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author | Romain Forlot <romain.forlot@iot.bzh> | 2017-08-22 09:57:58 +0200 |
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committer | Romain Forlot <romain.forlot@iot.bzh> | 2017-08-22 09:57:58 +0200 |
commit | 837905124166ea66da3f412520ba611dbc0e7660 (patch) | |
tree | 26617852c973391e7a7edd7b2a336c89b6c838aa /Controller-afb/ctl-timer.c | |
parent | 4fe8026b3627859602dd21f82e19b35d1b328cc6 (diff) | |
parent | c145b70a1c1951ff61a6e339494f25d5abd2d9cf (diff) |
Add 'Controller-afb/' from commit 'c145b70a1c1951ff61a6e339494f25d5abd2d9cf'
git-subtree-dir: Controller-afb
git-subtree-mainline: 4fe8026b3627859602dd21f82e19b35d1b328cc6
git-subtree-split: c145b70a1c1951ff61a6e339494f25d5abd2d9cf
Diffstat (limited to 'Controller-afb/ctl-timer.c')
-rw-r--r-- | Controller-afb/ctl-timer.c | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/Controller-afb/ctl-timer.c b/Controller-afb/ctl-timer.c new file mode 100644 index 0000000..a826f9f --- /dev/null +++ b/Controller-afb/ctl-timer.c @@ -0,0 +1,101 @@ +/* + * Copyright (C) 2016 "IoT.bzh" + * Author Fulup Ar Foll <fulup@iot.bzh> + * + * 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. + */ + +#define _GNU_SOURCE +#include <stdio.h> +#include <string.h> +#include <time.h> +#include <systemd/sd-event.h> + +#include "ctl-binding.h" + +#define DEFAULT_PAUSE_DELAY 3000 +#define DEFAULT_TEST_COUNT 1 +typedef struct { + int value; + const char *label; +} AutoTestCtxT; + +static afb_event afbevt; + +STATIC int TimerNext (sd_event_source* source, uint64_t timer, void* handle) { + TimerHandleT *timerHandle = (TimerHandleT*) handle; + int done; + uint64_t usec; + + // Rearm timer if needed + timerHandle->count --; + if (timerHandle->count == 0) { + sd_event_source_unref(source); + free (handle); + return 0; + } + else { + // otherwise validate timer for a new run + sd_event_now(afb_daemon_get_event_loop(), CLOCK_MONOTONIC, &usec); + sd_event_source_set_enabled(source, SD_EVENT_ONESHOT); + sd_event_source_set_time(source, usec + timerHandle->delay*1000); + } + + done= timerHandle->callback(timerHandle->context); + if (!done) goto OnErrorExit; + + return 0; + +OnErrorExit: + AFB_WARNING("TimerNext Callback Fail Tag=%s", timerHandle->label); + return -1; +} + +PUBLIC void TimerEvtStop(TimerHandleT *timerHandle) { + + sd_event_source_unref(timerHandle->evtSource); + free (timerHandle); +} + + +PUBLIC void TimerEvtStart(TimerHandleT *timerHandle, timerCallbackT callback, void *context) { + uint64_t usec; + + // populate CB handle + timerHandle->callback=callback; + timerHandle->context=context; + + // set a timer with ~250us accuracy + sd_event_now(afb_daemon_get_event_loop(), CLOCK_MONOTONIC, &usec); + sd_event_add_time(afb_daemon_get_event_loop(), &timerHandle->evtSource, CLOCK_MONOTONIC, usec+timerHandle->delay*1000, 250, TimerNext, timerHandle); +} + +PUBLIC afb_event TimerEvtGet(void) { + return afbevt; +} + + +// Create Binding Event at Init +PUBLIC int TimerEvtInit () { + + // create binder event to send test pause/resume + afbevt = afb_daemon_make_event("control"); + if (!afb_event_is_valid(afbevt)) { + AFB_ERROR ("POLCTL_INIT: Cannot register ctl-events"); + return 1; + } + + AFB_DEBUG ("Audio Control-Events Init Done"); + return 0; +} + |