Files
FizzyApple12_Waccon/WaccaProtocolTranslator/usbDescriptors.c
T

109 lines
3.2 KiB
C

#include "tusb.h"
#define _PID_MAP(itf, n) ( (CFG_TUD_##itf) << (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 0xCafe
#define USB_BCD 0x0200
//--------------------------------------------------------------------+
// Device Descriptors
//--------------------------------------------------------------------+
tusb_desc_device_t const desc_device = {
.bLength = sizeof(tusb_desc_device_t),
.bDescriptorType = TUSB_DESC_DEVICE,
.bcdUSB = USB_BCD,
.bDeviceClass = TUSB_CLASS_MISC,
.bDeviceSubClass = MISC_SUBCLASS_COMMON,
.bDeviceProtocol = MISC_PROTOCOL_IAD,
.bMaxPacketSize0 = CFG_TUD_ENDPOINT0_SIZE,
.idVendor = USB_VID,
.idProduct = USB_PID,
.bcdDevice = 0x0100,
.iManufacturer = 0x01,
.iProduct = 0x02,
.iSerialNumber = 0x03,
.bNumConfigurations = 0x01
};
uint8_t const * tud_descriptor_device_cb(void) {
return (uint8_t const *) &desc_device;
}
//--------------------------------------------------------------------+
// Configuration Descriptor
//--------------------------------------------------------------------+
enum {
ITF_NUM_CDC_0 = 0,
ITF_NUM_CDC_0_DATA,
// ITF_NUM_CDC_1,
// ITF_NUM_CDC_1_DATA,
ITF_NUM_TOTAL
};
#define CONFIG_TOTAL_LEN (TUD_CONFIG_DESC_LEN + CFG_TUD_CDC * TUD_CDC_DESC_LEN)
#define EPNUM_CDC_0_NOTIF 0x81
#define EPNUM_CDC_0_OUT 0x02
#define EPNUM_CDC_0_IN 0x82
//#define EPNUM_CDC_1_NOTIF 0x83
//#define EPNUM_CDC_1_OUT 0x04
//#define EPNUM_CDC_1_IN 0x84
uint8_t const desc_fs_configuration[] = {
TUD_CONFIG_DESCRIPTOR(1, ITF_NUM_TOTAL, 0, CONFIG_TOTAL_LEN, 0x00, 100),
TUD_CDC_DESCRIPTOR(ITF_NUM_CDC_0, 4, EPNUM_CDC_0_NOTIF, 8, EPNUM_CDC_0_OUT, EPNUM_CDC_0_IN, 64),
//TUD_CDC_DESCRIPTOR(ITF_NUM_CDC_1, 4, EPNUM_CDC_1_NOTIF, 8, EPNUM_CDC_1_OUT, EPNUM_CDC_1_IN, 64),
};
uint8_t const * tud_descriptor_configuration_cb(uint8_t index) {
(void) index;
return desc_fs_configuration;
}
//--------------------------------------------------------------------+
// String Descriptors
//--------------------------------------------------------------------+
char const* string_desc_arr [] = {
(const char[]) { 0x09, 0x04 }, // 0: is supported language is English (0x0409)
"FizzyApple12", // 1: Manufacturer
"Wacca Controller", // 2: Product
"mb-rp2040", // 3: Serials, should use chip ID
"Wacca CDC", // 4: CDC Interface
};
static uint16_t _desc_str[32];
uint16_t const* tud_descriptor_string_cb(uint8_t index, uint16_t langid) {
(void) langid;
uint8_t chr_count;
if (index == 0) {
memcpy(&_desc_str[1], string_desc_arr[0], 2);
chr_count = 1;
} else {
if (!(index < sizeof(string_desc_arr) / sizeof(string_desc_arr[0]))) return NULL;
const char* str = string_desc_arr[index];
chr_count = strlen(str);
if (chr_count > 31) chr_count = 31;
for(uint8_t i = 0; i < chr_count; i++) {
_desc_str[1 + i] = str[i];
}
}
_desc_str[0] = (TUSB_DESC_STRING << 8) | (2 * chr_count + 2);
return _desc_str;
}