mirror of https://github.com/arendst/Tasmota.git
64 lines
2.0 KiB
C++
64 lines
2.0 KiB
C++
/*
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xdrv_52_3_berry_display.ino - Berry scripting language, native fucnctions
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Copyright (C) 2021 Stephan Hadinger, Berry language by Guan Wenliang https://github.com/Skiars/berry
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifdef USE_BERRY
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#ifdef USE_DISPLAY
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#include <berry.h>
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#ifdef USE_UNIVERSAL_DISPLAY
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Renderer *Init_uDisplay(const char *desc);
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#endif // USE_UNIVERSAL_DISPLAY
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/*********************************************************************************************\
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* Native functions mapped to Berry functions
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*
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* import display
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* display.start(string) -> comptr or nil if failed
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*
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\*********************************************************************************************/
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extern "C" {
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int be_ntv_display_start(bvm *vm);
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int be_ntv_display_start(bvm *vm) {
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#ifdef USE_UNIVERSAL_DISPLAY
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int32_t argc = be_top(vm); // Get the number of arguments
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if (argc >= 1 && be_isstring(vm, 1)) {
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const char * desc = be_tostring(vm, 1);
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// remove all objects on stack to avoid warnings in subsequent calls to Berry
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be_pop(vm, argc);
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Renderer * renderer = Init_uDisplay(desc);
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if (renderer) {
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be_pushcomptr(vm, renderer);
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} else {
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be_pushnil(vm);
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}
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be_return(vm);
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}
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be_raise(vm, kTypeError, nullptr);
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#else // USE_UNIVERSAL_DISPLAY
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be_raise(vm, "internal_error", "universal display driver not present");
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#endif // USE_UNIVERSAL_DISPLAY
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}
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}
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#endif // USE_DISPLAY
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#endif // USE_BERRY
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