Robin Mueller
221012f790
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73 lines
2.2 KiB
C++
73 lines
2.2 KiB
C++
#include <sys/mman.h>
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#include <fcntl.h>
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#include <linux/obc/Ptme.h>
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#include "fsfw/serviceinterface/ServiceInterface.h"
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#include "PtmeConfig.h"
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Ptme::Ptme(object_id_t objectId): SystemObject(objectId) {
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}
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Ptme::~Ptme() {
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}
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ReturnValue_t Ptme::initialize() {
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int fd = open(PtmeConfig::UIO_DEVICE_FILE, O_RDWR);
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if (fd < 1) {
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sif::warning << "Ptme::initialize: Invalid UIO device file" << std::endl;
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return RETURN_FAILED;
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}
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/**
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* Map uio device in virtual address space
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* PROT_WRITE: Map uio device in writable only mode
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*/
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ptmeBaseAddress = static_cast<uint32_t*>(mmap(NULL, MAP_SIZE, PROT_WRITE,
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MAP_SHARED, fd, 0));
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if (ptmeBaseAddress == MAP_FAILED) {
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sif::error << "Ptme::initialize: Failed to map uio address" << std::endl;
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return RETURN_FAILED;
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}
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VcInterfaceMapIter iter;
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for (iter = vcInterfaceMap.begin(); iter != vcInterfaceMap.end(); iter++) {
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iter->second->setRegisterAddress(ptmeBaseAddress);
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}
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return RETURN_OK;
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}
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ReturnValue_t Ptme::writeToVc(uint8_t vcId, const uint8_t * data, size_t size) {
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ReturnValue_t result = RETURN_OK;
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VcInterfaceMapIter vcInterfaceMapIter = vcInterfaceMap.find(vcId);
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if (vcInterfaceMapIter == vcInterfaceMap.end()) {
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sif::warning << "Ptme::writeToVc: No virtual channel interface found for the virtual "
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"channel with id " << static_cast<unsigned int>(vcId) << std::endl;
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return UNKNOWN_VC_ID;
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}
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result = vcInterfaceMapIter->second->write(data, size);
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return result;
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}
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void Ptme::addVcInterface(VcId_t vcId, VcInterfaceIF* vc) {
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if (vcId > common::NUMBER_OF_VIRTUAL_CHANNELS) {
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sif::warning << "Ptme::addVcInterface: Invalid virtual channel ID" << std::endl;
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return;
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}
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if (vc == nullptr) {
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sif::warning << "Ptme::addVcInterface: Invalid virtual channel interface" << std::endl;
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return;
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}
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auto status = vcInterfaceMap.emplace(vcId, vc);
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if (status.second == false) {
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sif::warning << "Ptme::addVcInterface: Failed to add virtual channel interface to "
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"virtual channel map" << std::endl;
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return;
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}
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}
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