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annotate src/gpf2/inc/gsi.h @ 1:864b8cc0cf63

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src/gpf2: preened GPF goo from TCS211
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 25 Sep 2016 23:38:58 +0000
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1
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1 #ifndef GSI_H
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2 #define GSI_H
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3 /*
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4 +-----------------------------------------------------------------------------
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5 | Project :
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6 | Modul :
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7 +-----------------------------------------------------------------------------
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8 | Copyright 2002 Texas Instruments Berlin, AG
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9 | All rights reserved.
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10 |
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11 | This file is confidential and a trade secret of Texas
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12 | Instruments Berlin, AG
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13 | The receipt of or possession of this file does not convey
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14 | any rights to reproduce or disclose its contents or to
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15 | manufacture, use, or sell anything it may describe, in
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16 | whole, or in part, without the specific written consent of
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17 | Texas Instruments Berlin, AG.
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18 +-----------------------------------------------------------------------------
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19 | Purpose : These definitions provide a driver interface to multiple serial
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20 | ports.
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21 +-----------------------------------------------------------------------------
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22 */
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23
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24
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25 /*==== INCLUDES =============================================================*/
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26
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27 #include <gdi.h>
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28
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29 /*==== DEFINITIONS ==========================================================*/
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30
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31 /*
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32 * Baud rates
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33 */
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34 #define GSI_BAUD_AUTO ( 1)
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35 #define GSI_BAUD_75 ( 2)
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36 #define GSI_BAUD_150 ( 3)
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37 #define GSI_BAUD_300 ( 4)
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38 #define GSI_BAUD_600 ( 5)
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39 #define GSI_BAUD_1200 ( 6)
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40 #define GSI_BAUD_2400 ( 7)
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41 #define GSI_BAUD_4800 ( 8)
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42 #define GSI_BAUD_7200 ( 9)
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43 #define GSI_BAUD_9600 (10)
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44 #define GSI_BAUD_14400 (11)
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45 #define GSI_BAUD_19200 (12)
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46 #define GSI_BAUD_28800 (13)
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47 #define GSI_BAUD_33900 (14)
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48 #define GSI_BAUD_38400 (15)
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49 #define GSI_BAUD_57600 (16)
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50 #define GSI_BAUD_115200 (17)
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51 #define GSI_BAUD_203125 (18)
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52 #define GSI_BAUD_406250 (19)
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53 #define GSI_BAUD_812500 (20)
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54
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55 /*
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56 * Bits per character
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57 */
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58 #define GSI_CHAR5 ( 5)
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59 #define GSI_CHAR6 ( 6)
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60 #define GSI_CHAR7 ( 7)
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61 #define GSI_CHAR8 ( 8)
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62
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63 /*
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64 * Stop bits
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65 */
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66 #define GSI_STOP1 ( 1)
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67 #define GSI_STOP15 (15)
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68 #define GSI_STOP2 ( 2)
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69
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70 /*
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71 * Parity bit
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72 */
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73 #define GSI_PARITYNO ( 1)
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74 #define GSI_PARITYODD ( 2)
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75 #define GSI_PARITYEVEN ( 3)
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76 #define GSI_PARITYSPACE ( 4)
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77
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78 /*
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79 * Flow control
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80 */
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81 #define GSI_FLOWNO ( 1)
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82 #define GSI_FLOWHW ( 2)
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83 #define GSI_FLOWSW ( 3)
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84
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85 /*
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86 * Bit positions
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87 */
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88 #define GSI_BRKLEN_POS ( 0)
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89 #define GSI_BRK_POS (25)
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90 #define GSI_DISC_POS (26)
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91 #define GSI_ESC_POS (27)
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92 #define GSI_RING_POS (28)
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93 #define GSI_X_POS (29)
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94 #define GSI_SB_POS (30)
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95 #define GSI_SA_POS (31)
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96
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97 /*
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98 * Bit masks
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99 */
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100 #define GSI_BRKLEN_MASK (255UL << GSI_BRKLEN_POS)
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101 #define GSI_BRK_MASK (1UL << GSI_BRK_POS)
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102 #define GSI_DISC_MASK (1UL << GSI_DISC_POS)
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103 #define GSI_ESC_MASK (1UL << GSI_ESC_POS)
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104 #define GSI_RING_MASK (1UL << GSI_RING_POS)
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105 #define GSI_X_MASK (1UL << GSI_X_POS)
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106 #define GSI_SB_MASK (1UL << GSI_SB_POS)
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107 #define GSI_SA_MASK (1UL << GSI_SA_POS)
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108
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109 /*
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110 * Size of the circular buffers used in the driver.
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111 */
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112 #define GSI_MAX_BUFFER_SIZE (512)
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113
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114 /*==== TYPES ================================================================*/
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115
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116 /*
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117 * Device Control Block
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118 */
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119 typedef struct {
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120 USHORT Baud;
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121 UBYTE DataBits;
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122 UBYTE StopBits;
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123 UBYTE Parity;
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124 UBYTE RxFlowControl;
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125 UBYTE TxFlowControl;
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126 USHORT RxBufferSize;
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127 USHORT TxBufferSize;
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parents:
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128 USHORT RxThreshold;
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parents:
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129 USHORT TxThreshold;
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parents:
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130 UBYTE XON;
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parents:
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131 UBYTE XOFF;
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132 UBYTE EscChar;
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133 USHORT GuardPeriod;
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parents:
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134 } T_GSI_DCB;
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135
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parents:
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136 /*==== FUNCTION PROTOTYPES ==================================================*/
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137
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138 #ifdef _TARGET_
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parents:
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139 /*
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parents:
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140 +------------------------------------------------------------------------------
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141 | Function : GSI_Init
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142 +------------------------------------------------------------------------------
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143 | Description : The function initializes the module and the connected serial
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144 | device.
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145 |
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146 | Parameters : DeviceNo - serial device number
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147 | DrvHandle - unique handle for this device
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148 | CallbackFunc - callback function for this device
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149 | DrvInfo - pointer to the driver parameters
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150 |
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151 | Return : DRV_OK - Initialization successful
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152 | DRV_INVALID_PARAMS - The specified device does not exist
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153 | DRV_INTERNAL_ERROR - Internal driver error
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154 | DRV_INITIALIZED - Driver already initialized
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155 |
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156 +------------------------------------------------------------------------------
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157 */
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158 extern USHORT GSI_Init (UBYTE DeviceNo,
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159 USHORT DrvHANDLE,
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160 T_DRV_CB_FUNC CallbackFunc,
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161 T_DRV_EXPORT **DrvInfo);
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162
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parents:
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163 /*
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parents:
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164 +------------------------------------------------------------------------------
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165 | Function : GSI_Exit
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parents:
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166 +------------------------------------------------------------------------------
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167 | Description : The function is called when the driver functionality is no
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168 | longer required. The driver terminates regardless of any
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169 | outstanding data to be sent.
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170 |
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171 | Parameters : DeviceNo - serial device number
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172 |
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173 | Return : no return value
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174 |
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175 +------------------------------------------------------------------------------
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parents:
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176 */
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177 extern void GSI_Exit (UBYTE DeviceNo);
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178
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parents:
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179 /*
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parents:
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180 +------------------------------------------------------------------------------
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181 | Function : GSI_Read
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parents:
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182 +------------------------------------------------------------------------------
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parents:
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183 | Description : This function copies received data into a caller provided
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184 | buffer and returns the line status. It should always return
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185 | immediately after copying the data, without waiting for any
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parents:
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186 | more data.
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187 |
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parents:
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188 | Parameters : DeviceNo - serial device number
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189 | Buffer - buffer to copy the data
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parents:
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190 | Length - On call: size of Buffer; On return: copied bytes
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parents:
diff changeset
191 | State - line states of the serial connection
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192 |
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193 | Return : DRV_OK - Function successful
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194 | DRV_INVALID_PARAMS - The specified device does not exist
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parents:
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195 | DRV_INTERNAL_ERROR - Internal driver error
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parents:
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196 | DRV_NOTCONFIGURED - The driver is not yet configured
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197 |
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198 +------------------------------------------------------------------------------
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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199 */
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parents:
diff changeset
200 extern USHORT GSI_Read (UBYTE DeviceNo,
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parents:
diff changeset
201 void *Buffer,
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parents:
diff changeset
202 USHORT *Length,
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
203 ULONG *State);
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parents:
diff changeset
204
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parents:
diff changeset
205 /*
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
206 +------------------------------------------------------------------------------
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
207 | Function : GSI_Write
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parents:
diff changeset
208 +------------------------------------------------------------------------------
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parents:
diff changeset
209 | Description : This functions copies the provided data into the buffer of the
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parents:
diff changeset
210 | driver and sets the line states. This function must return
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parents:
diff changeset
211 | immediately after copying, even if there is not enough space in
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parents:
diff changeset
212 | the driver buffer to copy all provided data.
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parents:
diff changeset
213 |
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parents:
diff changeset
214 | Parameters : DeviceNo - serial device number
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parents:
diff changeset
215 | Buffer - buffer containing the data
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parents:
diff changeset
216 | Length - On call: size of data; On return: copied bytes
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parents:
diff changeset
217 | State - line states of the serial connection
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parents:
diff changeset
218 | Mask - manipulated State bits
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parents:
diff changeset
219 |
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parents:
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220 | Return : DRV_OK - Function successful
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parents:
diff changeset
221 | DRV_INVALID_PARAMS - The specified device does not exist
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parents:
diff changeset
222 | DRV_INTERNAL_ERROR - Internal driver error
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parents:
diff changeset
223 | DRV_NOTCONFIGURED - The driver is not yet configured
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parents:
diff changeset
224 |
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parents:
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225 +------------------------------------------------------------------------------
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
226 */
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parents:
diff changeset
227 extern USHORT GSI_Write (UBYTE DeviceNo,
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parents:
diff changeset
228 void *Buffer,
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
229 USHORT *Length,
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
230 ULONG State,
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
231 ULONG Mask);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
232
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
233 /*
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
234 +------------------------------------------------------------------------------
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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235 | Function : GSI_Look
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
236 +------------------------------------------------------------------------------
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
237 | Description : This function copies received data into a caller provided
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
238 | buffer without delete the data in the driver buffer. It should
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parents:
diff changeset
239 | always return immediately after copying the data, without
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parents:
diff changeset
240 | waiting for any more data.
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
241 |
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parents:
diff changeset
242 | Parameters : DeviceNo - serial device number
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parents:
diff changeset
243 | Buffer - buffer to copy the data
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parents:
diff changeset
244 | Length - On call: size of Buffer; On return: copied bytes
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
245 | State - line states of the serial connection
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parents:
diff changeset
246 |
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parents:
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247 | Return : DRV_OK - Function successful
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parents:
diff changeset
248 | DRV_INVALID_PARAMS - The specified device does not exist
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parents:
diff changeset
249 | DRV_INTERNAL_ERROR - Internal driver error
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parents:
diff changeset
250 | DRV_NOTCONFIGURED - The driver is not yet configured
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parents:
diff changeset
251 |
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parents:
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252 +------------------------------------------------------------------------------
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
253 */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
254 extern USHORT GSI_Look (UBYTE DeviceNo,
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
255 void *Buffer,
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
256 USHORT *Length,
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diff changeset
257 ULONG *State);
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258
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259 /*
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260 +------------------------------------------------------------------------------
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261 | Function : GSI_Clear
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262 +------------------------------------------------------------------------------
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263 | Description : This function is used to clear the device internal buffers.
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264 |
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265 | Parameters : DeviceNo - serial device number
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266 | BufferType - buffer to be cleared
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267 |
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268 | Return : DRV_OK - Function successful
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269 | DRV_INVALID_PARAMS - The specified device does not exist
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270 | DRV_INTERNAL_ERROR - Internal driver error
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271 | DRV_INPROCESS - The driver is busy clearing the buffers
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272 |
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273 +------------------------------------------------------------------------------
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274 */
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275 extern USHORT GSI_Clear (UBYTE DeviceNo,
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276 USHORT BufferType);
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277
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278 /*
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279 +------------------------------------------------------------------------------
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280 | Function : GSI_Flush
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281 +------------------------------------------------------------------------------
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282 | Description : This function is used to flush the device internal transmit
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283 | buffer.
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284 |
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285 | Parameters : DeviceNo - serial device number
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286 |
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287 | Return : DRV_OK - Function successful
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288 | DRV_INVALID_PARAMS - The specified device does not exist
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289 | DRV_INTERNAL_ERROR - Internal driver error
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290 | DRV_INPROCESS - The driver is busy clearing the buffers
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291 | DRV_NOTCONFIGURED - The driver is not yet configured
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292 |
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293 +------------------------------------------------------------------------------
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parents:
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294 */
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295 extern USHORT GSI_Flush (UBYTE DeviceNo);
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296
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297 /*
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298 +------------------------------------------------------------------------------
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299 | Function : GSI_SetSignal
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300 +------------------------------------------------------------------------------
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301 | Description : This function enables indication signals from the driver. These
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302 | signals are sent via the device callback function.
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303 |
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304 | Parameters : DeviceNo - serial device number
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305 | SignalType - Signal type to be set
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306 |
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307 | Return : DRV_OK - Function successful
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diff changeset
308 | DRV_INVALID_PARAMS - parameters out of range
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parents:
diff changeset
309 | DRV_INTERNAL_ERROR - Internal driver error
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diff changeset
310 | DRV_SIGFCT_NOTAVAILABLE - no event signaling functionality
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311 |
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parents:
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312 +------------------------------------------------------------------------------
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parents:
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313 */
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314 extern USHORT GSI_SetSignal (UBYTE DeviceNo,
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diff changeset
315 USHORT SignalType);
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parents:
diff changeset
316
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317 /*
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parents:
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318 +------------------------------------------------------------------------------
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319 | Function : GSI_ResetSignal
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320 +------------------------------------------------------------------------------
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parents:
diff changeset
321 | Description : This function disables indication signals from the driver.
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diff changeset
322 |
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323 | Parameters : DeviceNo - serial device number
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parents:
diff changeset
324 | SignalType - Signal type to be reset
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325 |
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326 | Return : DRV_OK - Function successful
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diff changeset
327 | DRV_INVALID_PARAMS - parameters out of range
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parents:
diff changeset
328 | DRV_INTERNAL_ERROR - Internal driver error
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parents:
diff changeset
329 | DRV_SIGFCT_NOTAVAILABLE - no event signaling functionality
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parents:
diff changeset
330 |
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parents:
diff changeset
331 +------------------------------------------------------------------------------
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
332 */
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parents:
diff changeset
333 extern USHORT GSI_ResetSignal (UBYTE DeviceNo,
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
334 USHORT SignalType);
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parents:
diff changeset
335
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
336 /*
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
337 +------------------------------------------------------------------------------
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
338 | Function : GSI_SetConfig
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
339 +------------------------------------------------------------------------------
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
340 | Description : This function configures the serial device.
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
341 |
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parents:
diff changeset
342 | Parameters : DeviceNo - serial device number
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parents:
diff changeset
343 | DCBPtr - pointer to the driver control block
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parents:
diff changeset
344 |
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diff changeset
345 | Return : DRV_OK - Function successful
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parents:
diff changeset
346 | DRV_INVALID_PARAMS - parameters out of range
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parents:
diff changeset
347 | DRV_INTERNAL_ERROR - Internal driver error
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parents:
diff changeset
348 |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
349 +------------------------------------------------------------------------------
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
350 */
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parents:
diff changeset
351 extern USHORT GSI_SetConfig (UBYTE DeviceNo,
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parents:
diff changeset
352 T_GSI_DCB *DCBPtr);
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parents:
diff changeset
353
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
354 /*
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
355 +------------------------------------------------------------------------------
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
356 | Function : GSI_GetConfig
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
357 +------------------------------------------------------------------------------
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
358 | Description : This function reads the serial device configuration.
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
359 |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
360 | Parameters : DeviceNo - serial device number
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
361 | DCBPtr - pointer to the driver control block
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
362 |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
363 | Return : DRV_OK - Function successful
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
364 | DRV_INTERNAL_ERROR - Internal driver error
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
365 | DRV_NOTCONFIGURED - The driver is not yet configured
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
366 |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
367 +------------------------------------------------------------------------------
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
368 */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
369 extern USHORT GSI_GetConfig (UBYTE DeviceNo,
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
370 T_GSI_DCB *DCBPtr);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
371
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
372 /*
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
373 +------------------------------------------------------------------------------
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
374 | Function : GSI_Callback
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
375 +------------------------------------------------------------------------------
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
376 | Description : This function is needed for cascaded drivers. This function
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
377 | must not be confused with the parameter CallbackFunc passed to
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
378 | GSI_Init().
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
379 |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
380 | Parameters : Signal - pointer to the signal information data
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
381 |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
382 | Return : no return value
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
383 |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
384 +------------------------------------------------------------------------------
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
385 */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
386 extern void GSI_Callback (T_DRV_SIGNAL *Signal);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
387
864b8cc0cf63 src/gpf2: preened GPF goo from TCS211
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
388 #endif /* _TARGET_ */
864b8cc0cf63 src/gpf2: preened GPF goo from TCS211
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
389 #endif /* !GSI_H */