20885c64e8
git-svn-id: https://svn.vbchaos.nl/svn/hsb/trunk@419 05563f52-14a8-4384-a975-3d1654cca0fa
124 lines
3.9 KiB
C
124 lines
3.9 KiB
C
// -----------------------------------------------------------------------------
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/// @file gpio.h
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/// @brief File description
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// -----------------------------------------------------------------------------
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// Micro-Key bv
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// Industrieweg 28, 9804 TG Noordhorn
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// Postbus 92, 9800 AB Zuidhorn
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// The Netherlands
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// Tel: +31 594 503020
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// Fax: +31 594 505825
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// Email: support@microkey.nl
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// Web: www.microkey.nl
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// -----------------------------------------------------------------------------
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/// $Revision$
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/// $Author$
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/// $Date$
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// (c) 2015 Micro-Key bv
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// -----------------------------------------------------------------------------
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/**
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* GPIO implementation
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* \defgroup GPIO Package GPIO
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* \ingroup Platform
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* @{
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*/
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#ifndef INC_GPIO_H_
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#define INC_GPIO_H_
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// -----------------------------------------------------------------------------
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// Include files
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// -----------------------------------------------------------------------------
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#include <stdbool.h>
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#include "platform.h"
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#include "IODevice.h"
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// -----------------------------------------------------------------------------
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// Constant and macro definitions
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// -----------------------------------------------------------------------------
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// -----------------------------------------------------------------------------
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// Type definitions.
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// -----------------------------------------------------------------------------
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typedef enum
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{
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INPUT = 0,
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OUTPUT = !INPUT
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} GpioDirection;
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struct Gpio
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{
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struct IODevice device;
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T_PL_GPIO gpio;
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GpioDirection direction;
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bool status;
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bool initialized;
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};
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// -----------------------------------------------------------------------------
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// Function declarations
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// -----------------------------------------------------------------------------
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/** ----------------------------------------------------------------------------
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* GPIO_construct
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* Constructs a GPIO as IODevice
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*
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* @param self The GPIO instance
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* @param direction Direction of the GPIO
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* - INPUT or OUTPUT
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* @param io The Input/Output to use
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*
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* @return ErrorStatus SUCCESS if construction was successful
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* ERROR otherwise
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*
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* @todo
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* -----------------------------------------------------------------------------
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*/
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extern ErrorStatus GPIO_construct(struct Gpio* self, GpioDirection direction, T_PL_GPIO io);
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/** ----------------------------------------------------------------------------
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* GPIO_setValue
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* Sets value to GPIO self
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*
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* @param self The GPIO instance
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* @param value the value to use
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* 0 => Output LOW
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* 1 => Output HIGH
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*
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* @return ErrorStatus SUCCESS if construction was successful
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* ERROR otherwise
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*
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* @todo
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* -----------------------------------------------------------------------------
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*/
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extern ErrorStatus GPIO_setValue(struct Gpio* self, bool value);
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/** ----------------------------------------------------------------------------
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* GPIO_getValue
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* Gets value from GPIO self
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*
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* @param self The GPIO instance
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* @param value the value that has been read
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* 0 => Output LOW
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* 1 => Output HIGH
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*
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* @return ErrorStatus SUCCESS if construction was successful
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* ERROR otherwise
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*
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* @todo
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* -----------------------------------------------------------------------------
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*/
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extern ErrorStatus GPIO_getValue(struct Gpio* self, bool* value);
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#endif /* INC_GPIO_H_ */
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/** @} */
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