eive/eive-obsw
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read reg instead of polling GPIO

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This commit is contained in:
Robin Müller
2023-03-30 23:52:37 +02:00
parent a6e24485e2
commit f6f4db525c
2 changed files with 7 additions and 16 deletions
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19
linux/ipcore/PapbVcInterface.cpp
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@ -18,12 +18,11 @@ PapbVcInterface::~PapbVcInterface() {}
ReturnValue_t PapbVcInterface::initialize() {
UioMapper uioMapper(uioFile, mapNum);
uint32_t* baseReg;
ReturnValue_t result = uioMapper.getMappedAdress(&baseReg, UioMapper::Permissions::WRITE_ONLY);
ReturnValue_t result = uioMapper.getMappedAdress(const_cast<uint32_t**>(&vcBaseReg),
UioMapper::Permissions::WRITE_ONLY);
if (result != returnvalue::OK) {
return result;
}
vcBaseReg = baseReg;
return returnvalue::OK;
}
@ -62,20 +61,14 @@ void PapbVcInterface::startPacketTransfer() { *vcBaseReg = CONFIG_START; }
void PapbVcInterface::completePacketTransfer() { *vcBaseReg = CONFIG_END; }
ReturnValue_t PapbVcInterface::pollPapbBusySignal(uint32_t maxPollRetries) const {
gpio::Levels papbBusyState = gpio::Levels::LOW;
ReturnValue_t result;
uint32_t busyIdx = 0;
nextDelay.tv_nsec = 0;
while (true) {
/** Check if PAPB interface is ready to receive data */
result = gpioComIF->readGpio(papbBusyId, papbBusyState);
if (result != returnvalue::OK) {
sif::warning << "PapbVcInterface::pollPapbBusySignal: Failed to read papb busy signal"
<< std::endl;
return returnvalue::FAILED;
}
if (papbBusyState == gpio::Levels::HIGH) {
// Check if PAPB interface is ready to receive data. Use the configuration register for this.
// Bit 5, see PTME ptme_001_01-0-7-r2 Table 31.
bool busy = ((*vcBaseReg) >> 5) & 0b1;
if (not busy) {
return returnvalue::OK;
}