TCINTEN
edesc->pset[i].param.opt |= TCINTEN;
edesc->pset[i].param.opt |= (TCINTEN | TCCMODE);
edesc->pset[0].param.opt |= TCINTEN;
edesc->pset[1].param.opt |= TCINTEN;
param->opt |= TCINTEN;
edesc->pset[i].param.opt |= TCINTEN;