175 lines
7.2 KiB
C
175 lines
7.2 KiB
C
// Copyright 2021 Victor Toni (@vitoni)
|
|
// SPDX-License-Identifier: GPL-2.0-or-later
|
|
|
|
#pragma once
|
|
|
|
#include <stdint.h>
|
|
#include <stdbool.h>
|
|
|
|
/**
|
|
* States reflecting the state of the keyboard.
|
|
* Dependeing on these states various effects can set for the RGB matrix.
|
|
*/
|
|
enum states {
|
|
REGULAR //!< when in regular use
|
|
#if defined(RGB_IDLE_TIMEOUT)
|
|
,IDLE_FADE_OUT //!< when started idling
|
|
,IDLE //!< when idling
|
|
#endif
|
|
#if defined(RGB_FADE_IN) || defined(RGB_IDLE_TIMEOUT)
|
|
,FADE_IN //!< when starting initially or before going back to REGULAR
|
|
#endif
|
|
#if defined(RGB_DISABLE_WITH_FADE_OUT)
|
|
,FADE_OUT //!< before supending
|
|
#endif
|
|
,SUSPENDED //!< expecting to be suspended by RGB_DISABLE_TIMEOUT any time
|
|
};
|
|
|
|
/**
|
|
* @brief Scales down `g_rgb_timer` so that it can be used for RGB effects.
|
|
* @details Usually these calculations aredone internally by some RGB effects.
|
|
This method exposed to scaling so that all effects to have same timebase. If `rgb_matrix_config.speed` all effects are affected the same.
|
|
* @param[in] factor The factor can be used to speed up some operations in relation to others.
|
|
* @return scaled down timer taking into account the given factor
|
|
* @see g_rgb_timer
|
|
* @see rgb_matrix_config.speed
|
|
*/
|
|
uint8_t rgb_time_2_scale_w_factor(const uint8_t factor);
|
|
|
|
/**
|
|
* @brief Scales down `g_rgb_timer` so that it can be used for RGB effects.
|
|
* @return scaled down timer
|
|
* @see rgb_time_2_scale_w_factor()
|
|
*/
|
|
uint8_t rgb_time_2_scale(void);
|
|
|
|
/**
|
|
* @brief Inverse function to calculate time required to execute `timer` steps.
|
|
* @details This method allows calculation of the time needed to execute N `timer`steps.
|
|
Usefull when using a scaled down time but requiring the time needed to perform these steps.
|
|
* @param[in] scaled_time scaled down timer to inverse to time
|
|
* @return time corresponding to scaled down time
|
|
* @see rgb_time_2_scale()
|
|
*/
|
|
uint16_t scale_2_rgb_time(const uint8_t scaled_time);
|
|
|
|
/**
|
|
* @brief Convenience method to eventually skip the value part when setting HSV.
|
|
* @details When setting HSV this includes the value/brightness.
|
|
As changing brightness might interfer with fading or breathing effects,
|
|
this method can skip the value part of HSV (depending on the preprocessor flag: RGB_FADE_IN).
|
|
* @param[in] hue Hue
|
|
* @param[in] sat Saturation
|
|
* @param[in] hue Value (brightness)
|
|
* @see rgb_matrix_sethsv_noeeprom()
|
|
*/
|
|
void rgb_matrix_sethsv_noeeprom_user(const uint16_t hue, const uint8_t sat, const uint8_t val);
|
|
|
|
#if defined(RGB_FADE_IN) || defined(RGB_DISABLE_WITH_FADE_OUT) || defined(RGB_IDLE_TIMEOUT)
|
|
# if defined(RGB_MATRIX_MAXIMUM_BRIGHTNESS)
|
|
# if (RGB_MATRIX_MAXIMUM_BRIGHTNESS) < 1
|
|
# error "RGB_MATRIX_MAXIMUM_BRIGHTNESS must not be less than ONE"
|
|
# endif
|
|
# if UINT8_MAX < (RGB_MATRIX_MAXIMUM_BRIGHTNESS)
|
|
# error "RGB_MATRIX_MAXIMUM_BRIGHTNESS must not be larger than UINT8_MAX"
|
|
# endif
|
|
# else
|
|
# define RGB_MATRIX_MAXIMUM_BRIGHTNESS 200
|
|
# endif
|
|
#endif
|
|
|
|
#if defined(RGB_FADE_IN) || defined(RGB_IDLE_TIMEOUT)
|
|
/**
|
|
* @brief Calculates the time offset required by fade in.
|
|
* @details Using an arbitrary timer any point on the sine curve might be pointed to.
|
|
* The offset is calculated so that
|
|
* a) the point is at the lowest point in the curve and the curve is raising
|
|
* b) the point is near the current brightness (eg. fade in might be called while fading out and the lowest value has not yet been reached).
|
|
* @param[in] time Current time usually represented by a(usually scaled) timer
|
|
* @return Offset required so that time matches the current brightness
|
|
*/
|
|
uint8_t calc_fade_in_offset(const uint8_t time);
|
|
|
|
/**
|
|
* @brief Increases value/brightness until reaching RGB_MATRIX_MAXIMUM_BRIGHTNESS based on given timer.
|
|
* @param[in] time A (usually scaled) timer
|
|
* @return Returns `true` if RGB_MATRIX_MAXIMUM_BRIGHTNESS has been reached, `false` otherwise.
|
|
*/
|
|
bool fade_in(const uint8_t time);
|
|
#endif
|
|
|
|
#if defined(RGB_DISABLE_WITH_FADE_OUT)
|
|
# if !defined(RGB_DISABLE_TIMEOUT)
|
|
# warning "RGB_DISABLE_WITH_FADE_OUT expects RGB_DISABLE_TIMEOUT to be defined"
|
|
# endif
|
|
#endif
|
|
|
|
#if defined(RGB_DISABLE_WITH_FADE_OUT) || defined(RGB_IDLE_TIMEOUT)
|
|
/**
|
|
* @brief Calculates the time offset required by fade out.
|
|
* @details Using an arbitrary timer any point on the Sinus curve might be pointed to.
|
|
* The offest is calculated so that
|
|
* a) the point is at the highest point in the curve and the curve is failing
|
|
* b) the point is near the current brightness (eg. fade out might be called while on breath effect).
|
|
* @param[in] time Current time usually represented by a(usually scaled) timer
|
|
* @return Offset required so that time matches the current brightness
|
|
*/
|
|
uint8_t calc_fade_out_offset(const uint8_t time);
|
|
#endif
|
|
|
|
#if defined(RGB_DISABLE_WITH_FADE_OUT)
|
|
/**
|
|
* @brief Decreases value/brightness until reaching 0 based on given timer.
|
|
* @param[in] time A (usually scaled) timer
|
|
* @return Returns `true` if 0 has been reached, `false` otherwise.
|
|
*/
|
|
bool fade_out(const uint8_t time);
|
|
#endif
|
|
|
|
#if defined(RGB_IDLE_TIMEOUT)
|
|
# if RGB_IDLE_TIMEOUT < 0
|
|
# error "RGB_IDLE_TIMEOUT must not be less than ZERO"
|
|
# endif
|
|
# if !defined(RGB_IDLE_MINIMUM_BRIGHTNESS)
|
|
// minimum brightness when idling
|
|
# define RGB_IDLE_MINIMUM_BRIGHTNESS (RGB_MATRIX_MAXIMUM_BRIGHTNESS/5)
|
|
# endif
|
|
# if RGB_IDLE_MINIMUM_BRIGHTNESS < 0
|
|
# error "RGB_IDLE_MINIMUM_BRIGHTNESS must not be less than ZERO"
|
|
# endif // RGB_IDLE_MINIMUM_BRIGHTNESS < 0
|
|
# if RGB_MATRIX_MAXIMUM_BRIGHTNESS <= RGB_IDLE_MINIMUM_BRIGHTNESS
|
|
# error "RGB_IDLE_MINIMUM_BRIGHTNESS must be less than RGB_MATRIX_MAXIMUM_BRIGHTNESS"
|
|
# endif // RGB_MATRIX_MAXIMUM_BRIGHTNESS <= RGB_IDLE_MINIMUM_BRIGHTNESS
|
|
|
|
/**
|
|
* @brief Decreases value/brightness until reaching `RGB_IDLE_MINIMUM_BRIGHTNESS` based on given timer.
|
|
* @param[in] time A (usually scaled) timer
|
|
* @return Returns `true` if `RGB_IDLE_MINIMUM_BRIGHTNESS` has been reached, `false` otherwise.
|
|
*/
|
|
bool idle_fade_out(const uint8_t time);
|
|
|
|
#if defined(RGB_IDLE_BREATHE)
|
|
# if !defined(RGB_IDLE_MAXIMUM_BRIGHTNESS)
|
|
// maximum brightness when idling
|
|
# define RGB_IDLE_MAXIMUM_BRIGHTNESS (RGB_MATRIX_MAXIMUM_BRIGHTNESS*3/5)
|
|
# endif
|
|
# if !(0 <= RGB_IDLE_MAXIMUM_BRIGHTNESS)
|
|
# error "RGB_IDLE_MINIMUM_BRIGHTNESS must not be less than ZERO, was: " RGB_IDLE_MAXIMUM_BRIGHTNESS
|
|
# endif // RGB_IDLE_MAXIMUM_BRIGHTNESS < 0
|
|
# if !(RGB_IDLE_MINIMUM_BRIGHTNESS < RGB_IDLE_MAXIMUM_BRIGHTNESS)
|
|
# error "RGB_IDLE_MINIMUM_BRIGHTNESS must be less than RGB_IDLE_MAXIMUM_BRIGHTNESS"
|
|
# endif // RGB_IDLE_MAXIMUM_BRIGHTNESS <= RGB_IDLE_MINIMUM_BRIGHTNESS
|
|
# if !(RGB_IDLE_MAXIMUM_BRIGHTNESS <= RGB_MATRIX_MAXIMUM_BRIGHTNESS)
|
|
# error "RGB_IDLE_MAXIMUM_BRIGHTNESS must be less than or equal to RGB_MATRIX_MAXIMUM_BRIGHTNESS"
|
|
# endif // RGB_MATRIX_MAXIMUM_BRIGHTNESS <= RGB_IDLE_MAXIMUM_BRIGHTNESS
|
|
|
|
/**
|
|
* @brief Changes value/brightness to create a breathing effect based on given timer.
|
|
* @details Brightness will breathe in the range starting from `RGB_IDLE_MINIMUM_BRIGHTNESS` to `RGB_IDLE_MAXIMUM_BRIGHTNESS`.
|
|
* @param[in] time A (usually scaled) timer
|
|
*/
|
|
void idle_breathe(const uint8_t time);
|
|
#endif // RGB_IDLE_BREATHE
|
|
|
|
#endif // RGB_IDLE_TIMEOUT
|