add mouse wheel function.

1 files changed, 42 insertions, 26 deletions

diff --git a/usb.c b/usb.c
index c910a977ed..879c2becc9 100644
--- a/usb.c
+++ b/usb.c
@@ -28,6 +28,7 @@
 #include "usb_keyboard.h"
 #include "usb_mouse.h"
 #include "usb_debug.h"
+#include "print.h"
 
 
 /**************************************************************************
@@ -145,33 +146,36 @@ static uint8_t PROGMEM keyboard_hid_report_desc[] = {
 };
 
 // Mouse Protocol 1, HID 1.11 spec, Appendix B, page 59-60, with wheel extension
+// http://www.microchip.com/forums/tm.aspx?high=&m=391435&mpage=1#391521
+// http://www.keil.com/forum/15671/
+// http://www.microsoft.com/whdc/device/input/wheel.mspx
 static uint8_t PROGMEM mouse_hid_report_desc[] = {
-	0x05, 0x01,			// Usage Page (Generic Desktop)
-	0x09, 0x02,			// Usage (Mouse)
-	0xA1, 0x01,			// Collection (Application)
-	0x05, 0x09,			//   Usage Page (Button)
-	0x19, 0x01,			//   Usage Minimum (Button #1)
-	0x29, 0x03,			//   Usage Maximum (Button #3)
-	0x15, 0x00,			//   Logical Minimum (0)
-	0x25, 0x01,			//   Logical Maximum (1)
-	0x95, 0x03,			//   Report Count (3)
-	0x75, 0x01,			//   Report Size (1)
-	0x81, 0x02,			//   Input (Data, Variable, Absolute)
-	0x95, 0x01,			//   Report Count (1)
-	0x75, 0x05,			//   Report Size (5)
-	0x81, 0x03,			//   Input (Constant)
-	0x05, 0x01,			//   Usage Page (Generic Desktop)
-	0x09, 0x30,			//   Usage (X)
-	0x09, 0x31,			//   Usage (Y)
-	0x15, 0x81,			//   Logical Minimum (-127)
-	0x25, 0x7F,			//   Logical Maximum (127)
-	0x75, 0x08,			//   Report Size (8),
-	0x95, 0x02,			//   Report Count (2),
-	0x81, 0x06,			//   Input (Data, Variable, Relative)
-	0x09, 0x38,			//   Usage (Wheel)
-	0x95, 0x01,			//   Report Count (1),
-	0x81, 0x06,			//   Input (Data, Variable, Relative)
-	0xC0				// End Collection
+    0x05, 0x01,                     // Usage Page (Generic Desktop)
+    0x09, 0x02,                     // Usage (Mouse)
+    0xA1, 0x01,                     // Collection (Application)
+    0x05, 0x09,                     //   Usage Page (Button)
+    0x19, 0x01,                     //   Usage Minimum (Button #1)
+    0x29, 0x03,                     //   Usage Maximum (Button #3)
+    0x15, 0x00,                     //   Logical Minimum (0)
+    0x25, 0x01,                     //   Logical Maximum (1)
+    0x95, 0x03,                     //   Report Count (3)
+    0x75, 0x01,                     //   Report Size (1)
+    0x81, 0x02,                     //   Input (Data, Variable, Absolute)
+    0x95, 0x01,                     //   Report Count (1)
+    0x75, 0x05,                     //   Report Size (5)
+    0x81, 0x03,                     //   Input (Constant)
+    0x05, 0x01,                     //   Usage Page (Generic Desktop)
+    0x09, 0x30,                     //   Usage (X)
+    0x09, 0x31,                     //   Usage (Y)
+    0x15, 0x81,                     //   Logical Minimum (-127)
+    0x25, 0x7F,                     //   Logical Maximum (127)
+    0x75, 0x08,                     //   Report Size (8),
+    0x95, 0x02,                     //   Report Count (2),
+    0x81, 0x06,                     //   Input (Data, Variable, Relative)
+    0x09, 0x38,                     //   Usage (Wheel)
+    0x95, 0x01,                     //   Report Count (1),
+    0x81, 0x06,                     //   Input (Data, Variable, Relative)
+    0xC0                            // End Collection
 };
 
 static uint8_t PROGMEM debug_hid_report_desc[] = {
@@ -642,7 +646,10 @@ ISR(USB_COM_vect)
 		}
 		if (wIndex == MOUSE_INTERFACE) {
 			if (bmRequestType == 0xA1) {
+print("mouse: 0xA1\n");
 				if (bRequest == HID_GET_REPORT) {
+                                    if (wValue == HID_REPORT_INPUT) {
+print("mouse: HID_GET_REPORT: input\n");
 					usb_wait_in_ready();
 					UEDATX = mouse_buttons;
 					UEDATX = 0;
@@ -650,6 +657,14 @@ ISR(USB_COM_vect)
 					UEDATX = 0;
 					usb_send_in();
 					return;
+                                    }
+                                    if (wValue == HID_REPORT_FEATURE) {
+print("mouse: HID_GET_REPORT: feature\n");
+					usb_wait_in_ready();
+					UEDATX = 0x05;
+					usb_send_in();
+					return;
+                                    }
 				}
 				if (bRequest == HID_GET_PROTOCOL) {
 					usb_wait_in_ready();
@@ -659,6 +674,7 @@ ISR(USB_COM_vect)
 				}
 			}
 			if (bmRequestType == 0x21) {
+print("mouse: 0x21\n");
 				if (bRequest == HID_SET_PROTOCOL) {
 					mouse_protocol = wValue;
 					usb_send_in();