OpenCores
URL https://opencores.org/ocsvn/openrisc/openrisc/trunk

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [rtos/] [freertos-6.1.1/] [Demo/] [CORTEX_LM3S811_GCC/] [hw_include/] [gpio.c] - Blame information for rev 792

Go to most recent revision | Details | Compare with Previous | View Log

Line No. Rev Author Line
1 581 jeremybenn 
//*****************************************************************************
2 
//
3 
// gpio.c - API for GPIO ports
4 
//
5 
// Copyright (c) 2005,2006 Luminary Micro, Inc.  All rights reserved.
6 
//
7 
// Software License Agreement
8 
//
9 
// Luminary Micro, Inc. (LMI) is supplying this software for use solely and
10 
// exclusively on LMI's Stellaris Family of microcontroller products.
11 
//
12 
// The software is owned by LMI and/or its suppliers, and is protected under
13 
// applicable copyright laws.  All rights are reserved.  Any use in violation
14 
// of the foregoing restrictions may subject the user to criminal sanctions
15 
// under applicable laws, as well as to civil liability for the breach of the
16 
// terms and conditions of this license.
17 
//
18 
// THIS SOFTWARE IS PROVIDED "AS IS".  NO WARRANTIES, WHETHER EXPRESS, IMPLIED
19 
// OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
20 
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
21 
// LMI SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
22 
// CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
23 
//
24 
// This is part of revision 991 of the Stellaris Driver Library.
25 
//
26 
//*****************************************************************************
27 
 
28 
//*****************************************************************************
29 
//
30 
//! \addtogroup gpio_api
31 
//! @{
32 
//
33 
//*****************************************************************************
34 
 
35 
#include "../hw_gpio.h"
36 
#include "../hw_ints.h"
37 
#include "../hw_memmap.h"
38 
#include "../hw_types.h"
39 
#include "debug.h"
40 
#include "gpio.h"
41 
#include "interrupt.h"
42 
 
43 
//*****************************************************************************
44 
//
45 
//! \internal
46 
//! Get GPIO interrupt number.
47 
//!
48 
//! \param ulPort base address of the selected GPIO port
49 
//!
50 
//! Given a GPIO base address, returns the corresponding interrupt number.
51 
//!
52 
//! \return Returns a GPIO interrupt number, or -1 if \e ulPort is invalid.
53 
//
54 
//*****************************************************************************
55 
#if defined(GROUP_getintnumber) || defined(BUILD_ALL)
56 
long
57 
GPIOGetIntNumber(unsigned long ulPort)
58 
{
59 
    unsigned int ulInt;
60 
 
61 
    //
62 
    // Determine the GPIO interrupt number for the given module.
63 
    //
64 
    switch(ulPort)
65 
    {
66 
        case GPIO_PORTA_BASE:
67 
        {
68 
            ulInt = INT_GPIOA;
69 
            break;
70 
        }
71 
 
72 
        case GPIO_PORTB_BASE:
73 
        {
74 
            ulInt = INT_GPIOB;
75 
            break;
76 
        }
77 
 
78 
        case GPIO_PORTC_BASE:
79 
        {
80 
            ulInt = INT_GPIOC;
81 
            break;
82 
        }
83 
 
84 
        case GPIO_PORTD_BASE:
85 
        {
86 
            ulInt = INT_GPIOD;
87 
            break;
88 
        }
89 
 
90 
        case GPIO_PORTE_BASE:
91 
        {
92 
            ulInt = INT_GPIOE;
93 
            break;
94 
        }
95 
 
96 
        default:
97 
        {
98 
            return(-1);
99 
        }
100 
    }
101 
 
102 
    //
103 
    // Return GPIO interrupt number.
104 
    //
105 
    return(ulInt);
106 
}
107 
#else
108 
extern long GPIOGetIntNumber(unsigned long ulPort);
109 
#endif
110 
 
111 
//*****************************************************************************
112 
//
113 
//! Sets the direction and mode of the specified pins of the selected
114 
//! GPIO port.
115 
//!
116 
//! \param ulPort base address of the selected GPIO port
117 
//! \param ucPins bit-packed representation of the specified pins
118 
//! \param ulPinIO pin direction and/or mode
119 
//!
120 
//! This function will set the specified pins on the selected GPIO port
121 
//! as either an input or output under software control, or it will set the
122 
//! pin to be under hardware control.
123 
//!
124 
//! The parameter \e ulPinIO is an enumerated data type that can be one of
125 
//! the following values:
126 
//!
127 
//! - \b GPIO_DIR_MODE_IN
128 
//! - \b GPIO_DIR_MODE_OUT
129 
//! - \b GPIO_DIR_MODE_HW
130 
//!
131 
//! where \b GPIO_DIR_MODE_IN specifies that the pin will be programmed as
132 
//! a software controlled input, \b GPIO_DIR_MODE_OUT specifies that the pin
133 
//! will be programmed as a software controlled output, and
134 
//! \b GPIO_DIR_MODE_HW specifies that the pin will be placed under
135 
//! hardware control.
136 
//!
137 
//! The pins are specified using a bit-packed byte, where each bit that is
138 
//! set identifies the pin to be accessed, and where bit 0 of the byte
139 
//! represents GPIO port pin 0, bit 1 represents GPIO port pin 1, etc.
140 
//!
141 
//! \return None.
142 
//
143 
//*****************************************************************************
144 
#if defined(GROUP_dirmodeset) || defined(BUILD_ALL) || defined(DOXYGEN)
145 
void
146 
GPIODirModeSet(unsigned long ulPort, unsigned char ucPins,
147 
               unsigned long ulPinIO)
148 
{
149 
    //
150 
    // Check the arguments.
151 
    //
152 
    ASSERT((ulPort == GPIO_PORTA_BASE) || (ulPort == GPIO_PORTB_BASE) ||
153 
           (ulPort == GPIO_PORTC_BASE) || (ulPort == GPIO_PORTD_BASE) ||
154 
           (ulPort == GPIO_PORTE_BASE));
155 
    ASSERT((ulPinIO == GPIO_DIR_MODE_IN) || (ulPinIO == GPIO_DIR_MODE_OUT) ||
156 
           (ulPinIO == GPIO_DIR_MODE_HW));
157 
 
158 
    //
159 
    // Set the pin direction and mode.
160 
    //
161 
    HWREG(ulPort + GPIO_O_DIR) = ((ulPinIO & 1) ?
162 
                                  (HWREG(ulPort + GPIO_O_DIR) | ucPins) :
163 
                                  (HWREG(ulPort + GPIO_O_DIR) & ~(ucPins)));
164 
    HWREG(ulPort + GPIO_O_AFSEL) = ((ulPinIO & 2) ?
165 
                                    (HWREG(ulPort + GPIO_O_AFSEL) | ucPins) :
166 
                                    (HWREG(ulPort + GPIO_O_AFSEL) &
167 
                                     ~(ucPins)));
168 
}
169 
#endif
170 
 
171 
//*****************************************************************************
172 
//
173 
//! Gets the direction and mode of a specified pin of the selected
174 
//! GPIO port.
175 
//!
176 
//! \param ulPort base address of the selected GPIO port
177 
//! \param ucPin pin number of the specified pin, relative to the selected
178 
//! GPIO port.
179 
//!
180 
//! This function gets the direction and control mode for a specified pin on
181 
//! the selected GPIO port. The pin can be configured as either an input or
182 
//! output under software control, or it can be under hardware control. The
183 
//! type of control and direction are returned as an enumerated data type.
184 
//!
185 
//! \return Returns one of the enumerated data types described for
186 
//! GPIODirModeSet().
187 
//
188 
//*****************************************************************************
189 
#if defined(GROUP_dirmodeget) || defined(BUILD_ALL) || defined(DOXYGEN)
190 
unsigned long
191 
GPIODirModeGet(unsigned long ulPort, unsigned char ucPin)
192 
{
193 
    unsigned long ulDir, ulAFSEL;
194 
 
195 
    //
196 
    // Check the arguments.
197 
    //
198 
    ASSERT((ulPort == GPIO_PORTA_BASE) || (ulPort == GPIO_PORTB_BASE) ||
199 
           (ulPort == GPIO_PORTC_BASE) || (ulPort == GPIO_PORTD_BASE) ||
200 
           (ulPort == GPIO_PORTE_BASE));
201 
    ASSERT(ucPin < 8);
202 
 
203 
    //
204 
    // Convert from a pin number to a bit position.
205 
    //
206 
    ucPin = 1 << ucPin;
207 
 
208 
    //
209 
    // Return the pin direction and mode.
210 
    //
211 
    ulDir = HWREG(ulPort + GPIO_O_DIR);
212 
    ulAFSEL = HWREG(ulPort + GPIO_O_AFSEL);
213 
    return(((ulDir & ucPin) ? 1 : 0) | ((ulAFSEL & ucPin) ? 2 : 0));
214 
}
215 
#endif
216 
 
217 
//*****************************************************************************
218 
//
219 
//! Sets the interrupt type for the specified pins of the selected GPIO
220 
//! port.
221 
//!
222 
//! \param ulPort base address of the selected GPIO port
223 
//! \param ucPins bit-packed representation of the specified pins
224 
//! \param ulIntType specifies the type of interrupt trigger mechanism
225 
//!
226 
//! This function sets up the various interrupt trigger mechanisms for the
227 
//! specified pins on the selected GPIO port.
228 
//!
229 
//! The parameter \e ulIntType is an enumerated data type that can be one of
230 
//! the following values:
231 
//!
232 
//! - \b GPIO_FALLING_EDGE
233 
//! - \b GPIO_RISING_EDGE
234 
//! - \b GPIO_BOTH_EDGES
235 
//! - \b GPIO_LOW_LEVEL
236 
//! - \b GPIO_HIGH_LEVEL
237 
//!
238 
//! where the different values describe the interrupt detection mechanism
239 
//! (edge or level) and the particular triggering event (falling, rising,
240 
//! or both edges for edge detect, low or high for level detect).
241 
//!
242 
//! The pins are specified using a bit-packed byte, where each bit that is
243 
//! set identifies the pin to be accessed, and where bit 0 of the byte
244 
//! represents GPIO port pin 0, bit 1 represents GPIO port pin 1, etc.
245 
//!
246 
//! \note In order to avoid any spurious interrupts, the user must
247 
//! ensure that the GPIO inputs remain stable for the duration of
248 
//! this function.
249 
//!
250 
//! \return None.
251 
//
252 
//*****************************************************************************
253 
#if defined(GROUP_inttypeset) || defined(BUILD_ALL) || defined(DOXYGEN)
254 
void
255 
GPIOIntTypeSet(unsigned long ulPort, unsigned char ucPins,
256 
               unsigned long ulIntType)
257 
{
258 
    //
259 
    // Check the arguments.
260 
    //
261 
    ASSERT((ulPort == GPIO_PORTA_BASE) || (ulPort == GPIO_PORTB_BASE) ||
262 
           (ulPort == GPIO_PORTC_BASE) || (ulPort == GPIO_PORTD_BASE) ||
263 
           (ulPort == GPIO_PORTE_BASE));
264 
    ASSERT((ulIntType == GPIO_FALLING_EDGE) ||
265 
           (ulIntType == GPIO_RISING_EDGE) ||
266 
           (ulIntType == GPIO_BOTH_EDGES) ||
267 
           (ulIntType == GPIO_LOW_LEVEL) ||
268 
           (ulIntType == GPIO_HIGH_LEVEL));
269 
 
270 
    //
271 
    // Set the pin interrupt type.
272 
    //
273 
    HWREG(ulPort + GPIO_O_IBE) = ((ulIntType & 1) ?
274 
                                  (HWREG(ulPort + GPIO_O_IBE) | ucPins) :
275 
                                  (HWREG(ulPort + GPIO_O_IBE) & ~(ucPins)));
276 
    HWREG(ulPort + GPIO_O_IS) = ((ulIntType & 2) ?
277 
                                 (HWREG(ulPort + GPIO_O_IS) | ucPins) :
278 
                                 (HWREG(ulPort + GPIO_O_IS) & ~(ucPins)));
279 
    HWREG(ulPort + GPIO_O_IEV) = ((ulIntType & 4) ?
280 
                                  (HWREG(ulPort + GPIO_O_IEV) | ucPins) :
281 
                                  (HWREG(ulPort + GPIO_O_IEV) & ~(ucPins)));
282 
}
283 
#endif
284 
 
285 
//*****************************************************************************
286 
//
287 
//! Gets the interrupt type for the specified pin of the selected GPIO
288 
//! port.
289 
//!
290 
//! \param ulPort base address of the selected GPIO port
291 
//! \param ucPin pin number of the specified pin, relative to the selected
292 
//! GPIO port.
293 
//!
294 
//! This function gets the interrupt type for a specified pin on the selected
295 
//! GPIO port. The pin can be configured as a falling edge, rising edge, or
296 
//! both edge detected interrupt, or it can be configured as a low level or
297 
//! high level detected interrupt. The type of interrupt detection mechanism
298 
//! is returned as an enumerated data type.
299 
//!
300 
//! \return Returns one of the enumerated data types described for
301 
//! GPIOIntTypeSet().
302 
//
303 
//*****************************************************************************
304 
#if defined(GROUP_inttypeget) || defined(BUILD_ALL) || defined(DOXYGEN)
305 
unsigned long
306 
GPIOIntTypeGet(unsigned long ulPort, unsigned char ucPin)
307 
{
308 
    unsigned long ulIBE, ulIS, ulIEV;
309 
 
310 
    //
311 
    // Check the arguments.
312 
    //
313 
    ASSERT((ulPort == GPIO_PORTA_BASE) || (ulPort == GPIO_PORTB_BASE) ||
314 
           (ulPort == GPIO_PORTC_BASE) || (ulPort == GPIO_PORTD_BASE) ||
315 
           (ulPort == GPIO_PORTE_BASE));
316 
    ASSERT(ucPin < 8);
317 
 
318 
    //
319 
    // Convert from a pin number to a bit position.
320 
    //
321 
    ucPin = 1 << ucPin;
322 
 
323 
    //
324 
    // Return the pin interrupt type.
325 
    //
326 
    ulIBE = HWREG(ulPort + GPIO_O_IBE);
327 
    ulIS = HWREG(ulPort + GPIO_O_IS);
328 
    ulIEV = HWREG(ulPort + GPIO_O_IEV);
329 
    return(((ulIBE & ucPin) ? 1 : 0) | ((ulIS & ucPin) ? 2 : 0) |
330 
           ((ulIEV & ucPin) ? 4 : 0));
331 
}
332 
#endif
333 
 
334 
//*****************************************************************************
335 
//
336 
//! Sets the pad configuration for the specified pins of the selected GPIO
337 
//! port.
338 
//!
339 
//! \param ulPort is the base address of the GPIO port.
340 
//! \param ucPins bit-packed representation of the specified pins.
341 
//! \param ulStrength specifies the output drive strength.
342 
//! \param ulPinType specifies the pin type.
343 
//!
344 
//! This function sets the drive strength and type for the specified pins
345 
//! on the selected GPIO port.  For pins configured as input ports, the
346 
//! pad is configured as requested, but the only real effect on the input
347 
//! is the configuration of the pull-up or pull-down termination.
348 
//!
349 
//! The parameter \e ulStrength can be one of the following values:
350 
//!
351 
//! - \b GPIO_STRENGTH_2MA
352 
//! - \b GPIO_STRENGTH_4MA
353 
//! - \b GPIO_STRENGTH_8MA
354 
//! - \b GPIO_STRENGTH_8MA_SC
355 
//!
356 
//! where \b GPIO_STRENGTH_xMA specifies either 2, 4, or 8 mA output drive
357 
//! strength, and \b GPIO_OUT_STRENGTH_8MA_SC specifies 8 mA output drive with
358 
//! slew control.
359 
//!
360 
//! The parameter \e ulPinType can be one of the following values:
361 
//!
362 
//! - \b GPIO_PIN_TYPE_STD
363 
//! - \b GPIO_PIN_TYPE_STD_WPU
364 
//! - \b GPIO_PIN_TYPE_STD_WPD
365 
//! - \b GPIO_PIN_TYPE_OD
366 
//! - \b GPIO_PIN_TYPE_OD_WPU
367 
//! - \b GPIO_PIN_TYPE_OD_WPD
368 
//! - \b GPIO_PIN_TYPE_ANALOG
369 
//!
370 
//! where \b GPIO_PIN_TYPE_STD* specifies a push-pull pin, \b GPIO_PIN_TYPE_OD*
371 
//! specifies an open-drain pin, \b *_WPU specifies a weak pull-up, \b *_WPD
372 
//! specifies a weak pull-down, and \b GPIO_PIN_TYPE_ANALOG specifies an
373 
//! analog input (for the comparators).
374 
//!
375 
//! The pins are specified using a bit-packed byte, where each bit that is
376 
//! set identifies the pin to be accessed, and where bit 0 of the byte
377 
//! represents GPIO port pin 0, bit 1 represents GPIO port pin 1, etc.
378 
//!
379 
//! \return None.
380 
//
381 
//*****************************************************************************
382 
#if defined(GROUP_padconfigset) || defined(BUILD_ALL) || defined(DOXYGEN)
383 
void
384 
GPIOPadConfigSet(unsigned long ulPort, unsigned char ucPins,
385 
                 unsigned long ulStrength, unsigned long ulPinType)
386 
{
387 
    //
388 
    // Check the arguments.
389 
    //
390 
    ASSERT((ulPort == GPIO_PORTA_BASE) || (ulPort == GPIO_PORTB_BASE) ||
391 
           (ulPort == GPIO_PORTC_BASE) || (ulPort == GPIO_PORTD_BASE) ||
392 
           (ulPort == GPIO_PORTE_BASE));
393 
    ASSERT((ulStrength == GPIO_STRENGTH_2MA) ||
394 
           (ulStrength == GPIO_STRENGTH_4MA) ||
395 
           (ulStrength == GPIO_STRENGTH_8MA) ||
396 
           (ulStrength == GPIO_STRENGTH_8MA_SC));
397 
    ASSERT((ulPinType == GPIO_PIN_TYPE_STD) ||
398 
           (ulPinType == GPIO_PIN_TYPE_STD_WPU) ||
399 
           (ulPinType == GPIO_PIN_TYPE_STD_WPD) ||
400 
           (ulPinType == GPIO_PIN_TYPE_OD) ||
401 
           (ulPinType == GPIO_PIN_TYPE_OD_WPU) ||
402 
           (ulPinType == GPIO_PIN_TYPE_OD_WPD) ||
403 
           (ulPinType == GPIO_PIN_TYPE_ANALOG))
404 
 
405 
    //
406 
    // Set the output drive strength.
407 
    //
408 
    HWREG(ulPort + GPIO_O_DR2R) = ((ulStrength & 1) ?
409 
                                   (HWREG(ulPort + GPIO_O_DR2R) | ucPins) :
410 
                                   (HWREG(ulPort + GPIO_O_DR2R) & ~(ucPins)));
411 
    HWREG(ulPort + GPIO_O_DR4R) = ((ulStrength & 2) ?
412 
                                   (HWREG(ulPort + GPIO_O_DR4R) | ucPins) :
413 
                                   (HWREG(ulPort + GPIO_O_DR4R) & ~(ucPins)));
414 
    HWREG(ulPort + GPIO_O_DR8R) = ((ulStrength & 4) ?
415 
                                   (HWREG(ulPort + GPIO_O_DR8R) | ucPins) :
416 
                                   (HWREG(ulPort + GPIO_O_DR8R) & ~(ucPins)));
417 
    HWREG(ulPort + GPIO_O_SLR) = ((ulStrength & 8) ?
418 
                                  (HWREG(ulPort + GPIO_O_SLR) | ucPins) :
419 
                                  (HWREG(ulPort + GPIO_O_SLR) & ~(ucPins)));
420 
 
421 
    //
422 
    // Set the pin type.
423 
    //
424 
    HWREG(ulPort + GPIO_O_ODR) = ((ulPinType & 1) ?
425 
                                  (HWREG(ulPort + GPIO_O_ODR) | ucPins) :
426 
                                  (HWREG(ulPort + GPIO_O_ODR) & ~(ucPins)));
427 
    HWREG(ulPort + GPIO_O_PUR) = ((ulPinType & 2) ?
428 
                                  (HWREG(ulPort + GPIO_O_PUR) | ucPins) :
429 
                                  (HWREG(ulPort + GPIO_O_PUR) & ~(ucPins)));
430 
    HWREG(ulPort + GPIO_O_PDR) = ((ulPinType & 4) ?
431 
                                  (HWREG(ulPort + GPIO_O_PDR) | ucPins) :
432 
                                  (HWREG(ulPort + GPIO_O_PDR) & ~(ucPins)));
433 
    HWREG(ulPort + GPIO_O_DEN) = ((ulPinType & 8) ?
434 
                                  (HWREG(ulPort + GPIO_O_DEN) | ucPins) :
435 
                                  (HWREG(ulPort + GPIO_O_DEN) & ~(ucPins)));
436 
}
437 
#endif
438 
 
439 
//*****************************************************************************
440 
//
441 
//! Gets the pad configuration for the specified pin of the selected GPIO
442 
//! port.
443 
//!
444 
//! \param ulPort base address of the selected GPIO port
445 
//! \param ucPin pin number of the specified pin, relative to the selected
446 
//! GPIO port.
447 
//! \param pulStrength pointer to storage for the output drive strength
448 
//! \param pulPinType pointer to storage for the output drive type
449 
//!
450 
//! This function gets the pad configuration for a specified pin on the
451 
//! selected GPIO port. The values returned in \e eStrength and \e eOutType
452 
//! correspond to the values used in GPIOPadConfigSet(). This function also
453 
//! works for pins configured as input pins; however, the only meaningful
454 
//! data returned is whether the pin is terminated with a pull-up or
455 
//! down resistor.
456 
//!
457 
//! \return None
458 
//
459 
//*****************************************************************************
460 
#if defined(GROUP_padconfigget) || defined(BUILD_ALL) || defined(DOXYGEN)
461 
void
462 
GPIOPadConfigGet(unsigned long ulPort, unsigned char ucPin,
463 
                 unsigned long *pulStrength, unsigned long *pulPinType)
464 
{
465 
    unsigned long ulTemp1, ulTemp2, ulTemp3, ulTemp4;
466 
 
467 
    //
468 
    // Check the arguments.
469 
    //
470 
    ASSERT((ulPort == GPIO_PORTA_BASE) || (ulPort == GPIO_PORTB_BASE) ||
471 
           (ulPort == GPIO_PORTC_BASE) || (ulPort == GPIO_PORTD_BASE) ||
472 
           (ulPort == GPIO_PORTE_BASE));
473 
    ASSERT(ucPin < 8);
474 
 
475 
    //
476 
    // Convert from a pin number to a bit position.
477 
    //
478 
    ucPin = (1 << ucPin);
479 
 
480 
    //
481 
    // Get the drive strength for this pin.
482 
    //
483 
    ulTemp1 = HWREG(ulPort + GPIO_O_DR2R);
484 
    ulTemp2 = HWREG(ulPort + GPIO_O_DR4R);
485 
    ulTemp3 = HWREG(ulPort + GPIO_O_DR8R);
486 
    ulTemp4 = HWREG(ulPort + GPIO_O_SLR);
487 
    *pulStrength = (((ulTemp1 & ucPin) ? 1 : 0) | ((ulTemp2 & ucPin) ? 2 : 0) |
488 
                    ((ulTemp3 & ucPin) ? 4 : 0) | ((ulTemp4 & ucPin) ? 8 : 0));
489 
 
490 
    //
491 
    // Get the pin type.
492 
    //
493 
    ulTemp1 = HWREG(ulPort + GPIO_O_ODR);
494 
    ulTemp2 = HWREG(ulPort + GPIO_O_PUR);
495 
    ulTemp3 = HWREG(ulPort + GPIO_O_PDR);
496 
    ulTemp4 = HWREG(ulPort + GPIO_O_DEN);
497 
    *pulPinType = (((ulTemp1 & ucPin) ? 1 : 0) | ((ulTemp2 & ucPin) ? 2 : 0) |
498 
                   ((ulTemp3 & ucPin) ? 4 : 0) | ((ulTemp4 & ucPin) ? 8 : 0));
499 
}
500 
#endif
501 
 
502 
//*****************************************************************************
503 
//
504 
//! Enables interrupts for the specified pins of the selected GPIO port.
505 
//!
506 
//! \param ulPort base address of the selected GPIO port
507 
//! \param ucPins bit-packed representation of the specified pins
508 
//!
509 
//! Unmasks the interrupt for the specified pins.
510 
//!
511 
//! The pins are specified using a bit-packed byte, where each bit that is
512 
//! set identifies the pin to be accessed, and where bit 0 of the byte
513 
//! represents GPIO port pin 0, bit 1 represents GPIO port pin 1, etc.
514 
//!
515 
//! \return None.
516 
//
517 
//*****************************************************************************
518 
#if defined(GROUP_pinintenable) || defined(BUILD_ALL) || defined(DOXYGEN)
519 
void
520 
GPIOPinIntEnable(unsigned long ulPort, unsigned char ucPins)
521 
{
522 
    //
523 
    // Check the arguments.
524 
    //
525 
    ASSERT((ulPort == GPIO_PORTA_BASE) || (ulPort == GPIO_PORTB_BASE) ||
526 
           (ulPort == GPIO_PORTC_BASE) || (ulPort == GPIO_PORTD_BASE) ||
527 
           (ulPort == GPIO_PORTE_BASE));
528 
 
529 
    //
530 
    // Enable the interrupts.
531 
    //
532 
    HWREG(ulPort + GPIO_O_IM) |= ucPins;
533 
}
534 
#endif
535 
 
536 
//*****************************************************************************
537 
//
538 
//! Disables interrupts for the specified pins of the selected GPIO port.
539 
//!
540 
//! \param ulPort base address of the selected GPIO port
541 
//! \param ucPins bit-packed representation of the specified pins
542 
//!
543 
//! Masks the interrupt for the specified pins.
544 
//!
545 
//! The pins are specified using a bit-packed byte, where each bit that is
546 
//! set identifies the pin to be accessed, and where bit 0 of the byte
547 
//! represents GPIO port pin 0, bit 1 represents GPIO port pin 1, etc.
548 
//!
549 
//! \return None.
550 
//
551 
//*****************************************************************************
552 
#if defined(GROUP_pinintdisable) || defined(BUILD_ALL) || defined(DOXYGEN)
553 
void
554 
GPIOPinIntDisable(unsigned long ulPort, unsigned char ucPins)
555 
{
556 
    //
557 
    // Check the arguments.
558 
    //
559 
    ASSERT((ulPort == GPIO_PORTA_BASE) || (ulPort == GPIO_PORTB_BASE) ||
560 
           (ulPort == GPIO_PORTC_BASE) || (ulPort == GPIO_PORTD_BASE) ||
561 
           (ulPort == GPIO_PORTE_BASE));
562 
 
563 
    //
564 
    // Disable the interrupts.
565 
    //
566 
    HWREG(ulPort + GPIO_O_IM) &= ~(ucPins);
567 
}
568 
#endif
569 
 
570 
//*****************************************************************************
571 
//
572 
//! Gets interrupt status for all the pins of the selected GPIO port.
573 
//!
574 
//! \param ulPort base address of the selected GPIO port
575 
//! \param bMasked specifies whether masked or raw interrupt
576 
//! status is returned
577 
//!
578 
//! If \e bMasked is set as \b true, then the masked interrupt status is
579 
//! returned; otherwise, the raw interrupt status will be returned.
580 
//!
581 
//! \return Returns a bit-packed byte, where each bit that is set identifies
582 
//! an active masked or raw interrupt, and where bit 0 of the byte
583 
//! represents GPIO port pin 0, bit 1 represents GPIO port pin 1, etc. Bits
584 
//! 31:8 should be ignored.
585 
//
586 
//*****************************************************************************
587 
#if defined(GROUP_pinintstatus) || defined(BUILD_ALL) || defined(DOXYGEN)
588 
long
589 
GPIOPinIntStatus(unsigned long ulPort, tBoolean bMasked)
590 
{
591 
    //
592 
    // Check the arguments.
593 
    //
594 
    ASSERT((ulPort == GPIO_PORTA_BASE) || (ulPort == GPIO_PORTB_BASE) ||
595 
           (ulPort == GPIO_PORTC_BASE) || (ulPort == GPIO_PORTD_BASE) ||
596 
           (ulPort == GPIO_PORTE_BASE));
597 
 
598 
    //
599 
    // Return the interrupt status.
600 
    //
601 
    if(bMasked)
602 
    {
603 
        return(HWREG(ulPort + GPIO_O_MIS));
604 
    }
605 
    else
606 
    {
607 
        return(HWREG(ulPort + GPIO_O_RIS));
608 
    }
609 
}
610 
#endif
611 
 
612 
//*****************************************************************************
613 
//
614 
//! Clears the interrupt for the specified pins of the selected GPIO port.
615 
//!
616 
//! \param ulPort base address of the selected GPIO port
617 
//! \param ucPins bit-packed representation of the specified pins
618 
//!
619 
//! Clears the interrupt for the specified pins.
620 
//!
621 
//! The pins are specified using a bit-packed byte, where each bit that is
622 
//! set identifies the pin to be accessed, and where bit 0 of the byte
623 
//! represents GPIO port pin 0, bit 1 represents GPIO port pin 1, etc.
624 
//!
625 
//! \return None.
626 
//
627 
//*****************************************************************************
628 
#if defined(GROUP_pinintclear) || defined(BUILD_ALL) || defined(DOXYGEN)
629 
void
630 
GPIOPinIntClear(unsigned long ulPort, unsigned char ucPins)
631 
{
632 
    //
633 
    // Check the arguments.
634 
    //
635 
    ASSERT((ulPort == GPIO_PORTA_BASE) || (ulPort == GPIO_PORTB_BASE) ||
636 
           (ulPort == GPIO_PORTC_BASE) || (ulPort == GPIO_PORTD_BASE) ||
637 
           (ulPort == GPIO_PORTE_BASE));
638 
 
639 
    //
640 
    // Clear the interrupts.
641 
    //
642 
    HWREG(ulPort + GPIO_O_ICR) = ucPins;
643 
}
644 
#endif
645 
 
646 
//*****************************************************************************
647 
//
648 
//! Registers an interrupt handler for the selected GPIO port.
649 
//!
650 
//! \param ulPort base address of the selected GPIO port
651 
//! \param pfIntHandler pointer to the GPIO port interrupt handling function
652 
//!
653 
//! This function will ensure that the interrupt handler specified by \e
654 
//! pfIntHandler is called when an interrupt is detected from the selected
655 
//! GPIO port. This function will also enable the corresponding GPIO
656 
//! interrupt in the interrupt controller; individual pin interrupts and
657 
//! interrupt sources must be enabled with GPIOPinIntEnable().
658 
//!
659 
//! \sa IntRegister() for important information about registering interrupt
660 
//! handlers.
661 
//!
662 
//! \return None.
663 
//
664 
//*****************************************************************************
665 
#if defined(GROUP_portintregister) || defined(BUILD_ALL) || defined(DOXYGEN)
666 
void
667 
GPIOPortIntRegister(unsigned long ulPort, void (*pfIntHandler)(void))
668 
{
669 
    //
670 
    // Check the arguments.
671 
    //
672 
    ASSERT((ulPort == GPIO_PORTA_BASE) || (ulPort == GPIO_PORTB_BASE) ||
673 
           (ulPort == GPIO_PORTC_BASE) || (ulPort == GPIO_PORTD_BASE) ||
674 
           (ulPort == GPIO_PORTE_BASE));
675 
 
676 
    //
677 
    // Get the interrupt number associated with the specified GPIO.
678 
    //
679 
    ulPort = GPIOGetIntNumber(ulPort);
680 
 
681 
    //
682 
    // Register the interrupt handler.
683 
    //
684 
    IntRegister(ulPort, pfIntHandler);
685 
 
686 
    //
687 
    // Enable the GPIO interrupt.
688 
    //
689 
    IntEnable(ulPort);
690 
}
691 
#endif
692 
 
693 
//*****************************************************************************
694 
//
695 
//! Removes an interrupt handler for the selected GPIO port.
696 
//!
697 
//! \param ulPort base address of the selected GPIO port
698 
//!
699 
//! This function will unregister the interrupt handler for the specified
700 
//! GPIO port.  This function will also disable the corresponding
701 
//! GPIO port interrupt in the interrupt controller; individual GPIO interrupts
702 
//! and interrupt sources must be disabled with GPIOPinIntDisable().
703 
//!
704 
//! \sa IntRegister() for important information about registering interrupt
705 
//! handlers.
706 
//!
707 
//! \return None.
708 
//
709 
//*****************************************************************************
710 
#if defined(GROUP_portintunregister) || defined(BUILD_ALL) || defined(DOXYGEN)
711 
void
712 
GPIOPortIntUnregister(unsigned long ulPort)
713 
{
714 
    //
715 
    // Check the arguments.
716 
    //
717 
    ASSERT((ulPort == GPIO_PORTA_BASE) || (ulPort == GPIO_PORTB_BASE) ||
718 
           (ulPort == GPIO_PORTC_BASE) || (ulPort == GPIO_PORTD_BASE) ||
719 
           (ulPort == GPIO_PORTE_BASE));
720 
 
721 
    //
722 
    // Get the interrupt number associated with the specified GPIO.
723 
    //
724 
    ulPort = GPIOGetIntNumber(ulPort);
725 
 
726 
    //
727 
    // Disable the GPIO interrupt.
728 
    //
729 
    IntDisable(ulPort);
730 
 
731 
    //
732 
    // Unregister the interrupt handler.
733 
    //
734 
    IntUnregister(ulPort);
735 
}
736 
#endif
737 
 
738 
//*****************************************************************************
739 
//
740 
//! Reads the values present at the specified pins of the selected GPIO port.
741 
//!
742 
//! \param ulPort base address of the selected GPIO port
743 
//! \param ucPins bit-packed representation of the specified pins
744 
//!
745 
//! The values at the specified pins are read, as specified by \e ucPins.
746 
//! Values are returned for both input and output pins, and the value
747 
//! for pins that are not specified by \e ucPins are set to 0.
748 
//!
749 
//! The pins are specified using a bit-packed byte, where each bit that is
750 
//! set identifies the pin to be accessed, and where bit 0 of the byte
751 
//! represents GPIO port pin 0, bit 1 represents GPIO port pin 1, etc.
752 
//!
753 
//! \return Returns a bit-packed byte providing the state of the specified
754 
//! pin, where bit 0 of the byte represents GPIO port pin 0, bit 1 represents
755 
//! GPIO port pin 1, etc. Any bit that is not specified by \e ucPins
756 
//! is returned as a 0. Bits 31:8 should be ignored.
757 
//
758 
//*****************************************************************************
759 
#if defined(GROUP_pinread) || defined(BUILD_ALL) || defined(DOXYGEN)
760 
long
761 
GPIOPinRead(unsigned long ulPort, unsigned char ucPins)
762 
{
763 
    //
764 
    // Check the arguments.
765 
    //
766 
    ASSERT((ulPort == GPIO_PORTA_BASE) || (ulPort == GPIO_PORTB_BASE) ||
767 
           (ulPort == GPIO_PORTC_BASE) || (ulPort == GPIO_PORTD_BASE) ||
768 
           (ulPort == GPIO_PORTE_BASE));
769 
 
770 
    //
771 
    // Return the pin value(s).
772 
    //
773 
    return(HWREG(ulPort + (GPIO_O_DATA + (ucPins << 2))));
774 
}
775 
#endif
776 
 
777 
//*****************************************************************************
778 
//
779 
//! Writes a value at the specified pins of the selected GPIO port.
780 
//!
781 
//! \param ulPort base address of the selected GPIO port
782 
//! \param ucPins bit-packed representation of the specified pins
783 
//! \param ucVal value to write to the specified pins
784 
//!
785 
//! Writes the corresponding bit values to the output pins specified
786 
//! by \e ucPins. Writing to a pin configured as an input pin has no
787 
//! effect.
788 
//!
789 
//! The pins are specified using a bit-packed byte, where each bit that is
790 
//! set identifies the pin to be accessed, and where bit 0 of the byte
791 
//! represents GPIO port pin 0, bit 1 represents GPIO port pin 1, etc.
792 
//!
793 
//! \return None.
794 
//
795 
//*****************************************************************************
796 
#if defined(GROUP_pinwrite) || defined(BUILD_ALL) || defined(DOXYGEN)
797 
void
798 
GPIOPinWrite(unsigned long ulPort, unsigned char ucPins, unsigned char ucVal)
799 
{
800 
    //
801 
    // Check the arguments.
802 
    //
803 
    ASSERT((ulPort == GPIO_PORTA_BASE) || (ulPort == GPIO_PORTB_BASE) ||
804 
           (ulPort == GPIO_PORTC_BASE) || (ulPort == GPIO_PORTD_BASE) ||
805 
           (ulPort == GPIO_PORTE_BASE));
806 
 
807 
    //
808 
    // Write the pins.
809 
    //
810 
    HWREG(ulPort + (GPIO_O_DATA + (ucPins << 2))) = ucVal;
811 
}
812 
#endif
813 
 
814 
//*****************************************************************************
815 
//
816 
//! Configures pin(s) for use as an analog comparator input.
817 
//!
818 
//! \param ulPort base address of the selected GPIO port
819 
//! \param ucPins bit-packed representation of the specified pins
820 
//!
821 
//! The analog comparator input pins must be properly configured for the analog
822 
//! comparator to function correctly.  This function provides the proper
823 
//! configuration for those pins.
824 
//!
825 
//! \note This cannot be used to turn any pin into an analog comparator input;
826 
//! it only configures an analog comparator pin for proper operation.
827 
//!
828 
//! \return None.
829 
//
830 
//*****************************************************************************
831 
#if defined(GROUP_pintypecomparator) || defined(BUILD_ALL) || defined(DOXYGEN)
832 
void
833 
GPIOPinTypeComparator(unsigned long ulPort, unsigned char ucPins)
834 
{
835 
    //
836 
    // Check the arguments.
837 
    //
838 
    ASSERT((ulPort == GPIO_PORTA_BASE) || (ulPort == GPIO_PORTB_BASE) ||
839 
           (ulPort == GPIO_PORTC_BASE) || (ulPort == GPIO_PORTD_BASE) ||
840 
           (ulPort == GPIO_PORTE_BASE));
841 
 
842 
    //
843 
    // Make the pin(s) be inputs.
844 
    //
845 
    GPIODirModeSet(ulPort, ucPins, GPIO_DIR_MODE_IN);
846 
 
847 
    //
848 
    // Set the pad(s) for analog operation.
849 
    //
850 
    GPIOPadConfigSet(ulPort, ucPins, GPIO_STRENGTH_2MA, GPIO_PIN_TYPE_ANALOG);
851 
}
852 
#endif
853 
 
854 
//*****************************************************************************
855 
//
856 
//! Configures pin(s) for use by the I2C peripheral.
857 
//!
858 
//! \param ulPort base address of the selected GPIO port
859 
//! \param ucPins bit-packed representation of the specified pins
860 
//!
861 
//! The I2C pins must be properly configured for the I2C peripheral to function
862 
//! correctly.  This function provides the proper configuration for those pins.
863 
//!
864 
//! \note This cannot be used to turn any pin into an I2C pin; it only
865 
//! configures an I2C pin for proper operation.
866 
//!
867 
//! \return None.
868 
//
869 
//*****************************************************************************
870 
#if defined(GROUP_pintypei2c) || defined(BUILD_ALL) || defined(DOXYGEN)
871 
void
872 
GPIOPinTypeI2C(unsigned long ulPort, unsigned char ucPins)
873 
{
874 
    //
875 
    // Check the arguments.
876 
    //
877 
    ASSERT((ulPort == GPIO_PORTA_BASE) || (ulPort == GPIO_PORTB_BASE) ||
878 
           (ulPort == GPIO_PORTC_BASE) || (ulPort == GPIO_PORTD_BASE) ||
879 
           (ulPort == GPIO_PORTE_BASE));
880 
 
881 
    //
882 
    // Make the pin(s) be peripheral controlled.
883 
    //
884 
    GPIODirModeSet(ulPort, ucPins, GPIO_DIR_MODE_HW);
885 
 
886 
    //
887 
    // Set the pad(s) for open-drain operation with a weak pull-up.
888 
    //
889 
    GPIOPadConfigSet(ulPort, ucPins, GPIO_STRENGTH_2MA, GPIO_PIN_TYPE_OD_WPU);
890 
}
891 
#endif
892 
 
893 
//*****************************************************************************
894 
//
895 
//! Configures pin(s) for use by the PWM peripheral.
896 
//!
897 
//! \param ulPort base address of the selected GPIO port
898 
//! \param ucPins bit-packed representation of the specified pins
899 
//!
900 
//! The PWM pins must be properly configured for the PWM peripheral to function
901 
//! correctly.  This function provides a typical configuration for those pins;
902 
//! other configurations may work as well depending upon the board setup (for
903 
//! example, using the on-chip pull-ups).
904 
//!
905 
//! \note This cannot be used to turn any pin into a PWM pin; it only
906 
//! configures a PWM pin for proper operation.
907 
//!
908 
//! \return None.
909 
//
910 
//*****************************************************************************
911 
#if defined(GROUP_pintypepwm) || defined(BUILD_ALL) || defined(DOXYGEN)
912 
void
913 
GPIOPinTypePWM(unsigned long ulPort, unsigned char ucPins)
914 
{
915 
    //
916 
    // Check the arguments.
917 
    //
918 
    ASSERT((ulPort == GPIO_PORTA_BASE) || (ulPort == GPIO_PORTB_BASE) ||
919 
           (ulPort == GPIO_PORTC_BASE) || (ulPort == GPIO_PORTD_BASE) ||
920 
           (ulPort == GPIO_PORTE_BASE));
921 
 
922 
    //
923 
    // Make the pin(s) be peripheral controlled.
924 
    //
925 
    GPIODirModeSet(ulPort, ucPins, GPIO_DIR_MODE_HW);
926 
 
927 
    //
928 
    // Set the pad(s) for standard push-pull operation.
929 
    //
930 
    GPIOPadConfigSet(ulPort, ucPins, GPIO_STRENGTH_2MA, GPIO_PIN_TYPE_STD);
931 
}
932 
#endif
933 
 
934 
//*****************************************************************************
935 
//
936 
//! Configures pin(s) for use by the QEI peripheral.
937 
//!
938 
//! \param ulPort base address of the selected GPIO port
939 
//! \param ucPins bit-packed representation of the specified pins
940 
//!
941 
//! The QEI pins must be properly configured for the QEI peripheral to function
942 
//! correctly.  This function provides a typical configuration for those pins;
943 
//! other configurations may work as well depending upon the board setup (for
944 
//! example, not using the on-chip pull-ups).
945 
//!
946 
//! \note This cannot be used to turn any pin into a QEI pin; it only
947 
//! configures a QEI pin for proper operation.
948 
//!
949 
//! \return None.
950 
//
951 
//*****************************************************************************
952 
#if defined(GROUP_pintypeqei) || defined(BUILD_ALL) || defined(DOXYGEN)
953 
void
954 
GPIOPinTypeQEI(unsigned long ulPort, unsigned char ucPins)
955 
{
956 
    //
957 
    // Check the arguments.
958 
    //
959 
    ASSERT((ulPort == GPIO_PORTA_BASE) || (ulPort == GPIO_PORTB_BASE) ||
960 
           (ulPort == GPIO_PORTC_BASE) || (ulPort == GPIO_PORTD_BASE) ||
961 
           (ulPort == GPIO_PORTE_BASE));
962 
 
963 
    //
964 
    // Make the pin(s) be peripheral controlled.
965 
    //
966 
    GPIODirModeSet(ulPort, ucPins, GPIO_DIR_MODE_HW);
967 
 
968 
    //
969 
    // Set the pad(s) for standard push-pull operation with a weak pull-up.
970 
    //
971 
    GPIOPadConfigSet(ulPort, ucPins, GPIO_STRENGTH_2MA, GPIO_PIN_TYPE_STD_WPU);
972 
}
973 
#endif
974 
 
975 
//*****************************************************************************
976 
//
977 
//! Configures pin(s) for use by the SSI peripheral.
978 
//!
979 
//! \param ulPort base address of the selected GPIO port
980 
//! \param ucPins bit-packed representation of the specified pins
981 
//!
982 
//! The SSI pins must be properly configured for the SSI peripheral to function
983 
//! correctly.  This function provides a typical configuration for those pins;
984 
//! other configurations may work as well depending upon the board setup (for
985 
//! example, using the on-chip pull-ups).
986 
//!
987 
//! \note This cannot be used to turn any pin into a SSI pin; it only
988 
//! configures a SSI pin for proper operation.
989 
//!
990 
//! \return None.
991 
//
992 
//*****************************************************************************
993 
#if defined(GROUP_pintypessi) || defined(BUILD_ALL) || defined(DOXYGEN)
994 
void
995 
GPIOPinTypeSSI(unsigned long ulPort, unsigned char ucPins)
996 
{
997 
    //
998 
    // Check the arguments.
999 
    //
1000 
    ASSERT((ulPort == GPIO_PORTA_BASE) || (ulPort == GPIO_PORTB_BASE) ||
1001 
           (ulPort == GPIO_PORTC_BASE) || (ulPort == GPIO_PORTD_BASE) ||
1002 
           (ulPort == GPIO_PORTE_BASE));
1003 
 
1004 
    //
1005 
    // Make the pin(s) be peripheral controlled.
1006 
    //
1007 
    GPIODirModeSet(ulPort, ucPins, GPIO_DIR_MODE_HW);
1008 
 
1009 
    //
1010 
    // Set the pad(s) for standard push-pull operation.
1011 
    //
1012 
    GPIOPadConfigSet(ulPort, ucPins, GPIO_STRENGTH_2MA, GPIO_PIN_TYPE_STD);
1013 
}
1014 
#endif
1015 
 
1016 
//*****************************************************************************
1017 
//
1018 
//! Configures pin(s) for use by the Timer peripheral.
1019 
//!
1020 
//! \param ulPort base address of the selected GPIO port
1021 
//! \param ucPins bit-packed representation of the specified pins
1022 
//!
1023 
//! The CCP pins must be properly configured for the timer peripheral to
1024 
//! function correctly.  This function provides a typical configuration for
1025 
//! those pins; other configurations may work as well depending upon the board
1026 
//! setup (for example, using the on-chip pull-ups).
1027 
//!
1028 
//! \note This cannot be used to turn any pin into a timer pin; it only
1029 
//! configures a timer pin for proper operation.
1030 
//!
1031 
//! \return None.
1032 
//
1033 
//*****************************************************************************
1034 
#if defined(GROUP_pintypetimer) || defined(BUILD_ALL) || defined(DOXYGEN)
1035 
void
1036 
GPIOPinTypeTimer(unsigned long ulPort, unsigned char ucPins)
1037 
{
1038 
    //
1039 
    // Check the arguments.
1040 
    //
1041 
    ASSERT((ulPort == GPIO_PORTA_BASE) || (ulPort == GPIO_PORTB_BASE) ||
1042 
           (ulPort == GPIO_PORTC_BASE) || (ulPort == GPIO_PORTD_BASE) ||
1043 
           (ulPort == GPIO_PORTE_BASE));
1044 
 
1045 
    //
1046 
    // Make the pin(s) be peripheral controlled.
1047 
    //
1048 
    GPIODirModeSet(ulPort, ucPins, GPIO_DIR_MODE_HW);
1049 
 
1050 
    //
1051 
    // Set the pad(s) for standard push-pull operation.
1052 
    //
1053 
    GPIOPadConfigSet(ulPort, ucPins, GPIO_STRENGTH_2MA, GPIO_PIN_TYPE_STD);
1054 
}
1055 
#endif
1056 
 
1057 
//*****************************************************************************
1058 
//
1059 
//! Configures pin(s) for use by the UART peripheral.
1060 
//!
1061 
//! \param ulPort base address of the selected GPIO port
1062 
//! \param ucPins bit-packed representation of the specified pins
1063 
//!
1064 
//! The UART pins must be properly configured for the UART peripheral to
1065 
//! function correctly.  This function provides a typical configuration for
1066 
//! those pins; other configurations may work as well depending upon the board
1067 
//! setup (for example, using the on-chip pull-ups).
1068 
//!
1069 
//! \note This cannot be used to turn any pin into a UART pin; it only
1070 
//! configures a UART pin for proper operation.
1071 
//!
1072 
//! \return None.
1073 
//
1074 
//*****************************************************************************
1075 
#if defined(GROUP_pintypeuart) || defined(BUILD_ALL) || defined(DOXYGEN)
1076 
void
1077 
GPIOPinTypeUART(unsigned long ulPort, unsigned char ucPins)
1078 
{
1079 
    //
1080 
    // Check the arguments.
1081 
    //
1082 
    ASSERT((ulPort == GPIO_PORTA_BASE) || (ulPort == GPIO_PORTB_BASE) ||
1083 
           (ulPort == GPIO_PORTC_BASE) || (ulPort == GPIO_PORTD_BASE) ||
1084 
           (ulPort == GPIO_PORTE_BASE));
1085 
 
1086 
    //
1087 
    // Make the pin(s) be peripheral controlled.
1088 
    //
1089 
    GPIODirModeSet(ulPort, ucPins, GPIO_DIR_MODE_HW);
1090 
 
1091 
    //
1092 
    // Set the pad(s) for standard push-pull operation.
1093 
    //
1094 
    GPIOPadConfigSet(ulPort, ucPins, GPIO_STRENGTH_2MA, GPIO_PIN_TYPE_STD);
1095 
}
1096 
#endif
1097 
 
1098 
//*****************************************************************************
1099 
//
1100 
// Close the Doxygen group.
1101 
//! @}
1102 
//
1103 
//*****************************************************************************

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.