Line data    Source code

       1              : #include "triggeralgs/ProtoDUNEBSMWindow/PDVDEffectiveChannelMap.hpp"
       2              : 
       3              : namespace triggeralgs {
       4              : 
       5            0 : PDVDEffectiveChannelMap::PDVDEffectiveChannelMap(unsigned int first_channel, unsigned int n_channels) :
       6            0 :   m_first_channel(first_channel), m_n_channels(n_channels) {
       7              : 
       8            0 :   m_n_channels_crp_block = m_n_channels / 4; // four crps in a plane, should = 292
       9            0 :   m_n_effective_channels = m_n_channels / 2; // # effective channels half # true channels, should = 584
      10            0 : }
      11              : 
      12            0 : unsigned int PDVDEffectiveChannelMap::remapCollectionPlaneChannel(unsigned int original_channel) {
      13              :   // subtract first channel on CRP from original_channel
      14              :   // add first channel back at the end
      15            0 :   unsigned int sub_original_channel = original_channel - m_first_channel;
      16              :   
      17            0 :   const unsigned int crp_block = sub_original_channel / m_n_channels_crp_block; // 0..3
      18              :   
      19            0 :   const unsigned int local_channel = sub_original_channel % m_n_channels_crp_block; // 0..291
      20              :   
      21              :   // get the base channel based on which CRP block the originial channel is in
      22            0 :   const unsigned int base_channel  = (crp_block >= 2) ? m_n_channels_crp_block : 0;
      23              :   
      24              :   // remapped channel is the base plus the local channel in the block
      25              :   // and plus the first channel in the CRP plane
      26            0 :   return base_channel + local_channel + m_first_channel;
      27              : }
      28              : 
      29              : } // triggeralgs