deskhop/src/main.c

/*
 * This file is part of DeskHop (https://github.com/hrvach/deskhop).
 * Copyright (c) 2024 Hrvoje Cavrak
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, version 3.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

#include "main.h"

/*********  Global Variable  **********/
device_t global_state = {0};
device_t *device      = &global_state;

/**================================================== *
 * ==============  Main Program Loops  ============== *
 * ================================================== */

int main(void) {
    // Wait for the board to settle
    sleep_ms(10);

    // Initial board setup
    initial_setup(device);

    // Initial state, A is the default output
    switch_output(device, OUTPUT_A);

    while (true) {
        // USB device task, needs to run as often as possible
        tud_task();

        // Verify core1 is still running and if so, reset watchdog timer
        kick_watchdog(device);

        // Check if there were any keypresses and send them
        process_kbd_queue_task(device);

        // Check if there were any mouse movements and send them
        process_mouse_queue_task(device);
    }
}

void core1_main() {
    uart_packet_t in_packet = {0};

    while (true) {
        // Update the timestamp, so core0 can figure out if we're dead
        device->core1_last_loop_pass = time_us_64();

        // USB host task, needs to run as often as possible
        if (tuh_inited())
            tuh_task();

        // Receives data over serial from the other board
        receive_char(&in_packet, device);

        // Check if LED needs blinking
        led_blinking_task(device);

        // Mouse screensaver task
        screensaver_task(device);
    }
}

/* =======  End of Main Program Loops  ======= */