Diff: simple-mbed-cloud-client/mbed-cloud-client/ns-hal-pal/arm_hal_timer.cpp

Revision:

0:25fa8795676b

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/simple-mbed-cloud-client/mbed-cloud-client/ns-hal-pal/arm_hal_timer.cpp	Sun Apr 18 15:20:23 2021 +0000
@@ -0,0 +1,95 @@
+// ----------------------------------------------------------------------------
+// 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 before mbed.h to properly get UINT*_C()
+#include "ns_types.h"
+
+#include "pal.h"
+#include "pal_rtos.h"
+
+#include "platform/arm_hal_timer.h"
+#include "platform/arm_hal_interrupt.h"
+
+#include <assert.h>
+
+// Low precision platform tick timer variables
+static void (*tick_timer_callback)(void);
+static palTimerID_t tick_timer_id;
+#define TICK_TIMER_ID   1
+
+void timer_callback(void const *funcArgument)
+{
+    (void)funcArgument;
+    if (tick_timer_callback != NULL) {
+        tick_timer_callback();
+    }
+}
+
+#ifdef MBED_CONF_NANOSTACK_EVENTLOOP_EXCLUDE_HIGHRES_TIMER
+extern "C" int8_t ns_timer_sleep(void);
+#endif
+
+// static method for creating the timer, called implicitly by platform_tick_timer_register if
+// timer was not enabled already
+static void tick_timer_create(void)
+{
+    palStatus_t status;
+    status = pal_init();
+    assert(PAL_SUCCESS == status);
+    status = pal_osTimerCreate(timer_callback, NULL, palOsTimerPeriodic, &tick_timer_id);
+    assert(PAL_SUCCESS == status);
+    
+}
+
+// Low precision platform tick timer
+extern "C"
+int8_t platform_tick_timer_register(void (*tick_timer_cb_handler)(void))
+{
+    if (tick_timer_id == 0) {
+        tick_timer_create();
+    }
+    tick_timer_callback = tick_timer_cb_handler;
+    return TICK_TIMER_ID;
+}
+
+extern "C"
+int8_t platform_tick_timer_start(uint32_t period_ms)
+{
+    int8_t retval = -1;
+    if ((tick_timer_id != 0) && (PAL_SUCCESS == pal_osTimerStart(tick_timer_id, period_ms))) {
+        retval = 0;
+    }
+    return retval;
+}
+
+extern "C"
+int8_t platform_tick_timer_stop(void)
+{
+    int8_t retval = -1;
+    if ((tick_timer_id != 0) && (PAL_SUCCESS == pal_osTimerStop(tick_timer_id))) {
+        retval = 0;
+    }
+
+    // release PAL side resources
+    pal_osTimerDelete(&tick_timer_id);
+    pal_destroy();
+
+    return retval;
+}
+
+