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ef44211eea
* emulation on host: Add full UART driver emulation. This PR replaces the high level Serial mock with a more complete UART driver. This way the HardwareSerial works without any modifications. Additionally the driver supports UART0 and UART1 at the same time (UART0 is directed to stdout and UART1 writes to stderr). RX is implemented by switching the terminal into raw non-blocking mode and injecting each key-press directly into the FIFO of UART0. A new command line switch -c was added to ignore CTRL-C and send it via serial as well. The decumentation was updated accordingly. Reading and setting of GPIOs does only write to stderr, when compiled with D=1. But this is subject to be replaced with a proper GPIO emu anyway. Reading from GPIO0 now returns 1 instead of 0 because this is most likely a low active input. * Fixed unused variable. * Remove unused functions, as long as there are no debug macros using them. * Move user_interface.cc from MOCK_CPP_FILES_EMU to MOCK_CPP_FILES. * Move optimistic_yield() from user_interface.cpp to Arduino.cpp * Remove atexit() weak declaration (fixes segfault when calling atexit). * Improve resetting of terminal after program exit, convert \r to \r\n. * Show error, when STDOUT is not a TTY, minor code cleanung.
90 lines
2.7 KiB
C++
90 lines
2.7 KiB
C++
/*
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Arduino: wire emulation
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Copyright (c) 2018 david gauchard. All rights reserved.
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Permission is hereby granted, free of charge, to any person obtaining a
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copy of this software and associated documentation files (the "Software"),
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to deal with the Software without restriction, including without limitation
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the rights to use, copy, modify, merge, publish, distribute, sublicense,
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and/or sell copies of the Software, and to permit persons to whom the
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Software is furnished to do so, subject to the following conditions:
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- Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimers.
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- Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimers in the
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documentation and/or other materials provided with the distribution.
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- The names of its contributors may not be used to endorse or promote
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products derived from this Software without specific prior written
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permission.
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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
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THE CONTRIBUTORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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DEALINGS WITH THE SOFTWARE.
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*/
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#include <Arduino.h>
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void pinMode (uint8_t pin, uint8_t mode)
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{
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#define xxx(mode) case mode: m=STRHELPER(mode); break
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const char* m;
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switch (mode)
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{
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case INPUT: m="INPUT"; break;
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case OUTPUT: m="OUTPUT"; break;
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case INPUT_PULLUP: m="INPUT_PULLUP"; break;
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case OUTPUT_OPEN_DRAIN: m="OUTPUT_OPEN_DRAIN"; break;
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case INPUT_PULLDOWN_16: m="INPUT_PULLDOWN_16"; break;
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case WAKEUP_PULLUP: m="WAKEUP_PULLUP"; break;
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case WAKEUP_PULLDOWN: m="WAKEUP_PULLDOWN"; break;
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default: m="(special)";
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}
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#ifdef DEBUG_ESP_CORE
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fprintf(stderr, MOCK "gpio%d: mode='%s'\n", pin, m);
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#endif
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}
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void digitalWrite(uint8_t pin, uint8_t val)
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{
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#ifdef DEBUG_ESP_CORE
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fprintf(stderr, MOCK "digitalWrite(pin=%d val=%d)\n", pin, val);
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#endif
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}
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void analogWrite(uint8_t pin, int val)
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{
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#ifdef DEBUG_ESP_CORE
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fprintf(stderr, MOCK "analogWrite(pin=%d, val=%d\n", pin, val);
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#endif
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}
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int analogRead(uint8_t pin)
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{
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(void)pin;
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return 512;
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}
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void analogWriteRange(uint32_t range)
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{
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#ifdef DEBUG_ESP_CORE
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fprintf(stderr, MOCK "analogWriteRange(range=%d)\n", range);
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#endif
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}
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int digitalRead(uint8_t pin)
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{
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#ifdef DEBUG_ESP_CORE
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fprintf(stderr, MOCK "digitalRead(%d)\n", pin);
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#endif
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// pin 0 is most likely a low active input
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return pin ? 0 : 1;
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}
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