kopia lustrzana https://github.com/micropython/micropython
91 wiersze
2.5 KiB
C
91 wiersze
2.5 KiB
C
/*
|
|
* 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 <string.h>
|
|
#include "py/stream.h"
|
|
#include "py/mphal.h"
|
|
#include "board.h"
|
|
|
|
static int interrupt_char;
|
|
|
|
void mp_hal_init(void) {
|
|
MP_STATE_PORT(keyboard_interrupt_obj) = mp_obj_new_exception(&mp_type_KeyboardInterrupt);
|
|
}
|
|
|
|
mp_uint_t mp_hal_ticks_ms(void) {
|
|
// TODO
|
|
return 0;
|
|
}
|
|
|
|
void mp_hal_delay_ms(mp_uint_t ms) {
|
|
// tuned for fixed CPU frequency
|
|
for (int i = ms; i > 0; i--) {
|
|
for (volatile int j = 0; j < 5000; j++) {
|
|
}
|
|
}
|
|
}
|
|
|
|
void mp_hal_set_interrupt_char(int c) {
|
|
interrupt_char = c;
|
|
}
|
|
|
|
uintptr_t mp_hal_stdio_poll(uintptr_t poll_flags) {
|
|
uintptr_t ret = 0;
|
|
if ((poll_flags & MP_STREAM_POLL_RD) && uart_rx_any()) {
|
|
ret |= MP_STREAM_POLL_RD;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
int mp_hal_stdin_rx_chr(void) {
|
|
for (;;) {
|
|
if (uart_rx_any()) {
|
|
return uart_rx_char();
|
|
}
|
|
}
|
|
}
|
|
|
|
void mp_hal_stdout_tx_str(const char *str) {
|
|
mp_hal_stdout_tx_strn(str, strlen(str));
|
|
}
|
|
|
|
void mp_hal_stdout_tx_strn(const char *str, size_t len) {
|
|
for (; len > 0; --len) {
|
|
uart_tx_char(*str++);
|
|
}
|
|
}
|
|
|
|
void mp_hal_stdout_tx_strn_cooked(const char *str, size_t len) {
|
|
for (; len > 0; --len) {
|
|
if (*str == '\n') {
|
|
uart_tx_char('\r');
|
|
}
|
|
uart_tx_char(*str++);
|
|
}
|
|
}
|
|
|
|
MP_REGISTER_ROOT_POINTER(mp_obj_t keyboard_interrupt_obj);
|