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#include "hid.h"
#include "class/hid/hid_device.h"
#include "tusb.h"
#include "tusb_types.h"
#define ARRLEN(x) (sizeof(x) / sizeof((x)[0]))
#define CONFIG_TOTAL_LEN \
(TUD_CONFIG_DESC_LEN + TUD_CDC_DESC_LEN + 2 * TUD_HID_DESC_LEN)
/* MCU-specific! */
#define EPNUM_HID_KBD 0x81
#define EPNUM_HID_MISC 0x82
#define EPNUM_CDC_NOTIF 0x84
#define EPNUM_CDC_IN 0x85
#define EPNUM_CDC_OUT 0x05
/* NOTE: same VID/PID with different interface can cause issues! */
enum {
ITF_NUM_CDC,
ITF_NUM_CDC_DATA,
ITF_NUM_HID_KBD,
ITF_NUM_HID_MISC,
ITF_NUM_TOTAL
};
static const tusb_desc_device_t desc_device = {
.bLength = sizeof(tusb_desc_device_t),
.bDescriptorType = TUSB_DESC_DEVICE,
.bcdUSB = 0x200,
.bDeviceClass = 0x00,
.bDeviceSubClass = 0x00,
.bDeviceProtocol = 0x00,
.bMaxPacketSize0 = CFG_TUD_ENDPOINT0_SIZE,
.idVendor = 0x1209,
.idProduct = 0xDDDD,
.bcdDevice = 0x0100,
.iManufacturer = 0x01,
.iProduct = 0x02,
.iSerialNumber = 0x03,
.bNumConfigurations = 0x01
};
static const uint8_t desc_hid_kbd_report[] = {
TUD_HID_REPORT_DESC_KEYBOARD()
};
static const uint8_t desc_hid_misc_report[] = {
TUD_HID_REPORT_DESC_MOUSE(HID_REPORT_ID(REPORT_ID_MOUSE)),
TUD_HID_REPORT_DESC_CONSUMER(HID_REPORT_ID(REPORT_ID_CONSUMER)),
TUD_HID_REPORT_DESC_SYSTEM_CONTROL(HID_REPORT_ID(REPORT_ID_SYSTEM)),
TUD_HID_REPORT_DESC_GAMEPAD(HID_REPORT_ID(REPORT_ID_GAMEPAD))
};
static const uint8_t desc_fs_configuration[] = {
/* Config number, interface count, string index,
* total length, attribute, power in mA */
TUD_CONFIG_DESCRIPTOR(1, ITF_NUM_TOTAL, 0, CONFIG_TOTAL_LEN,
TUSB_DESC_CONFIG_ATT_REMOTE_WAKEUP, 100),
/* Interface number, string index, EP notification address and size,
* EP data address (out, in) and size */
TUD_CDC_DESCRIPTOR(ITF_NUM_CDC, 4, EPNUM_CDC_NOTIF, 8,
EPNUM_CDC_OUT, EPNUM_CDC_IN, 64),
/* Interface number, string index, protocol, report descriptor len,
* EP In address, size & polling interval */
TUD_HID_DESCRIPTOR(ITF_NUM_HID_KBD, 0, HID_ITF_PROTOCOL_KEYBOARD,
sizeof(desc_hid_kbd_report), EPNUM_HID_KBD, 8, 1),
TUD_HID_DESCRIPTOR(ITF_NUM_HID_MISC, 0, HID_ITF_PROTOCOL_NONE,
sizeof(desc_hid_misc_report), EPNUM_HID_MISC, 16, 1)
};
#if TUD_OPT_HIGH_SPEED
static const uint8_t desc_hs_configuration[] = {
/* Config number, interface count, string index,
* total length, attribute, power in mA */
TUD_CONFIG_DESCRIPTOR(1, ITF_NUM_TOTAL, 0, CONFIG_TOTAL_LEN,
TUSB_DESC_CONFIG_ATT_REMOTE_WAKEUP, 100),
/* Interface number, string index, EP notification address and size,
* EP data address (out, in) and size */
TUD_CDC_DESCRIPTOR(ITF_NUM_CDC, 4, EPNUM_CDC_NOTIF, 8,
EPNUM_CDC_OUT, EPNUM_CDC_IN, 512),
/* Interface number, string index, protocol, report descriptor len,
* EP In address, size & polling interval */
TUD_HID_DESCRIPTOR(ITF_NUM_HID_KBD, 0, HID_ITF_PROTOCOL_KEYBOARD,
sizeof(desc_hid_kbd_report), EPNUM_HID_KBD, 8, 1),
TUD_HID_DESCRIPTOR(ITF_NUM_HID_MISC, 0, HID_ITF_PROTOCOL_NONE,
sizeof(desc_hid_misc_report), EPNUM_HID_MISC, 16, 1)
};
static uint8_t desc_other_speed_config[CONFIG_TOTAL_LEN];
static const tusb_desc_device_qualifier_t desc_device_qualifier =
{
.bLength = sizeof(tusb_desc_device_qualifier_t),
.bDescriptorType = TUSB_DESC_DEVICE_QUALIFIER,
.bcdUSB = 0x200,
.bDeviceClass = 0x00,
.bDeviceSubClass = 0x00,
.bDeviceProtocol = 0x00,
.bMaxPacketSize0 = CFG_TUD_ENDPOINT0_SIZE,
.bNumConfigurations = 0x01,
.bReserved = 0x00
};
#endif
static const char *string_desc_arr[] = {
[0] = "\x07\x04", /* LangID: German (0x0407) */
[1] = "SNX", /* Manufacturer */
[2] = "SXKBD Keyboard", /* Product */
[3] = "000001", /* Serial Number */
[4] = "CDC",
[5] = "HID-KBD",
[6] = "HID-MISC"
};
static uint16_t _desc_str[32];
const uint8_t *
tud_descriptor_device_cb(void)
{
return (const uint8_t *) &desc_device;
}
const uint8_t *
tud_hid_descriptor_report_cb(uint8_t instance)
{
if (instance == INST_HID_KBD)
return desc_hid_kbd_report;
else
return desc_hid_misc_report;
}
const uint8_t *
tud_descriptor_configuration_cb(uint8_t instance)
{
#if TUD_OPT_HIGH_SPEED
if (tud_speed_get() == TUSB_SPEED_HIGH)
return desc_hs_configuration;
else
return desc_fs_configuration;
#else
return desc_fs_configuration;
#endif
}
const uint16_t *
tud_descriptor_string_cb(uint8_t index, uint16_t langid)
{
const char *str;
uint8_t i, chr_count;
if (index == 0) {
memcpy(&_desc_str[1], string_desc_arr[0], 2);
chr_count = 1;
} else {
if (index >= ARRLEN(string_desc_arr))
return NULL;
str = string_desc_arr[index];
chr_count = (uint8_t) strlen(str);
if (chr_count > 31) chr_count = 31;
/* Convert ASCII string into UTF-16 */
for (i = 0; i < chr_count; i++)
_desc_str[i+1] = str[i];
}
/* first byte is length (including header), second byte is type */
_desc_str[0] = (uint8_t) (2 * chr_count + 2);
_desc_str[0] |= (uint16_t) (TUSB_DESC_STRING << 8);
return _desc_str;
}
#if TUD_OPT_HIGH_SPEED
const uint8_t *
tud_descriptor_device_qualifier_cb(void)
{
return (const uint8_t *) &desc_device_qualifier;
}
const uint8_t *
tud_descriptor_other_speed_configuration_cb(uint8_t instance)
{
if (tud_speed_get() == TUSB_SPEED_HIGH) {
memcpy(desc_other_speed_config, desc_hs_configuration,
CONFIG_TOTAL_LEN);
} else {
memcpy(desc_other_speed_config, desc_fs_configuration,
CONFIG_TOTAL_LEN);
}
desc_other_speed_config[1] = TUSB_DESC_OTHER_SPEED_CONFIG;
return desc_other_speed_config;
}
#endif
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