stk-code_catmod/lib/wiiuse/os_win.c

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/*
* wiiuse
*
* Written By:
* Michael Laforest < para >
* Email: < thepara (--AT--) g m a i l [--DOT--] com >
*
* Copyright 2006-2007
*
* This file is part of wiiuse.
*
* 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 3 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/>.
*
* $Header$
*
*/
/**
* @file
* @brief Handles device I/O for Windows.
*/
#include "io.h"
#include "events.h"
#include "os.h"
#ifdef WIIUSE_WIN32
#include <stdlib.h>
#include <hidsdi.h>
#include <setupapi.h>
#ifdef __MINGW32__
/* this prototype is missing from the mingw headers so we must add it
or suffer linker errors. */
# ifdef __cplusplus
extern "C" {
# endif
WINHIDSDI BOOL WINAPI HidD_SetOutputReport(HANDLE, PVOID, ULONG);
# ifdef __cplusplus
}
# endif
#endif
int wiiuse_os_find(struct wiimote_t** wm, int max_wiimotes, int timeout) {
GUID device_id;
HANDLE dev;
HDEVINFO device_info;
int i, index;
DWORD len;
SP_DEVICE_INTERFACE_DATA device_data;
PSP_DEVICE_INTERFACE_DETAIL_DATA detail_data = NULL;
HIDD_ATTRIBUTES attr;
int found = 0;
(void) timeout; /* unused */
device_data.cbSize = sizeof(device_data);
index = 0;
/* get the device id */
HidD_GetHidGuid(&device_id);
/* get all hid devices connected */
device_info = SetupDiGetClassDevs(&device_id, NULL, NULL, (DIGCF_DEVICEINTERFACE | DIGCF_PRESENT));
for (;; ++index) {
if (detail_data) {
free(detail_data);
detail_data = NULL;
}
/* query the next hid device info */
if (!SetupDiEnumDeviceInterfaces(device_info, NULL, &device_id, index, &device_data)) {
break;
}
/* get the size of the data block required */
i = SetupDiGetDeviceInterfaceDetail(device_info, &device_data, NULL, 0, &len, NULL);
detail_data = (SP_DEVICE_INTERFACE_DETAIL_DATA_A*)malloc(len);
detail_data->cbSize = sizeof(SP_DEVICE_INTERFACE_DETAIL_DATA);
/* query the data for this device */
if (!SetupDiGetDeviceInterfaceDetail(device_info, &device_data, detail_data, len, NULL, NULL)) {
continue;
}
/* open the device */
dev = CreateFile(detail_data->DevicePath,
(GENERIC_READ | GENERIC_WRITE),
(FILE_SHARE_READ | FILE_SHARE_WRITE),
NULL, OPEN_EXISTING, FILE_FLAG_OVERLAPPED, NULL);
if (dev == INVALID_HANDLE_VALUE) {
continue;
}
/* get device attributes */
attr.Size = sizeof(attr);
i = HidD_GetAttributes(dev, &attr);
if ((attr.VendorID == WM_VENDOR_ID) && (attr.ProductID == WM_PRODUCT_ID || attr.ProductID == WM_PLUS_PRODUCT_ID)) {
/* this is a wiimote */
wm[found]->dev_handle = dev;
if(attr.ProductID == WM_PLUS_PRODUCT_ID)
wm[found]->type = WIIUSE_WIIMOTE_MOTION_PLUS_INSIDE;
wm[found]->hid_overlap.hEvent = CreateEvent(NULL, 1, 1, "");
wm[found]->hid_overlap.Offset = 0;
wm[found]->hid_overlap.OffsetHigh = 0;
WIIMOTE_ENABLE_STATE(wm[found], WIIMOTE_STATE_DEV_FOUND);
WIIMOTE_ENABLE_STATE(wm[found], WIIMOTE_STATE_CONNECTED);
/* try to set the output report to see if the device is actually connected */
if (!wiiuse_set_report_type(wm[found])) {
WIIMOTE_DISABLE_STATE(wm[found], WIIMOTE_STATE_CONNECTED);
continue;
}
/* do the handshake */
wiiuse_handshake(wm[found], NULL, 0);
WIIUSE_INFO("Connected to wiimote [id %i].", wm[found]->unid);
++found;
if (found >= max_wiimotes) {
break;
}
} else {
/* not a wiimote */
CloseHandle(dev);
}
}
if (detail_data) {
free(detail_data);
}
SetupDiDestroyDeviceInfoList(device_info);
return found;
}
int wiiuse_os_connect(struct wiimote_t** wm, int wiimotes) {
int connected = 0;
int i = 0;
for (; i < wiimotes; ++i) {
if (!wm[i]) {
continue;
}
if (WIIMOTE_IS_SET(wm[i], WIIMOTE_STATE_CONNECTED)) {
++connected;
}
}
return connected;
}
void wiiuse_os_disconnect(struct wiimote_t* wm) {
if (!wm || WIIMOTE_IS_CONNECTED(wm)) {
return;
}
CloseHandle(wm->dev_handle);
wm->dev_handle = 0;
ResetEvent(&wm->hid_overlap);
wm->event = WIIUSE_NONE;
WIIMOTE_DISABLE_STATE(wm, WIIMOTE_STATE_CONNECTED);
WIIMOTE_DISABLE_STATE(wm, WIIMOTE_STATE_HANDSHAKE);
}
int wiiuse_os_poll(struct wiimote_t** wm, int wiimotes) {
int i;
byte read_buffer[MAX_PAYLOAD];
int evnt = 0;
if (!wm) {
return 0;
}
for (i = 0; i < wiimotes; ++i) {
wm[i]->event = WIIUSE_NONE;
/* clear out the buffer */
memset(read_buffer, 0, sizeof(read_buffer));
/* read */
if (wiiuse_os_read(wm[i], read_buffer, sizeof(read_buffer))) {
/* propagate the event */
propagate_event(wm[i], read_buffer[0], read_buffer + 1);
evnt += (wm[i]->event != WIIUSE_NONE);
} else {
/* send out any waiting writes */
wiiuse_send_next_pending_write_request(wm[i]);
idle_cycle(wm[i]);
}
}
return evnt;
}
int wiiuse_os_read(struct wiimote_t* wm, byte* buf, int len) {
DWORD b, r;
if (!wm || !WIIMOTE_IS_CONNECTED(wm)) {
return 0;
}
if (!ReadFile(wm->dev_handle, buf, len, &b, &wm->hid_overlap)) {
/* partial read */
b = GetLastError();
if ((b == ERROR_HANDLE_EOF) || (b == ERROR_DEVICE_NOT_CONNECTED)) {
/* remote disconnect */
wiiuse_disconnected(wm);
return 0;
}
r = WaitForSingleObject(wm->hid_overlap.hEvent, wm->timeout);
if (r == WAIT_TIMEOUT) {
/* timeout - cancel and continue */
if (*buf) {
WIIUSE_WARNING("Packet ignored. This may indicate a problem (timeout is %i ms).", wm->timeout);
}
CancelIo(wm->dev_handle);
ResetEvent(wm->hid_overlap.hEvent);
return 0;
} else if (r == WAIT_FAILED) {
WIIUSE_WARNING("A wait error occurred on reading from wiimote %i.", wm->unid);
return 0;
}
if (!GetOverlappedResult(wm->dev_handle, &wm->hid_overlap, &b, 0)) {
return 0;
}
/* log the received data */
#ifdef WITH_WIIUSE_DEBUG
{
DWORD i;
printf("[DEBUG] (id %i) RECV: (%.2x) ", wm->unid, buf[0]);
for (i = 1; i < b; i++) {
printf("%.2x ", buf[i]);
}
printf("\n");
}
#endif
}
ResetEvent(wm->hid_overlap.hEvent);
return 1;
}
int wiiuse_os_write(struct wiimote_t* wm, byte report_type, byte* buf, int len) {
DWORD bytes;
int i;
byte write_buffer[MAX_PAYLOAD];
if (!wm || !WIIMOTE_IS_CONNECTED(wm)) {
return 0;
}
write_buffer[0] = report_type;
memcpy(write_buffer + 1, buf, len);
switch (wm->stack) {
case WIIUSE_STACK_UNKNOWN: {
/* try to auto-detect the stack type */
if (i = WriteFile(wm->dev_handle, write_buffer, 22, &bytes, &wm->hid_overlap)) {
/* bluesoleil will always return 1 here, even if it's not connected */
wm->stack = WIIUSE_STACK_BLUESOLEIL;
return i;
}
if (i = HidD_SetOutputReport(wm->dev_handle, write_buffer, len + 1)) {
wm->stack = WIIUSE_STACK_MS;
return i;
}
WIIUSE_ERROR("Unable to determine bluetooth stack type.");
return 0;
}
case WIIUSE_STACK_MS:
return HidD_SetOutputReport(wm->dev_handle, write_buffer, len + 1);
case WIIUSE_STACK_BLUESOLEIL:
return WriteFile(wm->dev_handle, write_buffer, 22, &bytes, &wm->hid_overlap);
}
return 0;
}
void wiiuse_init_platform_fields(struct wiimote_t* wm) {
wm->dev_handle = 0;
wm->stack = WIIUSE_STACK_UNKNOWN;
wm->normal_timeout = WIIMOTE_DEFAULT_TIMEOUT;
wm->exp_timeout = WIIMOTE_EXP_TIMEOUT;
wm->timeout = wm->normal_timeout;
}
void wiiuse_cleanup_platform_fields(struct wiimote_t* wm) {
wm->dev_handle = 0;
}
#endif /* ifdef WIIUSE_WIN32 */