Squashed 'third_party/pico-sdk/lib/tinyusb/' content from commit 868948f67c
Change-Id: I5d33c2566dd597be9d4b1c30d4b3723c5ef4a265
git-subtree-dir: third_party/pico-sdk/lib/tinyusb
git-subtree-split: 868948f67c90fa7c2553cdcd604b52862cf55720
Signed-off-by: Austin Schuh <austin.linux@gmail.com>
diff --git a/examples/device/hid_composite/CMakeLists.txt b/examples/device/hid_composite/CMakeLists.txt
new file mode 100644
index 0000000..abc4d91
--- /dev/null
+++ b/examples/device/hid_composite/CMakeLists.txt
@@ -0,0 +1,28 @@
+cmake_minimum_required(VERSION 3.5)
+
+include(${CMAKE_CURRENT_SOURCE_DIR}/../../../hw/bsp/family_support.cmake)
+
+# gets PROJECT name for the example (e.g. <BOARD>-<DIR_NAME>)
+family_get_project_name(PROJECT ${CMAKE_CURRENT_LIST_DIR})
+
+project(${PROJECT})
+
+# Checks this example is valid for the family and initializes the project
+family_initialize_project(${PROJECT} ${CMAKE_CURRENT_LIST_DIR})
+
+add_executable(${PROJECT})
+
+# Example source
+target_sources(${PROJECT} PUBLIC
+ ${CMAKE_CURRENT_SOURCE_DIR}/src/main.c
+ ${CMAKE_CURRENT_SOURCE_DIR}/src/usb_descriptors.c
+ )
+
+# Example include
+target_include_directories(${PROJECT} PUBLIC
+ ${CMAKE_CURRENT_SOURCE_DIR}/src
+ )
+
+# Configure compilation flags and libraries for the example... see the corresponding function
+# in hw/bsp/FAMILY/family.cmake for details.
+family_configure_device_example(${PROJECT})
\ No newline at end of file
diff --git a/examples/device/hid_composite/Makefile b/examples/device/hid_composite/Makefile
new file mode 100644
index 0000000..69b633f
--- /dev/null
+++ b/examples/device/hid_composite/Makefile
@@ -0,0 +1,12 @@
+include ../../../tools/top.mk
+include ../../make.mk
+
+INC += \
+ src \
+ $(TOP)/hw \
+
+# Example source
+EXAMPLE_SOURCE += $(wildcard src/*.c)
+SRC_C += $(addprefix $(CURRENT_PATH)/, $(EXAMPLE_SOURCE))
+
+include ../../rules.mk
diff --git a/examples/device/hid_composite/src/main.c b/examples/device/hid_composite/src/main.c
new file mode 100644
index 0000000..fd25e62
--- /dev/null
+++ b/examples/device/hid_composite/src/main.c
@@ -0,0 +1,302 @@
+/*
+ * 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 <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,
+};
+
+static uint32_t blink_interval_ms = BLINK_NOT_MOUNTED;
+
+void led_blinking_task(void);
+void hid_task(void);
+
+/*------------- MAIN -------------*/
+int main(void)
+{
+ board_init();
+ tusb_init();
+
+ while (1)
+ {
+ tud_task(); // tinyusb device task
+ led_blinking_task();
+
+ hid_task();
+ }
+
+ return 0;
+}
+
+//--------------------------------------------------------------------+
+// 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;
+}
+
+//--------------------------------------------------------------------+
+// USB HID
+//--------------------------------------------------------------------+
+
+static void send_hid_report(uint8_t report_id, uint32_t btn)
+{
+ // skip if hid is not ready yet
+ if ( !tud_hid_ready() ) return;
+
+ switch(report_id)
+ {
+ case REPORT_ID_KEYBOARD:
+ {
+ // use to avoid send multiple consecutive zero report for keyboard
+ static bool has_keyboard_key = false;
+
+ if ( btn )
+ {
+ uint8_t keycode[6] = { 0 };
+ keycode[0] = HID_KEY_A;
+
+ tud_hid_keyboard_report(REPORT_ID_KEYBOARD, 0, keycode);
+ has_keyboard_key = true;
+ }else
+ {
+ // send empty key report if previously has key pressed
+ if (has_keyboard_key) tud_hid_keyboard_report(REPORT_ID_KEYBOARD, 0, NULL);
+ has_keyboard_key = false;
+ }
+ }
+ break;
+
+ case REPORT_ID_MOUSE:
+ {
+ int8_t const delta = 5;
+
+ // no button, right + down, no scroll, no pan
+ tud_hid_mouse_report(REPORT_ID_MOUSE, 0x00, delta, delta, 0, 0);
+ }
+ break;
+
+ case REPORT_ID_CONSUMER_CONTROL:
+ {
+ // use to avoid send multiple consecutive zero report
+ static bool has_consumer_key = false;
+
+ if ( btn )
+ {
+ // volume down
+ uint16_t volume_down = HID_USAGE_CONSUMER_VOLUME_DECREMENT;
+ tud_hid_report(REPORT_ID_CONSUMER_CONTROL, &volume_down, 2);
+ has_consumer_key = true;
+ }else
+ {
+ // send empty key report (release key) if previously has key pressed
+ uint16_t empty_key = 0;
+ if (has_consumer_key) tud_hid_report(REPORT_ID_CONSUMER_CONTROL, &empty_key, 2);
+ has_consumer_key = false;
+ }
+ }
+ break;
+
+ case REPORT_ID_GAMEPAD:
+ {
+ // use to avoid send multiple consecutive zero report for keyboard
+ static bool has_gamepad_key = false;
+
+ hid_gamepad_report_t report =
+ {
+ .x = 0, .y = 0, .z = 0, .rz = 0, .rx = 0, .ry = 0,
+ .hat = 0, .buttons = 0
+ };
+
+ if ( btn )
+ {
+ report.hat = GAMEPAD_HAT_UP;
+ report.buttons = GAMEPAD_BUTTON_A;
+ tud_hid_report(REPORT_ID_GAMEPAD, &report, sizeof(report));
+
+ has_gamepad_key = true;
+ }else
+ {
+ report.hat = GAMEPAD_HAT_CENTERED;
+ report.buttons = 0;
+ if (has_gamepad_key) tud_hid_report(REPORT_ID_GAMEPAD, &report, sizeof(report));
+ has_gamepad_key = false;
+ }
+ }
+ break;
+
+ default: break;
+ }
+}
+
+// Every 10ms, we will sent 1 report for each HID profile (keyboard, mouse etc ..)
+// tud_hid_report_complete_cb() is used to send the next report after previous one is complete
+void hid_task(void)
+{
+ // Poll every 10ms
+ const uint32_t interval_ms = 10;
+ static uint32_t start_ms = 0;
+
+ if ( board_millis() - start_ms < interval_ms) return; // not enough time
+ start_ms += interval_ms;
+
+ uint32_t const btn = board_button_read();
+
+ // Remote wakeup
+ if ( tud_suspended() && btn )
+ {
+ // Wake up host if we are in suspend mode
+ // and REMOTE_WAKEUP feature is enabled by host
+ tud_remote_wakeup();
+ }else
+ {
+ // Send the 1st of report chain, the rest will be sent by tud_hid_report_complete_cb()
+ send_hid_report(REPORT_ID_KEYBOARD, btn);
+ }
+}
+
+// Invoked when sent REPORT successfully to host
+// Application can use this to send the next report
+// Note: For composite reports, report[0] is report ID
+void tud_hid_report_complete_cb(uint8_t instance, uint8_t const* report, uint8_t len)
+{
+ (void) instance;
+ (void) len;
+
+ uint8_t next_report_id = report[0] + 1;
+
+ if (next_report_id < REPORT_ID_COUNT)
+ {
+ send_hid_report(next_report_id, board_button_read());
+ }
+}
+
+// Invoked when received GET_REPORT control request
+// Application must fill buffer report's content and return its length.
+// Return zero will cause the stack to STALL request
+uint16_t tud_hid_get_report_cb(uint8_t instance, uint8_t report_id, hid_report_type_t report_type, uint8_t* buffer, uint16_t reqlen)
+{
+ // TODO not Implemented
+ (void) instance;
+ (void) report_id;
+ (void) report_type;
+ (void) buffer;
+ (void) reqlen;
+
+ return 0;
+}
+
+// Invoked when received SET_REPORT control request or
+// received data on OUT endpoint ( Report ID = 0, Type = 0 )
+void tud_hid_set_report_cb(uint8_t instance, uint8_t report_id, hid_report_type_t report_type, uint8_t const* buffer, uint16_t bufsize)
+{
+ (void) instance;
+
+ if (report_type == HID_REPORT_TYPE_OUTPUT)
+ {
+ // Set keyboard LED e.g Capslock, Numlock etc...
+ if (report_id == REPORT_ID_KEYBOARD)
+ {
+ // bufsize should be (at least) 1
+ if ( bufsize < 1 ) return;
+
+ uint8_t const kbd_leds = buffer[0];
+
+ if (kbd_leds & KEYBOARD_LED_CAPSLOCK)
+ {
+ // Capslock On: disable blink, turn led on
+ blink_interval_ms = 0;
+ board_led_write(true);
+ }else
+ {
+ // Caplocks Off: back to normal blink
+ board_led_write(false);
+ blink_interval_ms = BLINK_MOUNTED;
+ }
+ }
+ }
+}
+
+//--------------------------------------------------------------------+
+// BLINKING TASK
+//--------------------------------------------------------------------+
+void led_blinking_task(void)
+{
+ static uint32_t start_ms = 0;
+ static bool led_state = false;
+
+ // blink is disabled
+ if (!blink_interval_ms) return;
+
+ // 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/examples/device/hid_composite/src/tusb_config.h b/examples/device/hid_composite/src/tusb_config.h
new file mode 100644
index 0000000..8fa5e5c
--- /dev/null
+++ b/examples/device/hid_composite/src/tusb_config.h
@@ -0,0 +1,111 @@
+/*
+ * 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 TU_CHECK_MCU(OPT_MCU_LPC18XX, OPT_MCU_LPC43XX, OPT_MCU_MIMXRT10XX, OPT_MCU_NUC505) ||\
+ TU_CHECK_MCU(OPT_MCU_CXD56, OPT_MCU_SAMX7X, OPT_MCU_BCM2711)
+ #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_HID 1
+#define CFG_TUD_CDC 0
+#define CFG_TUD_MSC 0
+#define CFG_TUD_MIDI 0
+#define CFG_TUD_VENDOR 0
+
+// HID buffer size Should be sufficient to hold ID (if any) + Data
+#define CFG_TUD_HID_EP_BUFSIZE 16
+
+#ifdef __cplusplus
+ }
+#endif
+
+#endif /* _TUSB_CONFIG_H_ */
diff --git a/examples/device/hid_composite/src/usb_descriptors.c b/examples/device/hid_composite/src/usb_descriptors.c
new file mode 100644
index 0000000..e760b20
--- /dev/null
+++ b/examples/device/hid_composite/src/usb_descriptors.c
@@ -0,0 +1,227 @@
+/*
+ * 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] 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,
+ .bDeviceClass = 0x00,
+ .bDeviceSubClass = 0x00,
+ .bDeviceProtocol = 0x00,
+ .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;
+}
+
+//--------------------------------------------------------------------+
+// HID Report Descriptor
+//--------------------------------------------------------------------+
+
+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 )),
+ TUD_HID_REPORT_DESC_CONSUMER( HID_REPORT_ID(REPORT_ID_CONSUMER_CONTROL )),
+ TUD_HID_REPORT_DESC_GAMEPAD ( HID_REPORT_ID(REPORT_ID_GAMEPAD ))
+};
+
+// 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(uint8_t instance)
+{
+ (void) instance;
+ return desc_hid_report;
+}
+
+//--------------------------------------------------------------------+
+// Configuration Descriptor
+//--------------------------------------------------------------------+
+
+enum
+{
+ ITF_NUM_HID,
+ ITF_NUM_TOTAL
+};
+
+#define CONFIG_TOTAL_LEN (TUD_CONFIG_DESC_LEN + TUD_HID_DESC_LEN)
+
+#define EPNUM_HID 0x81
+
+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, protocol, report descriptor len, EP In address, size & polling interval
+ TUD_HID_DESCRIPTOR(ITF_NUM_HID, 0, HID_ITF_PROTOCOL_NONE, sizeof(desc_hid_report), EPNUM_HID, CFG_TUD_HID_EP_BUFSIZE, 5)
+};
+
+#if TUD_OPT_HIGH_SPEED
+// Per USB specs: high speed capable device must report device_qualifier and other_speed_configuration
+
+// 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 = 0x00,
+ .bDeviceSubClass = 0x00,
+ .bDeviceProtocol = 0x00,
+
+ .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
+
+ // other speed config is basically configuration with type = OHER_SPEED_CONFIG
+ memcpy(desc_other_speed_config, desc_configuration, CONFIG_TOTAL_LEN);
+ desc_other_speed_config[1] = TUSB_DESC_OTHER_SPEED_CONFIG;
+
+ // this example use the same configuration for both high and full speed mode
+ 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
+
+ // This example use the same configuration for both high and full speed mode
+ 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, 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/examples/device/hid_composite/src/usb_descriptors.h b/examples/device/hid_composite/src/usb_descriptors.h
new file mode 100644
index 0000000..ca8925a
--- /dev/null
+++ b/examples/device/hid_composite/src/usb_descriptors.h
@@ -0,0 +1,37 @@
+/*
+ * 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
+{
+ REPORT_ID_KEYBOARD = 1,
+ REPORT_ID_MOUSE,
+ REPORT_ID_CONSUMER_CONTROL,
+ REPORT_ID_GAMEPAD,
+ REPORT_ID_COUNT
+};
+
+#endif /* USB_DESCRIPTORS_H_ */