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/*
* This file is part of the Micro Python 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 <string.h>
#include "py/mpstate.h"
#include "unix_mphal.h"
#ifndef _WIN32
#include <signal.h>
STATIC void sighandler(int signum) {
if (signum == SIGINT) {
mp_obj_exception_clear_traceback(MP_STATE_VM(keyboard_interrupt_obj));
MP_STATE_VM(mp_pending_exception) = MP_STATE_VM(keyboard_interrupt_obj);
// disable our handler so next we really die
struct sigaction sa;
sa.sa_handler = SIG_DFL;
sigemptyset(&sa.sa_mask);
sigaction(SIGINT, &sa, NULL);
}
}
#endif
void mp_hal_set_interrupt_char(char c) {
// configure terminal settings to (not) let ctrl-C through
if (c == CHAR_CTRL_C) {
#ifndef _WIN32
// enable signal handler
struct sigaction sa;
sa.sa_handler = sighandler;
sigemptyset(&sa.sa_mask);
sigaction(SIGINT, &sa, NULL);
#endif
} else {
#ifndef _WIN32
// disable signal handler
struct sigaction sa;
sa.sa_handler = SIG_DFL;
sigemptyset(&sa.sa_mask);
sigaction(SIGINT, &sa, NULL);
#endif
}
}
int mp_hal_stdin_rx_chr(void) {
unsigned char c;
int ret = read(0, &c, 1);
if (ret == 0) {
c = 4; // EOF, ctrl-D
} else if (c == '\n') {
c = '\r';
}
return c;
}
void mp_hal_stdout_tx_strn(const char *str, mp_uint_t len) {
int ret = write(1, str, len);
(void)ret; // to suppress compiler warning
}
// cooked is same as uncooked because they terminal does some postprocessing
void mp_hal_stdout_tx_strn_cooked(const char *str, mp_uint_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));
}
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