leo hendrickson / Mbed OS example-Ethernet-mbed-Cloud-connect

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simple-mbed-cloud-client/mbed-cloud-client/ns-hal-pal/arm_hal_interrupt.c@0:8f0bb79ddd48, 2021-05-04 (annotated)

Committer:
leothedragon
Date:
Tue May 04 08:55:12 2021 +0000
Revision:
0:8f0bb79ddd48
nmn

Who changed what in which revision?

UserRevisionLine numberNew contents of line
leothedragon 0:8f0bb79ddd48 1 // ----------------------------------------------------------------------------
leothedragon 0:8f0bb79ddd48 2 // Copyright 2016-2017 ARM Ltd.
leothedragon 0:8f0bb79ddd48 3 //
leothedragon 0:8f0bb79ddd48 4 // SPDX-License-Identifier: Apache-2.0
leothedragon 0:8f0bb79ddd48 5 //
leothedragon 0:8f0bb79ddd48 6 // Licensed under the Apache License, Version 2.0 (the "License");
leothedragon 0:8f0bb79ddd48 7 // you may not use this file except in compliance with the License.
leothedragon 0:8f0bb79ddd48 8 // You may obtain a copy of the License at
leothedragon 0:8f0bb79ddd48 9 //
leothedragon 0:8f0bb79ddd48 10 // http://www.apache.org/licenses/LICENSE-2.0
leothedragon 0:8f0bb79ddd48 11 //
leothedragon 0:8f0bb79ddd48 12 // Unless required by applicable law or agreed to in writing, software
leothedragon 0:8f0bb79ddd48 13 // distributed under the License is distributed on an "AS IS" BASIS,
leothedragon 0:8f0bb79ddd48 14 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
leothedragon 0:8f0bb79ddd48 15 // See the License for the specific language governing permissions and
leothedragon 0:8f0bb79ddd48 16 // limitations under the License.
leothedragon 0:8f0bb79ddd48 17 // ----------------------------------------------------------------------------
leothedragon 0:8f0bb79ddd48 18
leothedragon 0:8f0bb79ddd48 19 #include "platform/arm_hal_interrupt.h"
leothedragon 0:8f0bb79ddd48 20
leothedragon 0:8f0bb79ddd48 21 #include "arm_hal_interrupt_private.h"
leothedragon 0:8f0bb79ddd48 22 #include "pal.h"
leothedragon 0:8f0bb79ddd48 23
leothedragon 0:8f0bb79ddd48 24 #include <assert.h>
leothedragon 0:8f0bb79ddd48 25
leothedragon 0:8f0bb79ddd48 26
leothedragon 0:8f0bb79ddd48 27 static uint8_t sys_irq_disable_counter;
leothedragon 0:8f0bb79ddd48 28
leothedragon 0:8f0bb79ddd48 29 static palMutexID_t critical_mutex_id;
leothedragon 0:8f0bb79ddd48 30
leothedragon 0:8f0bb79ddd48 31 void platform_critical_init(void)
leothedragon 0:8f0bb79ddd48 32 {
leothedragon 0:8f0bb79ddd48 33 palStatus_t status;
leothedragon 0:8f0bb79ddd48 34 status = pal_osMutexCreate(&critical_mutex_id);
leothedragon 0:8f0bb79ddd48 35 assert(PAL_SUCCESS == status);
leothedragon 0:8f0bb79ddd48 36 }
leothedragon 0:8f0bb79ddd48 37
leothedragon 0:8f0bb79ddd48 38 void platform_enter_critical(void)
leothedragon 0:8f0bb79ddd48 39 {
leothedragon 0:8f0bb79ddd48 40 palStatus_t status;
leothedragon 0:8f0bb79ddd48 41 status = pal_osMutexWait(critical_mutex_id, UINT32_MAX);
leothedragon 0:8f0bb79ddd48 42 assert(PAL_SUCCESS == status);
leothedragon 0:8f0bb79ddd48 43 sys_irq_disable_counter++;
leothedragon 0:8f0bb79ddd48 44 }
leothedragon 0:8f0bb79ddd48 45
leothedragon 0:8f0bb79ddd48 46 void platform_exit_critical(void)
leothedragon 0:8f0bb79ddd48 47 {
leothedragon 0:8f0bb79ddd48 48 palStatus_t status;
leothedragon 0:8f0bb79ddd48 49 --sys_irq_disable_counter;
leothedragon 0:8f0bb79ddd48 50 status = pal_osMutexRelease(critical_mutex_id);
leothedragon 0:8f0bb79ddd48 51 assert(PAL_SUCCESS == status);
leothedragon 0:8f0bb79ddd48 52 }