sdp_hex.py

#! /usr/bin/env python3
###############################################################################
#
# Copyright 2022
# ASTRON (Netherlands Institute for Radio Astronomy) <http://www.astron.nl/>
# P.O.Box 2, 7990 AA Dwingeloo, The Netherlands
#
# 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
#
#     http://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.
#
###############################################################################
# Author: Reinier vd Walle
# Purpose: Generate the hex files for RAM initialization in SDP designs
###############################################################################

from intelhex import IntelHex
import struct

for i in range(0,6):
    f = IntelHex()    
    for j in range(0,2*488):
        #f.puts(j*4, struct.pack(">I",j))
        f.puts(j*2, struct.pack(">H",j))

    f.write_hex_file("bf_unit_ss_wide_"+str(i)+".hex", byte_count = 2)

for i in range(0,12):
    f = IntelHex()    
    for j in range(0,2*488):
        f[4*j] = 0x00
        f[4*j + 1] = 0x00
        f[4*j + 2] = 0x40
        f[4*j + 3] = 0x00
    f.write_hex_file("bf_unit_weights_"+str(i)+".hex", byte_count = 4)

for i in range(0,6):
    f = IntelHex()    
    for j in range(0,1024):
        f[4*j] = 0x00
        f[4*j + 1] = 0x00
        f[4*j + 2] = 0x20
        f[4*j + 3] = 0x00
    f.write_hex_file("gains_1024_complex_16b13f_unit_"+str(i)+".hex", byte_count = 4)