| #!/usr/bin/env python3 |
| # -*- coding: utf-8 -*- |
| # |
| # Copyright (C) 2017-2020 The Project X-Ray Authors. |
| # |
| # Use of this source code is governed by a ISC-style |
| # license that can be found in the LICENSE file or at |
| # https://opensource.org/licenses/ISC |
| # |
| # SPDX-License-Identifier: ISC |
| |
| from prjxray.segmaker import Segmaker |
| |
| segmk = Segmaker("design.bits") |
| |
| print("Loading tags") |
| ''' |
| module,loc,n,def_a |
| clb_N5FFMUX,SLICE_X12Y100,3,1 |
| clb_N5FFMUX,SLICE_X13Y100,0,1 |
| clb_N5FFMUX,SLICE_X14Y100,3,1 |
| ''' |
| f = open('params.csv', 'r') |
| f.readline() |
| for l in f: |
| module, loc, n, def_a = l.split(',') |
| def_a = int(def_a) |
| n = int(n) |
| #which = chr(ord('A') + n) |
| |
| for i, which in enumerate('ABCD'): |
| # Theory: there is one bit for each mux positon |
| # In each config 3 muxes are in one position, other 3 are in another |
| inv = int(i == n) |
| segmk.add_site_tag(loc, "%c5FFMUX.IN_A" % which, def_a ^ inv) |
| segmk.add_site_tag(loc, "%c5FFMUX.IN_B" % which, 1 ^ def_a ^ inv) |
| segmk.compile() |
| segmk.write() |
