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Merge pull request #40 from zsa/feature/rgblight_static_breathing_table

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Use a fixed table if breathing center is not defined for RGB Light
pull/5990/head
Florian Didron 7 years ago committed by GitHub
parent 46ea7dfd51 4550e29f95
commit 8e9ac7d142
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GPG Key ID: 4AEE18F83AFDEB23
5 changed files with 184 additions and 3 deletions
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12
quantum/rgblight.c
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@ -879,6 +879,14 @@ void rgblight_task(void) {
// Effects
#ifdef RGBLIGHT_EFFECT_BREATHING
#ifndef RGBLIGHT_EFFECT_BREATHE_CENTER
#ifndef RGBLIGHT_BREATHE_TABLE_SIZE
#define RGBLIGHT_BREATHE_TABLE_SIZE 256 // 256 or 128 or 64
#endif
#include <rgblight_breathe_table.h>
#endif
__attribute__ ((weak))
const uint8_t RGBLED_BREATHING_INTERVALS[] PROGMEM = {30, 20, 10, 5};
@ -886,7 +894,11 @@ void rgblight_effect_breathing(animation_status_t *anim) {
float val;
// http://sean.voisen.org/blog/2011/10/breathing-led-with-arduino/
#ifdef RGBLIGHT_EFFECT_BREATHE_TABLE
val = pgm_read_byte(&rgblight_effect_breathe_table[anim->pos / table_scale]);
#else
val = (exp(sin((anim->pos/255.0)*M_PI)) - RGBLIGHT_EFFECT_BREATHE_CENTER/M_E)*(RGBLIGHT_EFFECT_BREATHE_MAX/(M_E-1/M_E));
#endif
rgblight_sethsv_noeeprom_old(rgblight_config.hue, rgblight_config.sat, val);
anim->pos = (anim->pos + 1);
}

4
quantum/rgblight.h
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@ -80,9 +80,7 @@ enum RGBLIGHT_EFFECT_MODE {
#define RGBLIGHT_MODES (RGBLIGHT_MODE_last-1)
#ifndef RGBLIGHT_EFFECT_BREATHE_CENTER
#define RGBLIGHT_EFFECT_BREATHE_CENTER 1.85 // 1-2.7
#endif
// sample: #define RGBLIGHT_EFFECT_BREATHE_CENTER 1.85
#ifndef RGBLIGHT_EFFECT_BREATHE_MAX
#define RGBLIGHT_EFFECT_BREATHE_MAX 255 // 0-255

116
quantum/rgblight_breathe_table.h
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@ -0,0 +1,116 @@
#ifndef RGBLIGHT_EFFECT_BREATHE_TABLE
#define RGBLIGHT_EFFECT_BREATHE_TABLE
const uint8_t rgblight_effect_breathe_table[] PROGMEM = {
/* #define RGBLIGHT_EFFECT_BREATHE_CENTER 1.85 */
/* #define RGBLIGHT_EFFECT_BREATHE_MAX 255 */
#if RGBLIGHT_BREATHE_TABLE_SIZE == 256
0x22, 0x23, 0x25, 0x26, 0x28, 0x29, 0x2a, 0x2c,
0x2d, 0x2f, 0x30, 0x32, 0x33, 0x35, 0x36, 0x38,
0x3a, 0x3b, 0x3d, 0x3e, 0x40, 0x42, 0x43, 0x45,
0x47, 0x49, 0x4a, 0x4c, 0x4e, 0x50, 0x51, 0x53,
0x55, 0x57, 0x59, 0x5a, 0x5c, 0x5e, 0x60, 0x62,
0x64, 0x66, 0x68, 0x69, 0x6b, 0x6d, 0x6f, 0x71,
0x73, 0x75, 0x77, 0x79, 0x7b, 0x7d, 0x7f, 0x81,
0x83, 0x85, 0x87, 0x89, 0x8a, 0x8c, 0x8e, 0x90,
0x92, 0x94, 0x96, 0x98, 0x9a, 0x9c, 0x9e, 0x9f,
0xa1, 0xa3, 0xa5, 0xa7, 0xa8, 0xaa, 0xac, 0xae,
0xaf, 0xb1, 0xb3, 0xb4, 0xb6, 0xb8, 0xb9, 0xbb,
0xbc, 0xbe, 0xbf, 0xc1, 0xc2, 0xc3, 0xc5, 0xc6,
0xc7, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xd0,
0xd1, 0xd2, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7,
0xd7, 0xd8, 0xd9, 0xd9, 0xda, 0xda, 0xdb, 0xdb,
0xdb, 0xdc, 0xdc, 0xdc, 0xdc, 0xdc, 0xdd, 0xdd,
0xdd, 0xdd, 0xdc, 0xdc, 0xdc, 0xdc, 0xdc, 0xdb,
0xdb, 0xdb, 0xda, 0xda, 0xd9, 0xd9, 0xd8, 0xd7,
0xd7, 0xd6, 0xd5, 0xd4, 0xd3, 0xd2, 0xd2, 0xd1,
0xd0, 0xce, 0xcd, 0xcc, 0xcb, 0xca, 0xc9, 0xc7,
0xc6, 0xc5, 0xc3, 0xc2, 0xc1, 0xbf, 0xbe, 0xbc,
0xbb, 0xb9, 0xb8, 0xb6, 0xb4, 0xb3, 0xb1, 0xaf,
0xae, 0xac, 0xaa, 0xa8, 0xa7, 0xa5, 0xa3, 0xa1,
0x9f, 0x9e, 0x9c, 0x9a, 0x98, 0x96, 0x94, 0x92,
0x90, 0x8e, 0x8c, 0x8a, 0x89, 0x87, 0x85, 0x83,
0x81, 0x7f, 0x7d, 0x7b, 0x79, 0x77, 0x75, 0x73,
0x71, 0x6f, 0x6d, 0x6b, 0x69, 0x68, 0x66, 0x64,
0x62, 0x60, 0x5e, 0x5c, 0x5a, 0x59, 0x57, 0x55,
0x53, 0x51, 0x50, 0x4e, 0x4c, 0x4a, 0x49, 0x47,
0x45, 0x43, 0x42, 0x40, 0x3e, 0x3d, 0x3b, 0x3a,
0x38, 0x36, 0x35, 0x33, 0x32, 0x30, 0x2f, 0x2d,
0x2c, 0x2a, 0x29, 0x28, 0x26, 0x25, 0x23, 0x22
#endif /* 256 bytes table */
#if RGBLIGHT_BREATHE_TABLE_SIZE == 128
0x22, 0x25, 0x28, 0x2a,
0x2d, 0x30, 0x33, 0x36,
0x3a, 0x3d, 0x40, 0x43,
0x47, 0x4a, 0x4e, 0x51,
0x55, 0x59, 0x5c, 0x60,
0x64, 0x68, 0x6b, 0x6f,
0x73, 0x77, 0x7b, 0x7f,
0x83, 0x87, 0x8a, 0x8e,
0x92, 0x96, 0x9a, 0x9e,
0xa1, 0xa5, 0xa8, 0xac,
0xaf, 0xb3, 0xb6, 0xb9,
0xbc, 0xbf, 0xc2, 0xc5,
0xc7, 0xca, 0xcc, 0xce,
0xd1, 0xd2, 0xd4, 0xd6,
0xd7, 0xd9, 0xda, 0xdb,
0xdb, 0xdc, 0xdc, 0xdd,
0xdd, 0xdc, 0xdc, 0xdc,
0xdb, 0xda, 0xd9, 0xd8,
0xd7, 0xd5, 0xd3, 0xd2,
0xd0, 0xcd, 0xcb, 0xc9,
0xc6, 0xc3, 0xc1, 0xbe,
0xbb, 0xb8, 0xb4, 0xb1,
0xae, 0xaa, 0xa7, 0xa3,
0x9f, 0x9c, 0x98, 0x94,
0x90, 0x8c, 0x89, 0x85,
0x81, 0x7d, 0x79, 0x75,
0x71, 0x6d, 0x69, 0x66,
0x62, 0x5e, 0x5a, 0x57,
0x53, 0x50, 0x4c, 0x49,
0x45, 0x42, 0x3e, 0x3b,
0x38, 0x35, 0x32, 0x2f,
0x2c, 0x29, 0x26, 0x23
#endif /* 128 bytes table */
#if RGBLIGHT_BREATHE_TABLE_SIZE == 64
0x22, 0x28,
0x2d, 0x33,
0x3a, 0x40,
0x47, 0x4e,
0x55, 0x5c,
0x64, 0x6b,
0x73, 0x7b,
0x83, 0x8a,
0x92, 0x9a,
0xa1, 0xa8,
0xaf, 0xb6,
0xbc, 0xc2,
0xc7, 0xcc,
0xd1, 0xd4,
0xd7, 0xda,
0xdb, 0xdc,
0xdd, 0xdc,
0xdb, 0xd9,
0xd7, 0xd3,
0xd0, 0xcb,
0xc6, 0xc1,
0xbb, 0xb4,
0xae, 0xa7,
0x9f, 0x98,
0x90, 0x89,
0x81, 0x79,
0x71, 0x69,
0x62, 0x5a,
0x53, 0x4c,
0x45, 0x3e,
0x38, 0x32,
0x2c, 0x26
#endif /* 64 bytes table */
};
static const int table_scale = 256/sizeof(rgblight_effect_breathe_table);
#endif /* RGBLIGHT_EFFECT_BREATHE_TABLE */

6
quantum/template/avr/config.h
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@ -77,6 +77,12 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
// #define RGBLIGHT_EFFECT_STATIC_GRADIENT
// #define RGBLIGHT_EFFECT_RGB_TEST
// #define RGBLIGHT_EFFECT_ALTERNATING
// /*== customize breathing effect ==*/
// /*==== (DEFAULT) use fixed table instead of exp() and sin() ====*/
// #define RGBLIGHT_BREATHE_TABLE_SIZE 256 // 256(default) or 128 or 64
// /*==== use exp() and sin() ====*/
// #define RGBLIGHT_EFFECT_BREATHE_CENTER 1.85 // 1 to 2.7
// #define RGBLIGHT_EFFECT_BREATHE_MAX 255 // 0 to 255
// #endif
/* Debounce reduces chatter (unintended double-presses) - set 0 if debouncing is not needed */

49
util/rgblight_breathing_table_calc.c
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@ -0,0 +1,49 @@
//
// calculate rgblight_effect_breathe_table[] values
//
// this is host program for quantum/rgblight.c:void rgblight_effect_breathing();
//
// example:
// $ edit util/rgblight_breathing_table_calc.c
// $ cc -o util/rgblight_breathing_table_calc util/rgblight_breathing_table_calc.c
// $ ./util/rgblight_breathing_table_calc > keyboards/KEYBOARD_NAME/keymaps/KEYMAP_NAME/rgblight_breathe_table.h
//
#include <stdio.h>
#include <math.h>
#include <stdint.h>
/// customize breeathing effect part ///////////////////////////
#define RGBLIGHT_EFFECT_BREATHE_CENTER 1.85 // 1 to 2.7
#define RGBLIGHT_EFFECT_BREATHE_MAX 255 // 0 to 255
////////////////////////////////////////////////////////////////
int main(void) {
int pos, step;
int table[256];
for (pos = 0; pos < 256; pos ++ ) {
table[pos] = (uint8_t)(
(exp(sin((pos/255.0)*M_PI))- RGBLIGHT_EFFECT_BREATHE_CENTER/M_E)
* (RGBLIGHT_EFFECT_BREATHE_MAX/(M_E-1/M_E))
);
}
printf("#ifndef RGBLIGHT_EFFECT_BREATHE_TABLE\n");
printf("#define RGBLIGHT_EFFECT_BREATHE_TABLE\n\n");
printf("const uint8_t rgblight_effect_breathe_table[] PROGMEM = {\n");
printf(" /* #define RGBLIGHT_EFFECT_BREATHE_CENTER %.2f */\n", RGBLIGHT_EFFECT_BREATHE_CENTER);
printf(" /* #define RGBLIGHT_EFFECT_BREATHE_MAX %d */\n", RGBLIGHT_EFFECT_BREATHE_MAX);
for (int s = 0, step = (1<<s); s < 3 ; s += 1, step = (1<<s) ) {
printf("\n #if RGBLIGHT_BREATHE_TABLE_SIZE == %d\n",
s == 0 ? 256:(s== 1 ? 128: 64));
for (pos = 0; pos < 256; pos += step ) {
printf(" 0x%x%s", table[pos], (pos+step)>=256?"":"," );
if ((pos+step) % 8 == 0)
printf("\n");
}
printf(" #endif /* %d bytes table */\n", s == 0 ? 256:(s== 1 ? 128: 64));
}
printf("};\n");
printf("\nstatic const int table_scale = 256/sizeof(rgblight_effect_breathe_table);\n");
printf("\n#endif /* RGBLIGHT_EFFECT_BREATHE_TABLE */\n");
return 0;
}
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