kopia lustrzana https://github.com/micropython/micropython
92 wiersze
3.2 KiB
C
92 wiersze
3.2 KiB
C
/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2016 Paul Sokolovsky
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include <string.h>
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#include "py/mpconfig.h"
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#include "py/runtime.h"
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#include "py/objtuple.h"
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#include "py/objarray.h"
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#include "py/stream.h"
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#if MICROPY_PY_OS_DUPTERM
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void mp_uos_deactivate(const char *msg, mp_obj_t exc) {
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mp_obj_t term = MP_STATE_PORT(term_obj);
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MP_STATE_PORT(term_obj) = NULL;
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mp_printf(&mp_plat_print, msg);
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if (exc != MP_OBJ_NULL) {
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mp_obj_print_exception(&mp_plat_print, exc);
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}
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mp_stream_close(term);
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}
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void mp_uos_dupterm_tx_strn(const char *str, size_t len) {
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if (MP_STATE_PORT(term_obj) != MP_OBJ_NULL) {
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nlr_buf_t nlr;
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if (nlr_push(&nlr) == 0) {
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mp_obj_t write_m[3];
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mp_load_method(MP_STATE_PORT(term_obj), MP_QSTR_write, write_m);
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mp_obj_array_t *arr = MP_OBJ_TO_PTR(MP_STATE_PORT(dupterm_arr_obj));
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void *org_items = arr->items;
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arr->items = (void*)str;
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arr->len = len;
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write_m[2] = MP_STATE_PORT(dupterm_arr_obj);
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mp_call_method_n_kw(1, 0, write_m);
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arr = MP_OBJ_TO_PTR(MP_STATE_PORT(dupterm_arr_obj));
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arr->items = org_items;
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arr->len = 1;
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nlr_pop();
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} else {
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mp_uos_deactivate("dupterm: Exception in write() method, deactivating: ", nlr.ret_val);
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}
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}
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}
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STATIC mp_obj_t mp_uos_dupterm(size_t n_args, const mp_obj_t *args) {
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if (n_args == 0) {
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if (MP_STATE_PORT(term_obj) == MP_OBJ_NULL) {
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return mp_const_none;
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} else {
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return MP_STATE_PORT(term_obj);
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}
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} else {
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if (args[0] == mp_const_none) {
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MP_STATE_PORT(term_obj) = MP_OBJ_NULL;
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} else {
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MP_STATE_PORT(term_obj) = args[0];
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if (MP_STATE_PORT(dupterm_arr_obj) == MP_OBJ_NULL) {
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MP_STATE_PORT(dupterm_arr_obj) = mp_obj_new_bytearray(1, "");
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}
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}
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return mp_const_none;
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}
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}
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MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(mp_uos_dupterm_obj, 0, 1, mp_uos_dupterm);
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#endif
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