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1 | 32 | kaklik | /***************************************************************************** |
2 | * Module for Microchip Graphics Library |
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3 | * Himax. HX8257 TCON driver |
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4 | ***************************************************************************** |
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5 | * FileName: TCON_HX8257.c |
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6 | * Dependencies: Graphics.h |
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7 | * Processor: PIC24, PIC32 |
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8 | * Compiler: MPLAB C30, MPLAB C32 |
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9 | * Linker: MPLAB LINK30, MPLAB LINK32 |
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10 | * Company: Microchip Technology Incorporated |
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11 | * |
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12 | * Software License Agreement |
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13 | * |
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14 | * Copyright © 2008 Microchip Technology Inc. All rights reserved. |
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15 | * Microchip licenses to you the right to use, modify, copy and distribute |
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16 | * Software only when embedded on a Microchip microcontroller or digital |
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17 | * signal controller, which is integrated into your product or third party |
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18 | * product (pursuant to the sublicense terms in the accompanying license |
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19 | * agreement). |
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20 | * |
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21 | * You should refer to the license agreement accompanying this Software |
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22 | * for additional information regarding your rights and obligations. |
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23 | * |
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24 | * SOFTWARE AND DOCUMENTATION ARE PROVIDED AS IS WITHOUT WARRANTY OF ANY |
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25 | * KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION, ANY WARRANTY |
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26 | * OF MERCHANTABILITY, TITLE, NON-INFRINGEMENT AND FITNESS FOR A PARTICULAR |
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27 | * PURPOSE. IN NO EVENT SHALL MICROCHIP OR ITS LICENSORS BE LIABLE OR |
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28 | * OBLIGATED UNDER CONTRACT, NEGLIGENCE, STRICT LIABILITY, CONTRIBUTION, |
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29 | * BREACH OF WARRANTY, OR OTHER LEGAL EQUITABLE THEORY ANY DIRECT OR INDIRECT |
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30 | * DAMAGES OR EXPENSES INCLUDING BUT NOT LIMITED TO ANY INCIDENTAL, SPECIAL, |
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31 | * INDIRECT, PUNITIVE OR CONSEQUENTIAL DAMAGES, LOST PROFITS OR LOST DATA, |
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32 | * COST OF PROCUREMENT OF SUBSTITUTE GOODS, TECHNOLOGY, SERVICES, OR ANY |
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33 | * CLAIMS BY THIRD PARTIES (INCLUDING BUT NOT LIMITED TO ANY DEFENSE THEREOF), |
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34 | * OR OTHER SIMILAR COSTS. |
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35 | * |
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36 | * Author Date Comment |
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37 | *~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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38 | * Anton Alkhimenok 01/12/09 |
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39 | *****************************************************************************/ |
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40 | #include "Graphics\Graphics.h" |
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41 | |||
42 | #define CS 0x01 |
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43 | #define SCL 0x02 |
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44 | #define SDO 0x04 |
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45 | |||
46 | BYTE value; |
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47 | |||
48 | /* */ |
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49 | |||
50 | void TCON_Delay(void) |
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51 | { |
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52 | WORD timeOut; |
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53 | timeOut = 200; |
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54 | while(timeOut--); |
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55 | } |
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56 | |||
57 | /* */ |
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58 | void TCON_CTRL(BYTE mask, BYTE level) |
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59 | { |
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60 | if(level == 0) |
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61 | { |
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62 | value &= ~mask; |
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63 | } |
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64 | else |
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65 | { |
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66 | value |= mask; |
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67 | } |
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68 | |||
69 | SetReg(0xAC, value); |
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70 | } |
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71 | |||
72 | /* */ |
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73 | void TCONWriteByte(BYTE value) |
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74 | { |
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75 | BYTE mask; |
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76 | |||
77 | mask = 0x80; |
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78 | while(mask) |
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79 | { |
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80 | TCON_CTRL(SCL, 0); |
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81 | TCON_Delay(); |
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82 | if(mask & value) |
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83 | { |
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84 | TCON_CTRL(SDO, 1); |
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85 | } |
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86 | else |
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87 | { |
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88 | TCON_CTRL(SDO, 0); |
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89 | } |
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90 | |||
91 | TCON_CTRL(SCL, 1); |
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92 | mask >>= 1; |
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93 | } |
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94 | } |
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95 | |||
96 | /* */ |
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97 | void GPIO_TCON(WORD index, WORD value) |
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98 | { |
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99 | TCON_CTRL(CS, 0); |
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100 | |||
101 | // Index |
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102 | TCONWriteByte(0x70); |
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103 | TCONWriteByte(((WORD_VAL) index).v[1]); |
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104 | TCONWriteByte(((WORD_VAL) index).v[0]); |
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105 | |||
106 | TCON_CTRL(CS, 1); |
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107 | TCON_Delay(); |
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108 | TCON_CTRL(CS, 0); |
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109 | |||
110 | // Data |
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111 | TCONWriteByte(0x72); |
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112 | TCONWriteByte(((WORD_VAL) value).v[1]); |
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113 | TCONWriteByte(((WORD_VAL) value).v[0]); |
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114 | TCON_CTRL(CS, 1); |
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115 | TCON_Delay(); |
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116 | } |
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117 | |||
118 | /* */ |
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119 | void TCON_Init(void) |
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120 | { |
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121 | SetReg(0xA8, CS | SDO | SCL); |
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122 | TCON_CTRL(CS, 1); |
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123 | TCON_CTRL(SDO, 1); |
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124 | TCON_CTRL(SCL, 1); |
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125 | |||
126 | DelayMs(20); |
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127 | GPIO_TCON(0x0006, 0x2020); |
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128 | DelayMs(20); |
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129 | } |
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