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Diffstat (limited to 'users/vitoni/rgb_matrix_effects.h')
| -rw-r--r-- | users/vitoni/rgb_matrix_effects.h | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/users/vitoni/rgb_matrix_effects.h b/users/vitoni/rgb_matrix_effects.h new file mode 100644 index 0000000000..ed74500b18 --- /dev/null +++ b/users/vitoni/rgb_matrix_effects.h @@ -0,0 +1,174 @@ +// 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 |