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HD200 - calibrate lcdlinear[] matrix

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@26910 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Marcin Bukat 2010-06-18 11:58:26 +00:00
parent 25701c5b2d
commit 341653e3af
1 changed files with 23 additions and 16 deletions
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39
apps/plugins/lib/grey_core.c
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@ -271,23 +271,30 @@ static const unsigned char lcdlinear[256] = {
#define LCD_SCANRATE 80 /* Hz */
#elif defined MPIO_HD200
/* matrix generated in the following way
* 1) run 5 times test_grey
* 2) average results (joint points)
* 3) plot full matrix obtained by natural cubic b-spline interpolation
* 4) hand tweak joint points to smooth the curve
* 5) repeat steps 3 and 4 until interpolated curve is smooth
*/
static const unsigned char lcdlinear[256] = {
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
32, 32, 32, 32, 32, 33, 33, 33, 33, 33, 34, 34, 34, 34, 34, 35,
35, 35, 36, 36, 36, 37, 37, 38, 38, 38, 39, 39, 40, 40, 40, 41,
41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 52, 54, 56, 58, 60, 61,
62, 62, 62, 62, 62, 62, 62, 62, 62, 62, 62, 62, 62, 62, 62, 62,
62, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76,
78, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92,
93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 109,
110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125,
125, 126, 127, 129, 130, 132, 133, 134, 136, 137, 138, 140, 141, 142, 144, 145,
146, 145, 147, 149, 150, 152, 153, 154, 156, 157, 158, 160, 162, 164, 165, 166,
167, 167, 168, 168, 169, 169, 170, 170, 171, 171, 172, 172, 173, 174, 175, 176,
177, 177, 178, 178, 179, 179, 180, 180, 181, 181, 182, 182, 183, 184, 185, 186,
187, 188, 188, 189, 190, 190, 191, 192, 192, 193, 194, 195, 196, 197, 197, 198,
198, 201, 205, 208, 212, 215, 219, 222, 226, 229, 233, 236, 240, 243, 247, 252
0, 0, 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7,
8, 8, 9, 9, 10, 10, 11, 11, 12, 12, 13, 13, 14, 14, 15, 15,
16, 16, 16, 17, 17, 18, 18, 18, 19, 19, 20, 20, 20, 21, 21, 21,
22, 22, 22, 22, 23, 23, 23, 24, 24, 24, 24, 25, 25, 25, 26, 26,
27, 27, 27, 28, 28, 29, 29, 30, 30, 31, 31, 32, 32, 33, 33, 34,
35, 35, 36, 36, 37, 37, 38, 39, 39, 40, 41, 41, 42, 43, 43, 44,
45, 45, 46, 46, 47, 48, 49, 49, 50, 51, 51, 52, 53, 53, 54, 55,
56, 56, 57, 58, 58, 59, 60, 61, 61, 62, 63, 64, 64, 65, 66, 67,
68, 68, 69, 70, 71, 71, 72, 73, 74, 75, 75, 76, 77, 78, 79, 80,
81, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95,
96, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 108, 109, 110, 111,
113, 114, 115, 117, 118, 120, 121, 123, 125, 126, 128, 130, 131, 133, 135, 137,
139, 140, 142, 144, 146, 147, 149, 151, 152, 154, 156, 157, 159, 161, 162, 164,
166, 167, 169, 170, 172, 173, 175, 176, 177, 179, 180, 182, 183, 184, 186, 187,
189, 190, 191, 193, 194, 195, 197, 198, 199, 201, 202, 203, 205, 206, 207, 208,
210, 211, 212, 213, 214, 215, 217, 218, 219, 220, 221, 222, 223, 224, 225, 227
};
#define LCD_SCANRATE 153 /* Hz */