archives/pebble
2
0
Fork 0
mirror of https://github.com/google/pebble.git synced 2025-07-05 06:10:27 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

Import of the watch repository from Pebble

Browse source
This commit is contained in:
Matthieu Jeanson 2024-12-12 16:43:03 -08:00 • committed by Katharine Berry
commit 3b92768480
10334 changed files with 2564465 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

86
src/fw/applib/app_timer.c Normal file
View file

@ -0,0 +1,86 @@
/*
* Copyright 2024 Google LLC
*
* 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 "applib/app_timer.h"
#include "applib/app_logging.h"
#include "services/common/evented_timer.h"
#include "syscall/syscall_internal.h"
//! @file fw/applib/app_timer.c
//!
//! Surpise! All this is is a dumb wrapper around evented_timer!
DEFINE_SYSCALL(AppTimer*, app_timer_register, uint32_t timeout_ms,
AppTimerCallback callback,
void* callback_data) {
// No need to check callback_data, we only dereference it in userspace anyway.
return (AppTimer*)(uintptr_t)evented_timer_register(timeout_ms, false, callback, callback_data);
}
DEFINE_SYSCALL(AppTimer*, app_timer_register_repeatable, uint32_t timeout_ms,
AppTimerCallback callback,
void* callback_data,
bool repeating) {
// No need to check callback_data, we only dereference it in userspace anyway.
return (AppTimer*)(uintptr_t)evented_timer_register(timeout_ms,
repeating,
callback,
callback_data);
}
DEFINE_SYSCALL(bool, app_timer_reschedule, AppTimer *timer, uint32_t new_timeout_ms) {
if (PRIVILEGE_WAS_ELEVATED) {
if (!evented_timer_exists((EventedTimerID)timer)) {
APP_LOG(APP_LOG_LEVEL_ERROR, "Timer %u does not exist", (unsigned)timer);
return (false);
}
if (!evented_timer_is_current_task((EventedTimerID)timer)) {
APP_LOG(APP_LOG_LEVEL_ERROR, "Invalid timer %u used in app_timer_reschedule", (unsigned)timer);
syscall_failed();
}
}
return evented_timer_reschedule((EventedTimerID)timer, new_timeout_ms);
}
DEFINE_SYSCALL(void, app_timer_cancel, AppTimer *timer) {
if (PRIVILEGE_WAS_ELEVATED) {
if (!evented_timer_exists((EventedTimerID)timer)) {
APP_LOG(APP_LOG_LEVEL_ERROR, "Timer %u does not exist", (unsigned)timer);
return;
}
if (!evented_timer_is_current_task((EventedTimerID)timer)) {
APP_LOG(APP_LOG_LEVEL_ERROR, "Invalid timer %u used in app_timer_reschedule", (unsigned)timer);
syscall_failed();
}
}
evented_timer_cancel((EventedTimerID)timer);
}
DEFINE_SYSCALL(void *, app_timer_get_data, AppTimer *timer) {
if (PRIVILEGE_WAS_ELEVATED) {
if (!evented_timer_exists((EventedTimerID)timer)) {
APP_LOG(APP_LOG_LEVEL_ERROR, "Timer %u does not exist", (unsigned)timer);
return NULL;
}
if (!evented_timer_is_current_task((EventedTimerID)timer)) {
APP_LOG(APP_LOG_LEVEL_ERROR, "Invalid timer %u used in app_timer_reschedule", (unsigned)timer);
syscall_failed();
}
}
return evented_timer_get_data((EventedTimerID)timer);
}