diff options
Diffstat (limited to 'tinyusb/examples/device/webusb_serial/src')
4 files changed, 706 insertions, 0 deletions
diff --git a/tinyusb/examples/device/webusb_serial/src/main.c b/tinyusb/examples/device/webusb_serial/src/main.c new file mode 100755 index 00000000..aba4aedf --- /dev/null +++ b/tinyusb/examples/device/webusb_serial/src/main.c @@ -0,0 +1,300 @@ +/* + * 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. + * + */ + +/* This example demonstrates WebUSB as web serial with browser with WebUSB support (e.g Chrome). + * After enumerated successfully, browser will pop-up notification + * with URL to landing page, click on it to test + * - Click "Connect" and select device, When connected the on-board LED will litted up. + * - Any charters received from either webusb/Serial will be echo back to webusb and Serial + * + * Note: + * - The WebUSB landing page notification is currently disabled in Chrome + * on Windows due to Chromium issue 656702 (https://crbug.com/656702). You have to + * go to landing page (below) to test + * + * - On Windows 7 and prior: You need to use Zadig tool to manually bind the + * WebUSB interface with the WinUSB driver for Chrome to access. From windows 8 and 10, this + * is done automatically by firmware. + * + * - On Linux/macOS, udev permission may need to be updated by + * - copying '/examples/device/99-tinyusb.rules' file to /etc/udev/rules.d/ then + * - run 'sudo udevadm control --reload-rules && sudo udevadm trigger' + */ + +#include <stdlib.h> +#include <stdio.h> +#include <string.h> + +#include "bsp/board.h" +#include "tusb.h" +#include "usb_descriptors.h" + +//--------------------------------------------------------------------+ +// MACRO CONSTANT TYPEDEF PROTYPES +//--------------------------------------------------------------------+ + +/* Blink pattern + * - 250 ms : device not mounted + * - 1000 ms : device mounted + * - 2500 ms : device is suspended + */ +enum { + BLINK_NOT_MOUNTED = 250, + BLINK_MOUNTED = 1000, + BLINK_SUSPENDED = 2500, + + BLINK_ALWAYS_ON = UINT32_MAX, + BLINK_ALWAYS_OFF = 0 +}; + +static uint32_t blink_interval_ms = BLINK_NOT_MOUNTED; + +#define URL "example.tinyusb.org/webusb-serial/" + +const tusb_desc_webusb_url_t desc_url = +{ + .bLength = 3 + sizeof(URL) - 1, + .bDescriptorType = 3, // WEBUSB URL type + .bScheme = 1, // 0: http, 1: https + .url = URL +}; + +static bool web_serial_connected = false; + +//------------- prototypes -------------// +void led_blinking_task(void); +void cdc_task(void); +void webserial_task(void); + +/*------------- MAIN -------------*/ +int main(void) +{ + board_init(); + + tusb_init(); + + while (1) + { + tud_task(); // tinyusb device task + cdc_task(); + webserial_task(); + led_blinking_task(); + } + + return 0; +} + +// send characters to both CDC and WebUSB +void echo_all(uint8_t buf[], uint32_t count) +{ + // echo to web serial + if ( web_serial_connected ) + { + tud_vendor_write(buf, count); + } + + // echo to cdc + if ( tud_cdc_connected() ) + { + for(uint32_t i=0; i<count; i++) + { + tud_cdc_write_char(buf[i]); + + if ( buf[i] == '\r' ) tud_cdc_write_char('\n'); + } + tud_cdc_write_flush(); + } +} + +//--------------------------------------------------------------------+ +// Device callbacks +//--------------------------------------------------------------------+ + +// Invoked when device is mounted +void tud_mount_cb(void) +{ + blink_interval_ms = BLINK_MOUNTED; +} + +// Invoked when device is unmounted +void tud_umount_cb(void) +{ + blink_interval_ms = BLINK_NOT_MOUNTED; +} + +// Invoked when usb bus is suspended +// remote_wakeup_en : if host allow us to perform remote wakeup +// Within 7ms, device must draw an average of current less than 2.5 mA from bus +void tud_suspend_cb(bool remote_wakeup_en) +{ + (void) remote_wakeup_en; + blink_interval_ms = BLINK_SUSPENDED; +} + +// Invoked when usb bus is resumed +void tud_resume_cb(void) +{ + blink_interval_ms = BLINK_MOUNTED; +} + +//--------------------------------------------------------------------+ +// WebUSB use vendor class +//--------------------------------------------------------------------+ + +// Invoked when a control transfer occurred on an interface of this class +// Driver response accordingly to the request and the transfer stage (setup/data/ack) +// return false to stall control endpoint (e.g unsupported request) +bool tud_vendor_control_xfer_cb(uint8_t rhport, uint8_t stage, tusb_control_request_t const * request) +{ + // nothing to with DATA & ACK stage + if (stage != CONTROL_STAGE_SETUP) return true; + + switch (request->bmRequestType_bit.type) + { + case TUSB_REQ_TYPE_VENDOR: + switch (request->bRequest) + { + case VENDOR_REQUEST_WEBUSB: + // match vendor request in BOS descriptor + // Get landing page url + return tud_control_xfer(rhport, request, (void*) &desc_url, desc_url.bLength); + + case VENDOR_REQUEST_MICROSOFT: + if ( request->wIndex == 7 ) + { + // Get Microsoft OS 2.0 compatible descriptor + uint16_t total_len; + memcpy(&total_len, desc_ms_os_20+8, 2); + + return tud_control_xfer(rhport, request, (void*) desc_ms_os_20, total_len); + }else + { + return false; + } + + default: break; + } + break; + + case TUSB_REQ_TYPE_CLASS: + if (request->bRequest == 0x22) + { + // Webserial simulate the CDC_REQUEST_SET_CONTROL_LINE_STATE (0x22) to connect and disconnect. + web_serial_connected = (request->wValue != 0); + + // Always lit LED if connected + if ( web_serial_connected ) + { + board_led_write(true); + blink_interval_ms = BLINK_ALWAYS_ON; + + tud_vendor_write_str("\r\nTinyUSB WebUSB device example\r\n"); + }else + { + blink_interval_ms = BLINK_MOUNTED; + } + + // response with status OK + return tud_control_status(rhport, request); + } + break; + + default: break; + } + + // stall unknown request + return false; +} + +void webserial_task(void) +{ + if ( web_serial_connected ) + { + if ( tud_vendor_available() ) + { + uint8_t buf[64]; + uint32_t count = tud_vendor_read(buf, sizeof(buf)); + + // echo back to both web serial and cdc + echo_all(buf, count); + } + } +} + + +//--------------------------------------------------------------------+ +// USB CDC +//--------------------------------------------------------------------+ +void cdc_task(void) +{ + if ( tud_cdc_connected() ) + { + // connected and there are data available + if ( tud_cdc_available() ) + { + uint8_t buf[64]; + + uint32_t count = tud_cdc_read(buf, sizeof(buf)); + + // echo back to both web serial and cdc + echo_all(buf, count); + } + } +} + +// Invoked when cdc when line state changed e.g connected/disconnected +void tud_cdc_line_state_cb(uint8_t itf, bool dtr, bool rts) +{ + (void) itf; + + // connected + if ( dtr && rts ) + { + // print initial message when connected + tud_cdc_write_str("\r\nTinyUSB WebUSB device example\r\n"); + } +} + +// Invoked when CDC interface received data from host +void tud_cdc_rx_cb(uint8_t itf) +{ + (void) itf; +} + +//--------------------------------------------------------------------+ +// BLINKING TASK +//--------------------------------------------------------------------+ +void led_blinking_task(void) +{ + static uint32_t start_ms = 0; + static bool led_state = false; + + // Blink every interval ms + if ( board_millis() - start_ms < blink_interval_ms) return; // not enough time + start_ms += blink_interval_ms; + + board_led_write(led_state); + led_state = 1 - led_state; // toggle +} diff --git a/tinyusb/examples/device/webusb_serial/src/tusb_config.h b/tinyusb/examples/device/webusb_serial/src/tusb_config.h new file mode 100755 index 00000000..26b81b38 --- /dev/null +++ b/tinyusb/examples/device/webusb_serial/src/tusb_config.h @@ -0,0 +1,118 @@ +/* + * 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. + * + */ + +#ifndef _TUSB_CONFIG_H_ +#define _TUSB_CONFIG_H_ + +#ifdef __cplusplus + extern "C" { +#endif + +//-------------------------------------------------------------------- +// COMMON CONFIGURATION +//-------------------------------------------------------------------- + +// defined by board.mk +#ifndef CFG_TUSB_MCU + #error CFG_TUSB_MCU must be defined +#endif + +// RHPort number used for device can be defined by board.mk, default to port 0 +#ifndef BOARD_DEVICE_RHPORT_NUM + #define BOARD_DEVICE_RHPORT_NUM 0 +#endif + +// RHPort max operational speed can defined by board.mk +// Default to Highspeed for MCU with internal HighSpeed PHY (can be port specific), otherwise FullSpeed +#ifndef BOARD_DEVICE_RHPORT_SPEED + #if (CFG_TUSB_MCU == OPT_MCU_LPC18XX || CFG_TUSB_MCU == OPT_MCU_LPC43XX || CFG_TUSB_MCU == OPT_MCU_MIMXRT10XX || \ + CFG_TUSB_MCU == OPT_MCU_NUC505 || CFG_TUSB_MCU == OPT_MCU_CXD56) + #define BOARD_DEVICE_RHPORT_SPEED OPT_MODE_HIGH_SPEED + #else + #define BOARD_DEVICE_RHPORT_SPEED OPT_MODE_FULL_SPEED + #endif +#endif + +// Device mode with rhport and speed defined by board.mk +#if BOARD_DEVICE_RHPORT_NUM == 0 + #define CFG_TUSB_RHPORT0_MODE (OPT_MODE_DEVICE | BOARD_DEVICE_RHPORT_SPEED) +#elif BOARD_DEVICE_RHPORT_NUM == 1 + #define CFG_TUSB_RHPORT1_MODE (OPT_MODE_DEVICE | BOARD_DEVICE_RHPORT_SPEED) +#else + #error "Incorrect RHPort configuration" +#endif + +#ifndef CFG_TUSB_OS +#define CFG_TUSB_OS OPT_OS_NONE +#endif + +// CFG_TUSB_DEBUG is defined by compiler in DEBUG build +// #define CFG_TUSB_DEBUG 0 + +/* USB DMA on some MCUs can only access a specific SRAM region with restriction on alignment. + * Tinyusb use follows macros to declare transferring memory so that they can be put + * into those specific section. + * e.g + * - CFG_TUSB_MEM SECTION : __attribute__ (( section(".usb_ram") )) + * - CFG_TUSB_MEM_ALIGN : __attribute__ ((aligned(4))) + */ +#ifndef CFG_TUSB_MEM_SECTION +#define CFG_TUSB_MEM_SECTION +#endif + +#ifndef CFG_TUSB_MEM_ALIGN +#define CFG_TUSB_MEM_ALIGN __attribute__ ((aligned(4))) +#endif + +//-------------------------------------------------------------------- +// DEVICE CONFIGURATION +//-------------------------------------------------------------------- + +#ifndef CFG_TUD_ENDPOINT0_SIZE +#define CFG_TUD_ENDPOINT0_SIZE 64 +#endif + +//------------- CLASS -------------// +#define CFG_TUD_CDC 1 +#define CFG_TUD_MSC 0 +#define CFG_TUD_HID 0 +#define CFG_TUD_MIDI 0 +#define CFG_TUD_VENDOR 1 + +// CDC FIFO size of TX and RX +#define CFG_TUD_CDC_RX_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) +#define CFG_TUD_CDC_TX_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) + +// Vendor FIFO size of TX and RX +// If not configured vendor endpoints will not be buffered +#define CFG_TUD_VENDOR_RX_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) +#define CFG_TUD_VENDOR_TX_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64) + + +#ifdef __cplusplus + } +#endif + +#endif /* _TUSB_CONFIG_H_ */ diff --git a/tinyusb/examples/device/webusb_serial/src/usb_descriptors.c b/tinyusb/examples/device/webusb_serial/src/usb_descriptors.c new file mode 100755 index 00000000..d1539488 --- /dev/null +++ b/tinyusb/examples/device/webusb_serial/src/usb_descriptors.c @@ -0,0 +1,252 @@ +/* + * 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" +#include "usb_descriptors.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] MIDI | 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) ) + +//--------------------------------------------------------------------+ +// Device Descriptors +//--------------------------------------------------------------------+ +tusb_desc_device_t const desc_device = +{ + .bLength = sizeof(tusb_desc_device_t), + .bDescriptorType = TUSB_DESC_DEVICE, + .bcdUSB = 0x0210, // at least 2.1 or 3.x for BOS & webUSB + + // 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 +}; + +// 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_VENDOR, + ITF_NUM_TOTAL +}; + +#define CONFIG_TOTAL_LEN (TUD_CONFIG_DESC_LEN + TUD_CDC_DESC_LEN + TUD_VENDOR_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 ... + #define EPNUM_CDC_IN 2 + #define EPNUM_CDC_OUT 2 + #define EPNUM_VENDOR_IN 5 + #define EPNUM_VENDOR_OUT 5 +#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_IN 2 + #define EPNUM_CDC_OUT 3 + #define EPNUM_VENDOR_IN 4 + #define EPNUM_VENDOR_OUT 5 +#else + #define EPNUM_CDC_IN 2 + #define EPNUM_CDC_OUT 2 + #define EPNUM_VENDOR_IN 3 + #define EPNUM_VENDOR_OUT 3 +#endif + +uint8_t const desc_configuration[] = +{ + // Config number, interface count, string index, total length, attribute, power in mA + TUD_CONFIG_DESCRIPTOR(1, ITF_NUM_TOTAL, 0, CONFIG_TOTAL_LEN, TUSB_DESC_CONFIG_ATT_REMOTE_WAKEUP, 100), + + // 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, EPNUM_CDC_OUT, 0x80 | EPNUM_CDC_IN, TUD_OPT_HIGH_SPEED ? 512 : 64), + + // Interface number, string index, EP Out & IN address, EP size + TUD_VENDOR_DESCRIPTOR(ITF_NUM_VENDOR, 5, EPNUM_VENDOR_OUT, 0x80 | EPNUM_VENDOR_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 desc_configuration; +} + +//--------------------------------------------------------------------+ +// BOS Descriptor +//--------------------------------------------------------------------+ + +/* Microsoft OS 2.0 registry property descriptor +Per MS requirements https://msdn.microsoft.com/en-us/library/windows/hardware/hh450799(v=vs.85).aspx +device should create DeviceInterfaceGUIDs. It can be done by driver and +in case of real PnP solution device should expose MS "Microsoft OS 2.0 +registry property descriptor". Such descriptor can insert any record +into Windows registry per device/configuration/interface. In our case it +will insert "DeviceInterfaceGUIDs" multistring property. + +GUID is freshly generated and should be OK to use. + +https://developers.google.com/web/fundamentals/native-hardware/build-for-webusb/ +(Section Microsoft OS compatibility descriptors) +*/ + +#define BOS_TOTAL_LEN (TUD_BOS_DESC_LEN + TUD_BOS_WEBUSB_DESC_LEN + TUD_BOS_MICROSOFT_OS_DESC_LEN) + +#define MS_OS_20_DESC_LEN 0xB2 + +// BOS Descriptor is required for webUSB +uint8_t const desc_bos[] = +{ + // total length, number of device caps + TUD_BOS_DESCRIPTOR(BOS_TOTAL_LEN, 2), + + // Vendor Code, iLandingPage + TUD_BOS_WEBUSB_DESCRIPTOR(VENDOR_REQUEST_WEBUSB, 1), + + // Microsoft OS 2.0 descriptor + TUD_BOS_MS_OS_20_DESCRIPTOR(MS_OS_20_DESC_LEN, VENDOR_REQUEST_MICROSOFT) +}; + +uint8_t const * tud_descriptor_bos_cb(void) +{ + return desc_bos; +} + + +uint8_t const desc_ms_os_20[] = +{ + // Set header: length, type, windows version, total length + U16_TO_U8S_LE(0x000A), U16_TO_U8S_LE(MS_OS_20_SET_HEADER_DESCRIPTOR), U32_TO_U8S_LE(0x06030000), U16_TO_U8S_LE(MS_OS_20_DESC_LEN), + + // Configuration subset header: length, type, configuration index, reserved, configuration total length + U16_TO_U8S_LE(0x0008), U16_TO_U8S_LE(MS_OS_20_SUBSET_HEADER_CONFIGURATION), 0, 0, U16_TO_U8S_LE(MS_OS_20_DESC_LEN-0x0A), + + // Function Subset header: length, type, first interface, reserved, subset length + U16_TO_U8S_LE(0x0008), U16_TO_U8S_LE(MS_OS_20_SUBSET_HEADER_FUNCTION), ITF_NUM_VENDOR, 0, U16_TO_U8S_LE(MS_OS_20_DESC_LEN-0x0A-0x08), + + // MS OS 2.0 Compatible ID descriptor: length, type, compatible ID, sub compatible ID + U16_TO_U8S_LE(0x0014), U16_TO_U8S_LE(MS_OS_20_FEATURE_COMPATBLE_ID), 'W', 'I', 'N', 'U', 'S', 'B', 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // sub-compatible + + // MS OS 2.0 Registry property descriptor: length, type + U16_TO_U8S_LE(MS_OS_20_DESC_LEN-0x0A-0x08-0x08-0x14), U16_TO_U8S_LE(MS_OS_20_FEATURE_REG_PROPERTY), + U16_TO_U8S_LE(0x0007), U16_TO_U8S_LE(0x002A), // wPropertyDataType, wPropertyNameLength and PropertyName "DeviceInterfaceGUIDs\0" in UTF-16 + 'D', 0x00, 'e', 0x00, 'v', 0x00, 'i', 0x00, 'c', 0x00, 'e', 0x00, 'I', 0x00, 'n', 0x00, 't', 0x00, 'e', 0x00, + 'r', 0x00, 'f', 0x00, 'a', 0x00, 'c', 0x00, 'e', 0x00, 'G', 0x00, 'U', 0x00, 'I', 0x00, 'D', 0x00, 's', 0x00, 0x00, 0x00, + U16_TO_U8S_LE(0x0050), // wPropertyDataLength + //bPropertyData: “{975F44D9-0D08-43FD-8B3E-127CA8AFFF9D}”. + '{', 0x00, '9', 0x00, '7', 0x00, '5', 0x00, 'F', 0x00, '4', 0x00, '4', 0x00, 'D', 0x00, '9', 0x00, '-', 0x00, + '0', 0x00, 'D', 0x00, '0', 0x00, '8', 0x00, '-', 0x00, '4', 0x00, '3', 0x00, 'F', 0x00, 'D', 0x00, '-', 0x00, + '8', 0x00, 'B', 0x00, '3', 0x00, 'E', 0x00, '-', 0x00, '1', 0x00, '2', 0x00, '7', 0x00, 'C', 0x00, 'A', 0x00, + '8', 0x00, 'A', 0x00, 'F', 0x00, 'F', 0x00, 'F', 0x00, '9', 0x00, 'D', 0x00, '}', 0x00, 0x00, 0x00, 0x00, 0x00 +}; + +TU_VERIFY_STATIC(sizeof(desc_ms_os_20) == MS_OS_20_DESC_LEN, "Incorrect size"); + +//--------------------------------------------------------------------+ +// 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 WebUSB" // 5: Vendor 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 = 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] = (TUSB_DESC_STRING << 8 ) | (2*chr_count + 2); + + return _desc_str; +} diff --git a/tinyusb/examples/device/webusb_serial/src/usb_descriptors.h b/tinyusb/examples/device/webusb_serial/src/usb_descriptors.h new file mode 100755 index 00000000..19f1ff3f --- /dev/null +++ b/tinyusb/examples/device/webusb_serial/src/usb_descriptors.h @@ -0,0 +1,36 @@ +/* + * 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. + */ + +#ifndef USB_DESCRIPTORS_H_ +#define USB_DESCRIPTORS_H_ + +enum +{ + VENDOR_REQUEST_WEBUSB = 1, + VENDOR_REQUEST_MICROSOFT = 2 +}; + +extern uint8_t const desc_ms_os_20[]; + +#endif /* USB_DESCRIPTORS_H_ */ |