1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
|
/*
* 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 <stdlib.h>
#include <string.h>
#include <sys/time.h>
#include "py/mpstate.h"
#include "py/mphal.h"
#ifndef _WIN32
#include <signal.h>
STATIC void sighandler(int signum) {
if (signum == SIGINT) {
if (MP_STATE_VM(mp_pending_exception) == MP_STATE_VM(keyboard_interrupt_obj)) {
// this is the second time we are called, so die straight away
exit(1);
}
mp_obj_exception_clear_traceback(MP_STATE_VM(keyboard_interrupt_obj));
MP_STATE_VM(mp_pending_exception) = MP_STATE_VM(keyboard_interrupt_obj);
}
}
#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
}
}
#if MICROPY_USE_READLINE == 1
#include <termios.h>
static struct termios orig_termios;
void mp_hal_stdio_mode_raw(void) {
// save and set terminal settings
tcgetattr(0, &orig_termios);
static struct termios termios;
termios = orig_termios;
termios.c_iflag &= ~(BRKINT | ICRNL | INPCK | ISTRIP | IXON);
termios.c_cflag = (termios.c_cflag & ~(CSIZE | PARENB)) | CS8;
termios.c_lflag = 0;
termios.c_cc[VMIN] = 1;
termios.c_cc[VTIME] = 0;
tcsetattr(0, TCSAFLUSH, &termios);
}
void mp_hal_stdio_mode_orig(void) {
// restore terminal settings
tcsetattr(0, TCSAFLUSH, &orig_termios);
}
#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 the 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));
}
mp_uint_t mp_hal_ticks_ms(void) {
struct timeval tv;
gettimeofday(&tv, NULL);
return tv.tv_sec * 1000 + tv.tv_usec / 1000;
}
|
