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1 /* | |
2 * Copyright (c) 2015 Gurjant Kalsi <me@gurjantkalsi.com> | |
3 * | |
4 * Permission is hereby granted, free of charge, to any person obtaining | |
5 * a copy of this software and associated documentation files | |
6 * (the "Software"), to deal in the Software without restriction, | |
7 * including without limitation the rights to use, copy, modify, merge, | |
8 * publish, distribute, sublicense, and/or sell copies of the Software, | |
9 * and to permit persons to whom the Software is furnished to do so, | |
10 * subject to the following conditions: | |
11 * | |
12 * The above copyright notice and this permission notice shall be | |
13 * included in all copies or substantial portions of the Software. | |
14 * | |
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. | |
18 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY | |
19 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, | |
20 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE | |
21 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |
22 */ | |
23 | |
24 // 2.7 Inch Monocromatic Sharp Memory LCD | |
25 | |
26 #include <target/display/LS027B7DH01.h> | |
27 #include <string.h> | |
28 | |
29 #define SET_BIT(BUF, BITNUM) ((BUF)[(BITNUM) >> 3] |= (0xff & (0x1 << ((BITNUM)
& 0x07)))) | |
30 | |
31 uint8_t lcd_get_line(uint8_t *framebuffer, uint8_t idx, uint8_t *result) | |
32 { | |
33 framebuffer += MLCD_WIDTH * idx; | |
34 | |
35 memset(result, 0, MLCD_BYTES_LINE); | |
36 | |
37 for (uint i = 0; i < MLCD_WIDTH; ++i) { | |
38 if (framebuffer[i] > 128) { | |
39 SET_BIT(result, i); | |
40 } | |
41 } | |
42 | |
43 return MLCD_BYTES_LINE; | |
44 } | |
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