diff options
Diffstat (limited to 'firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/DRIVERS/RTC/rtc.c')
| -rw-r--r-- | firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/DRIVERS/RTC/rtc.c | 213 |
1 files changed, 0 insertions, 213 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; -} |