circuitpython/extmod/moduos_dupterm.c

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/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2016 Paul Sokolovsky
*
* 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 <string.h>
#include "py/mpconfig.h"
#include "py/nlr.h"
#include "py/runtime.h"
#include "py/objtuple.h"
#if MICROPY_PY_OS_DUPTERM
void mp_uos_dupterm_tx_strn(const char *str, size_t len) {
if (MP_STATE_PORT(term_obj) != MP_OBJ_NULL) {
mp_obj_t write_m[3];
mp_load_method(MP_STATE_PORT(term_obj), MP_QSTR_write, write_m);
write_m[2] = mp_obj_new_bytearray_by_ref(len, (char*)str);
mp_call_method_n_kw(1, 0, write_m);
}
}
STATIC mp_obj_t mp_uos_dupterm(mp_uint_t n_args, const mp_obj_t *args) {
if (n_args == 0) {
if (MP_STATE_PORT(term_obj) == MP_OBJ_NULL) {
return mp_const_none;
} else {
return MP_STATE_PORT(term_obj);
}
} else {
if (args[0] == mp_const_none) {
MP_STATE_PORT(term_obj) = NULL;
} else {
MP_STATE_PORT(term_obj) = args[0];
}
return mp_const_none;
}
}
MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(mp_uos_dupterm_obj, 0, 1, mp_uos_dupterm);
#endif