gpio.h
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//*****************************************************************************
//
// gpio.h - Defines and Macros for GPIO API.
//
// Copyright (c) 2005-2012 Texas Instruments Incorporated. All rights reserved.
// Software License Agreement
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the
// distribution.
//
// Neither the name of Texas Instruments Incorporated nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// This is part of revision 9453 of the Stellaris Peripheral Driver Library.
//
//*****************************************************************************
#ifndef STELLARIS_GPIO_H
#define STELLARIS_GPIO_H
//*****************************************************************************
//
// If building with a C++ compiler, make all of the definitions in this header
// have a C binding.
//
//*****************************************************************************
#ifdef __cplusplus
extern "C"
{
#endif
//*****************************************************************************
//
// The following values define the bit field for the ucPins argument to several
// of the APIs.
//
//*****************************************************************************
#define GPIO_PIN_0 0x00000001 // GPIO pin 0
#define GPIO_PIN_1 0x00000002 // GPIO pin 1
#define GPIO_PIN_2 0x00000004 // GPIO pin 2
#define GPIO_PIN_3 0x00000008 // GPIO pin 3
#define GPIO_PIN_4 0x00000010 // GPIO pin 4
#define GPIO_PIN_5 0x00000020 // GPIO pin 5
#define GPIO_PIN_6 0x00000040 // GPIO pin 6
#define GPIO_PIN_7 0x00000080 // GPIO pin 7
//*****************************************************************************
//
// Values that can be passed to GPIODirModeSet as the ulPinIO parameter, and
// returned from GPIODirModeGet.
//
//*****************************************************************************
#define GPIO_DIR_MODE_IN 0x00000000 // Pin is a GPIO input
#define GPIO_DIR_MODE_OUT 0x00000001 // Pin is a GPIO output
#define GPIO_DIR_MODE_HW 0x00000002 // Pin is a peripheral function
//*****************************************************************************
//
// Values that can be passed to GPIOIntTypeSet as the ulIntType parameter, and
// returned from GPIOIntTypeGet.
//
//*****************************************************************************
#define GPIO_FALLING_EDGE 0x00000000 // Interrupt on falling edge
#define GPIO_RISING_EDGE 0x00000004 // Interrupt on rising edge
#define GPIO_BOTH_EDGES 0x00000001 // Interrupt on both edges
#define GPIO_LOW_LEVEL 0x00000002 // Interrupt on low level
#define GPIO_HIGH_LEVEL 0x00000007 // Interrupt on high level
#define GPIO_DISCRETE_INT 0x00010000 // Interrupt for individual pins
//*****************************************************************************
//
// Values that can be passed to GPIOPadConfigSet as the ulStrength parameter,
// and returned by GPIOPadConfigGet in the *pulStrength parameter.
//
//*****************************************************************************
#define GPIO_STRENGTH_2MA 0x00000001 // 2mA drive strength
#define GPIO_STRENGTH_4MA 0x00000002 // 4mA drive strength
#define GPIO_STRENGTH_8MA 0x00000004 // 8mA drive strength
#define GPIO_STRENGTH_8MA_SC 0x0000000C // 8mA drive with slew rate control
//*****************************************************************************
//
// Values that can be passed to GPIOPadConfigSet as the ulPadType parameter,
// and returned by GPIOPadConfigGet in the *pulPadType parameter.
//
//*****************************************************************************
#define GPIO_PIN_TYPE_STD 0x00000008 // Push-pull
#define GPIO_PIN_TYPE_STD_WPU 0x0000000A // Push-pull with weak pull-up
#define GPIO_PIN_TYPE_STD_WPD 0x0000000C // Push-pull with weak pull-down
#define GPIO_PIN_TYPE_OD 0x00000009 // Open-drain
#define GPIO_PIN_TYPE_OD_WPU 0x0000000B // Open-drain with weak pull-up
#define GPIO_PIN_TYPE_OD_WPD 0x0000000D // Open-drain with weak pull-down
#define GPIO_PIN_TYPE_ANALOG 0x00000000 // Analog comparator
//*****************************************************************************
//
// Prototypes for the APIs.
//
//*****************************************************************************
extern void GPIODirModeSet(unsigned long ulPort, unsigned char ucPins,
unsigned long ulPinIO);
extern unsigned long GPIODirModeGet(unsigned long ulPort, unsigned char ucPin);
extern void GPIOIntTypeSet(unsigned long ulPort, unsigned char ucPins,
unsigned long ulIntType);
extern unsigned long GPIOIntTypeGet(unsigned long ulPort, unsigned char ucPin);
extern void GPIOPadConfigSet(unsigned long ulPort, unsigned char ucPins,
unsigned long ulStrength,
unsigned long ulPadType);
extern void GPIOPadConfigGet(unsigned long ulPort, unsigned char ucPin,
unsigned long *pulStrength,
unsigned long *pulPadType);
extern void GPIOPinIntEnable(unsigned long ulPort, unsigned char ucPins);
extern void GPIOPinIntDisable(unsigned long ulPort, unsigned char ucPins);
extern long GPIOPinIntStatus(unsigned long ulPort, tBoolean bMasked);
extern void GPIOPinIntClear(unsigned long ulPort, unsigned char ucPins);
extern void GPIOPortIntRegister(unsigned long ulPort,
void (*pfnIntHandler)(void));
extern void GPIOPortIntUnregister(unsigned long ulPort);
extern long GPIOPinRead(unsigned long ulPort, unsigned char ucPins);
extern void GPIOPinWrite(unsigned long ulPort, unsigned char ucPins,
unsigned char ucVal);
extern void GPIOPinConfigure(unsigned long ulPinConfig);
extern void GPIOPinTypeADC(unsigned long ulPort, unsigned char ucPins);
extern void GPIOPinTypeCAN(unsigned long ulPort, unsigned char ucPins);
extern void GPIOPinTypeComparator(unsigned long ulPort, unsigned char ucPins);
extern void GPIOPinTypeEPI(unsigned long ulPort, unsigned char ucPins);
extern void GPIOPinTypeEthernetLED(unsigned long ulPort, unsigned char ucPins);
extern void GPIOPinTypeEthernetMII(unsigned long ulPort, unsigned char ucPins);
extern void GPIOPinTypeFan(unsigned long ulPort, unsigned char ucPins);
extern void GPIOPinTypeGPIOInput(unsigned long ulPort, unsigned char ucPins);
extern void GPIOPinTypeGPIOOutput(unsigned long ulPort, unsigned char ucPins);
extern void GPIOPinTypeGPIOOutputOD(unsigned long ulPort,
unsigned char ucPins);
extern void GPIOPinTypeI2C(unsigned long ulPort, unsigned char ucPins);
extern void GPIOPinTypeI2CSCL(unsigned long ulPort, unsigned char ucPins);
extern void GPIOPinTypeI2S(unsigned long ulPort, unsigned char ucPins);
extern void GPIOPinTypeLPC(unsigned long ulPort, unsigned char ucPins);
extern void GPIOPinTypePECIRx(unsigned long ulPort, unsigned char ucPins);
extern void GPIOPinTypePECITx(unsigned long ulPort, unsigned char ucPins);
extern void GPIOPinTypePWM(unsigned long ulPort, unsigned char ucPins);
extern void GPIOPinTypeQEI(unsigned long ulPort, unsigned char ucPins);
extern void GPIOPinTypeSSI(unsigned long ulPort, unsigned char ucPins);
extern void GPIOPinTypeTimer(unsigned long ulPort, unsigned char ucPins);
extern void GPIOPinTypeUART(unsigned long ulPort, unsigned char ucPins);
extern void GPIOPinTypeUSBAnalog(unsigned long ulPort, unsigned char ucPins);
extern void GPIOPinTypeUSBDigital(unsigned long ulPort, unsigned char ucPins);
extern void GPIODMATriggerEnable(unsigned long ulPort, unsigned char ucPins);
extern void GPIODMATriggerDisable(unsigned long ulPort, unsigned char ucPins);
extern void GPIOADCTriggerEnable(unsigned long ulPort, unsigned char ucPins);
extern void GPIOADCTriggerDisable(unsigned long ulPort, unsigned char ucPins);
//****************************************************************************
//
// The definitions for GPIOPinConfigure previously resided in this file but
// have been moved to pin_map.h and made part-specific (in other words, only
// those definitions that are valid based on the selected part, as defined by
// PART_<partnum>, will be made available). For backwards compatibility,
// pin_map.h is included here so that the expected definitions will still be
// available (though part-specific now, so some that were previously available
// but inappropriate for the given part will not be available).
//
//*****************************************************************************
#ifndef DEPRECATED
#include "pin_map.h"
#endif
//*****************************************************************************
//
// Mark the end of the C bindings section for C++ compilers.
//
//*****************************************************************************
#ifdef __cplusplus
}
#endif
#endif /* STELLARIS_GPIO_H */