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1 /* |
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2 |
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3 u8x8_d_stdio.c |
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4 |
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5 Universal 8bit Graphics Library (https://github.com/olikraus/u8g2/) |
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6 |
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7 Copyright (c) 2016, olikraus@gmail.com |
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8 All rights reserved. |
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9 |
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10 Redistribution and use in source and binary forms, with or without modification, |
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11 are permitted provided that the following conditions are met: |
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12 |
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13 * Redistributions of source code must retain the above copyright notice, this list |
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14 of conditions and the following disclaimer. |
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15 |
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16 * Redistributions in binary form must reproduce the above copyright notice, this |
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17 list of conditions and the following disclaimer in the documentation and/or other |
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18 materials provided with the distribution. |
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19 |
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20 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND |
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21 CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, |
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22 INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
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23 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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24 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR |
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25 CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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26 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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27 NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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28 LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
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29 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
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30 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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31 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
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32 ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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33 |
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34 */ |
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35 |
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36 #include "u8x8.h" |
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37 |
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38 #include <stdio.h> |
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39 |
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40 #define W 8 |
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41 #define H 2 |
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42 |
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43 uint8_t bitmap[W*H*8]; |
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44 |
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45 void bitmap_place_tile(uint8_t x, uint8_t y, uint8_t *tile) |
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46 { |
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47 uint8_t i; |
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48 for(i = 0; i < 8; i++ ) |
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49 bitmap[x*8+y*W*8+i] = tile[i]; |
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50 } |
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51 |
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52 void bitmap_show(void) |
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53 { |
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54 int x, y; |
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55 for( y = 0; y < H*8; y++ ) |
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56 { |
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57 for( x = 0; x < W*8; x++ ) |
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58 { |
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59 if ( (bitmap[x+(y/8)*W*8] & (1<<((y&7)))) != 0 ) |
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60 { |
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61 printf("*"); |
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62 } |
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63 else |
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64 { |
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65 printf("."); |
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66 } |
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67 } |
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68 printf("\n"); |
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69 } |
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70 } |
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71 |
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72 |
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73 uint8_t u8x8_d_stdio(U8X8_UNUSED u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr) |
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74 { |
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75 switch(msg) |
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76 { |
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77 case U8X8_MSG_DISPLAY_INIT: |
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78 break; |
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79 case U8X8_MSG_DISPLAY_SET_POWER_SAVE: |
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80 if ( arg_int == 0 ) |
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81 bitmap_show(); |
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82 break; |
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83 case U8X8_MSG_DISPLAY_SET_CONTRAST: |
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84 break; |
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85 case U8X8_MSG_DISPLAY_DRAW_TILE: |
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86 bitmap_place_tile(((u8x8_tile_t *)arg_ptr)->x_pos, ((u8x8_tile_t *)arg_ptr)->y_pos, ((u8x8_tile_t *)arg_ptr)->tile_ptr); |
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87 break; |
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88 default: |
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89 break; |
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90 } |
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91 return 1; |
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92 } |
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93 |
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94 |
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95 |
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96 void u8x8_SetupStdio(u8x8_t *u8x8) |
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97 { |
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98 u8x8_SetupDefaults(u8x8); |
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99 u8x8->display_cb = u8x8_d_stdio; |
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100 } |
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101 |