Toyomasa Watarai / simple-mbed-cloud-client

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Dependents:  

mbed-cloud-client/ns-hal-pal/arm_hal_timer.cpp@2:bf2124b482f9, 2018-07-02 (annotated)

Committer:
MACRUM
Date:
Mon Jul 02 08:06:37 2018 +0000
Revision:
2:bf2124b482f9
Parent:
0:276e7a263c35 
Update library

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MACRUM 0:276e7a263c35 1 // ----------------------------------------------------------------------------
MACRUM 0:276e7a263c35 2 // Copyright 2016-2017 ARM Ltd.
MACRUM 0:276e7a263c35 3 //
MACRUM 0:276e7a263c35 4 // SPDX-License-Identifier: Apache-2.0
MACRUM 0:276e7a263c35 5 //
MACRUM 0:276e7a263c35 6 // Licensed under the Apache License, Version 2.0 (the "License");
MACRUM 0:276e7a263c35 7 // you may not use this file except in compliance with the License.
MACRUM 0:276e7a263c35 8 // You may obtain a copy of the License at
MACRUM 0:276e7a263c35 9 //
MACRUM 0:276e7a263c35 10 // http://www.apache.org/licenses/LICENSE-2.0
MACRUM 0:276e7a263c35 11 //
MACRUM 0:276e7a263c35 12 // Unless required by applicable law or agreed to in writing, software
MACRUM 0:276e7a263c35 13 // distributed under the License is distributed on an "AS IS" BASIS,
MACRUM 0:276e7a263c35 14 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
MACRUM 0:276e7a263c35 15 // See the License for the specific language governing permissions and
MACRUM 0:276e7a263c35 16 // limitations under the License.
MACRUM 0:276e7a263c35 17 // ----------------------------------------------------------------------------
MACRUM 0:276e7a263c35 18
MACRUM 0:276e7a263c35 19 // Include before mbed.h to properly get UINT*_C()
MACRUM 0:276e7a263c35 20 #include "ns_types.h"
MACRUM 0:276e7a263c35 21
MACRUM 0:276e7a263c35 22 #include "pal.h"
MACRUM 0:276e7a263c35 23 #include "pal_rtos.h"
MACRUM 0:276e7a263c35 24
MACRUM 0:276e7a263c35 25 #include "platform/arm_hal_timer.h"
MACRUM 0:276e7a263c35 26 #include "platform/arm_hal_interrupt.h"
MACRUM 0:276e7a263c35 27
MACRUM 0:276e7a263c35 28 #include <assert.h>
MACRUM 0:276e7a263c35 29
MACRUM 0:276e7a263c35 30 // Low precision platform tick timer variables
MACRUM 0:276e7a263c35 31 static void (*tick_timer_callback)(void);
MACRUM 0:276e7a263c35 32 static palTimerID_t tick_timer_id;
MACRUM 0:276e7a263c35 33 #define TICK_TIMER_ID 1
MACRUM 0:276e7a263c35 34
MACRUM 0:276e7a263c35 35 void timer_callback(void const *funcArgument)
MACRUM 0:276e7a263c35 36 {
MACRUM 0:276e7a263c35 37 (void)funcArgument;
MACRUM 0:276e7a263c35 38 if (tick_timer_callback != NULL) {
MACRUM 0:276e7a263c35 39 tick_timer_callback();
MACRUM 0:276e7a263c35 40 }
MACRUM 0:276e7a263c35 41 }
MACRUM 0:276e7a263c35 42
MACRUM 0:276e7a263c35 43 #ifdef MBED_CONF_NANOSTACK_EVENTLOOP_EXCLUDE_HIGHRES_TIMER
MACRUM 0:276e7a263c35 44 extern "C" int8_t ns_timer_sleep(void);
MACRUM 0:276e7a263c35 45 #endif
MACRUM 0:276e7a263c35 46
MACRUM 0:276e7a263c35 47 // static method for creating the timer, called implicitly by platform_tick_timer_register if
MACRUM 0:276e7a263c35 48 // timer was not enabled already
MACRUM 0:276e7a263c35 49 static void tick_timer_create(void)
MACRUM 0:276e7a263c35 50 {
MACRUM 0:276e7a263c35 51 palStatus_t status;
MACRUM 0:276e7a263c35 52 status = pal_init();
MACRUM 0:276e7a263c35 53 assert(PAL_SUCCESS == status);
MACRUM 0:276e7a263c35 54 status = pal_osTimerCreate(timer_callback, NULL, palOsTimerPeriodic, &tick_timer_id);
MACRUM 0:276e7a263c35 55 assert(PAL_SUCCESS == status);
MACRUM 0:276e7a263c35 56
MACRUM 0:276e7a263c35 57 }
MACRUM 0:276e7a263c35 58
MACRUM 0:276e7a263c35 59 // Low precision platform tick timer
MACRUM 0:276e7a263c35 60 int8_t platform_tick_timer_register(void (*tick_timer_cb_handler)(void))
MACRUM 0:276e7a263c35 61 {
MACRUM 0:276e7a263c35 62 if (tick_timer_id == 0) {
MACRUM 0:276e7a263c35 63 tick_timer_create();
MACRUM 0:276e7a263c35 64 }
MACRUM 0:276e7a263c35 65 tick_timer_callback = tick_timer_cb_handler;
MACRUM 0:276e7a263c35 66 return TICK_TIMER_ID;
MACRUM 0:276e7a263c35 67 }
MACRUM 0:276e7a263c35 68
MACRUM 0:276e7a263c35 69 int8_t platform_tick_timer_start(uint32_t period_ms)
MACRUM 0:276e7a263c35 70 {
MACRUM 0:276e7a263c35 71 int8_t retval = -1;
MACRUM 0:276e7a263c35 72 if ((tick_timer_id != 0) && (PAL_SUCCESS == pal_osTimerStart(tick_timer_id, period_ms))) {
MACRUM 0:276e7a263c35 73 retval = 0;
MACRUM 0:276e7a263c35 74 }
MACRUM 0:276e7a263c35 75 return retval;
MACRUM 0:276e7a263c35 76 }
MACRUM 0:276e7a263c35 77
MACRUM 0:276e7a263c35 78 int8_t platform_tick_timer_stop(void)
MACRUM 0:276e7a263c35 79 {
MACRUM 0:276e7a263c35 80 int8_t retval = -1;
MACRUM 0:276e7a263c35 81 if ((tick_timer_id != 0) && (PAL_SUCCESS == pal_osTimerStop(tick_timer_id))) {
MACRUM 0:276e7a263c35 82 retval = 0;
MACRUM 0:276e7a263c35 83 }
MACRUM 0:276e7a263c35 84
MACRUM 0:276e7a263c35 85 // release PAL side resources
MACRUM 0:276e7a263c35 86 pal_osTimerDelete(&tick_timer_id);
MACRUM 0:276e7a263c35 87 pal_destroy();
MACRUM 0:276e7a263c35 88
MACRUM 0:276e7a263c35 89 return retval;
MACRUM 0:276e7a263c35 90 }
MACRUM 0:276e7a263c35 91
MACRUM 0:276e7a263c35 92