start to add webusb example (not work yet)
This commit is contained in:
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42d0ef6fb0
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# TinyUSB changelog
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# TinyUSB changelog
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## New Release
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## 0.5.0 (Initial Release) - 2019.07.10
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## 0.5.0 (Initial Release) - 2019.07.10
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First release, device stack works great, host stack works but still need improvement.
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First release, device stack works great, host stack works but still need improvement.
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include ../../../tools/top.mk
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include ../../make.mk
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INC += \
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src \
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$(TOP)/hw \
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# Example source
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EXAMPLE_SOURCE += $(wildcard src/*.c)
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SRC_C += $(addprefix $(CURRENT_PATH)/, $(EXAMPLE_SOURCE))
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include ../../rules.mk
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/*
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* The MIT License (MIT)
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*
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* Copyright (c) 2019 Ha Thach (tinyusb.org)
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include "bsp/board.h"
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#include "tusb.h"
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/* This MIDI example send sequence of note (on/off) repeatedly. To test on PC, you need to install
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* synth software and midi connection management software. On
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* - Linux (Ubuntu) : install qsynth, qjackctl. Then connect TinyUSB output port to FLUID Synth input port
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*
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*/
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//--------------------------------------------------------------------+
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// MACRO CONSTANT TYPEDEF PROTYPES
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//--------------------------------------------------------------------+
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/* Blink pattern
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* - 250 ms : device not mounted
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* - 1000 ms : device mounted
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* - 2500 ms : device is suspended
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*/
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enum {
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BLINK_NOT_MOUNTED = 250,
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BLINK_MOUNTED = 1000,
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BLINK_SUSPENDED = 2500,
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};
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static uint32_t blink_interval_ms = BLINK_NOT_MOUNTED;
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void led_blinking_task(void);
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void midi_task(void);
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/*------------- MAIN -------------*/
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int main(void)
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{
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board_init();
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tusb_init();
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while (1)
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{
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tud_task(); // tinyusb device task
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led_blinking_task();
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}
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return 0;
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}
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//--------------------------------------------------------------------+
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// Device callbacks
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//--------------------------------------------------------------------+
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// Invoked when device is mounted
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void tud_mount_cb(void)
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{
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blink_interval_ms = BLINK_MOUNTED;
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}
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// Invoked when device is unmounted
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void tud_umount_cb(void)
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{
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blink_interval_ms = BLINK_NOT_MOUNTED;
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}
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// Invoked when usb bus is suspended
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// remote_wakeup_en : if host allow us to perform remote wakeup
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// Within 7ms, device must draw an average of current less than 2.5 mA from bus
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void tud_suspend_cb(bool remote_wakeup_en)
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{
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(void) remote_wakeup_en;
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blink_interval_ms = BLINK_SUSPENDED;
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}
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// Invoked when usb bus is resumed
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void tud_resume_cb(void)
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{
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blink_interval_ms = BLINK_MOUNTED;
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}
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//--------------------------------------------------------------------+
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// WebUSB
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//--------------------------------------------------------------------+
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//--------------------------------------------------------------------+
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// BLINKING TASK
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//--------------------------------------------------------------------+
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void led_blinking_task(void)
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{
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static uint32_t start_ms = 0;
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static bool led_state = false;
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// Blink every interval ms
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if ( board_millis() - start_ms < blink_interval_ms) return; // not enough time
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start_ms += blink_interval_ms;
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board_led_write(led_state);
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led_state = 1 - led_state; // toggle
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}
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/*
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* The MIT License (MIT)
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*
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* Copyright (c) 2019 Ha Thach (tinyusb.org)
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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*/
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#ifndef _TUSB_CONFIG_H_
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#define _TUSB_CONFIG_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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//--------------------------------------------------------------------
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// COMMON CONFIGURATION
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//--------------------------------------------------------------------
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// defined by compiler flags for flexibility
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#ifndef CFG_TUSB_MCU
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#error CFG_TUSB_MCU must be defined
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#endif
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#if CFG_TUSB_MCU == OPT_MCU_LPC43XX || CFG_TUSB_MCU == OPT_MCU_LPC18XX
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#define CFG_TUSB_RHPORT0_MODE (OPT_MODE_DEVICE | OPT_MODE_HIGH_SPEED)
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#else
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#define CFG_TUSB_RHPORT0_MODE OPT_MODE_DEVICE
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#endif
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#define CFG_TUSB_OS OPT_OS_NONE
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// CFG_TUSB_DEBUG is defined by compiler in DEBUG build
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// #define CFG_TUSB_DEBUG 0
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/* USB DMA on some MCUs can only access a specific SRAM region with restriction on alignment.
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* Tinyusb use follows macros to declare transferring memory so that they can be put
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* into those specific section.
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* e.g
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* - CFG_TUSB_MEM SECTION : __attribute__ (( section(".usb_ram") ))
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* - CFG_TUSB_MEM_ALIGN : __attribute__ ((aligned(4)))
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*/
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#ifndef CFG_TUSB_MEM_SECTION
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#define CFG_TUSB_MEM_SECTION
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#endif
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#ifndef CFG_TUSB_MEM_ALIGN
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#define CFG_TUSB_MEM_ALIGN __attribute__ ((aligned(4)))
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#endif
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//--------------------------------------------------------------------
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// DEVICE CONFIGURATION
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//--------------------------------------------------------------------
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#define CFG_TUD_ENDOINT0_SIZE 64
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//------------- CLASS -------------//
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#define CFG_TUD_CDC 0
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#define CFG_TUD_MSC 0
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#define CFG_TUD_HID 0
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#define CFG_TUD_MIDI 0
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#define CFG_TUD_CUSTOM_CLASS 0
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#ifdef __cplusplus
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}
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#endif
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#endif /* _TUSB_CONFIG_H_ */
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/*
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* The MIT License (MIT)
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*
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* Copyright (c) 2019 Ha Thach (tinyusb.org)
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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*/
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#include "tusb.h"
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/* A combination of interfaces must have a unique product id, since PC will save device driver after the first plug.
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* Same VID/PID with different interface e.g MSC (first), then CDC (later) will possibly cause system error on PC.
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*
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* Auto ProductID layout's Bitmap:
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* [MSB] MIDI | HID | MSC | CDC [LSB]
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*/
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#define _PID_MAP(itf, n) ( (CFG_TUD_##itf) << (n) )
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#define USB_PID (0x4000 | _PID_MAP(CDC, 0) | _PID_MAP(MSC, 1) | _PID_MAP(HID, 2) | _PID_MAP(MIDI, 3) )
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//------------- Device Descriptors -------------//
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tusb_desc_device_t const desc_device =
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{
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.bLength = sizeof(tusb_desc_device_t),
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.bDescriptorType = TUSB_DESC_DEVICE,
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.bcdUSB = 0x0210,
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.bDeviceClass = 0x00,
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.bDeviceSubClass = 0x00,
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.bDeviceProtocol = 0x00,
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.bMaxPacketSize0 = CFG_TUD_ENDOINT0_SIZE,
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.idVendor = 0xCafe,
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.idProduct = USB_PID,
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.bcdDevice = 0x0100,
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.iManufacturer = 0x01,
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.iProduct = 0x02,
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.iSerialNumber = 0x03,
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.bNumConfigurations = 0x01
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};
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//------------- Configuration Descriptor -------------//
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enum
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{
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ITF_NUM_WEBUSB = 0,
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ITF_NUM_TOTAL
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};
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enum
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{
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CONFIG_TOTAL_LEN = TUD_CONFIG_DESC_LEN + TUD_MIDI_DESC_LEN
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};
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// Use Endpoint 2 instead of 1 due to NXP MCU
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// LPC 17xx and 40xx endpoint type (bulk/interrupt/iso) are fixed by its number
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// 0 control, 1 In, 2 Bulk, 3 Iso, 4 In etc ...
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#define EPNUM_MIDI 0x02
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uint8_t const desc_configuration[] =
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{
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// Interface count, string index, total length, attribute, power in mA
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TUD_CONFIG_DESCRIPTOR(ITF_NUM_TOTAL, 0, CONFIG_TOTAL_LEN, TUSB_DESC_CONFIG_ATT_REMOTE_WAKEUP, 100),
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// Interface number, string index, EP Out & EP In address, EP size
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};
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// Invoked when received GET DEVICE DESCRIPTOR
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// Application return pointer to descriptor
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uint8_t const * tud_descriptor_device_cb(void)
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{
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return (uint8_t const *) &desc_device;
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}
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// Invoked when received GET CONFIGURATION DESCRIPTOR
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// Application return pointer to descriptor
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// Descriptor contents must exist long enough for transfer to complete
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uint8_t const * tud_descriptor_configuration_cb(uint8_t index)
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{
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(void) index; // for multiple configurations
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return desc_configuration;
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}
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//------------- String Descriptors -------------//
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// array of pointer to string descriptors
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char const* string_desc_arr [] =
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{
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(const char[]) { 0x09, 0x04 }, // 0: is supported language is English (0x0409)
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"TinyUSB", // 1: Manufacturer
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"TinyUSB Device", // 2: Product
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"123456", // 3: Serials, should use chip ID
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};
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static uint16_t _desc_str[32];
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// Invoked when received GET STRING DESCRIPTOR request
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// Application return pointer to descriptor, whose contents must exist long enough for transfer to complete
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uint16_t const* tud_descriptor_string_cb(uint8_t index)
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{
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uint8_t chr_count;
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if ( index == 0)
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{
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memcpy(&_desc_str[1], string_desc_arr[0], 2);
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chr_count = 1;
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}else
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{
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// Convert ASCII string into UTF-16
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if ( !(index < sizeof(string_desc_arr)/sizeof(string_desc_arr[0])) ) return NULL;
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const char* str = string_desc_arr[index];
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// Cap at max char
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chr_count = strlen(str);
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if ( chr_count > 31 ) chr_count = 31;
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for(uint8_t i=0; i<chr_count; i++)
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{
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_desc_str[1+i] = str[i];
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}
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}
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// first byte is len, second byte is string type
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_desc_str[0] = TUD_DESC_STR_HEADER(chr_count);
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return _desc_str;
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}
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