69 lines
1.8 KiB
C++
69 lines
1.8 KiB
C++
/*
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Copyright (c) 2017 Daniel Fekete
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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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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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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 THE
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SOFTWARE.
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*/
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#include "unistd.h"
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#include "STM32System.h"
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#include "cmsis_gcc.h"
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static const int print_fileno = 3;
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static Print *print;
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int stm32SetPrintOutput(Print *p) {
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if (p == NULL) {
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print = NULL;
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return 0;
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}
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if (isInterrupt() && print != NULL) {
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return 0;
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}
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while(print != NULL);
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print = p;
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return print_fileno;
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}
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extern "C" int _write( int file, char *ptr, int len ) {
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if (file == STDOUT_FILENO) {
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Serial.write(ptr, len);
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} else if (file == STDERR_FILENO) {
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Serial.write(ptr, len);
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Serial.flush();
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} else if (file == print_fileno) {
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if (print != NULL)print->write(ptr, len);
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} else {
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// TODO show error
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}
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}
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