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py/modmicropython: Add micropython.kbd_intr() function.

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It controls the character that's used to (asynchronously) raise a
KeyboardInterrupt exception.  Passing "-1" allows to disable the
interception of the interrupt character (as long as a port allows such a
behaviour).
This commit is contained in:
Damien George 2017-04-10 17:19:36 +10:00
parent 29b26f3922
commit bbb4b9822f
2 changed files with 13 additions and 1 deletions
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12
py/modmicropython.c
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@ -31,6 +31,7 @@
#include "py/stackctrl.h"
#include "py/runtime.h"
#include "py/gc.h"
#include "py/mphal.h"
// Various builtins specific to MicroPython runtime,
// living in micropython module
@ -129,6 +130,14 @@ STATIC MP_DEFINE_CONST_FUN_OBJ_0(mp_micropython_heap_unlock_obj, mp_micropython_
STATIC MP_DEFINE_CONST_FUN_OBJ_1(mp_alloc_emergency_exception_buf_obj, mp_alloc_emergency_exception_buf);
#endif
#if MICROPY_KBD_EXCEPTION
STATIC mp_obj_t mp_micropython_kbd_intr(mp_obj_t int_chr_in) {
mp_hal_set_interrupt_char(mp_obj_get_int(int_chr_in));
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(mp_micropython_kbd_intr_obj, mp_micropython_kbd_intr);
#endif
#if MICROPY_ENABLE_SCHEDULER
STATIC mp_obj_t mp_micropython_schedule(mp_obj_t function, mp_obj_t arg) {
if (!mp_sched_schedule(function, arg)) {
@ -162,6 +171,9 @@ STATIC const mp_rom_map_elem_t mp_module_micropython_globals_table[] = {
{ MP_ROM_QSTR(MP_QSTR_heap_lock), MP_ROM_PTR(&mp_micropython_heap_lock_obj) },
{ MP_ROM_QSTR(MP_QSTR_heap_unlock), MP_ROM_PTR(&mp_micropython_heap_unlock_obj) },
#endif
#if MICROPY_KBD_EXCEPTION
{ MP_ROM_QSTR(MP_QSTR_kbd_intr), MP_ROM_PTR(&mp_micropython_kbd_intr_obj) },
#endif
#if MICROPY_ENABLE_SCHEDULER
{ MP_ROM_QSTR(MP_QSTR_schedule), MP_ROM_PTR(&mp_micropython_schedule_obj) },
#endif

2
py/mpconfig.h
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@ -445,7 +445,7 @@
# endif
#endif
// Whether to provide the mp_kbd_exception object
// Whether to provide the mp_kbd_exception object, and micropython.kbd_intr function
#ifndef MICROPY_KBD_EXCEPTION
#define MICROPY_KBD_EXCEPTION (0)
#endif