annotate src/cs/drivers/drv_app/r2d/lcds/luna/r2d_task_i_96x64.c @ 276:4221c724c664

R2D: preparations for adding LCD hardware suspend handling
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 07 Sep 2021 21:05:38 +0000
parents c905daaff834
children
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1 #include "r2d/lcds/luna/r2d_luna_lcd.h"
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2 #include "r2d/lcds/luna/colormap.h"
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3
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4 void r2d_lcd_power_on(void)
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5 {
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6 }
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7
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8 void r2d_lcd_power_off(void)
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9 {
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10 }
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11
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12 void r2d_refresh(void)
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13 {
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14 UINT16 i, j, k;
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15 UINT32 v;
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16 UINT32 *p;
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17 INT16 y1, y2;
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18
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19 p=r2d_g_framebuffer->p_memory_words;
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21 y1=r2d_update_ul_y; //0
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22 y2=r2d_update_br_y; //63
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24 if (y1 > y2)
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25 return;
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26 r2d_reinit_update_region();
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27
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28 /* set window area */
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29 LCD_REG_WR(0x36, 135);
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30 LCD_REG_WR(0x37, 40);
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31 LCD_REG_WR(0x38, y2 + 78);
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32 LCD_REG_WR(0x39, y1 + 78);
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33 /* set current write address */
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34 LCD_REG_WR(0x20, 40);
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35 LCD_REG_WR(0x21, y1 + 78);
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36 /* set up for GRAM write */
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37 LCD_IR = 0x22;
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38
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39 p=p+y1*R2D_MWWIDTH;
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40
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41 for (i=y1;i<=y2;i++)
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42 {
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43 for (j = 0; j < R2D_MWWIDTH-1; j++)
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44 {
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45 v=*p++;
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46 for (k=0;k<32;k++)
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47 {
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48 if (v&1)
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49 LCD_DR = LCD16_COLOR_BLACK;
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50 else
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51 LCD_DR = LCD16_COLOR_WHITE;
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52 v=v>>1;
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53 }
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54 }
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55 p++;
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56 }
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57 }