tinyusb/rt-thread/tinyusb_port.c

/*
 * The MIT License (MIT)
 *
 * Copyright (c) 2021 RT-Thread Development Team (rt-thread.io)
 *
 * 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.
 *
 */

#ifdef __RTTHREAD__

#include <rtthread.h>
#define DBG_TAG    "TinyUSB"
#define DBG_LVL    DBG_INFO
#include <rtdbg.h>
#include <tusb.h>

extern int tusb_board_init(void);

#ifndef RT_USING_HEAP
/* if there is not enable heap, we should use static thread and stack. */
static rt_uint8_t tusb_stack[PKG_TINYUSB_STACK_SIZE];
static struct rt_thread tusb_thread;
#endif /* RT_USING_HEAP */

static void tusb_thread_entry(void *parameter) {
    (void) parameter;
    while (1) {
        tud_task();
    }
}

static int init_tinyusb(void) {
    rt_thread_t tid;

    tusb_board_init();
    tusb_init();

#ifdef RT_USING_HEAP
    tid = rt_thread_create("tusb", tusb_thread_entry, RT_NULL,
                           PKG_TINYUSB_STACK_SIZE, 4, 10);
    if (tid == RT_NULL) {
        LOG_E("Fail to create TinyUSB thread");
        return -1;
    }
#else
    rt_err_t result;

    tid = &tusb_thread;
    result = rt_thread_init(tid, "tusb", tusb_thread_entry, RT_NULL,
                            tusb_stack, sizeof(tusb_stack), 4, 10);
    if (tid != RT_EOK) {
        LOG_E("Fail to create TinyUSB thread");
        return -1;
    }
#endif
    rt_thread_startup(tid);

    return 0;
}
INIT_COMPONENT_EXPORT(init_tinyusb);

#endif