/*
 * 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_api.h>
#include <tusb.h>
#include <pico/stdlib.h>

#define LED_BLINK_DELAY_MS 1000

extern void cdc_app_task(void);

/*------------- MAIN -------------*/
int main(void) {
    board_init();

    gpio_set_function(12, UART_FUNCSEL_NUM(uart0, 12));
    gpio_set_function(13, UART_FUNCSEL_NUM(uart0, 13));

    printf("TinyUSB Host CDC Example\n");

    // init host stack on configured roothub port
    const tusb_rhport_init_t rh_init = {
        .role = TUSB_ROLE_HOST,
        .speed = TUH_OPT_HIGH_SPEED ? TUSB_SPEED_HIGH : TUSB_SPEED_FULL,
    };

    if(!tuh_rhport_init(BOARD_TUH_RHPORT, &rh_init))
    {
        printf("Failed to init rhport.\n");
        return PICO_ERROR_GENERIC;
    }

    uint32_t start_ms = 0;
    bool led_state = false;

    while(true)
    {
        // tinyusb host task
        tuh_task();

        if(board_millis() - start_ms > LED_BLINK_DELAY_MS)
        {
            board_led_write(led_state);
            led_state = ! led_state;
            start_ms += LED_BLINK_DELAY_MS;
        }

        cdc_app_task();
    }
}

// TinyUSB Callbacks
void tuh_mount_cb(uint8_t dev_addr) {
  // application set-up
  printf("A device with address %d is mounted\r\n", dev_addr);
}

void tuh_umount_cb(uint8_t dev_addr) {
  // application tear-down
  printf("A device with address %d is unmounted \r\n", dev_addr);
}