From 53e36c13e2a00972cc29a390bf4643fd8fa3a791 Mon Sep 17 00:00:00 2001 From: Gergely Nagy Date: Fri, 27 Jan 2017 09:11:58 +0100 Subject: [PATCH] Lift out the LED control & effect parts from the core This is a slightly tweaked version of LEDControl from core KeyboardioFirmware, along with the built-in LED effects. The one major change is that LED sync is now called just before the update, instead of at the end of the main loop. This, however, should not be a noticeable change. Signed-off-by: Gergely Nagy --- COPYING | 339 ++++++++++++++++++++++++++++++++++ README.md | 6 + library.properties | 10 + src/BootAnimation.cpp | 40 ++++ src/BootAnimation.h | 3 + src/Keyboardio-LEDControl.cpp | 150 +++++++++++++++ src/Keyboardio-LEDControl.h | 52 ++++++ src/LED-BreatheEffect.cpp | 12 ++ src/LED-BreatheEffect.h | 15 ++ src/LED-ChaseEffect.cpp | 23 +++ src/LED-ChaseEffect.h | 20 ++ src/LED-Numlock.cpp | 55 ++++++ src/LED-Numlock.h | 17 ++ src/LED-Off.cpp | 3 + src/LED-Off.h | 10 + src/LED-RainbowEffect.cpp | 52 ++++++ src/LED-RainbowEffect.h | 43 +++++ src/LED-SolidColor.cpp | 13 ++ src/LED-SolidColor.h | 13 ++ src/LEDUtils.cpp | 86 +++++++++ src/LEDUtils.h | 6 + 21 files changed, 968 insertions(+) create mode 100644 COPYING create mode 100644 README.md create mode 100644 library.properties create mode 100644 src/BootAnimation.cpp create mode 100644 src/BootAnimation.h create mode 100644 src/Keyboardio-LEDControl.cpp create mode 100644 src/Keyboardio-LEDControl.h create mode 100644 src/LED-BreatheEffect.cpp create mode 100644 src/LED-BreatheEffect.h create mode 100644 src/LED-ChaseEffect.cpp create mode 100644 src/LED-ChaseEffect.h create mode 100644 src/LED-Numlock.cpp create mode 100644 src/LED-Numlock.h create mode 100644 src/LED-Off.cpp create mode 100644 src/LED-Off.h create mode 100644 src/LED-RainbowEffect.cpp create mode 100644 src/LED-RainbowEffect.h create mode 100644 src/LED-SolidColor.cpp create mode 100644 src/LED-SolidColor.h create mode 100644 src/LEDUtils.cpp create mode 100644 src/LEDUtils.h diff --git a/COPYING b/COPYING new file mode 100644 index 00000000..d159169d --- /dev/null +++ b/COPYING @@ -0,0 +1,339 @@ + GNU GENERAL PUBLIC LICENSE + Version 2, June 1991 + + Copyright (C) 1989, 1991 Free Software Foundation, Inc., + 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The licenses for most software are designed to take away your +freedom to share and change it. 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If this is what you want to do, use the GNU Lesser General +Public License instead of this License. diff --git a/README.md b/README.md new file mode 100644 index 00000000..a74162ee --- /dev/null +++ b/README.md @@ -0,0 +1,6 @@ +# Keyboardio-LEDControl + +This is a plugin for [KeyboardioFirmware][fw], for controlling the LEDs, and LED +effects. + + [fw]: https://github.com/keyboardio/KeyboardioFirmware diff --git a/library.properties b/library.properties new file mode 100644 index 00000000..ff66292e --- /dev/null +++ b/library.properties @@ -0,0 +1,10 @@ +name=Keyboardio-LEDControl +version=0.0.1 +author=Jesse Vincent +maintainer=Jesse Vincent +sentence=LED control for Keyboardio boards. +paragraph=... +category=Communication +url=https://github.com/keyboardio/Keyboardio-LEDControl +architectures=avr +dot_a_linkage=true diff --git a/src/BootAnimation.cpp b/src/BootAnimation.cpp new file mode 100644 index 00000000..76c4a336 --- /dev/null +++ b/src/BootAnimation.cpp @@ -0,0 +1,40 @@ +#include "BootAnimation.h" +#include "Keyboardio-LEDControl.h" +#include "EEPROM.h" + +#define EEPROM_BOOT_ANIMATION_LOCATION 1 + +static void +type_letter(uint8_t letter) { + LEDControl.led_set_crgb_at(letter, {255, 0, 0}); + LEDControl.led_sync(); + delay(250); + LEDControl.led_set_crgb_at(letter, {0, 0, 0}); + LEDControl.led_sync(); + delay(10); +} + +void +bootAnimation (void) { + if (EEPROM.read (EEPROM_BOOT_ANIMATION_LOCATION)) + return; + + LEDControl.set_all_leds_to(0, 0, 0); + + type_letter(LED_K); + type_letter(LED_E); + type_letter(LED_Y); + type_letter(LED_B); + type_letter(LED_O); + type_letter(LED_A); + type_letter(LED_R); + type_letter(LED_D); + type_letter(LED_I); + type_letter(LED_O); + type_letter(LED_SPACE); + type_letter(LED_0); + type_letter(LED_PERIOD); + type_letter(LED_9); + + EEPROM.update (EEPROM_BOOT_ANIMATION_LOCATION, 1); +} diff --git a/src/BootAnimation.h b/src/BootAnimation.h new file mode 100644 index 00000000..f8b49cac --- /dev/null +++ b/src/BootAnimation.h @@ -0,0 +1,3 @@ +#pragma once + +void bootAnimation(void); diff --git a/src/Keyboardio-LEDControl.cpp b/src/Keyboardio-LEDControl.cpp new file mode 100644 index 00000000..acba5121 --- /dev/null +++ b/src/Keyboardio-LEDControl.cpp @@ -0,0 +1,150 @@ +#include "Keyboardio-LEDControl.h" + +LEDMode *LEDControl_::modes[LED_MAX_MODES]; +uint8_t LEDControl_::previousMode, LEDControl_::mode; + +void +LEDMode::activate (void) { + LEDControl.activate (this); +} + +void +LEDMode::begin(void) { + LEDControl.mode_add(this); +} + +LEDControl_::LEDControl_(void) { + mode = previousMode = 0; + memset (modes, 0, LED_MAX_MODES * sizeof (modes[0])); +} + +void +LEDControl_::next_mode (void) { + mode++; + + if (mode >= LED_MAX_MODES) { + mode = 0; + return; + } + + if (modes[mode]) + return; + + mode = 0; +} + +void +LEDControl_::update (void) { + if (previousMode != mode) { + set_all_leds_to ({0, 0, 0}); + if (modes[mode]) + (modes[mode]->init) (); + } + + if (modes[mode]) + (modes[mode]->update) (); + + previousMode = mode; +} + +void +LEDControl_::set_mode (uint8_t mode_) { + if (mode_ < LED_MAX_MODES) + mode = mode_; +} + +uint8_t +LEDControl_::get_mode (void) { + return mode; +} + +void +LEDControl_::activate (LEDMode *mode) { + for (uint8_t i = 0; i < LED_MAX_MODES; i++) { + if (modes[i] == mode) + return set_mode(i); + } +} + +int8_t +LEDControl_::mode_add (LEDMode *mode) { + for (int i = 0; i < LED_MAX_MODES; i++) { + if (modes[i]) + continue; + + modes[i] = mode; + return i; + } + return -1; +} + +void +LEDControl_::set_all_leds_to(uint8_t r, uint8_t g, uint8_t b) { + cRGB color; + color.r=r; + color.g=g; + color.b=b; + set_all_leds_to(color); +} + +void +LEDControl_::set_all_leds_to(cRGB color) { + for (uint8_t i = 0; i < LED_COUNT; i++) { + led_set_crgb_at(i, color); + } +} + +void +LEDControl_::led_set_crgb_at(uint8_t i, cRGB crgb) { + KeyboardHardware.led_set_crgb_at(i, crgb); +} + +void +LEDControl_::led_set_crgb_at(byte row, byte col, cRGB color) { + KeyboardHardware.led_set_crgb_at(row, col, color); +} + +cRGB +LEDControl_::led_get_crgb_at(uint8_t i) { + return KeyboardHardware.led_get_crgb_at(i); +} + +void +LEDControl_::led_sync(void) { + KeyboardHardware.led_sync(); +} + +void +LEDControl_::begin (void) { + set_all_leds_to ({0, 0, 0}); + + for (uint8_t i = 0; i < LED_MAX_MODES; i++) { + if (modes[i]) + (modes[i]->setup)(); + } + + event_handler_hook_add(eventHandler); + loop_hook_add(loopHook); +} + +Key +LEDControl_::eventHandler (Key mappedKey, byte row, byte col, uint8_t keyState) { + if (mappedKey.flags != (SYNTHETIC | IS_INTERNAL | LED_TOGGLE)) + return mappedKey; + + if (key_toggled_on(keyState)) + LEDControl.next_mode(); + + return Key_NoKey; +} + +void +LEDControl_::loopHook (bool postClear) { + if (postClear) + return; + + led_sync(); + update(); +} + +LEDControl_ LEDControl; diff --git a/src/Keyboardio-LEDControl.h b/src/Keyboardio-LEDControl.h new file mode 100644 index 00000000..ff388397 --- /dev/null +++ b/src/Keyboardio-LEDControl.h @@ -0,0 +1,52 @@ +#pragma once + +#include + +#define LED_MAX_MODES 24 + +#define LED_TOGGLE B00000001 // Synthetic, internal + +#define Key_LEDEffectNext (Key) { 0, KEY_FLAGS | SYNTHETIC | IS_INTERNAL | LED_TOGGLE } + +class LEDMode : public KeyboardioPlugin { + public: + virtual void begin (void); + virtual void setup (void) {}; + virtual void init (void) {}; + virtual void update (void) {}; + virtual void activate (void); +}; + +class LEDControl_ : public KeyboardioPlugin { + public: + LEDControl_(void); + + virtual void begin(void) final; + + static void next_mode(void); + static void setup(void); + static void update(void); + static void set_mode(uint8_t mode); + static uint8_t get_mode(); + + static int8_t mode_add (LEDMode *mode); + + static void led_set_crgb_at(uint8_t i, cRGB crgb); + static void led_set_crgb_at(byte row, byte col, cRGB color); + static cRGB led_get_crgb_at(uint8_t i); + static void led_sync(void); + + static void set_all_leds_to(uint8_t r, uint8_t g, uint8_t b); + static void set_all_leds_to(cRGB color); + + static void activate (LEDMode *mode); + + private: + static LEDMode *modes[LED_MAX_MODES]; + static uint8_t previousMode, mode; + + static Key eventHandler(Key mappedKey, byte row, byte col, uint8_t keyState); + static void loopHook (bool postClear); +}; + +extern LEDControl_ LEDControl; diff --git a/src/LED-BreatheEffect.cpp b/src/LED-BreatheEffect.cpp new file mode 100644 index 00000000..3f249bda --- /dev/null +++ b/src/LED-BreatheEffect.cpp @@ -0,0 +1,12 @@ +#include "LED-BreatheEffect.h" + +LEDBreatheEffect_::LEDBreatheEffect_ (void) { +} + +void +LEDBreatheEffect_::update (void) { + cRGB color = breath_compute(); + LEDControl.set_all_leds_to (color); +} + +LEDBreatheEffect_ LEDBreatheEffect; diff --git a/src/LED-BreatheEffect.h b/src/LED-BreatheEffect.h new file mode 100644 index 00000000..781cf59f --- /dev/null +++ b/src/LED-BreatheEffect.h @@ -0,0 +1,15 @@ +#pragma once + +#include "Keyboardio-LEDControl.h" +#include "LEDUtils.h" + +class LEDBreatheEffect_ : LEDMode { + public: + LEDBreatheEffect_ (void); + + virtual void update (void) final; + + private: +}; + +extern LEDBreatheEffect_ LEDBreatheEffect; diff --git a/src/LED-ChaseEffect.cpp b/src/LED-ChaseEffect.cpp new file mode 100644 index 00000000..7c32b568 --- /dev/null +++ b/src/LED-ChaseEffect.cpp @@ -0,0 +1,23 @@ +#include "LED-ChaseEffect.h" + +LEDChaseEffect_::LEDChaseEffect_ (void) { +} + +void +LEDChaseEffect_::update (void) { + if (current_chase_counter++ < chase_threshold) { + return; + } + current_chase_counter = 0; + LEDControl.led_set_crgb_at(pos - (chase_sign* chase_pixels), {0, 0, 0}); + LEDControl.led_set_crgb_at(pos, {0, 0, 0}); + + pos += chase_sign; + if (pos >= LED_COUNT || pos <= 0) { + chase_sign = -chase_sign; + } + LEDControl.led_set_crgb_at(pos, {0, 0, 255}); + LEDControl.led_set_crgb_at(pos - (chase_sign * chase_pixels), {255, 0, 0}); +} + +LEDChaseEffect_ LEDChaseEffect; diff --git a/src/LED-ChaseEffect.h b/src/LED-ChaseEffect.h new file mode 100644 index 00000000..2576df9d --- /dev/null +++ b/src/LED-ChaseEffect.h @@ -0,0 +1,20 @@ +#pragma once + +#include "Keyboardio-LEDControl.h" +#include "LEDUtils.h" + +class LEDChaseEffect_ : LEDMode { + public: + LEDChaseEffect_ (void); + + virtual void update (void) final; + + private: + uint8_t pos = 0; + int8_t chase_sign = 1; //negative values when it's going backwar + uint8_t chase_pixels = 5; + uint8_t current_chase_counter = 0; + static const uint8_t chase_threshold = 20; +}; + +extern LEDChaseEffect_ LEDChaseEffect; diff --git a/src/LED-Numlock.cpp b/src/LED-Numlock.cpp new file mode 100644 index 00000000..4a17f99e --- /dev/null +++ b/src/LED-Numlock.cpp @@ -0,0 +1,55 @@ +#include "LED-Numlock.h" +#include "LEDUtils.h" +#include "layers.h" + +static uint8_t numpadIndex; +static uint8_t storedLEDMode; +static uint8_t us; + +LEDNumlock::LEDNumlock (uint8_t numpadIdx) { + numpadIndex = numpadIdx; +} + +void +LEDNumlock::begin (void) { + us = LEDControl.mode_add (this); + loop_hook_add (this->loopHook); +} + +void +LEDNumlock::setup (void) { + if (!Layer.isOn (numpadIndex)) { + LEDControl.next_mode (); + } +} + +void +LEDNumlock::update (void) { + for (uint8_t i = 0; i < 44; i++) { + LEDControl.led_set_crgb_at(i, {0, 0, 0}); + } + for (uint8_t i = 44; i < LED_COUNT; i++) { + LEDControl.led_set_crgb_at(i, {255, 0, 0}); + } + + cRGB color = breath_compute (); + LEDControl.led_set_crgb_at (60, color); +} + +void +LEDNumlock::loopHook (bool postClear) { + if (!postClear) + return; + + if (Layer.isOn (numpadIndex)) { + if (storedLEDMode != us) { + storedLEDMode = LEDControl.get_mode (); + } + LEDControl.set_mode (us); + } + + if (!Layer.isOn (numpadIndex) && + LEDControl.get_mode () == us) { + LEDControl.set_mode (storedLEDMode); + } +} diff --git a/src/LED-Numlock.h b/src/LED-Numlock.h new file mode 100644 index 00000000..14521096 --- /dev/null +++ b/src/LED-Numlock.h @@ -0,0 +1,17 @@ +#pragma once + +#include "Keyboardio-LEDControl.h" +#include "LEDUtils.h" + +class LEDNumlock : LEDMode { + public: + LEDNumlock (uint8_t numpadIndex); + + virtual void begin (void) final; + + virtual void update (void) final; + virtual void setup (void) final; + + private: + static void loopHook (bool postClear); +}; diff --git a/src/LED-Off.cpp b/src/LED-Off.cpp new file mode 100644 index 00000000..b2c91c55 --- /dev/null +++ b/src/LED-Off.cpp @@ -0,0 +1,3 @@ +#include "LED-Off.h" + +LEDOff_ LEDOff; diff --git a/src/LED-Off.h b/src/LED-Off.h new file mode 100644 index 00000000..4f75d9bb --- /dev/null +++ b/src/LED-Off.h @@ -0,0 +1,10 @@ +#pragma once + +#include "Keyboardio-LEDControl.h" + +class LEDOff_ : public LEDMode { + public: + LEDOff_ (void) { }; +}; + +extern LEDOff_ LEDOff; diff --git a/src/LED-RainbowEffect.cpp b/src/LED-RainbowEffect.cpp new file mode 100644 index 00000000..e258f06d --- /dev/null +++ b/src/LED-RainbowEffect.cpp @@ -0,0 +1,52 @@ +#include "LED-RainbowEffect.h" + +LEDRainbowEffect_::LEDRainbowEffect_ (void) { +} + +void +LEDRainbowEffect_::update (void) { + if (rainbow_current_ticks++ < rainbow_ticks) { + return; + } else { + rainbow_current_ticks = 0; + } + + cRGB rainbow = hsv_to_rgb(rainbow_hue, rainbow_saturation, rainbow_value); + + rainbow_hue += rainbow_steps; + if (rainbow_hue >= 255) { + rainbow_hue -= 255; + } + LEDControl.set_all_leds_to(rainbow); +} + +LEDRainbowEffect_ LEDRainbowEffect; + +// --------- + +LEDRainbowWaveEffect_::LEDRainbowWaveEffect_ (void) { +} + +void +LEDRainbowWaveEffect_::update (void) { + if (rainbow_current_ticks++ < rainbow_wave_ticks) { + return; + } else { + rainbow_current_ticks = 0; + } + + for (uint8_t i = 0; i < LED_COUNT; i++) { + uint16_t key_hue = rainbow_hue +16*(i/4); + if (key_hue >= 255) { + key_hue -= 255; + } + cRGB rainbow = hsv_to_rgb(key_hue, rainbow_saturation, rainbow_value); + LEDControl.led_set_crgb_at (i, rainbow); + } + rainbow_hue += rainbow_wave_steps; + if (rainbow_hue >= 255) { + rainbow_hue -= 255; + } +} + +LEDRainbowWaveEffect_ LEDRainbowWaveEffect; diff --git a/src/LED-RainbowEffect.h b/src/LED-RainbowEffect.h new file mode 100644 index 00000000..5589e18c --- /dev/null +++ b/src/LED-RainbowEffect.h @@ -0,0 +1,43 @@ +#pragma once + +#include "Keyboardio-LEDControl.h" +#include "LEDUtils.h" + +class LEDRainbowEffect_ : LEDMode { + public: + LEDRainbowEffect_ (void); + + virtual void update (void) final; + + private: + uint16_t rainbow_hue = 0; //stores 0 to 614 + + static const uint8_t rainbow_steps = 1; //number of hues we skip in a 360 range per update + long rainbow_current_ticks = 0; + static const long rainbow_ticks = 10; //delays between update + + static const byte rainbow_saturation = 255; + static const byte rainbow_value = 50; + +}; + +extern LEDRainbowEffect_ LEDRainbowEffect; + +class LEDRainbowWaveEffect_ : LEDMode { + public: + LEDRainbowWaveEffect_ (void); + + virtual void update (void) final; + + private: + uint16_t rainbow_hue = 0; //stores 0 to 614 + + static const uint8_t rainbow_wave_steps = 1; //number of hues we skip in a 360 range per update + long rainbow_current_ticks = 0; + static const long rainbow_wave_ticks = 10; //delays between update + + static const byte rainbow_saturation = 255; + static const byte rainbow_value = 50; +}; + +extern LEDRainbowWaveEffect_ LEDRainbowWaveEffect; diff --git a/src/LED-SolidColor.cpp b/src/LED-SolidColor.cpp new file mode 100644 index 00000000..84a57126 --- /dev/null +++ b/src/LED-SolidColor.cpp @@ -0,0 +1,13 @@ +#include "LED-SolidColor.h" + +LEDSolidColor::LEDSolidColor (uint8_t r, uint8_t g, uint8_t b) { + this->r = r; + this->g = g; + this->b = b; + LEDControl.mode_add (this); +} + +void +LEDSolidColor::init (void) { + LEDControl.set_all_leds_to (r, g, b); +} diff --git a/src/LED-SolidColor.h b/src/LED-SolidColor.h new file mode 100644 index 00000000..01965678 --- /dev/null +++ b/src/LED-SolidColor.h @@ -0,0 +1,13 @@ +#pragma once + +#include "Keyboardio-LEDControl.h" + +class LEDSolidColor : LEDMode { + public: + LEDSolidColor (uint8_t r, uint8_t g, uint8_t b); + + virtual void init (void) final; + + private: + uint8_t r, g, b; +}; diff --git a/src/LEDUtils.cpp b/src/LEDUtils.cpp new file mode 100644 index 00000000..3897b5b8 --- /dev/null +++ b/src/LEDUtils.cpp @@ -0,0 +1,86 @@ +#include "LEDUtils.h" + +cRGB +breath_compute () { + + // This code is adapted from FastLED lib8tion.h as of dd5d96c6b289cb6b4b891748a4aeef3ddceaf0e6 + // Eventually, we should consider just using FastLED + + uint8_t i = (uint16_t)millis()/12; + + if( i & 0x80) { + i = 255 - i; + } + + i = i << 1; + uint8_t ii = (i*i)>>8; + uint8_t iii = (ii*i)>>8; + + i = (( (3 * (uint16_t)(ii)) - ( 2 * (uint16_t)(iii))) / 2) + 2; + + return hsv_to_rgb(200, 255, i); +} + + + +// From http://web.mit.edu/storborg/Public/hsvtorgb.c - talk to Scott about licensing +cRGB +hsv_to_rgb(uint16_t h, uint16_t s, uint16_t v) { + cRGB color; + + /* HSV to RGB conversion function with only integer + * math */ + uint16_t region, fpart, p, q, t; + + if(s == 0) { + /* color is grayscale */ + color.r = color.g = color.b = v; + return color; + } + + /* make hue 0-5 */ + region = (h *6) >> 8; + /* find remainder part, make it from 0-255 */ + fpart = (h*6) - (region <<8); + + /* calculate temp vars, doing integer multiplication */ + p = (v * (255 - s)) >> 8; + q = (v * (255 - ((s * fpart) >> 8))) >> 8; + t = (v * (255 - ((s * (255 - fpart)) >> 8))) >> 8; + + /* assign temp vars based on color cone region */ + switch(region) { + case 0: + color.r = v; + color.g = t; + color.b = p; + break; + case 1: + color.r = q; + color.g = v; + color.b = p; + break; + case 2: + color.r = p; + color.g = v; + color.b = t; + break; + case 3: + color.r = p; + color.g = q; + color.b = v; + break; + case 4: + color.r = t; + color.g = p; + color.b = v; + break; + default: + color.r = v; + color.g = p; + color.b = q; + break; + } + + return color; +} diff --git a/src/LEDUtils.h b/src/LEDUtils.h new file mode 100644 index 00000000..40e0d2c2 --- /dev/null +++ b/src/LEDUtils.h @@ -0,0 +1,6 @@ +#pragma once + +#include "KeyboardConfig.h" + +cRGB breath_compute (void); +cRGB hsv_to_rgb(uint16_t h, uint16_t s, uint16_t v);