BOOL DisconnectNIA(void) {
UINT ui;
UINT ret;
UINT i;
write_logfile("Disconnecting NIA");
ret=GetRegisteredRawInputDevices(NULL,&ui,sizeof(RAWINPUTDEVICE)); // get size
if (ret<=sizeof(Rid)) // if okay, get structures
GetRegisteredRawInputDevices(Rid, &ui, sizeof(RAWINPUTDEVICE));
if(ret!=(UINT)-1){
for (i=0; i<ui; i++) {
Rid[i].dwFlags = RIDEV_REMOVE; // this should disable the HID device
Rid[i].hwndTarget = NULL ;
// RawInputDeviceList[i].hDevice = NULL;
if (RegisterRawInputDevices(Rid, 1, sizeof(RAWINPUTDEVICE)) == FALSE)
report_error("Could not close NIA");
}
}
ret=GetRegisteredRawInputDevices(Rid, &ui, sizeof(RAWINPUTDEVICE));
if (ret !=0)
write_logfile("Could not disconnect NIA");
return TRUE;
}
//
// getMouseRawInputDevice
//
// Helper function that searches for a registered mouse raw input device. If
// found, the device parameter is filled with the information for the device
// and the function returns true.
//
bool getMouseRawInputDevice(RAWINPUTDEVICE& device)
{
device.usUsagePage = 0;
device.usUsage = 0;
device.dwFlags = 0;
device.hwndTarget = 0;
// get the number of raw input devices
UINT num_devices;
GetRegisteredRawInputDevices(NULL, &num_devices, sizeof(RAWINPUTDEVICE));
// create a buffer to hold the raw input device info
RAWINPUTDEVICE* devices = new RAWINPUTDEVICE[num_devices];
// look at existing registered raw input devices
GetRegisteredRawInputDevices(devices, &num_devices, sizeof(RAWINPUTDEVICE));
for (UINT i = 0; i < num_devices; i++)
{
// is there already a mouse device registered?
if (devices[i].usUsagePage == HID_USAGE_PAGE_GENERIC &&
devices[i].usUsage == HID_USAGE_GENERIC_MOUSE)
{
device.usUsagePage = devices[i].usUsagePage;
device.usUsage = devices[i].usUsage;
device.dwFlags = devices[i].dwFlags;
device.hwndTarget = devices[i].hwndTarget;
break;
}
}
delete [] devices;
return device.usUsagePage == HID_USAGE_PAGE_GENERIC &&
device.usUsage == HID_USAGE_GENERIC_MOUSE;
}
std::vector<RAWINPUTDEVICE> rawinput_registered_devices(){
UINT _num_devices;
UINT _result;
if(0 != GetRegisteredRawInputDevices(0, &_num_devices, sizeof(RAWINPUTDEVICE))){
std::cerr << "rawinput_registered_devices: 0 != GetRegisteredRawInputDevices(0, &num_devices, sizeof(RAWINPUTDEVICE))" << std::endl;
return std::vector<RAWINPUTDEVICE>();
}
std::vector<RAWINPUTDEVICE> devices(_num_devices);
_result = GetRegisteredRawInputDevices(&devices[0], &_num_devices, sizeof(RAWINPUTDEVICE));
if(-1 == _result){
std::cerr << "rawinput_registered_devices: -1 == _result" << std::endl;
return std::vector<RAWINPUTDEVICE>();
}
devices.resize(_result);
return devices;
}
BOOL ConnectNIA(HWND hDlg) {
UINT ui;
UINT ret;
ret=GetRawInputDeviceList(NULL,&ui,0);
UINT i;
int sav_pause;
write_logfile("Connecting NIA");
sav_pause=TTY.read_pause;
TTY.read_pause=1;
ret=GetRegisteredRawInputDevices(NULL,&ui,sizeof(RAWINPUTDEVICE)); // get size
if (ret<=sizeof(Rid)) // if okay, get structures
GetRegisteredRawInputDevices(Rid, &ui, sizeof(RAWINPUTDEVICE));
if (ui>0) {
write_logfile("NIA already connected!");
TTY.read_pause=sav_pause;
return (TRUE);
}
m_hNIA[0]=NULL;
m_hNIA[1]=NULL;
ui=20;
ret=GetRawInputDeviceList(&RawInputDeviceList[0],&ui,sizeof(RAWINPUTDEVICELIST));
if(ret!=(UINT)-1)
{
RID_DEVICE_INFO dev_info ;
TCHAR strName[300];
m_nCountNIA = 0;
for(i=0;i<ret;i++)
{
if(i>=20) break;
dev_info.cbSize=sizeof(RID_DEVICE_INFO);
ui=sizeof(RID_DEVICE_INFO);
GetRawInputDeviceInfo(RawInputDeviceList[i].hDevice,RIDI_DEVICEINFO,&dev_info,&ui);
ui=300;
GetRawInputDeviceInfo(RawInputDeviceList[i].hDevice,RIDI_DEVICENAME,strName,&ui);
if(dev_info.hid.dwVendorId==0x1234 /*&& dev_info.hid.dwProductId==0*/)
{
if(m_nCountNIA>=2) break; // nur an dieser Stelle vorbereitet!
m_hNIA[m_nCountNIA]=RawInputDeviceList[i].hDevice;
Rid[m_nCountNIA].usUsagePage = 0xFF00;
Rid[m_nCountNIA].usUsage = 0xFF01;
Rid[m_nCountNIA].dwFlags = RIDEV_INPUTSINK; // this enables the caller to receive the input even when the caller is not in the foreground. Note that hwndTarget must be specified.
Rid[m_nCountNIA].hwndTarget = ghWndMain ; // directs Data to main Thread !!
m_nCountNIA++; // ToDo: für 2 NIA Devices 2! Channels in Amplifier??? (not tested yet!)
}
}
} else {
TTY.read_pause=sav_pause;
return (FALSE) ;
}
if(m_nCountNIA>0)
{
if (RegisterRawInputDevices(Rid, m_nCountNIA, sizeof(RAWINPUTDEVICE)) == FALSE) {
write_logfile("Could not register NIA");
report_error("Could not register NIA");
TTY.read_pause=sav_pause;
return FALSE;
} else {
if (hDlg!=NULL) {
SetDlgItemText( hDlg, IDC_PORTCOMBO, "none") ;
TTY.read_pause=sav_pause;
return TRUE;
}
}
}
TTY.read_pause=sav_pause;
return FALSE;
}
