1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include <stdlib.h> 18 #include <string.h> 19 20 #include <seos.h> 21 #include <timer.h> 22 #include <syscallDo.h> 23 24 static uint32_t mMyTid; 25 static int cnt; 26 27 struct ExtMsg 28 { 29 struct HostHubRawPacket hdr; 30 uint8_t msg; 31 uint32_t val; 32 } __attribute__((packed)); 33 34 static bool start_task(uint32_t myTid) 35 { 36 mMyTid = myTid; 37 cnt = 100; 38 39 return eOsEventSubscribe(myTid, EVT_APP_START); 40 } 41 42 static void end_task(void) 43 { 44 eOsLog(LOG_DEBUG, "App 0 terminating"); 45 } 46 47 static void handle_event(uint32_t evtType, const void* evtData) 48 { 49 const struct TimerEvent *te; 50 const struct AppEventFreeData *aefd; 51 uint32_t timerId; 52 struct ExtMsg *extMsg; 53 54 if (evtType == EVT_APP_START) { 55 timerId = eOsTimTimerSet(1000000000ULL, 50, 50, mMyTid, (void *)&cnt, false); 56 eOsLog(LOG_INFO, "App 0 started with tid %u timerid %u\n", mMyTid, timerId); 57 } else if (evtType == EVT_APP_TIMER) { 58 te = evtData; 59 eOsLog(LOG_INFO, "App 0 received timer %u callback: %d (TIM: %lld, RTC: %lld, SENSOR: %lld, HOST: %lld)\n", te->timerId, *(int *)te->data, eOsTimGetTime(), eOsRtcGetTime(), eOsSensorGetTime(), eOsHostGetTime()); 60 extMsg = eOsHeapAlloc(sizeof(*extMsg)); 61 extMsg->hdr.appId = APP_ID_MAKE(APP_ID_VENDOR_GOOGLE, 0x548000); 62 extMsg->hdr.dataLen = 5; 63 extMsg->msg = 0x01; 64 extMsg->val = *(int *)te->data; 65 if (!(eOsEnqueueEvt(EVT_APP_TO_HOST, extMsg, mMyTid))) 66 eOsHeapFree(extMsg); 67 if (cnt-- <= 0) 68 eOsTimTimerCancel(te->timerId); 69 } else if (evtType == EVT_APP_FREE_EVT_DATA) { 70 aefd = evtData; 71 if (aefd->evtType == EVT_APP_TO_HOST) 72 eOsHeapFree(aefd->evtData); 73 } 74 } 75 76 APP_INIT(0, start_task, end_task, handle_event); 77