mirror of
https://github.com/aotta/PicoPAC
synced 2024-12-21 20:38:48 -05:00
289 lines
10 KiB
C
289 lines
10 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) | \
|
|
_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,
|
|
|
|
// 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 = USB_VID,
|
|
.idProduct = USB_PID,
|
|
.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)
|
|
{
|
|
return (uint8_t const *) &desc_device;
|
|
}
|
|
|
|
//--------------------------------------------------------------------+
|
|
// Configuration Descriptor
|
|
//--------------------------------------------------------------------+
|
|
|
|
enum
|
|
{
|
|
ITF_NUM_CDC = 0,
|
|
ITF_NUM_CDC_DATA,
|
|
ITF_NUM_MSC,
|
|
ITF_NUM_TOTAL
|
|
};
|
|
|
|
#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_CDC_NOTIF 0x81
|
|
#define EPNUM_CDC_OUT 0x02
|
|
#define EPNUM_CDC_IN 0x82
|
|
|
|
#define EPNUM_MSC_OUT 0x05
|
|
#define EPNUM_MSC_IN 0x85
|
|
|
|
#elif CFG_TUSB_MCU == OPT_MCU_SAMG || CFG_TUSB_MCU == OPT_MCU_SAMX7X
|
|
// SAMG & SAME70 don't support a same endpoint number with different direction IN and OUT
|
|
// e.g EP1 OUT & EP1 IN cannot exist together
|
|
#define EPNUM_CDC_NOTIF 0x81
|
|
#define EPNUM_CDC_OUT 0x02
|
|
#define EPNUM_CDC_IN 0x83
|
|
|
|
#define EPNUM_MSC_OUT 0x04
|
|
#define EPNUM_MSC_IN 0x85
|
|
|
|
#elif CFG_TUSB_MCU == OPT_MCU_CXD56
|
|
// CXD56 doesn't support a same endpoint number with different direction IN and OUT
|
|
// e.g EP1 OUT & EP1 IN cannot exist together
|
|
// CXD56 USB driver has fixed endpoint type (bulk/interrupt/iso) and direction (IN/OUT) by its number
|
|
// 0 control (IN/OUT), 1 Bulk (IN), 2 Bulk (OUT), 3 In (IN), 4 Bulk (IN), 5 Bulk (OUT), 6 In (IN)
|
|
#define EPNUM_CDC_NOTIF 0x83
|
|
#define EPNUM_CDC_OUT 0x02
|
|
#define EPNUM_CDC_IN 0x81
|
|
|
|
#define EPNUM_MSC_OUT 0x05
|
|
#define EPNUM_MSC_IN 0x84
|
|
|
|
#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_CDC_NOTIF 0x81
|
|
#define EPNUM_CDC_OUT 0x02
|
|
#define EPNUM_CDC_IN 0x83
|
|
|
|
#define EPNUM_MSC_OUT 0x04
|
|
#define EPNUM_MSC_IN 0x85
|
|
|
|
#else
|
|
#define EPNUM_CDC_NOTIF 0x81
|
|
#define EPNUM_CDC_OUT 0x02
|
|
#define EPNUM_CDC_IN 0x82
|
|
|
|
#define EPNUM_MSC_OUT 0x03
|
|
#define EPNUM_MSC_IN 0x83
|
|
|
|
#endif
|
|
|
|
#define CONFIG_TOTAL_LEN (TUD_CONFIG_DESC_LEN + TUD_CDC_DESC_LEN + TUD_MSC_DESC_LEN)
|
|
|
|
// full speed configuration
|
|
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, 0x00, 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, EP Out & EP In address, EP size
|
|
TUD_MSC_DESCRIPTOR(ITF_NUM_MSC, 5, EPNUM_MSC_OUT, EPNUM_MSC_IN, 64),
|
|
};
|
|
|
|
#if TUD_OPT_HIGH_SPEED
|
|
// Per USB specs: high speed capable device must report device_qualifier and other_speed_configuration
|
|
|
|
// high speed configuration
|
|
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, 0x00, 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, EP Out & EP In address, EP size
|
|
TUD_MSC_DESCRIPTOR(ITF_NUM_MSC, 5, EPNUM_MSC_OUT, EPNUM_MSC_IN, 512),
|
|
};
|
|
|
|
// other speed configuration
|
|
uint8_t desc_other_speed_config[CONFIG_TOTAL_LEN];
|
|
|
|
// device qualifier is mostly similar to device descriptor since we don't change configuration based on speed
|
|
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 = TUSB_CLASS_MISC,
|
|
.bDeviceSubClass = MISC_SUBCLASS_COMMON,
|
|
.bDeviceProtocol = MISC_PROTOCOL_IAD,
|
|
|
|
.bMaxPacketSize0 = CFG_TUD_ENDPOINT0_SIZE,
|
|
.bNumConfigurations = 0x01,
|
|
.bReserved = 0x00
|
|
};
|
|
|
|
// Invoked when received GET DEVICE QUALIFIER DESCRIPTOR request
|
|
// Application return pointer to descriptor, whose contents must exist long enough for transfer to complete.
|
|
// device_qualifier descriptor describes information about a high-speed capable device that would
|
|
// change if the device were operating at the other speed. If not highspeed capable stall this request.
|
|
uint8_t const* tud_descriptor_device_qualifier_cb(void)
|
|
{
|
|
return (uint8_t const*) &desc_device_qualifier;
|
|
}
|
|
|
|
// Invoked when received GET OTHER SEED CONFIGURATION DESCRIPTOR request
|
|
// Application return pointer to descriptor, whose contents must exist long enough for transfer to complete
|
|
// Configuration descriptor in the other speed e.g if high speed then this is for full speed and vice versa
|
|
uint8_t const* tud_descriptor_other_speed_configuration_cb(uint8_t index)
|
|
{
|
|
(void) index; // for multiple configurations
|
|
|
|
// if link speed is high return fullspeed config, and vice versa
|
|
// Note: the descriptor type is OHER_SPEED_CONFIG instead of CONFIG
|
|
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 // highspeed
|
|
|
|
|
|
// 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
|
|
|
|
#if TUD_OPT_HIGH_SPEED
|
|
// Although we are highspeed, host may be fullspeed.
|
|
return (tud_speed_get() == TUSB_SPEED_HIGH) ? desc_hs_configuration : desc_fs_configuration;
|
|
#else
|
|
return desc_fs_configuration;
|
|
#endif
|
|
}
|
|
|
|
//--------------------------------------------------------------------+
|
|
// String Descriptors
|
|
//--------------------------------------------------------------------+
|
|
|
|
// array of pointer to string descriptors
|
|
char const* string_desc_arr [] =
|
|
{
|
|
(const char[]) { 0x09, 0x04 }, // 0: is supported language is English (0x0409)
|
|
"MindSoft", // 1: Manufacturer
|
|
"SDPicoCart", // 2: Product
|
|
"123456789012", // 3: Serials, should use chip ID
|
|
"SDPicoCart CDC", // 4: CDC Interface
|
|
"SDPicoCart MSC", // 5: MSC Interface
|
|
};
|
|
|
|
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, 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
|
|
{
|
|
// 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 = (uint8_t) strlen(str);
|
|
if ( chr_count > 31 ) chr_count = 31;
|
|
|
|
// Convert ASCII string into UTF-16
|
|
for(uint8_t i=0; i<chr_count; i++)
|
|
{
|
|
_desc_str[1+i] = str[i];
|
|
}
|
|
}
|
|
|
|
// 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;
|
|
}
|