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authorXScorpion2 <rcalt2vt@gmail.com>2019-05-01 20:59:01 -0500
committerDrashna Jaelre <drashna@live.com>2019-05-01 19:08:52 -0700
commit22426a4b4a29781b1d4b416717d44ceb434b67a2 (patch)
tree83457a98fc3d1edc9d480db8eebc08c2feb133d7 /quantum
parent59d28fe2884c0639ef020ece3e1bc6967ab0881f (diff)
Adjusted the linear led table and hsv_to_rgb to better handle 255 hue (#5739)
* Adjusted the linear led table and hsv_to_rgb to better handle 255 hue * small math adjustments to better handle specific uint8_t rounding and overflows
Diffstat (limited to 'quantum')
-rw-r--r--quantum/color.c9
-rw-r--r--quantum/led_tables.c48
2 files changed, 24 insertions, 33 deletions
diff --git a/quantum/color.c b/quantum/color.c
index c49877592e..466e6edacb 100644
--- a/quantum/color.c
+++ b/quantum/color.c
@@ -22,8 +22,8 @@
RGB hsv_to_rgb( HSV hsv )
{
RGB rgb;
- uint8_t region, p, q, t;
- uint16_t h, s, v, remainder;
+ uint8_t region, remainder, p, q, t;
+ uint16_t h, s, v;
if ( hsv.s == 0 )
{
@@ -37,8 +37,8 @@ RGB hsv_to_rgb( HSV hsv )
s = hsv.s;
v = hsv.v;
- region = h / 43;
- remainder = (h - (region * 43)) * 6;
+ region = h * 6 / 255;
+ remainder = (h * 2 - region * 85) * 3;
p = (v * (255 - s)) >> 8;
q = (v * (255 - ((s * remainder) >> 8))) >> 8;
@@ -46,6 +46,7 @@ RGB hsv_to_rgb( HSV hsv )
switch ( region )
{
+ case 6:
case 0:
rgb.r = v;
rgb.g = t;
diff --git a/quantum/led_tables.c b/quantum/led_tables.c
index b99f262097..0eeb5c44b6 100644
--- a/quantum/led_tables.c
+++ b/quantum/led_tables.c
@@ -19,38 +19,28 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#ifdef USE_CIE1931_CURVE
// Lightness curve using the CIE 1931 lightness formula
//Generated by the python script provided in http://jared.geek.nz/2013/feb/linear-led-pwm
-const uint8_t CIE1931_CURVE[] PROGMEM = {
- 0, 0, 0, 0, 0, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 3, 3, 3, 3, 3, 3, 3,
- 3, 4, 4, 4, 4, 4, 4, 5, 5, 5,
- 5, 5, 6, 6, 6, 6, 6, 7, 7, 7,
- 7, 8, 8, 8, 8, 9, 9, 9, 10, 10,
- 10, 10, 11, 11, 11, 12, 12, 12, 13, 13,
- 13, 14, 14, 15, 15, 15, 16, 16, 17, 17,
- 17, 18, 18, 19, 19, 20, 20, 21, 21, 22,
- 22, 23, 23, 24, 24, 25, 25, 26, 26, 27,
- 28, 28, 29, 29, 30, 31, 31, 32, 32, 33,
- 34, 34, 35, 36, 37, 37, 38, 39, 39, 40,
- 41, 42, 43, 43, 44, 45, 46, 47, 47, 48,
- 49, 50, 51, 52, 53, 54, 54, 55, 56, 57,
- 58, 59, 60, 61, 62, 63, 64, 65, 66, 67,
- 68, 70, 71, 72, 73, 74, 75, 76, 77, 79,
- 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,
- };
+const uint8_t CIE1931_CURVE[256] PROGMEM = {
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3,
+ 3, 3, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 6, 6, 6, 6,
+ 6, 7, 7, 7, 7, 8, 8, 8, 8, 9, 9, 9, 10, 10, 10, 11,
+ 11, 11, 12, 12, 12, 13, 13, 13, 14, 14, 14, 15, 15, 16, 16, 16,
+ 17, 17, 18, 18, 19, 19, 20, 20, 21, 21, 22, 22, 23, 23, 24, 24,
+ 25, 25, 26, 26, 27, 28, 28, 29, 29, 30, 31, 31, 32, 33, 33, 34,
+ 35, 35, 36, 37, 37, 38, 39, 40, 40, 41, 42, 43, 44, 44, 45, 46,
+ 47, 48, 49, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61,
+ 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 75, 76, 77, 78,
+ 79, 80, 82, 83, 84, 85, 87, 88, 89, 90, 92, 93, 94, 96, 97, 99,
+100, 101, 103, 104, 106, 107, 108, 110, 111, 113, 114, 116, 118, 119, 121, 122,
+124, 125, 127, 129, 130, 132, 134, 135, 137, 139, 141, 142, 144, 146, 148, 149,
+151, 153, 155, 157, 159, 161, 162, 164, 166, 168, 170, 172, 174, 176, 178, 180,
+182, 185, 187, 189, 191, 193, 195, 197, 200, 202, 204, 206, 208, 211, 213, 215,
+218, 220, 222, 225, 227, 230, 232, 234, 237, 239, 242, 244, 247, 249, 252, 255
+};
#endif
#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,
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,