551 lines
20 KiB
C
551 lines
20 KiB
C
/*
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Copyright 2011 Jun Wako <wakojun@gmail.com>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <avr/eeprom.h>
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#include <avr/wdt.h>
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#include <stdint.h>
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#include "usbdrv.h"
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#include "usbconfig.h"
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#include "host.h"
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#include "report.h"
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#include "print.h"
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#include "debug.h"
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#include "host_driver.h"
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#include "vusb.h"
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#include <util/delay.h>
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static uint8_t vusb_keyboard_leds = 0;
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static uint8_t vusb_idle_rate = 0;
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/* Keyboard report send buffer */
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#define KBUF_SIZE 16
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static report_keyboard_t kbuf[KBUF_SIZE];
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static uint8_t kbuf_head = 0;
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static uint8_t kbuf_tail = 0;
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typedef struct {
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uint8_t modifier;
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uint8_t reserved;
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uint8_t keycode[6];
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} keyboard_report_t;
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static keyboard_report_t keyboard_report; // sent to PC
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#define VUSB_TRANSFER_KEYBOARD_MAX_TRIES 10
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/* transfer keyboard report from buffer */
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void vusb_transfer_keyboard(void) {
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for (int i = 0; i < VUSB_TRANSFER_KEYBOARD_MAX_TRIES; i++) {
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if (usbInterruptIsReady()) {
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if (kbuf_head != kbuf_tail) {
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usbSetInterrupt((void *)&kbuf[kbuf_tail], sizeof(report_keyboard_t));
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kbuf_tail = (kbuf_tail + 1) % KBUF_SIZE;
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if (debug_keyboard) {
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print("V-USB: kbuf[");
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pdec(kbuf_tail);
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print("->");
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pdec(kbuf_head);
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print("](");
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phex((kbuf_head < kbuf_tail) ? (KBUF_SIZE - kbuf_tail + kbuf_head) : (kbuf_head - kbuf_tail));
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print(")\n");
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}
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}
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break;
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}
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usbPoll();
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_delay_ms(1);
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}
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}
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/*------------------------------------------------------------------*
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* Host driver
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*------------------------------------------------------------------*/
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static uint8_t keyboard_leds(void);
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static void send_keyboard(report_keyboard_t *report);
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static void send_mouse(report_mouse_t *report);
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static void send_system(uint16_t data);
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static void send_consumer(uint16_t data);
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static host_driver_t driver = {keyboard_leds, send_keyboard, send_mouse, send_system, send_consumer};
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host_driver_t *vusb_driver(void) { return &driver; }
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static uint8_t keyboard_leds(void) { return vusb_keyboard_leds; }
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static void send_keyboard(report_keyboard_t *report) {
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uint8_t next = (kbuf_head + 1) % KBUF_SIZE;
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if (next != kbuf_tail) {
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kbuf[kbuf_head] = *report;
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kbuf_head = next;
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} else {
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debug("kbuf: full\n");
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}
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// NOTE: send key strokes of Macro
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usbPoll();
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vusb_transfer_keyboard();
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}
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typedef struct {
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uint8_t report_id;
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report_mouse_t report;
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} __attribute__((packed)) vusb_mouse_report_t;
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static void send_mouse(report_mouse_t *report) {
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vusb_mouse_report_t r = {.report_id = REPORT_ID_MOUSE, .report = *report};
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if (usbInterruptIsReady3()) {
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usbSetInterrupt3((void *)&r, sizeof(vusb_mouse_report_t));
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}
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}
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#ifdef EXTRAKEY_ENABLE
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static void send_extra(uint8_t report_id, uint16_t data) {
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static uint8_t last_id = 0;
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static uint16_t last_data = 0;
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if ((report_id == last_id) && (data == last_data)) return;
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last_id = report_id;
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last_data = data;
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report_extra_t report = {.report_id = report_id, .usage = data};
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if (usbInterruptIsReady3()) {
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usbSetInterrupt3((void *)&report, sizeof(report));
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}
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}
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#endif
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static void send_system(uint16_t data) {
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#ifdef EXTRAKEY_ENABLE
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send_extra(REPORT_ID_SYSTEM, data);
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#endif
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}
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static void send_consumer(uint16_t data) {
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#ifdef EXTRAKEY_ENABLE
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send_extra(REPORT_ID_CONSUMER, data);
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#endif
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}
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/*------------------------------------------------------------------*
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* Request from host *
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*------------------------------------------------------------------*/
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static struct {
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uint16_t len;
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enum { NONE, SET_LED } kind;
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} last_req;
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usbMsgLen_t usbFunctionSetup(uchar data[8]) {
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usbRequest_t *rq = (void *)data;
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if ((rq->bmRequestType & USBRQ_TYPE_MASK) == USBRQ_TYPE_CLASS) { /* class request type */
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if (rq->bRequest == USBRQ_HID_GET_REPORT) {
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debug("GET_REPORT:");
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/* we only have one report type, so don't look at wValue */
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usbMsgPtr = (void *)&keyboard_report;
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return sizeof(keyboard_report);
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} else if (rq->bRequest == USBRQ_HID_GET_IDLE) {
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debug("GET_IDLE: ");
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// debug_hex(vusb_idle_rate);
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usbMsgPtr = &vusb_idle_rate;
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return 1;
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} else if (rq->bRequest == USBRQ_HID_SET_IDLE) {
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vusb_idle_rate = rq->wValue.bytes[1];
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debug("SET_IDLE: ");
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debug_hex(vusb_idle_rate);
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} else if (rq->bRequest == USBRQ_HID_SET_REPORT) {
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debug("SET_REPORT: ");
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// Report Type: 0x02(Out)/ReportID: 0x00(none) && Interface: 0(keyboard)
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if (rq->wValue.word == 0x0200 && rq->wIndex.word == 0) {
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debug("SET_LED: ");
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last_req.kind = SET_LED;
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last_req.len = rq->wLength.word;
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}
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return USB_NO_MSG; // to get data in usbFunctionWrite
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} else {
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debug("UNKNOWN:");
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}
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} else {
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debug("VENDOR:");
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/* no vendor specific requests implemented */
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}
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debug("\n");
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return 0; /* default for not implemented requests: return no data back to host */
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}
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uchar usbFunctionWrite(uchar *data, uchar len) {
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if (last_req.len == 0) {
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return -1;
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}
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switch (last_req.kind) {
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case SET_LED:
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debug("SET_LED: ");
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debug_hex(data[0]);
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debug("\n");
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vusb_keyboard_leds = data[0];
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last_req.len = 0;
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return 1;
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break;
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case NONE:
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default:
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return -1;
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break;
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}
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return 1;
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}
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/*------------------------------------------------------------------*
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* Descriptors *
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*------------------------------------------------------------------*/
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const PROGMEM uchar keyboard_hid_report[] = {
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0x05, 0x01, // Usage Page (Generic Desktop)
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0x09, 0x06, // Usage (Keyboard)
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0xA1, 0x01, // Collection (Application)
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// Modifiers (8 bits)
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0x05, 0x07, // Usage Page (Keyboard/Keypad)
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0x19, 0xE0, // Usage Minimum (Keyboard Left Control)
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0x29, 0xE7, // Usage Maximum (Keyboard Right GUI)
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0x15, 0x00, // Logical Minimum (0)
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0x25, 0x01, // Logical Maximum (1)
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0x95, 0x08, // Report Count (8)
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0x75, 0x01, // Report Size (1)
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0x81, 0x02, // Input (Data, Variable, Absolute)
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// Reserved (1 byte)
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0x95, 0x01, // Report Count (1)
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0x75, 0x08, // Report Size (8)
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0x81, 0x03, // Input (Constant)
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// Keycodes (6 bytes)
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0x05, 0x07, // Usage Page (Keyboard/Keypad)
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0x19, 0x00, // Usage Minimum (0)
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0x29, 0xFF, // Usage Maximum (255)
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0x15, 0x00, // Logical Minimum (0)
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0x26, 0xFF, 0x00, // Logical Maximum (255)
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0x95, 0x06, // Report Count (6)
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0x75, 0x08, // Report Size (8)
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0x81, 0x00, // Input (Data, Array, Absolute)
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// Status LEDs (5 bits)
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0x05, 0x08, // Usage Page (LED)
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0x19, 0x01, // Usage Minimum (Num Lock)
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0x29, 0x05, // Usage Maximum (Kana)
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0x95, 0x05, // Report Count (5)
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0x75, 0x01, // Report Size (1)
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0x91, 0x02, // Output (Data, Variable, Absolute)
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// LED padding (3 bits)
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0x95, 0x01, // Report Count (1)
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0x75, 0x03, // Report Size (3)
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0x91, 0x03, // Output (Constant)
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0xC0 // End Collection
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};
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#if defined(MOUSE_ENABLE) || defined(EXTRAKEY_ENABLE)
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const PROGMEM uchar mouse_extra_hid_report[] = {
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# ifdef MOUSE_ENABLE
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// Mouse report descriptor
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0x05, 0x01, // Usage Page (Generic Desktop)
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0x09, 0x02, // Usage (Mouse)
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0xA1, 0x01, // Collection (Application)
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0x85, REPORT_ID_MOUSE, // Report ID
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0x09, 0x01, // Usage (Pointer)
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0xA1, 0x00, // Collection (Physical)
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// Buttons (5 bits)
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0x05, 0x09, // Usage Page (Button)
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0x19, 0x01, // Usage Minimum (Button 1)
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0x29, 0x05, // Usage Maximum (Button 5)
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0x15, 0x00, // Logical Minimum (0)
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0x25, 0x01, // Logical Maximum (1)
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0x95, 0x05, // Report Count (5)
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0x75, 0x01, // Report Size (1)
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0x81, 0x02, // Input (Data, Variable, Absolute)
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// Button padding (3 bits)
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0x95, 0x01, // Report Count (1)
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0x75, 0x03, // Report Size (3)
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0x81, 0x03, // Input (Constant)
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// X/Y position (2 bytes)
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0x05, 0x01, // Usage Page (Generic Desktop)
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0x09, 0x30, // Usage (X)
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0x09, 0x31, // Usage (Y)
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0x15, 0x81, // Logical Minimum (-127)
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0x25, 0x7F, // Logical Maximum (127)
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0x95, 0x02, // Report Count (2)
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0x75, 0x08, // Report Size (8)
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0x81, 0x06, // Input (Data, Variable, Relative)
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// Vertical wheel (1 byte)
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0x09, 0x38, // Usage (Wheel)
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0x15, 0x81, // Logical Minimum (-127)
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0x25, 0x7F, // Logical Maximum (127)
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0x95, 0x01, // Report Count (1)
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0x75, 0x08, // Report Size (8)
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0x81, 0x06, // Input (Data, Variable, Relative)
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// Horizontal wheel (1 byte)
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0x05, 0x0C, // Usage Page (Consumer)
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0x0A, 0x38, 0x02, // Usage (AC Pan)
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0x15, 0x81, // Logical Minimum (-127)
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0x25, 0x7F, // Logical Maximum (127)
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0x95, 0x01, // Report Count (1)
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0x75, 0x08, // Report Size (8)
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0x81, 0x06, // Input (Data, Variable, Relative)
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0xC0, // End Collection
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0xC0, // End Collection
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# endif
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# ifdef EXTRAKEY_ENABLE
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// Extrakeys report descriptor
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0x05, 0x01, // Usage Page (Generic Desktop)
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0x09, 0x80, // Usage (System Control)
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0xA1, 0x01, // Collection (Application)
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0x85, REPORT_ID_SYSTEM, // Report ID
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0x19, 0x01, // Usage Minimum (Pointer)
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0x2A, 0xB7, 0x00, // Usage Maximum (System Display LCD Autoscale)
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0x15, 0x01, // Logical Minimum
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0x26, 0xB7, 0x00, // Logical Maximum
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0x95, 0x01, // Report Count (1)
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0x75, 0x10, // Report Size (16)
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0x81, 0x00, // Input (Data, Array, Absolute)
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0xC0, // End Collection
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0x05, 0x0C, // Usage Page (Consumer)
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0x09, 0x01, // Usage (Consumer Control)
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0xA1, 0x01, // Collection (Application)
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0x85, REPORT_ID_CONSUMER, // Report ID
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0x19, 0x01, // Usage Minimum (Consumer Control)
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0x2A, 0xA0, 0x02, // Usage Maximum (AC Desktop Show All Applications)
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0x15, 0x01, // Logical Minimum
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0x26, 0xA0, 0x02, // Logical Maximum
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0x95, 0x01, // Report Count (1)
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0x75, 0x10, // Report Size (16)
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0x81, 0x00, // Input (Data, Array, Absolute)
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0xC0 // End Collection
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# endif
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};
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#endif
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#ifndef SERIAL_NUMBER
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# define SERIAL_NUMBER 0
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#endif
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#ifndef USB_MAX_POWER_CONSUMPTION
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# define USB_MAX_POWER_CONSUMPTION 500
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#endif
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// TODO: change this to 10ms to match LUFA
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#ifndef USB_POLLING_INTERVAL_MS
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# define USB_POLLING_INTERVAL_MS 1
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#endif
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// clang-format off
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const PROGMEM usbStringDescriptor_t usbDescriptorStringZero = {
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.header = {
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.bLength = USB_STRING_LEN(1),
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.bDescriptorType = USBDESCR_STRING
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},
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.bString = {0x0409} // US English
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};
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const PROGMEM usbStringDescriptor_t usbDescriptorStringManufacturer = {
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.header = {
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.bLength = USB_STRING_LEN(sizeof(STR(MANUFACTURER)) - 1),
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.bDescriptorType = USBDESCR_STRING
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},
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.bString = LSTR(MANUFACTURER)
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};
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const PROGMEM usbStringDescriptor_t usbDescriptorStringProduct = {
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.header = {
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.bLength = USB_STRING_LEN(sizeof(STR(PRODUCT)) - 1),
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.bDescriptorType = USBDESCR_STRING
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},
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.bString = LSTR(PRODUCT)
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};
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const PROGMEM usbStringDescriptor_t usbDescriptorStringSerial = {
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.header = {
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.bLength = USB_STRING_LEN(sizeof(STR(SERIAL_NUMBER)) - 1),
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.bDescriptorType = USBDESCR_STRING
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},
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.bString = LSTR(SERIAL_NUMBER)
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};
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// clang-format on
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/*
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* Descriptor for compite device: Keyboard + Mouse
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*
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* contains: device, interface, HID and endpoint descriptors
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*/
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#if USB_CFG_DESCR_PROPS_CONFIGURATION
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const PROGMEM char usbDescriptorConfiguration[] = {
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/* USB configuration descriptor */
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9, /* sizeof(usbDescriptorConfiguration): length of descriptor in bytes */
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USBDESCR_CONFIG, /* descriptor type */
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# if defined(MOUSE_ENABLE) || defined(EXTRAKEY_ENABLE)
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59, // 9 + (9 + 9 + 7) + (9 + 9 + 7)
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# else
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34, // 9 + (9 + 9 + 7)
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# endif
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0,
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// 18 + 7 * USB_CFG_HAVE_INTRIN_ENDPOINT + 7 * USB_CFG_HAVE_INTRIN_ENDPOINT3 + 9, 0,
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/* total length of data returned (including inlined descriptors) */
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# if defined(MOUSE_ENABLE) || defined(EXTRAKEY_ENABLE)
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2, /* number of interfaces in this configuration */
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# else
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1,
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# endif
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1, /* index of this configuration */
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0, /* configuration name string index */
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# if USB_CFG_IS_SELF_POWERED
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(1 << 7) | USBATTR_SELFPOWER, /* attributes */
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# else
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(1 << 7), /* attributes */
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# endif
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USB_MAX_POWER_CONSUMPTION / 2, /* max USB current in 2mA units */
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/*
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* Keyboard interface
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*/
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/* Interface descriptor */
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9, /* sizeof(usbDescrInterface): length of descriptor in bytes */
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USBDESCR_INTERFACE, /* descriptor type */
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0, /* index of this interface */
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0, /* alternate setting for this interface */
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USB_CFG_HAVE_INTRIN_ENDPOINT, /* endpoints excl 0: number of endpoint descriptors to follow */
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USB_CFG_INTERFACE_CLASS, USB_CFG_INTERFACE_SUBCLASS, USB_CFG_INTERFACE_PROTOCOL, 0, /* string index for interface */
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/* HID descriptor */
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9, /* sizeof(usbDescrHID): length of descriptor in bytes */
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USBDESCR_HID, /* descriptor type: HID */
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0x01, 0x01, /* BCD representation of HID version */
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0x00, /* target country code */
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0x01, /* number of HID Report (or other HID class) Descriptor infos to follow */
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0x22, /* descriptor type: report */
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sizeof(keyboard_hid_report), 0, /* total length of report descriptor */
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/* Endpoint descriptor */
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# if USB_CFG_HAVE_INTRIN_ENDPOINT /* endpoint descriptor for endpoint 1 */
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7, /* sizeof(usbDescrEndpoint) */
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USBDESCR_ENDPOINT, /* descriptor type = endpoint */
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(char)0x81, /* IN endpoint number 1 */
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0x03, /* attrib: Interrupt endpoint */
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8, 0, /* maximum packet size */
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USB_POLLING_INTERVAL_MS, /* in ms */
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# endif
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# if defined(MOUSE_ENABLE) || defined(EXTRAKEY_ENABLE)
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/*
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* Mouse/extrakeys interface
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*/
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/* Interface descriptor */
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9, /* sizeof(usbDescrInterface): length of descriptor in bytes */
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USBDESCR_INTERFACE, /* descriptor type */
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1, /* index of this interface */
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0, /* alternate setting for this interface */
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USB_CFG_HAVE_INTRIN_ENDPOINT3, /* endpoints excl 0: number of endpoint descriptors to follow */
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0x03, /* CLASS: HID */
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0, /* SUBCLASS: none */
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0, /* PROTOCOL: none */
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0, /* string index for interface */
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/* HID descriptor */
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9, /* sizeof(usbDescrHID): length of descriptor in bytes */
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USBDESCR_HID, /* descriptor type: HID */
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0x01, 0x01, /* BCD representation of HID version */
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0x00, /* target country code */
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0x01, /* number of HID Report (or other HID class) Descriptor infos to follow */
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0x22, /* descriptor type: report */
|
|
sizeof(mouse_extra_hid_report), 0, /* total length of report descriptor */
|
|
# if USB_CFG_HAVE_INTRIN_ENDPOINT3 /* endpoint descriptor for endpoint 3 */
|
|
/* Endpoint descriptor */
|
|
7, /* sizeof(usbDescrEndpoint) */
|
|
USBDESCR_ENDPOINT, /* descriptor type = endpoint */
|
|
(char)(0x80 | USB_CFG_EP3_NUMBER), /* IN endpoint number 3 */
|
|
0x03, /* attrib: Interrupt endpoint */
|
|
8, 0, /* maximum packet size */
|
|
USB_POLLING_INTERVAL_MS, /* in ms */
|
|
# endif
|
|
# endif
|
|
};
|
|
#endif
|
|
|
|
USB_PUBLIC usbMsgLen_t usbFunctionDescriptor(struct usbRequest *rq) {
|
|
usbMsgLen_t len = 0;
|
|
|
|
/*
|
|
debug("usbFunctionDescriptor: ");
|
|
debug_hex(rq->bmRequestType); debug(" ");
|
|
debug_hex(rq->bRequest); debug(" ");
|
|
debug_hex16(rq->wValue.word); debug(" ");
|
|
debug_hex16(rq->wIndex.word); debug(" ");
|
|
debug_hex16(rq->wLength.word); debug("\n");
|
|
*/
|
|
switch (rq->wValue.bytes[1]) {
|
|
#if USB_CFG_DESCR_PROPS_CONFIGURATION
|
|
case USBDESCR_CONFIG:
|
|
usbMsgPtr = (unsigned char *)usbDescriptorConfiguration;
|
|
len = sizeof(usbDescriptorConfiguration);
|
|
break;
|
|
#endif
|
|
case USBDESCR_STRING:
|
|
switch (rq->wValue.bytes[0]) {
|
|
case 0:
|
|
usbMsgPtr = (unsigned char *)&usbDescriptorStringZero;
|
|
len = usbDescriptorStringZero.header.bLength;
|
|
break;
|
|
case 1: // iManufacturer
|
|
usbMsgPtr = (unsigned char *)&usbDescriptorStringManufacturer;
|
|
len = usbDescriptorStringManufacturer.header.bLength;
|
|
break;
|
|
case 2: // iProduct
|
|
usbMsgPtr = (unsigned char *)&usbDescriptorStringProduct;
|
|
len = usbDescriptorStringProduct.header.bLength;
|
|
break;
|
|
case 3: // iSerialNumber
|
|
usbMsgPtr = (unsigned char *)&usbDescriptorStringSerial;
|
|
len = usbDescriptorStringSerial.header.bLength;
|
|
break;
|
|
}
|
|
break;
|
|
case USBDESCR_HID:
|
|
switch (rq->wValue.bytes[0]) {
|
|
case 0:
|
|
usbMsgPtr = (unsigned char *)(usbDescriptorConfiguration + 9 + 9);
|
|
len = 9;
|
|
break;
|
|
#if defined(MOUSE_ENABLE) || defined(EXTRAKEY_ENABLE)
|
|
case 1:
|
|
usbMsgPtr = (unsigned char *)(usbDescriptorConfiguration + 9 + (9 + 9 + 7) + 9);
|
|
len = 9;
|
|
break;
|
|
#endif
|
|
}
|
|
break;
|
|
case USBDESCR_HID_REPORT:
|
|
/* interface index */
|
|
switch (rq->wIndex.word) {
|
|
case 0:
|
|
usbMsgPtr = (unsigned char *)keyboard_hid_report;
|
|
len = sizeof(keyboard_hid_report);
|
|
break;
|
|
#if defined(MOUSE_ENABLE) || defined(EXTRAKEY_ENABLE)
|
|
case 1:
|
|
usbMsgPtr = (unsigned char *)mouse_extra_hid_report;
|
|
len = sizeof(mouse_extra_hid_report);
|
|
break;
|
|
#endif
|
|
}
|
|
break;
|
|
}
|
|
// debug("desc len: "); debug_hex(len); debug("\n");
|
|
return len;
|
|
}
|