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Merge pull request #39 from zsa/fix/hue_to_rgb_tuning

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Adjusted the linear led table and hsv_to_rgb to better handle 255 hue
pull/5990/head
Florian Didron 6 years ago committed by GitHub
parent 1f3fd52b6d 22426a4b4a
commit 46ea7dfd51
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 24 additions and 33 deletions
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9
quantum/color.c
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@ -22,8 +22,8 @@
RGB hsv_to_rgb( HSV hsv ) RGB hsv_to_rgb( HSV hsv )
{ {
RGB rgb; RGB rgb;
uint8_t region, p, q, t; uint8_t region, remainder, p, q, t;
uint16_t h, s, v, remainder; uint16_t h, s, v;
if ( hsv.s == 0 ) if ( hsv.s == 0 )
{ {
@ -37,8 +37,8 @@ RGB hsv_to_rgb( HSV hsv )
s = hsv.s; s = hsv.s;
v = hsv.v; v = hsv.v;
region = h / 43; region = h * 6 / 255;
remainder = (h - (region * 43)) * 6; remainder = (h * 2 - region * 85) * 3;
p = (v * (255 - s)) >> 8; p = (v * (255 - s)) >> 8;
q = (v * (255 - ((s * remainder) >> 8))) >> 8; q = (v * (255 - ((s * remainder) >> 8))) >> 8;
@ -46,6 +46,7 @@ RGB hsv_to_rgb( HSV hsv )
switch ( region ) switch ( region )
{ {
case 6:
case 0: case 0:
rgb.r = v; rgb.r = v;
rgb.g = t; rgb.g = t;

46
quantum/led_tables.c
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@ -19,38 +19,28 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#ifdef USE_CIE1931_CURVE #ifdef USE_CIE1931_CURVE
// Lightness curve using the CIE 1931 lightness formula // Lightness curve using the CIE 1931 lightness formula
//Generated by the python script provided in http://jared.geek.nz/2013/feb/linear-led-pwm //Generated by the python script provided in http://jared.geek.nz/2013/feb/linear-led-pwm
const uint8_t CIE1931_CURVE[] PROGMEM = { const uint8_t CIE1931_CURVE[256] PROGMEM = {
0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3,
2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 6, 6, 6, 6,
3, 4, 4, 4, 4, 4, 4, 5, 5, 5, 6, 7, 7, 7, 7, 8, 8, 8, 8, 9, 9, 9, 10, 10, 10, 11,
5, 5, 6, 6, 6, 6, 6, 7, 7, 7, 11, 11, 12, 12, 12, 13, 13, 13, 14, 14, 14, 15, 15, 16, 16, 16,
7, 8, 8, 8, 8, 9, 9, 9, 10, 10, 17, 17, 18, 18, 19, 19, 20, 20, 21, 21, 22, 22, 23, 23, 24, 24,
10, 10, 11, 11, 11, 12, 12, 12, 13, 13, 25, 25, 26, 26, 27, 28, 28, 29, 29, 30, 31, 31, 32, 33, 33, 34,
13, 14, 14, 15, 15, 15, 16, 16, 17, 17, 35, 35, 36, 37, 37, 38, 39, 40, 40, 41, 42, 43, 44, 44, 45, 46,
17, 18, 18, 19, 19, 20, 20, 21, 21, 22, 47, 48, 49, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61,
22, 23, 23, 24, 24, 25, 25, 26, 26, 27, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 75, 76, 77, 78,
28, 28, 29, 29, 30, 31, 31, 32, 32, 33, 79, 80, 82, 83, 84, 85, 87, 88, 89, 90, 92, 93, 94, 96, 97, 99,
34, 34, 35, 36, 37, 37, 38, 39, 39, 40, 100, 101, 103, 104, 106, 107, 108, 110, 111, 113, 114, 116, 118, 119, 121, 122,
41, 42, 43, 43, 44, 45, 46, 47, 47, 48, 124, 125, 127, 129, 130, 132, 134, 135, 137, 139, 141, 142, 144, 146, 148, 149,
49, 50, 51, 52, 53, 54, 54, 55, 56, 57, 151, 153, 155, 157, 159, 161, 162, 164, 166, 168, 170, 172, 174, 176, 178, 180,
58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 182, 185, 187, 189, 191, 193, 195, 197, 200, 202, 204, 206, 208, 211, 213, 215,
68, 70, 71, 72, 73, 74, 75, 76, 77, 79, 218, 220, 222, 225, 227, 230, 232, 234, 237, 239, 242, 244, 247, 249, 252, 255
80, 81, 82, 83, 85, 86, 87, 88, 90, 91,
92, 94, 95, 96, 98, 99, 100, 102, 103, 105,
106, 108, 109, 110, 112, 113, 115, 116, 118, 120,
121, 123, 124, 126, 128, 129, 131, 132, 134, 136,
138, 139, 141, 143, 145, 146, 148, 150, 152, 154,
155, 157, 159, 161, 163, 165, 167, 169, 171, 173,
175, 177, 179, 181, 183, 185, 187, 189, 191, 193,
196, 198, 200, 202, 204, 207, 209, 211, 214, 216,
218, 220, 223, 225, 228, 230, 232, 235, 237, 240,
242, 245, 247, 250, 252, 255,
}; };
#endif #endif
#ifdef USE_LED_BREATHING_TABLE #ifdef USE_LED_BREATHING_TABLE
const uint8_t LED_BREATHING_TABLE[] PROGMEM = { const uint8_t LED_BREATHING_TABLE[256] PROGMEM = {
0, 0, 0, 0, 1, 1, 1, 2, 2, 3, 4, 5, 5, 6, 7, 9, 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, 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, 37, 40, 42, 44, 47, 49, 52, 54, 57, 59, 62, 65, 67, 70, 73, 76,

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