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Add support for Mouse Scrollwheel to the MouseHostWithParser demos.

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This commit is contained in:
Dean Camera 2009-11-04 05:18:43 +00:00
parent 87b2572ae5
commit ba8ffa4cb7
17 changed files with 70 additions and 34 deletions
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15
Demos/Host/ClassDriver/MouseHostWithParser/MouseHostWithParser.c
View file

@ -141,6 +141,21 @@ int main(void)
if (ReportItem->Value)
LEDMask = LEDS_ALL_LEDS;
}
else if ((ReportItem->Attributes.Usage.Page == USAGE_PAGE_GENERIC_DCTRL) &&
(ReportItem->Attributes.Usage.Usage == USAGE_SCROLL_WHEEL) &&
(ReportItem->ItemType == REPORT_ITEM_TYPE_In))
{
/* Get the mouse wheel value if it is contained within the current
* report, if not, skip to the next item in the parser list
*/
if (!(USB_GetHIDReportItemInfo(MouseReport, ReportItem)))
continue;
int16_t WheelDelta = (int16_t)(ReportItem->Value << (16 - ReportItem->Attributes.BitSize));
if (WheelDelta)
LEDMask = (LEDS_LED1 | LEDS_LED2 | ((WheelDelta > 0) ? LEDS_LED3 : LEDS_LED4));
}
else if ((ReportItem->Attributes.Usage.Page == USAGE_PAGE_GENERIC_DCTRL) &&
((ReportItem->Attributes.Usage.Usage == USAGE_X) ||
(ReportItem->Attributes.Usage.Usage == USAGE_Y)) &&

3
Demos/Host/ClassDriver/MouseHostWithParser/MouseHostWithParser.h
View file

@ -78,6 +78,9 @@
/** HID Report Descriptor Usage value for a Y axis movement */
#define USAGE_Y 0x31
/** HID Report Descriptor Usage value for a Scroll Wheel movement */
#define USAGE_SCROLL_WHEEL 0x38
/* Function Prototypes: */
void SetupHardware(void);

8
Demos/Host/ClassDriver/MouseHostWithParser/MouseHostWithParser.txt
View file

@ -47,10 +47,10 @@
* reports, allowing for correct operation across all USB mice. This
* demo supports mice with a single HID report.
*
* Mouse movement and button presses are displayed on the board LEDs.
* On connection to a USB mouse, the report items will be processed and
* printed as a formatted list through the USART before the mouse is
* fully enumerated.
* Mouse and scroll wheel movement and button presses are displayed
* on the board LEDs. On connection to a USB mouse, the report items
* will be processed and printed as a formatted list through the USART
* before the mouse is fully enumerated.
*
* Currently only single interface mice are supported.
*