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#!/usr/bin/python3
"""
Script for programming lmk05318 on the clocking aux board
"""
# pylint: disable=no-member
import time
import argparse
import re
from uhd.utils.mpmtools import MPMClient, MPM_RPC_PORT, InitMode
DESCRIPTION_TEST = '''reads LMK register file generated by TICS Pro and writes via mpm_shell
the commands on the USRP given by the --host parameter.'''
parser = argparse.ArgumentParser(epilog=DESCRIPTION_TEST,
formatter_class=argparse.RawDescriptionHelpFormatter)
parser.add_argument('reg_file', help='LMK register config file')
parser.add_argument('--host', default="localhost",
help='USRP host to be programmed, usrp-hwd must run there')
parser.add_argument('-p', '--program_to_eeprom', action='store_true',
help='write config to eeprom, be careful, only 100 write-cycles are supported')
parser.add_argument('-v', '--verify_eeprom', action='store_true',
help='read config from eeprom and compares it to given reg_file')
args = parser.parse_args()
def parse_reg_file(file):
"""
Parse the register values from the provided register config file
"""
regfile_regex = re.compile(r"^R(\d*)\t(0x[0-9A-F]*)")
reg_dict = {}
for line in open(file, 'r').readlines():
if regfile_regex.match(line):
[reg_str, reg_val] = line.strip().split('\t')
reg_val = reg_val.split('0x')[1]
reg_addr = reg_val[:4]
reg_data = reg_val[4:]
reg_dict[reg_str] = (hex(int(reg_addr, base=16)), hex(int(reg_data, base=16)))
return reg_dict
mpm_c = MPMClient(InitMode.Claim, "localhost", MPM_RPC_PORT)
# read the register file containing the actual values to be programmed
print("read register values from {}".format(args.reg_file))
prog_regs = parse_reg_file(args.reg_file)
print("start programming the LMK registers")
mpm_c.clkaux_set_nsync_lmk_power_en(1)
mpm_c.clkaux_set_nsync_tcxo_en(1)
if not mpm_c.clkaux_get_nsync_chip_id_valid():
raise RuntimeError("chip ID of LMK is not valid, skip programming")
print('EEPROM has been programmed {} times'.format(
mpm_c.clkaux_get_nsync_lmk_eeprom_prog_cycles()))
# now write the commands to program the LMK
for reg in prog_regs:
mpm_c.poke_clkaux(int(prog_regs[reg][0], 16), int(prog_regs[reg][1], 16))
val = mpm_c.peek_clkaux(int(prog_regs[reg][0], 16)).lower()
if prog_regs[reg][1] != val:
print("warning, reg values are not as programmed: addr: {}, prog: {}, read: {}"
.format(prog_regs[reg][0], prog_regs[reg][1], val))
if args.program_to_eeprom:
print("programming register values into EEPROM")
print('EEPROM has been programmed {} times'.format(
mpm_c.clkaux_get_nsync_lmk_eeprom_prog_cycles()))
mpm_c.clkaux_write_nsync_lmk_cfg_regs_to_eeprom("register_commit")
mpm_c.clkaux_set_nsync_soft_reset(True)
mpm_c.clkaux_set_nsync_soft_reset(False)
mpm_c.clkaux_set_nsync_lmk_power_en(0)
print("programming of LMK done, chip is powered down")
if args.verify_eeprom:
time.sleep(1)
VERIFY_OK = True
print("start verification of EEPROM, powering chip up")
mpm_c.clkaux_set_nsync_lmk_power_en(1)
mpm_c.clkaux_set_nsync_tcxo_en(1)
if not mpm_c.clkaux_get_nsync_chip_id_valid():
raise RuntimeError("chip ID of LMK is not valid, skip verifying")
for reg in prog_regs:
val = mpm_c.peek_clkaux(int(prog_regs[reg][0], 16)).lower()
if str(prog_regs[reg][1]) != val:
VERIFY_OK = False
print("warning, reg values are not as programmed: addr: {}, prog: {}, read: {}"
.format(prog_regs[reg][0], prog_regs[reg][1], val))
if VERIFY_OK:
print("SUCCESS: read back values are equal to programmed values")
else:
print("ERROR: EEPROM verification failed!")
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