145 lines
4.6 KiB
C
145 lines
4.6 KiB
C
/*
|
|
* The MIT License (MIT)
|
|
*
|
|
* Copyright (c) 2019 Ha Thach (tinyusb.org)
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
* in the Software without restriction, including without limitation the rights
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
* THE SOFTWARE.
|
|
*
|
|
*/
|
|
|
|
#include "tusb.h"
|
|
|
|
/* A combination of interfaces must have a unique product id, since PC will save device driver after the first plug.
|
|
* Same VID/PID with different interface e.g MSC (first), then CDC (later) will possibly cause system error on PC.
|
|
*
|
|
* Auto ProductID layout's Bitmap:
|
|
* [MSB] HID | MSC | CDC [LSB]
|
|
*/
|
|
#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) )
|
|
|
|
//------------- Device Descriptors -------------//
|
|
tusb_desc_device_t const desc_device =
|
|
{
|
|
.bLength = sizeof(tusb_desc_device_t),
|
|
.bDescriptorType = TUSB_DESC_DEVICE,
|
|
.bcdUSB = 0x0200,
|
|
.bDeviceClass = 0x00,
|
|
.bDeviceSubClass = 0x00,
|
|
.bDeviceProtocol = 0x00,
|
|
.bMaxPacketSize0 = CFG_TUD_ENDOINT0_SIZE,
|
|
|
|
.idVendor = 0xCafe,
|
|
.idProduct = USB_PID,
|
|
.bcdDevice = 0x0100,
|
|
|
|
.iManufacturer = 0x01,
|
|
.iProduct = 0x02,
|
|
.iSerialNumber = 0x03,
|
|
|
|
.bNumConfigurations = 0x01
|
|
};
|
|
|
|
//------------- Configuration Descriptor -------------//
|
|
enum
|
|
{
|
|
ITF_NUM_MSC,
|
|
ITF_NUM_TOTAL
|
|
};
|
|
|
|
enum
|
|
{
|
|
CONFIG_TOTAL_LEN = TUD_CONFIG_DESC_LEN + TUD_MSC_DESC_LEN
|
|
};
|
|
|
|
// Use Endpoint 2 instead of 1 due to NXP MCU
|
|
// LPC 17xx and 40xx endpoint type (bulk/interrupt/iso) are fixed by its number
|
|
// 0 control, 1 In, 2 Bulk, 3 Iso, 4 In etc ...
|
|
#define EPNUM_MSC 0x02
|
|
|
|
uint8_t const desc_configuration[] =
|
|
{
|
|
// Inteface count, string index, total length, attribute, power in mA
|
|
TUD_CONFIG_DESCRIPTOR(ITF_NUM_TOTAL, 0, CONFIG_TOTAL_LEN, TUSB_DESC_CONFIG_ATT_REMOTE_WAKEUP, 100),
|
|
|
|
// Interface number, string index, EP Out & EP In address, EP size
|
|
TUD_MSC_DESCRIPTOR(ITF_NUM_MSC, 0, EPNUM_MSC, 0x80 | EPNUM_MSC, 64), // highspeed 512
|
|
};
|
|
|
|
// Invoked when received GET DEVICE DESCRIPTOR
|
|
// Application return pointer to descriptor
|
|
uint8_t const * tud_descriptor_device_cb(void)
|
|
{
|
|
return (uint8_t const *) &desc_device;
|
|
}
|
|
|
|
// Invoked when received GET CONFIGURATION DESCRIPTOR
|
|
// Application return pointer to descriptor
|
|
// Descriptor contents must exist long enough for transfer to complete
|
|
uint8_t const * tud_descriptor_configuration_cb(uint8_t index)
|
|
{
|
|
(void) index; // for multiple configurations
|
|
return desc_configuration;
|
|
}
|
|
|
|
//------------- String Descriptors -------------//
|
|
|
|
// array of pointer to string descriptors
|
|
char const* string_desc_arr [] =
|
|
{
|
|
(const char[]) { 0x09, 0x04 }, // 0: is supported language is English (0x0409)
|
|
"TinyUSB", // 1: Manufacturer
|
|
"TinyUSB Device", // 2: Product
|
|
"123456", // 3: Serials, should use chip ID
|
|
};
|
|
|
|
static uint16_t _desc_str[32];
|
|
|
|
// Invoked when received GET STRING DESCRIPTOR request
|
|
// Application return pointer to descriptor, whose contents must exist long enough for transfer to complete
|
|
uint16_t const* tud_descriptor_string_cb(uint8_t index)
|
|
{
|
|
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];
|
|
|
|
// Cap at max char
|
|
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];
|
|
}
|
|
}
|
|
|
|
// first byte is len, second byte is string type
|
|
_desc_str[0] = TUD_DESC_STR_HEADER(chr_count);
|
|
|
|
return _desc_str;
|
|
}
|