131 lines
3.4 KiB
C++
131 lines
3.4 KiB
C++
#include "SdCardManager.h"
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#include "fsfw/ipc/MutexFactory.h"
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#include "fsfw/serviceinterface/ServiceInterface.h"
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#include <fstream>
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#include <filesystem>
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SdCardManager* SdCardManager::factoryInstance = nullptr;
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SdCardManager::SdCardManager() {
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}
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SdCardManager::~SdCardManager() {
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}
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void SdCardManager::create() {
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if(factoryInstance == nullptr) {
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factoryInstance = new SdCardManager();
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}
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}
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SdCardManager* SdCardManager::instance() {
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SdCardManager::create();
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return SdCardManager::factoryInstance;
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}
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ReturnValue_t SdCardManager::switchOnSdCard(sd::SdCard sdCard) {
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// if(sdCardActive(sdCard)) {
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// return ALREADY_ON;
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// }
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return setSdCardState(sdCard, true);
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}
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ReturnValue_t SdCardManager::switchOffSdCard(sd::SdCard sdCard) {
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// if(not sdCardActive(sdCard)) {
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// return ALREADY_OFF;
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// }
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return setSdCardState(sdCard, false);
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}
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ReturnValue_t SdCardManager::setSdCardState(sd::SdCard sdCard, bool on) {
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std::string sdstring = "";
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std::string statestring = "";
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if(sdCard == sd::SdCard::SLOT_0) {
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sdstring = "0";
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}
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else if(sdCard == sd::SdCard::SLOT_1) {
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sdstring = "1";
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}
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if(on) {
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statestring = "on";
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}
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else {
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statestring = "off";
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}
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std::ostringstream command;
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command << "h7hw sd set " << sdstring << " " << statestring;
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int result = std::system(command.str().c_str());
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if(result == 0) {
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return HasReturnvaluesIF::RETURN_OK;
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}
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sif::warning << "SdCardManager::setSdCardState: system call failed with code " <<
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result << std::endl;
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return HasReturnvaluesIF::RETURN_FAILED;
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}
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ReturnValue_t SdCardManager::sdCardActive(std::pair<bool, bool>& active) {
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using namespace std;
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if(not filesystem::exists("/tmp/sd_status.txt")) {
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return STATUS_FILE_NEXISTS;
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}
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// Now the file should exist in any case. Still check whether it exists.
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fstream sdStatus("/tmp/sd_status.txt");
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if (not sdStatus.good()) {
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return STATUS_FILE_NEXISTS;
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}
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string line;
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uint8_t idx = 0;
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ReturnValue_t result = HasReturnvaluesIF::RETURN_OK;
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bool on = false;
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while (std::getline(sdStatus, line)) {
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istringstream iss(line);
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string word;
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while(iss >> word) {
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if(word == "on") {
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on = true;
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}
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else if (word == "off") {
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on = false;
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}
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else {
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continue;
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}
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if(idx == 0) {
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active.first = on;
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}
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else if(idx == 1) {
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active.second = on;
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}
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else if(idx > 1) {
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sif::warning << "SdCardManager::sdCardActive: Status file has more "
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"than 2 lines!" << std::endl;
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return STATUS_FILE_FORMAT_INVALID;
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}
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}
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idx++;
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}
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return HasReturnvaluesIF::RETURN_OK;
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}
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sd::SdCard SdCardManager::getPreferredSdCard() const {
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return preferredSdCard;
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}
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void SdCardManager::setPreferredSdCard(sd::SdCard sdCard) {
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preferredSdCard = sdCard;
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}
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ReturnValue_t SdCardManager::updateSdCardStateFile() {
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int result = std::system("q7hw sd info all > /tmp/sd_status.txt");
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if(result == 0) {
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return HasReturnvaluesIF::RETURN_OK;
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}
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sif::warning << "SdCardManager::updateSdCardStateFile: system call failed with code " <<
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result << std::endl;
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return HasReturnvaluesIF::RETURN_FAILED;
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}
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