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SDK1.3.0 specific (requiring) changes (#173)

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* SDK1.3.0 specific (requiring) changes
- Fixup TinyUSB build for 0.12.0, and add back standalone examples for device/host (copied from TinyUSB)
This commit is contained in:
Graham Sanderson
2021-10-26 16:49:54 -05:00
committed by GitHub
parent 1ec5e530b1
commit 845daaddda
18 changed files with 1412 additions and 3 deletions
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1
usb/device/CMakeLists.txt
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@@ -3,4 +3,5 @@ set(BOARD pico_sdk)
set(TINYUSB_FAMILY_PROJECT_NAME_PREFIX "tinyusb_dev_")
add_subdirectory(${PICO_TINYUSB_PATH}/examples/device tinyusb_device_examples)
add_subdirectory(dev_hid_composite)
add_subdirectory(dev_lowlevel)

21
usb/device/dev_hid_composite/CMakeLists.txt Normal file
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@@ -0,0 +1,21 @@
cmake_minimum_required(VERSION 3.13)
add_executable(dev_hid_composite)
target_sources(dev_hid_composite PUBLIC
${CMAKE_CURRENT_LIST_DIR}/main.c
${CMAKE_CURRENT_LIST_DIR}/usb_descriptors.c
)
# Make sure TinyUSB can find tusb_config.h
target_include_directories(dev_hid_composite PUBLIC
${CMAKE_CURRENT_LIST_DIR})
# In addition to pico_stdlib required for common PicoSDK functionality, add dependency on tinyusb_device
# for TinyUSB device support and tinyusb_board for the additional board support library used by the example
target_link_libraries(dev_hid_composite PUBLIC pico_stdlib tinyusb_device tinyusb_board)
pico_add_extra_outputs(dev_hid_composite)
# add url via pico_set_program_url
example_auto_set_url(dev_hid_composite)

21
usb/device/dev_hid_composite/LICENSE.TXT Normal file
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@@ -0,0 +1,21 @@
The MIT License (MIT)
Copyright (c) 2018, hathach (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.

2
usb/device/dev_hid_composite/README.md Normal file
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@@ -0,0 +1,2 @@
This is a copy of the hid_composite example from TinyUSB (https://github.com/hathach/tinyusb/tree/master/examples/device/hid_composite)
showing how to build with TinyUSB when using the Raspberry Pi Pico SDK

302
usb/device/dev_hid_composite/main.c Normal file
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@@ -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
}

111
usb/device/dev_hid_composite/tusb_config.h Normal file
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@@ -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 (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 || CFG_TUSB_MCU == OPT_MCU_SAMX7X)
#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_ */

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usb/device/dev_hid_composite/usb_descriptors.c Normal file
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@@ -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;
}

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usb/device/dev_hid_composite/usb_descriptors.h Normal file
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/*
* 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_ */