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/* ... */
#include <windows.h>
#ifndef _NTDEF_
typedef LONG NTSTATUS;
#endif
#ifdef __MINGW32__
#include <ntdef.h>
#include <winbase.h>
/* ... */#endif
#ifdef __CYGWIN__
#include <ntdef.h>
#define _wcsdup wcsdup
/* ... */#endif
/* ... */
#define MAX_STRING_WCHARS 0xFFF
#ifdef __cplusplus
extern "C" {
#endif
#include <setupapi.h>
#include <winioctl.h>
#ifdef HIDAPI_USE_DDK
#include <hidsdi.h>
#endif
#define HID_OUT_CTL_CODE(id) \
CTL_CODE(FILE_DEVICE_KEYBOARD, (id), METHOD_OUT_DIRECT, FILE_ANY_ACCESS)...
#define IOCTL_HID_GET_FEATURE HID_OUT_CTL_CODE(100)
#ifdef __cplusplus
}extern "C" { ... }
#endif
#include <stdio.h>
#include <stdlib.h>
#include "hidapi.h"
#undef MIN
#define MIN(x,y) ((x) < (y)? (x): (y))
#ifdef _MSC_VER
#pragma warning(disable:4996)/* ... */
#endif
#ifdef __cplusplus
extern "C" {
#endif
#ifndef HIDAPI_USE_DDK
/* ... */
typedef struct _HIDD_ATTRIBUTES{
ULONG Size;
USHORT VendorID;
USHORT ProductID;
USHORT VersionNumber;
...} HIDD_ATTRIBUTES, *PHIDD_ATTRIBUTES;
typedef USHORT USAGE;
typedef struct _HIDP_CAPS {
USAGE Usage;
USAGE UsagePage;
USHORT InputReportByteLength;
USHORT OutputReportByteLength;
USHORT FeatureReportByteLength;
USHORT Reserved[17];
USHORT fields_not_used_by_hidapi[10];
...} HIDP_CAPS, *PHIDP_CAPS;
typedef void* PHIDP_PREPARSED_DATA;
#define HIDP_STATUS_SUCCESS 0x110000
typedef BOOLEAN (__stdcall *HidD_GetAttributes_)(HANDLE device, PHIDD_ATTRIBUTES attrib);
typedef BOOLEAN (__stdcall *HidD_GetSerialNumberString_)(HANDLE device, PVOID buffer, ULONG buffer_len);
typedef BOOLEAN (__stdcall *HidD_GetManufacturerString_)(HANDLE handle, PVOID buffer, ULONG buffer_len);
typedef BOOLEAN (__stdcall *HidD_GetProductString_)(HANDLE handle, PVOID buffer, ULONG buffer_len);
typedef BOOLEAN (__stdcall *HidD_SetFeature_)(HANDLE handle, PVOID data, ULONG length);
typedef BOOLEAN (__stdcall *HidD_GetFeature_)(HANDLE handle, PVOID data, ULONG length);
typedef BOOLEAN (__stdcall *HidD_GetIndexedString_)(HANDLE handle, ULONG string_index, PVOID buffer, ULONG buffer_len);
typedef BOOLEAN (__stdcall *HidD_GetPreparsedData_)(HANDLE handle, PHIDP_PREPARSED_DATA *preparsed_data);
typedef BOOLEAN (__stdcall *HidD_FreePreparsedData_)(PHIDP_PREPARSED_DATA preparsed_data);
typedef NTSTATUS (__stdcall *HidP_GetCaps_)(PHIDP_PREPARSED_DATA preparsed_data, HIDP_CAPS *caps);
typedef BOOLEAN (__stdcall *HidD_SetNumInputBuffers_)(HANDLE handle, ULONG number_buffers);
static HidD_GetAttributes_ HidD_GetAttributes;
static HidD_GetSerialNumberString_ HidD_GetSerialNumberString;
static HidD_GetManufacturerString_ HidD_GetManufacturerString;
static HidD_GetProductString_ HidD_GetProductString;
static HidD_SetFeature_ HidD_SetFeature;
static HidD_GetFeature_ HidD_GetFeature;
static HidD_GetIndexedString_ HidD_GetIndexedString;
static HidD_GetPreparsedData_ HidD_GetPreparsedData;
static HidD_FreePreparsedData_ HidD_FreePreparsedData;
static HidP_GetCaps_ HidP_GetCaps;
static HidD_SetNumInputBuffers_ HidD_SetNumInputBuffers;
static HMODULE lib_handle = NULL;
static BOOLEAN initialized = FALSE;/* ... */
#endif
struct hid_device_ {
HANDLE device_handle;
BOOL blocking;
USHORT output_report_length;
size_t input_report_length;
void *last_error_str;
DWORD last_error_num;
BOOL read_pending;
char *read_buf;
OVERLAPPED ol;
...};
static hid_device *new_hid_device()
{
hid_device *dev = (hid_device*) calloc(1, sizeof(hid_device));
dev->device_handle = INVALID_HANDLE_VALUE;
dev->blocking = TRUE;
dev->output_report_length = 0;
dev->input_report_length = 0;
dev->last_error_str = NULL;
dev->last_error_num = 0;
dev->read_pending = FALSE;
dev->read_buf = NULL;
memset(&dev->ol, 0, sizeof(dev->ol));
dev->ol.hEvent = CreateEvent(NULL, FALSE, FALSE , NULL);
return dev;
}{ ... }
static void free_hid_device(hid_device *dev)
{
CloseHandle(dev->ol.hEvent);
CloseHandle(dev->device_handle);
LocalFree(dev->last_error_str);
free(dev->read_buf);
free(dev);
}{ ... }
static void register_error(hid_device *device, const char *op)
{
WCHAR *ptr, *msg;
FormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER |
FORMAT_MESSAGE_FROM_SYSTEM |
FORMAT_MESSAGE_IGNORE_INSERTS,
NULL,
GetLastError(),
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
(LPVOID)&msg, 0,
NULL);
/* ... */
ptr = msg;
while (*ptr) {
if (*ptr == '\r') {
*ptr = 0x0000;
break;
}if (*ptr == '\r') { ... }
ptr++;
}while (*ptr) { ... }
/* ... */
LocalFree(device->last_error_str);
device->last_error_str = msg;
}{ ... }
#ifndef HIDAPI_USE_DDK
static int lookup_functions()
{
lib_handle = LoadLibraryA("hid.dll");
if (lib_handle) {
#define RESOLVE(x) x = (x##_)GetProcAddress(lib_handle, #x); if (!x) return -1;
RESOLVE(HidD_GetAttributes);
RESOLVE(HidD_GetSerialNumberString);
RESOLVE(HidD_GetManufacturerString);
RESOLVE(HidD_GetProductString);
RESOLVE(HidD_SetFeature);
RESOLVE(HidD_GetFeature);
RESOLVE(HidD_GetIndexedString);
RESOLVE(HidD_GetPreparsedData);
RESOLVE(HidD_FreePreparsedData);
RESOLVE(HidP_GetCaps);
RESOLVE(HidD_SetNumInputBuffers);
#undef RESOLVE
}if (lib_handle) { ... }
else
return -1;
return 0;
}{ ... }
/* ... */#endif
static HANDLE open_device(const char *path, BOOL enumerate)
{
HANDLE handle;
DWORD desired_access = (enumerate)? 0: (GENERIC_WRITE | GENERIC_READ);
DWORD share_mode = FILE_SHARE_READ|FILE_SHARE_WRITE;
handle = CreateFileA(path,
desired_access,
share_mode,
NULL,
OPEN_EXISTING,
FILE_FLAG_OVERLAPPED,
0);
return handle;
}{ ... }
int HID_API_EXPORT hid_init(void)
{
#ifndef HIDAPI_USE_DDK
if (!initialized) {
if (lookup_functions() < 0) {
hid_exit();
return -1;
}if (lookup_functions() < 0) { ... }
initialized = TRUE;
}if (!initialized) { ... }
/* ... */#endif
return 0;
}hid_init (void) { ... }
int HID_API_EXPORT hid_exit(void)
{
#ifndef HIDAPI_USE_DDK
if (lib_handle)
FreeLibrary(lib_handle);
lib_handle = NULL;
initialized = FALSE;/* ... */
#endif
return 0;
}hid_exit (void) { ... }
struct hid_device_info HID_API_EXPORT * HID_API_CALL hid_enumerate(unsigned short vendor_id, unsigned short product_id)
{
BOOL res;
struct hid_device_info *root = NULL;
struct hid_device_info *cur_dev = NULL;
GUID InterfaceClassGuid = {0x4d1e55b2, 0xf16f, 0x11cf, {0x88, 0xcb, 0x00, 0x11, 0x11, 0x00, 0x00, 0x30} };
SP_DEVINFO_DATA devinfo_data;
SP_DEVICE_INTERFACE_DATA device_interface_data;
SP_DEVICE_INTERFACE_DETAIL_DATA_A *device_interface_detail_data = NULL;
HDEVINFO device_info_set = INVALID_HANDLE_VALUE;
int device_index = 0;
int i;
if (hid_init() < 0)
return NULL;
memset(&devinfo_data, 0x0, sizeof(devinfo_data));
devinfo_data.cbSize = sizeof(SP_DEVINFO_DATA);
device_interface_data.cbSize = sizeof(SP_DEVICE_INTERFACE_DATA);
device_info_set = SetupDiGetClassDevsA(&InterfaceClassGuid, NULL, NULL, DIGCF_PRESENT | DIGCF_DEVICEINTERFACE);
for (;;) {
HANDLE write_handle = INVALID_HANDLE_VALUE;
DWORD required_size = 0;
HIDD_ATTRIBUTES attrib;
res = SetupDiEnumDeviceInterfaces(device_info_set,
NULL,
&InterfaceClassGuid,
device_index,
&device_interface_data);
if (!res) {
/* ... */
break;
}if (!res) { ... }
/* ... */
res = SetupDiGetDeviceInterfaceDetailA(device_info_set,
&device_interface_data,
NULL,
0,
&required_size,
NULL);
device_interface_detail_data = (SP_DEVICE_INTERFACE_DETAIL_DATA_A*) malloc(required_size);
device_interface_detail_data->cbSize = sizeof(SP_DEVICE_INTERFACE_DETAIL_DATA_A);
/* ... */
res = SetupDiGetDeviceInterfaceDetailA(device_info_set,
&device_interface_data,
device_interface_detail_data,
required_size,
NULL,
NULL);
if (!res) {
/* ... */
goto cont;
}if (!res) { ... }
/* ... */
for (i = 0; ; i++) {
char driver_name[256];
/* ... */
res = SetupDiEnumDeviceInfo(device_info_set, i, &devinfo_data);
if (!res)
goto cont;
res = SetupDiGetDeviceRegistryPropertyA(device_info_set, &devinfo_data,
SPDRP_CLASS, NULL, (PBYTE)driver_name, sizeof(driver_name), NULL);
if (!res)
goto cont;
if (strcmp(driver_name, "HIDClass") == 0) {
res = SetupDiGetDeviceRegistryPropertyA(device_info_set, &devinfo_data,
SPDRP_DRIVER, NULL, (PBYTE)driver_name, sizeof(driver_name), NULL);
if (res)
break;
}if (strcmp(driver_name, "HIDClass") == 0) { ... }
}for (i = 0; ; i++) { ... }
write_handle = open_device(device_interface_detail_data->DevicePath, TRUE);
if (write_handle == INVALID_HANDLE_VALUE) {
goto cont_close;
}if (write_handle == INVALID_HANDLE_VALUE) { ... }
attrib.Size = sizeof(HIDD_ATTRIBUTES);
HidD_GetAttributes(write_handle, &attrib);
/* ... */
if ((vendor_id == 0x0 || attrib.VendorID == vendor_id) &&
(product_id == 0x0 || attrib.ProductID == product_id)) {
#define WSTR_LEN 512
const char *str;
struct hid_device_info *tmp;
PHIDP_PREPARSED_DATA pp_data = NULL;
HIDP_CAPS caps;
BOOLEAN res;
NTSTATUS nt_res;
wchar_t wstr[WSTR_LEN];
size_t len;
tmp = (struct hid_device_info*) calloc(1, sizeof(struct hid_device_info));
if (cur_dev) {
cur_dev->next = tmp;
}if (cur_dev) { ... }
else {
root = tmp;
}else { ... }
cur_dev = tmp;
res = HidD_GetPreparsedData(write_handle, &pp_data);
if (res) {
nt_res = HidP_GetCaps(pp_data, &caps);
if (nt_res == HIDP_STATUS_SUCCESS) {
cur_dev->usage_page = caps.UsagePage;
cur_dev->usage = caps.Usage;
}if (nt_res == HIDP_STATUS_SUCCESS) { ... }
HidD_FreePreparsedData(pp_data);
}if (res) { ... }
cur_dev->next = NULL;
str = device_interface_detail_data->DevicePath;
if (str) {
len = strlen(str);
cur_dev->path = (char*) calloc(len+1, sizeof(char));
strncpy(cur_dev->path, str, len+1);
cur_dev->path[len] = '\0';
}if (str) { ... }
else
cur_dev->path = NULL;
res = HidD_GetSerialNumberString(write_handle, wstr, sizeof(wstr));
wstr[WSTR_LEN-1] = 0x0000;
if (res) {
cur_dev->serial_number = _wcsdup(wstr);
}if (res) { ... }
res = HidD_GetManufacturerString(write_handle, wstr, sizeof(wstr));
wstr[WSTR_LEN-1] = 0x0000;
if (res) {
cur_dev->manufacturer_string = _wcsdup(wstr);
}if (res) { ... }
res = HidD_GetProductString(write_handle, wstr, sizeof(wstr));
wstr[WSTR_LEN-1] = 0x0000;
if (res) {
cur_dev->product_string = _wcsdup(wstr);
}if (res) { ... }
cur_dev->vendor_id = attrib.VendorID;
cur_dev->product_id = attrib.ProductID;
cur_dev->release_number = attrib.VersionNumber;
/* ... */
cur_dev->interface_number = -1;
if (cur_dev->path) {
char *interface_component = strstr(cur_dev->path, "&mi_");
if (interface_component) {
char *hex_str = interface_component + 4;
char *endptr = NULL;
cur_dev->interface_number = strtol(hex_str, &endptr, 16);
if (endptr == hex_str) {
cur_dev->interface_number = -1;
}if (endptr == hex_str) { ... }
}if (interface_component) { ... }
}if (cur_dev->path) { ... }
}if ((vendor_id == 0x0 || attrib.VendorID == vendor_id) && (product_id == 0x0 || attrib.ProductID == product_id)) { ... }
cont_close:
CloseHandle(write_handle);
cont:
free(device_interface_detail_data);
device_index++;
}for (;;) { ... }
SetupDiDestroyDeviceInfoList(device_info_set);
return root;
}hid_enumerate (unsigned short vendor_id, unsigned short product_id) { ... }
void HID_API_EXPORT HID_API_CALL hid_free_enumeration(struct hid_device_info *devs)
{
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;
}while (d) { ... }
}hid_free_enumeration (struct hid_device_info *devs) { ... }
HID_API_EXPORT hid_device * HID_API_CALL hid_open(unsigned short vendor_id, unsigned short product_id, const wchar_t *serial_number)
{
struct hid_device_info *devs, *cur_dev;
const char *path_to_open = NULL;
hid_device *handle = NULL;
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;
}if (wcscmp(serial_number, cur_dev->serial_number) == 0) { ... }
}if (serial_number) { ... }
else {
path_to_open = cur_dev->path;
break;
}else { ... }
}if (cur_dev->vendor_id == vendor_id && cur_dev->product_id == product_id) { ... }
cur_dev = cur_dev->next;
}while (cur_dev) { ... }
if (path_to_open) {
handle = hid_open_path(path_to_open);
}if (path_to_open) { ... }
hid_free_enumeration(devs);
return handle;
}hid_open (unsigned short vendor_id, unsigned short product_id, const wchar_t *serial_number) { ... }
HID_API_EXPORT hid_device * HID_API_CALL hid_open_path(const char *path)
{
hid_device *dev;
HIDP_CAPS caps;
PHIDP_PREPARSED_DATA pp_data = NULL;
BOOLEAN res;
NTSTATUS nt_res;
if (hid_init() < 0) {
return NULL;
}if (hid_init() < 0) { ... }
dev = new_hid_device();
dev->device_handle = open_device(path, FALSE);
if (dev->device_handle == INVALID_HANDLE_VALUE) {
register_error(dev, "CreateFile");
goto err;
}if (dev->device_handle == INVALID_HANDLE_VALUE) { ... }
res = HidD_SetNumInputBuffers(dev->device_handle, 64);
if (!res) {
register_error(dev, "HidD_SetNumInputBuffers");
goto err;
}if (!res) { ... }
res = HidD_GetPreparsedData(dev->device_handle, &pp_data);
if (!res) {
register_error(dev, "HidD_GetPreparsedData");
goto err;
}if (!res) { ... }
nt_res = HidP_GetCaps(pp_data, &caps);
if (nt_res != HIDP_STATUS_SUCCESS) {
register_error(dev, "HidP_GetCaps");
goto err_pp_data;
}if (nt_res != HIDP_STATUS_SUCCESS) { ... }
dev->output_report_length = caps.OutputReportByteLength;
dev->input_report_length = caps.InputReportByteLength;
HidD_FreePreparsedData(pp_data);
dev->read_buf = (char*) malloc(dev->input_report_length);
return dev;
err_pp_data:
HidD_FreePreparsedData(pp_data);
err:
free_hid_device(dev);
return NULL;
}hid_open_path (const char *path) { ... }
int HID_API_EXPORT HID_API_CALL hid_write(hid_device *dev, const unsigned char *data, size_t length)
{
DWORD bytes_written;
BOOL res;
OVERLAPPED ol;
unsigned char *buf;
memset(&ol, 0, sizeof(ol));
/* ... */
if (length >= dev->output_report_length) {
buf = (unsigned char *) data;
}if (length >= dev->output_report_length) { ... } else {
/* ... */
buf = (unsigned char *) malloc(dev->output_report_length);
memcpy(buf, data, length);
memset(buf + length, 0, dev->output_report_length - length);
length = dev->output_report_length;
}else { ... }
res = WriteFile(dev->device_handle, buf, length, NULL, &ol);
if (!res) {
if (GetLastError() != ERROR_IO_PENDING) {
register_error(dev, "WriteFile");
bytes_written = -1;
goto end_of_function;
}if (GetLastError() != ERROR_IO_PENDING) { ... }
}if (!res) { ... }
/* ... */
res = GetOverlappedResult(dev->device_handle, &ol, &bytes_written, TRUE);
if (!res) {
register_error(dev, "WriteFile");
bytes_written = -1;
goto end_of_function;
}if (!res) { ... }
end_of_function:
if (buf != data)
free(buf);
return bytes_written;
}hid_write (hid_device *dev, const unsigned char *data, size_t length) { ... }
int HID_API_EXPORT HID_API_CALL hid_read_timeout(hid_device *dev, unsigned char *data, size_t length, int milliseconds)
{
DWORD bytes_read = 0;
size_t copy_len = 0;
BOOL res;
HANDLE ev = dev->ol.hEvent;
if (!dev->read_pending) {
dev->read_pending = TRUE;
memset(dev->read_buf, 0, dev->input_report_length);
ResetEvent(ev);
res = ReadFile(dev->device_handle, dev->read_buf, dev->input_report_length, &bytes_read, &dev->ol);
if (!res) {
if (GetLastError() != ERROR_IO_PENDING) {
/* ... */
CancelIo(dev->device_handle);
dev->read_pending = FALSE;
goto end_of_function;
}if (GetLastError() != ERROR_IO_PENDING) { ... }
}if (!res) { ... }
}if (!dev->read_pending) { ... }
if (milliseconds >= 0) {
res = WaitForSingleObject(ev, milliseconds);
if (res != WAIT_OBJECT_0) {
/* ... */
return 0;
}if (res != WAIT_OBJECT_0) { ... }
}if (milliseconds >= 0) { ... }
/* ... */
res = GetOverlappedResult(dev->device_handle, &dev->ol, &bytes_read, TRUE);
dev->read_pending = FALSE;
if (res && bytes_read > 0) {
if (dev->read_buf[0] == 0x0) {
/* ... */
bytes_read--;
copy_len = length > bytes_read ? bytes_read : length;
memcpy(data, dev->read_buf+1, copy_len);
}if (dev->read_buf[0] == 0x0) { ... }
else {
copy_len = length > bytes_read ? bytes_read : length;
memcpy(data, dev->read_buf, copy_len);
}else { ... }
}if (res && bytes_read > 0) { ... }
end_of_function:
if (!res) {
register_error(dev, "GetOverlappedResult");
return -1;
}if (!res) { ... }
return copy_len;
}hid_read_timeout (hid_device *dev, unsigned char *data, size_t length, int milliseconds) { ... }
int HID_API_EXPORT HID_API_CALL hid_read(hid_device *dev, unsigned char *data, size_t length)
{
return hid_read_timeout(dev, data, length, (dev->blocking)? -1: 0);
}hid_read (hid_device *dev, unsigned char *data, size_t length) { ... }
int HID_API_EXPORT HID_API_CALL hid_set_nonblocking(hid_device *dev, int nonblock)
{
dev->blocking = !nonblock;
return 0;
}hid_set_nonblocking (hid_device *dev, int nonblock) { ... }
int HID_API_EXPORT HID_API_CALL hid_send_feature_report(hid_device *dev, const unsigned char *data, size_t length)
{
BOOL res = HidD_SetFeature(dev->device_handle, (PVOID)data, length);
if (!res) {
register_error(dev, "HidD_SetFeature");
return -1;
}if (!res) { ... }
return length;
}hid_send_feature_report (hid_device *dev, const unsigned char *data, size_t length) { ... }
int HID_API_EXPORT HID_API_CALL hid_get_feature_report(hid_device *dev, unsigned char *data, size_t length)
{
BOOL res;
#if 0
res = HidD_GetFeature(dev->device_handle, data, length);
if (!res) {
register_error(dev, "HidD_GetFeature");
return -1;
}if (!res) { ... }
return 0; /* ... */
#else
DWORD bytes_returned;
OVERLAPPED ol;
memset(&ol, 0, sizeof(ol));
res = DeviceIoControl(dev->device_handle,
IOCTL_HID_GET_FEATURE,
data, length,
data, length,
&bytes_returned, &ol);
if (!res) {
if (GetLastError() != ERROR_IO_PENDING) {
register_error(dev, "Send Feature Report DeviceIoControl");
return -1;
}if (GetLastError() != ERROR_IO_PENDING) { ... }
}if (!res) { ... }
/* ... */
res = GetOverlappedResult(dev->device_handle, &ol, &bytes_returned, TRUE);
if (!res) {
register_error(dev, "Send Feature Report GetOverLappedResult");
return -1;
}if (!res) { ... }
/* ... */
bytes_returned++;
return bytes_returned;/* ... */
#endif
}hid_get_feature_report (hid_device *dev, unsigned char *data, size_t length) { ... }
void HID_API_EXPORT HID_API_CALL hid_close(hid_device *dev)
{
if (!dev)
return;
CancelIo(dev->device_handle);
free_hid_device(dev);
}hid_close (hid_device *dev) { ... }
int HID_API_EXPORT_CALL HID_API_CALL hid_get_manufacturer_string(hid_device *dev, wchar_t *string, size_t maxlen)
{
BOOL res;
res = HidD_GetManufacturerString(dev->device_handle, string, sizeof(wchar_t) * MIN(maxlen, MAX_STRING_WCHARS));
if (!res) {
register_error(dev, "HidD_GetManufacturerString");
return -1;
}if (!res) { ... }
return 0;
}hid_get_manufacturer_string (hid_device *dev, wchar_t *string, size_t maxlen) { ... }
int HID_API_EXPORT_CALL HID_API_CALL hid_get_product_string(hid_device *dev, wchar_t *string, size_t maxlen)
{
BOOL res;
res = HidD_GetProductString(dev->device_handle, string, sizeof(wchar_t) * MIN(maxlen, MAX_STRING_WCHARS));
if (!res) {
register_error(dev, "HidD_GetProductString");
return -1;
}if (!res) { ... }
return 0;
}hid_get_product_string (hid_device *dev, wchar_t *string, size_t maxlen) { ... }
int HID_API_EXPORT_CALL HID_API_CALL hid_get_serial_number_string(hid_device *dev, wchar_t *string, size_t maxlen)
{
BOOL res;
res = HidD_GetSerialNumberString(dev->device_handle, string, sizeof(wchar_t) * MIN(maxlen, MAX_STRING_WCHARS));
if (!res) {
register_error(dev, "HidD_GetSerialNumberString");
return -1;
}if (!res) { ... }
return 0;
}hid_get_serial_number_string (hid_device *dev, wchar_t *string, size_t maxlen) { ... }
int HID_API_EXPORT_CALL HID_API_CALL hid_get_indexed_string(hid_device *dev, int string_index, wchar_t *string, size_t maxlen)
{
BOOL res;
res = HidD_GetIndexedString(dev->device_handle, string_index, string, sizeof(wchar_t) * MIN(maxlen, MAX_STRING_WCHARS));
if (!res) {
register_error(dev, "HidD_GetIndexedString");
return -1;
}if (!res) { ... }
return 0;
}hid_get_indexed_string (hid_device *dev, int string_index, wchar_t *string, size_t maxlen) { ... }
HID_API_EXPORT const wchar_t * HID_API_CALL hid_error(hid_device *dev)
{
return (wchar_t*)dev->last_error_str;
}hid_error (hid_device *dev) { ... }
#define P32
#ifdef S11
unsigned short VendorID = 0xa0a0;
unsigned short ProductID = 0x0001;/* ... */
#endif
#ifdef P32
unsigned short VendorID = 0x04d8;
unsigned short ProductID = 0x3f;/* ... */
#endif
#ifdef PICPGM
unsigned short VendorID = 0x04d8;
unsigned short ProductID = 0x0033;/* ... */
#endif
#if 0
int __cdecl main(int argc, char* argv[])
{
int res;
unsigned char buf[65];
UNREFERENCED_PARAMETER(argc);
UNREFERENCED_PARAMETER(argv);
memset(buf,0x00,sizeof(buf));
buf[0] = 0;
buf[1] = 0x81;
int handle = open(VendorID, ProductID, L"12345");
if (handle < 0)
printf("unable to open device\n");
buf[1] = 0x80;
res = write(handle, buf, 65);
if (res < 0)
printf("Unable to write()\n");
buf[1] = 0x81;
write(handle, buf, 65);
if (res < 0)
printf("Unable to write() (2)\n");
read(handle, buf, 65);
if (res < 0)
printf("Unable to read()\n");
for (int i = 0; i < 4; i++)
printf("buf[%d]: %d\n", i, buf[i]);
return 0;
}main (int argc, char* argv[]) { ... }
/* ... */#endif
#ifdef __cplusplus
}extern "C" { ... }
#endif