leo hendrickson / Mbed OS example-Ethernet-mbed-Cloud-connect
Revision:
0:8f0bb79ddd48
diff -r 000000000000 -r 8f0bb79ddd48 simple-mbed-cloud-client/mbed-cloud-client/ns-hal-pal/arm_hal_interrupt.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/simple-mbed-cloud-client/mbed-cloud-client/ns-hal-pal/arm_hal_interrupt.c	Tue May 04 08:55:12 2021 +0000
@@ -0,0 +1,52 @@
+// ----------------------------------------------------------------------------
+// Copyright 2016-2017 ARM Ltd.
+//
+// SPDX-License-Identifier: Apache-2.0
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+// ----------------------------------------------------------------------------
+
+#include "platform/arm_hal_interrupt.h"
+
+#include "arm_hal_interrupt_private.h"
+#include "pal.h"
+
+#include <assert.h>
+
+
+static uint8_t sys_irq_disable_counter;
+
+static palMutexID_t critical_mutex_id;
+
+void platform_critical_init(void)
+{
+    palStatus_t status;
+    status = pal_osMutexCreate(&critical_mutex_id);
+    assert(PAL_SUCCESS == status);
+}
+
+void platform_enter_critical(void)
+{
+    palStatus_t status;
+    status = pal_osMutexWait(critical_mutex_id, UINT32_MAX);
+    assert(PAL_SUCCESS == status);
+    sys_irq_disable_counter++;
+}
+
+void platform_exit_critical(void)
+{
+    palStatus_t status;
+    --sys_irq_disable_counter;
+    status = pal_osMutexRelease(critical_mutex_id);
+    assert(PAL_SUCCESS == status);
+}