eive/eive-obsw
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lower delays
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This commit is contained in:
Robin Müller
2023-03-27 17:02:02 +02:00
parent 68bc7f7682
commit c53c052876
6 changed files with 19 additions and 24 deletions
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17
linux/ipcore/PapbVcInterface.cpp
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@ -26,20 +26,20 @@ ReturnValue_t PapbVcInterface::initialize() {
}
ReturnValue_t PapbVcInterface::write(const uint8_t* data, size_t size) {
if (pollPapbBusySignal(0, 0) == returnvalue::OK) {
if (pollPapbBusySignal(0) == returnvalue::OK) {
startPacketTransfer();
} else {
return DirectTmSinkIF::IS_BUSY;
}
for (size_t idx = 0; idx < size; idx++) {
if (pollPapbBusySignal(10, 10) == returnvalue::OK) {
if (pollPapbBusySignal(5) == returnvalue::OK) {
*(vcBaseReg + DATA_REG_OFFSET) = static_cast<uint32_t>(data[idx]);
} else {
abortPacketTransfer();
return returnvalue::FAILED;
}
}
if (pollPapbBusySignal(10, 10) == returnvalue::OK) {
if (pollPapbBusySignal(5) == returnvalue::OK) {
completePacketTransfer();
} else {
abortPacketTransfer();
@ -52,11 +52,11 @@ void PapbVcInterface::startPacketTransfer() { *vcBaseReg = CONFIG_START; }
void PapbVcInterface::completePacketTransfer() { *vcBaseReg = CONFIG_END; }
ReturnValue_t PapbVcInterface::pollPapbBusySignal(uint32_t maxPollRetries,
uint32_t retryDelayUs) const {
ReturnValue_t PapbVcInterface::pollPapbBusySignal(uint32_t maxPollRetries) const {
gpio::Levels papbBusyState = gpio::Levels::LOW;
ReturnValue_t result;
uint32_t busyIdx = 0;
uint32_t nextDelay = 1;
while (true) {
/** Check if PAPB interface is ready to receive data */
@ -75,7 +75,10 @@ ReturnValue_t PapbVcInterface::pollPapbBusySignal(uint32_t maxPollRetries,
return PAPB_BUSY;
}
usleep(retryDelayUs);
usleep(nextDelay);
if (nextDelay * 2 <= MAX_DELAY_PAPB_POLLING_US) {
nextDelay *= 2;
}
}
return returnvalue::OK;
}
@ -100,7 +103,7 @@ void PapbVcInterface::isVcInterfaceBufferEmpty() {
return;
}
bool PapbVcInterface::isBusy() const { return pollPapbBusySignal(0, 0) == PAPB_BUSY; }
bool PapbVcInterface::isBusy() const { return pollPapbBusySignal(0) == PAPB_BUSY; }
void PapbVcInterface::cancelTransfer() { abortPacketTransfer(); }