518 lines
19 KiB
C
518 lines
19 KiB
C
/*
|
|
Copyright 2011 Jun Wako <wakojun@gmail.com>
|
|
|
|
This program is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <avr/eeprom.h>
|
|
#include <avr/wdt.h>
|
|
#include <stdint.h>
|
|
#include "usbdrv.h"
|
|
#include "usbconfig.h"
|
|
#include "host.h"
|
|
#include "report.h"
|
|
#include "print.h"
|
|
#include "debug.h"
|
|
#include "host_driver.h"
|
|
#include "vusb.h"
|
|
#include "bootloader.h"
|
|
#include <util/delay.h>
|
|
|
|
|
|
static uint8_t vusb_keyboard_leds = 0;
|
|
static uint8_t vusb_idle_rate = 0;
|
|
|
|
/* Keyboard report send buffer */
|
|
#define KBUF_SIZE 16
|
|
static report_keyboard_t kbuf[KBUF_SIZE];
|
|
static uint8_t kbuf_head = 0;
|
|
static uint8_t kbuf_tail = 0;
|
|
|
|
typedef struct {
|
|
uint8_t modifier;
|
|
uint8_t reserved;
|
|
uint8_t keycode[6];
|
|
} keyboard_report_t;
|
|
|
|
static keyboard_report_t keyboard_report; // sent to PC
|
|
|
|
#define VUSB_TRANSFER_KEYBOARD_MAX_TRIES 10
|
|
|
|
/* transfer keyboard report from buffer */
|
|
void vusb_transfer_keyboard(void)
|
|
{
|
|
for (int i = 0; i < VUSB_TRANSFER_KEYBOARD_MAX_TRIES; i++) {
|
|
if (usbInterruptIsReady()) {
|
|
if (kbuf_head != kbuf_tail) {
|
|
usbSetInterrupt((void *)&kbuf[kbuf_tail], sizeof(report_keyboard_t));
|
|
kbuf_tail = (kbuf_tail + 1) % KBUF_SIZE;
|
|
if (debug_keyboard) {
|
|
print("V-USB: kbuf["); pdec(kbuf_tail); print("->"); pdec(kbuf_head); print("](");
|
|
phex((kbuf_head < kbuf_tail) ? (KBUF_SIZE - kbuf_tail + kbuf_head) : (kbuf_head - kbuf_tail));
|
|
print(")\n");
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
usbPoll();
|
|
_delay_ms(1);
|
|
}
|
|
}
|
|
|
|
|
|
/*------------------------------------------------------------------*
|
|
* Host driver
|
|
*------------------------------------------------------------------*/
|
|
static uint8_t keyboard_leds(void);
|
|
static void send_keyboard(report_keyboard_t *report);
|
|
static void send_mouse(report_mouse_t *report);
|
|
static void send_system(uint16_t data);
|
|
static void send_consumer(uint16_t data);
|
|
|
|
static host_driver_t driver = {
|
|
keyboard_leds,
|
|
send_keyboard,
|
|
send_mouse,
|
|
send_system,
|
|
send_consumer
|
|
};
|
|
|
|
host_driver_t *vusb_driver(void)
|
|
{
|
|
return &driver;
|
|
}
|
|
|
|
static uint8_t keyboard_leds(void) {
|
|
return vusb_keyboard_leds;
|
|
}
|
|
|
|
static void send_keyboard(report_keyboard_t *report)
|
|
{
|
|
uint8_t next = (kbuf_head + 1) % KBUF_SIZE;
|
|
if (next != kbuf_tail) {
|
|
kbuf[kbuf_head] = *report;
|
|
kbuf_head = next;
|
|
} else {
|
|
debug("kbuf: full\n");
|
|
}
|
|
|
|
// NOTE: send key strokes of Macro
|
|
usbPoll();
|
|
vusb_transfer_keyboard();
|
|
}
|
|
|
|
|
|
typedef struct {
|
|
uint8_t report_id;
|
|
report_mouse_t report;
|
|
} __attribute__ ((packed)) vusb_mouse_report_t;
|
|
|
|
static void send_mouse(report_mouse_t *report)
|
|
{
|
|
vusb_mouse_report_t r = {
|
|
.report_id = REPORT_ID_MOUSE,
|
|
.report = *report
|
|
};
|
|
if (usbInterruptIsReady3()) {
|
|
usbSetInterrupt3((void *)&r, sizeof(vusb_mouse_report_t));
|
|
}
|
|
}
|
|
|
|
|
|
typedef struct {
|
|
uint8_t report_id;
|
|
uint16_t usage;
|
|
} __attribute__ ((packed)) report_extra_t;
|
|
|
|
static void send_system(uint16_t data)
|
|
{
|
|
static uint16_t last_data = 0;
|
|
if (data == last_data) return;
|
|
last_data = data;
|
|
|
|
report_extra_t report = {
|
|
.report_id = REPORT_ID_SYSTEM,
|
|
.usage = data
|
|
};
|
|
if (usbInterruptIsReady3()) {
|
|
usbSetInterrupt3((void *)&report, sizeof(report));
|
|
}
|
|
}
|
|
|
|
static void send_consumer(uint16_t data)
|
|
{
|
|
static uint16_t last_data = 0;
|
|
if (data == last_data) return;
|
|
last_data = data;
|
|
|
|
report_extra_t report = {
|
|
.report_id = REPORT_ID_CONSUMER,
|
|
.usage = data
|
|
};
|
|
if (usbInterruptIsReady3()) {
|
|
usbSetInterrupt3((void *)&report, sizeof(report));
|
|
}
|
|
}
|
|
|
|
|
|
|
|
/*------------------------------------------------------------------*
|
|
* Request from host *
|
|
*------------------------------------------------------------------*/
|
|
static struct {
|
|
uint16_t len;
|
|
enum {
|
|
NONE,
|
|
BOOTLOADER,
|
|
SET_LED
|
|
} kind;
|
|
} last_req;
|
|
|
|
usbMsgLen_t usbFunctionSetup(uchar data[8])
|
|
{
|
|
usbRequest_t *rq = (void *)data;
|
|
|
|
if((rq->bmRequestType & USBRQ_TYPE_MASK) == USBRQ_TYPE_CLASS){ /* class request type */
|
|
if(rq->bRequest == USBRQ_HID_GET_REPORT){
|
|
debug("GET_REPORT:");
|
|
/* we only have one report type, so don't look at wValue */
|
|
usbMsgPtr = (void *)&keyboard_report;
|
|
return sizeof(keyboard_report);
|
|
}else if(rq->bRequest == USBRQ_HID_GET_IDLE){
|
|
debug("GET_IDLE: ");
|
|
//debug_hex(vusb_idle_rate);
|
|
usbMsgPtr = &vusb_idle_rate;
|
|
return 1;
|
|
}else if(rq->bRequest == USBRQ_HID_SET_IDLE){
|
|
vusb_idle_rate = rq->wValue.bytes[1];
|
|
debug("SET_IDLE: ");
|
|
debug_hex(vusb_idle_rate);
|
|
}else if(rq->bRequest == USBRQ_HID_SET_REPORT){
|
|
debug("SET_REPORT: ");
|
|
// Report Type: 0x02(Out)/ReportID: 0x00(none) && Interface: 0(keyboard)
|
|
if (rq->wValue.word == 0x0200 && rq->wIndex.word == 0) {
|
|
debug("SET_LED: ");
|
|
last_req.kind = SET_LED;
|
|
last_req.len = rq->wLength.word;
|
|
#ifdef BOOTLOADER_SIZE
|
|
} else if(rq->wValue.word == 0x0301) {
|
|
last_req.kind = BOOTLOADER;
|
|
last_req.len = rq->wLength.word;
|
|
#endif
|
|
}
|
|
return USB_NO_MSG; // to get data in usbFunctionWrite
|
|
} else {
|
|
debug("UNKNOWN:");
|
|
}
|
|
}else{
|
|
debug("VENDOR:");
|
|
/* no vendor specific requests implemented */
|
|
}
|
|
debug("\n");
|
|
return 0; /* default for not implemented requests: return no data back to host */
|
|
}
|
|
|
|
uchar usbFunctionWrite(uchar *data, uchar len)
|
|
{
|
|
if (last_req.len == 0) {
|
|
return -1;
|
|
}
|
|
switch (last_req.kind) {
|
|
case SET_LED:
|
|
debug("SET_LED: ");
|
|
debug_hex(data[0]);
|
|
debug("\n");
|
|
vusb_keyboard_leds = data[0];
|
|
last_req.len = 0;
|
|
return 1;
|
|
break;
|
|
case BOOTLOADER:
|
|
usbDeviceDisconnect();
|
|
bootloader_jump();
|
|
return 1;
|
|
break;
|
|
case NONE:
|
|
default:
|
|
return -1;
|
|
break;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
|
|
|
|
/*------------------------------------------------------------------*
|
|
* Descriptors *
|
|
*------------------------------------------------------------------*/
|
|
|
|
/*
|
|
* Report Descriptor for keyboard
|
|
*
|
|
* from an example in HID spec appendix
|
|
*/
|
|
const PROGMEM uchar keyboard_hid_report[] = {
|
|
0x05, 0x01, // Usage Page (Generic Desktop),
|
|
0x09, 0x06, // Usage (Keyboard),
|
|
0xA1, 0x01, // Collection (Application),
|
|
0x75, 0x01, // Report Size (1),
|
|
0x95, 0x08, // Report Count (8),
|
|
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),
|
|
0x81, 0x02, // Input (Data, Variable, Absolute), ;Modifier byte
|
|
0x95, 0x01, // Report Count (1),
|
|
0x75, 0x08, // Report Size (8),
|
|
0x81, 0x03, // Input (Constant), ;Reserved byte
|
|
0x95, 0x05, // Report Count (5),
|
|
0x75, 0x01, // Report Size (1),
|
|
0x05, 0x08, // Usage Page (LEDs),
|
|
0x19, 0x01, // Usage Minimum (1),
|
|
0x29, 0x05, // Usage Maximum (5),
|
|
0x91, 0x02, // Output (Data, Variable, Absolute), ;LED report
|
|
0x95, 0x01, // Report Count (1),
|
|
0x75, 0x03, // Report Size (3),
|
|
0x91, 0x03, // Output (Constant), ;LED report padding
|
|
0x95, 0x06, // Report Count (6),
|
|
0x75, 0x08, // Report Size (8),
|
|
0x15, 0x00, // Logical Minimum (0),
|
|
0x26, 0xFF, 0x00, // Logical Maximum(255),
|
|
0x05, 0x07, // Usage Page (Key Codes),
|
|
0x19, 0x00, // Usage Minimum (0),
|
|
0x29, 0xFF, // Usage Maximum (255),
|
|
0x81, 0x00, // Input (Data, Array),
|
|
0xc0 // End Collection
|
|
};
|
|
|
|
/*
|
|
* Report Descriptor for mouse
|
|
*
|
|
* 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
|
|
*/
|
|
const PROGMEM uchar mouse_hid_report[] = {
|
|
/* mouse */
|
|
0x05, 0x01, // USAGE_PAGE (Generic Desktop)
|
|
0x09, 0x02, // USAGE (Mouse)
|
|
0xa1, 0x01, // COLLECTION (Application)
|
|
0x85, REPORT_ID_MOUSE, // REPORT_ID (1)
|
|
0x09, 0x01, // USAGE (Pointer)
|
|
0xa1, 0x00, // COLLECTION (Physical)
|
|
// ---------------------------- Buttons
|
|
0x05, 0x09, // USAGE_PAGE (Button)
|
|
0x19, 0x01, // USAGE_MINIMUM (Button 1)
|
|
0x29, 0x05, // USAGE_MAXIMUM (Button 5)
|
|
0x15, 0x00, // LOGICAL_MINIMUM (0)
|
|
0x25, 0x01, // LOGICAL_MAXIMUM (1)
|
|
0x75, 0x01, // REPORT_SIZE (1)
|
|
0x95, 0x05, // REPORT_COUNT (5)
|
|
0x81, 0x02, // INPUT (Data,Var,Abs)
|
|
0x75, 0x03, // REPORT_SIZE (3)
|
|
0x95, 0x01, // REPORT_COUNT (1)
|
|
0x81, 0x03, // INPUT (Cnst,Var,Abs)
|
|
// ---------------------------- X,Y position
|
|
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,Var,Rel)
|
|
// ---------------------------- Vertical wheel
|
|
0x09, 0x38, // USAGE (Wheel)
|
|
0x15, 0x81, // LOGICAL_MINIMUM (-127)
|
|
0x25, 0x7f, // LOGICAL_MAXIMUM (127)
|
|
0x35, 0x00, // PHYSICAL_MINIMUM (0) - reset physical
|
|
0x45, 0x00, // PHYSICAL_MAXIMUM (0)
|
|
0x75, 0x08, // REPORT_SIZE (8)
|
|
0x95, 0x01, // REPORT_COUNT (1)
|
|
0x81, 0x06, // INPUT (Data,Var,Rel)
|
|
// ---------------------------- Horizontal wheel
|
|
0x05, 0x0c, // USAGE_PAGE (Consumer Devices)
|
|
0x0a, 0x38, 0x02, // USAGE (AC Pan)
|
|
0x15, 0x81, // LOGICAL_MINIMUM (-127)
|
|
0x25, 0x7f, // LOGICAL_MAXIMUM (127)
|
|
0x75, 0x08, // REPORT_SIZE (8)
|
|
0x95, 0x01, // REPORT_COUNT (1)
|
|
0x81, 0x06, // INPUT (Data,Var,Rel)
|
|
0xc0, // END_COLLECTION
|
|
0xc0, // END_COLLECTION
|
|
/* system control */
|
|
0x05, 0x01, // USAGE_PAGE (Generic Desktop)
|
|
0x09, 0x80, // USAGE (System Control)
|
|
0xa1, 0x01, // COLLECTION (Application)
|
|
0x85, REPORT_ID_SYSTEM, // REPORT_ID (2)
|
|
0x15, 0x01, // LOGICAL_MINIMUM (0x1)
|
|
0x26, 0xb7, 0x00, // LOGICAL_MAXIMUM (0xb7)
|
|
0x19, 0x01, // USAGE_MINIMUM (0x1)
|
|
0x29, 0xb7, // USAGE_MAXIMUM (0xb7)
|
|
0x75, 0x10, // REPORT_SIZE (16)
|
|
0x95, 0x01, // REPORT_COUNT (1)
|
|
0x81, 0x00, // INPUT (Data,Array,Abs)
|
|
0xc0, // END_COLLECTION
|
|
/* consumer */
|
|
0x05, 0x0c, // USAGE_PAGE (Consumer Devices)
|
|
0x09, 0x01, // USAGE (Consumer Control)
|
|
0xa1, 0x01, // COLLECTION (Application)
|
|
0x85, REPORT_ID_CONSUMER, // REPORT_ID (3)
|
|
0x15, 0x01, // LOGICAL_MINIMUM (0x1)
|
|
0x26, 0x9c, 0x02, // LOGICAL_MAXIMUM (0x29c)
|
|
0x19, 0x01, // USAGE_MINIMUM (0x1)
|
|
0x2a, 0x9c, 0x02, // USAGE_MAXIMUM (0x29c)
|
|
0x75, 0x10, // REPORT_SIZE (16)
|
|
0x95, 0x01, // REPORT_COUNT (1)
|
|
0x81, 0x00, // INPUT (Data,Array,Abs)
|
|
0xc0, // END_COLLECTION
|
|
};
|
|
|
|
|
|
/*
|
|
* Descriptor for compite device: Keyboard + Mouse
|
|
*
|
|
* contains: device, interface, HID and endpoint descriptors
|
|
*/
|
|
#if USB_CFG_DESCR_PROPS_CONFIGURATION
|
|
const PROGMEM char usbDescriptorConfiguration[] = { /* USB configuration descriptor */
|
|
9, /* sizeof(usbDescriptorConfiguration): length of descriptor in bytes */
|
|
USBDESCR_CONFIG, /* descriptor type */
|
|
9 + (9 + 9 + 7) + (9 + 9 + 7), 0,
|
|
//18 + 7 * USB_CFG_HAVE_INTRIN_ENDPOINT + 7 * USB_CFG_HAVE_INTRIN_ENDPOINT3 + 9, 0,
|
|
/* total length of data returned (including inlined descriptors) */
|
|
2, /* number of interfaces in this configuration */
|
|
1, /* index of this configuration */
|
|
0, /* configuration name string index */
|
|
#if USB_CFG_IS_SELF_POWERED
|
|
(1 << 7) | USBATTR_SELFPOWER, /* attributes */
|
|
#else
|
|
(1 << 7), /* attributes */
|
|
#endif
|
|
USB_CFG_MAX_BUS_POWER/2, /* max USB current in 2mA units */
|
|
|
|
/*
|
|
* Keyboard interface
|
|
*/
|
|
/* Interface descriptor */
|
|
9, /* sizeof(usbDescrInterface): length of descriptor in bytes */
|
|
USBDESCR_INTERFACE, /* descriptor type */
|
|
0, /* index of this interface */
|
|
0, /* alternate setting for this interface */
|
|
USB_CFG_HAVE_INTRIN_ENDPOINT, /* endpoints excl 0: number of endpoint descriptors to follow */
|
|
USB_CFG_INTERFACE_CLASS,
|
|
USB_CFG_INTERFACE_SUBCLASS,
|
|
USB_CFG_INTERFACE_PROTOCOL,
|
|
0, /* string index for interface */
|
|
/* HID descriptor */
|
|
9, /* sizeof(usbDescrHID): length of descriptor in bytes */
|
|
USBDESCR_HID, /* descriptor type: HID */
|
|
0x01, 0x01, /* BCD representation of HID version */
|
|
0x00, /* target country code */
|
|
0x01, /* number of HID Report (or other HID class) Descriptor infos to follow */
|
|
0x22, /* descriptor type: report */
|
|
sizeof(keyboard_hid_report), 0, /* total length of report descriptor */
|
|
/* Endpoint descriptor */
|
|
#if USB_CFG_HAVE_INTRIN_ENDPOINT /* endpoint descriptor for endpoint 1 */
|
|
7, /* sizeof(usbDescrEndpoint) */
|
|
USBDESCR_ENDPOINT, /* descriptor type = endpoint */
|
|
(char)0x81, /* IN endpoint number 1 */
|
|
0x03, /* attrib: Interrupt endpoint */
|
|
8, 0, /* maximum packet size */
|
|
USB_CFG_INTR_POLL_INTERVAL, /* in ms */
|
|
#endif
|
|
|
|
/*
|
|
* Mouse interface
|
|
*/
|
|
/* Interface descriptor */
|
|
9, /* sizeof(usbDescrInterface): length of descriptor in bytes */
|
|
USBDESCR_INTERFACE, /* descriptor type */
|
|
1, /* index of this interface */
|
|
0, /* alternate setting for this interface */
|
|
USB_CFG_HAVE_INTRIN_ENDPOINT3, /* endpoints excl 0: number of endpoint descriptors to follow */
|
|
0x03, /* CLASS: HID */
|
|
0, /* SUBCLASS: none */
|
|
0, /* PROTOCOL: none */
|
|
0, /* string index for interface */
|
|
/* HID descriptor */
|
|
9, /* sizeof(usbDescrHID): length of descriptor in bytes */
|
|
USBDESCR_HID, /* descriptor type: HID */
|
|
0x01, 0x01, /* BCD representation of HID version */
|
|
0x00, /* target country code */
|
|
0x01, /* number of HID Report (or other HID class) Descriptor infos to follow */
|
|
0x22, /* descriptor type: report */
|
|
sizeof(mouse_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_CFG_INTR_POLL_INTERVAL, /* in ms */
|
|
#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_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 = (unsigned char *)keyboard_hid_report;
|
|
len = sizeof(keyboard_hid_report);
|
|
break;
|
|
case 1:
|
|
usbMsgPtr = (unsigned char *)mouse_hid_report;
|
|
len = sizeof(mouse_hid_report);
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
//debug("desc len: "); debug_hex(len); debug("\n");
|
|
return len;
|
|
}
|