2013-01-08 22:40:58 +08:00
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//*****************************************************************************
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//
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// gpio.h - Defines and Macros for GPIO API.
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//
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// Copyright (c) 2005-2011 Texas Instruments Incorporated. All rights reserved.
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// Software License Agreement
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//
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// Texas Instruments (TI) is supplying this software for use solely and
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// exclusively on TI's microcontroller products. The software is owned by
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// TI and/or its suppliers, and is protected under applicable copyright
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// laws. You may not combine this software with "viral" open-source
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// software in order to form a larger program.
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//
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// THIS SOFTWARE IS PROVIDED "AS IS" AND WITH ALL FAULTS.
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// NO WARRANTIES, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING, BUT
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// NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. TI SHALL NOT, UNDER ANY
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// CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR CONSEQUENTIAL
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// DAMAGES, FOR ANY REASON WHATSOEVER.
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//
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// This is part of revision 8264 of the Stellaris Peripheral Driver Library.
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//
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//*****************************************************************************
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#ifndef __GPIO_H__
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#define __GPIO_H__
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//*****************************************************************************
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//
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// If building with a C++ compiler, make all of the definitions in this header
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// have a C binding.
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//
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//*****************************************************************************
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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//*****************************************************************************
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//
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// The following values define the bit field for the ucPins argument to several
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// of the APIs.
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//
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//*****************************************************************************
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#define GPIO_PIN_0 0x00000001 // GPIO pin 0
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#define GPIO_PIN_1 0x00000002 // GPIO pin 1
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#define GPIO_PIN_2 0x00000004 // GPIO pin 2
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#define GPIO_PIN_3 0x00000008 // GPIO pin 3
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#define GPIO_PIN_4 0x00000010 // GPIO pin 4
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#define GPIO_PIN_5 0x00000020 // GPIO pin 5
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#define GPIO_PIN_6 0x00000040 // GPIO pin 6
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#define GPIO_PIN_7 0x00000080 // GPIO pin 7
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//*****************************************************************************
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//
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// Values that can be passed to GPIODirModeSet as the ulPinIO parameter, and
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// returned from GPIODirModeGet.
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//
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//*****************************************************************************
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#define GPIO_DIR_MODE_IN 0x00000000 // Pin is a GPIO input
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#define GPIO_DIR_MODE_OUT 0x00000001 // Pin is a GPIO output
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#define GPIO_DIR_MODE_HW 0x00000002 // Pin is a peripheral function
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//*****************************************************************************
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//
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// Values that can be passed to GPIOIntTypeSet as the ulIntType parameter, and
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// returned from GPIOIntTypeGet.
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//
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//*****************************************************************************
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#define GPIO_FALLING_EDGE 0x00000000 // Interrupt on falling edge
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#define GPIO_RISING_EDGE 0x00000004 // Interrupt on rising edge
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#define GPIO_BOTH_EDGES 0x00000001 // Interrupt on both edges
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#define GPIO_LOW_LEVEL 0x00000002 // Interrupt on low level
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#define GPIO_HIGH_LEVEL 0x00000007 // Interrupt on high level
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#define GPIO_DISCRETE_INT 0x00010000 // Interrupt for individual pins
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//*****************************************************************************
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//
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// Values that can be passed to GPIOPadConfigSet as the ulStrength parameter,
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// and returned by GPIOPadConfigGet in the *pulStrength parameter.
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//
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//*****************************************************************************
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#define GPIO_STRENGTH_2MA 0x00000001 // 2mA drive strength
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#define GPIO_STRENGTH_4MA 0x00000002 // 4mA drive strength
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#define GPIO_STRENGTH_8MA 0x00000004 // 8mA drive strength
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#define GPIO_STRENGTH_8MA_SC 0x0000000C // 8mA drive with slew rate control
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//*****************************************************************************
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//
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// Values that can be passed to GPIOPadConfigSet as the ulPadType parameter,
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// and returned by GPIOPadConfigGet in the *pulPadType parameter.
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//
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//*****************************************************************************
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#define GPIO_PIN_TYPE_STD 0x00000008 // Push-pull
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#define GPIO_PIN_TYPE_STD_WPU 0x0000000A // Push-pull with weak pull-up
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#define GPIO_PIN_TYPE_STD_WPD 0x0000000C // Push-pull with weak pull-down
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#define GPIO_PIN_TYPE_OD 0x00000009 // Open-drain
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#define GPIO_PIN_TYPE_OD_WPU 0x0000000B // Open-drain with weak pull-up
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#define GPIO_PIN_TYPE_OD_WPD 0x0000000D // Open-drain with weak pull-down
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#define GPIO_PIN_TYPE_ANALOG 0x00000000 // Analog comparator
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//*****************************************************************************
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//
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// Prototypes for the APIs.
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//
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//*****************************************************************************
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extern void GPIODirModeSet(unsigned long ulPort, unsigned char ucPins,
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unsigned long ulPinIO);
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extern unsigned long GPIODirModeGet(unsigned long ulPort, unsigned char ucPin);
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extern void GPIOIntTypeSet(unsigned long ulPort, unsigned char ucPins,
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unsigned long ulIntType);
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extern unsigned long GPIOIntTypeGet(unsigned long ulPort, unsigned char ucPin);
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extern void GPIOPadConfigSet(unsigned long ulPort, unsigned char ucPins,
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unsigned long ulStrength,
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unsigned long ulPadType);
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extern void GPIOPadConfigGet(unsigned long ulPort, unsigned char ucPin,
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unsigned long *pulStrength,
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unsigned long *pulPadType);
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extern void GPIOPinIntEnable(unsigned long ulPort, unsigned char ucPins);
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extern void GPIOPinIntDisable(unsigned long ulPort, unsigned char ucPins);
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extern long GPIOPinIntStatus(unsigned long ulPort, tBoolean bMasked);
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extern void GPIOPinIntClear(unsigned long ulPort, unsigned char ucPins);
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extern void GPIOPortIntRegister(unsigned long ulPort,
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void (*pfnIntHandler)(void));
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extern void GPIOPortIntUnregister(unsigned long ulPort);
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extern long GPIOPinRead(unsigned long ulPort, unsigned char ucPins);
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extern void GPIOPinWrite(unsigned long ulPort, unsigned char ucPins,
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unsigned char ucVal);
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extern void GPIOPinConfigure(unsigned long ulPinConfig);
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extern void GPIOPinTypeADC(unsigned long ulPort, unsigned char ucPins);
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extern void GPIOPinTypeCAN(unsigned long ulPort, unsigned char ucPins);
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extern void GPIOPinTypeComparator(unsigned long ulPort, unsigned char ucPins);
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extern void GPIOPinTypeEPI(unsigned long ulPort, unsigned char ucPins);
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extern void GPIOPinTypeEthernetLED(unsigned long ulPort, unsigned char ucPins);
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extern void GPIOPinTypeEthernetMII(unsigned long ulPort, unsigned char ucPins);
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extern void GPIOPinTypeFan(unsigned long ulPort, unsigned char ucPins);
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extern void GPIOPinTypeGPIOInput(unsigned long ulPort, unsigned char ucPins);
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extern void GPIOPinTypeGPIOOutput(unsigned long ulPort, unsigned char ucPins);
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extern void GPIOPinTypeGPIOOutputOD(unsigned long ulPort,
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unsigned char ucPins);
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extern void GPIOPinTypeI2C(unsigned long ulPort, unsigned char ucPins);
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extern void GPIOPinTypeI2CSCL(unsigned long ulPort, unsigned char ucPins);
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extern void GPIOPinTypeI2S(unsigned long ulPort, unsigned char ucPins);
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extern void GPIOPinTypeLPC(unsigned long ulPort, unsigned char ucPins);
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extern void GPIOPinTypePECIRx(unsigned long ulPort, unsigned char ucPins);
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extern void GPIOPinTypePECITx(unsigned long ulPort, unsigned char ucPins);
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extern void GPIOPinTypePWM(unsigned long ulPort, unsigned char ucPins);
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extern void GPIOPinTypeQEI(unsigned long ulPort, unsigned char ucPins);
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extern void GPIOPinTypeSSI(unsigned long ulPort, unsigned char ucPins);
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extern void GPIOPinTypeTimer(unsigned long ulPort, unsigned char ucPins);
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extern void GPIOPinTypeUART(unsigned long ulPort, unsigned char ucPins);
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extern void GPIOPinTypeUSBAnalog(unsigned long ulPort, unsigned char ucPins);
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extern void GPIOPinTypeUSBDigital(unsigned long ulPort, unsigned char ucPins);
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extern void GPIODMATriggerEnable(unsigned long ulPort, unsigned char ucPins);
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extern void GPIODMATriggerDisable(unsigned long ulPort, unsigned char ucPins);
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extern void GPIOADCTriggerEnable(unsigned long ulPort, unsigned char ucPins);
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extern void GPIOADCTriggerDisable(unsigned long ulPort, unsigned char ucPins);
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//****************************************************************************
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//
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// The definitions for GPIOPinConfigure previously resided in this file but
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// have been moved to pin_map.h and made part-specific (in other words, only
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// those definitions that are valid based on the selected part, as defined by
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// PART_<partnum>, will be made available). For backwards compatibility,
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// pin_map.h is included here so that the expected definitions will still be
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// available (though part-specific now, so some that were previously available
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// but inappropriate for the given part will not be available).
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//
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//*****************************************************************************
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#ifndef DEPRECATED
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#include "pin_map.h"
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#endif
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//*****************************************************************************
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//
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// Mark the end of the C bindings section for C++ compilers.
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//
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//*****************************************************************************
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#ifdef __cplusplus
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}
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#endif
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#endif // __GPIO_H__
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