Руслан Бредун / Mbed 2 deprecated stm32-sensor-base2

test

Dependencies:   mbed Watchdog

Dependents:   STM32-MC_node

mbed/platform/ScopedRomWriteLock.h@0:d383e2dee0f7, 2020-07-06 (annotated)

Committer:
ommpy
Date:
Mon Jul 06 17:18:59 2020 +0530
Revision:
0:d383e2dee0f7
first commit

Who changed what in which revision?

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ommpy 0:d383e2dee0f7 1 /* mbed Microcontroller Library
ommpy 0:d383e2dee0f7 2 * Copyright (c) 2018 ARM Limited
ommpy 0:d383e2dee0f7 3 *
ommpy 0:d383e2dee0f7 4 * Licensed under the Apache License, Version 2.0 (the "License");
ommpy 0:d383e2dee0f7 5 * you may not use this file except in compliance with the License.
ommpy 0:d383e2dee0f7 6 * You may obtain a copy of the License at
ommpy 0:d383e2dee0f7 7 *
ommpy 0:d383e2dee0f7 8 * http://www.apache.org/licenses/LICENSE-2.0
ommpy 0:d383e2dee0f7 9 *
ommpy 0:d383e2dee0f7 10 * Unless required by applicable law or agreed to in writing, software
ommpy 0:d383e2dee0f7 11 * distributed under the License is distributed on an "AS IS" BASIS,
ommpy 0:d383e2dee0f7 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
ommpy 0:d383e2dee0f7 13 * See the License for the specific language governing permissions and
ommpy 0:d383e2dee0f7 14 * limitations under the License.
ommpy 0:d383e2dee0f7 15 */
ommpy 0:d383e2dee0f7 16 #ifndef MBED_SCOPEDROMWRITELOCK_H
ommpy 0:d383e2dee0f7 17 #define MBED_SCOPEDROMWRITELOCK_H
ommpy 0:d383e2dee0f7 18
ommpy 0:d383e2dee0f7 19 #include "platform/mbed_mpu_mgmt.h"
ommpy 0:d383e2dee0f7 20 #include "platform/NonCopyable.h"
ommpy 0:d383e2dee0f7 21
ommpy 0:d383e2dee0f7 22 namespace mbed {
ommpy 0:d383e2dee0f7 23
ommpy 0:d383e2dee0f7 24 /** \addtogroup platform */
ommpy 0:d383e2dee0f7 25 /** @{*/
ommpy 0:d383e2dee0f7 26
ommpy 0:d383e2dee0f7 27 /** RAII object for disabling, then restoring ROM write never mode
ommpy 0:d383e2dee0f7 28 * Usage:
ommpy 0:d383e2dee0f7 29 * @code
ommpy 0:d383e2dee0f7 30 *
ommpy 0:d383e2dee0f7 31 * void f() {
ommpy 0:d383e2dee0f7 32 * // some code here
ommpy 0:d383e2dee0f7 33 * {
ommpy 0:d383e2dee0f7 34 * ScopedRomWriteLock make_ram_executable;
ommpy 0:d383e2dee0f7 35 * // Code in this block is allowed to write to ROM
ommpy 0:d383e2dee0f7 36 * }
ommpy 0:d383e2dee0f7 37 * // Writing to ROM is no longer allowed
ommpy 0:d383e2dee0f7 38 * }
ommpy 0:d383e2dee0f7 39 * @endcode
ommpy 0:d383e2dee0f7 40 */
ommpy 0:d383e2dee0f7 41 class ScopedRomWriteLock : private mbed::NonCopyable<ScopedRomWriteLock> {
ommpy 0:d383e2dee0f7 42 public:
ommpy 0:d383e2dee0f7 43
ommpy 0:d383e2dee0f7 44 /**
ommpy 0:d383e2dee0f7 45 * Allow writing to ROM
ommpy 0:d383e2dee0f7 46 *
ommpy 0:d383e2dee0f7 47 * Increment the ROM write lock to ensure code can
ommpy 0:d383e2dee0f7 48 * write to ROM. This class uses RAII to allow
ommpy 0:d383e2dee0f7 49 * writing to ROM while it is in scope.
ommpy 0:d383e2dee0f7 50 */
ommpy 0:d383e2dee0f7 51 ScopedRomWriteLock()
ommpy 0:d383e2dee0f7 52 {
ommpy 0:d383e2dee0f7 53 mbed_mpu_manager_lock_rom_write();
ommpy 0:d383e2dee0f7 54 }
ommpy 0:d383e2dee0f7 55
ommpy 0:d383e2dee0f7 56 /**
ommpy 0:d383e2dee0f7 57 * Restore previous write to ROM settings
ommpy 0:d383e2dee0f7 58 *
ommpy 0:d383e2dee0f7 59 * Decrement the ROM write lock to return ROM write
ommpy 0:d383e2dee0f7 60 * to its prior state.
ommpy 0:d383e2dee0f7 61 */
ommpy 0:d383e2dee0f7 62 ~ScopedRomWriteLock()
ommpy 0:d383e2dee0f7 63 {
ommpy 0:d383e2dee0f7 64 mbed_mpu_manager_unlock_rom_write();
ommpy 0:d383e2dee0f7 65 }
ommpy 0:d383e2dee0f7 66 };
ommpy 0:d383e2dee0f7 67
ommpy 0:d383e2dee0f7 68 /**@}*/
ommpy 0:d383e2dee0f7 69
ommpy 0:d383e2dee0f7 70 }
ommpy 0:d383e2dee0f7 71
ommpy 0:d383e2dee0f7 72 #endif