/* * 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, #if CFG_TUD_CDC // 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, #else .bDeviceClass = 0x00, .bDeviceSubClass = 0x00, .bDeviceProtocol = 0x00, #endif .bMaxPacketSize0 = CFG_TUD_ENDOINT0_SIZE, .idVendor = 0xCafe, .idProduct = USB_PID, .bcdDevice = 0x0100, .iManufacturer = 0x01, .iProduct = 0x02, .iSerialNumber = 0x03, .bNumConfigurations = 0x01 }; //------------- HID Report Descriptor -------------// #if CFG_TUD_HID enum { REPORT_ID_KEYBOARD = 1, REPORT_ID_MOUSE }; uint8_t const desc_hid_report[] = { TUD_HID_REPORT_DESC_KEYBOARD( HID_REPORT_ID(REPORT_ID_KEYBOARD), ), TUD_HID_REPORT_DESC_MOUSE ( HID_REPORT_ID(REPORT_ID_MOUSE), ) }; // Invoked when received GET HID REPORT DESCRIPTOR // Application return pointer to descriptor // Descriptor contents must exist long enough for transfer to complete uint8_t const * tud_hid_descriptor_report_cb(void) { return desc_hid_report; } #endif //------------- Configuration Descriptor -------------// enum { #if CFG_TUD_CDC ITF_NUM_CDC = 0, ITF_NUM_CDC_DATA, #endif #if CFG_TUD_MSC ITF_NUM_MSC, #endif #if CFG_TUD_HID ITF_NUM_HID, #endif ITF_NUM_TOTAL }; enum { CONFIG_TOTAL_LEN = TUD_CONFIG_DESC_LEN + CFG_TUD_CDC*TUD_CDC_DESC_LEN + CFG_TUD_MSC*TUD_MSC_DESC_LEN + CFG_TUD_HID*TUD_HID_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 etc ... // Note: since CDC EP ( 1 & 2), HID (4) are spot-on, thus we only need to force // endpoint number for MSC to 5 #define EPNUM_MSC 0x05 #else #define EPNUM_MSC 0x03 #endif 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), #if CFG_TUD_CDC // Interface number, string index, EP notification address and size, EP data address (out, in) and size. TUD_CDC_DESCRIPTOR(ITF_NUM_CDC, 4, 0x81, 8, 0x02, 0x82, 64), #endif #if CFG_TUD_MSC // Interface number, string index, EP Out & EP In address, EP size TUD_MSC_DESCRIPTOR(ITF_NUM_MSC, 5, EPNUM_MSC, 0x80 | EPNUM_MSC, 64), // highspeed 512 #endif #if CFG_TUD_HID // Interface number, string index, protocol, report descriptor len, EP In address, size & polling interval TUD_HID_DESCRIPTOR(ITF_NUM_HID, 6, HID_PROTOCOL_NONE, sizeof(desc_hid_report), 0x84, 16, 10) #endif }; // 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 "TinyUSB CDC", // 4: CDC Interface "TinyUSB MSC", // 5: MSC Interface "TinyUSB HID" // 6: HID }; 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