Bool_t
AliFMDAltroMapping::Hardware2Detector(UInt_t ddl, UInt_t addr,
UShort_t& det, Char_t& ring,
- UShort_t& sec, UShort_t& str) const
+ UShort_t& sec, Short_t& str) const
{
// Translate a hardware address to detector coordinates.
//
AliFMDAltroMapping::Hardware2Detector(UInt_t ddl, UInt_t board,
UInt_t altro, UInt_t chan,
UShort_t& det, Char_t& ring,
- UShort_t& sec, UShort_t& str) const
+ UShort_t& sec, Short_t& str) const
{
// Translate a hardware address to detector coordinates.
// The detector is simply
// the outer rings.
//
// The board number and ALTRO number together identifies the sensor,
- // and hence. The lower board number (0 or 2) are the first N / 2
+ // and hence. The lower board number (0 or 16) are the first N / 2
// sensors (where N is the number of sensors in the ring).
//
// There are 3 ALTRO's per card, and each ALTRO serves up to 4
// number only. For the inner rings, the map is
//
// Channel 0 -> Sector 0, strips 0-127
- // Channel 1 -> Sector 1, strips 0-127
+ // Channel 1 -> Sector 1, strips 127-0
// Channel 3 -> Sector 0, strips 128-255
- // Channel 4 -> Sector 1, strips 128-255
+ // Channel 4 -> Sector 1, strips 255-128
// Channel 5 -> Sector 0, strips 256-383
- // Channel 6 -> Sector 1, strips 256-383
+ // Channel 6 -> Sector 1, strips 383-256
// Channel 7 -> Sector 0, strips 384-511
- // Channel 8 -> Sector 1, strips 384-511
+ // Channel 8 -> Sector 1, strips 511-384
//
// There are only half as many strips in the outer sensors, so there
// only 4 channels are used for a full sensor. The map is
//
// Channel 0 -> Sector 0, strips 0-127
- // Channel 1 -> Sector 1, strips 0-127
+ // Channel 1 -> Sector 1, strips 127-0
// Channel 3 -> Sector 0, strips 128-255
- // Channel 4 -> Sector 1, strips 128-255
+ // Channel 4 -> Sector 1, strips 255-128
//
// With this information, we can decode the hardware address to give
// us detector coordinates, unique at least up a 128 strips. We
- // return the first strip in the given range.
+ // return the first strip, as seen by the ALTRO channel, in the
+ // given range.
//
det = ddl + 1;
ring = (board % 2) == 0 ? 'I' : 'O';
str = ((chan % 4) / 2) * 128;
break;
}
+ if (sec % 2) str += 127;
return kTRUE;
}
+//____________________________________________________________________
+Bool_t
+AliFMDAltroMapping::Hardware2Detector(UInt_t ddl, UInt_t addr,
+ UShort_t timebin, UShort_t preSamples,
+ UShort_t sampleRate,
+ UShort_t& det, Char_t& ring,
+ UShort_t& sec, Short_t& str,
+ UShort_t& sam) const
+{
+ // Translate a hardware address to detector coordinates.
+ //
+ // See also Hardware2Detector that accepts 4 inputs
+ UInt_t board = (addr >> 7) & 0x1F;
+ UInt_t altro = (addr >> 4) & 0x7;
+ UInt_t chan = (addr & 0xf);
+ return Hardware2Detector(ddl, board, altro, chan,
+ timebin, preSamples, sampleRate,
+ det, ring, sec, str, sam);
+}
+
+//____________________________________________________________________
+Bool_t
+AliFMDAltroMapping::Hardware2Detector(UInt_t ddl, UInt_t board,
+ UInt_t altro, UInt_t chan,
+ UInt_t timebin, UInt_t preSamples,
+ UInt_t sampleRate,
+ UShort_t& det, Char_t& ring,
+ UShort_t& sec, Short_t& str,
+ UShort_t& sam) const
+{
+ // Full conversion from hardware address, including timebin number,
+ // to detector coordinates and sample number. Note, that this
+ // conversion depends on the oversampling rate and the number of
+ // pre-samples
+ if (!Hardware2Detector(ddl, board, altro, chan, det, ring, sec, str))
+ return kFALSE;
+ UShort_t t = (timebin - preSamples);
+ sam = (t % sampleRate);
+ t -= sam;
+ str += (sec % 2 ? -1 : 1) * t / sampleRate;
+ // if (sec % 2) sam = sampleRate - 1 - sam;
+#if 0
+ AliFMDDebug(3, ("%d/0x%02x/0x%x/0x%x/%04d -> FMD%d%c[%02d,%03d]-%d"
+ " (pre=%2d, rate=%d)",
+ ddl, board, altro, chan, timebin,
+ det, ring, sec, str, sam, preSamples, sampleRate));
+#endif
+ return kTRUE;
+}
+
+
//____________________________________________________________________
Bool_t
AliFMDAltroMapping::Detector2Hardware(UShort_t det, Char_t ring,
// Sector 0, strips 128-255 -> Channel 2
// Sector 0, strips 256-383 -> Channel 4
// Sector 0, strips 384-511 -> Channel 6
- // Sector 1, strips 0-127 -> Channel 1
- // Sector 1, strips 128-255 -> Channel 3
- // Sector 1, strips 256-383 -> Channel 5
- // Sector 1, strips 384-511 -> Channel 7
+ // Sector 1, strips 127- 0 -> Channel 1
+ // Sector 1, strips 255-128 -> Channel 3
+ // Sector 1, strips 383-256 -> Channel 5
+ // Sector 1, strips 511-384 -> Channel 7
// Sector 2, strips 0-127 -> Channel 8
// Sector 2, strips 128-255 -> Channel 10
// Sector 2, strips 256-383 -> Channel 12
// Sector 2, strips 384-511 -> Channel 14
- // Sector 3, strips 0-127 -> Channel 9
- // Sector 3, strips 128-255 -> Channel 11
- // Sector 3, strips 256-383 -> Channel 13
- // Sector 3, strips 384-511 -> Channel 15
+ // Sector 3, strips 127- 0 -> Channel 9
+ // Sector 3, strips 255-128 -> Channel 11
+ // Sector 3, strips 383-256 -> Channel 13
+ // Sector 3, strips 511-384 -> Channel 15
//
// and so on, up to sector 19. For the outer, the map is
//
// Sector 0, strips 0-127 -> Channel 0
// Sector 0, strips 128-255 -> Channel 2
- // Sector 1, strips 0-127 -> Channel 1
- // Sector 1, strips 128-255 -> Channel 3
+ // Sector 1, strips 127- 0 -> Channel 1
+ // Sector 1, strips 255-128 -> Channel 3
// Sector 2, strips 0-127 -> Channel 4
// Sector 2, strips 128-255 -> Channel 6
- // Sector 3, strips 0-127 -> Channel 5
- // Sector 3, strips 128-255 -> Channel 7
+ // Sector 3, strips 127- 0 -> Channel 5
+ // Sector 3, strips 255-128 -> Channel 7
// Sector 4, strips 0-127 -> Channel 8
// Sector 4, strips 128-255 -> Channel 10
- // Sector 5, strips 0-127 -> Channel 9
- // Sector 5, strips 128-255 -> Channel 11
+ // Sector 5, strips 127- 0 -> Channel 9
+ // Sector 5, strips 255-128 -> Channel 11
// Sector 6, strips 0-127 -> Channel 12
// Sector 6, strips 128-255 -> Channel 14
- // Sector 7, strips 0-127 -> Channel 13
- // Sector 7, strips 128-255 -> Channel 15
+ // Sector 7, strips 127- 0 -> Channel 13
+ // Sector 7, strips 255-128 -> Channel 15
//
// and so on upto sector 40.
//
return kTRUE;
}
+//____________________________________________________________________
+Bool_t
+AliFMDAltroMapping::Detector2Hardware(UShort_t det, Char_t ring,
+ UShort_t sec, UShort_t str,
+ UShort_t sam,
+ UShort_t preSamples, UShort_t sampleRate,
+ UInt_t& ddl, UInt_t& board,
+ UInt_t& altro, UInt_t& channel,
+ UShort_t& timebin) const
+{
+ if (!Detector2Hardware(det,ring,sec,str,ddl,board,altro,channel))
+ return kFALSE;
+ timebin = preSamples;
+ if (sec % 2)
+ timebin += (127 - (str % 128)) * sampleRate;
+ else
+ timebin += (str % 128) * sampleRate;
+ timebin += sam;
+ return kTRUE;
+}
+
+
+//____________________________________________________________________
+Bool_t
+AliFMDAltroMapping::Detector2Hardware(UShort_t det, Char_t ring,
+ UShort_t sec, UShort_t str,
+ UShort_t sam,
+ UShort_t preSamples, UShort_t sampleRate,
+ UInt_t& ddl, UInt_t& hwaddr,
+ UShort_t& timebin) const
+{
+ UInt_t board = 0;
+ UInt_t altro = 0;
+ UInt_t chan = 0;
+ if (!Detector2Hardware(det, ring, sec, str, sam,
+ preSamples, sampleRate,
+ ddl, board, altro, chan, timebin)) return kFALSE;
+ hwaddr = chan + (altro << 4) + (board << 7);
+ return kTRUE;
+}
+
+
+
//____________________________________________________________________
Int_t
AliFMDAltroMapping::GetHWAddress(Int_t sec, Int_t str, Int_t ring)
UShort_t det;
Char_t ring;
UShort_t sec;
- UShort_t str;
+ Short_t str;
Int_t ddl = 0;
if (!Hardware2Detector(ddl, hwaddr, det, ring, sec, str)) return -1;
return Int_t(sec);
UShort_t det;
Char_t ring;
UShort_t sec;
- UShort_t str;
+ Short_t str;
Int_t ddl = 0;
if (!Hardware2Detector(ddl, hwaddr, det, ring, sec, str)) return -1;
return Int_t(str);
UShort_t det;
Char_t ring;
UShort_t sec;
- UShort_t str;
+ Short_t str;
Int_t ddl = 0;
if (!Hardware2Detector(ddl, hwaddr, det, ring, sec, str)) return -1;
return Int_t(ring);
TString opt(option);
opt.ToLower();
UInt_t ddl, board, chip, chan, addr;
- UShort_t det, sec, str;
+ UShort_t det, sec;
+ Short_t str;
Char_t rng;
if (opt.Contains("hw") || opt.Contains("hardware")) {
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