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that was an evil bug
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This commit is contained in:
Robin Müller
2023-03-04 17:06:23 +01:00
parent c8a2395d61
commit 4c1b79fd66
8 changed files with 70 additions and 20 deletions
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34
linux/devices/ImtqPollingTask.cpp
View File

@ -121,12 +121,24 @@ void ImtqPollingTask::handleMeasureStep() {
}
// Takes a bit of time to take measurements. Subtract a bit because of the delay of previous
// commands.
TaskFactory::delayTask(currentIntegrationTimeMs);
TaskFactory::delayTask(currentIntegrationTimeMs + MGM_READ_BUFFER_TIME_MS);
cmdBuf[0] = imtq::CC::GET_RAW_MTM_MEASUREMENT;
if (i2cCmdExecMeasure(imtq::CC::GET_RAW_MTM_MEASUREMENT) != returnvalue::OK) {
return;
}
// See p.39 of the iMTQ user manual. If the NEW bit of the STAT bitfield is not set, we probably
// have old data. Which can be really bad for ACS. And everything.
if ((replyPtr[2] >> 7) == 0) {
sif::error << "IMTQ: MGM measurement too old" << std::endl;
TaskFactory::delayTask(2);
if (i2cCmdExecMeasure(imtq::CC::GET_RAW_MTM_MEASUREMENT) != returnvalue::OK) {
return;
}
if ((replyPtr[2] >> 7) == 0b1) {
replyPtr[0] = false;
}
}
cmdBuf[0] = imtq::CC::GET_ENG_HK_DATA;
if (i2cCmdExecMeasure(imtq::CC::GET_ENG_HK_DATA) != returnvalue::OK) {
@ -160,18 +172,34 @@ void ImtqPollingTask::handleActuateStep() {
return;
}
TaskFactory::delayTask(10);
cmdLen = 1;
cmdBuf[0] = imtq::CC::START_MTM_MEASUREMENT;
if (i2cCmdExecActuate(imtq::CC::START_MTM_MEASUREMENT) != returnvalue::OK) {
return;
}
TaskFactory::delayTask(currentIntegrationTimeMs);
TaskFactory::delayTask(currentIntegrationTimeMs + MGM_READ_BUFFER_TIME_MS);
cmdBuf[0] = imtq::CC::GET_RAW_MTM_MEASUREMENT;
if (i2cCmdExecActuate(imtq::CC::GET_RAW_MTM_MEASUREMENT) != returnvalue::OK) {
return;
}
// See p.39 of the iMTQ user manual. If the NEW bit of the STAT bitfield is not set, we probably
// have old data. Which can be really bad for ACS. And everything.
if ((replyPtr[2] >> 7) == 0) {
sif::error << "IMTQ: MGM measurement too old" << std::endl;
TaskFactory::delayTask(2);
cmdBuf[0] = imtq::CC::GET_RAW_MTM_MEASUREMENT;
if (i2cCmdExecActuate(imtq::CC::GET_RAW_MTM_MEASUREMENT) != returnvalue::OK) {
return;
}
if ((replyPtr[2] >> 7) == 0b1) {
replyPtr[0] = false;
}
}
cmdBuf[0] = imtq::CC::GET_ENG_HK_DATA;
if (i2cCmdExecActuate(imtq::CC::GET_ENG_HK_DATA) != returnvalue::OK) {
return;
@ -312,6 +340,8 @@ void ImtqPollingTask::buildDipoleCommand() {
}
SerializeAdapter::serialize(&torqueDuration, &serPtr, &serLen, cmdBuf.size(),
SerializeIF::Endianness::LITTLE);
// sif::debug << "Dipole X: " << dipoles[0] << std::endl;
// sif::debug << "Torqeu Dur: " << torqueDuration << std::endl;
cmdLen = 1 + serLen;
}

2
linux/devices/ImtqPollingTask.h
View File

@ -32,6 +32,8 @@ class ImtqPollingTask : public SystemObject,
const char* i2cDev = nullptr;
address_t i2cAddr = 0;
uint32_t currentIntegrationTimeMs = 10;
// Required in addition to integration time, otherwise old data might be read.
static constexpr uint32_t MGM_READ_BUFFER_TIME_MS = 3;
bool ignoreNextActuateRequest = false;
imtq::SpecialRequest specialRequest = imtq::SpecialRequest::NONE;