/*
 * This file is part of the MicroPython project, http://micropython.org/
 *
 * The MIT License (MIT)
 *
 * Copyright (c) 2015 Damien P. George
 *
 * 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 <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <sys/time.h>

#include "py/mpstate.h"
#include "py/mphal.h"
#include "py/runtime.h"
#include "extmod/misc.h"

int mp_hal_stdin_rx_chr(void) {
    unsigned char c;
#if MICROPY_PY_OS_DUPTERM
    if (MP_STATE_PORT(term_obj) != MP_OBJ_NULL) {
        int c;
        do {
             c = call_dupterm_read();
        } while (c == -2);
        if (c == -1) {
            goto main_term;
        }
        if (c == '\n') {
            c = '\r';
        }
        return c;
    } else {
        main_term:;
#endif
        int ret = read(0, &c, 1);
        if (ret == 0) {
            c = 4; // EOF, ctrl-D
        } else if (c == '\n') {
            c = '\r';
        }
        return c;
#if MICROPY_PY_OS_DUPTERM
    }
#endif
}

#ifdef MICROPY_LIB
void console_output(const char *,int len);
#endif

void mp_hal_stdout_tx_strn(const char *str, size_t len) {
#ifdef MICROPY_LIB
  console_output(str,len);
  return;
#endif
    int ret = write(1, str, len);
    mp_uos_dupterm_tx_strn(str, len);
    (void)ret; // to suppress compiler warning
}

// cooked is same as uncooked because the terminal does some postprocessing
void mp_hal_stdout_tx_strn_cooked(const char *str, size_t len) {
    mp_hal_stdout_tx_strn(str, len);
}

void mp_hal_stdout_tx_str(const char *str) {
    mp_hal_stdout_tx_strn(str, strlen(str));
}

mp_uint_t mp_hal_ticks_ms(void) {
    struct timeval tv;
    gettimeofday(&tv, NULL);
    return tv.tv_sec * 1000 + tv.tv_usec / 1000;
}

mp_uint_t mp_hal_ticks_us(void) {
    struct timeval tv;
    gettimeofday(&tv, NULL);
    return tv.tv_sec * 1000000 + tv.tv_usec;
}

mp_uint_t mp_hal_ticks_cpu(void) {
  // FIXME!!!
  return mp_hal_ticks_ms();
}
