100 lines
3.2 KiB
C
100 lines
3.2 KiB
C
/*
|
|
* This file is part of the MicroPython project, http://micropython.org/
|
|
*
|
|
* The MIT License (MIT)
|
|
*
|
|
* SPDX-FileCopyrightText: 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 <errno.h>
|
|
#include <unistd.h>
|
|
#include <stdbool.h>
|
|
|
|
#ifndef CHAR_CTRL_C
|
|
#define CHAR_CTRL_C (3)
|
|
#endif
|
|
|
|
void mp_hal_set_interrupt_char(char c);
|
|
bool mp_hal_is_interrupted(void);
|
|
|
|
#define mp_hal_stdio_poll unused // this is not implemented, nor needed
|
|
void mp_hal_stdio_mode_raw(void);
|
|
void mp_hal_stdio_mode_orig(void);
|
|
|
|
#if MICROPY_PY_BUILTINS_INPUT && MICROPY_USE_READLINE == 0
|
|
|
|
#include <malloc.h>
|
|
#include "py/misc.h"
|
|
#include "input.h"
|
|
#define mp_hal_readline mp_hal_readline
|
|
static inline int mp_hal_readline(vstr_t *vstr, const char *p) {
|
|
char *line = prompt((char *)p);
|
|
vstr_add_str(vstr, line);
|
|
free(line);
|
|
return 0;
|
|
}
|
|
|
|
#elif MICROPY_PY_BUILTINS_INPUT && MICROPY_USE_READLINE == 1
|
|
|
|
#include "py/misc.h"
|
|
#include "lib/mp-readline/readline.h"
|
|
// For built-in input() we need to wrap the standard readline() to enable raw mode
|
|
#define mp_hal_readline mp_hal_readline
|
|
static inline int mp_hal_readline(vstr_t *vstr, const char *p) {
|
|
mp_hal_stdio_mode_raw();
|
|
int ret = readline(vstr, p);
|
|
mp_hal_stdio_mode_orig();
|
|
return ret;
|
|
}
|
|
|
|
#endif
|
|
|
|
// TODO: POSIX et al. define usleep() as guaranteedly capable only of 1s sleep:
|
|
// "The useconds argument shall be less than one million."
|
|
static inline void mp_hal_delay_ms(mp_uint_t ms) {
|
|
usleep((ms) * 1000);
|
|
}
|
|
static inline void mp_hal_delay_us(mp_uint_t us) {
|
|
usleep(us);
|
|
}
|
|
#define mp_hal_ticks_cpu() 0
|
|
|
|
// This macro is used to implement PEP 475 to retry specified syscalls on EINTR
|
|
#define MP_HAL_RETRY_SYSCALL(ret, syscall, raise) { \
|
|
for (;;) { \
|
|
MP_THREAD_GIL_EXIT(); \
|
|
ret = syscall; \
|
|
MP_THREAD_GIL_ENTER(); \
|
|
if (ret == -1) { \
|
|
int err = errno; \
|
|
if (err == EINTR) { \
|
|
mp_handle_pending(true); \
|
|
continue; \
|
|
} \
|
|
raise; \
|
|
} \
|
|
break; \
|
|
} \
|
|
}
|
|
|
|
#define RAISE_ERRNO(err_flag, error_val) \
|
|
{ if (err_flag == -1) \
|
|
{ mp_raise_OSError(error_val); } }
|