97 lines
3.8 KiB
C++
97 lines
3.8 KiB
C++
/*********************************************************************************
|
|
* MIT License
|
|
*
|
|
* Copyright (c) 2020-2022 Gregg E. Berman
|
|
*
|
|
* https://github.com/HomeSpan/HomeSpan
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
* in the Software without restriction, including without limitation the rights
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in all
|
|
* copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
* SOFTWARE.
|
|
*
|
|
********************************************************************************/
|
|
|
|
/////////////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
// ----- PWM Pin Control -----
|
|
/////////////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// Wrappers around the ESP-IDF ledc library to control PWM-based devices:
|
|
//
|
|
// LedPin(pin) - controls a Dimmable LED on specified pin with frequency=5000 Hz
|
|
// - use set(level) to set brightness from 0-100%
|
|
//
|
|
// ServoPin(pin) - controls a Servo Motor on specified pin with frequency=50 Hz
|
|
// - use set(degrees) to set position to degrees
|
|
//
|
|
//
|
|
/////////////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
#pragma once
|
|
|
|
#include <Arduino.h>
|
|
#include <driver/ledc.h>
|
|
|
|
#define DEFAULT_PWM_FREQ 5000
|
|
|
|
/////////////////////////////////////
|
|
|
|
class LedC {
|
|
|
|
protected:
|
|
static ledc_channel_config_t *channelList[LEDC_CHANNEL_MAX][LEDC_SPEED_MODE_MAX];
|
|
static ledc_timer_config_t *timerList[LEDC_TIMER_MAX][LEDC_SPEED_MODE_MAX];
|
|
|
|
ledc_channel_config_t *channel=NULL;
|
|
ledc_timer_config_t *timer;
|
|
|
|
LedC(uint8_t pin, uint16_t freq);
|
|
|
|
public:
|
|
int getPin(){return(channel?channel->gpio_num:-1);} // returns the pin number
|
|
|
|
operator bool(){ // override boolean operator to return true/false if creation succeeded/failed
|
|
return(channel);
|
|
}
|
|
|
|
};
|
|
|
|
/////////////////////////////////////
|
|
|
|
class LedPin : public LedC {
|
|
|
|
public:
|
|
LedPin(uint8_t pin, float level=0, uint16_t freq=DEFAULT_PWM_FREQ); // assigns pin to be output of one of 16 PWM channels initial level and frequency
|
|
void set(float level); // sets the PWM duty to level (0-100)
|
|
|
|
static void HSVtoRGB(float h, float s, float v, float *r, float *g, float *b ); // converts Hue/Saturation/Brightness to R/G/B
|
|
};
|
|
|
|
/////////////////////////////////////
|
|
|
|
class ServoPin : public LedC {
|
|
uint16_t minMicros;
|
|
uint16_t maxMicros;
|
|
double minDegrees;
|
|
double microsPerDegree;
|
|
|
|
public:
|
|
ServoPin(uint8_t pin, double initDegrees, uint16_t minMicros, uint16_t maxMicros, double minDegrees, double maxDegrees);
|
|
ServoPin(uint8_t pin, double initDegrees=0) : ServoPin(pin,initDegrees,1000,2000,-90,90) {};
|
|
|
|
void set(double degrees); // sets the Servo to degrees, where degrees is bounded by [minDegrees,maxDegrees]
|
|
};
|