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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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