################################################################################################
# Copyright 2022 GlobalFoundries PDK Authors
#
# Licensed under the Apache License, Version 2.0 (the 'License');
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an 'AS IS' BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
################################################################################################

if FEOL

    #================================================
    #---------------------NWELL----------------------
    #================================================ 

    # Rule NW.1a: Min. Nwell Width. is 0.86µm
    logger.info('Executing rule NW.1a')
    nw1a_l1  = nwell.width(0.86.um, euclidian).polygons(0.001)
    nw1a_l1.output('NW.1a', 'NW.1a : Min. Nwell Width. : 0.86µm')
    nw1a_l1.forget 

    nw_1b = nwell.outside(dnwell).and(res_mk).not(comp).not(poly2)
    # Rule NW.1b: Min. Nwell Width as a resistor. is 2.1µm
    logger.info('Executing rule NW.1b')
    nw1b_l1  = nw_1b.width(2.1.um, euclidian).polygons(0.001)
    nw1b_l1.output('NW.1b', 'NW.1b : Min. Nwell Width as a resistor. : 2.1µm')
    nw1b_l1.forget 

    if CONNECTIVITY_RULES
    logger.info('CONNECTIVITY_RULES section') 

    connected_nwell, unconnected_nwell = conn_space(nwell, 0.6, 1.4, euclidian) 

    # Rule NW.2a: Min. Nwell Space (Outside DNWELL) [Equi-potential], Merge if the space is less than. is 0.6µm
    logger.info('Executing rule NW.2a')
    nw2a_l1  = connected_nwell
    nw2a_l1.output('NW.2a', 'NW.2a : Min. Nwell Space (Outside DNWELL) [Equi-potential], Merge if the space is less than. : 0.6µm')
    nw2a_l1.forget 

    # Rule NW.2b: Min. Nwell Space (Outside DNWELL) [Different potential]. is 1.4µm
    logger.info('Executing rule NW.2b')
    nw2b_l1  = unconnected_nwell
    nw2b_l1.output('NW.2b', 'NW.2b : Min. Nwell Space (Outside DNWELL) [Different potential]. : 1.4µm')
    nw2b_l1.forget 

    else
    logger.info('CONNECTIVITY_RULES disabled section') 

    # Rule NW.2b : Min. Nwell Space (Outside DNWELL) [Different potential]. is 1.4µm
    logger.info('Executing rule NW.2b ')
    nw2b_l1  = nwell.isolated(1.4.um, euclidian).polygons(0.001)
    nw2b_l1.output('NW.2b', 'NW.2b  : Min. Nwell Space (Outside DNWELL) [Different potential]. : 1.4µm')
    nw2b_l1.forget 

    end #CONNECTIVITY_RULES 

end #FEOL