v01d commented on a change in pull request #878: URL: https://github.com/apache/mynewt-nimble/pull/878#discussion_r537691929
########## File path: porting/npl/nuttx/src/os_callout.c ########## @@ -0,0 +1,159 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you 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 <nuttx/config.h> +#include <assert.h> +#include <stdio.h> +#include <stdint.h> +#include <string.h> + +#include <time.h> +#include <signal.h> + +#include "nimble/nimble_npl.h" + +static void +ble_npl_callout_timer_cb(union sigval sv) +{ + struct ble_npl_callout *c = (struct ble_npl_callout *)sv.sival_ptr; + assert(c); + + if (c->c_evq) { + ble_npl_eventq_put(c->c_evq, &c->c_ev); + } else { + c->c_ev.ev_cb(&c->c_ev); + } +} + +void ble_npl_callout_init(struct ble_npl_callout *c, + struct ble_npl_eventq *evq, + ble_npl_event_fn *ev_cb, + void *ev_arg) +{ + struct sigevent event; + + /* Initialize the callout. */ + memset(c, 0, sizeof(*c)); + c->c_ev.ev_cb = ev_cb; + c->c_ev.ev_arg = ev_arg; + c->c_evq = evq; + c->c_active = false; + + event.sigev_notify = SIGEV_THREAD; + event.sigev_value.sival_ptr = c; // put callout obj in signal args + event.sigev_notify_function = ble_npl_callout_timer_cb; + event.sigev_notify_attributes = NULL; + + timer_create(CLOCK_REALTIME, &event, &c->c_timer); +} + +bool ble_npl_callout_is_active(struct ble_npl_callout *c) +{ + // TODO: seek native posix method to determine whether timer_t is active. + // TODO: fix bug where one-shot timer is still active after fired. + return c->c_active; +} + +int ble_npl_callout_inited(struct ble_npl_callout *c) +{ + return (c->c_timer != NULL); +} + +ble_npl_error_t ble_npl_callout_reset(struct ble_npl_callout *c, + ble_npl_time_t ticks) +{ + struct itimerspec its; + + if (ticks < 0) { + return BLE_NPL_EINVAL; + } + + if (ticks == 0) { + ticks = 1; + } + + c->c_ticks = ble_npl_time_get() + ticks; + + its.it_interval.tv_sec = 0; + its.it_interval.tv_nsec = 0; // one shot Review comment: done ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: [email protected]
