/* * The MIT License (MIT) * * Copyright (c) 2020 Jerzy Kasenberg * Copyright (c) 2022 Angel Molina * Copyright (c) 2023 Dhiru Kholia * * 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 #include #include "bsp/board_api.h" #include "tusb.h" #include "common.h" extern uint32_t blink_interval_ms; #if (CFG_TUSB_MCU == OPT_MCU_RP2040) #include "pico/stdlib.h" #endif void led_blinking_task(void); /*------------- MAIN -------------*/ int main(void) { board_init(); // init device stack on configured roothub port tusb_rhport_init_t dev_init = { .role = TUSB_ROLE_DEVICE, .speed = TUSB_SPEED_AUTO }; tusb_init(BOARD_TUD_RHPORT, &dev_init); #if (CFG_TUSB_MCU == OPT_MCU_RP2040) stdio_init_all(); #endif TU_LOG1("CDC UAC2 example running\r\n"); while (1) { tud_task(); // TinyUSB device task led_blinking_task(); #if (CFG_TUSB_MCU == OPT_MCU_RP2040) // printf("Hello, world!\r\n"); #endif } 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; }