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#include "project.h"
static const uint8_t keyboard_report_descriptor[] = {
0x05, 0x01, /* Usage Page (Generic Desktop) */
0x09, 0x06, /* Usage (Keyboard) */
0xA1, 0x01, /* Collection (Application) */
0x05, 0x07, /* Usage page (Key Codes) */
0x19, 0xE0, /* Usage minimum (224) */
0x29, 0xE7, /* Usage maximum (231) */
0x15, 0x00, /* Logical minimum (0) */
0x25, 0x01, /* Logical maximum (1) */
0x75, 0x01, /* Report size (1) */
0x95, 0x08, /* Report count (8) */
0x81, 0x02, /* Input (data, variable, absolute) */
0x95, 0x01, /* Report count (1) */
0x75, 0x08, /* Report size (8) */
0x81, 0x01, /* Input (constant) */
0x95, 0x06, /* Report count (6) */
0x75, 0x08, /* Report size (8) */
0x15, 0x00, /* Logical minimum (0) */
//0x25, 0x65, /* Logical maximum (101) */
0x26, 0xff, 0x00, /* Logical maximum (255) */
//0x26, 0x7f, 0x00, /* Logical maximum (255) */
0x05, 0x07, /* Usage page (key codes) */
0x19, 0x00, /* Usage minimum (0) */
0x2A, 0xff, 0x00, /* Usage maximum (255) */
// 0x29, 0x65, /* Usage maximum (101) */
// 0x2A, 0xff, 0x03, /* Usage maximum (1023) */
0x81, 0x00, /* Input (data, array) */
0x05, 0x01, /* USAGE_PAGE (Generic Desktop) */
0x09, 0x80, /* USAGE (System Control) */
0xA1, 0x01, /* COLLECTION (Application) */
0x75, 0x02, /* REPORT_SIZE (2) */
0x95, 0x01, /* REPORT_COUNT (1) */
0x15, 0x01, /* LOGICAL_MIN (1) */
0x25, 0x03, /* LOGICAL_MAX (3) */
0x09, 0x82, /* USAGE (System Sleep) */
0x09, 0x81, /* USAGE (System Power Down) */
0x09, 0x83, /* USAGE (System Wake Up) */
0x81, 0x60, /* INPUT (Data Ary Abs NPrf Null) */
0x75, 0x06, /* REPORT_SIZE (6) */
0x81, 0x03, /* INPUT (Cnst Var Abs) */
0xc0, /* END COLLECTION */
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)) keyboard_function =
{
.hid_descriptor =
{
.bLength = sizeof (keyboard_function),.bDescriptorType =
USB_DT_HID,.bcdHID = 0x0100,.bCountryCode = 0,.bNumDescriptors = 1,}
,.hid_report =
{
.bReportDescriptorType = USB_DT_REPORT,.wDescriptorLength =
sizeof (keyboard_report_descriptor),}
,};
const struct usb_endpoint_descriptor keyboard_endpoint = {
.bLength = USB_DT_ENDPOINT_SIZE,
.bDescriptorType = USB_DT_ENDPOINT,
.bEndpointAddress = 0x81,
.bmAttributes = USB_ENDPOINT_ATTR_INTERRUPT,
.wMaxPacketSize = 9,
.bInterval = 0x1 //0x20,
};
const struct usb_interface_descriptor keyboard_iface = {
.bLength = USB_DT_INTERFACE_SIZE,
.bDescriptorType = USB_DT_INTERFACE,
.bInterfaceNumber = 0,
.bAlternateSetting = 0,
.bNumEndpoints = 1,
.bInterfaceClass = USB_CLASS_HID,
.bInterfaceSubClass = 1, /* boot */
.bInterfaceProtocol = 1, /* keyboard */
.iInterface = 5,
.endpoint = &keyboard_endpoint,
.extra = &keyboard_function,
.extralen = sizeof (keyboard_function),
};
void
keyboard_get_descriptor (uint8_t ** buf, uint16_t * len)
{
/* Handle the HID report descriptor. */
*buf = (uint8_t *) keyboard_report_descriptor;
*len = sizeof (keyboard_report_descriptor);
}
void
keyboard_keypress (int m, int k)
{
uint8_t buf[9] = { 0, 0, 0, 0, 0, 0, 0, 0, 0 };
buf[0] = m;
buf[2] = k;
usbd_ep_write_packet (usbd_dev, 0x81, buf, 9);
delay_ms (10);
buf[0] = m;
buf[2] = 0;
usbd_ep_write_packet (usbd_dev, 0x81, buf, 9);
delay_ms (10);
if (m)
{
buf[0] = 0;
buf[2] = 0;
usbd_ep_write_packet (usbd_dev, 0x81, buf, 9);
delay_ms (10);
}
}
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