ size_t outbytes;
+
+ size_t res;
+
+#ifdef __FreeBSD__
+ const char *inptr;
+#else
+ char *inptr;
+#endif
+ char *outptr;
+
+ /* Determine which language to use. */
+ uint16_t lang;
+
+ lang = get_usb_code_for_current_locale();
+ if (!is_language_supported(dev, lang))
+ lang = get_first_language(dev);
+
+ /* Get the string from libusb. */
+ len = libusb_get_string_descriptor(dev, idx, lang, (unsigned char *)buf,
+ sizeof(buf));
+ if (len < 0)
+ return NULL;
+
+ /* buf does not need to be explicitly NULL-terminated because it is only
+ * passed into iconv() which does not need it. */
+
+ /* Initialize iconv. */
+ ic = iconv_open("WCHAR_T", "UTF-16LE");
+ if (ic == (iconv_t)-1) {
+ LOG("iconv_open() failed\n");
+ return NULL;
+ }
+
+ /* Convert to native wchar_t (UTF-32 on glibc/BSD systems). Skip the first
+ * character (2-bytes). */
+ inptr = buf + 2;
+ inbytes = len - 2;
+ outptr = (char *)wbuf;
+ outbytes = sizeof(wbuf);
+ res = iconv(ic, &inptr, &inbytes, &outptr, &outbytes);
+ if (res == (size_t)-1) {
+ LOG("iconv() failed\n");
+ goto err;
+ }
+
+ /* Write the terminating NULL. */
+ wbuf[sizeof(wbuf) / sizeof(wbuf[0]) - 1] = 0x00000000;
+ if (outbytes >= sizeof(wbuf[0]))
+ *((wchar_t *)outptr) = 0x00000000;
+
+ /* Allocate and copy the string. */
+ str = wcsdup(wbuf);
+
+err:
+ iconv_close(ic);
+
+ return str;
+}
+
+static char *make_path(libusb_device *dev, int interface_number) {
+ logf(__FUNCTION__);
+ char str[64];
+
+ snprintf(str, sizeof(str), "%04x:%04x:%02x", libusb_get_bus_number(dev),
+ libusb_get_device_address(dev), interface_number);
+ str[sizeof(str) - 1] = '\0';
+
+ return strdup(str);
+}
+
+int HID_API_EXPORT hid_init(void) {
+ if (NULL==logfile)
+ logfile = fopen("/tmp/log.txt", "w+");
+ logf(__FUNCTION__);
+ DebugAppendTextGui("init");
+ if (!usb_context) {
+ const char *locale;
+
+ /* Init Libusb */
+ if (libusb_init(&usb_context))
+ return -1;
+
+ /* Set the locale if it's not set. */
+ locale = setlocale(LC_CTYPE, NULL);
+ if (!locale)
+ setlocale(LC_CTYPE, "");
+ }
+
+ return 0;
+}
+
+int HID_API_EXPORT hid_exit(void) {
+ logf(__FUNCTION__);
+ fclose(logfile);
+ if (usb_context) {
+ libusb_exit(usb_context);
+ usb_context = NULL;
+ }
+
+ return 0;
+}
+
+struct hid_device_info HID_API_EXPORT *
+hid_enumerate(unsigned short vendor_id, unsigned short product_id) {
+ logf(__FUNCTION__);
+ libusb_device **devs;
+
+ libusb_device *dev;
+
+ libusb_device_handle *handle;
+
+ ssize_t num_devs;
+
+ int i = 0;
+
+ struct hid_device_info *root = NULL; // return object
+
+ struct hid_device_info *cur_dev = NULL;
+
+#ifdef STICK20_DEBUG
+ { // For debugging
+ char text[1000];
+
+ sprintf(text, "hid_enumerate: Start VID %04x PID %04x\n", vendor_id,
+ product_id);
+ DebugAppendTextGui(text);
+ }
+#endif
+
+ hid_init();
+
+ num_devs = libusb_get_device_list(usb_context, &devs);
+ if (num_devs < 0)
+ return NULL;
+
+#ifdef STICK20_DEBUG_ALL
+ DebugAppendText("hid_enumerate: 2\n");
+#endif
+
+ while ((dev = devs[i++]) != NULL) {
+ struct libusb_device_descriptor desc;
+
+ struct libusb_config_descriptor *conf_desc = NULL;
+
+ int j, k;
+
+ int interface_num = 0;
+
+ int res = libusb_get_device_descriptor(dev, &desc);
+
+ unsigned short dev_vid = desc.idVendor;
+
+ unsigned short dev_pid = desc.idProduct;
+
+#ifdef STICK20_DEBUG
+ { // For debugging
+ char text[1000];
+
+ // sprintf(text,"Check Product-Vendor: Start VID %04x PID
+ // %04x\n",dev_vid, dev_pid);
+ // DebugAppendText (text);
+ if ((dev_vid == 0x20A0) && (dev_pid == 0x4109) &&
+ (dev_pid == product_id)) {
+ sprintf(text, "*** STICK FOUND\n");
+ DebugAppendTextGui(text);
+ }
+ }
+#endif
+ /* HID's are defined at the interface level. */
+ if (desc.bDeviceClass != LIBUSB_CLASS_PER_INTERFACE)
+ continue;
+
+ res = libusb_get_active_config_descriptor(dev, &conf_desc);
+
+ if (res < 0)
+ libusb_get_config_descriptor(dev, 0, &conf_desc);
+
+ if (conf_desc) {
+ for (j = 0; j < conf_desc->bNumInterfaces; j++) {
+
+ const struct libusb_interface *intf = &conf_desc->interface[j];
+
+ for (k = 0; k < intf->num_altsetting; k++) {
+
+ const struct libusb_interface_descriptor *intf_desc;
+
+ intf_desc = &intf->altsetting[k];
+
+ if (intf_desc->bInterfaceClass == LIBUSB_CLASS_HID) {
+ interface_num = intf_desc->bInterfaceNumber;
+
+ /* Check the VID/PID against the arguments */
+ if ((vendor_id == 0x0 && product_id == 0x0) ||
+ (vendor_id == dev_vid && product_id == dev_pid)) {
+ struct hid_device_info *tmp;
+
+ /* VID/PID match. Create the record. */
+ tmp = calloc(1, sizeof(struct hid_device_info));
+ if (cur_dev) {
+ cur_dev->next = tmp;
+ } else {
+ root = tmp;
+ }
+ cur_dev = tmp;
+
+ /* Fill out the record */
+ cur_dev->next = NULL;
+ cur_dev->path = make_path(dev, interface_num);
+
+ res = libusb_open(dev, &handle);
+#ifdef STICK20_DEBUG
+ { // For debugging
+ if (res < 0) {
+ char text[1000];
+
+ sprintf(text, "libusb_open: ERROR : ret= %d - %s\n", res,
+ libusb_error_name(res));
+ DebugAppendTextGui(text);
+ }
+ }
+#endif
+ if (res >= 0) {
+ /* Serial Number */
+ if (desc.iSerialNumber > 0)
+ cur_dev->serial_number =
+ get_usb_string(handle, desc.iSerialNumber);
+
+ /* Manufacturer and Product strings */
+ if (desc.iManufacturer > 0)
+ cur_dev->manufacturer_string =
+ get_usb_string(handle, desc.iManufacturer);
+ if (desc.iProduct > 0)
+ cur_dev->product_string =
+ get_usb_string(handle, desc.iProduct);
+
+#ifdef INVASIVE_GET_USAGE
+ /*
+ This section is removed because it is too invasive on the
+ system. Getting a Usage Page and Usage requires
+ parsing the HID Report descriptor. Getting a HID Report
+ descriptor involves claiming the interface. Claiming
+ the interface involves detaching the kernel driver. Detaching
+ the kernel driver is hard on the system because
+ it will unclaim interfaces (if another app has them claimed)
+ and the re-attachment of the driver will
+ sometimes change /dev entry names. It is for these reasons
+ that this section is #if 0. For composite devices,
+ use the interface field in the hid_device_info struct to
+ distinguish between interfaces. */
+ unsigned char data[256];
+
+#ifdef DETACH_KERNEL_DRIVER
+ int detached = 0;
+
+ /* Usage Page and Usage */
+ res = libusb_kernel_driver_active(handle, interface_num);
+ if (res == 1) {
+ res = libusb_detach_kernel_driver(handle, interface_num);
+ if (res < 0)
+ LOG("Couldn't detach kernel driver, even though a kernel "
+ "driver was attached.");
+ else
+ detached = 1;
+ }
+#endif
+ res = libusb_claim_interface(handle, interface_num);
+ if (res >= 0) {
+ /* Get the HID Report Descriptor. */
+ res = libusb_control_transfer(
+ handle, LIBUSB_ENDPOINT_IN | LIBUSB_RECIPIENT_INTERFACE,
+ LIBUSB_REQUEST_GET_DESCRIPTOR,
+ (LIBUSB_DT_REPORT << 8) | interface_num, 0, data,
+ sizeof(data), 5000);
+ if (res >= 0) {
+ unsigned short page = 0, usage = 0;
+
+ /* Parse the usage and usage page out of the report
+ * descriptor. */
+ get_usage(data, res, &page, &usage);
+ cur_dev->usage_page = page;
+ cur_dev->usage = usage;
+ } else
+ LOG("libusb_control_transfer() for getting the HID report "
+ "failed with %d\n",
+ res);
+
+ /* Release the interface */
+ res = libusb_release_interface(handle, interface_num);
+ if (res < 0)
+ LOG("Can't release the interface.\n");
+ } else
+ LOG("Can't claim interface %d\n", res);
+#ifdef DETACH_KERNEL_DRIVER
+ /* Re-attach kernel driver if necessary. */
+ if (detached) {
+ res = libusb_attach_kernel_driver(handle, interface_num);
+ if (res < 0)
+ LOG("Couldn't re-attach kernel driver.\n");
+ }
+#endif
+
+#endif // INVASIVE_GET_USAGE
+
+ libusb_close(handle);
+ }
+ /* VID/PID */
+ cur_dev->vendor_id = dev_vid;
+ cur_dev->product_id = dev_pid;
+
+ /* Release Number */
+ cur_dev->release_number = desc.bcdDevice;
+
+ /* Interface Number */
+ cur_dev->interface_number = interface_num;
+ }
+ }
+ } /* altsettings */
+ } /* interfaces */
+ libusb_free_config_descriptor(conf_desc);
+ }
+ }
+
+ libusb_free_device_list(devs, 1);
+
+ return root;
+}
+
+void HID_API_EXPORT hid_free_enumeration(struct hid_device_info *devs) {
+ logf(__FUNCTION__);
+ struct hid_device_info *d = devs;
+
+ while (d) {
+ struct hid_device_info *next = d->next;
+
+ free(d->path);
+ free(d->serial_number);
+ free(d->manufacturer_string);
+ free(d->product_string);
+ free(d);
+ d = next;
+ }
+}
+
+hid_device *hid_open(unsigned short vendor_id, unsigned short product_id,
+ const wchar_t *serial_number) {
+ if (NULL==logfile)
+ logfile = fopen("/tmp/log.txt", "w+");
+ logf(__FUNCTION__);
+ struct hid_device_info *devs, *cur_dev;
+
+ const char *path_to_open = NULL;
+
+ hid_device *handle = NULL;
+
+#ifdef STICK20_DEBUG
+ { // For debugging
+ char text[1000];
+
+ sprintf(text, "hid_open: VID %04x PID %04x\n", vendor_id, product_id);
+ DebugAppendTextGui(text);
+ }
+#endif
+
+ devs = hid_enumerate(vendor_id, product_id);
+ cur_dev = devs;
+ while (cur_dev) {
+ if (cur_dev->vendor_id == vendor_id && cur_dev->product_id == product_id) {
+ if (serial_number) {
+ if (wcscmp(serial_number, cur_dev->serial_number) == 0) {
+ path_to_open = cur_dev->path;
+ break;
+ }
+ } else {
+ path_to_open = cur_dev->path;
+ break;
+ }
+ }
+ cur_dev = cur_dev->next;
+ }
+
+ if (path_to_open) {
+ /* Open the device */
+ handle = hid_open_path(path_to_open);
+ }
+
+ hid_free_enumeration(devs);
+
+ return handle;
+}
+
+static void read_callback(struct libusb_transfer *transfer) {
+ logf(__FUNCTION__);
+ hid_device *dev = transfer->user_data;
+
+ int res;
+
+ if (transfer->status == LIBUSB_TRANSFER_COMPLETED) {
+
+ struct input_report *rpt = malloc(sizeof(*rpt));
+
+ rpt->data = malloc(transfer->actual_length);
+ memcpy(rpt->data, transfer->buffer, transfer->actual_length);
+ rpt->len = transfer->actual_length;
+ rpt->next = NULL;
+
+ pthread_mutex_lock(&dev->mutex);
+
+ /* Attach the new report object to the end of the list. */
+ if (dev->input_reports == NULL) {
+ /* The list is empty. Put it at the root. */
+ dev->input_reports = rpt;
+ pthread_cond_signal(&dev->condition);
+ } else {
+ /* Find the end of the list and attach. */
+ struct input_report *cur = dev->input_reports;
+
+ int num_queued = 0;
+
+ while (cur->next != NULL) {
+ cur = cur->next;
+ num_queued++;
+ }
+ cur->next = rpt;
+
+ /* Pop one off if we've reached 30 in the queue. This way we don't grow
+ * forever if the user never reads anything from the device. */
+ if (num_queued > 30) {
+ return_data(dev, NULL, 0);
+ }
+ }
+ pthread_mutex_unlock(&dev->mutex);
+ } else if (transfer->status == LIBUSB_TRANSFER_CANCELLED) {
+ dev->shutdown_thread = 1;
+ return;
+ } else if (transfer->status == LIBUSB_TRANSFER_NO_DEVICE) {
+ dev->shutdown_thread = 1;
+ return;
+ } else if (transfer->status == LIBUSB_TRANSFER_TIMED_OUT) {
+ // LOG("Timeout (normal)\n");
+ } else {
+ LOG("Unknown transfer code: %d\n", transfer->status);
+ }
+
+ /* Re-submit the transfer object. */
+ res = libusb_submit_transfer(transfer);
+ if (res != 0) {
+ LOG("Unable to submit URB. libusb error code: %d\n", res);
+ dev->shutdown_thread = 1;
+ }
+}
+
+static void *read_thread(void *param) {
+ logf(__FUNCTION__);
+ hid_device *dev = param;
+
+ unsigned char *buf;
+
+ const size_t length = dev->input_ep_max_packet_size;
+
+ /* Set up the transfer object. */
+ buf = malloc(length);
+ dev->transfer = libusb_alloc_transfer(0);
+ libusb_fill_interrupt_transfer(dev->transfer, dev->device_handle,
+ dev->input_endpoint, buf, length,
+ read_callback, dev, 5000 /* timeout */);
+
+ /* Make the first submission. Further submissions are made from inside
+ * read_callback() */
+ libusb_submit_transfer(dev->transfer);
+
+ // Notify the main thread that the read thread is up and running.
+ pthread_barrier_wait(&dev->barrier);
+
+ /* Handle all the events. */
+ while (!dev->shutdown_thread) {
+ int res;
+
+ res = libusb_handle_events(usb_context);
+ if (res < 0) {
+ /* There was an error. */
+ LOG("read_thread(): libusb reports error # %d\n", res);
+
+ /* Break out of this loop only on fatal error. */
+ if (res != LIBUSB_ERROR_BUSY && res != LIBUSB_ERROR_TIMEOUT &&
+ res != LIBUSB_ERROR_OVERFLOW && res != LIBUSB_ERROR_INTERRUPTED) {
+ break;
+ }
+ }
+ }
+
+ /* Cancel any transfer that may be pending. This call will fail if no
+ * transfers are pending, but that's OK. */
+ if (libusb_cancel_transfer(dev->transfer) == 0) {
+ /* The transfer was cancelled, so wait for its completion. */
+ libusb_handle_events(usb_context);
+ }
+
+ /* Now that the read thread is stopping, Wake any threads which are waiting on
+ data (in hid_read_timeout()). Do this under a mutex to make
+ sure that a thread which is about to go to sleep waiting on the condition
+ acutally will go to sleep before the condition is signaled. */
+ pthread_mutex_lock(&dev->mutex);
+ pthread_cond_broadcast(&dev->condition);
+ pthread_mutex_unlock(&dev->mutex);
+
+ /* The dev->transfer->buffer and dev->transfer objects are cleaned up in
+ hid_close(). They are not cleaned up here because this thread could
+ end either due to a disconnect or due to a user call to hid_close(). In
+ both cases the objects can be safely cleaned up after the call to
+ pthread_join() (in hid_close()), but since hid_close() calls
+ libusb_cancel_transfer(), on these objects, they can not be cleaned up
+ here. */
+
+ return NULL;
+}
+
+hid_device *HID_API_EXPORT hid_open_path(const char *path) {
+ logf(__FUNCTION__);
+ hid_device *dev = NULL;
+
+ dev = new_hid_device();
+
+ libusb_device **devs;
+
+ libusb_device *usb_dev;
+
+ ssize_t num_devs;
+
+ int res;
+
+ int d = 0;
+
+ int good_open = 0;
+
+ hid_init();
+
+ num_devs = libusb_get_device_list(usb_context, &devs);
+ while ((usb_dev = devs[d++]) != NULL) {
+ struct libusb_device_descriptor desc;
+
+ struct libusb_config_descriptor *conf_desc = NULL;
+
+ int i, j, k;
+
+ libusb_get_device_descriptor(usb_dev, &desc);
+
+ if (libusb_get_active_config_descriptor(usb_dev, &conf_desc) < 0)
+ continue;
+ for (j = 0; j < conf_desc->bNumInterfaces; j++) {
+ const struct libusb_interface *intf = &conf_desc->interface[j];
+
+ for (k = 0; k < intf->num_altsetting; k++) {
+ const struct libusb_interface_descriptor *intf_desc;
+
+ intf_desc = &intf->altsetting[k];
+ if (intf_desc->bInterfaceClass == LIBUSB_CLASS_HID) {
+ char *dev_path = make_path(usb_dev, intf_desc->bInterfaceNumber);
+
+ if (!strcmp(dev_path, path)) {
+ /* Matched Paths. Open this device */
+
+ // OPEN HERE //
+ res = libusb_open(usb_dev, &dev->device_handle);
+ if (res < 0) {
+ LOG("can't open device\n");
+ free(dev_path);
+ break;
+ }
+ good_open = 1;
+#ifdef DETACH_KERNEL_DRIVER
+ /* Detach the kernel driver, but only if the device is managed by
+ * the kernel */
+ if (libusb_kernel_driver_active(dev->device_handle,
+ intf_desc->bInterfaceNumber) == 1) {
+ res = libusb_detach_kernel_driver(dev->device_handle,
+ intf_desc->bInterfaceNumber);
+ if (res < 0) {
+ libusb_close(dev->device_handle);
+ LOG("Unable to detach Kernel Driver\n");
+ free(dev_path);
+ good_open = 0;
+ break;
+ }
+ }
+#endif
+ res = libusb_claim_interface(dev->device_handle,
+ intf_desc->bInterfaceNumber);
+ if (res < 0) {
+ LOG("can't claim interface %d: %d\n", intf_desc->bInterfaceNumber,
+ res);
+ free(dev_path);
+ libusb_close(dev->device_handle);
+ good_open = 0;
+ break;
+ }
+
+ /* Store off the string descriptor indexes */
+ dev->manufacturer_index = desc.iManufacturer;
+ dev->product_index = desc.iProduct;
+ dev->serial_index = desc.iSerialNumber;
+
+ /* Store off the interface number */
+ dev->interface = intf_desc->bInterfaceNumber;
+
+ /* Find the INPUT and OUTPUT endpoints. An OUTPUT endpoint is not
+ * required. */
+ for (i = 0; i < intf_desc->bNumEndpoints; i++) {
+ const struct libusb_endpoint_descriptor *ep =
+ &intf_desc->endpoint[i];
+
+ /* Determine the type and direction of this endpoint. */
+ int is_interrupt =
+ (ep->bmAttributes & LIBUSB_TRANSFER_TYPE_MASK) ==
+ LIBUSB_TRANSFER_TYPE_INTERRUPT;
+ int is_output = (ep->bEndpointAddress &
+ LIBUSB_ENDPOINT_DIR_MASK) == LIBUSB_ENDPOINT_OUT;
+ int is_input = (ep->bEndpointAddress &
+ LIBUSB_ENDPOINT_DIR_MASK) == LIBUSB_ENDPOINT_IN;
+
+ /* Decide whether to use it for intput or output. */
+ if (dev->input_endpoint == 0 && is_interrupt && is_input) {
+ /* Use this endpoint for INPUT */
+ dev->input_endpoint = ep->bEndpointAddress;
+ dev->input_ep_max_packet_size = ep->wMaxPacketSize;
+ }
+ if (dev->output_endpoint == 0 && is_interrupt && is_output) {
+ /* Use this endpoint for OUTPUT */
+ dev->output_endpoint = ep->bEndpointAddress;
+ }
+ }
+
+ pthread_create(&dev->thread, NULL, read_thread, dev);
+
+ // Wait here for the read thread to be
+ // initialized.
+ pthread_barrier_wait(&dev->barrier);
+ }
+ free(dev_path);
+ }
+ }
+ }
+ libusb_free_config_descriptor(conf_desc);
+ }
+
+ libusb_free_device_list(devs, 1);
+
+ // If we have a good handle, return it.
+ if (good_open) {
+ return dev;
+ } else {
+ // Unable to open any devices.
+ free_hid_device(dev);
+ return NULL;
+ }
+}
+
+int HID_API_EXPORT
+hid_write(hid_device *dev, const unsigned char *data, size_t length) {
+ logf(__FUNCTION__);
+ int res;
+
+ int report_number = data[0];
+
+ int skipped_report_id = 0;
+
+ if (report_number == 0x0) {
+ data++;
+ length--;
+ skipped_report_id = 1;
+ }
+
+ if (dev->output_endpoint <= 0) {
+ /* No interrput out endpoint. Use the Control Endpoint */
+ res = libusb_control_transfer(
+ dev->device_handle,
+ LIBUSB_REQUEST_TYPE_CLASS | LIBUSB_RECIPIENT_INTERFACE |
+ LIBUSB_ENDPOINT_OUT,
+ 0x09 /* HID
+ Set_Report
+ */, (2 /* HID output */ << 8) | report_number, dev->interface,
+ (unsigned char *)data, length, 1000 /* timeout millis */);
+
+ if (res < 0)
+ return -1;
+
+ if (skipped_report_id)
+ length++;
+
+ return length;
+ } else {
+ /* Use the interrupt out endpoint */
+ int actual_length;
+
+ res = libusb_interrupt_transfer(dev->device_handle, dev->output_endpoint,
+ (unsigned char *)data, length,
+ &actual_length, 1000);
+
+ if (res < 0)
+ return -1;
+
+ if (skipped_report_id)
+ actual_length++;
+
+ return actual_length;
+ }
+}
+
+/* Helper function, to simplify hid_read(). This should be called with
+ * dev->mutex locked. */
+static int return_data(hid_device *dev, unsigned char *data, size_t length) {
+ /* Copy the data out of the linked list item (rpt) into the return buffer
+ * (data), and delete the liked list item. */
+ logf(__FUNCTION__);
+ struct input_report *rpt = dev->input_reports;
+
+ size_t len = (length < rpt->len) ? length : rpt->len;
+
+ if (len > 0)
+ memcpy(data, rpt->data, len);
+ dev->input_reports = rpt->next;
+ free(rpt->data);
+ free(rpt);
+ return len;
+}
+
+static void cleanup_mutex(void *param) {
+ logf(__FUNCTION__);
+ hid_device *dev = param;
+
+ pthread_mutex_unlock(&dev->mutex);
+}
+
+int HID_API_EXPORT hid_read_timeout(hid_device *dev, unsigned char *data,
+ size_t length, int milliseconds) {
+ logf(__FUNCTION__);
+ int bytes_read = -1;
+
+#if 0
+ int transferred;
+
+ int res = libusb_interrupt_transfer (dev->device_handle,
+ dev->input_endpoint, data, length,
+ &transferred, 5000);
+ LOG ("transferred: %d\n", transferred);
+ return transferred;
+#endif
+
+ pthread_mutex_lock(&dev->mutex);
+ pthread_cleanup_push(&cleanup_mutex, dev);
+
+ /* There's an input report queued up. Return it. */
+ if (dev->input_reports) {
+ /* Return the first one */
+ bytes_read = return_data(dev, data, length);
+ goto ret;
+ }
+
+ if (dev->shutdown_thread) {
+ /* This means the device has been disconnected. An error code of -1 should
+ * be returned. */
+ bytes_read = -1;
+ goto ret;
+ }
+
+ if (milliseconds == -1) {
+ /* Blocking */
+ while (!dev->input_reports && !dev->shutdown_thread) {
+ pthread_cond_wait(&dev->condition, &dev->mutex);
+ }
+ if (dev->input_reports) {
+ bytes_read = return_data(dev, data, length);
+ }
+ } else if (milliseconds > 0) {
+ /* Non-blocking, but called with timeout. */
+ int res;
+
+ struct timespec ts;
+
+ clock_gettime(CLOCK_REALTIME, &ts);
+ ts.tv_sec += milliseconds / 1000;
+ ts.tv_nsec += (milliseconds % 1000) * 1000000;
+ if (ts.tv_nsec >= 1000000000L) {
+ ts.tv_sec++;
+ ts.tv_nsec -= 1000000000L;
+ }
+
+ while (!dev->input_reports && !dev->shutdown_thread) {
+ res = pthread_cond_timedwait(&dev->condition, &dev->mutex, &ts);
+ if (res == 0) {
+ if (dev->input_reports) {
+ bytes_read = return_data(dev, data, length);
+ break;
+ }
+
+ /* If we're here, there was a spurious wake up or the read thread was
+ * shutdown. Run the loop again (ie: don't break). */
+ } else if (res == ETIMEDOUT) {
+ /* Timed out. */
+ bytes_read = 0;
+ break;
+ } else {
+ /* Error. */
+ bytes_read = -1;
+ break;
+ }
+ }
+ } else {
+ /* Purely non-blocking */
+ bytes_read = 0;
+ }
+
+ret:
+ pthread_mutex_unlock(&dev->mutex);
+ pthread_cleanup_pop(0);
+
+ return bytes_read;
+}
+
+int HID_API_EXPORT
+hid_read(hid_device *dev, unsigned char *data, size_t length) {
+ logf(__FUNCTION__);
+ return hid_read_timeout(dev, data, length, dev->blocking ? -1 : 0);
+}
+
+int HID_API_EXPORT hid_set_nonblocking(hid_device *dev, int nonblock) {
+ logf(__FUNCTION__);
+ dev->blocking = !nonblock;
+
+ return 0;
+}
+
+int HID_API_EXPORT hid_send_feature_report(hid_device *dev,
+ const unsigned char *data,
+ size_t length) {
+ logf(__FUNCTION__);
+ int res = -1;
+
+ int skipped_report_id = 0;
+
+ int report_number = data[0];
+
+ if (report_number == 0x0) {
+ data++;
+ length--;
+ skipped_report_id = 1;
+ }
+
+ res = libusb_control_transfer(
+ dev->device_handle, LIBUSB_REQUEST_TYPE_CLASS |
+ LIBUSB_RECIPIENT_INTERFACE | LIBUSB_ENDPOINT_OUT,
+ 0x09 /* HID
+ set_report
+ */, (3 /* HID feature */ << 8) | report_number, dev->interface,
+ (unsigned char *)data, length, 1000 /* timeout millis */);
+
+ if (res < 0)
+ return -1;
+
+ /* Account for the report ID */
+ if (skipped_report_id)
+ length++;
+
+ return length;
+}
+
+// extern int HID_GetStick20ReceiveData (unsigned char* data);
+
+int HID_API_EXPORT
+hid_get_feature_report(hid_device *dev, unsigned char *data, size_t length) {
+ logf(__FUNCTION__);
+ int res = -1;
+
+ int skipped_report_id = 0;
+
+ int report_number = data[0];
+
+ static int CallCounter = 0;
+
+ // int i;
+
+ CallCounter++;
+
+ if (report_number == 0x0) {
+ /* Offset the return buffer by 1, so that the report ID will remain in byte
+ * 0. */
+ data++;
+ length--;
+ skipped_report_id = 1;
+ }
+
+ res = libusb_control_transfer(
+ dev->device_handle, LIBUSB_REQUEST_TYPE_CLASS |
+ LIBUSB_RECIPIENT_INTERFACE | LIBUSB_ENDPOINT_IN,
+ 0x01 /* HID
+ get_report
+ */, (3 /* HID feature */ << 8) | report_number, dev->interface,
+ (unsigned char *)data, length, 1000 /* timeout millis */);
+
+ if (res < 0) {
+#ifdef STICK20_DEBUG
+ {
+ char text[1000];
+
+ sprintf(text, "hid_get_feature_report: ERROR %d : ret= %d - %s\n",
+ CallCounter, res, libusb_error_name(res));
+ DebugAppendTextGui(text);
+ }
+#endif
+ return -1;
+ }
+
+ if (skipped_report_id)
+ res++;
+
+ // Get HID Stick messages
+ // HID_GetStick20ReceiveData (data); //TODO check this ?!
+
+ return res;
+}
+
+void HID_API_EXPORT hid_close(hid_device *dev) {
+ logf(__FUNCTION__);
+ if (!dev)
+ return;
+
+ /* Cause read_thread() to stop. */
+ dev->shutdown_thread = 1;
+ libusb_cancel_transfer(dev->transfer);
+
+ /* Wait for read_thread() to end. */
+ pthread_join(dev->thread, NULL);
+
+ /* Clean up the Transfer objects allocated in read_thread(). */
+ free(dev->transfer->buffer);
+ libusb_free_transfer(dev->transfer);
+
+ /* release the interface */
+ libusb_release_interface(dev->device_handle, dev->interface);
+
+ /* Close the handle */
+ libusb_close(dev->device_handle);
+
+ /* Clear out the queue of received reports. */
+ pthread_mutex_lock(&dev->mutex);
+ while (dev->input_reports) {
+ return_data(dev, NULL, 0);
+ }
+ pthread_mutex_unlock(&dev->mutex);
+
+ free_hid_device(dev);
+}
+
+int HID_API_EXPORT_CALL
+hid_get_manufacturer_string(hid_device *dev, wchar_t *string, size_t maxlen) {
+ logf(__FUNCTION__);
+ return hid_get_indexed_string(dev, dev->manufacturer_index, string, maxlen);
+}
+
+int HID_API_EXPORT_CALL
+hid_get_product_string(hid_device *dev, wchar_t *string, size_t maxlen) {
+ logf(__FUNCTION__);
+ return hid_get_indexed_string(dev, dev->product_index, string, maxlen);
+}
+
+int HID_API_EXPORT_CALL
+hid_get_serial_number_string(hid_device *dev, wchar_t *string, size_t maxlen) {
+ logf(__FUNCTION__);
+ return hid_get_indexed_string(dev, dev->serial_index, string, maxlen);
+}
+
+int HID_API_EXPORT_CALL hid_get_indexed_string(hid_device *dev,
+ int string_index,
+ wchar_t *string, size_t maxlen) {
+ logf(__FUNCTION__);
+ wchar_t *str;
+
+ str = get_usb_string(dev->device_handle, string_index);
+ if (str) {
+ wcsncpy(string, str, maxlen);
+ string[maxlen - 1] = L'\0';
+ free(str);
+ return 0;
+ } else
+ return -1;
+}
+
+HID_API_EXPORT const wchar_t *HID_API_CALL hid_error(hid_device *dev) {
+ logf(__FUNCTION__);
+ if (dev) {
+ } // Fix warnings
+ return NULL;
+}
+
+struct lang_map_entry {
+ const char *name;
+ const char *string_code;
+ uint16_t usb_code;
+};
+
+#define LANG(name, code, usb_code) \
+ { name, code, usb_code }
+static struct lang_map_entry lang_map[] = {
+ LANG("Afrikaans", "af", 0x0436), LANG("Albanian", "sq", 0x041C),
+ LANG("Arabic - United Arab Emirates", "ar_ae", 0x3801),
+ LANG("Arabic - Bahrain", "ar_bh", 0x3C01),
+ LANG("Arabic - Algeria", "ar_dz", 0x1401),
+ LANG("Arabic - Egypt", "ar_eg", 0x0C01),
+ LANG("Arabic - Iraq", "ar_iq", 0x0801),
+ LANG("Arabic - Jordan", "ar_jo", 0x2C01),
+ LANG("Arabic - Kuwait", "ar_kw", 0x3401),
+ LANG("Arabic - Lebanon", "ar_lb", 0x3001),
+ LANG("Arabic - Libya", "ar_ly", 0x1001),
+ LANG("Arabic - Morocco", "ar_ma", 0x1801),
+ LANG("Arabic - Oman", "ar_om", 0x2001),
+ LANG("Arabic - Qatar", "ar_qa", 0x4001),
+ LANG("Arabic - Saudi Arabia", "ar_sa", 0x0401),
+ LANG("Arabic - Syria", "ar_sy", 0x2801),
+ LANG("Arabic - Tunisia", "ar_tn", 0x1C01),
+ LANG("Arabic - Yemen", "ar_ye", 0x2401), LANG("Armenian", "hy", 0x042B),
+ LANG("Azeri - Latin", "az_az", 0x042C),
+ LANG("Azeri - Cyrillic", "az_az", 0x082C), LANG("Basque", "eu", 0x042D),
+ LANG("Belarusian", "be", 0x0423), LANG("Bulgarian", "bg", 0x0402),
+ LANG("Catalan", "ca", 0x0403), LANG("Chinese - China", "zh_cn", 0x0804),
+ LANG("Chinese - Hong Kong SAR", "zh_hk", 0x0C04),
+ LANG("Chinese - Macau SAR", "zh_mo", 0x1404),
+ LANG("Chinese - Singapore", "zh_sg", 0x1004),
+ LANG("Chinese - Taiwan", "zh_tw", 0x0404), LANG("Croatian", "hr", 0x041A),
+ LANG("Czech", "cs", 0x0405), LANG("Danish", "da", 0x0406),
+ LANG("Dutch - Netherlands", "nl_nl", 0x0413),
+ LANG("Dutch - Belgium", "nl_be", 0x0813),
+ LANG("English - Australia", "en_au", 0x0C09),
+ LANG("English - Belize", "en_bz", 0x2809),
+ LANG("English - Canada", "en_ca", 0x1009),
+ LANG("English - Caribbean", "en_cb", 0x2409),
+ LANG("English - Ireland", "en_ie", 0x1809),
+ LANG("English - Jamaica", "en_jm", 0x2009),
+ LANG("English - New Zealand", "en_nz", 0x1409),
+ LANG("English - Phillippines", "en_ph", 0x3409),
+ LANG("English - Southern Africa", "en_za", 0x1C09),
+ LANG("English - Trinidad", "en_tt", 0x2C09),
+ LANG("English - Great Britain", "en_gb", 0x0809),
+ LANG("English - United States", "en_us", 0x0409),
+ LANG("Estonian", "et", 0x0425), LANG("Farsi", "fa", 0x0429),
+ LANG("Finnish", "fi", 0x040B), LANG("Faroese", "fo", 0x0438),
+ LANG("French - France", "fr_fr", 0x040C),
+ LANG("French - Belgium", "fr_be", 0x080C),
+ LANG("French - Canada", "fr_ca", 0x0C0C),
+ LANG("French - Luxembourg", "fr_lu", 0x140C),
+ LANG("French - Switzerland", "fr_ch", 0x100C),
+ LANG("Gaelic - Ireland", "gd_ie", 0x083C),
+ LANG("Gaelic - Scotland", "gd", 0x043C),
+ LANG("German - Germany", "de_de", 0x0407),
+ LANG("German - Austria", "de_at", 0x0C07),
+ LANG("German - Liechtenstein", "de_li", 0x1407),
+ LANG("German - Luxembourg", "de_lu", 0x1007),
+ LANG("German - Switzerland", "de_ch", 0x0807), LANG("Greek", "el", 0x0408),
+ LANG("Hebrew", "he", 0x040D), LANG("Hindi", "hi", 0x0439),
+ LANG("Hungarian", "hu", 0x040E), LANG("Icelandic", "is", 0x040F),
+ LANG("Indonesian", "id", 0x0421), LANG("Italian - Italy", "it_it", 0x0410),
+ LANG("Italian - Switzerland", "it_ch", 0x0810),
+ LANG("Japanese", "ja", 0x0411), LANG("Korean", "ko", 0x0412),
+ LANG("Latvian", "lv", 0x0426), LANG("Lithuanian", "lt", 0x0427),
+ LANG("F.Y.R.O. Macedonia", "mk", 0x042F),
+ LANG("Malay - Malaysia", "ms_my", 0x043E),
+ LANG("Malay – Brunei", "ms_bn", 0x083E), LANG("Maltese", "mt", 0x043A),
+ LANG("Marathi", "mr", 0x044E), LANG("Norwegian - Bokml", "no_no", 0x0414),
+ LANG("Norwegian - Nynorsk", "no_no", 0x0814), LANG("Polish", "pl", 0x0415),
+ LANG("Portuguese - Portugal", "pt_pt", 0x0816),
+ LANG("Portuguese - Brazil", "pt_br", 0x0416),
+ LANG("Raeto-Romance", "rm", 0x0417),
+ LANG("Romanian - Romania", "ro", 0x0418),
+ LANG("Romanian - Republic of Moldova", "ro_mo", 0x0818),
+ LANG("Russian", "ru", 0x0419),
+ LANG("Russian - Republic of Moldova", "ru_mo", 0x0819),
+ LANG("Sanskrit", "sa", 0x044F), LANG("Serbian - Cyrillic", "sr_sp", 0x0C1A),
+ LANG("Serbian - Latin", "sr_sp", 0x081A), LANG("Setsuana", "tn", 0x0432),
+ LANG("Slovenian", "sl", 0x0424), LANG("Slovak", "sk", 0x041B),
+ LANG("Sorbian", "sb", 0x042E),
+ LANG("Spanish - Spain (Traditional)", "es_es", 0x040A),
+ LANG("Spanish - Argentina", "es_ar", 0x2C0A),
+ LANG("Spanish - Bolivia", "es_bo", 0x400A),
+ LANG("Spanish - Chile", "es_cl", 0x340A),
+ LANG("Spanish - Colombia", "es_co", 0x240A),
+ LANG("Spanish - Costa Rica", "es_cr", 0x140A),
+ LANG("Spanish - Dominican Republic", "es_do", 0x1C0A),
+ LANG("Spanish - Ecuador", "es_ec", 0x300A),
+ LANG("Spanish - Guatemala", "es_gt", 0x100A),
+ LANG("Spanish - Honduras", "es_hn", 0x480A),
+ LANG("Spanish - Mexico", "es_mx", 0x080A),
+ LANG("Spanish - Nicaragua", "es_ni", 0x4C0A),
+ LANG("Spanish - Panama", "es_pa", 0x180A),
+ LANG("Spanish - Peru", "es_pe", 0x280A),
+ LANG("Spanish - Puerto Rico", "es_pr", 0x500A),
+ LANG("Spanish - Paraguay", "es_py", 0x3C0A),
+ LANG("Spanish - El Salvador", "es_sv", 0x440A),
+ LANG("Spanish - Uruguay", "es_uy", 0x380A),
+ LANG("Spanish - Venezuela", "es_ve", 0x200A),
+ LANG("Southern Sotho", "st", 0x0430), LANG("Swahili", "sw", 0x0441),
+ LANG("Swedish - Sweden", "sv_se", 0x041D),
+ LANG("Swedish - Finland", "sv_fi", 0x081D), LANG("Tamil", "ta", 0x0449),
+ LANG("Tatar", "tt", 0X0444), LANG("Thai", "th", 0x041E),
+ LANG("Turkish", "tr", 0x041F), LANG("Tsonga", "ts", 0x0431),
+ LANG("Ukrainian", "uk", 0x0422), LANG("Urdu", "ur", 0x0420),
+ LANG("Uzbek - Cyrillic", "uz_uz", 0x0843),
+ LANG("Uzbek – Latin", "uz_uz", 0x0443), LANG("Vietnamese", "vi", 0x042A),
+ LANG("Xhosa", "xh", 0x0434), LANG("Yiddish", "yi", 0x043D),
+ LANG("Zulu", "zu", 0x0435), LANG(NULL, NULL, 0x0),
+};
+
+uint16_t get_usb_code_for_current_locale(void) {
+ char *locale;
+ logf(__FUNCTION__);
+
+ char search_string[64];
+
+ char *ptr;
+
+ /* Get the current locale. */
+ locale = setlocale(0, NULL);
+ if (!locale)
+ return 0x0;
+
+ /* Make a copy of the current locale string. */
+ strncpy(search_string, locale, sizeof(search_string));
+ search_string[sizeof(search_string) - 1] = '\0';
+
+ /* Chop off the encoding part, and make it lower case. */
+ ptr = search_string;
+ while (*ptr) {
+ *ptr = tolower(*ptr);
+ if (*ptr == '.') {
+ *ptr = '\0';
+ break;
+ }
+ ptr++;
+ }
+
+ /* Find the entry which matches the string code of our locale. */
+ struct lang_map_entry *lang = lang_map;
+
+ while (lang->string_code) {
+ if (!strcmp(lang->string_code, search_string)) {
+ return lang->usb_code;
+ }
+ lang++;
+ }
+
+ /* There was no match. Find with just the language only. */
+ /* Chop off the variant. Chop it off at the '_'. */
+ ptr = search_string;
+ while (*ptr) {
+ *ptr = tolower(*ptr);
+ if (*ptr == '_') {
+ *ptr = '\0';
+ break;
+ }
+ ptr++;
+ }
+
+#if 0 // TODO: Do we need this?
+ /* Find the entry which matches the string code of our language. */
+ lang = lang_map;
+ while (lang->string_code)
+ {
+ if (!strcmp (lang->string_code, search_string))
+ {
+ return lang->usb_code;
+ }
+ lang++;
+ }
+#endif
+
+ /* Found nothing. */
+ return 0x0;
+}
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/include/device.h b/include/device.h
index dfc7149..943fe1a 100644
--- a/include/device.h
+++ b/include/device.h
@@ -27,6 +27,7 @@ public:
// lack of device is not actually an error,
// so it doesn't throw
virtual bool connect();
+ virtual bool disconnect();
/*
* Sends packet of HID_REPORT_SIZE.
diff --git a/unittest/Makefile b/unittest/Makefile
index 145c738..00cbc43 100644
--- a/unittest/Makefile
+++ b/unittest/Makefile
@@ -4,7 +4,7 @@ LD = $(CXX)
INCLUDE = -I../include
LIB = -L../build
-LDLIBS = -lnitrokey
+LDLIBS = -lnitrokey -lusb-1.0
BUILD = build
CXXFLAGS = -std=c++14 -fPIC
diff --git a/unittest/test.cc b/unittest/test.cc
index f24fc54..ae13dda 100644
--- a/unittest/test.cc
+++ b/unittest/test.cc
@@ -32,4 +32,5 @@ int main() {
auto slot = ReadSlot::CommandTransaction::run(stick, slot_req);
}
}
+ stick.disconnect();
}
--
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