* mouse.c
* - USB Mouse driver
*/
-#define DEBUG 1
+#define DEBUG 0
#include <acess.h>
#include "hid_reports.h"
-#include <fs_devfs.h>
-#include <api_drv_joystick.h>
+#include <Input/Mouse/include/mouse.h>
// === CONSTANTS ===
#define MAX_AXIES 3 // X, Y, Scroll
#define MAX_BUTTONS 5 // Left, Right, Middle, ...
-#define FILE_SIZE (sizeof(tJoystick_FileHeader) + MAX_AXIES*sizeof(tJoystick_Axis) + MAX_BUTTONS)
// === TYPES ===
typedef struct sHID_Mouse tHID_Mouse;
tHID_Mouse *Next;
tUSB_DataCallback DataAvail;
- tVFS_Node Node;
- int CollectionDepth;
-
- Uint8 FileData[ FILE_SIZE ];
- tJoystick_FileHeader *FileHeader;
- tJoystick_Axis *Axies;
- Uint8 *Buttons;
+ tMouse *Handle;
- Uint16 AxisLimits[MAX_AXIES];
-
+ // - Report parsing
int nMappings;
struct {
Uint8 Dest; // 0x00-0x7F = Buttons, 0x80-0xFE = Axies, 0xFF = Ignore
Uint8 BitSize;
} *Mappings;
+
+ // - Initialisation only data
+ int CollectionDepth;
};
// === PROTOTYES ===
-char *HID_Mouse_Root_ReadDir(tVFS_Node *Node, int Pos);
-tVFS_Node *HID_Mouse_Root_FindDir(tVFS_Node *Node, const char *Name);
-Uint64 HID_Mouse_Dev_Read(tVFS_Node *Node, Uint64 Offset, Uint64 Length, void *Buffer);
- int HID_Mouse_Dev_IOCtl(tVFS_Node *Node, int ID, void *Data);
-void HID_Mouse_Dev_Reference(tVFS_Node *Node);
-void HID_Mouse_Dev_Close(tVFS_Node *Node);
-
+Sint32 _ReadBits(void *Data, int Offset, int Length);
void HID_Mouse_DataAvail(tUSBInterface *Dev, int EndPt, int Length, void *Data);
tHID_ReportCallbacks *HID_Mouse_Report_Collection(tUSBInterface *Dev, tHID_ReportGlobalState *Global, tHID_ReportLocalState *Local, Uint32 Value);
void HID_Mouse_Report_Input(tUSBInterface *Dev, tHID_ReportGlobalState *Global, tHID_ReportLocalState *Local, Uint32 Value);
// === GLOBALS ===
-tVFS_NodeType gHID_Mouse_RootNodeType = {
- .TypeName = "HID Mouse Root",
- .ReadDir = HID_Mouse_Root_ReadDir,
- .FindDir = HID_Mouse_Root_FindDir
-};
-tVFS_NodeType gHID_Mouse_DevNodeType = {
- .TypeName = "HID Mouse Dev",
- .Read = HID_Mouse_Dev_Read,
- .IOCtl = HID_Mouse_Dev_IOCtl,
- .Reference = HID_Mouse_Dev_Reference,
- .Close = HID_Mouse_Dev_Close,
-};
-tDevFS_Driver gHID_Mouse_DevFS = {
- .Name = "USBMouse",
- .RootNode = {.Type = &gHID_Mouse_RootNodeType}
-};
tHID_ReportCallbacks gHID_Mouse_ReportCBs = {
.Collection = HID_Mouse_Report_Collection,
.EndCollection = HID_Mouse_Report_EndCollection,
tHID_Mouse *gpHID_LastMouse = (tHID_Mouse*)&gpHID_FirstMouse;
// === CODE ===
-// ----------------------------------------------------------------------------
-// VFS Interface
-// ----------------------------------------------------------------------------
-char *HID_Mouse_Root_ReadDir(tVFS_Node *Node, int Pos)
-{
- char data[3];
- if(Pos < 0 || Pos >= Node->Size) return NULL;
-
- snprintf(data, 3, "%i", Pos);
- return strdup(data);
-}
-
-tVFS_Node *HID_Mouse_Root_FindDir(tVFS_Node *Node, const char *Name)
-{
- int ID;
- int ofs;
- tHID_Mouse *mouse;
-
- if( Name[0] == '\0' )
- return NULL;
-
- ofs = ParseInt(Name, &ID);
- if( ofs == 0 || Name[ofs] != '\0' )
- return NULL;
-
- // Scan list, locate item
- Mutex_Acquire(&glHID_MouseListLock);
- for( mouse = gpHID_FirstMouse; mouse && ID --; mouse = mouse->Next ) ;
- mouse->Node.ReferenceCount ++;
- Mutex_Release(&glHID_MouseListLock);
-
- return &mouse->Node;
-}
-
-Uint64 HID_Mouse_Dev_Read(tVFS_Node *Node, Uint64 Offset, Uint64 Length, void *Buffer)
-{
- tHID_Mouse *info = Node->ImplPtr;
-
- if( Offset > FILE_SIZE ) return 0;
-
- if( Length > FILE_SIZE ) Length = FILE_SIZE;
- if( Offset + Length > FILE_SIZE ) Length = FILE_SIZE - Offset;
-
- memcpy( Buffer, info->FileData + Offset, Length );
-
- return Length;
-}
-
-static const char *csaDevIOCtls[] = {DRV_IOCTLNAMES, DRV_JOY_IOCTLNAMES, NULL};
-int HID_Mouse_Dev_IOCtl(tVFS_Node *Node, int ID, void *Data)
-{
- switch(ID)
- {
- BASE_IOCTLS(DRV_TYPE_JOYSTICK, "USBMouse", 0x050, csaDevIOCtls);
- }
- return -1;
-}
-void HID_Mouse_Dev_Reference(tVFS_Node *Node)
-{
- Node->ReferenceCount ++;
-}
-void HID_Mouse_Dev_Close(tVFS_Node *Node)
-{
- Node->ReferenceCount --;
-}
-
// ----------------------------------------------------------------------------
// Data input / Update
// ----------------------------------------------------------------------------
+/**
+ * \brief Read a set amounts of bits from a stream
+ * \param Data Base of data
+ * \param Offset Bit offset
+ * \param Length Number of bits to read
+ * \return Sign-extended value
+ */
Sint32 _ReadBits(void *Data, int Offset, int Length)
{
int dest_ofs = 0;
+ int rem = Length;
Uint32 rv = 0;
Uint8 *bytes = (Uint8*)Data + Offset / 8;
-
+
+ // Sanity please
+ if( Length > 32 ) return 0;
+
// Leading byte
if( Offset & 7 )
{
rv = (*bytes >> Offset);
dest_ofs = Offset & 7;
- Length -= Offset & 7;
+ rem = Length - (Offset & 7);
bytes ++;
}
// Body bytes
- while( Length >= 8 )
+ while( rem >= 8 )
{
rv |= *bytes << dest_ofs;
dest_ofs += 8;
- Length -= 8;
+ rem -= 8;
bytes ++;
}
- if( Length )
+ if( rem )
{
- rv |= (*bytes & ((1 << Length)-1)) << dest_ofs;
-
+ rv |= (*bytes & ((1 << rem)-1)) << dest_ofs;
}
// Do sign extension
return rv;
}
+/**
+ * \brief Handle an update from the device
+ */
void HID_Mouse_DataAvail(tUSBInterface *Dev, int EndPt, int Length, void *Data)
{
tHID_Mouse *info;
int ofs;
+ Uint32 button_value = 0;
+ int axis_values[MAX_AXIES] = {0};
info = USB_GetDeviceDataPtr(Dev);
if( !info ) return ;
- Log_Debug("USBMouse", "info = %p", info);
-
ofs = 0;
for( int i = 0; i < info->nMappings; i ++ )
{
return ;
value = _ReadBits(Data, ofs, info->Mappings[i].BitSize);
+ LOG("%i+%i: value = %i", ofs, info->Mappings[i].BitSize, value);
ofs += info->Mappings[i].BitSize;
if( dest == 0xFF ) continue ;
if( dest & 0x80 )
{
// Axis
- info->Axies[ dest & 0x7F ].CurValue = value;
+ axis_values[ dest & 0x7F ] = value;
+ LOG("Axis %i = %i", dest & 0x7F, value);
}
else
{
// Button
- info->Buttons[ dest & 0x7F ] = (value == 0) ? 0 : 0xFF;
+ if( value == 0 )
+ ;
+ else
+ button_value |= 1 << (dest & 0x7F);
}
}
- // Update axis positions
- for( int i = 0; i < MAX_AXIES; i ++ )
- {
- int newpos;
-
- // TODO: Scaling
- newpos = info->Axies[i].CursorPos + info->Axies[i].CurValue;
-
- if(newpos < 0) newpos = 0;
- if(newpos > info->AxisLimits[i]) newpos = info->AxisLimits[i];
-
- info->Axies[i].CursorPos = newpos;
- }
- Log_Debug("USBMouse", "New Pos (%i,%i,%i)",
- info->Axies[0].CursorPos, info->Axies[1].CursorPos, info->Axies[2].CursorPos
- );
+ Mouse_HandleEvent(info->Handle, button_value, axis_values);
}
// ----------------------------------------------------------------------------
// Device initialisation
// ----------------------------------------------------------------------------
/**
+ * \brief Handle the opening of a collection
*/
tHID_ReportCallbacks *HID_Mouse_Report_Collection(
tUSBInterface *Dev,
// New device!
info = calloc( sizeof(tHID_Mouse), 1 );
info->DataAvail = HID_Mouse_DataAvail;
- info->Node.ImplPtr = info;
- info->Node.Type = &gHID_Mouse_DevNodeType;
-
- info->FileHeader = (void*)info->FileData;
- info->Axies = (void*)(info->FileHeader + 1);
- info->Buttons = (void*)(info->Axies + MAX_AXIES);
+
+ info->Handle = Mouse_Register("USBMouse", MAX_BUTTONS, MAX_AXIES);
LOG("Initialised new mouse at %p", info);
return &gHID_Mouse_ReportCBs;
}
+/**
+ * \brief Handle the end of a collection
+ */
void HID_Mouse_Report_EndCollection(tUSBInterface *Dev)
{
tHID_Mouse *info;
Mutex_Acquire(&glHID_MouseListLock);
gpHID_LastMouse->Next = info;
gpHID_LastMouse = info;
- gHID_Mouse_DevFS.RootNode.Size ++;
Mutex_Release(&glHID_MouseListLock);
}
else
}
}
+/**
+ * \brief Add a new input mapping
+ */
void HID_int_AddInput(tUSBInterface *Dev, Uint32 Usage, Uint8 Size, Uint32 Min, Uint32 Max)
{
Uint8 tag;
return ;
}
+ // --- Get the destination for the field ---
switch(Usage)
{
case 0x00010030: tag = 0x80; break; // Generic Desktop - X
default: tag = 0xFF; break;
}
+ LOG("Usage = 0x%08x, tag = 0x%2x", Usage, tag);
+
+ // --- Add to list of mappings ---
info->nMappings ++;
info->Mappings = realloc(info->Mappings, info->nMappings * sizeof(info->Mappings[0]));
// TODO: NULL check
-
info->Mappings[ info->nMappings - 1].Dest = tag;
info->Mappings[ info->nMappings - 1].BitSize = Size;
- if( tag != 0xFF && (tag & 0x80) )
- {
- info->Axies[ tag & 0x7F ].MinValue = Min;
- info->Axies[ tag & 0x7F ].MaxValue = Max;
- }
+ // --- Update Min/Max for Axies ---
+ // TODO: DPI too
+ // TODO: Pass to mouse multiplexer
+// if( tag != 0xFF && (tag & 0x80) )
+// {
+// info->Axies[ tag & 0x7F ].MinValue = Min;
+// info->Axies[ tag & 0x7F ].MaxValue = Max;
+// }
}
+/**
+ * \brief Handle an input item in a report
+ */
void HID_Mouse_Report_Input(
tUSBInterface *Dev,
tHID_ReportGlobalState *Global, tHID_ReportLocalState *Local,
)
{
Uint32 usage = 0;
+ LOG("Local->Usages.nItems = %i", Local->Usages.nItems);
for( int i = 0; i < Global->ReportCount; i ++ )
{
+ // - Update usage
if( i < Local->Usages.nItems )
usage = Local->Usages.Items[i];
+ LOG("%i: usage = %x", i, usage);
+ // - Add to list
HID_int_AddInput(Dev, usage, Global->ReportSize, Global->LogMin, Global->LogMax);
}
}