1 /* ----------------------------------------------------------------------------
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2 * SAM Software Package License
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3 * ----------------------------------------------------------------------------
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4 * Copyright (c) 2015, Atmel Corporation
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6 * All rights reserved.
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8 * Redistribution and use in source and binary forms, with or without
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9 * modification, are permitted provided that the following conditions are met:
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11 * - Redistributions of source code must retain the above copyright notice,
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12 * this list of conditions and the disclaimer below.
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14 * Atmel's name may not be used to endorse or promote products derived from
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15 * this software without specific prior written permission.
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17 * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
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18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
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20 * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
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21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
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23 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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24 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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25 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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26 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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27 * ----------------------------------------------------------------------------
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32 * Implementation of draw font on LCD.
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36 /*----------------------------------------------------------------------------
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38 *----------------------------------------------------------------------------*/
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40 #include "lcd_font.h"
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41 #include "lcd_draw.h"
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47 /*----------------------------------------------------------------------------
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49 *----------------------------------------------------------------------------*/
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51 /** Global variable describing the font being instanced. */
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52 //const Font gFont = { 10, 14 };
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54 static uint8_t font_sel = FONT10x14;
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56 /*----------------------------------------------------------------------------
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57 * Exported functions
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58 *----------------------------------------------------------------------------*/
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60 struct _font_parameters* lcdd_select_font (_FONT_enum font)
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63 return &font_param[font];
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66 uint8_t lcdd_get_selected_font (void)
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71 void lcdd_draw_char(uint32_t x, uint32_t y, uint8_t c, uint32_t color)
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75 uint8_t width = font_param[font_sel].width ;
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76 uint8_t height = font_param[font_sel].height;
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77 const uint8_t* pfont = font_param[font_sel].pfont;
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79 assert((c >= 0x20) && (c <= 0x7F));
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84 for (col=0 ; col < width ; col++ ) {
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85 for (row=0 ; row<8 ; row++ ) {
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86 Ch = (pfont[((c - 0x20) * 20) + col * 2] >> (7 - row)) & 0x1;
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87 if (Ch) lcdd_draw_pixel( x+col, y+row, color) ;
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89 for (row=0; row<6; row++ ) {
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90 Ch = (pfont[((c - 0x20) * 20) + col * 2 + 1] >> (7 - row)) & 0x1;
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91 if (Ch) lcdd_draw_pixel( x+col, y+row+8, color) ;
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97 for (col=0 ; col < width ; col++ ) {
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98 Ch = pfont[((c-0x20)*width)+ col];
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100 for (row=0 ; row < height; row++ ) {
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101 if ((Ch>>row)&0x1) {
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102 lcdd_draw_pixel( x+(height-row), y+col, color) ;
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111 for (col=0 ; col < width ; col++ ) {
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112 Ch = pfont[((c-0x20)*width)+ col];
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114 for (row=0 ; row < height; row++ ) {
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115 if ((Ch>>row)&0x1) {
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116 if (font_sel == FONT8x8)
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117 lcdd_draw_pixel( x+row, y+col, color) ;
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119 lcdd_draw_pixel( x+col, y+row, color) ;
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129 * \brief Draws an ASCII character on LCD with given background color.
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131 * \param x X-coordinate of character upper-left corner.
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132 * \param y Y-coordinate of character upper-left corner.
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133 * \param c Character to output.
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134 * \param fontColor Character color.
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135 * \param bgColor Background color.
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137 void lcdd_draw_char_with_bgcolor(uint32_t x, uint32_t y, uint8_t c, uint32_t fontColor,
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142 uint8_t width = font_param[font_sel].width ;
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143 uint8_t height = font_param[font_sel].height;
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144 const uint8_t* pfont = font_param[font_sel].pfont;
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146 assert((c >= 0x20) && (c <= 0x7F));
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151 for (col=0 ; col < width ; col++ ) {
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152 for (row=0 ; row<8 ; row++ ) {
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153 Ch = (pfont[((c - 0x20) * 20) + col * 2] >> (7 - row)) & 0x1;
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154 if (Ch) lcdd_draw_pixel( x+col, y+row, fontColor) ;
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155 else lcdd_draw_pixel( x+col, y+row, bgColor) ;
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157 for (row=0; row<6; row++ ) {
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158 Ch = (pfont[((c - 0x20) * 20) + col * 2 + 1] >> (7 - row)) & 0x1;
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159 if (Ch) lcdd_draw_pixel( x+col, y+row+8, fontColor) ;
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160 else lcdd_draw_pixel( x+col, y+row+8, bgColor) ;
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166 for (col=0 ; col < width ; col++ ) {
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167 Ch = pfont[((c-0x20)*width)+ col];
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169 for (row=0 ; row < height; row++ ) {
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170 if ((Ch>>row)&0x1) {
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171 lcdd_draw_pixel( x+(height-row), y+col, fontColor) ;
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174 lcdd_draw_pixel( x+(height-row), y+col, bgColor) ;
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183 for (col=0 ; col < width ; col++ ) {
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184 Ch = pfont[((c-0x20)*width)+ col];
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186 for (row=0 ; row < height; row++ ) {
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187 if ((Ch>>row)&0x1) {
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188 if (font_sel == FONT8x8)
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189 lcdd_draw_pixel( x+row, y+col, fontColor) ;
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191 lcdd_draw_pixel( x+col, y+row, fontColor) ;
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194 if (font_sel == FONT8x8)
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195 lcdd_draw_pixel( x+row, y+col, bgColor) ;
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197 lcdd_draw_pixel( x+col, y+row, bgColor) ;
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