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authorDavid Madison <dmadison@users.noreply.github.com>2019-02-15 12:08:19 -0500
committerDavid Madison <dmadison@users.noreply.github.com>2019-02-15 12:08:31 -0500
commit4a7ef06b516dba4cdda939a16e5458c59592f6b1 (patch)
treeb00e15e665a2f456c1fb207aeb9ac12283181a00 /firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/DRIVERS/EIC/eic.h
parent98f00eb533e0ed571b90f8e014d1eb59052a0597 (diff)
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-/* This header file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */
-
-/*This file is prepared for Doxygen automatic documentation generation.*/
-/*! \file *********************************************************************
- *
- * \brief EIC driver for AVR32 UC3.
- *
- * AVR32 External Interrupt Controller driver module.
- *
- * - Compiler: IAR EWAVR32 and GNU GCC for AVR32
- * - Supported devices: All AVR32 devices with an EIC module can be used.
- * - AppNote:
- *
- * \author Atmel Corporation: http://www.atmel.com \n
- * Support and FAQ: http://support.atmel.no/
- *
- ******************************************************************************/
-
-/* Copyright (c) 2009 Atmel Corporation. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice, this
- * list of conditions and the following disclaimer.
- *
- * 2. 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.
- *
- * 3. The name of Atmel may not be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * 4. This software may only be redistributed and used in connection with an Atmel
- * AVR product.
- *
- * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
- * EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL 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
- *
- */
-
-#ifndef _EIC_H_
-#define _EIC_H_
-
-#include "compiler.h"
-
-/*! \name External Interrupt lines
- */
-//! @{
-#if (UC3A || UC3B)
-#define EXT_INT0 AVR32_EIC_INT0 //!< Line 0
-#define EXT_INT1 AVR32_EIC_INT1 //!< Line 1
-#define EXT_INT2 AVR32_EIC_INT2 //!< Line 2
-#define EXT_INT3 AVR32_EIC_INT3 //!< Line 3
-#define EXT_INT4 AVR32_EIC_INT4 //!< Line 4
-#define EXT_INT5 AVR32_EIC_INT5 //!< Line 5
-#define EXT_INT6 AVR32_EIC_INT6 //!< Line 6
-#define EXT_INT7 AVR32_EIC_INT7 //!< Line 7
-#define EXT_NMI AVR32_EIC_NMI //!< Line 8
-#else
-#define EXT_INT0 AVR32_EIC_INT1 //!< Line 0
-#define EXT_INT1 AVR32_EIC_INT2 //!< Line 1
-#define EXT_INT2 AVR32_EIC_INT3 //!< Line 2
-#define EXT_INT3 AVR32_EIC_INT4 //!< Line 3
-#define EXT_INT4 AVR32_EIC_INT5 //!< Line 4
-#define EXT_INT5 AVR32_EIC_INT6 //!< Line 5
-#define EXT_INT6 AVR32_EIC_INT7 //!< Line 6
-#define EXT_INT7 AVR32_EIC_INT8 //!< Line 7
-#define EXT_NMI AVR32_EIC_NMI //!< Line 8
-
-#endif
-
-//! @}
-
-/*! \name Mode Trigger Options
- */
-//! @{
-#define EIC_MODE_EDGE_TRIGGERED AVR32_EIC_EDGE_IRQ //!<
-#define EIC_MODE_LEVEL_TRIGGERED AVR32_EIC_LEVEL_IRQ //!<
-//! @}
-
-/*! \name Edge level Options
- */
-//! @{
-#define EIC_EDGE_FALLING_EDGE AVR32_EIC_FALLING_EDGE //!<
-#define EIC_EDGE_RISING_EDGE AVR32_EIC_RISING_EDGE //!<
-//! @}
-
-/*! \name Level Options
- */
-//! @{
-#define EIC_LEVEL_LOW_LEVEL AVR32_EIC_LOW_LEVEL //!<
-#define EIC_LEVEL_HIGH_LEVEL AVR32_EIC_HIGH_LEVEL //!<
-//! @}
-
-/*! \name Filter Options
- */
-//! @{
-#define EIC_FILTER_ENABLED AVR32_EIC_FILTER_ON //!<
-#define EIC_FILTER_DISABLED AVR32_EIC_FILTER_OFF //!<
-//! @}
-
-/*! \name Synch Mode Options
- */
-//! @{
-#define EIC_SYNCH_MODE AVR32_EIC_SYNC //!<
-#define EIC_ASYNCH_MODE AVR32_EIC_USE_ASYNC //!<
-//! @}
-
-//! Configuration parameters of the EIC module.
-typedef struct
-{
- //!Line
- unsigned char eic_line;
-
- //! Mode : EDGE_LEVEL or TRIGGER_LEVEL
- unsigned char eic_mode;
-
- //! Edge : FALLING_EDGE or RISING_EDGE
- unsigned char eic_edge;
-
- //! Level : LOW_LEVEL or HIGH_LEVEL
- unsigned char eic_level;
-
- //! Filter: NOT_FILTERED or FILTERED
- unsigned char eic_filter;
-
- //! Async: SYNC mode or ASYNC
- unsigned char eic_async;
-
-} eic_options_t;
-
-
-/*! \brief Init the EIC driver.
- *
- * \param eic Base address of the EIC module
- * \param opt Configuration parameters of the EIC module (see \ref eic_options_t)
- * \param nb_lines Number of lines to consider, equal to size of opt buffer
- */
-extern void eic_init(volatile avr32_eic_t *eic, const eic_options_t *opt, unsigned int nb_lines);
-
-/*! \brief Enable the EIC driver.
- *
- * \param eic Base address of the EIC module
- * \param mask_lines Mask for current selected lines
- */
-extern void eic_enable_lines(volatile avr32_eic_t *eic, unsigned int mask_lines);
-
-/*! \brief Enable the EIC driver.
- *
- * \param eic Base address of the EIC module
- * \param line_number Line number to enable
- */
-extern void eic_enable_line(volatile avr32_eic_t *eic, unsigned int line_number);
-
-/*! \brief Disable the EIC driver.
- *
- * \param eic Base address of the EIC module
- * \param mask_lines Mask for current selected lines
- */
-extern void eic_disable_lines(volatile avr32_eic_t *eic, unsigned int mask_lines);
-
-/*! \brief Disable the EIC driver.
- *
- * \param eic Base address of the EIC module
- * \param line_number Line number to disable
- */
-extern void eic_disable_line(volatile avr32_eic_t *eic, unsigned int line_number);
-
-/*! \brief Tells whether an EIC line is enabled.
- *
- * \param eic Base address of the EIC module
- * \param line_number Line number to test
- *
- * \return Whether an EIC line is enabled.
- */
-extern Bool eic_is_line_enabled(volatile avr32_eic_t *eic, unsigned int line_number);
-
-/*! \name Interrupt Control Functions
- */
-//! @{
-
-/*! \brief Enable the interrupt feature of the EIC.
- *
- * \param eic Base address of the EIC (i.e. &AVR32_EIC).
- * \param mask_lines Mask for current selected lines
- */
-extern void eic_enable_interrupt_lines(volatile avr32_eic_t *eic, unsigned int mask_lines);
-
-/*! \brief Enable the interrupt feature of the EIC.
- *
- * \param eic Base address of the EIC (i.e. &AVR32_EIC).
- * \param line_number Line number to enable
- */
-extern void eic_enable_interrupt_line(volatile avr32_eic_t *eic, unsigned int line_number);
-
-/*! \brief Disable the interrupt feature of the EIC.
- *
- * \param eic Base address of the EIC (i.e. &AVR32_EIC).
- * \param mask_lines Mask for current selected lines
- */
-extern void eic_disable_interrupt_lines(volatile avr32_eic_t *eic, unsigned int mask_lines);
-
-/*! \brief Disable the interrupt feature of the EIC.
- *
- * \param eic Base address of the EIC (i.e. &AVR32_EIC).
- * \param line_number Line number to disable
- */
-extern void eic_disable_interrupt_line(volatile avr32_eic_t *eic, unsigned int line_number);
-
-/*! \brief Tells whether an EIC interrupt line is enabled.
- *
- * \param eic Base address of the EIC module
- * \param line_number Line number to test
- *
- * \return Whether an EIC interrupt line is enabled.
- */
-extern Bool eic_is_interrupt_line_enabled(volatile avr32_eic_t *eic, unsigned int line_number);
-
-/*! \brief Clear the interrupt flag.
- * Call this function once you've handled the interrupt.
- *
- * \param eic Base address of the EIC (i.e. &AVR32_EIC).
- * \param mask_lines Mask for current selected lines
- */
-extern void eic_clear_interrupt_lines(volatile avr32_eic_t *eic, unsigned int mask_lines);
-
-/*! \brief Clear the interrupt flag.
- * Call this function once you've handled the interrupt.
- *
- * \param eic Base address of the EIC (i.e. &AVR32_EIC).
- * \param line_number Line number to clear
- */
-extern void eic_clear_interrupt_line(volatile avr32_eic_t *eic, unsigned int line_number);
-
-/*! \brief Tells whether an EIC interrupt line is pending.
- *
- * \param eic Base address of the EIC module
- * \param line_number Line number to test
- *
- * \return Whether an EIC interrupt line is pending.
- */
-extern Bool eic_is_interrupt_line_pending(volatile avr32_eic_t *eic, unsigned int line_number);
-
-/*! \brief Enable the interrupt scan feature of the EIC.
- *
- * \param eic Base address of the EIC (i.e. &AVR32_EIC).
- * \param presc Prescale select for the keypad scan rate in the range [0,31].
- */
-extern void eic_enable_interrupt_scan(volatile avr32_eic_t *eic, unsigned int presc);
-
-/*! \brief Disable the interrupt scan feature of the EIC.
- *
- * \param eic Base address of the EIC (i.e. &AVR32_EIC).
- */
-extern void eic_disable_interrupt_scan(volatile avr32_eic_t *eic);
-
-/*! \brief Return scan pad number that causes interrupt.
- *
- * \param eic Base address of the EIC (i.e. &AVR32_EIC).
- */
-extern unsigned long eic_get_interrupt_pad_scan(volatile avr32_eic_t *eic);
-
-//! @}
-
-
-#endif // _EIC_H_