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annotate packages/hal/arm/cl7211/current/misc/lcd_test.c @ 32:5af43b635655 ecos-sw-1999-08-18

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Merge from eCos master repository on 1999-08-18-15:20:01-BST
author jlarmour
date Wed, 18 Aug 1999 15:33:44 +0000
parents
children e97d78785e2d
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1 //==========================================================================
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2 //
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3 // lcd_test.c
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4 //
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5 // Cirrus CL7211 eval board LCD test code
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6 //
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7 //==========================================================================
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8 //####COPYRIGHTBEGIN####
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9 //
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10 // -------------------------------------------
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11 // The contents of this file are subject to the Cygnus eCos Public License
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12 // Version 1.0 (the "License"); you may not use this file except in
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13 // compliance with the License. You may obtain a copy of the License at
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14 // http://sourceware.cygnus.com/ecos
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15 //
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16 // Software distributed under the License is distributed on an "AS IS"
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17 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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18 // License for the specific language governing rights and limitations under
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19 // the License.
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20 //
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21 // The Original Code is eCos - Embedded Cygnus Operating System, released
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22 // September 30, 1998.
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23 //
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24 // The Initial Developer of the Original Code is Cygnus. Portions created
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25 // by Cygnus are Copyright (C) 1998,1999 Cygnus Solutions. All Rights Reserved.
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26 // -------------------------------------------
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27 //
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28 //####COPYRIGHTEND####
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29 //==========================================================================
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30 //#####DESCRIPTIONBEGIN####
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31 //
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32 // Author(s): gthomas
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33 // Contributors: gthomas
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34 // Date: 1999-05-15
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35 // Description: Tool used to test LCD controller
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36 //####DESCRIPTIONEND####
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37
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38 #include <pkgconf/kernel.h> // Configuration header
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39 #include <cyg/kernel/kapi.h>
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40 #include <cyg/infra/diag.h>
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41
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42 #include <cyg/hal/hal_cl7211.h> // Board definitions
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43
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44 #ifndef FALSE
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45 #define FALSE 0
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46 #define TRUE 1
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47 #endif
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48
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49 #define STACK_SIZE 4096
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50 static char stack[STACK_SIZE];
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51 static cyg_thread thread_data;
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52 static cyg_handle_t thread_handle;
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53
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54 // 8x8 Font - from Helios
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55
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56 #define FIRST_CHAR 0x20
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57 #define LAST_CHAR 0x7E
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58 #define FONT_HEIGHT 8
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59 #define FONT_WIDTH 8
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60 static char font_table[LAST_CHAR-FIRST_CHAR+1][8] =
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61 {
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62 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, /* */
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63 { 0x18, 0x18, 0x18, 0x18, 0x18, 0x00, 0x18, 0x00 }, /* ! */
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64 { 0x36, 0x36, 0x36, 0x00, 0x00, 0x00, 0x00, 0x00 }, /* " */
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65 { 0x6C, 0x6C, 0xFE, 0x6C, 0xFE, 0x6C, 0x6C, 0x00 }, /* # */
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66 { 0x30, 0xFC, 0x16, 0x7C, 0xD0, 0x7E, 0x18, 0x00 }, /* $ */
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67 { 0x06, 0x66, 0x30, 0x18, 0x0C, 0x66, 0x60, 0x00 }, /* % */
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68 { 0x1C, 0x36, 0x36, 0x1C, 0xB6, 0x66, 0xDC, 0x00 }, /* & */
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69 { 0x18, 0x18, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00 }, /* ' */
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70 { 0x30, 0x18, 0x0C, 0x0C, 0x0C, 0x18, 0x30, 0x00 }, /* ( */
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71 { 0x0C, 0x18, 0x30, 0x30, 0x30, 0x18, 0x0C, 0x00 }, /* ) */
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72 { 0x00, 0x18, 0x7E, 0x3C, 0x7E, 0x18, 0x00, 0x00 }, /* * */
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73 { 0x00, 0x18, 0x18, 0x7E, 0x18, 0x18, 0x00, 0x00 }, /* + */
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74 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x0C }, /* , */
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75 { 0x00, 0x00, 0x00, 0x7E, 0x00, 0x00, 0x00, 0x00 }, /* - */
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76 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x00 }, /* . */
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77 { 0x00, 0x60, 0x30, 0x18, 0x0C, 0x06, 0x00, 0x00 }, /* / */
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78 { 0x3C, 0x66, 0x76, 0x7E, 0x6E, 0x66, 0x3C, 0x00 }, /* 0 */
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79 { 0x18, 0x1C, 0x18, 0x18, 0x18, 0x18, 0x7E, 0x00 }, /* 1 */
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80 { 0x3C, 0x66, 0x60, 0x30, 0x18, 0x0C, 0x7E, 0x00 }, /* 2 */
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81 { 0x3C, 0x66, 0x60, 0x38, 0x60, 0x66, 0x3C, 0x00 }, /* 3 */
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82 { 0x30, 0x38, 0x3C, 0x36, 0x7E, 0x30, 0x30, 0x00 }, /* 4 */
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83 { 0x7E, 0x06, 0x3E, 0x60, 0x60, 0x66, 0x3C, 0x00 }, /* 5 */
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84 { 0x38, 0x0C, 0x06, 0x3E, 0x66, 0x66, 0x3C, 0x00 }, /* 6 */
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85 { 0x7E, 0x60, 0x30, 0x18, 0x0C, 0x0C, 0x0C, 0x00 }, /* 7 */
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86 { 0x3C, 0x66, 0x66, 0x3C, 0x66, 0x66, 0x3C, 0x00 }, /* 8 */
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87 { 0x3C, 0x66, 0x66, 0x7C, 0x60, 0x30, 0x1C, 0x00 }, /* 9 */
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88 { 0x00, 0x00, 0x18, 0x18, 0x00, 0x18, 0x18, 0x00 }, /* : */
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89 { 0x00, 0x00, 0x18, 0x18, 0x00, 0x18, 0x18, 0x0C }, /* ; */
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90 { 0x30, 0x18, 0x0C, 0x06, 0x0C, 0x18, 0x30, 0x00 }, /* < */
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91 { 0x00, 0x00, 0x7E, 0x00, 0x7E, 0x00, 0x00, 0x00 }, /* = */
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92 { 0x0C, 0x18, 0x30, 0x60, 0x30, 0x18, 0x0C, 0x00 }, /* > */
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93 { 0x3C, 0x66, 0x30, 0x18, 0x18, 0x00, 0x18, 0x00 }, /* ? */
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94 { 0x3C, 0x66, 0x76, 0x56, 0x76, 0x06, 0x3C, 0x00 }, /* @ */
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95 { 0x3C, 0x66, 0x66, 0x7E, 0x66, 0x66, 0x66, 0x00 }, /* A */
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96 { 0x3E, 0x66, 0x66, 0x3E, 0x66, 0x66, 0x3E, 0x00 }, /* B */
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97 { 0x3C, 0x66, 0x06, 0x06, 0x06, 0x66, 0x3C, 0x00 }, /* C */
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98 { 0x1E, 0x36, 0x66, 0x66, 0x66, 0x36, 0x1E, 0x00 }, /* D */
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99 { 0x7E, 0x06, 0x06, 0x3E, 0x06, 0x06, 0x7E, 0x00 }, /* E */
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100 { 0x7E, 0x06, 0x06, 0x3E, 0x06, 0x06, 0x06, 0x00 }, /* F */
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101 { 0x3C, 0x66, 0x06, 0x76, 0x66, 0x66, 0x3C, 0x00 }, /* G */
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102 { 0x66, 0x66, 0x66, 0x7E, 0x66, 0x66, 0x66, 0x00 }, /* H */
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103 { 0x7E, 0x18, 0x18, 0x18, 0x18, 0x18, 0x7E, 0x00 }, /* I */
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104 { 0x7C, 0x30, 0x30, 0x30, 0x30, 0x36, 0x1C, 0x00 }, /* J */
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105 { 0x66, 0x36, 0x1E, 0x0E, 0x1E, 0x36, 0x66, 0x00 }, /* K */
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106 { 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x7E, 0x00 }, /* L */
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107 { 0xC6, 0xEE, 0xFE, 0xD6, 0xD6, 0xC6, 0xC6, 0x00 }, /* M */
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108 { 0x66, 0x66, 0x6E, 0x7E, 0x76, 0x66, 0x66, 0x00 }, /* N */
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109 { 0x3C, 0x66, 0x66, 0x66, 0x66, 0x66, 0x3C, 0x00 }, /* O */
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110 { 0x3E, 0x66, 0x66, 0x3E, 0x06, 0x06, 0x06, 0x00 }, /* P */
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111 { 0x3C, 0x66, 0x66, 0x66, 0x56, 0x36, 0x6C, 0x00 }, /* Q */
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112 { 0x3E, 0x66, 0x66, 0x3E, 0x36, 0x66, 0x66, 0x00 }, /* R */
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113 { 0x3C, 0x66, 0x06, 0x3C, 0x60, 0x66, 0x3C, 0x00 }, /* S */
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114 { 0x7E, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x00 }, /* T */
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115 { 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x3C, 0x00 }, /* U */
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116 { 0x66, 0x66, 0x66, 0x66, 0x66, 0x3C, 0x18, 0x00 }, /* V */
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117 { 0xC6, 0xC6, 0xD6, 0xD6, 0xFE, 0xEE, 0xC6, 0x00 }, /* W */
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118 { 0x66, 0x66, 0x3C, 0x18, 0x3C, 0x66, 0x66, 0x00 }, /* X */
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119 { 0x66, 0x66, 0x66, 0x3C, 0x18, 0x18, 0x18, 0x00 }, /* Y */
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120 { 0x7E, 0x60, 0x30, 0x18, 0x0C, 0x06, 0x7E, 0x00 }, /* Z */
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121 { 0x3E, 0x06, 0x06, 0x06, 0x06, 0x06, 0x3E, 0x00 }, /* [ */
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122 { 0x00, 0x06, 0x0C, 0x18, 0x30, 0x60, 0x00, 0x00 }, /* \ */
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123 { 0x7C, 0x60, 0x60, 0x60, 0x60, 0x60, 0x7C, 0x00 }, /* ] */
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124 { 0x3C, 0x66, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, /* ^ */
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125 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF }, /* _ */
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126 { 0x0C, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, /* ` */
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127 { 0x00, 0x00, 0x3C, 0x60, 0x7C, 0x66, 0x7C, 0x00 }, /* a */
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128 { 0x06, 0x06, 0x3E, 0x66, 0x66, 0x66, 0x3E, 0x00 }, /* b */
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129 { 0x00, 0x00, 0x3C, 0x66, 0x06, 0x66, 0x3C, 0x00 }, /* c */
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130 { 0x60, 0x60, 0x7C, 0x66, 0x66, 0x66, 0x7C, 0x00 }, /* d */
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131 { 0x00, 0x00, 0x3C, 0x66, 0x7E, 0x06, 0x3C, 0x00 }, /* e */
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132 { 0x38, 0x0C, 0x0C, 0x3E, 0x0C, 0x0C, 0x0C, 0x00 }, /* f */
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133 { 0x00, 0x00, 0x7C, 0x66, 0x66, 0x7C, 0x60, 0x3C }, /* g */
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134 { 0x06, 0x06, 0x3E, 0x66, 0x66, 0x66, 0x66, 0x00 }, /* h */
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135 { 0x18, 0x00, 0x1C, 0x18, 0x18, 0x18, 0x3C, 0x00 }, /* i */
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136 { 0x18, 0x00, 0x1C, 0x18, 0x18, 0x18, 0x18, 0x0E }, /* j */
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137 { 0x06, 0x06, 0x66, 0x36, 0x1E, 0x36, 0x66, 0x00 }, /* k */
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138 { 0x1C, 0x18, 0x18, 0x18, 0x18, 0x18, 0x3C, 0x00 }, /* l */
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139 { 0x00, 0x00, 0x6C, 0xFE, 0xD6, 0xD6, 0xC6, 0x00 }, /* m */
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140 { 0x00, 0x00, 0x3E, 0x66, 0x66, 0x66, 0x66, 0x00 }, /* n */
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141 { 0x00, 0x00, 0x3C, 0x66, 0x66, 0x66, 0x3C, 0x00 }, /* o */
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142 { 0x00, 0x00, 0x3E, 0x66, 0x66, 0x3E, 0x06, 0x06 }, /* p */
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143 { 0x00, 0x00, 0x7C, 0x66, 0x66, 0x7C, 0x60, 0xE0 }, /* q */
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144 { 0x00, 0x00, 0x36, 0x6E, 0x06, 0x06, 0x06, 0x00 }, /* r */
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145 { 0x00, 0x00, 0x7C, 0x06, 0x3C, 0x60, 0x3E, 0x00 }, /* s */
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146 { 0x0C, 0x0C, 0x3E, 0x0C, 0x0C, 0x0C, 0x38, 0x00 }, /* t */
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147 { 0x00, 0x00, 0x66, 0x66, 0x66, 0x66, 0x7C, 0x00 }, /* u */
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148 { 0x00, 0x00, 0x66, 0x66, 0x66, 0x3C, 0x18, 0x00 }, /* v */
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149 { 0x00, 0x00, 0xC6, 0xD6, 0xD6, 0xFE, 0x6C, 0x00 }, /* w */
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150 { 0x00, 0x00, 0x66, 0x3C, 0x18, 0x3C, 0x66, 0x00 }, /* x */
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151 { 0x00, 0x00, 0x66, 0x66, 0x66, 0x7C, 0x60, 0x3C }, /* y */
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152 { 0x00, 0x00, 0x7E, 0x30, 0x18, 0x0C, 0x7E, 0x00 }, /* z */
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153 { 0x30, 0x18, 0x18, 0x0E, 0x18, 0x18, 0x30, 0x00 }, /* { */
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154 { 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x00 }, /* | */
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155 { 0x0C, 0x18, 0x18, 0x70, 0x18, 0x18, 0x0C, 0x00 }, /* } */
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156 { 0x8C, 0xD6, 0x62, 0x00, 0x00, 0x00, 0x00, 0x00 } /* ~ */
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157 };
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158
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159 // Physical screen info
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160 int lcd_depth; // Should be 1, 2, or 4
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161 int lcd_width = 320;
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162 int lcd_height = 240;
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163 cyg_uint8 *lcd_base = 0xC0000000;
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164
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165 // Virtual screen info
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166 int curX = 0; // Last used position
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167 int curY = 0;
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168 int width = 320 / FONT_WIDTH;
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169 int height = 240 / FONT_HEIGHT;
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170 int fg = 0x0F;
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171 int bg = 0x00;
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172
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173 // FUNCTIONS
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174
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175 static void
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176 cyg_test_exit(void)
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177 {
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178 while (TRUE) ;
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179 }
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180
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181 void
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182 lcd_on(int depth)
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183 {
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184 cyg_int32 ctl_word;
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185 lcd_depth = depth;
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186 switch (depth) {
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187 case 1:
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188 *(volatile cyg_int32 *)PALLSW = 0xF0F0F0F0;
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189 *(volatile cyg_int32 *)PALMSW = 0xF0F0F0F0;
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190 ctl_word = 0;
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191 break;
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192 case 2:
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193 *(volatile cyg_int32 *)PALLSW = 0xFA50FA50;
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194 *(volatile cyg_int32 *)PALMSW = 0xFA50FA50;
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195 ctl_word = LCDCON_GSEN;
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196 break;
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197 case 4:
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198 *(volatile cyg_int32 *)PALLSW = 0x76543210;
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199 *(volatile cyg_int32 *)PALMSW = 0xFEDCBA98;
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200 ctl_word = LCDCON_GSEN | LCDCON_GSMD;
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201 break;
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202 }
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203 // Video buffer size
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204 ctl_word |= ((lcd_width * lcd_height * lcd_depth) / 128 - 1) << LCDCON_BUFSIZ_S;
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205 // Line length
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206 ctl_word |= ((lcd_width / 16) - 1) << LCDCON_LINE_LENGTH_S;
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207 // Pixel prescale
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208 ctl_word |= ((526628 / (lcd_height * lcd_width)) - 1) << LCDCON_PIX_PRESCALE_S;
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209 // AC frequency bias
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210 ctl_word |= 0 << LCDCON_AC_PRESCALE_S;
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211 *(volatile cyg_int32 *)LCDCON = ctl_word;
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212 diag_printf("Depth: %d, ctl: %x\n", depth, ctl_word);
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213
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214 *(volatile cyg_uint8 *)PDDR = 0x20; // Enable video
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215 *(volatile cyg_uint8 *)PEDDR = 0x0F; // Register E data direction
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216 *(volatile cyg_uint8 *)PEDR |= 0x01; // Enable PE2
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217
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218 *(volatile cyg_uint32 *)PMPCON = 0x500; // Enable DC-to-DC pump #1
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219
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220 *(volatile cyg_uint8 *)FRBADDR = 0x0C; // Highest order nibble of LCD frame address
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221
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222 *(volatile cyg_uint32 *)SYSCON1 |= SYSCON1_LCDEN;
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223 }
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224
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225 // Clear screen
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226 static void
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227 lcd_clear(void)
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228 {
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229 cyg_int8 *ptr = lcd_base;
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230 int i;
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231 for (i = 0; i < (lcd_width*lcd_height*lcd_depth)/8; i++) {
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232 *ptr++ = 0;
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233 }
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234 curX = 0; curY = 0;
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235 }
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236
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237 // Render a character at position (X,Y) with current background/foreground
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238 static void
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239 lcd_drawc(cyg_int8 c, int x, int y)
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240 {
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241 // Note: this only works for fonts which are a multiple of 8 bits wide!
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242 cyg_uint8 *bufptr, bits;
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243 int l, p;
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244 switch (lcd_depth) {
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245 case 1:
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246 bufptr = lcd_base + ((y * FONT_HEIGHT * (lcd_width*lcd_depth)) + (x * FONT_WIDTH)) / 8;
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247 for (l = 0; l < FONT_HEIGHT; l++) {
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248 *bufptr = font_table[c][l];
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249 bufptr += (lcd_width*lcd_depth)/8;
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250 }
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251 break;
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252 case 2:
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253 diag_printf("Depth 2 not implemented\n");
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254 break;
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255 case 4:
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256 bufptr = lcd_base + ((y * FONT_HEIGHT * (lcd_width*lcd_depth)) + (x * FONT_WIDTH * lcd_depth)) / 8;
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257 for (l = 0; l < FONT_HEIGHT; l++) {
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258 bits = font_table[c][l];
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259 for (p = 0; p < 8; p += 2) {
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260 // switch ((bits>>6) & 0x03) {
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261 switch (bits & 0x03) {
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262 case 0:
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263 *bufptr++ = (bg << 4) | bg;
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264 break;
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265 case 1:
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266 *bufptr++ = (bg << 4) | fg;
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267 break;
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268 case 2:
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269 *bufptr++ = (fg << 4) | bg;
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270 break;
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271 case 3:
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272 *bufptr++ = (fg << 4) | fg;
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273 break;
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274 }
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275 bits >>= 2;
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276 // bits <<= 2;
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277 }
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278 bufptr += (lcd_width*lcd_depth)/8 - 4;;
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279 }
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280 break;
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281 }
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282 }
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283
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284 static void
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285 lcd_putc(cyg_int8 c)
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286 {
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287 switch (c) {
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288 case '\r':
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289 curX = 0;
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290 break;
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291 case '\n':
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292 curY++;
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293 break;
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294 case '\b':
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295 curX--;
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296 if (curX < 0) {
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297 curY--;
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298 if (curY < 0) curY = 0;
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299 curX = width-1;
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300 }
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301 default:
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302 lcd_drawc(c, curX, curY);
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303 curX++;
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304 if (curX == width) {
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305 curY++;
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306 curX = 0;
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307 }
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308 }
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309 }
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310
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311 static void
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312 lcd_test(int depth)
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313 {
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314 int i, j;
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315 diag_printf("Set depth %d\n", depth);
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316 lcd_on(depth);
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317 lcd_clear();
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318 for (j = 0; j < 5; j++) {
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319 for (i = 0; i < width; i++) {
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320 lcd_putc('A');
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321 }
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322 }
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323 lcd_putc('\n');
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324 lcd_putc('\n');
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325 cyg_thread_delay(5*100);
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326 for (j = 0; j < 5; j++) {
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327 for (i = FIRST_CHAR; i <= LAST_CHAR; i++) {
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328 lcd_putc(i);
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329 }
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330 }
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331 cyg_thread_delay(5*100);
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332 }
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333
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334 static void
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335 lcd_exercise(void)
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336 {
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337 diag_printf("LCD test here!\n");
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338
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339 lcd_test(1);
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340 // lcd_test(2);
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341 lcd_test(4);
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342
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343 diag_printf("All done!\n");
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344 cyg_test_exit();
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345 }
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346
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347 externC void
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348 cyg_start( void )
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349 {
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350 // Create a main thread, so we can run the scheduler and have time 'pass'
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351 cyg_thread_create(10, // Priority - just a number
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352 lcd_exercise, // entry
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353 1, // index
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354 "LCD_test_thread", // Name
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355 &stack[0], // Stack
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356 STACK_SIZE, // Size
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357 &thread_handle, // Handle
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358 &thread_data // Thread data structure
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359 );
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360 cyg_thread_resume(thread_handle); // Start it
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361 cyg_scheduler_start();
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362 } // cyg_package_start()
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363