diff options
| author | Dan Halbert <halbert@halwitz.org> | 2017-10-11 18:30:01 -0400 |
|---|---|---|
| committer | Scott Shawcroft <scott@tannewt.org> | 2017-10-12 10:55:15 -0700 |
| commit | b7591cfd19d308091dc67ae698c112cdb52a044f (patch) | |
| tree | e0138f82640a0e582baa87e6b041f497a8a5036c /atmel-samd/asf4/samd21/hal/include/hal_atomic.h | |
| parent | 80654779e1ad98f5818186746e00b6b642dca3db (diff) | |
Replace asf4 tree with submodule repo adafruit/asf4, branch circuitpython.
Diffstat (limited to 'atmel-samd/asf4/samd21/hal/include/hal_atomic.h')
| -rw-r--r-- | atmel-samd/asf4/samd21/hal/include/hal_atomic.h | 137 |
1 files changed, 0 insertions, 137 deletions
diff --git a/atmel-samd/asf4/samd21/hal/include/hal_atomic.h b/atmel-samd/asf4/samd21/hal/include/hal_atomic.h deleted file mode 100644 index 8a51b2a96..000000000 --- a/atmel-samd/asf4/samd21/hal/include/hal_atomic.h +++ /dev/null @@ -1,137 +0,0 @@ -/** - * \file - * - * \brief Critical sections related functionality declaration. - * - * Copyright (C) 2014 Atmel Corporation. All rights reserved. - * - * \asf_license_start - * - * \page License - * - * 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 microcontroller 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. - * - * \asf_license_stop - * - */ - -#ifndef _HAL_ATOMIC_H_INCLUDED -#define _HAL_ATOMIC_H_INCLUDED - -#include <compiler.h> - -#ifdef __cplusplus -extern "C" { -#endif - -/** - * \addtogroup doc_driver_hal_helper_atomic - * - *@{ - */ - -/** - * \brief Type for the register holding global interrupt enable flag - */ -typedef uint32_t hal_atomic_t; - -/** - * \brief Helper macro for entering critical sections - * - * This macro is recommended to be used instead of a direct call - * hal_enterCritical() function to enter critical - * sections. No semicolon is required after the macro. - * - * \section atomic_usage Usage Example - * \code - * CRITICAL_SECTION_ENTER() - * Critical code - * CRITICAL_SECTION_LEAVE() - * \endcode - */ -#define CRITICAL_SECTION_ENTER() \ - { \ - volatile hal_atomic_t __atomic; \ - atomic_enter_critical(&__atomic); - -/** - * \brief Helper macro for leaving critical sections - * - * This macro is recommended to be used instead of a direct call - * hal_leaveCritical() function to leave critical - * sections. No semicolon is required after the macro. - * - * \section atomic_usage Usage Example - * \code - * CRITICAL_SECTION_ENTER() - * Some critical code - * CRITICAL_SECTION_LEAVE() - * \endcode - */ -#define CRITICAL_SECTION_LEAVE() \ - atomic_leave_critical(&__atomic); \ - } - -/** - * \brief Disable interrupts, enter critical section - * - * Disables global interrupts. Supports nested critical sections, - * so that global interrupts are only re-enabled - * upon leaving the outermost nested critical section. - * - * \param[out] atomic The pointer to a variable to store the value of global - * interrupt enable flag - */ -void atomic_enter_critical(hal_atomic_t volatile *atomic); - -/** - * \brief Exit atomic section - * - * Enables global interrupts. Supports nested critical sections, - * so that global interrupts are only re-enabled - * upon leaving the outermost nested critical section. - * - * \param[in] atomic The pointer to a variable, which stores the latest stored - * value of the global interrupt enable flag - */ -void atomic_leave_critical(hal_atomic_t volatile *atomic); - -/** - * \brief Retrieve the current driver version - * - * \return Current driver version. - */ -uint32_t atomic_get_version(void); -/**@}*/ - -#ifdef __cplusplus -} -#endif - -#endif /* _HAL_ATOMIC_H_INCLUDED */ |
