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24 | minus-face LE autoranging disabled |
25 | minus-face HE autoranging disabled |
26 | plus-face LE autoranging disabled |
27 | plus-face HE autoranging disabled |
28-31 | unused |
Algorithms for correcting current and not-unlikely future failures in FixXtalResp
On 5 Aug 2010 (Day 217), at 5:24 PM EDT, J. Eric Grove wrote:
Chul,
Wiki Markup Here I've detailed the actions for FixXtalResp in the cases we currently understand. I've added a new CalXtalRecData status word definition \[at the bottom of this email\] adding Bill's corrected-energy bit and a bit to indicate that we've mitigated the failure.
Eric
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case == bad plus-face HEX8 && bad plus-face HEX1 && ! plus-face HE autoranging disabled /* this is the case for the current failure and current configuration */ /* if one of the HEX ranges is best range, fix it */ /* if plus-face first range == (HEX8 || HEX1), calculate E using the opposite face and the externally provided longitudinal position clear the bad energy bit set the externally provided longitudinal position bit (maybe set the failure-mitigation energy bit) */ case == bad plus-face HEX8 && bad plus-face HEX1 && plus-face HE autoranging disabled /* this is the case for the current failure, but it requires a configuration we have not used */ /* if LEX1 is best range and saturated, fix it */ /* if plus-face first range == LEX1 && plus-face > 4050 (i.e. saturated), calculate E using the opposite face and the externally provided longitudinal position clear the bad energy bit set the externally provided longitudinal position bit (maybe set the failure-mitigation energy bit) */ case == bad plus-face LEX8 && bad plus-face LEX1 && bad plus-face HEX8 && bad plus-face HEX1 /* this is the case we may get to soon if this GCFE continues to degrade and the LE ranges fail */ /* in all cases, calculate E using the opposite face and the externally provided longitudinal position clear the bad energy bit set the externally provided longitudinal position bit (maybe set the failure-mitigation energy bit) */ |