forked from forks/qmk_firmware
50 lines
2 KiB
C
50 lines
2 KiB
C
|
//
|
||
|
|
// 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;
|
||
|
|
}
|