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This commit is contained in:
Robin Müller
2023-10-13 15:24:06 +02:00
parent 4431883b4d
commit b8beddc11b
14 changed files with 61 additions and 23 deletions
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28
linux/ipcore/PapbVcInterface.cpp
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@ -32,8 +32,8 @@ ReturnValue_t PapbVcInterface::write(const uint8_t* data, size_t size, size_t& w
if (size < 4) {
return returnvalue::FAILED;
}
// The user must call finishWrite before starting a new packet transfer.
if (writeActive) {
// The user must call advance until completion before starting a new packet transfer.
if (writeActiveStatus) {
return IS_BUSY;
}
if (size > packetBuf.capacity()) {
@ -60,11 +60,6 @@ void PapbVcInterface::startPacketTransfer(ByteWidthCfg initWidth) {
*vcBaseReg = CONFIG_DATA_INPUT | initWidth;
}
void PapbVcInterface::completePacketTransfer() {
*vcBaseReg = CONFIG_END;
writeActive = false;
}
bool PapbVcInterface::pollReadyForPacket() const {
// 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.
@ -73,6 +68,9 @@ bool PapbVcInterface::pollReadyForPacket() const {
}
ReturnValue_t PapbVcInterface::advanceWrite(size_t& writtenSize) {
if (!writeActiveStatus) {
return NO_WRITE_ACTIVE;
}
if (not pollReadyForPacket()) {
return IS_BUSY;
}
@ -95,6 +93,8 @@ ReturnValue_t PapbVcInterface::advanceWrite(size_t& writtenSize) {
return returnvalue::OK;
}
bool PapbVcInterface::writeActive() const { return writeActiveStatus; }
bool PapbVcInterface::isVcInterfaceBufferEmpty() {
ReturnValue_t result = returnvalue::OK;
gpio::Levels papbEmptyState = gpio::Levels::HIGH;
@ -131,4 +131,16 @@ inline bool PapbVcInterface::pollReadyForOctet(uint32_t maxCycles) const {
return false;
}
void PapbVcInterface::abortPacketTransfer() { *vcBaseReg = CONFIG_ABORT; }
void PapbVcInterface::abortPacketTransfer() {
*vcBaseReg = CONFIG_ABORT;
writeActiveStatus = false;
currentPacketIndex = 0;
currentPacketSize = 0;
}
void PapbVcInterface::completePacketTransfer() {
*vcBaseReg = CONFIG_END;
writeActiveStatus = false;
currentPacketIndex = 0;
currentPacketSize = 0;
}