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try to get rid of the nanosleep
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Robin Müller 2023-05-30 19:22:23 +02:00
parent 9921522ce0
commit ddcdc38310
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1 changed files with 0 additions and 7 deletions
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7
linux/ipcore/PapbVcInterface.cpp
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@ -65,12 +65,6 @@ ReturnValue_t PapbVcInterface::write(const uint8_t* data, size_t size) {
// idx += 4; // idx += 4;
// } // }
for (size_t idx = 0; idx < size; idx++) { for (size_t idx = 0; idx < size; idx++) {
// This delay is super-important, DO NOT REMOVE!
// Polling the GPIO or the config register too often messes up the scheduler.
// TODO: Maybe this should not be done like this. It would be better if there was a custom
// FPGA module which can accept packets and then takes care of dumping that packet into
// the PTME. DMA would be an ideal solution for this.
nanosleep(&BETWEEN_POLL_DELAY, &remDelay);
if (pollInterfaceReadiness(2, false) == returnvalue::OK) { if (pollInterfaceReadiness(2, false) == returnvalue::OK) {
*(vcBaseReg + DATA_REG_OFFSET) = static_cast<uint32_t>(data[idx]); *(vcBaseReg + DATA_REG_OFFSET) = static_cast<uint32_t>(data[idx]);
} else { } else {
@ -78,7 +72,6 @@ ReturnValue_t PapbVcInterface::write(const uint8_t* data, size_t size) {
return returnvalue::FAILED; return returnvalue::FAILED;
} }
} }
nanosleep(&BETWEEN_POLL_DELAY, &remDelay);
if (pollInterfaceReadiness(2, false) == returnvalue::OK) { if (pollInterfaceReadiness(2, false) == returnvalue::OK) {
completePacketTransfer(); completePacketTransfer();
} else { } else {