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annotate src/cs/drivers/drv_app/r2d/lcds/luna/r2d_task_i_bw.c @ 193:6a53de2c4fc2

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R2D sync with Magnetite R2D is never compiled in Selenite, thus the present change has absolutely no impact on anything - but this sync is being done in order to keep the overall diff between Magnetite and Selenite to a minimum.
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 23 May 2020 07:13:36 +0000
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193
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1 #include "r2d/lcds/luna/r2d_luna_lcd.h"
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2
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3 void r2d_lcd_power_on(void)
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4 {
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5 }
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6
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7 void r2d_lcd_power_off(void)
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8 {
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9 }
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10
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11 void r2d_refresh(void)
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12 {
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13 UINT16 i, j, k;
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14 UINT32 v;
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15 UINT32 *p;
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16 INT16 y1, y2;
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17
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18 p=r2d_g_framebuffer->p_memory_words;
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19
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20 y1=r2d_update_ul_y; //0
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21 y2=r2d_update_br_y; //219
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22
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23 /* set window area */
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24 LCD_REG_WR(0x36, 175);
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25 LCD_REG_WR(0x37, 0);
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26 LCD_REG_WR(0x38, y2);
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27 LCD_REG_WR(0x39, y1);
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28 /* set current write address */
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29 LCD_REG_WR(0x20, 0);
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30 LCD_REG_WR(0x21, y1);
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31 /* set up for GRAM write */
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32 LCD_IR = 0x22;
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33
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34 p=p+y1*R2D_MWWIDTH;
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35
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36 for (i=y1;i<=y2;i++)
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37 {
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38 for (j = 0; j < R2D_MWWIDTH-1; j++)
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39 {
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40 v=*p++;
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41 for (k=0;k<32;k++)
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42 {
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43 if (v&1)
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44 LCD_DR = 0x0000;
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45 else
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46 LCD_DR = 0xFFFF;
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47 v=v>>1;
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48 }
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49 }
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50 v=*p++;
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51 for (k=0;k<16;k++)
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52 {
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53 if (v&1)
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54 LCD_DR = 0x0000;
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55 else
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56 LCD_DR = 0xFFFF;
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57 v=v>>1;
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58 }
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59 }
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60
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61 r2d_reinit_update_region();
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62 }