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qmk_firmware/tmk_core/protocol/vusb/vusb.c
Takuya Urakawa 89a675d57c
add hid_raw feature to VUSB (#8380) 
* rewrite usbhid feature on vusb

* Apply suggestions from code review

Co-Authored-By: Ryan <fauxpark@gmail.com>

* fix typo

* fix typo again

* Update tmk_core/protocol/vusb/vusb.c

Co-Authored-By: Ryan <fauxpark@gmail.com>

* clean up defines

Co-authored-by: Ryan <fauxpark@gmail.com>
2020-03-30 21:15:05 +01:00

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/*
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 <util/delay.h>
#if defined(RAW_ENABLE)
# include "raw_hid.h"
#endif
#if (defined(MOUSE_ENABLE) || defined(EXTRAKEY_ENABLE)) && defined(RAW_ENABLE)
# error "Enabling Mousekeys/Extrakeys and Raw HID at the same time is not currently supported on V-USB."
#endif
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);
}
}
/*------------------------------------------------------------------*
* RAW HID
*------------------------------------------------------------------*/
#ifdef RAW_ENABLE
# define RAW_BUFFER_SIZE 32
# define RAW_EPSIZE 8
static uint8_t raw_output_buffer[RAW_BUFFER_SIZE];
static uint8_t raw_output_received_bytes = 0;
void raw_hid_send(uint8_t *data, uint8_t length) {
if (length != RAW_BUFFER_SIZE) {
return;
}
uint8_t *temp = data;
for (uint8_t i = 0; i < 4; i++) {
while (!usbInterruptIsReady3()) {
usbPoll();
}
usbSetInterrupt3(temp, 8);
temp += 8;
}
while (!usbInterruptIsReady3()) {
usbPoll();
}
usbSetInterrupt3(0, 0);
usbPoll();
_delay_ms(1);
}
__attribute__((weak)) void raw_hid_receive(uint8_t *data, uint8_t length) {
// Users should #include "raw_hid.h" in their own code
// and implement this function there. Leave this as weak linkage
// so users can opt to not handle data coming in.
}
void raw_hid_task(void) {
if (raw_output_received_bytes == RAW_BUFFER_SIZE) {
raw_hid_receive(raw_output_buffer, RAW_BUFFER_SIZE);
raw_output_received_bytes = 0;
}
}
#endif
/*------------------------------------------------------------------*
* 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));
}
}
#ifdef EXTRAKEY_ENABLE
static void send_extra(uint8_t report_id, uint16_t data) {
static uint8_t last_id = 0;
static uint16_t last_data = 0;
if ((report_id == last_id) && (data == last_data)) return;
last_id = report_id;
last_data = data;
report_extra_t report = {.report_id = report_id, .usage = data};
if (usbInterruptIsReady3()) {
usbSetInterrupt3((void *)&report, sizeof(report));
}
}
#endif
static void send_system(uint16_t data) {
#ifdef EXTRAKEY_ENABLE
send_extra(REPORT_ID_SYSTEM, data);
#endif
}
static void send_consumer(uint16_t data) {
#ifdef EXTRAKEY_ENABLE
send_extra(REPORT_ID_CONSUMER, data);
#endif
}
/*------------------------------------------------------------------*
* Request from host *
*------------------------------------------------------------------*/
static struct {
uint16_t len;
enum { NONE, 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;
}
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 NONE:
default:
return -1;
break;
}
return 1;
}
void usbFunctionWriteOut(uchar *data, uchar len) {
#ifdef RAW_ENABLE
// Data from host must be divided every 8bytes
if (len != 8) {
debug("RAW: invalid length");
raw_output_received_bytes = 0;
return;
}
if (raw_output_received_bytes + len > RAW_BUFFER_SIZE) {
debug("RAW: buffer full");
raw_output_received_bytes = 0;
} else {
for (uint8_t i = 0; i < 8; i++) {
raw_output_buffer[raw_output_received_bytes + i] = data[i];
}
raw_output_received_bytes += len;
}
#endif
}
/*------------------------------------------------------------------*
* Descriptors *
*------------------------------------------------------------------*/
const PROGMEM uchar keyboard_hid_report[] = {
0x05, 0x01, // Usage Page (Generic Desktop)
0x09, 0x06, // Usage (Keyboard)
0xA1, 0x01, // Collection (Application)
// Modifiers (8 bits)
0x05, 0x07, // Usage Page (Keyboard/Keypad)
0x19, 0xE0, // Usage Minimum (Keyboard Left Control)
0x29, 0xE7, // Usage Maximum (Keyboard Right GUI)
0x15, 0x00, // Logical Minimum (0)
0x25, 0x01, // Logical Maximum (1)
0x95, 0x08, // Report Count (8)
0x75, 0x01, // Report Size (1)
0x81, 0x02, // Input (Data, Variable, Absolute)
// Reserved (1 byte)
0x95, 0x01, // Report Count (1)
0x75, 0x08, // Report Size (8)
0x81, 0x03, // Input (Constant)
// Keycodes (6 bytes)
0x05, 0x07, // Usage Page (Keyboard/Keypad)
0x19, 0x00, // Usage Minimum (0)
0x29, 0xFF, // Usage Maximum (255)
0x15, 0x00, // Logical Minimum (0)
0x26, 0xFF, 0x00, // Logical Maximum (255)
0x95, 0x06, // Report Count (6)
0x75, 0x08, // Report Size (8)
0x81, 0x00, // Input (Data, Array, Absolute)
// Status LEDs (5 bits)
0x05, 0x08, // Usage Page (LED)
0x19, 0x01, // Usage Minimum (Num Lock)
0x29, 0x05, // Usage Maximum (Kana)
0x95, 0x05, // Report Count (5)
0x75, 0x01, // Report Size (1)
0x91, 0x02, // Output (Data, Variable, Absolute)
// LED padding (3 bits)
0x95, 0x01, // Report Count (1)
0x75, 0x03, // Report Size (3)
0x91, 0x03, // Output (Constant)
0xC0 // End Collection
};
#if defined(MOUSE_ENABLE) || defined(EXTRAKEY_ENABLE)
const PROGMEM uchar mouse_extra_hid_report[] = {
# ifdef MOUSE_ENABLE
// Mouse report descriptor
0x05, 0x01, // Usage Page (Generic Desktop)
0x09, 0x02, // Usage (Mouse)
0xA1, 0x01, // Collection (Application)
0x85, REPORT_ID_MOUSE, // Report ID
0x09, 0x01, // Usage (Pointer)
0xA1, 0x00, // Collection (Physical)
// Buttons (5 bits)
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)
0x95, 0x05, // Report Count (5)
0x75, 0x01, // Report Size (1)
0x81, 0x02, // Input (Data, Variable, Absolute)
// Button padding (3 bits)
0x95, 0x01, // Report Count (1)
0x75, 0x03, // Report Size (3)
0x81, 0x03, // Input (Constant)
// X/Y position (2 bytes)
0x05, 0x01, // Usage Page (Generic Desktop)
0x09, 0x30, // Usage (X)
0x09, 0x31, // Usage (Y)
0x15, 0x81, // Logical Minimum (-127)
0x25, 0x7F, // Logical Maximum (127)
0x95, 0x02, // Report Count (2)
0x75, 0x08, // Report Size (8)
0x81, 0x06, // Input (Data, Variable, Relative)
// Vertical wheel (1 byte)
0x09, 0x38, // Usage (Wheel)
0x15, 0x81, // Logical Minimum (-127)
0x25, 0x7F, // Logical Maximum (127)
0x95, 0x01, // Report Count (1)
0x75, 0x08, // Report Size (8)
0x81, 0x06, // Input (Data, Variable, Relative)
// Horizontal wheel (1 byte)
0x05, 0x0C, // Usage Page (Consumer)
0x0A, 0x38, 0x02, // Usage (AC Pan)
0x15, 0x81, // Logical Minimum (-127)
0x25, 0x7F, // Logical Maximum (127)
0x95, 0x01, // Report Count (1)
0x75, 0x08, // Report Size (8)
0x81, 0x06, // Input (Data, Variable, Relative)
0xC0, // End Collection
0xC0, // End Collection
# endif
# ifdef EXTRAKEY_ENABLE
// Extrakeys report descriptor
0x05, 0x01, // Usage Page (Generic Desktop)
0x09, 0x80, // Usage (System Control)
0xA1, 0x01, // Collection (Application)
0x85, REPORT_ID_SYSTEM, // Report ID
0x19, 0x01, // Usage Minimum (Pointer)
0x2A, 0xB7, 0x00, // Usage Maximum (System Display LCD Autoscale)
0x15, 0x01, // Logical Minimum
0x26, 0xB7, 0x00, // Logical Maximum
0x95, 0x01, // Report Count (1)
0x75, 0x10, // Report Size (16)
0x81, 0x00, // Input (Data, Array, Absolute)
0xC0, // End Collection
0x05, 0x0C, // Usage Page (Consumer)
0x09, 0x01, // Usage (Consumer Control)
0xA1, 0x01, // Collection (Application)
0x85, REPORT_ID_CONSUMER, // Report ID
0x19, 0x01, // Usage Minimum (Consumer Control)
0x2A, 0xA0, 0x02, // Usage Maximum (AC Desktop Show All Applications)
0x15, 0x01, // Logical Minimum
0x26, 0xA0, 0x02, // Logical Maximum
0x95, 0x01, // Report Count (1)
0x75, 0x10, // Report Size (16)
0x81, 0x00, // Input (Data, Array, Absolute)
0xC0 // End Collection
# endif
};
#endif
#if defined(RAW_ENABLE)
const PROGMEM uchar raw_hid_report[] = {
0x06, 0x60, 0xFF, // Usage Page (Vendor Defined)
0x09, 0x61, // Usage (Vendor Defined)
0xA1, 0x01, // Collection (Application)
// Data to host
0x09, 0x62, // Usage (Vendor Defined)
0x15, 0x00, // Logical Minimum (0)
0x26, 0xFF, 0x00, // Logical Maximum (255)
0x95, RAW_BUFFER_SIZE, // Report Count
0x75, 0x08, // Report Size (8)
0x81, 0x02, // Input (Data, Variable, Absolute)
// Data from host
0x09, 0x63, // Usage (Vendor Defined)
0x15, 0x00, // Logical Minimum (0)
0x26, 0xFF, 0x00, // Logical Maximum (255)
0x95, RAW_BUFFER_SIZE, // Report Count
0x75, 0x08, // Report Size (8)
0x91, 0x02, // Output (Data, Variable, Absolute)
0xC0, // End Collection
};
#endif
#ifndef SERIAL_NUMBER
# define SERIAL_NUMBER 0
#endif
#ifndef USB_MAX_POWER_CONSUMPTION
# define USB_MAX_POWER_CONSUMPTION 500
#endif
// TODO: change this to 10ms to match LUFA
#ifndef USB_POLLING_INTERVAL_MS
# define USB_POLLING_INTERVAL_MS 1
#endif
// clang-format off
const PROGMEM usbStringDescriptor_t usbStringDescriptorZero = {
.header = {
.bLength = USB_STRING_LEN(1),
.bDescriptorType = USBDESCR_STRING
},
.bString = {0x0409} // US English
};
const PROGMEM usbStringDescriptor_t usbStringDescriptorManufacturer = {
.header = {
.bLength = USB_STRING_LEN(sizeof(STR(MANUFACTURER)) - 1),
.bDescriptorType = USBDESCR_STRING
},
.bString = LSTR(MANUFACTURER)
};
const PROGMEM usbStringDescriptor_t usbStringDescriptorProduct = {
.header = {
.bLength = USB_STRING_LEN(sizeof(STR(PRODUCT)) - 1),
.bDescriptorType = USBDESCR_STRING
},
.bString = LSTR(PRODUCT)
};
const PROGMEM usbStringDescriptor_t usbStringDescriptorSerial = {
.header = {
.bLength = USB_STRING_LEN(sizeof(STR(SERIAL_NUMBER)) - 1),
.bDescriptorType = USBDESCR_STRING
},
.bString = LSTR(SERIAL_NUMBER)
};
#if USB_CFG_DESCR_PROPS_DEVICE
/*
* Device descriptor
*/
const PROGMEM usbDeviceDescriptor_t usbDeviceDescriptor = {
.header = {
.bLength = sizeof(usbDeviceDescriptor_t),
.bDescriptorType = USBDESCR_DEVICE
},
.bcdUSB = 0x0110,
.bDeviceClass = USB_CFG_DEVICE_CLASS,
.bDeviceSubClass = USB_CFG_DEVICE_SUBCLASS,
.bDeviceProtocol = 0x00,
.bMaxPacketSize0 = 8,
.idVendor = VENDOR_ID,
.idProduct = PRODUCT_ID,
.bcdDevice = DEVICE_VER,
.iManufacturer = 0x01,
.iProduct = 0x02,
.iSerialNumber = 0x03,
.bNumConfigurations = 1
};
#endif
#if USB_CFG_DESCR_PROPS_CONFIGURATION
/*
* Configuration descriptors
*/
const PROGMEM usbConfigurationDescriptor_t usbConfigurationDescriptor = {
.header = {
.header = {
.bLength = sizeof(usbConfigurationDescriptorHeader_t),
.bDescriptorType = USBDESCR_CONFIG
},
.wTotalLength = sizeof(usbConfigurationDescriptor_t),
# if defined(MOUSE_ENABLE) || defined(EXTRAKEY_ENABLE) || defined(RAW_ENABLE)
.bNumInterfaces = 2,
# else
.bNumInterfaces = 1,
# endif
.bConfigurationValue = 0x01,
.iConfiguration = 0x00,
# if USB_CFG_IS_SELF_POWERED
.bmAttributes = (1 << 7) | USBATTR_SELFPOWER,
# else
.bmAttributes = (1 << 7),
# endif
.bMaxPower = USB_MAX_POWER_CONSUMPTION / 2
},
/*
* Keyboard
*/
.keyboardInterface = {
.header = {
.bLength = sizeof(usbInterfaceDescriptor_t),
.bDescriptorType = USBDESCR_INTERFACE
},
.bInterfaceNumber = 0,
.bAlternateSetting = 0x00,
.bNumEndpoints = USB_CFG_HAVE_INTRIN_ENDPOINT,
.bInterfaceClass = USB_CFG_INTERFACE_CLASS,
.bInterfaceSubClass = USB_CFG_INTERFACE_SUBCLASS,
.bInterfaceProtocol = USB_CFG_INTERFACE_PROTOCOL,
.iInterface = 0x00
},
.keyboardHID = {
.header = {
.bLength = sizeof(usbHIDDescriptor_t),
.bDescriptorType = USBDESCR_HID
},
.bcdHID = 0x0101,
.bCountryCode = 0x00,
.bNumDescriptors = 1,
.bDescriptorType = USBDESCR_HID_REPORT,
.wDescriptorLength = sizeof(keyboard_hid_report)
},
# ifdef USB_CFG_HAVE_INTRIN_ENDPOINT
.keyboardINEndpoint = {
.header = {
.bLength = sizeof(usbEndpointDescriptor_t),
.bDescriptorType = USBDESCR_ENDPOINT
},
.bEndpointAddress = (USBRQ_DIR_DEVICE_TO_HOST | 1),
.bmAttributes = 0x03,
.wMaxPacketSize = 8,
.bInterval = USB_POLLING_INTERVAL_MS
},
# endif
# if defined(MOUSE_ENABLE) || defined(EXTRAKEY_ENABLE)
/*
* Mouse/Extrakeys
*/
.mouseExtraInterface = {
.header = {
.bLength = sizeof(usbInterfaceDescriptor_t),
.bDescriptorType = USBDESCR_INTERFACE
},
.bInterfaceNumber = 1,
.bAlternateSetting = 0x00,
.bNumEndpoints = USB_CFG_HAVE_INTRIN_ENDPOINT3,
.bInterfaceClass = 0x03,
.bInterfaceSubClass = 0x00,
.bInterfaceProtocol = 0x00,
.iInterface = 0x00
},
.mouseExtraHID = {
.header = {
.bLength = sizeof(usbHIDDescriptor_t),
.bDescriptorType = USBDESCR_HID
},
.bcdHID = 0x0101,
.bCountryCode = 0x00,
.bNumDescriptors = 1,
.bDescriptorType = USBDESCR_HID_REPORT,
.wDescriptorLength = sizeof(mouse_extra_hid_report)
},
# if USB_CFG_HAVE_INTRIN_ENDPOINT3
.mouseExtraINEndpoint = {
.header = {
.bLength = sizeof(usbEndpointDescriptor_t),
.bDescriptorType = USBDESCR_ENDPOINT
},
.bEndpointAddress = (USBRQ_DIR_DEVICE_TO_HOST | USB_CFG_EP3_NUMBER),
.bmAttributes = 0x03,
.wMaxPacketSize = 8,
.bInterval = USB_POLLING_INTERVAL_MS
}
# endif
# elif defined(RAW_ENABLE)
.rawInterface = {
.header = {
.bLength = sizeof(usbInterfaceDescriptor_t),
.bDescriptorType = USBDESCR_INTERFACE
},
.bInterfaceNumber = 1,
.bAlternateSetting = 0x00,
.bNumEndpoints = 2,
.bInterfaceClass = 0x03,
.bInterfaceSubClass = 0x00,
.bInterfaceProtocol = 0x00,
.iInterface = 0x00
},
.rawHID = {
.header = {
.bLength = sizeof(usbHIDDescriptor_t),
.bDescriptorType = USBDESCR_HID
},
.bcdHID = 0x0101,
.bCountryCode = 0x00,
.bNumDescriptors = 2,
.bDescriptorType = USBDESCR_HID_REPORT,
.wDescriptorLength = sizeof(raw_hid_report)
},
# if USB_CFG_HAVE_INTRIN_ENDPOINT3
.rawINEndpoint = {
.header = {
.bLength = sizeof(usbEndpointDescriptor_t),
.bDescriptorType = USBDESCR_ENDPOINT
},
.bEndpointAddress = (USBRQ_DIR_DEVICE_TO_HOST | USB_CFG_EP3_NUMBER),
.bmAttributes = 0x03,
.wMaxPacketSize = RAW_EPSIZE,
.bInterval = USB_POLLING_INTERVAL_MS
},
.rawOUTEndpoint = {
.header = {
.bLength = sizeof(usbEndpointDescriptor_t),
.bDescriptorType = USBDESCR_ENDPOINT
},
.bEndpointAddress = (USBRQ_DIR_HOST_TO_DEVICE | USB_CFG_EP3_NUMBER),
.bmAttributes = 0x03,
.wMaxPacketSize = RAW_EPSIZE,
.bInterval = USB_POLLING_INTERVAL_MS
}
# endif
# endif
};
#endif
// clang-format on
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_DEVICE
case USBDESCR_DEVICE:
usbMsgPtr = (unsigned char *)&usbDeviceDescriptor;
len = sizeof(usbDeviceDescriptor_t);
break;
#endif
#if USB_CFG_DESCR_PROPS_CONFIGURATION
case USBDESCR_CONFIG:
usbMsgPtr = (unsigned char *)&usbConfigurationDescriptor;
len = sizeof(usbConfigurationDescriptor_t);
break;
#endif
case USBDESCR_STRING:
switch (rq->wValue.bytes[0]) {
case 0:
usbMsgPtr = (unsigned char *)&usbStringDescriptorZero;
len = usbStringDescriptorZero.header.bLength;
break;
case 1: // iManufacturer
usbMsgPtr = (unsigned char *)&usbStringDescriptorManufacturer;
len = usbStringDescriptorManufacturer.header.bLength;
break;
case 2: // iProduct
usbMsgPtr = (unsigned char *)&usbStringDescriptorProduct;
len = usbStringDescriptorProduct.header.bLength;
break;
case 3: // iSerialNumber
usbMsgPtr = (unsigned char *)&usbStringDescriptorSerial;
len = usbStringDescriptorSerial.header.bLength;
break;
}
break;
case USBDESCR_HID:
switch (rq->wValue.bytes[0]) {
case 0:
usbMsgPtr = (unsigned char *)&usbConfigurationDescriptor.keyboardHID;
len = sizeof(usbHIDDescriptor_t);
break;
#if defined(MOUSE_ENABLE) || defined(EXTRAKEY_ENABLE)
case 1:
usbMsgPtr = (unsigned char *)&usbConfigurationDescriptor.mouseExtraHID;
len = sizeof(usbHIDDescriptor_t);
break;
#elif defined(RAW_ENABLE)
case 1:
usbMsgPtr = (unsigned char *)&usbConfigurationDescriptor.rawHID;
len = sizeof(usbHIDDescriptor_t);
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;
#elif defined(RAW_ENABLE)
case 1:
usbMsgPtr = (unsigned char *)raw_hid_report;
len = sizeof(raw_hid_report);
break;
#endif
}
break;
}
// debug("desc len: "); debug_hex(len); debug("\n");
return len;
}
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