1 files changed, 114 insertions, 0 deletions
diff --git a/src/mouse.c b/src/mouse.c
new file mode 100644
index 0000000..acb4166
--- /dev/null
+++ b/src/mouse.c
@@ -0,0 +1,114 @@
+#include "project.h"
+
+static const uint8_t mouse_report_descriptor[] = {
+  0x05, 0x01,                   /* USAGE_PAGE (Generic Desktop)         */
+  0x09, 0x02,                   /* USAGE (Mouse)                        */
+  0xa1, 0x01,                   /* COLLECTION (Application)             */
+  0x09, 0x01,                   /*   USAGE (Pointer)                    */
+  0xa1, 0x00,                   /*   COLLECTION (Physical)              */
+  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,Var,Abs)             */
+  0x95, 0x01,                   /*     REPORT_COUNT (1)                 */
+  0x75, 0x05,                   /*     REPORT_SIZE (5)                  */
+  0x81, 0x01,                   /*     INPUT (Cnst,Ary,Abs)             */
+  0x05, 0x01,                   /*     USAGE_PAGE (Generic Desktop)     */
+  0x09, 0x30,                   /*     USAGE (X)                        */
+  0x09, 0x31,                   /*     USAGE (Y)                        */
+  0x09, 0x38,                   /*     USAGE (Wheel)                    */
+  0x15, 0x81,                   /*     LOGICAL_MINIMUM (-127)           */
+  0x25, 0x7f,                   /*     LOGICAL_MAXIMUM (127)            */
+  0x75, 0x08,                   /*     REPORT_SIZE (8)                  */
+  0x95, 0x03,                   /*     REPORT_COUNT (3)                 */
+  0x81, 0x06,                   /*     INPUT (Data,Var,Rel)             */
+  0xc0,                         /*   END_COLLECTION                     */
+  0x09, 0x3c,                   /*   USAGE (Motion Wakeup)              */
+  0x05, 0xff,                   /*   USAGE_PAGE (Vendor Defined Page 1) */
+  0x09, 0x01,                   /*   USAGE (Vendor Usage 1)             */
+  0x15, 0x00,                   /*   LOGICAL_MINIMUM (0)                */
+  0x25, 0x01,                   /*   LOGICAL_MAXIMUM (1)                */
+  0x75, 0x01,                   /*   REPORT_SIZE (1)                    */
+  0x95, 0x02,                   /*   REPORT_COUNT (2)                   */
+  0xb1, 0x22,                   /*   FEATURE (Data,Var,Abs,NPrf)        */
+  0x75, 0x06,                   /*   REPORT_SIZE (6)                    */
+  0x95, 0x01,                   /*   REPORT_COUNT (1)                   */
+  0xb1, 0x01,                   /*   FEATURE (Cnst,Ary,Abs)             */
+  0xc0                          /* END_COLLECTION                       */
+};
+
+static const struct
+{
+  struct usb_hid_descriptor hid_descriptor;
+  struct
+  {
+    uint8_t bReportDescriptorType;
+    uint16_t wDescriptorLength;
+  } __attribute__ ((packed)) hid_report;
+} __attribute__ ((packed)) mouse_function =
+{
+  .hid_descriptor =
+  {
+  .bLength = sizeof (mouse_function),.bDescriptorType = USB_DT_HID,.bcdHID =
+      0x0100,.bCountryCode = 0,.bNumDescriptors = 1,}
+  ,.hid_report =
+  {
+  .bReportDescriptorType = USB_DT_REPORT,.wDescriptorLength =
+      sizeof (mouse_report_descriptor),}
+,};
+
+const struct usb_endpoint_descriptor mouse_endpoint = {
+  .bLength = USB_DT_ENDPOINT_SIZE,
+  .bDescriptorType = USB_DT_ENDPOINT,
+  .bEndpointAddress = 0x82,
+  .bmAttributes = USB_ENDPOINT_ATTR_INTERRUPT,
+  .wMaxPacketSize = 4,
+  .bInterval = 0x20,
+};
+
+const struct usb_interface_descriptor mouse_iface = {
+  .bLength = USB_DT_INTERFACE_SIZE,
+  .bDescriptorType = USB_DT_INTERFACE,
+  .bInterfaceNumber = 1,
+  .bAlternateSetting = 0,
+  .bNumEndpoints = 1,
+  .bInterfaceClass = USB_CLASS_HID,
+  .bInterfaceSubClass = 1,      /* boot */
+  .bInterfaceProtocol = 2,      /* mouse */
+  .iInterface = 0,
+
+  .endpoint = &mouse_endpoint,
+
+  .extra = &mouse_function,
+  .extralen = sizeof (mouse_function),
+};
+
+
+void mouse_get_descriptor(uint8_t **buf,uint16_t *len)
+{
+
+  /* Handle the HID report descriptor. */
+  *buf = (uint8_t *) mouse_report_descriptor;
+  *len = sizeof (mouse_report_descriptor);
+}
+
+void
+mouse_test (void)
+{
+  static int c = 1;
+  uint8_t buf[4] = { 0, 0, 0, 0 };
+
+  buf[0] = c & 7;
+
+  buf[1] = c &8 ? -1:1;
+  buf[2] = c &16 ? -1:1;
+  buf[3] = c &32 ? -1:1;
+
+  c++;
+
+  usbd_ep_write_packet (usbd_dev, 0x82, buf, 4);
+}