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Delete core_esp8266_wiring_pwm.cpp

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Jason2866 2020-06-23 19:17:50 +02:00 committed by GitHub
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tasmota/core_esp8266_wiring_pwm.cpp
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/*
pwm.c - analogWrite implementation for esp8266
Use the shared TIMER1 utilities to generate PWM signals
Original Copyright (c) 2015 Hristo Gochkov. All rights reserved.
This file is part of the esp8266 core for Arduino environment.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifdef ESP8266
#include <Arduino.h>
#include "core_esp8266_waveform.h"
extern "C" {
// Internal-only calls, not for applications
extern void _setPWMFreq(uint32_t freq);
extern bool _stopPWM(int pin);
extern bool _setPWM(int pin, uint32_t val, uint32_t range);
static int32_t analogScale = PWMRANGE;
extern void __analogWriteRange(uint32_t range) {
if (range > 0) {
analogScale = range;
}
}
extern void __analogWriteFreq(uint32_t freq) {
if (freq < 40) {
freq = 40;
} else if (freq > 60000) {
freq = 60000;
} else {
freq = freq;
}
_setPWMFreq(freq);
}
extern void __analogWrite(uint8_t pin, int val) {
if (pin > 16) {
return;
}
if (val < 0) {
val = 0;
} else if (val > analogScale) {
val = analogScale;
}
pinMode(pin, OUTPUT);
_setPWM(pin, val, analogScale);
}
extern void analogWrite(uint8_t pin, int val) __attribute__((weak, alias("__analogWrite")));
extern void analogWriteFreq(uint32_t freq) __attribute__((weak, alias("__analogWriteFreq")));
extern void analogWriteRange(uint32_t range) __attribute__((weak, alias("__analogWriteRange")));
};
#endif // ESP8266