| 1 | // %flair:license{
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| 2 | // This file is part of the Flair framework distributed under the
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| 3 | // CECILL-C License, Version 1.0.
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| 4 | // %flair:license}
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| 5 | // created: 2014/03/06
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| 6 | // filename: SimuCamera.cpp
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| 7 | //
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| 8 | // author: Guillaume Sanahuja
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| 9 | // Copyright Heudiasyc UMR UTC/CNRS 7253
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| 10 | //
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| 11 | // version: $Id: $
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| 12 | //
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| 13 | // purpose: Class for a simulation camera
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| 14 | //
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| 15 | //
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| 16 | /*********************************************************************/
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| 17 |
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| 18 | #include "SimuCamera.h"
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| 19 | #include <FrameworkManager.h>
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| 20 | #include <GroupBox.h>
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| 21 | #include <SharedMem.h>
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| 22 | #include <sstream>
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| 23 |
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| 24 | using std::string;
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| 25 | using std::ostringstream;
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| 26 | using namespace flair::core;
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| 27 | using namespace flair::gui;
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| 28 |
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| 29 | namespace flair {
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| 30 | namespace sensor {
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| 31 |
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| 32 | //control part
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| 33 | SimuCamera::SimuCamera(string name,
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| 34 | uint16_t width, uint16_t height, uint8_t channels,
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| 35 | uint32_t dev_id, uint8_t priority)
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| 36 | : Thread(getFrameworkManager(), name, priority),
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| 37 | Camera(name, width, height, cvimage::Type::Format::BGR) {
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| 38 |
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| 39 | buf_size = width * height * channels+sizeof(Time);
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| 40 |
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| 41 | shmemReadBuf=(char*)malloc(buf_size);
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| 42 | output->img->imageData = shmemReadBuf;
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| 43 |
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| 44 | ostringstream dev_name;
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| 45 | dev_name << "simu_cam_" << dev_id;
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| 46 | shmem = new SharedMem((Thread *)this, dev_name.str().c_str(), buf_size, SharedMem::Type::producerConsumer);
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| 47 | }
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| 48 |
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| 49 | //simulation part
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| 50 | SimuCamera::SimuCamera(const IODevice *parent, string name, uint16_t width,
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| 51 | uint16_t height, uint8_t channels, uint32_t dev_id)
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| 52 | : Thread(parent, name, 0), Camera(parent,name) {
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| 53 |
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| 54 | buf_size = width * height * channels+sizeof(Time);
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| 55 |
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| 56 | ostringstream dev_name;
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| 57 | dev_name << "simu_cam_" << dev_id;
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| 58 | shmem = new SharedMem((Thread *)this, dev_name.str().c_str(),
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| 59 | buf_size, SharedMem::Type::producerConsumer);
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| 60 | shmemReadBuf=NULL;
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| 61 | }
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| 62 |
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| 63 | SimuCamera::~SimuCamera() {
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| 64 | SafeStop();
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| 65 | Join();
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| 66 | if(shmemReadBuf!=NULL) delete shmemReadBuf;
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| 67 | }
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| 68 |
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| 69 | void SimuCamera::Run(void) {
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| 70 | Time time;
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| 71 | // if (data_rate == NULL) {
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| 72 | // Thread::Err("not applicable for simulation part.\n");
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| 73 | // return;
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| 74 | // }
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| 75 |
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| 76 | // SetPeriodUS((uint32_t)(1000000. / data_rate->Value()));
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| 77 | shmem->ReaderReady();
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| 78 |
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| 79 | while (!ToBeStopped()) {
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| 80 | // WaitPeriod();
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| 81 |
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| 82 | // if (data_rate->ValueChanged() == true) {
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| 83 | // SetPeriodUS((uint32_t)(1000000. / data_rate->Value()));
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| 84 | // }
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| 85 |
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| 86 | output->GetMutex();
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| 87 | //blocking read
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| 88 | shmem->Read(shmemReadBuf, buf_size); // remplacer copie par
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| 89 | // échange de pointeur sur
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| 90 | // double buffering
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| 91 | output->ReleaseMutex();
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| 92 | memcpy(&time,shmemReadBuf+buf_size-sizeof(Time),sizeof(Time));
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| 93 | output->SetDataTime(time);
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| 94 |
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| 95 | ProcessUpdate(output);
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| 96 | }
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| 97 | }
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| 98 |
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| 99 | } // end namespace sensor
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| 100 | } // end namespace flair
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