diff options
Diffstat (limited to 'firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/DRIVERS/EIC')
| -rw-r--r-- | firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/DRIVERS/EIC/eic.c | 183 | ||||
| -rw-r--r-- | firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/DRIVERS/EIC/eic.h | 275 |
2 files changed, 458 insertions, 0 deletions
diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/DRIVERS/EIC/eic.c b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/DRIVERS/EIC/eic.c new file mode 100644 index 0000000..1008c94 --- /dev/null +++ b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/DRIVERS/EIC/eic.c @@ -0,0 +1,183 @@ +/* This source 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 + * + */ + +#include <avr32/io.h> +#include "compiler.h" +#include "preprocessor.h" +#include "eic.h" + + + +void eic_init(volatile avr32_eic_t *eic, const eic_options_t *opt, unsigned int nb_lines) +{ + int i; + for (i = 0; i < nb_lines; i++) + { + // Set up mode level + eic->mode = (opt[i].eic_mode == 1) ? (eic->mode | (1 << opt[i].eic_line)) : (eic->mode & ~(1 << opt[i].eic_line)); + // Set up edge type + eic->edge = (opt[i].eic_edge == 1) ? (eic->edge | (1 << opt[i].eic_line)) : (eic->edge & ~(1 << opt[i].eic_line)); + // Set up level + eic->level = (opt[i].eic_level == 1) ? (eic->level | (1 << opt[i].eic_line)) : (eic->level & ~(1 << opt[i].eic_line)); + // Set up if filter is used + eic->filter = (opt[i].eic_filter == 1) ? (eic->filter | (1 << opt[i].eic_line)) : (eic->filter & ~(1 << opt[i].eic_line)); + // Set up which mode is used : asynchronous mode/ synchronous mode + eic->async = (opt[i].eic_async == 1) ? (eic->async | (1 << opt[i].eic_line)) : (eic->async & ~(1 << opt[i].eic_line)); + } +} + +void eic_enable_lines(volatile avr32_eic_t *eic, unsigned int mask_lines) +{ + eic->en = mask_lines; +} + +void eic_enable_line(volatile avr32_eic_t *eic, unsigned int line_number) +{ + // Enable line line_number + eic->en = 1 << line_number; +} + +void eic_disable_lines(volatile avr32_eic_t *eic, unsigned int mask_lines) +{ + eic->dis = mask_lines; +} + +void eic_disable_line(volatile avr32_eic_t *eic, unsigned int line_number) +{ + // Disable line line_number + eic->dis = 1 << line_number; +} + +Bool eic_is_line_enabled(volatile avr32_eic_t *eic, unsigned int line_number) +{ + return (eic->ctrl & (1 << line_number)) != 0; +} + +void eic_enable_interrupt_lines(volatile avr32_eic_t *eic, unsigned int mask_lines) +{ + eic->ier = mask_lines; +} + +void eic_enable_interrupt_line(volatile avr32_eic_t *eic, unsigned int line_number) +{ + // Enable line line_number + eic->ier = 1 << line_number; +} + +void eic_disable_interrupt_lines(volatile avr32_eic_t *eic, unsigned int mask_lines) +{ + Bool global_interrupt_enabled = Is_global_interrupt_enabled(); + + if (global_interrupt_enabled) Disable_global_interrupt(); + eic->idr = mask_lines; + eic->imr; + if (global_interrupt_enabled) Enable_global_interrupt(); +} + +void eic_disable_interrupt_line(volatile avr32_eic_t *eic, unsigned int line_number) +{ + Bool global_interrupt_enabled = Is_global_interrupt_enabled(); + + // Disable line line_number + if (global_interrupt_enabled) Disable_global_interrupt(); + eic->idr = 1 << line_number; + eic->imr; + if (global_interrupt_enabled) Enable_global_interrupt(); +} + +Bool eic_is_interrupt_line_enabled(volatile avr32_eic_t *eic, unsigned int line_number) +{ + return (eic->imr & (1 << line_number)) != 0; +} + +void eic_clear_interrupt_lines(volatile avr32_eic_t *eic, unsigned int mask_lines) +{ + Bool global_interrupt_enabled = Is_global_interrupt_enabled(); + + if (global_interrupt_enabled) Disable_global_interrupt(); + eic->icr = mask_lines; + eic->isr; + if (global_interrupt_enabled) Enable_global_interrupt(); +} + +void eic_clear_interrupt_line(volatile avr32_eic_t *eic, unsigned int line_number) +{ + Bool global_interrupt_enabled = Is_global_interrupt_enabled(); + + // Clear line line_number + if (global_interrupt_enabled) Disable_global_interrupt(); + eic->icr = 1 << line_number; + eic->isr; + if (global_interrupt_enabled) Enable_global_interrupt(); +} + +Bool eic_is_interrupt_line_pending(volatile avr32_eic_t *eic, unsigned int line_number) +{ + return (eic->isr & (1 << line_number)) != 0; +} + +#if !defined(AVR32_EIC_301_H_INCLUDED) +void eic_enable_interrupt_scan(volatile avr32_eic_t *eic,unsigned int presc) +{ + // Enable SCAN function with PRESC value + eic->scan |= (presc << AVR32_EIC_SCAN_PRESC_OFFSET) | (1 << AVR32_EIC_SCAN_EN_OFFSET); +} + +void eic_disable_interrupt_scan(volatile avr32_eic_t *eic) +{ + // Disable SCAN function + eic->scan = 0 << AVR32_EIC_SCAN_EN_OFFSET; +} + +unsigned long eic_get_interrupt_pad_scan(volatile avr32_eic_t *eic) +{ + // Return pad number that causes interrupt + return(eic->scan>>AVR32_EIC_SCAN_PIN_OFFSET); +} +#endif
\ No newline at end of file diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/DRIVERS/EIC/eic.h b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/DRIVERS/EIC/eic.h new file mode 100644 index 0000000..32641b7 --- /dev/null +++ b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/DRIVERS/EIC/eic.h @@ -0,0 +1,275 @@ +/* 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_ |