FreeCalypso > hg > fc-tourmaline
annotate src/cs/drivers/drv_app/r2d/lcds/E_Sample/lcd_if32.c @ 217:6541e43f88e5
R2D display on/off control implemented
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sat, 24 Apr 2021 23:38:18 +0000 |
parents | 4e78acac3d88 |
children |
rev | line source |
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0
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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1 /****************************************************************************** |
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2 * WIRELESS COMMUNICATION SYSTEM DEVELOPMENT |
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3 * |
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4 * (C) 2002 Texas Instruments France. All rights reserved |
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5 * |
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6 * Author : Philippe MARTINEZ |
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7 * |
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8 * |
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9 * Important Note |
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10 * -------------- |
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parents:
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11 * |
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12 * This S/W is a preliminary version. It contains information on a product |
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13 * under development and is issued for evaluation purposes only. Features |
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14 * characteristics, data and other information are subject to change. |
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15 * |
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16 * The S/W is furnished under Non Disclosure Agreement and may be used or |
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17 * copied only in accordance with the terms of the agreement. It is an offence |
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18 * to copy the software in any way except as specifically set out in the |
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19 * agreement. No part of this document may be reproduced or transmitted in any |
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20 * form or by any means, electronic or mechanical, including photocopying and |
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21 * recording, for any purpose without the express written permission of Texas |
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22 * Instruments Inc. |
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23 * |
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24 ****************************************************************************** |
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25 * |
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26 * FILE NAME: lcd_if32.c |
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parents:
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27 * |
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parents:
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28 * |
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29 * PURPOSE: LCD Interface driver compiled in 32-bits mode (ARM mode) |
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30 * |
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31 * |
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parents:
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32 * FILE REFERENCES: |
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33 * |
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34 * Name IO Description |
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parents:
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35 * ------------- -- --------------------------------------------- |
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36 * |
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parents:
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37 * |
4e78acac3d88
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parents:
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38 * |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
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parents:
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39 * EXTERNAL VARIABLES: |
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parents:
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40 * |
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41 * Source: |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
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parents:
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42 * |
4e78acac3d88
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parents:
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43 * Name Type IO Description |
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parents:
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44 * ------------- --------------- -- ------------------------------ |
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parents:
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45 * |
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parents:
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46 * |
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parents:
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47 * |
4e78acac3d88
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parents:
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48 * EXTERNAL REFERENCES: |
4e78acac3d88
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parents:
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49 * |
4e78acac3d88
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parents:
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50 * Name Description |
4e78acac3d88
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parents:
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51 * ------------------ ------------------------------------------------------- |
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52 * |
4e78acac3d88
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parents:
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53 * |
4e78acac3d88
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parents:
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54 * |
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parents:
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55 * ABNORMAL TERMINATION CONDITIONS, ERROR AND WARNING MESSAGES: |
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56 * |
4e78acac3d88
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parents:
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57 * |
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parents:
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58 * |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
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parents:
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59 * ASSUMPTION, CONSTRAINTS, RESTRICTIONS: |
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parents:
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60 * |
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parents:
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61 * |
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parents:
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62 * |
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63 * NOTES: |
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64 * |
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parents:
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65 * |
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66 * |
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67 * REQUIREMENTS/FUNCTIONAL SPECIFICATION REFERENCES: |
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68 * |
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69 * |
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70 * |
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71 * |
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72 * DEVELOPMENT HISTORY: |
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73 * |
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74 * Date Name(s) Version Description |
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75 * ----------- -------------- ------- ------------------------------------- |
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76 * 30-Oct-2002 Philippe MARTINEZ 0.0.1 First implementation |
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77 * |
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78 * ALGORITHM: |
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79 * |
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80 * |
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81 *****************************************************************************/ |
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82 |
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83 #include "r2d/lcds/e_sample/lcd_if.h" |
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84 |
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85 /**************************************************************************** |
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86 * GLOBAL VARIABLES REFERENCE |
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87 ***************************************************************************/ |
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88 |
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89 /* internal structure instance */ |
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90 |
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91 extern T_LCD_IF_INTERNAL d_lcd_if_internal; |
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92 |
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93 #if (CHIPSET == 12) |
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94 |
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95 /****************************************************************************** |
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96 * |
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97 * FUNCTION NAME: f_lcd_if_it_handler |
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98 * |
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99 * LCD Interface Interrupt Handler. |
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100 * |
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101 * |
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102 * ARGUMENT LIST: |
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103 * |
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104 * Argument Type IO Description |
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105 * ------------ ------------------- -- --------------------------------- |
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106 * None |
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107 * |
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108 * RETURN VALUE: None |
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109 * |
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110 *****************************************************************************/ |
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111 |
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112 void f_lcd_if_it_handler( void ) |
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113 { |
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114 |
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115 E_LCD_IF_CALLBACK_RET d_status; |
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116 SYS_UWORD32 d_nb_words_in_loop = 0; |
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117 SYS_UWORD8 i = 0; |
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118 |
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119 |
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120 /* check the d_interrupt_state value and the buffer */ |
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121 |
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122 if( (d_lcd_if_internal.d_interrupt_state == C_LCD_IF_IT_BUFF) && |
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123 (d_lcd_if_internal.d_cs_struct[d_lcd_if_internal.d_current_cs].d_tx.d_buffer_size != 0) ) |
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124 { |
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125 /* Copy up to C_LCD_IF_TX_FIFO_SIZE words into the TX FIFO. */ |
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126 |
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127 if( d_lcd_if_internal.d_cs_struct[d_lcd_if_internal.d_current_cs].d_tx.d_buffer_size >= C_LCD_IF_TX_FIFO_SIZE) |
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128 { |
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129 d_nb_words_in_loop = C_LCD_IF_TX_FIFO_SIZE; |
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130 } |
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131 else |
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132 { |
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133 d_nb_words_in_loop = d_lcd_if_internal.d_cs_struct[d_lcd_if_internal.d_current_cs].d_tx.d_buffer_size; |
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134 } // End if |
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135 |
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136 for( i=0; i<d_nb_words_in_loop ;i++ ) |
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137 { |
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138 F_LCD_IF_WRITE_IN_FIFO( d_lcd_if_internal.d_cs_struct[d_lcd_if_internal.d_current_cs].d_tx.p_buffer[i] ); |
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139 } // End for |
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140 |
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141 /* update d_nb_words_to copy and p_buffer */ |
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142 d_lcd_if_internal.d_cs_struct[d_lcd_if_internal.d_current_cs].d_tx.d_buffer_size -= d_nb_words_in_loop; |
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143 d_lcd_if_internal.d_cs_struct[d_lcd_if_internal.d_current_cs].d_tx.p_buffer += d_nb_words_in_loop; |
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144 |
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145 } |
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146 else |
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147 { |
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148 /* Call the callback function */ |
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149 d_status = (*d_lcd_if_internal.d_cs_struct[d_lcd_if_internal.d_current_cs].d_tx.p_callback)(); |
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150 |
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151 /* disable the LCD Interface TX FIFO if needed */ |
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152 if( d_status == C_LCD_IF_CALLBACK_DISABLE_IT) |
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153 { |
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154 F_LCD_IF_DISABLE_TX_FIFO_EMPTY_IT; |
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155 |
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156 /* set internal state to IDLE */ |
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157 d_lcd_if_internal.d_interrupt_state = C_LCD_IF_IDLE; |
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158 } // End if |
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159 |
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160 } // End if |
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161 |
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162 } /* f_lcd_if_it_handler */ |
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163 |
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164 #endif |