diff options
author | Takeshi ISHII <2170248+mtei@users.noreply.github.com> | 2019-05-02 23:59:29 +0900 |
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committer | Drashna Jaelre <drashna@live.com> | 2019-05-02 09:12:28 -0700 |
commit | 4550e29f9567df5cb8fb161433d323fa74595282 (patch) | |
tree | 24b61234fe1e9efddb2ce9147a4b82765fc7acf2 /util/rgblight_breathing_table_calc.c | |
parent | 59d28fe2884c0639ef020ece3e1bc6967ab0881f (diff) |
If RGBLIGHT_EFFECT_BREATHE_CENTER is undefined, use fixed breathe table instead of exp() and sin() (#5484)
* If RGBLIGHT_EFFECT_BREATHE_CENTER is undefined, use fixed breathe table instead of exp() and sin()
* Change rgblight breathing table size to be easily selectable.
add RGBLIGHT_BREATHE_TABLE_SIZE macro for customize breathing effect.
Diffstat (limited to 'util/rgblight_breathing_table_calc.c')
-rw-r--r-- | util/rgblight_breathing_table_calc.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/util/rgblight_breathing_table_calc.c b/util/rgblight_breathing_table_calc.c new file mode 100644 index 0000000000..fc4d49ea58 --- /dev/null +++ b/util/rgblight_breathing_table_calc.c @@ -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; +} |