status_t
HIDReport::SendReport()
{
size_t reportSize = ReportSize();
uint8 *report = (uint8 *)malloc(reportSize);
if (report == NULL)
return B_NO_MEMORY;
fCurrentReport = report;
memset(fCurrentReport, 0, reportSize);
for (uint32 i = 0; i < fItemsUsed; i++) {
HIDReportItem *item = fItems[i];
if (item == NULL)
continue;
item->Insert();
}
status_t result = fParser->Device()->SendReport(this);
fCurrentReport = NULL;
free(report);
return result;
}
Usage(USB_HID_POINTER),
Collection(USB_HID_PHYSICAL),
//
// The buttons.
//
UsagePage(USB_HID_BUTTONS),
UsageMinimum(1),
UsageMaximum(3),
LogicalMinimum(0),
LogicalMaximum(1),
//
// 3 - 1 bit values for the buttons.
//
ReportSize(1),
ReportCount(3),
Input(USB_HID_INPUT_DATA | USB_HID_INPUT_VARIABLE |
USB_HID_INPUT_ABS),
//
// 1 - 5 bit unused constant value to fill the 8 bits.
//
ReportSize(5),
ReportCount(1),
Input(USB_HID_INPUT_CONSTANT | USB_HID_INPUT_ARRAY |
USB_HID_INPUT_ABS),
//
// The X and Y axis.
//
//
// The following is the HID report structure definition that is passed back
// to the host.
//
//*****************************************************************************
static const uint8_t g_pui8KeybReportDescriptor[] =
{
UsagePage(USB_HID_GENERIC_DESKTOP),
Usage(USB_HID_KEYBOARD),
Collection(USB_HID_APPLICATION),
//
// Modifier keys.
// 8 - 1 bit values indicating the modifier keys (ctrl, shift...)
//
ReportSize(1),
ReportCount(8),
UsagePage(USB_HID_USAGE_KEYCODES),
UsageMinimum(224),
UsageMaximum(231),
LogicalMinimum(0),
LogicalMaximum(1),
Input(USB_HID_INPUT_DATA | USB_HID_INPUT_VARIABLE | USB_HID_INPUT_ABS),
//
// One byte of rsvd data required by HID spec.
//
ReportCount(1),
ReportSize(8),
Input(USB_HID_INPUT_CONSTANT),
{
UsagePage(USB_HID_GENERIC_DESKTOP),
Usage(USB_HID_GAMEPAD),
Collection(USB_HID_APPLICATION),
Collection(USB_HID_PHYSICAL),
ReportID(1),
//
// The X and Y (Will appear as two thumb controls).
//
UsagePage(USB_HID_GENERIC_DESKTOP),
Usage(USB_HID_X),
Usage(USB_HID_Y),
LogicalMinimum(-1),
LogicalMaximum(1),
ReportSize(2),
ReportCount(2),
Input(USB_HID_INPUT_DATA | USB_HID_INPUT_VARIABLE | USB_HID_INPUT_ABS | USB_HID_INPUT_NONULL),
ReportCount(4),
ReportSize(1),
Input(USB_HID_INPUT_CONSTANT | USB_HID_INPUT_ARRAY | USB_HID_INPUT_ABS),
//
// 12 - 1 bit values for the first set of buttons.
//
UsagePage(USB_HID_BUTTONS),
UsageMinimum(1),
UsageMaximum(12),
LogicalMinimum(0),
LogicalMaximum(1),
UsagePageVendor(0xff00),
// 0x09, 0x01,
// Arbitrary number as we are vendor specific
Usage(0x01),
// 0xa1, 0x01,
Collection(USB_HID_APPLICATION),
// 0x85, 0x3f,
// Vendor specific. Appears arbitrary.
// ID can be left undefined if only one report type is created
// 0x95, 0x3f,
// The number of items in the report
ReportCount(HID_PACKET_SIZE),
// 0x75, 0x08,
// As this is just generic data, 8 bits in a byte
ReportSize(0x08),
0x26, 0xff, 0x00,
// LogicalMaximum(0xff00),
// 0x15, 0x01,
LogicalMinimum(0),
// 0x09, 0x80,
// Arbitrary number as we are vendor specific
Usage(0x01),
// 0x81, 0x02, Input (Data,Var,Abs)
// This shows we are describing the report that goes to the host
Input(USB_HID_INPUT_DATA | USB_HID_INPUT_VARIABLE | USB_HID_INPUT_ABS),
// Second report, same except it's output
ReportCount(HID_PACKET_SIZE),
ReportSize(0x08),
// LogicalMaximum(127),
0x26, 0xff, 0x00,
// The axis for the controller.
//
UsagePage(USB_HID_GENERIC_DESKTOP),
Usage (USB_HID_POINTER),
Collection (USB_HID_PHYSICAL),
//
// The X, Y, RX, and RY values which are specified as 8-bit
// absolute position values.
//
Usage(USB_HID_X),
//
// 4 8-bit absolute values.
//
ReportSize(10),
ReportCount(1),
Input(USB_HID_INPUT_DATA | USB_HID_INPUT_VARIABLE |
USB_HID_INPUT_ABS),
ReportCount(1),
ReportSize(6),
Input(USB_HID_INPUT_CONSTANT),
Usage (USB_HID_Y),
ReportSize(10),
ReportCount(1),
Input(USB_HID_INPUT_DATA | USB_HID_INPUT_VARIABLE |
USB_HID_INPUT_ABS),
ReportCount(1),
//*****************************************************************************
//
// The report descriptor for the volume class device. (Built off CustomHid example)
//
//*****************************************************************************
static const uint8_t g_pui8CustomHidReportDescriptor[] =
{
UsagePage(USB_HID_CONSUMER_DEVICE),
Usage(USB_HID_USAGE_CONSUMER_CONTROL),
Collection(USB_HID_APPLICATION),
LogicalMinimum(0),
LogicalMaximum(1),
Usage(USB_HID_VOLUME_UP),
Usage(USB_HID_VOLUME_DOWN),
ReportSize(1),
ReportCount(2),
Input(USB_HID_INPUT_DATA | USB_HID_INPUT_VARIABLE | USB_HID_INPUT_RELATIVE),
ReportCount(6),
Input(USB_HID_INPUT_CONSTANT | USB_HID_INPUT_ARRAY | USB_HID_INPUT_ABS),
EndCollection,
};
//*****************************************************************************
//
// The HID descriptor for the customhid device.
//
//*****************************************************************************
static const tHIDDescriptor g_sCustomHidHIDDescriptor =
{
9, // bLength
