496 lines
18 KiB
C
496 lines
18 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 <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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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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/* transfer keyboard report from buffer */
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void vusb_transfer_keyboard(void)
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{
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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["); pdec(kbuf_tail); print("->"); pdec(kbuf_head); 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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}
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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 = {
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keyboard_leds,
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send_keyboard,
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send_mouse,
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send_system,
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send_consumer
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};
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host_driver_t *vusb_driver(void)
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{
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return &driver;
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}
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static uint8_t keyboard_leds(void) {
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return vusb_keyboard_leds;
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}
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static void send_keyboard(report_keyboard_t *report)
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{
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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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{
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vusb_mouse_report_t r = {
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.report_id = REPORT_ID_MOUSE,
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.report = *report
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};
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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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typedef struct {
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uint8_t report_id;
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uint16_t usage;
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} __attribute__ ((packed)) report_extra_t;
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static void send_system(uint16_t data)
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{
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static uint16_t last_data = 0;
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if (data == last_data) return;
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last_data = data;
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report_extra_t report = {
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.report_id = REPORT_ID_SYSTEM,
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.usage = data
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};
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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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static void send_consumer(uint16_t data)
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{
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static uint16_t last_data = 0;
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if (data == last_data) return;
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last_data = data;
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report_extra_t report = {
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.report_id = REPORT_ID_CONSUMER,
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.usage = data
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};
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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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/*------------------------------------------------------------------*
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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 {
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NONE,
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SET_LED
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} kind;
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} last_req;
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usbMsgLen_t usbFunctionSetup(uchar data[8])
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{
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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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{
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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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/*
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* Report Descriptor for keyboard
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*
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* from an example in HID spec appendix
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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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0x75, 0x01, // Report Size (1),
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0x95, 0x08, // Report Count (8),
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0x05, 0x07, // Usage Page (Key Codes),
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0x19, 0xE0, // Usage Minimum (224),
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0x29, 0xE7, // Usage Maximum (231),
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0x15, 0x00, // Logical Minimum (0),
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0x25, 0x01, // Logical Maximum (1),
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0x81, 0x02, // Input (Data, Variable, Absolute), ;Modifier 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), ;Reserved byte
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0x95, 0x05, // Report Count (5),
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0x75, 0x01, // Report Size (1),
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0x05, 0x08, // Usage Page (LEDs),
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0x19, 0x01, // Usage Minimum (1),
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0x29, 0x05, // Usage Maximum (5),
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0x91, 0x02, // Output (Data, Variable, Absolute), ;LED report
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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), ;LED report padding
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0x95, 0x06, // Report Count (6),
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0x75, 0x08, // Report Size (8),
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0x15, 0x00, // Logical Minimum (0),
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0x25, 0xFF, // Logical Maximum(255),
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0x05, 0x07, // Usage Page (Key Codes),
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0x19, 0x00, // Usage Minimum (0),
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0x29, 0xFF, // Usage Maximum (255),
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0x81, 0x00, // Input (Data, Array),
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0xc0 // End Collection
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};
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/*
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* Report Descriptor for mouse
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*
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* Mouse Protocol 1, HID 1.11 spec, Appendix B, page 59-60, with wheel extension
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* http://www.microchip.com/forums/tm.aspx?high=&m=391435&mpage=1#391521
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* http://www.keil.com/forum/15671/
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* http://www.microsoft.com/whdc/device/input/wheel.mspx
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*/
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const PROGMEM uchar mouse_hid_report[] = {
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/* mouse */
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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 (1)
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0x09, 0x01, // USAGE (Pointer)
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0xa1, 0x00, // COLLECTION (Physical)
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// ---------------------------- Buttons
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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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0x75, 0x01, // REPORT_SIZE (1)
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0x95, 0x05, // REPORT_COUNT (5)
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0x81, 0x02, // INPUT (Data,Var,Abs)
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0x75, 0x03, // REPORT_SIZE (3)
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0x95, 0x01, // REPORT_COUNT (1)
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0x81, 0x03, // INPUT (Cnst,Var,Abs)
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// ---------------------------- X,Y position
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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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0x75, 0x08, // REPORT_SIZE (8)
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0x95, 0x02, // REPORT_COUNT (2)
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0x81, 0x06, // INPUT (Data,Var,Rel)
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// ---------------------------- Vertical wheel
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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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0x35, 0x00, // PHYSICAL_MINIMUM (0) - reset physical
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0x45, 0x00, // PHYSICAL_MAXIMUM (0)
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0x75, 0x08, // REPORT_SIZE (8)
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0x95, 0x01, // REPORT_COUNT (1)
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0x81, 0x06, // INPUT (Data,Var,Rel)
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// ---------------------------- Horizontal wheel
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0x05, 0x0c, // USAGE_PAGE (Consumer Devices)
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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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0x75, 0x08, // REPORT_SIZE (8)
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0x95, 0x01, // REPORT_COUNT (1)
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0x81, 0x06, // INPUT (Data,Var,Rel)
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0xc0, // END_COLLECTION
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0xc0, // END_COLLECTION
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/* system control */
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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 (2)
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0x15, 0x01, // LOGICAL_MINIMUM (0x1)
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0x25, 0xb7, // LOGICAL_MAXIMUM (0xb7)
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0x19, 0x01, // USAGE_MINIMUM (0x1)
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0x29, 0xb7, // USAGE_MAXIMUM (0xb7)
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0x75, 0x10, // REPORT_SIZE (16)
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0x95, 0x01, // REPORT_COUNT (1)
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0x81, 0x00, // INPUT (Data,Array,Abs)
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0xc0, // END_COLLECTION
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/* consumer */
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0x05, 0x0c, // USAGE_PAGE (Consumer Devices)
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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 (3)
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0x15, 0x01, // LOGICAL_MINIMUM (0x1)
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0x26, 0x9c, 0x02, // LOGICAL_MAXIMUM (0x29c)
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0x19, 0x01, // USAGE_MINIMUM (0x1)
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0x2a, 0x9c, 0x02, // USAGE_MAXIMUM (0x29c)
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0x75, 0x10, // REPORT_SIZE (16)
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0x95, 0x01, // REPORT_COUNT (1)
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0x81, 0x00, // INPUT (Data,Array,Abs)
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0xc0, // END_COLLECTION
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};
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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[] = { /* 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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9 + (9 + 9 + 7) + (9 + 9 + 7), 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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2, /* number of interfaces in this configuration */
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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_CFG_MAX_BUS_POWER/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,
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USB_CFG_INTERFACE_SUBCLASS,
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USB_CFG_INTERFACE_PROTOCOL,
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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 */
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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_CFG_INTR_POLL_INTERVAL, /* in ms */
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#endif
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/*
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* Mouse 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 */
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sizeof(mouse_hid_report), 0, /* total length of report descriptor */
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#if USB_CFG_HAVE_INTRIN_ENDPOINT3 /* endpoint descriptor for endpoint 3 */
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/* Endpoint descriptor */
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7, /* sizeof(usbDescrEndpoint) */
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USBDESCR_ENDPOINT, /* descriptor type = endpoint */
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(char)(0x80 | USB_CFG_EP3_NUMBER), /* IN endpoint number 3 */
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0x03, /* attrib: Interrupt endpoint */
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8, 0, /* maximum packet size */
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USB_CFG_INTR_POLL_INTERVAL, /* in ms */
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#endif
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};
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#endif
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USB_PUBLIC usbMsgLen_t usbFunctionDescriptor(struct usbRequest *rq)
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{
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usbMsgLen_t len = 0;
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/*
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debug("usbFunctionDescriptor: ");
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debug_hex(rq->bmRequestType); debug(" ");
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debug_hex(rq->bRequest); debug(" ");
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debug_hex16(rq->wValue.word); debug(" ");
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debug_hex16(rq->wIndex.word); debug(" ");
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debug_hex16(rq->wLength.word); debug("\n");
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*/
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switch (rq->wValue.bytes[1]) {
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#if USB_CFG_DESCR_PROPS_CONFIGURATION
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case USBDESCR_CONFIG:
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usbMsgPtr = (unsigned char *)usbDescriptorConfiguration;
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len = sizeof(usbDescriptorConfiguration);
|
|
break;
|
|
#endif
|
|
case USBDESCR_HID:
|
|
switch (rq->wValue.bytes[0]) {
|
|
case 0:
|
|
usbMsgPtr = (unsigned char *)(usbDescriptorConfiguration + 9 + 9);
|
|
len = 9;
|
|
break;
|
|
case 1:
|
|
usbMsgPtr = (unsigned char *)(usbDescriptorConfiguration + 9 + (9 + 9 + 7) + 9);
|
|
len = 9;
|
|
break;
|
|
}
|
|
break;
|
|
case USBDESCR_HID_REPORT:
|
|
/* interface index */
|
|
switch (rq->wIndex.word) {
|
|
case 0:
|
|
usbMsgPtr = keyboard_hid_report;
|
|
len = sizeof(keyboard_hid_report);
|
|
break;
|
|
case 1:
|
|
usbMsgPtr = mouse_hid_report;
|
|
len = sizeof(mouse_hid_report);
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
//debug("desc len: "); debug_hex(len); debug("\n");
|
|
return len;
|
|
}
|