diff options
Diffstat (limited to 'firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/DRIVERS/RTC')
| -rw-r--r-- | firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/DRIVERS/RTC/rtc.c | 213 | ||||
| -rw-r--r-- | firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/DRIVERS/RTC/rtc.h | 191 |
2 files changed, 0 insertions, 404 deletions
diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/DRIVERS/RTC/rtc.c b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/DRIVERS/RTC/rtc.c deleted file mode 100644 index 4cbae0f..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/DRIVERS/RTC/rtc.c +++ /dev/null @@ -1,213 +0,0 @@ -/* 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 RTC driver for AVR32 UC3. - * - * AVR32 Real Time Counter driver module. - * - * - Compiler: GNU GCC for AVR32 - * - Supported devices: All AVR32 devices with an RTC and a PM 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 "pm.h" -#include "rtc.h" - - -int rtc_is_busy(volatile avr32_rtc_t *rtc) -{ - return (rtc->ctrl & AVR32_RTC_CTRL_BUSY_MASK) != 0; -} - - -int rtc_init(volatile avr32_rtc_t *rtc, unsigned char osc_type, unsigned char psel) -{ - // If exit, it means that the configuration has not been set correctly - if (osc_type > (1 << AVR32_RTC_CTRL_CLK32_SIZE) - 1 || - psel > (1 << AVR32_RTC_CTRL_PSEL_SIZE) - 1) - return 0; - - // If we use the 32-kHz oscillator, we have to enable it first - if (osc_type == RTC_OSC_32KHZ) - { - // Select the 32-kHz oscillator crystal - pm_enable_osc32_crystal(&AVR32_PM); - // Enable the 32-kHz clock - pm_enable_clk32_no_wait(&AVR32_PM, AVR32_PM_OSCCTRL32_STARTUP_0_RCOSC); - } - - // Wait until the rtc CTRL register is up-to-date - while (rtc_is_busy(rtc)); - - // Set the new RTC configuration - rtc->ctrl = osc_type << AVR32_RTC_CTRL_CLK32_OFFSET | - psel << AVR32_RTC_CTRL_PSEL_OFFSET | - AVR32_RTC_CTRL_CLKEN_MASK; - - // Wait until write is done - while (rtc_is_busy(rtc)); - - // Set the counter value to 0 - rtc_set_value(rtc, 0x00000000); - // Set the top value to 0xFFFFFFFF - rtc_set_top_value(rtc, 0xFFFFFFFF); - - return 1; -} - - -void rtc_set_value(volatile avr32_rtc_t *rtc, unsigned long val) -{ - // Wait until we can write into the VAL register - while (rtc_is_busy(rtc)); - // Set the new val value - rtc->val = val; - // Wait until write is done - while (rtc_is_busy(rtc)); -} - - -unsigned long rtc_get_value(volatile avr32_rtc_t *rtc) -{ - return rtc->val; -} - - -void rtc_enable_wake_up(volatile avr32_rtc_t *rtc) -{ - // Wait until the rtc CTRL register is up-to-date - while (rtc_is_busy(rtc)); - // Enable the wake up of the RTC - rtc->ctrl |= AVR32_RTC_CTRL_WAKE_EN_MASK; - // Wait until write is done - while (rtc_is_busy(rtc)); -} - - -void rtc_disable_wake_up(volatile avr32_rtc_t *rtc) -{ - // Wait until the rtc CTRL register is up-to-date - while (rtc_is_busy(rtc)); - // Disable the wake up of the RTC - rtc->ctrl &= ~AVR32_RTC_CTRL_WAKE_EN_MASK; - // Wait until write is done - while (rtc_is_busy(rtc)); -} - - -void rtc_enable(volatile avr32_rtc_t *rtc) -{ - // Wait until the rtc CTRL register is up-to-date - while (rtc_is_busy(rtc)); - // Enable the RTC - rtc->ctrl |= AVR32_RTC_CTRL_EN_MASK; - // Wait until write is done - while (rtc_is_busy(rtc)); -} - - -void rtc_disable(volatile avr32_rtc_t *rtc) -{ - // Wait until the rtc CTRL register is up-to-date - while (rtc_is_busy(rtc)); - // Disable the RTC - rtc->ctrl &= ~AVR32_RTC_CTRL_EN_MASK; - // Wait until write is done - while (rtc_is_busy(rtc)); -} - - -void rtc_enable_interrupt(volatile avr32_rtc_t *rtc) -{ - rtc->ier = AVR32_RTC_IER_TOPI_MASK; -} - - -void rtc_disable_interrupt(volatile avr32_rtc_t *rtc) -{ - Bool global_interrupt_enabled = Is_global_interrupt_enabled(); - - if (global_interrupt_enabled) Disable_global_interrupt(); - rtc->idr = AVR32_RTC_IDR_TOPI_MASK; - rtc->imr; - if (global_interrupt_enabled) Enable_global_interrupt(); -} - - -void rtc_clear_interrupt(volatile avr32_rtc_t *rtc) -{ - Bool global_interrupt_enabled = Is_global_interrupt_enabled(); - - if (global_interrupt_enabled) Disable_global_interrupt(); - rtc->icr = AVR32_RTC_ICR_TOPI_MASK; - rtc->isr; - if (global_interrupt_enabled) Enable_global_interrupt(); -} - - -void rtc_set_top_value(volatile avr32_rtc_t *rtc, unsigned long top) -{ - // Wait until we can write into the VAL register - while (rtc_is_busy(rtc)); - // Set the new val value - rtc->top = top; - // Wait until write is done - while (rtc_is_busy(rtc)); -} - - -unsigned long rtc_get_top_value(volatile avr32_rtc_t *rtc) -{ - return rtc->top; -} - - -int rtc_interrupt_enabled(volatile avr32_rtc_t *rtc) -{ - return (rtc->imr & AVR32_RTC_IMR_TOPI_MASK) != 0; -} - - -int rtc_is_interrupt(volatile avr32_rtc_t *rtc) -{ - return (rtc->isr & AVR32_RTC_ISR_TOPI_MASK) != 0; -} diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/DRIVERS/RTC/rtc.h b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/DRIVERS/RTC/rtc.h deleted file mode 100644 index 5702c29..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/DRIVERS/RTC/rtc.h +++ /dev/null @@ -1,191 +0,0 @@ -/* 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 RTC driver for AVR32 UC3. - * - * AVR32 Real Time Counter driver module. - * - * - Compiler: GNU GCC for AVR32 - * - Supported devices: All AVR32 devices with an RTC and a PM 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 _RTC_H_ -#define _RTC_H_ - -#include "compiler.h" -#include <avr32/io.h> - - -/*! \name Oscillator Types - */ -//! @{ -#define RTC_OSC_32KHZ 1 -#define RTC_OSC_RC 0 -//! @} - -/*! \name Predefined PSEL Values - */ -//! @{ - -//! The PSEL value to set the RTC source clock (after the prescaler) to 1 Hz, -//! when using an external 32-kHz crystal. -#define RTC_PSEL_32KHZ_1HZ 14 - -//! The PSEL value to set the RTC source clock (after the prescaler) to 1.76 Hz, -//! when using the internal RC oscillator (~ 115 kHz). -#define RTC_PSEL_RC_1_76HZ 15 - -//! @} - - -/*! - * \brief This function will initialise the RTC module. - * If you use the 32 KHz oscillator, it will enable this module. - * This function also set the top value of the RTC to 0xFFFFFFFF - * and the value to 0. - * \param rtc Base address of the RTC (i.e. &AVR32_RTC). - * \param osc_type The oscillator you want to use. If you need a better - * accuracy, use the 32 KHz oscillator (i.e. RTC_OSC_32KHZ). - * \param psel The preselector value for the corresponding oscillator (4-bits). - * To obtain this value, you can use this formula: - * psel = log(Fosc/Frtc)/log(2)-1, where Fosc is the frequency of the - * oscillator you are using (32 KHz or 115 KHz) and Frtc the frequency - * desired. - * \return 1 if the initialisation succeds otherwize it will return 0. - */ -extern int rtc_init(volatile avr32_rtc_t *rtc, unsigned char osc_type, unsigned char psel); - -/*! - * \brief Enable the RTC. - * \param rtc Base address of the RTC (i.e. &AVR32_RTC). - */ -extern void rtc_enable(volatile avr32_rtc_t *rtc); - -/*! - * \brief Disable the RTC. - * \param rtc Base address of the RTC (i.e. &AVR32_RTC). - */ -extern void rtc_disable(volatile avr32_rtc_t *rtc); - -/*! - * \brief Enable the wake up feature of the RTC. - * \param rtc Base address of the RTC (i.e. &AVR32_RTC). - */ -extern void rtc_enable_wake_up(volatile avr32_rtc_t *rtc); - -/*! - * \brief Disable the wake up feature of the RTC. - * \param rtc Base address of the RTC (i.e. &AVR32_RTC). - */ -extern void rtc_disable_wake_up(volatile avr32_rtc_t *rtc); - -/*! - * \brief Enable the interrupt feature of the RTC. - * An interrupt is raised when the value of the RTC - * is equal to its top value. - * \param rtc Base address of the RTC (i.e. &AVR32_RTC). - */ -extern void rtc_enable_interrupt(volatile avr32_rtc_t *rtc); - -/*! - * \brief Disable the interrupt feature of the RTC. - * \param rtc Base address of the RTC (i.e. &AVR32_RTC). - */ -extern void rtc_disable_interrupt(volatile avr32_rtc_t *rtc); - -/*! - * \brief Clear the interrupt flag. - * Call this function once you handled the interrupt. - * \param rtc Base address of the RTC (i.e. &AVR32_RTC). - */ -extern void rtc_clear_interrupt(volatile avr32_rtc_t *rtc); - -/*! - * \brief Get the status of interrupts. - * \param rtc Base address of the RTC (i.e. &AVR32_RTC). - * \return 1 if the interrupts are enabled otherwize it returns 0. - */ -extern int rtc_interrupt_enabled(volatile avr32_rtc_t *rtc); - -/*! - * \brief Check if an interrupt is raised. - * \param rtc Base address of the RTC (i.e. &AVR32_RTC). - * \return 1 if an interrupt is currently raised otherwize it returns 0. - */ -extern int rtc_is_interrupt(volatile avr32_rtc_t *rtc); - -/*! - * \brief This function sets the RTC current top value. - * \param rtc Base address of the RTC (i.e. &AVR32_RTC). - * \param top The top value you want to store. - */ -extern void rtc_set_top_value(volatile avr32_rtc_t *rtc, unsigned long top); - -/*! - * \brief This function returns the RTC current top value. - * \param rtc Base address of the RTC (i.e. &AVR32_RTC). - * \return The RTC current top value. - */ -extern unsigned long rtc_get_top_value(volatile avr32_rtc_t *rtc); - -/*! - * \brief This function checks if the RTC is busy or not. - * \param rtc Base address of the RTC (i.e. &AVR32_RTC). - * \return 1 if the RTC is busy otherwize it will return 0. - */ -extern int rtc_is_busy(volatile avr32_rtc_t *rtc); - -/*! - * \brief This function sets the RTC current value. - * \param rtc Base address of the RTC (i.e. &AVR32_RTC). - * \param val The value you want to store. - */ -extern void rtc_set_value(volatile avr32_rtc_t *rtc, unsigned long val); - -/*! - * \brief This function returns the RTC current value. - * \param rtc Base address of the RTC (i.e. &AVR32_RTC). - * \return The RTC current value. - */ -extern unsigned long rtc_get_value(volatile avr32_rtc_t *rtc); - - -#endif // _RTC_H_ |