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regmap.py
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regmap.py
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#! /usr/bin/env python3
#################################################################
# Guillaume W. Bres, 2022 <guillaume.bressaix@gmail.com>
#################################################################
# regmap.py: load/dump a register map into device
#################################################################
import sys
import json
import argparse
from ad9546 import *
REGMAP = [
(0x0000, 0x0001),
(0x0003, 0x0006),
(0x000B, 0x000D),
(0x000F, 0x0010),
(0x0020, 0x0023),
(0x0100, 0x011F),
(0x0182, 0x0188),
(0x0200, 0x0209),
(0x0280, 0x029C),
(0x0300, 0x0307),
(0x030A, 0x030B),
(0x030E, 0x030F),
(0x0400, 0x0414),
(0x0420, 0x0434),
(0x0440, 0x0454),
(0x0460, 0x0474),
(0x0480, 0x0494),
(0x04A0, 0x04B4),
(0x04C0, 0x04D4),
(0x04E0, 0x04F4),
(0x0800, 0x0811),
(0x0820, 0x0831),
(0x0840, 0x0851),
(0x0860, 0x0871),
(0x0880, 0x0891),
(0x08A0, 0x08B1),
(0x08C0, 0x08D1),
(0x08E0, 0x08F1),
(0x0900, 0x0911),
(0x0920, 0x0931),
(0x0940, 0x0951),
(0x0960, 0x0971),
(0x0980, 0x0991),
(0x09A0, 0x09B1),
(0x0C00, 0x0C17),
(0x0D00, 0x0D05),
(0x0D10, 0x0D1D),
(0x0D20, 0x0D2D),
(0x0D30, 0x0D3C),
(0x0D40, 0x0D40),
(0x0E00, 0x0E3A),
(0x0F00, 0x0F15),
(0x1000, 0x102B),
(0x1080, 0x1083),
(0x10C0, 0x10DC),
(0x1100, 0x1135),
(0x1200, 0x1217),
(0x1220, 0x1237),
(0x1240, 0x1257),
(0x1260, 0x1277),
(0x1280, 0x1297),
(0x12A0, 0x12B7),
(0x1400, 0x142B),
(0x1480, 0x1483),
(0x14C0, 0x14C9),
(0x14CE, 0x14D0),
(0x14D2, 0x14D4),
(0x14D6, 0x14D8),
(0x14DA, 0x14DC),
(0x1500, 0x1523),
(0x1600, 0x1617),
(0x1620, 0x1637),
(0x1640, 0x1657),
(0x1660, 0x1677),
(0x1680, 0x1697),
(0x16A0, 0x16B7),
(0x2000, 0x2019),
(0x2100, 0x2107),
(0x2200, 0x2203),
(0x2205, 0x2207),
(0x2800, 0x281E),
(0x2840, 0x285E),
(0x2900, 0x2906),
(0x2A00, 0x2A1A),
(0x2C00, 0x2C07),
(0x2D00, 0x2D02),
(0x2D08, 0x2D0A),
(0x2E00, 0x2E03),
(0x2E10, 0x2E1E),
(0x3000, 0x3023),
(0x3100, 0x310E),
(0x3200, 0x320E),
(0x3A00, 0x3A3B),
]
def regmap_size():
s = 0
for (start, stop) in REGMAP:
s += stop-start+1
return s
KNOWN_DEVICES = ["ad9545","ad9546"]
def progress_bar (progress, width=100):
""" displays progress bar,
progress: current progress [%],
width: `pixel` width
"""
bar = "["
bar += "\x1b[0;32m" # green
r = 100 // width
for i in range (width):
if progress >= i * r:
bar += "█"
else:
bar += " "
bar += "\x1b[0m" # stop
bar += "] {}%".format(progress)
sys.stdout.write('\r' + bar)
sys.stdout.flush()
def main (argv):
parser = argparse.ArgumentParser(description="Load /dump a regmap into AD9546 chipset")
parser.add_argument(
"bus",
metavar="bus",
type=int,
default=0,
help="I2C bus #")
parser.add_argument(
"address",
metavar="address",
type=str,
help="I2C slave address (hex format)")
parser.add_argument(
"--load",
metavar="filepath",
type=str,
help="Load given regmap")
parser.add_argument(
"--dump",
metavar="filepath",
type=str,
help="Dump current regmap")
parser.add_argument(
"--chip",
metavar="{}".format(str(KNOWN_DEVICES)),
type=str,
choices=KNOWN_DEVICES,
default=KNOWN_DEVICES[0],
help="Accurately describe the chip when --dumping a regmap"
)
parser.add_argument(
"--quiet",
default=False,
action="store_true",
help="Disable progress bar",
)
args = parser.parse_args(argv)
# open device
dev = AD9546(int(args.bus), int(args.address, 16))
progress = 0
update_perc = 5
if args.load:
with open(args.load, encoding="utf-8-sig") as f:
data = json.load(f)
regmap = data["RegisterMap"]
size = regmap_size()
for addr in regmap:
value = int(regmap[addr], 16) & 0xFF # 1 byte from hex()
# 2 address bytes
_addr = int(addr, 16)
dev.write_data(_addr, value)
if not args.quiet:
progress += 100 / size
if int(progress) % update_perc:
progress_bar(int(progress),width=50)
dev.io_update()
if args.dump:
# create a json struct
struct = {}
struct[args.chip] = {}
struct[args.chip]["_gui_version"] = "1.0.0.0"
struct[args.chip]["_die_version"] = "4198933" # ??
struct[args.chip]["notes"] = {}
struct[args.chip]["bitfields"] = {}
struct[args.chip]["read only"] = {}
struct[args.chip]["wizard"] = {}
struct["wizard"] = {}
struct["wizard"]["version"] = "1.0.0.0"
struct["RegisterMap"] = {}
size = regmap_size()
for (start, stop) in REGMAP:
for i in range (start, stop+1):
data = dev.read_data(i) # reads 1 byte
struct["RegisterMap"]["0x{:04X}".format(i)] = "0x{:02X}".format(data)
if not args.quiet:
progress += 100 / size
if int(progress) % update_perc:
progress_bar(int(progress),width=50)
struct = json.dumps(struct, sort_keys=True, indent=4)
with open(args.dump, "w") as fd:
fd.write(struct)
if __name__ == "__main__":
main(sys.argv[1:])