114 EEdgeFalling, |
106 EEdgeFalling, |
115 EEdgeRising, |
107 EEdgeRising, |
116 EEdgeBoth |
108 EEdgeBoth |
117 }; |
109 }; |
118 |
110 |
119 /** |
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120 Enumeration TGpioBaseId defines the highest 16 bits of 32 bit GPIO Id |
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121 to identify the GPIO hardware block: |
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122 - EInternalId - The SOC GPIO hardware block (and any extender that is |
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123 covered by the vendor supplied implementation) supports |
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124 pin ids from 0-65535 |
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125 - EExtender0-15 - Up to 16 3rd party extenders (each supporting up |
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126 to 65536 pins) can be used. |
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127 */ |
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128 enum TGpioBaseId |
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129 { |
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130 EInternalId = 0x00000000, |
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131 EExtender0 = 0x00010000, |
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132 EExtender1 = 0x00020000, |
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133 EExtender2 = 0x00040000, |
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134 EExtender3 = 0x00080000, |
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135 EExtender4 = 0x00100000, |
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136 EExtender5 = 0x00200000, |
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137 EExtender6 = 0x00400000, |
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138 EExtender7 = 0x00800000, |
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139 EExtender8 = 0x01000000, |
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140 EExtender9 = 0x02000000, |
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141 EExtender10 = 0x04000000, |
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142 EExtender11 = 0x08000000, |
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143 EExtender12 = 0x10000000, |
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144 EExtender13 = 0x20000000, |
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145 EExtender14 = 0x40000000, |
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146 EExtender15 = 0x80000000 |
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147 }; |
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148 |
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149 |
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150 |
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151 /** |
111 /** |
152 Sets the pin mode. |
112 Sets the pin mode. |
153 |
113 |
154 @param aId The pin Id. |
114 @param aId The pin Id. |
155 @param aMode The pin mode. |
115 @param aMode The pin mode. |
238 */ |
198 */ |
239 IMPORT_C static TInt SetPinIdleConfigurationAndState(TInt aId, TInt aConf); |
199 IMPORT_C static TInt SetPinIdleConfigurationAndState(TInt aId, TInt aConf); |
240 |
200 |
241 /** |
201 /** |
242 Reads the pin idle configuration and state. |
202 Reads the pin idle configuration and state. |
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203 |
243 @param aId The pin Id. |
204 @param aId The pin Id. |
244 @param aConf On return contains the idle configuration and state previoulsy |
205 @param aConf On return contains the idle configuration and state previoulsy |
245 set on the pin. |
206 set on the pin. |
246 |
207 |
247 @return KErrNone, if successful; |
208 @return KErrNone, if successful; |
279 KErrArgument, if aId is invalid; |
240 KErrArgument, if aId is invalid; |
280 KErrNotSupported if pin does not support interrupts; |
241 KErrNotSupported if pin does not support interrupts; |
281 KErrGeneral, if there is no ISR bound to this interrupt. |
242 KErrGeneral, if there is no ISR bound to this interrupt. |
282 */ |
243 */ |
283 IMPORT_C static TInt UnbindInterrupt(TInt aId); |
244 IMPORT_C static TInt UnbindInterrupt(TInt aId); |
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245 |
284 /** |
246 /** |
285 Enables the interrupt on specified pin. |
247 Enables the interrupt on specified pin. |
286 |
248 |
287 @param aId The pin Id. |
249 @param aId The pin Id. |
288 |
250 |
290 KErrArgument, if aId is invalid; |
252 KErrArgument, if aId is invalid; |
291 KErrNotSupported if pin does not support interrupts; |
253 KErrNotSupported if pin does not support interrupts; |
292 KErrGeneral, if there is no ISR bound to this interrupt. |
254 KErrGeneral, if there is no ISR bound to this interrupt. |
293 */ |
255 */ |
294 IMPORT_C static TInt EnableInterrupt(TInt aId); |
256 IMPORT_C static TInt EnableInterrupt(TInt aId); |
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257 |
295 /** |
258 /** |
296 Disables the interrupt on specified pin. |
259 Disables the interrupt on specified pin. |
297 |
260 |
298 @param aId The pin Id. |
261 @param aId The pin Id. |
299 |
262 |
493 |
456 |
494 @return KErrNone, if accepted; |
457 @return KErrNone, if accepted; |
495 KErrArgument, if aId is invalid. |
458 KErrArgument, if aId is invalid. |
496 KErrNotSupported, if reading the state asynchronously is not supported. |
459 KErrNotSupported, if reading the state asynchronously is not supported. |
497 |
460 |
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461 This API should be used with off-chip GPIO modules only; |
498 The result of the read operation and the state of the input pin will be passed as an argument to the callback function; |
462 The result of the read operation and the state of the input pin will be passed as an argument to the callback function; |
499 */ |
463 */ |
500 IMPORT_C static TInt GetInputState(TInt aId, TGpioCallback* aCb); |
464 IMPORT_C static TInt GetInputState(TInt aId, TGpioCallback* aCb); |
501 |
465 |
502 /** |
466 /** |
508 |
472 |
509 @return KErrNone, if accepted; |
473 @return KErrNone, if accepted; |
510 KErrArgument, if aId is invalid; |
474 KErrArgument, if aId is invalid; |
511 KErrNotSupported, if setting its state asynchronously is not supported. |
475 KErrNotSupported, if setting its state asynchronously is not supported. |
512 |
476 |
513 |
477 This API should be used with off-chip GPIO modules only; |
514 The result of the set operation will be passed as an argument to the callback function; |
478 The result of the set operation will be passed as an argument to the callback function; |
515 */ |
479 */ |
516 IMPORT_C static TInt SetOutputState(TInt aId, TGpioState aState, TGpioCallback* aCb); |
480 IMPORT_C static TInt SetOutputState(TInt aId, TGpioState aState, TGpioCallback* aCb); |
517 |
481 |
518 /** |
482 /** |