diff --git a/algo/detectors/sts/ReadoutConfig.cxx b/algo/detectors/sts/ReadoutConfig.cxx
index dfec7cbcb2cbffc17d22ab11a5fee7f9e066e3b9..fa33f79c344aab481b78cd03be1ace84ed21ad39 100644
--- a/algo/detectors/sts/ReadoutConfig.cxx
+++ b/algo/detectors/sts/ReadoutConfig.cxx
@@ -61,6 +61,7 @@ void sts::ReadoutConfig::Init(const ReadoutSetup& config)
const uint16_t numCrobPerComp = config.components.at(0).feb2module.size(); // Number of CROBs per component
// const uint16_t numFebsPerCrob = config.components.at(0).feb2module.at(0).size(); // Number of FEBs per CROB
const uint16_t numAsicsPerFeb = config.numAsicsPerFeb; // Number of ASICs per FEB
+ const uint16_t numAsicsPerMod = 2 * numAsicsPerFeb; // Number of ASICs per module
const uint16_t numElinksPerCrob = config.elinks.size(); // Number of elinks per CROB
// Constructing the map (equipmentId, eLink) -> (module, ASIC within module)
@@ -93,8 +94,8 @@ void sts::ReadoutConfig::Init(const ReadoutSetup& config)
int16_t febType = (moduleType == 0 ? moduleSide : !moduleSide); // 0 = FEB A, 1 = FEB B
uint32_t asicIndex = (febType == 0 ? elink.toAsicFebA : elink.toAsicFebB);
uint32_t asicInFeb = asicIndex % numAsicsPerFeb; // ASIC number within FEB
-
- asicInModule = (moduleSide == 1 ? asicInFeb : asicInFeb + numAsicsPerFeb);
+ // Asic number is counted downward from numAsicsPerMod - 1 for p side
+ asicInModule = (moduleSide == 1 ? asicInFeb : numAsicsPerMod - 1 - asicInFeb);
}
}
fReadoutConfig[equipment][elinkIdx] = {moduleAddress, asicInModule, isPulser};
diff --git a/algo/detectors/sts/StsReadoutConfigLegacy.cxx b/algo/detectors/sts/StsReadoutConfigLegacy.cxx
index 4802a74bc40ab606a753e820d6a6055bb7464296..1cd4078a5f860108e8e430db232bb7d918ca1012 100644
--- a/algo/detectors/sts/StsReadoutConfigLegacy.cxx
+++ b/algo/detectors/sts/StsReadoutConfigLegacy.cxx
@@ -79,6 +79,7 @@ namespace cbm::algo
const uint16_t numCrobPerComp = 1; // Number of CROBs per component
const uint16_t numFebsPerCrob = 5; // Number of FEBs per CROB
const uint16_t numAsicsPerFeb = 8; // Number of ASICs per FEB
+ const uint16_t numAsicsPerMod = 16; // Number of ASICs per module
const uint16_t numElinksPerCrob = 42; // Number of elinks per CROB
// Equipment IDs for each component
@@ -169,8 +170,8 @@ namespace cbm::algo
int16_t febType = (moduleType == 0 ? moduleSide : !moduleSide); // 0 = FEB A, 1 = FEB B
uint32_t asicIndex = (febType == 0 ? elink2AsicFebA[elinkId] : elink2AsicFebB[elinkId]);
uint32_t asicInFeb = asicIndex % numAsicsPerFeb; // ASIC number within FEB
-
- asicInModule = (moduleSide == 1 ? asicInFeb : asicInFeb + numAsicsPerFeb);
+ // Asic number is counted downward from numAsicsPerMod - 1 for p side
+ asicInModule = (moduleSide == 1 ? asicInFeb : numAsicsPerMod - 1 - asicInFeb);
}
}
fReadoutMap[equipment][elink] = std::make_pair(moduleAddress, asicInModule);
diff --git a/algo/detectors/sts/UnpackSts.cxx b/algo/detectors/sts/UnpackSts.cxx
index f7d72fa3f73db5cb6ef8167df3709604c6da3a9b..ad1a586ac100d7af2590c86ea34e0b64be6437a9 100644
--- a/algo/detectors/sts/UnpackSts.cxx
+++ b/algo/detectors/sts/UnpackSts.cxx
@@ -105,15 +105,12 @@ namespace cbm::algo
uint32_t asicNr = elinkPar.fAsicNr;
// --- Hardware-to-software address
- uint32_t numChansPerModule = fParams.fNumAsicsPerModule * fParams.fNumChansPerAsic;
- uint32_t address = elinkPar.fAddress;
- uint32_t channel = 0;
- if (asicNr < fParams.fNumAsicsPerModule / 2) { // front side (n side)
+ uint32_t channel = 0;
+ if (asicNr < fParams.fNumAsicsPerModule / 2) { // front side (n side); channels counted upward
channel = message.GetHitChannel() + fParams.fNumChansPerAsic * asicNr;
}
- else { // back side (p side)
- channel = numChansPerModule - message.GetHitChannel()
- - fParams.fNumChansPerAsic * (asicNr - fParams.fNumAsicsPerModule / 2) - 1;
+ else { // back side (p side); channels counted downward
+ channel = fParams.fNumChansPerAsic * (asicNr + 1) - message.GetHitChannel() - 1;
}
// --- Expand time stamp to time within timeslice (in clock cycle)
@@ -132,7 +129,7 @@ namespace cbm::algo
double charge = elinkPar.fAdcOffset + (message.GetHitAdc() - 1) * elinkPar.fAdcGain;
// --- Create output digi
- digiVec.emplace_back(address, channel, messageTime, charge);
+ digiVec.emplace_back(elinkPar.fAddress, channel, messageTime, charge);
}
// --------------------------------------------------------------------------
diff --git a/algo/detectors/sts/UnpackStsXpu.cxx b/algo/detectors/sts/UnpackStsXpu.cxx
index 5339ccb56cd84e4ab3cbdffc3834fd3ed86524ce..bc62c0583967f7e1a45400488181a05af46b5d68 100644
--- a/algo/detectors/sts/UnpackStsXpu.cxx
+++ b/algo/detectors/sts/UnpackStsXpu.cxx
@@ -214,15 +214,12 @@ namespace cbm::algo
uint32_t asicNr = elinkPar.fAsicNr;
// --- Hardware-to-software address
- uint32_t numChansPerModule = unpackPar.fNumAsicsPerModule * unpackPar.fNumChansPerAsic;
- uint32_t address = elinkPar.fAddress;
- uint32_t channel = 0;
- if (asicNr < unpackPar.fNumAsicsPerModule / 2) { // front side (n side)
+ uint32_t channel = 0;
+ if (asicNr < unpackPar.fNumAsicsPerModule / 2) { // front side (n side); channels counted upward
channel = message.GetHitChannel() + unpackPar.fNumChansPerAsic * asicNr;
}
- else { // back side (p side)
- channel = numChansPerModule - message.GetHitChannel()
- - unpackPar.fNumChansPerAsic * (asicNr - unpackPar.fNumAsicsPerModule / 2) - 1;
+ else { // back side (p side); channels counted downward
+ channel = unpackPar.fNumChansPerAsic * (asicNr + 1) - message.GetHitChannel() - 1;
}
// --- Expand time stamp to time within timeslice (in clock cycle)
@@ -239,7 +236,7 @@ namespace cbm::algo
double charge = elinkPar.fAdcOffset + (message.GetHitAdc() - 1) * elinkPar.fAdcGain;
// --- Create output digi
- digis[numDigis] = CbmStsDigi(address, channel, messageTime, charge);
+ digis[numDigis] = CbmStsDigi(elinkPar.fAddress, channel, messageTime, charge);
numDigis++;
}
// --------------------------------------------------------------------------
diff --git a/algo/unpack/Unpack.cxx b/algo/unpack/Unpack.cxx
index 8f2111e853aa72f3eebd9992ca6195d96ab504eb..b6c9b40d799b3909b7e13387954e03f8aceca2b4 100644
--- a/algo/unpack/Unpack.cxx
+++ b/algo/unpack/Unpack.cxx
@@ -168,13 +168,7 @@ namespace cbm::algo
elinkPar.fTimeOffset = 0.;
elinkPar.fAdcOffset = 1.;
elinkPar.fAdcGain = 1.;
- if (elinkPar.fAsicNr < numAsicsPerModuleSts / 2) {
- elinkPar.fWalk = fStsConfig.WalkMap(elinkPar.fAddress, elinkPar.fAsicNr);
- }
- else {
- elinkPar.fWalk = fStsConfig.WalkMap(elinkPar.fAddress,
- numAsicsPerModuleSts - (elinkPar.fAsicNr - numAsicsPerModuleSts / 2) - 1);
- }
+ elinkPar.fWalk = fStsConfig.WalkMap(elinkPar.fAddress, elinkPar.fAsicNr);
// TODO: Add parameters for time and ADC calibration
par->fElinkParams.push_back(elinkPar);
}