| //***************************************************************************** | |
| // | |
| // gpio.h - Defines and Macros for GPIO API. | |
| // | |
| // Copyright (c) 2005,2006 Luminary Micro, Inc. All rights reserved. | |
| // | |
| // Software License Agreement | |
| // | |
| // Luminary Micro, Inc. (LMI) is supplying this software for use solely and | |
| // exclusively on LMI's Stellaris Family of microcontroller products. | |
| // | |
| // The software is owned by LMI and/or its suppliers, and is protected under | |
| // applicable copyright laws. All rights are reserved. Any use in violation | |
| // of the foregoing restrictions may subject the user to criminal sanctions | |
| // under applicable laws, as well as to civil liability for the breach of the | |
| // terms and conditions of this license. | |
| // | |
| // THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED | |
| // OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF | |
| // MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. | |
| // LMI SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR | |
| // CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER. | |
| // | |
| // This is part of revision 523 of the Stellaris Driver Library. | |
| // | |
| //***************************************************************************** | |
| #ifndef __GPIO_H__ | |
| #define __GPIO_H__ | |
| #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 | |
| //***************************************************************************** | |
| // | |
| // 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 (*pfIntHandler)(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 GPIOPinTypeComparator(unsigned long ulPort, unsigned char ucPins); | |
| extern void GPIOPinTypeI2C(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); | |
| #ifdef __cplusplus | |
| } | |
| #endif | |
| #endif // __GPIO_H__ |