bool COM::BuildModuleCapacityMatrix() {
  for (volatile uint8_t nSlot = 1; nSlot <= NUM_SLOTS; nSlot++) {
    m_anCapacitiesPerSlot[nSlot] = m_cSPIProtocol.ReadLongViaSPI(B00_MODULE_CAPACITIES, nSlot);
  }
  for (volatile uint32_t nSlot = 1; nSlot <= NUM_SLOTS; nSlot++) {  // nSlot must be uint32 too for the code to work
    for (uint32_t nCapacityBit = 0; nCapacityBit < TOTAL_CAPACITIES; nCapacityBit++) {
      if (m_anCapacitiesPerSlot[nSlot] & (1UL << nCapacityBit)) {
        m_anSlotListPerCapacity[nCapacityBit] |= (1UL << nSlot);
      }
    }
  }
  m_bIdentifyModulesAgain = false;
  return true;
}