kopia lustrzana https://github.com/micropython/micropython
96 wiersze
2.6 KiB
C
96 wiersze
2.6 KiB
C
/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2015 Damien P. George
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include <string.h>
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#include "py/stream.h"
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#include "py/mphal.h"
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#include "board.h"
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static int interrupt_char;
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void mp_hal_init(void) {
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MP_STATE_PORT(keyboard_interrupt_obj) = mp_obj_new_exception(&mp_type_KeyboardInterrupt);
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}
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mp_uint_t mp_hal_ticks_ms(void) {
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// TODO
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return 0;
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}
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void mp_hal_delay_ms(mp_uint_t ms) {
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// tuned for fixed CPU frequency
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for (int i = ms; i > 0; i--) {
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for (volatile int j = 0; j < 5000; j++) {
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}
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}
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}
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void mp_hal_set_interrupt_char(int c) {
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interrupt_char = c;
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}
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uintptr_t mp_hal_stdio_poll(uintptr_t poll_flags) {
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uintptr_t ret = 0;
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if ((poll_flags & MP_STREAM_POLL_RD) && uart_rx_any()) {
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ret |= MP_STREAM_POLL_RD;
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}
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if (poll_flags & MP_STREAM_POLL_WR) {
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ret |= MP_STREAM_POLL_WR;
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}
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return ret;
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}
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int mp_hal_stdin_rx_chr(void) {
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for (;;) {
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if (uart_rx_any()) {
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return uart_rx_char();
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}
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}
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}
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void mp_hal_stdout_tx_str(const char *str) {
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mp_hal_stdout_tx_strn(str, strlen(str));
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}
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mp_uint_t mp_hal_stdout_tx_strn(const char *str, size_t len) {
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mp_uint_t ret = len;
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for (; len > 0; --len) {
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uart_tx_char(*str++);
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}
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return ret;
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}
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void mp_hal_stdout_tx_strn_cooked(const char *str, size_t len) {
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for (; len > 0; --len) {
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if (*str == '\n') {
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uart_tx_char('\r');
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}
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uart_tx_char(*str++);
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}
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}
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MP_REGISTER_ROOT_POINTER(mp_obj_t keyboard_interrupt_obj);
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