269 lines
9.0 KiB
C
269 lines
9.0 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 "bsp/board_api.h"
|
|
#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) | \
|
|
_PID_MAP(MIDI, 3) | _PID_MAP(VENDOR, 4) )
|
|
|
|
// Configuration mode
|
|
// 0 : enumerated as CDC/MIDI. Board button is not pressed when enumerating
|
|
// 1 : enumerated as MSC. Board button is pressed when enumerating
|
|
static uint32_t mode = 0;
|
|
|
|
//--------------------------------------------------------------------+
|
|
// Device Descriptors
|
|
//--------------------------------------------------------------------+
|
|
tusb_desc_device_t const desc_device_0 =
|
|
{
|
|
.bLength = sizeof(tusb_desc_device_t),
|
|
.bDescriptorType = TUSB_DESC_DEVICE,
|
|
.bcdUSB = 0x0200,
|
|
|
|
// Use Interface Association Descriptor (IAD) for CDC
|
|
// As required by USB Specs IAD's subclass must be common class (2) and protocol must be IAD (1)
|
|
.bDeviceClass = TUSB_CLASS_MISC,
|
|
.bDeviceSubClass = MISC_SUBCLASS_COMMON,
|
|
.bDeviceProtocol = MISC_PROTOCOL_IAD,
|
|
|
|
.bMaxPacketSize0 = CFG_TUD_ENDPOINT0_SIZE,
|
|
.idVendor = 0xCafe,
|
|
.idProduct = USB_PID,
|
|
.bcdDevice = 0x0100,
|
|
|
|
.iManufacturer = 0x01,
|
|
.iProduct = 0x02,
|
|
.iSerialNumber = 0x03,
|
|
|
|
.bNumConfigurations = 0x01
|
|
};
|
|
|
|
tusb_desc_device_t const desc_device_1 =
|
|
{
|
|
.bLength = sizeof(tusb_desc_device_t),
|
|
.bDescriptorType = TUSB_DESC_DEVICE,
|
|
.bcdUSB = 0x0200,
|
|
.bDeviceClass = 0,
|
|
.bDeviceSubClass = 0,
|
|
.bDeviceProtocol = 0,
|
|
|
|
.bMaxPacketSize0 = CFG_TUD_ENDPOINT0_SIZE,
|
|
.idVendor = 0xCafe,
|
|
.idProduct = USB_PID + 11, // should be different PID than desc0
|
|
.bcdDevice = 0x0100,
|
|
|
|
.iManufacturer = 0x01,
|
|
.iProduct = 0x02,
|
|
.iSerialNumber = 0x03,
|
|
|
|
.bNumConfigurations = 0x01
|
|
};
|
|
|
|
// Invoked when received GET DEVICE DESCRIPTOR
|
|
// Application return pointer to descriptor
|
|
uint8_t const * tud_descriptor_device_cb(void)
|
|
{
|
|
mode = board_button_read();
|
|
return (uint8_t const*) (mode ? &desc_device_1 : &desc_device_0);
|
|
}
|
|
|
|
//--------------------------------------------------------------------+
|
|
// Configuration Descriptor
|
|
//--------------------------------------------------------------------+
|
|
|
|
enum
|
|
{
|
|
ITF_0_NUM_CDC = 0,
|
|
ITF_0_NUM_CDC_DATA,
|
|
ITF_0_NUM_MIDI,
|
|
ITF_0_NUM_MIDI_STREAMING,
|
|
ITF_0_NUM_TOTAL
|
|
};
|
|
|
|
enum
|
|
{
|
|
ITF_1_NUM_MSC = 0,
|
|
ITF_1_NUM_TOTAL
|
|
};
|
|
|
|
#define CONFIG_0_TOTAL_LEN (TUD_CONFIG_DESC_LEN + TUD_CDC_DESC_LEN + TUD_MIDI_DESC_LEN)
|
|
#define CONFIG_1_TOTAL_LEN (TUD_CONFIG_DESC_LEN + TUD_MSC_DESC_LEN)
|
|
|
|
#if CFG_TUSB_MCU == OPT_MCU_LPC175X_6X || CFG_TUSB_MCU == OPT_MCU_LPC177X_8X || CFG_TUSB_MCU == OPT_MCU_LPC40XX
|
|
// LPC 17xx and 40xx endpoint type (bulk/interrupt/iso) are fixed by its number
|
|
// 0 control, 1 In, 2 Bulk, 3 Iso, 4 In, 5 Bulk etc ...
|
|
#define EPNUM_0_CDC_NOTIF 0x81
|
|
#define EPNUM_0_CDC_OUT 0x02
|
|
#define EPNUM_0_CDC_IN 0x82
|
|
|
|
#define EPNUM_0_MIDI_OUT 0x05
|
|
#define EPNUM_0_MIDI_IN 0x85
|
|
|
|
#define EPNUM_1_MSC_OUT 0x02
|
|
#define EPNUM_1_MSC_IN 0x82
|
|
|
|
#elif CFG_TUSB_MCU == OPT_MCU_SAMG
|
|
// SAMG doesn't support a same endpoint number with different direction IN and OUT
|
|
// e.g EP1 OUT & EP1 IN cannot exist together
|
|
#define EPNUM_0_CDC_NOTIF 0x81
|
|
#define EPNUM_0_CDC_OUT 0x02
|
|
#define EPNUM_0_CDC_IN 0x83
|
|
|
|
#define EPNUM_0_MIDI_OUT 0x04
|
|
#define EPNUM_0_MIDI_IN 0x85
|
|
|
|
#define EPNUM_1_MSC_OUT 0x01
|
|
#define EPNUM_1_MSC_IN 0x82
|
|
|
|
#elif CFG_TUSB_MCU == OPT_MCU_FT90X || CFG_TUSB_MCU == OPT_MCU_FT93X
|
|
// FT9XX doesn't support a same endpoint number with different direction IN and OUT
|
|
// e.g EP1 OUT & EP1 IN cannot exist together
|
|
#define EPNUM_0_CDC_NOTIF 0x81
|
|
#define EPNUM_0_CDC_OUT 0x02
|
|
#define EPNUM_0_CDC_IN 0x83
|
|
|
|
#define EPNUM_0_MIDI_OUT 0x04
|
|
#define EPNUM_0_MIDI_IN 0x85
|
|
|
|
#define EPNUM_1_MSC_OUT 0x01
|
|
#define EPNUM_1_MSC_IN 0x82
|
|
|
|
#else
|
|
#define EPNUM_0_CDC_NOTIF 0x81
|
|
#define EPNUM_0_CDC_OUT 0x02
|
|
#define EPNUM_0_CDC_IN 0x82
|
|
|
|
#define EPNUM_0_MIDI_OUT 0x03
|
|
#define EPNUM_0_MIDI_IN 0x83
|
|
|
|
#define EPNUM_1_MSC_OUT 0x01
|
|
#define EPNUM_1_MSC_IN 0x81
|
|
#endif
|
|
|
|
uint8_t const desc_configuration_0[] =
|
|
{
|
|
// Config number, interface count, string index, total length, attribute, power in mA
|
|
TUD_CONFIG_DESCRIPTOR(1, ITF_0_NUM_TOTAL, 0, CONFIG_0_TOTAL_LEN, 0x00, 100),
|
|
|
|
// Interface number, string index, EP notification address and size, EP data address (out, in) and size.
|
|
TUD_CDC_DESCRIPTOR(ITF_0_NUM_CDC, 0, EPNUM_0_CDC_NOTIF, 8, EPNUM_0_CDC_OUT, EPNUM_0_CDC_IN, TUD_OPT_HIGH_SPEED ? 512 : 64),
|
|
|
|
// Interface number, string index, EP Out & EP In address, EP size
|
|
TUD_MIDI_DESCRIPTOR(ITF_0_NUM_MIDI, 0, EPNUM_0_MIDI_OUT, EPNUM_0_MIDI_IN, TUD_OPT_HIGH_SPEED ? 512 : 64),
|
|
};
|
|
|
|
|
|
uint8_t const desc_configuration_1[] =
|
|
{
|
|
// Config number, interface count, string index, total length, attribute, power in mA
|
|
TUD_CONFIG_DESCRIPTOR(1, ITF_1_NUM_TOTAL, 0, CONFIG_1_TOTAL_LEN, 0x00, 100),
|
|
|
|
// Interface number, string index, EP Out & EP In address, EP size
|
|
TUD_MSC_DESCRIPTOR(ITF_1_NUM_MSC, 0, EPNUM_1_MSC_OUT, EPNUM_1_MSC_IN, TUD_OPT_HIGH_SPEED ? 512 : 64),
|
|
};
|
|
|
|
|
|
// 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 mode ? desc_configuration_1 : desc_configuration_0;
|
|
}
|
|
|
|
//--------------------------------------------------------------------+
|
|
// String Descriptors
|
|
//--------------------------------------------------------------------+
|
|
|
|
// String Descriptor Index
|
|
enum {
|
|
STRID_LANGID = 0,
|
|
STRID_MANUFACTURER,
|
|
STRID_PRODUCT,
|
|
STRID_SERIAL,
|
|
};
|
|
|
|
// 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
|
|
NULL, // 3: Serials will use unique ID if possible
|
|
};
|
|
|
|
static uint16_t _desc_str[32 + 1];
|
|
|
|
// 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, uint16_t langid) {
|
|
(void) langid;
|
|
size_t chr_count;
|
|
|
|
switch ( index ) {
|
|
case STRID_LANGID:
|
|
memcpy(&_desc_str[1], string_desc_arr[0], 2);
|
|
chr_count = 1;
|
|
break;
|
|
|
|
case STRID_SERIAL:
|
|
chr_count = board_usb_get_serial(_desc_str + 1, 32);
|
|
break;
|
|
|
|
default:
|
|
// Note: the 0xEE index string is a Microsoft OS 1.0 Descriptors.
|
|
// https://docs.microsoft.com/en-us/windows-hardware/drivers/usbcon/microsoft-defined-usb-descriptors
|
|
|
|
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);
|
|
size_t const max_count = sizeof(_desc_str) / sizeof(_desc_str[0]) - 1; // -1 for string type
|
|
if ( chr_count > max_count ) chr_count = max_count;
|
|
|
|
// Convert ASCII string into UTF-16
|
|
for ( size_t i = 0; i < chr_count; i++ ) {
|
|
_desc_str[1 + i] = str[i];
|
|
}
|
|
break;
|
|
}
|
|
|
|
// first byte is length (including header), second byte is string type
|
|
_desc_str[0] = (uint16_t) ((TUSB_DESC_STRING << 8) | (2 * chr_count + 2));
|
|
|
|
return _desc_str;
|
|
}
|