~ruther/qmk_firmware

0a40654b82520849fcc587e8fb76c823378649a6 — Yang Liu 9 years ago fd72a46
Add support for WS2812 LEDs
M keyboard/planck/Makefile => keyboard/planck/Makefile +10 -3
@@ 27,7 27,7 @@
# make flip-ee = Download the eeprom file to the device, using Atmel FLIP
#                (must have Atmel FLIP installed).
#
# make debug = Start either simulavr or avarice as specified for debugging, 
# make debug = Start either simulavr or avarice as specified for debugging,
#              with avr-gdb or avr-insight as the front end for debugging.
#
# make filename.s = Just compile filename.c into the assembler code only.


@@ 137,17 137,25 @@ CONSOLE_ENABLE = yes	# Console for debug(+400)
COMMAND_ENABLE = yes    # Commands for debug and configuration
# Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE
# SLEEP_LED_ENABLE = yes  # Breathing sleep LED during USB suspend
# NKRO_ENABLE = yes		# USB Nkey Rollover - if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
NKRO_ENABLE = yes		# USB Nkey Rollover - if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
BACKLIGHT_ENABLE = yes  # Enable keyboard backlight functionality
# MIDI_ENABLE = YES 		# MIDI controls
# AUDIO_ENABLE = YES 		# Audio output on port C6
# UNICODE_ENABLE = YES 		# Unicode
# BLUETOOTH_ENABLE = yes # Enable Bluetooth with the Adafruit EZ-Key HID
RGBLIGHT_ENABLE = yes # Enable WS2812 bottom RGB light

ifdef BACKLIGHT_ENABLE
	SRC += backlight.c
endif

ifdef RGBLIGHT_ENABLE
	SRC += light_ws2812.c
	SRC += rgblight.c
	OPT_DEFS += -DRGBLIGHT_ENABLE
endif


# Optimize size but this may cause error "relocation truncated to fit"
#EXTRALDFLAGS = -Wl,--relax



@@ 157,4 165,3 @@ VPATH += $(TOP_DIR)
VPATH += $(TMK_DIR)

include $(TOP_DIR)/quantum/quantum.mk


M keyboard/planck/config.h => keyboard/planck/config.h +15 -0
@@ 58,6 58,21 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
    keyboard_report->mods == (MOD_BIT(KC_LSHIFT) | MOD_BIT(KC_RSHIFT)) \
)

/* ws2812 RGB LED */
#define ws2812_PORTREG  PORTD
#define ws2812_DDRREG   DDRD
#define ws2812_pin PD1
#define RGBLED_NUM 28     // Number of LEDs
#ifndef RGBLIGHT_HUE_STEP
#define RGBLIGHT_HUE_STEP 10
#endif
#ifndef RGBLIGHT_SAT_STEP
#define RGBLIGHT_SAT_STEP 17
#endif
#ifndef RGBLIGHT_VAL_STEP
#define RGBLIGHT_VAL_STEP 17
#endif

/*
 * Feature disable options
 *  These options are also useful to firmware size reduction.

A keyboard/planck/keymaps/yang/keymap.c => keyboard/planck/keymaps/yang/keymap.c +146 -0
@@ 0,0 1,146 @@
// This is the canonical layout file for the Quantum project. If you want to add another keyboard,
// this is the style you want to emulate.

#include "planck.h"
#ifdef BACKLIGHT_ENABLE
  #include "backlight.h"
#endif

// Each layer gets a name for readability, which is then used in the keymap matrix below.
// The underscores don't mean anything - you can have a layer called STUFF or any other name.
// Layer names don't all need to be of the same length, obviously, and you can also skip them
// entirely and just use numbers.
#define _QW 0
#define _CM 1
#define _DV 2
#define _LW 3
#define _RS 4
#define _RGB 5

const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
[_QW] = { /* Qwerty */
  {KC_TAB,  KC_Q,    KC_W,    KC_E,    KC_R,    KC_T,    KC_Y,    KC_U,    KC_I,    KC_O,    KC_P,    KC_BSPC},
  {KC_ESC,  KC_A,    KC_S,    KC_D,    KC_F,    KC_G,    KC_H,    KC_J,    KC_K,    KC_L,    KC_SCLN, KC_QUOT},
  {KC_LSFT, KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,    KC_N,    KC_M,    KC_COMM, KC_DOT,  KC_SLSH, KC_ENT },
  {M(0),    KC_LCTL, KC_LALT, KC_LGUI, MO(_LW), F(0),    F(0),    MO(_RS), KC_LEFT, KC_DOWN, KC_UP,   KC_RGHT}
},
[_CM] = { /* Colemak */
  {KC_TAB,  KC_Q,    KC_W,    KC_F,    KC_P,    KC_G,    KC_J,    KC_L,    KC_U,    KC_Y,    KC_SCLN, KC_BSPC},
  {KC_ESC,  KC_A,    KC_R,    KC_S,    KC_T,    KC_D,    KC_H,    KC_N,    KC_E,    KC_I,    KC_O,    KC_QUOT},
  {KC_LSFT, KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,    KC_K,    KC_M,    KC_COMM, KC_DOT,  KC_SLSH, KC_ENT },
  {M(0),    KC_LCTL, KC_LALT, KC_LGUI, MO(_LW), F(0),    F(0),    MO(_RS), KC_LEFT, KC_DOWN, KC_UP,   KC_RGHT}
},
[_DV] = { /* Dvorak */
  {KC_TAB,  KC_QUOT, KC_COMM, KC_DOT,  KC_P,    KC_Y,    KC_F,    KC_G,    KC_C,    KC_R,    KC_L,    KC_BSPC},
  {KC_ESC,  KC_A,    KC_O,    KC_E,    KC_U,    KC_I,    KC_D,    KC_H,    KC_T,    KC_N,    KC_S,    KC_SLSH},
  {KC_LSFT, KC_SCLN, KC_Q,    KC_J,    KC_K,    KC_X,    KC_B,    KC_M,    KC_W,    KC_V,    KC_Z,    KC_ENT },
  {M(0),    KC_LCTL, KC_LALT, KC_LGUI, MO(_LW), F(0),    F(0),    MO(_RS), KC_LEFT, KC_DOWN, KC_UP,   KC_RGHT}
},
[_RS] = { /* RAISE */
  {KC_GRV,  KC_1,    KC_2,    KC_3,    KC_4,    KC_5,    KC_6,    KC_7,    KC_8,    KC_9,    KC_0,    KC_BSPC},
  {KC_TRNS, KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   KC_MINS, KC_EQL,  KC_LBRC, KC_RBRC, KC_BSLS},
  {KC_TRNS, KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_F11,  KC_F12,  DF(_QW), DF(_CM), DF(_DV), RESET,   KC_TRNS},
  {KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_MNXT, KC_VOLD, KC_VOLU, KC_MPLY}
},
[_LW] = { /* LOWER */
  {KC_TILD, KC_EXLM, KC_AT,   KC_HASH, KC_DLR,  KC_PERC, KC_CIRC, KC_AMPR, KC_ASTR, KC_LPRN, KC_RPRN, KC_BSPC},
  {KC_TRNS, KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   KC_UNDS, KC_PLUS, KC_LCBR, KC_RCBR, KC_PIPE},
  {KC_TRNS, KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_F11,  KC_F12,  DF(_QW), DF(_CM), DF(_DV), RESET,   KC_TRNS},
  {KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_MNXT, KC_VOLD, KC_VOLU, KC_MPLY}
},
[_RGB] = { /* RGBLIGHT */
  {KC_TRNS,  KC_PGUP,  KC_UP,    KC_PGDN,  KC_TRNS,  KC_TRNS,  KC_TRNS,  KC_TRNS,  KC_TRNS,  KC_TRNS,  KC_TRNS,  KC_DEL},
  {KC_TRNS,  KC_LEFT,  KC_DOWN,  KC_RGHT,  KC_TRNS,  KC_HOME,  KC_LEFT,  KC_DOWN,  KC_UP,    KC_RGHT,  KC_END,   KC_TRNS},
  {KC_TRNS,  F(1),     F(2),     F(3),     F(4),     F(5),     F(6),     F(7),     F(8),     KC_TRNS,  KC_TRNS,  KC_TRNS},
  {KC_TRNS,  KC_TRNS,  KC_TRNS,  KC_TRNS,  KC_TRNS,  KC_TRNS,  KC_TRNS,  KC_TRNS,  KC_TRNS,  KC_TRNS,  KC_TRNS,  KC_TRNS}

}
};

enum function_id {
    RGBLED_TOGGLE,
    RGBLED_STEP_MODE,
    RGBLED_INCREASE_HUE,
    RGBLED_DECREASE_HUE,
    RGBLED_INCREASE_SAT,
    RGBLED_DECREASE_SAT,
    RGBLED_INCREASE_VAL,
    RGBLED_DECREASE_VAL,
};

const uint16_t PROGMEM fn_actions[] = {
  [0]  = ACTION_LAYER_TAP_KEY(_RGB, KC_SPC),
  [1]  = ACTION_FUNCTION(RGBLED_TOGGLE),
  [2]  = ACTION_FUNCTION(RGBLED_STEP_MODE),
  [3]  = ACTION_FUNCTION(RGBLED_INCREASE_HUE),
  [4]  = ACTION_FUNCTION(RGBLED_DECREASE_HUE),
  [5]  = ACTION_FUNCTION(RGBLED_INCREASE_SAT),
  [6]  = ACTION_FUNCTION(RGBLED_DECREASE_SAT),
  [7]  = ACTION_FUNCTION(RGBLED_INCREASE_VAL),
  [8]  = ACTION_FUNCTION(RGBLED_DECREASE_VAL),
};

const macro_t *action_get_macro(keyrecord_t *record, uint8_t id, uint8_t opt)
{
  // MACRODOWN only works in this function
      switch(id) {
        case 0:
          if (record->event.pressed) {
            register_code(KC_RSFT);
            #ifdef BACKLIGHT_ENABLE
              backlight_step();
            #endif
          } else {
            unregister_code(KC_RSFT);
          }
        break;
      }
    return MACRO_NONE;
};

void action_function(keyrecord_t *record, uint8_t id, uint8_t opt) {
  switch (id) {
    case RGBLED_TOGGLE:
      //led operations
      if (record->event.pressed) {
        rgblight_toggle();
      }

      break;
    case RGBLED_INCREASE_HUE:
      if (record->event.pressed) {
        rgblight_increase_hue();
      }
      break;
    case RGBLED_DECREASE_HUE:
      if (record->event.pressed) {
        rgblight_decrease_hue();
      }
      break;
    case RGBLED_INCREASE_SAT:
      if (record->event.pressed) {
        rgblight_increase_sat();
      }
      break;
    case RGBLED_DECREASE_SAT:
      if (record->event.pressed) {
        rgblight_decrease_sat();
      }
      break;
      case RGBLED_INCREASE_VAL:
        if (record->event.pressed) {
          rgblight_increase_val();
        }
        break;
      case RGBLED_DECREASE_VAL:
        if (record->event.pressed) {
          rgblight_decrease_val();
        }
        break;
      case RGBLED_STEP_MODE:
        if (record->event.pressed) {
          rgblight_step();
        }
        break;
  }
}

A keyboard/planck/light_ws2812.c => keyboard/planck/light_ws2812.c +181 -0
@@ 0,0 1,181 @@
/*
* light weight WS2812 lib V2.0b
*
* Controls WS2811/WS2812/WS2812B RGB-LEDs
* Author: Tim (cpldcpu@gmail.com)
*
* Jan 18th, 2014  v2.0b Initial Version
* Nov 29th, 2015  v2.3  Added SK6812RGBW support
*
* License: GNU GPL v2 (see License.txt)
*/

#include "light_ws2812.h"
#include <avr/interrupt.h>
#include <avr/io.h>
#include <util/delay.h>
#include "debug.h"

// Setleds for standard RGB
void inline ws2812_setleds(struct cRGB *ledarray, uint16_t leds)
{
   ws2812_setleds_pin(ledarray,leds, _BV(ws2812_pin));
}

void inline ws2812_setleds_pin(struct cRGB *ledarray, uint16_t leds, uint8_t pinmask)
{
  ws2812_DDRREG |= pinmask; // Enable DDR
  ws2812_sendarray_mask((uint8_t*)ledarray,leds+leds+leds,pinmask);
  _delay_us(50);
}

// Setleds for SK6812RGBW
void inline ws2812_setleds_rgbw(struct cRGBW *ledarray, uint16_t leds)
{
  ws2812_DDRREG |= _BV(ws2812_pin); // Enable DDR
  ws2812_sendarray_mask((uint8_t*)ledarray,leds<<2,_BV(ws2812_pin));
  _delay_us(80);
}

void ws2812_sendarray(uint8_t *data,uint16_t datlen)
{
  ws2812_sendarray_mask(data,datlen,_BV(ws2812_pin));
}

/*
  This routine writes an array of bytes with RGB values to the Dataout pin
  using the fast 800kHz clockless WS2811/2812 protocol.
*/

// Timing in ns
#define w_zeropulse   350
#define w_onepulse    900
#define w_totalperiod 1250

// Fixed cycles used by the inner loop
#define w_fixedlow    2
#define w_fixedhigh   4
#define w_fixedtotal  8

// Insert NOPs to match the timing, if possible
#define w_zerocycles    (((F_CPU/1000)*w_zeropulse          )/1000000)
#define w_onecycles     (((F_CPU/1000)*w_onepulse    +500000)/1000000)
#define w_totalcycles   (((F_CPU/1000)*w_totalperiod +500000)/1000000)

// w1 - nops between rising edge and falling edge - low
#define w1 (w_zerocycles-w_fixedlow)
// w2   nops between fe low and fe high
#define w2 (w_onecycles-w_fixedhigh-w1)
// w3   nops to complete loop
#define w3 (w_totalcycles-w_fixedtotal-w1-w2)

#if w1>0
  #define w1_nops w1
#else
  #define w1_nops  0
#endif

// The only critical timing parameter is the minimum pulse length of the "0"
// Warn or throw error if this timing can not be met with current F_CPU settings.
#define w_lowtime ((w1_nops+w_fixedlow)*1000000)/(F_CPU/1000)
#if w_lowtime>550
   #error "Light_ws2812: Sorry, the clock speed is too low. Did you set F_CPU correctly?"
#elif w_lowtime>450
   #warning "Light_ws2812: The timing is critical and may only work on WS2812B, not on WS2812(S)."
   #warning "Please consider a higher clockspeed, if possible"
#endif

#if w2>0
#define w2_nops w2
#else
#define w2_nops  0
#endif

#if w3>0
#define w3_nops w3
#else
#define w3_nops  0
#endif

#define w_nop1  "nop      \n\t"
#define w_nop2  "rjmp .+0 \n\t"
#define w_nop4  w_nop2 w_nop2
#define w_nop8  w_nop4 w_nop4
#define w_nop16 w_nop8 w_nop8

void inline ws2812_sendarray_mask(uint8_t *data,uint16_t datlen,uint8_t maskhi)
{
  uint8_t curbyte,ctr,masklo;
  uint8_t sreg_prev;

  masklo	=~maskhi&ws2812_PORTREG;
  maskhi |=        ws2812_PORTREG;
  sreg_prev=SREG;
  cli();

  while (datlen--) {
    curbyte=*data++;

    asm volatile(
    "       ldi   %0,8  \n\t"
    "loop%=:            \n\t"
    "       out   %2,%3 \n\t"    //  '1' [01] '0' [01] - re
#if (w1_nops&1)
w_nop1
#endif
#if (w1_nops&2)
w_nop2
#endif
#if (w1_nops&4)
w_nop4
#endif
#if (w1_nops&8)
w_nop8
#endif
#if (w1_nops&16)
w_nop16
#endif
    "       sbrs  %1,7  \n\t"    //  '1' [03] '0' [02]
    "       out   %2,%4 \n\t"    //  '1' [--] '0' [03] - fe-low
    "       lsl   %1    \n\t"    //  '1' [04] '0' [04]
#if (w2_nops&1)
  w_nop1
#endif
#if (w2_nops&2)
  w_nop2
#endif
#if (w2_nops&4)
  w_nop4
#endif
#if (w2_nops&8)
  w_nop8
#endif
#if (w2_nops&16)
  w_nop16
#endif
    "       out   %2,%4 \n\t"    //  '1' [+1] '0' [+1] - fe-high
#if (w3_nops&1)
w_nop1
#endif
#if (w3_nops&2)
w_nop2
#endif
#if (w3_nops&4)
w_nop4
#endif
#if (w3_nops&8)
w_nop8
#endif
#if (w3_nops&16)
w_nop16
#endif

    "       dec   %0    \n\t"    //  '1' [+2] '0' [+2]
    "       brne  loop%=\n\t"    //  '1' [+3] '0' [+4]
    :	"=&d" (ctr)
    :	"r" (curbyte), "I" (_SFR_IO_ADDR(ws2812_PORTREG)), "r" (maskhi), "r" (masklo)
    );
  }

  SREG=sreg_prev;
}

A keyboard/planck/light_ws2812.h => keyboard/planck/light_ws2812.h +73 -0
@@ 0,0 1,73 @@
/*
 * light weight WS2812 lib include
 *
 * Version 2.3  - Nev 29th 2015
 * Author: Tim (cpldcpu@gmail.com)
 *
 * Please do not change this file! All configuration is handled in "ws2812_config.h"
 *
 * License: GNU GPL v2 (see License.txt)
 +
 */

#ifndef LIGHT_WS2812_H_
#define LIGHT_WS2812_H_

#include <avr/io.h>
#include <avr/interrupt.h>
//#include "ws2812_config.h"

/*
 *  Structure of the LED array
 *
 * cRGB:     RGB  for WS2812S/B/C/D, SK6812, SK6812Mini, SK6812WWA, APA104, APA106
 * cRGBW:    RGBW for SK6812RGBW
 */

struct cRGB  { uint8_t g; uint8_t r; uint8_t b; };
struct cRGBW { uint8_t g; uint8_t r; uint8_t b; uint8_t w;};



/* User Interface
 *
 * Input:
 *         ledarray:           An array of GRB data describing the LED colors
 *         number_of_leds:     The number of LEDs to write
 *         pinmask (optional): Bitmask describing the output bin. e.g. _BV(PB0)
 *
 * The functions will perform the following actions:
 *         - Set the data-out pin as output
 *         - Send out the LED data
 *         - Wait 50�s to reset the LEDs
 */

void ws2812_setleds     (struct cRGB  *ledarray, uint16_t number_of_leds);
void ws2812_setleds_pin (struct cRGB  *ledarray, uint16_t number_of_leds,uint8_t pinmask);
void ws2812_setleds_rgbw(struct cRGBW *ledarray, uint16_t number_of_leds);

/*
 * Old interface / Internal functions
 *
 * The functions take a byte-array and send to the data output as WS2812 bitstream.
 * The length is the number of bytes to send - three per LED.
 */

void ws2812_sendarray     (uint8_t *array,uint16_t length);
void ws2812_sendarray_mask(uint8_t *array,uint16_t length, uint8_t pinmask);


/*
 * Internal defines
 */
#ifndef CONCAT
#define CONCAT(a, b)            a ## b
#endif
#ifndef CONCAT_EXP
#define CONCAT_EXP(a, b)   CONCAT(a, b)
#endif

// #define ws2812_PORTREG  CONCAT_EXP(PORT,ws2812_port)
// #define ws2812_DDRREG   CONCAT_EXP(DDR,ws2812_port)

#endif /* LIGHT_WS2812_H_ */

M keyboard/planck/planck.c => keyboard/planck/planck.c +6 -1
@@ 15,6 15,11 @@ void * matrix_init_kb(void) {
    	backlight_init_ports();
	#endif

	#ifdef RGBLIGHT_ENABLE
		rgblight_init();
	#endif


    // Turn status LED on
    DDRE |= (1<<6);
    PORTE |= (1<<6);


@@ 28,4 33,4 @@ void * matrix_scan_kb(void) {
	if (matrix_scan_user) {
		(*matrix_scan_user)();
	}
};
\ No newline at end of file
};

M keyboard/planck/planck.h => keyboard/planck/planck.h +6 -3
@@ 6,6 6,9 @@
#ifdef BACKLIGHT_ENABLE
	#include "backlight.h"
#endif
#ifdef RGBLIGHT_ENABLE
  #include "rgblight.h"
#endif
#include <stddef.h>
#ifdef MIDI_ENABLE
	#include <keymap_midi.h>


@@ 22,7 25,7 @@
	{ k10, k11, k12, k13, k14, k15, k16, k17, k18, k19, k1a, k1b }, \
	{ k20, k21, k22, k23, k24, k25, k26, k27, k28, k29, k2a, k2b }, \
	{ k30, k31, k32, k33, k34, k35, k35, k37, k38, k39, k3a, k3b } \
} 
}

#define PLANCK_GRID( \
	k00, k01, k02, k03, k04, k05, k06, k07, k08, k09, k0a, k0b, \


@@ 35,9 38,9 @@
	{ k10, k11, k12, k13, k14, k15, k16, k17, k18, k19, k1a, k1b }, \
	{ k20, k21, k22, k23, k24, k25, k26, k27, k28, k29, k2a, k2b }, \
	{ k30, k31, k32, k33, k34, k35, k36, k37, k38, k39, k3a, k3b } \
} 
}

void * matrix_init_user(void);
void * matrix_scan_user(void);

#endif
\ No newline at end of file
#endif

A keyboard/planck/rgblight.c => keyboard/planck/rgblight.c +505 -0
@@ 0,0 1,505 @@
#include <avr/eeprom.h>
#include <avr/interrupt.h>
#include <util/delay.h>
#include "progmem.h"
#include "timer.h"
#include "rgblight.h"
#include "debug.h"

const uint8_t DIM_CURVE[] PROGMEM = {
	0, 1, 1, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3,
	3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4,
	4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 6, 6, 6,
	6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8,
	8, 8, 9, 9, 9, 9, 9, 9, 10, 10, 10, 10, 10, 11, 11, 11,
	11, 11, 12, 12, 12, 12, 12, 13, 13, 13, 13, 14, 14, 14, 14, 15,
	15, 15, 16, 16, 16, 16, 17, 17, 17, 18, 18, 18, 19, 19, 19, 20,
	20, 20, 21, 21, 22, 22, 22, 23, 23, 24, 24, 25, 25, 25, 26, 26,
	27, 27, 28, 28, 29, 29, 30, 30, 31, 32, 32, 33, 33, 34, 35, 35,
	36, 36, 37, 38, 38, 39, 40, 40, 41, 42, 43, 43, 44, 45, 46, 47,
	48, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62,
	63, 64, 65, 66, 68, 69, 70, 71, 73, 74, 75, 76, 78, 79, 81, 82,
	83, 85, 86, 88, 90, 91, 93, 94, 96, 98, 99, 101, 103, 105, 107, 109,
	110, 112, 114, 116, 118, 121, 123, 125, 127, 129, 132, 134, 136, 139, 141, 144,
	146, 149, 151, 154, 157, 159, 162, 165, 168, 171, 174, 177, 180, 183, 186, 190,
	193, 196, 200, 203, 207, 211, 214, 218, 222, 226, 230, 234, 238, 242, 248, 255,
};
const uint8_t RGBLED_BREATHING_TABLE[] PROGMEM = {0,0,0,0,1,1,1,2,2,3,4,5,5,6,7,9,10,11,12,14,15,17,18,20,21,23,25,27,29,31,33,35,37,40,42,44,47,49,52,54,57,59,62,65,67,70,73,76,79,82,85,88,90,93,97,100,103,106,109,112,115,118,121,124,127,131,134,137,140,143,146,149,152,155,158,162,165,167,170,173,176,179,182,185,188,190,193,196,198,201,203,206,208,211,213,215,218,220,222,224,226,228,230,232,234,235,237,238,240,241,243,244,245,246,248,249,250,250,251,252,253,253,254,254,254,255,255,255,255,255,255,255,254,254,254,253,253,252,251,250,250,249,248,246,245,244,243,241,240,238,237,235,234,232,230,228,226,224,222,220,218,215,213,211,208,206,203,201,198,196,193,190,188,185,182,179,176,173,170,167,165,162,158,155,152,149,146,143,140,137,134,131,128,124,121,118,115,112,109,106,103,100,97,93,90,88,85,82,79,76,73,70,67,65,62,59,57,54,52,49,47,44,42,40,37,35,33,31,29,27,25,23,21,20,18,17,15,14,12,11,10,9,7,6,5,5,4,3,2,2,1,1,1,0,0,0};
const uint8_t RGBLED_BREATHING_INTERVALS[] PROGMEM = {30, 20, 10, 5};
const uint8_t RGBLED_RAINBOW_MOOD_INTERVALS[] PROGMEM = {120, 60, 30};
const uint8_t RGBLED_RAINBOW_SWIRL_INTERVALS[] PROGMEM = {100, 50, 20};
const uint8_t RGBLED_SNAKE_INTERVALS[] PROGMEM = {100, 50, 20};
const uint8_t RGBLED_KNIGHT_INTERVALS[] PROGMEM = {100, 50, 20};

rgblight_config_t rgblight_config;
rgblight_config_t inmem_config;
struct cRGB led[RGBLED_NUM];
uint8_t rgblight_inited = 0;


void sethsv(uint16_t hue, uint8_t sat, uint8_t val, struct cRGB *led1) {
	/* convert hue, saturation and brightness ( HSB/HSV ) to RGB
	The DIM_CURVE is used only on brightness/value and on saturation (inverted).
	This looks the most natural.
	*/
  uint8_t r, g, b;

  val = pgm_read_byte(&DIM_CURVE[val]);
	sat = 255 - pgm_read_byte(&DIM_CURVE[255 - sat]);

	uint8_t base;

	if (sat == 0) { // Acromatic color (gray). Hue doesn't mind.
		r = val;
		g = val;
		b = val;
	} else  {
		base = ((255 - sat) * val) >> 8;

		switch (hue / 60) {
		case 0:
			r = val;
			g = (((val - base)*hue) / 60) + base;
			b = base;
			break;

		case 1:
			r = (((val - base)*(60 - (hue % 60))) / 60) + base;
			g = val;
			b = base;
			break;

		case 2:
			r = base;
			g = val;
			b = (((val - base)*(hue % 60)) / 60) + base;
			break;

		case 3:
			r = base;
			g = (((val - base)*(60 - (hue % 60))) / 60) + base;
			b = val;
			break;

		case 4:
			r = (((val - base)*(hue % 60)) / 60) + base;
			g = base;
			b = val;
			break;

		case 5:
			r = val;
			g = base;
			b = (((val - base)*(60 - (hue % 60))) / 60) + base;
			break;
		}
	}
  setrgb(r,g,b, led1);
}

void setrgb(uint8_t r, uint8_t g, uint8_t b, struct cRGB *led1) {
  (*led1).r = r;
  (*led1).g = g;
  (*led1).b = b;
}


uint32_t eeconfig_read_rgblight(void) {
  return eeprom_read_dword(EECONFIG_RGBLIGHT);
}
void eeconfig_write_rgblight(uint32_t val) {
  eeprom_write_dword(EECONFIG_RGBLIGHT, val);
}
void eeconfig_write_rgblight_default(void) {
	dprintf("eeconfig_write_rgblight_default\n");
	rgblight_config.enable = 1;
	rgblight_config.mode = 1;
	rgblight_config.hue = 200;
	rgblight_config.sat = 204;
	rgblight_config.val = 204;
	eeconfig_write_rgblight(rgblight_config.raw);
}
void eeconfig_debug_rgblight(void) {
	dprintf("rgblight_config eprom\n");
	dprintf("rgblight_config.enable = %d\n", rgblight_config.enable);
	dprintf("rghlight_config.mode = %d\n", rgblight_config.mode);
	dprintf("rgblight_config.hue = %d\n", rgblight_config.hue);
	dprintf("rgblight_config.sat = %d\n", rgblight_config.sat);
	dprintf("rgblight_config.val = %d\n", rgblight_config.val);
}

void rgblight_init(void) {
  debug_enable = 1; // Debug ON!
	dprintf("rgblight_init called.\n");
  rgblight_inited = 1;
	dprintf("rgblight_init start!\n");
  if (!eeconfig_is_enabled()) {
		dprintf("rgblight_init eeconfig is not enabled.\n");
    eeconfig_init();
		eeconfig_write_rgblight_default();
  }
  rgblight_config.raw = eeconfig_read_rgblight();
	if (!rgblight_config.mode) {
		dprintf("rgblight_init rgblight_config.mode = 0. Write default values to EEPROM.\n");
		eeconfig_write_rgblight_default();
		rgblight_config.raw = eeconfig_read_rgblight();
	}
	eeconfig_debug_rgblight(); // display current eeprom values

	rgblight_timer_init(); // setup the timer

  if (rgblight_config.enable) {
    rgblight_mode(rgblight_config.mode);
  }
}

void rgblight_increase(void) {
	uint8_t mode;
  if (rgblight_config.mode < RGBLIGHT_MODES) {
    mode = rgblight_config.mode + 1;
  }
	rgblight_mode(mode);
}

void rgblight_decrease(void) {
	uint8_t mode;
  if (rgblight_config.mode > 1) { //mode will never < 1, if mode is less than 1, eeprom need to be initialized.
    mode = rgblight_config.mode-1;
  }
	rgblight_mode(mode);
}

void rgblight_step(void) {
	uint8_t mode;
  mode = rgblight_config.mode + 1;
  if (mode > RGBLIGHT_MODES) {
    mode = 1;
  }
	rgblight_mode(mode);
}

void rgblight_mode(uint8_t mode) {
	if (!rgblight_config.enable) {
		return;
	}
  if (mode<1) {
		rgblight_config.mode = 1;
	} else if (mode > RGBLIGHT_MODES) {
		rgblight_config.mode = RGBLIGHT_MODES;
	} else {
		rgblight_config.mode = mode;
	}
  eeconfig_write_rgblight(rgblight_config.raw);
  dprintf("rgblight mode: %u\n", rgblight_config.mode);
	if (rgblight_config.mode == 1) {
		rgblight_timer_disable();
	} else if (rgblight_config.mode >=2 && rgblight_config.mode <=23) {
		// MODE 2-5, breathing
		// MODE 6-8, rainbow mood
		// MODE 9-14, rainbow swirl
		// MODE 15-20, snake
		// MODE 21-23, knight
		rgblight_timer_enable();
	}
  rgblight_sethsv(rgblight_config.hue, rgblight_config.sat, rgblight_config.val);
}

void rgblight_toggle(void) {
  rgblight_config.enable ^= 1;
  eeconfig_write_rgblight(rgblight_config.raw);
  dprintf("rgblight toggle: rgblight_config.enable = %u\n", rgblight_config.enable);
	if (rgblight_config.enable) {
		rgblight_mode(rgblight_config.mode);
	} else {
		rgblight_timer_disable();
		_delay_ms(50);
		rgblight_set();
	}
}


void rgblight_increase_hue(void){
	uint16_t hue;
  hue = (rgblight_config.hue+RGBLIGHT_HUE_STEP) % 360;
  rgblight_sethsv(hue, rgblight_config.sat, rgblight_config.val);
}
void rgblight_decrease_hue(void){
	uint16_t hue;
	if (rgblight_config.hue-RGBLIGHT_HUE_STEP <0 ) {
		hue = (rgblight_config.hue+360-RGBLIGHT_HUE_STEP) % 360;
	} else {
		hue = (rgblight_config.hue-RGBLIGHT_HUE_STEP) % 360;
	}
  rgblight_sethsv(hue, rgblight_config.sat, rgblight_config.val);
}
void rgblight_increase_sat(void) {
	uint8_t sat;
  if (rgblight_config.sat + RGBLIGHT_SAT_STEP > 255) {
    sat = 255;
  } else {
    sat = rgblight_config.sat+RGBLIGHT_SAT_STEP;
  }
  rgblight_sethsv(rgblight_config.hue, sat, rgblight_config.val);
}
void rgblight_decrease_sat(void){
	uint8_t sat;
  if (rgblight_config.sat - RGBLIGHT_SAT_STEP < 0) {
    sat = 0;
  } else {
    sat = rgblight_config.sat-RGBLIGHT_SAT_STEP;
  }
  rgblight_sethsv(rgblight_config.hue, sat, rgblight_config.val);
}
void rgblight_increase_val(void){
	uint8_t val;
  if (rgblight_config.val + RGBLIGHT_VAL_STEP > 255) {
    val = 255;
  } else {
    val = rgblight_config.val+RGBLIGHT_VAL_STEP;
  }
  rgblight_sethsv(rgblight_config.hue, rgblight_config.sat, val);
}
void rgblight_decrease_val(void) {
	uint8_t val;
  if (rgblight_config.val - RGBLIGHT_VAL_STEP < 0) {
    val = 0;
  } else {
    val = rgblight_config.val-RGBLIGHT_VAL_STEP;
  }
  rgblight_sethsv(rgblight_config.hue, rgblight_config.sat, val);
}

void rgblight_sethsv_noeeprom(uint16_t hue, uint8_t sat, uint8_t val){
	inmem_config.raw = rgblight_config.raw;
  if (rgblight_config.enable) {
    struct cRGB tmp_led;
    sethsv(hue, sat, val, &tmp_led);
		inmem_config.hue = hue;
		inmem_config.sat = sat;
		inmem_config.val = val;
    // dprintf("rgblight set hue [MEMORY]: %u,%u,%u\n", inmem_config.hue, inmem_config.sat, inmem_config.val);
    rgblight_setrgb(tmp_led.r, tmp_led.g, tmp_led.b);
  }
}
void rgblight_sethsv(uint16_t hue, uint8_t sat, uint8_t val){
  if (rgblight_config.enable) {
		if (rgblight_config.mode == 1) {
			// same static color
			rgblight_sethsv_noeeprom(hue, sat, val);
		} else {
			// all LEDs in same color
			if (rgblight_config.mode >= 2 && rgblight_config.mode <= 5) {
				// breathing mode, ignore the change of val, use in memory value instead
				val = rgblight_config.val;
			} else if (rgblight_config.mode >= 6 && rgblight_config.mode <= 14) {
				// rainbow mood and rainbow swirl, ignore the change of hue
				hue = rgblight_config.hue;
			}
		}
		rgblight_config.hue = hue;
		rgblight_config.sat = sat;
		rgblight_config.val = val;
		eeconfig_write_rgblight(rgblight_config.raw);
		dprintf("rgblight set hsv [EEPROM]: %u,%u,%u\n", rgblight_config.hue, rgblight_config.sat, rgblight_config.val);
  }
}

void rgblight_setrgb(uint8_t r, uint8_t g, uint8_t b){
  // dprintf("rgblight set rgb: %u,%u,%u\n", r,g,b);
  for (uint8_t i=0;i<RGBLED_NUM;i++) {
    led[i].r = r;
    led[i].g = g;
    led[i].b = b;
  }
  rgblight_set();

}

void rgblight_set(void) {
	if (rgblight_config.enable) {
		ws2812_setleds(led, RGBLED_NUM);
	} else {
		for (uint8_t i=0;i<RGBLED_NUM;i++) {
	    led[i].r = 0;
	    led[i].g = 0;
	    led[i].b = 0;
	  }
		ws2812_setleds(led, RGBLED_NUM);
	}
}

// Animation timer -- AVR Timer3
void rgblight_timer_init(void) {
	static uint8_t rgblight_timer_is_init = 0;
	if (rgblight_timer_is_init) {
		return;
	}
	rgblight_timer_is_init = 1;
	/* Timer 3 setup */
	TCCR3B = _BV(WGM32) //CTC mode OCR3A as TOP
	      | _BV(CS30); //Clock selelct: clk/1
	/* Set TOP value */
	uint8_t sreg = SREG;
	cli();
	OCR3AH = (RGBLED_TIMER_TOP>>8)&0xff;
	OCR3AL = RGBLED_TIMER_TOP&0xff;
	SREG = sreg;
}
void rgblight_timer_enable(void) {
	TIMSK3 |= _BV(OCIE3A);
	dprintf("TIMER3 enabled.\n");
}
void rgblight_timer_disable(void) {
	TIMSK3 &= ~_BV(OCIE3A);
	dprintf("TIMER3 disabled.\n");
}
void rgblight_timer_toggle(void) {
	TIMSK3 ^= _BV(OCIE3A);
	dprintf("TIMER3 toggled.\n");
}

ISR(TIMER3_COMPA_vect) {
	// Mode = 1, static light, do nothing here
	if (rgblight_config.mode>=2 && rgblight_config.mode<=5) {
		// mode = 2 to 5, breathing mode
		rgblight_effect_breathing(rgblight_config.mode-2);

	} else if (rgblight_config.mode>=6 && rgblight_config.mode<=8) {
		rgblight_effect_rainbow_mood(rgblight_config.mode-6);
	} else if (rgblight_config.mode>=9 && rgblight_config.mode<=14) {
		rgblight_effect_rainbow_swirl(rgblight_config.mode-9);
	} else if (rgblight_config.mode>=15 && rgblight_config.mode<=20) {
		rgblight_effect_snake(rgblight_config.mode-15);
	} else if (rgblight_config.mode>=21 && rgblight_config.mode<=23) {
		rgblight_effect_knight(rgblight_config.mode-21);
	}
}

// effects
void rgblight_effect_breathing(uint8_t interval) {
	static uint8_t pos = 0;
	static uint16_t last_timer = 0;

	if (timer_elapsed(last_timer)<pgm_read_byte(&RGBLED_BREATHING_INTERVALS[interval])) return;
	last_timer = timer_read();

	rgblight_sethsv_noeeprom(rgblight_config.hue, rgblight_config.sat, pgm_read_byte(&RGBLED_BREATHING_TABLE[pos]));
	pos = (pos+1) % 256;
}

void rgblight_effect_rainbow_mood(uint8_t interval) {
	static uint16_t current_hue=0;
	static uint16_t last_timer = 0;

	if (timer_elapsed(last_timer)<pgm_read_byte(&RGBLED_RAINBOW_MOOD_INTERVALS[interval])) return;
	last_timer = timer_read();
	rgblight_sethsv_noeeprom(current_hue, rgblight_config.sat, rgblight_config.val);
	current_hue = (current_hue+1) % 360;
}

void rgblight_effect_rainbow_swirl(uint8_t interval) {
	static uint16_t current_hue=0;
	static uint16_t last_timer = 0;
	uint16_t hue;
	uint8_t i;
	if (timer_elapsed(last_timer)<pgm_read_byte(&RGBLED_RAINBOW_MOOD_INTERVALS[interval/2])) return;
	last_timer = timer_read();
	for (i=0; i<RGBLED_NUM; i++) {
		hue = (360/RGBLED_NUM*i+current_hue)%360;
		sethsv(hue, rgblight_config.sat, rgblight_config.val, &led[i]);
	}
	rgblight_set();

	if (interval % 2) {
		current_hue = (current_hue+1) % 360;
	} else {
		if (current_hue -1 < 0) {
			current_hue = 359;
		} else {
			current_hue = current_hue - 1;
		}

	}
}
void rgblight_effect_snake(uint8_t interval) {
	static uint8_t pos=0;
	static uint16_t last_timer = 0;
	uint8_t i,j;
	int8_t k;
	int8_t increament = 1;
	if (interval%2) increament = -1;
	if (timer_elapsed(last_timer)<pgm_read_byte(&RGBLED_SNAKE_INTERVALS[interval/2])) return;
	last_timer = timer_read();
	for (i=0;i<RGBLED_NUM;i++) {
		led[i].r=0;
		led[i].g=0;
		led[i].b=0;
		for (j=0;j<RGBLIGHT_EFFECT_SNAKE_LENGTH;j++) {
			k = pos+j*increament;
			if (k<0) k = k+RGBLED_NUM;
			if (i==k) {
				sethsv(rgblight_config.hue, rgblight_config.sat, (uint8_t)(rgblight_config.val*(RGBLIGHT_EFFECT_SNAKE_LENGTH-j)/RGBLIGHT_EFFECT_SNAKE_LENGTH), &led[i]);
			}
		}
	}
	rgblight_set();
	if (increament == 1) {
		if (pos - 1 < 0) {
			pos = 13;
		} else {
			pos -= 1;
		}
	} else {
		pos = (pos+1)%RGBLED_NUM;
	}

}

void rgblight_effect_knight(uint8_t interval) {
	static int8_t pos=0;
	static uint16_t last_timer = 0;
	uint8_t i,j,cur;
	int8_t k;
	struct cRGB preled[RGBLED_NUM];
	static int8_t increament = -1;
	if (timer_elapsed(last_timer)<pgm_read_byte(&RGBLED_KNIGHT_INTERVALS[interval])) return;
	last_timer = timer_read();
	for (i=0;i<RGBLED_NUM;i++) {
		preled[i].r=0;
		preled[i].g=0;
		preled[i].b=0;
		for (j=0;j<RGBLIGHT_EFFECT_KNIGHT_LENGTH;j++) {
			k = pos+j*increament;
			if (k<0) k = 0;
			if (k>=RGBLED_NUM) k=RGBLED_NUM-1;
			if (i==k) {
				sethsv(rgblight_config.hue, rgblight_config.sat, rgblight_config.val, &preled[i]);
			}
		}
	}
	if (RGBLIGHT_EFFECT_KNIGHT_OFFSET) {
		for (i=0;i<RGBLED_NUM;i++) {
			cur = (i+RGBLIGHT_EFFECT_KNIGHT_OFFSET) % RGBLED_NUM;
			led[i].r = preled[cur].r;
			led[i].g = preled[cur].g;
			led[i].b = preled[cur].b;
		}
	}
	rgblight_set();
	if (increament == 1) {
		if (pos - 1 < 0 - RGBLIGHT_EFFECT_KNIGHT_LENGTH) {
			pos = 0- RGBLIGHT_EFFECT_KNIGHT_LENGTH;
			increament = -1;
		} else {
			pos -= 1;
		}
	} else {
		if (pos+1>RGBLED_NUM+RGBLIGHT_EFFECT_KNIGHT_LENGTH) {
			pos = RGBLED_NUM+RGBLIGHT_EFFECT_KNIGHT_LENGTH-1;
			increament = 1;
		} else {
			pos += 1;
		}
	}

}

A keyboard/planck/rgblight.h => keyboard/planck/rgblight.h +87 -0
@@ 0,0 1,87 @@
#ifndef RGBLIGHT_H
#define RGBLIGHT_H

#ifndef RGBLIGHT_MODES
#define RGBLIGHT_MODES 23
#endif

#ifndef RGBLIGHT_EFFECT_SNAKE_LENGTH
#define RGBLIGHT_EFFECT_SNAKE_LENGTH 7
#endif

#ifndef RGBLIGHT_EFFECT_KNIGHT_LENGTH
#define RGBLIGHT_EFFECT_KNIGHT_LENGTH 7
#endif
#ifndef RGBLIGHT_EFFECT_KNIGHT_OFFSET
#define RGBLIGHT_EFFECT_KNIGHT_OFFSET 11
#endif

#ifndef RGBLIGHT_EFFECT_DUALKNIGHT_LENGTH
#define RGBLIGHT_EFFECT_DUALKNIGHT_LENGTH 4
#endif

#ifndef RGBLIGHT_HUE_STEP
#define RGBLIGHT_HUE_STEP 10
#endif
#ifndef RGBLIGHT_SAT_STEP
#define RGBLIGHT_SAT_STEP 17
#endif
#ifndef RGBLIGHT_VAL_STEP
#define RGBLIGHT_VAL_STEP 17
#endif

#define RGBLED_TIMER_TOP F_CPU/(256*64)

#include <stdint.h>
#include <stdbool.h>
#include "eeconfig.h"
#include "light_ws2812.h"

typedef union {
  uint32_t raw;
  struct {
    bool     enable  :1;
    uint8_t  mode    :6;
    uint16_t hue     :9;
    uint8_t  sat     :8;
    uint8_t  val     :8;
  };
} rgblight_config_t;

void rgblight_init(void);
void rgblight_increase(void);
void rgblight_decrease(void);
void rgblight_toggle(void);
void rgblight_step(void);
void rgblight_mode(uint8_t mode);
void rgblight_set(void);
void rgblight_increase_hue(void);
void rgblight_decrease_hue(void);
void rgblight_increase_sat(void);
void rgblight_decrease_sat(void);
void rgblight_increase_val(void);
void rgblight_decrease_val(void);
void rgblight_sethsv(uint16_t hue, uint8_t sat, uint8_t val);
void rgblight_setrgb(uint8_t r, uint8_t g, uint8_t b);

#define EECONFIG_RGBLIGHT (uint8_t *)7
uint32_t eeconfig_read_rgblight(void);
void eeconfig_write_rgblight(uint32_t val);
void eeconfig_write_rgblight_default(void);
void eeconfig_debug_rgblight(void);

void sethsv(uint16_t hue, uint8_t sat, uint8_t val, struct cRGB *led1);
void setrgb(uint8_t r, uint8_t g, uint8_t b, struct cRGB *led1);
void rgblight_sethsv_noeeprom(uint16_t hue, uint8_t sat, uint8_t val);

void rgblight_timer_init(void);
void rgblight_timer_enable(void);
void rgblight_timer_disable(void);
void rgblight_timer_toggle(void);
void rgblight_effect_breathing(uint8_t interval);
void rgblight_effect_rainbow_mood(uint8_t interval);
void rgblight_effect_rainbow_swirl(uint8_t interval);
void rgblight_effect_snake(uint8_t interval);
void rgblight_effect_knight(uint8_t interval);

#endif