FreeCalypso > hg > freecalypso-tools

annotate target-utils/lunadrv/lcdout.c @ 944:441004febe35

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rvinterf/Makefile: libg23 is no more
author Mychaela Falconia <falcon@freecalypso.org>
date Wed, 24 May 2023 07:12:50 +0000
parents db9a8e88e63f
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
700
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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1 /*
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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2 * Generic LCD output operations are implemented here. All of the basic
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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3 * LCD controller registers needed for these operations are the same
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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4 * between ILI9225, ILI9225G and ST7775R controllers.
db9a8e88e63f target-utils lunadrv program written, compiles
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5 */
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6
db9a8e88e63f target-utils lunadrv program written, compiles
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7 #include <sys/types.h>
db9a8e88e63f target-utils lunadrv program written, compiles
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8 #include "types.h"
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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9 #include "luna.h"
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10
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11 set_lcd_addr_region(xstart, xend, ystart, yend)
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12 {
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13 /* set window area */
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14 LCD_REG_WR(0x36, xend);
db9a8e88e63f target-utils lunadrv program written, compiles
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15 LCD_REG_WR(0x37, xstart);
db9a8e88e63f target-utils lunadrv program written, compiles
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16 LCD_REG_WR(0x38, yend);
db9a8e88e63f target-utils lunadrv program written, compiles
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17 LCD_REG_WR(0x39, ystart);
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18 /* set current write address */
db9a8e88e63f target-utils lunadrv program written, compiles
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19 LCD_REG_WR(0x20, xstart);
db9a8e88e63f target-utils lunadrv program written, compiles
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20 LCD_REG_WR(0x21, ystart);
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21 /* set up for GRAM write */
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22 LCD_IR = 0x22;
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23 }
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24
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25 void
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26 cmd_fill(argbulk)
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27 char *argbulk;
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28 {
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29 char *argv[2];
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30 u_long pixval;
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31 unsigned n;
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32
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33 if (parse_args(argbulk, 1, 1, argv, 0) < 0)
db9a8e88e63f target-utils lunadrv program written, compiles
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34 return;
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35 if (parse_hexarg(argv[0], 4, &pixval) < 0) {
db9a8e88e63f target-utils lunadrv program written, compiles
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36 printf("ERROR: arg must be a valid 16-bit hex value\n");
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37 return;
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38 }
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39 set_lcd_addr_region(0, 175, 0, 219);
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40 for (n = 0; n < 176 * 220; n++)
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41 LCD_DR = pixval;
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42 }
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43
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44 void
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45 cmd_rect(argbulk)
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46 char *argbulk;
db9a8e88e63f target-utils lunadrv program written, compiles
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47 {
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48 char *argv[6];
db9a8e88e63f target-utils lunadrv program written, compiles
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49 u_long pixval;
db9a8e88e63f target-utils lunadrv program written, compiles
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50 int xstart, xend, ystart, yend;
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51 int npix;
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52
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53 if (parse_args(argbulk, 5, 5, argv, 0) < 0)
db9a8e88e63f target-utils lunadrv program written, compiles
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54 return;
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55 xstart = atoi(argv[0]);
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56 if (xstart < 0 || xstart > 175) {
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57 range_err: printf("ERROR: coordinate arg out of range\n");
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58 return;
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59 }
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60 xend = atoi(argv[1]);
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61 if (xend < 0 || xend > 175)
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62 goto range_err;
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63 ystart = atoi(argv[2]);
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64 if (ystart < 0 || ystart > 219)
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65 goto range_err;
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66 yend = atoi(argv[3]);
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67 if (yend < 0 || yend > 219)
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68 goto range_err;
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69 if (xend < xstart || yend < ystart) {
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70 printf("ERROR: negative range\n");
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71 return;
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72 }
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73 if (parse_hexarg(argv[4], 4, &pixval) < 0) {
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74 printf("ERROR: pixel arg must be a valid 16-bit hex value\n");
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75 return;
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76 }
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77 set_lcd_addr_region(xstart, xend, ystart, yend);
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78 npix = (xend + 1 - xstart) * (yend + 1 - ystart);
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79 while (npix--)
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80 LCD_DR = pixval;
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81 }
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82
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83 void
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84 cmd_mem2lcd(argbulk)
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85 char *argbulk;
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86 {
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87 char *argv[2];
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88 u_long addr;
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89 const u16 *rdmem;
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90 unsigned n;
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91
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92 if (parse_args(argbulk, 1, 1, argv, 0) < 0)
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93 return;
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94 if (parse_hexarg(argv[0], 8, &addr) < 0) {
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95 printf("ERROR: argument must be a valid 32-bit hex address\n");
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96 return;
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97 }
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98 if (addr & 1) {
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99 printf("ERROR: unaligned address\n");
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100 return;
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101 }
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102 rdmem = (const u16 *) addr;
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103 set_lcd_addr_region(0, 175, 0, 219);
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104 for (n = 0; n < 176 * 220; n++)
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105 LCD_DR = *rdmem++;
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106 }