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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]))
/* same VID/PID with different interface can cause issues! */
#define _PID_MAP(itf, n) ((CFG_TUD_##itf) << (2 * (n)))
#define USB_PID (0x4000 | _PID_MAP(CDC, 0) | _PID_MAP(MSC, 1) \
| _PID_MAP(HID, 2) | _PID_MAP(MIDI, 3) | _PID_MAP(VENDOR, 4))
#define USB_VID 0x1523
#define USB_BCD 0x0200
#define CONFIG_TOTAL_LEN \
(TUD_CONFIG_DESC_LEN + TUD_CDC_DESC_LEN + TUD_HID_DESC_LEN)
/* MCU-specific! */
#define EPNUM_CDC_NOTIF 0x81
#define EPNUM_CDC_OUT 0x02
#define EPNUM_CDC_IN 0x82
#define EPNUM_HID 0x83
enum {
ITF_NUM_CDC,
ITF_NUM_CDC_DATA,
ITF_NUM_HID_KBD,
ITF_NUM_TOTAL
};
tusb_desc_device_t const desc_device = {
.bLength = sizeof(tusb_desc_device_t),
.bDescriptorType = TUSB_DESC_DEVICE,
.bcdUSB = USB_BCD,
.bDeviceClass = 0x00,
.bDeviceSubClass = 0x00,
.bDeviceProtocol = 0x00,
.bMaxPacketSize0 = CFG_TUD_ENDPOINT0_SIZE,
.idVendor = USB_VID,
.idProduct = USB_PID,
.bcdDevice = 0x0100,
.iManufacturer = 0x01,
.iProduct = 0x02,
.iSerialNumber = 0x03,
.bNumConfigurations = 0x01
};
uint8_t const desc_hid_kbd_report[] = {
TUD_HID_REPORT_DESC_KEYBOARD()
};
uint8_t const 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))
};
uint8_t const 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, 8, 1)
};
#if TUD_OPT_HIGH_SPEED
uint8_t const 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, 8, 1)
};
uint8_t desc_other_speed_config[CONFIG_TOTAL_LEN];
tusb_desc_device_qualifier_t const desc_device_qualifier =
{
.bLength = sizeof(tusb_desc_device_qualifier_t),
.bDescriptorType = TUSB_DESC_DEVICE_QUALIFIER,
.bcdUSB = USB_BCD,
.bDeviceClass = 0x00,
.bDeviceSubClass = 0x00,
.bDeviceProtocol = 0x00,
.bMaxPacketSize0 = CFG_TUD_ENDPOINT0_SIZE,
.bNumConfigurations = 0x01,
.bReserved = 0x00
};
#endif
char const *string_desc_arr[] = {
[0] = "\x07\x04", /* LangID: German (0x0407) */
[1] = "TinyUSB", /* Manufacturer */
[2] = "TinyUSB Device", /* Product */
[3] = "123456", /* Serials, should use chip ID */
[4] = "SXKBD CDC",
};
static uint16_t _desc_str[32];
/* Invoked on GET DEVICE DESCRIPTOR */
uint8_t const *
tud_descriptor_device_cb(void)
{
return (uint8_t const *) &desc_device;
}
/* Invoked on GET HID REPORT DESCRIPTOR */
uint8_t const *
tud_hid_descriptor_report_cb(uint8_t itf)
{
(void) itf;
return desc_hid_kbd_report;
}
/* Invoked on GET CONFIGURATION DESCRIPTOR */
uint8_t const *
tud_descriptor_configuration_cb(uint8_t index)
{
(void) index;
#if TUD_OPT_HIGH_SPEED
return (tud_speed_get() == TUSB_SPEED_HIGH) ?
desc_hs_configuration : desc_fs_configuration;
#else
return desc_fs_configuration;
#endif
}
/* Invoked on GET STRING DESCRIPTOR */
uint16_t const *
tud_descriptor_string_cb(uint8_t index, uint16_t langid)
{
const char *str;
uint8_t i, chr_count;
(void) langid;
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
uint8_t const *
tud_descriptor_device_qualifier_cb(void)
{
return (uint8_t const*) &desc_device_qualifier;
}
/* Invoked on GET OTHER SEED CONFIGURATION DESCRIPTOR */
uint8_t const *
tud_descriptor_other_speed_configuration_cb(uint8_t index)
{
(void) index;
memcpy(desc_other_speed_config, (tud_speed_get() == TUSB_SPEED_HIGH)
? desc_fs_configuration : desc_hs_configuration,
CONFIG_TOTAL_LEN);
desc_other_speed_config[1] = TUSB_DESC_OTHER_SPEED_CONFIG;
return desc_other_speed_config;
}
#endif
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