Tue, 08 Oct 2019 12:00:31 +0200
Initial import of the CO2 meter application.
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Initial import of the CO2 meter application.
Michiel Broek <mbroek@mbse.eu>
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1 | /* |
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Initial import of the CO2 meter application.
Michiel Broek <mbroek@mbse.eu>
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2 | |
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Initial import of the CO2 meter application.
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3 | u8log_u8g2.c |
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4 | |
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5 | |
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6 | Universal 8bit Graphics Library (https://github.com/olikraus/u8g2/) |
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7 | |
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8 | Copyright (c) 2018, olikraus@gmail.com |
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9 | All rights reserved. |
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10 | |
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11 | Redistribution and use in source and binary forms, with or without modification, |
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12 | are permitted provided that the following conditions are met: |
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13 | |
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14 | * Redistributions of source code must retain the above copyright notice, this list |
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15 | of conditions and the following disclaimer. |
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16 | |
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17 | * Redistributions in binary form must reproduce the above copyright notice, this |
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18 | list of conditions and the following disclaimer in the documentation and/or other |
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19 | materials provided with the distribution. |
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20 | |
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21 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND |
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22 | CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, |
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23 | INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
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24 | MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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25 | DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR |
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26 | CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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27 | SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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28 | NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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29 | LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
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30 | CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
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31 | STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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32 | ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
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33 | ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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34 | |
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35 | */ |
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36 | |
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37 | #include "u8g2.h" |
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38 | /* |
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39 | Draw the u8log text at the specified x/y position. |
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40 | x/y position is the reference position of the first char of the first line. |
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41 | the line height is |
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42 | u8g2_GetAscent(u8g2) - u8g2_GetDescent(u8g2) + line_height_offset; |
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43 | line_height_offset can be set with u8log_SetLineHeightOffset() |
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44 | Use |
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45 | u8g2_SetFontRefHeightText(u8g2_t *u8g2); |
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46 | u8g2_SetFontRefHeightExtendedText(u8g2_t *u8g2); |
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47 | u8g2_SetFontRefHeightAll(u8g2_t *u8g2); |
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48 | to change the return values for u8g2_GetAscent and u8g2_GetDescent |
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49 | |
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50 | */ |
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51 | void u8g2_DrawLog(u8g2_t *u8g2, u8g2_uint_t x, u8g2_uint_t y, u8log_t *u8log) |
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52 | { |
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53 | u8g2_uint_t disp_x, disp_y; |
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54 | uint8_t buf_x, buf_y; |
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55 | uint8_t c; |
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56 | |
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57 | disp_y = y; |
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58 | u8g2_SetFontDirection(u8g2, 0); |
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59 | for( buf_y = 0; buf_y < u8log->height; buf_y++ ) |
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60 | { |
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61 | disp_x = x; |
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62 | for( buf_x = 0; buf_x < u8log->width; buf_x++ ) |
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63 | { |
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64 | c = u8log->screen_buffer[buf_y * u8log->width + buf_x]; |
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65 | disp_x += u8g2_DrawGlyph(u8g2, disp_x, disp_y, c); |
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66 | } |
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67 | disp_y += u8g2_GetAscent(u8g2) - u8g2_GetDescent(u8g2); |
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68 | disp_y += u8log->line_height_offset; |
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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 | u8lib callback for u8g2 |
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74 | |
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75 | Only font direction 0 is supported: u8g2_SetFontDirection(u8g2, 0) |
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76 | Use |
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77 | u8g2_SetFontRefHeightText(u8g2_t *u8g2); |
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78 | u8g2_SetFontRefHeightExtendedText(u8g2_t *u8g2); |
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79 | u8g2_SetFontRefHeightAll(u8g2_t *u8g2); |
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80 | to change the top offset and the line height and |
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81 | u8log_SetLineHeightOffset(u8log_t *u8log, int8_t line_height_offset) |
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82 | to change the line height. |
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83 | |
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84 | */ |
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85 | void u8log_u8g2_cb(u8log_t * u8log) |
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86 | { |
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87 | u8g2_t *u8g2 = (u8g2_t *)(u8log->aux_data); |
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88 | if ( u8log->is_redraw_line || u8log->is_redraw_all ) |
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89 | { |
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90 | u8g2_FirstPage(u8g2); |
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91 | do |
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92 | { |
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93 | u8g2_DrawLog( u8g2, 0, u8g2_GetAscent(u8g2), u8log); |
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94 | } |
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95 | while( u8g2_NextPage(u8g2) ); |
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96 | } |
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97 | } |
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98 |