continued sd card manager

This commit is contained in:
Robin Müller 2021-07-08 00:03:17 +02:00
parent 2526a45f6b
commit 2d043edea7
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GPG Key ID: BE6480244DFE612C
2 changed files with 40 additions and 5 deletions

View File

@ -1,5 +1,6 @@
#include "SdCardManager.h"
#include "fsfw/ipc/MutexFactory.h"
#include "fsfw/serviceinterface/ServiceInterface.h"
#include <fstream>
#include <filesystem>
@ -35,11 +36,38 @@ ReturnValue_t SdCardManager::switchOffSdCard(sd::SdCard sdCard) {
}
bool SdCardManager::sdCardActive(sd::SdCard sdCard) {
if(std::filesystem::exists("/tmp/sd_status.txt")) {
std::ifstream sdStatus("/tmp/sd_status.txt");
return HasReturnvaluesIF::RETURN_OK;
using namespace std;
if(not filesystem::exists("/tmp/sd_status.txt")) {
ReturnValue_t result = updateSdCardStateFile();
if(result != HasReturnvaluesIF::RETURN_OK) {
return result;
}
}
// Now the file should exist in any case. Still check whether it exists.
fstream sdStatus("/tmp/sd_status.txt");
if (not sdStatus.good()) {
return false;
}
string line;
uint8_t idx = 0;
while (std::getline(sdStatus, line)) {
istringstream iss(line);
string word;
if((sdCard == sd::SdCard::SLOT_0 and idx == 0) or
(sdCard == sd::SdCard::SLOT_1 and idx == 1)) {
while(iss >> word) {
if(word == "on") {
return true;
}
else {
return false;
}
}
}
idx++;
}
return HasReturnvaluesIF::RETURN_OK;
return false;
}
@ -51,5 +79,12 @@ void SdCardManager::setPreferredSdCard(sd::SdCard sdCard) {
preferredSdCard = sdCard;
}
void SdCardManager::updateSdCardStateFile() {
ReturnValue_t SdCardManager::updateSdCardStateFile() {
int result = std::system("q7hw sd info all > /tmp/sd_status.txt");
if(result == 0) {
return HasReturnvaluesIF::RETURN_OK;
}
sif::warning << "SdCardManager::updateSdCardStateFile: system call failed with code " <<
result << std::endl;
return HasReturnvaluesIF::RETURN_FAILED;
}

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@ -46,7 +46,7 @@ public:
private:
SdCardManager();
void updateSdCardStateFile();
ReturnValue_t updateSdCardStateFile();
sd::SdCard preferredSdCard = sd::SdCard::SLOT_0;