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add a helper script to decode SPI flash JEDEC data

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Signed-off-by: ANTodorov <ANTodorov@users.noreply.github.com>
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ANTodorov 2024-10-02 19:29:44 +03:00
parent c083d319ec
commit f0862c9ee2
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client/pyscripts/spi_flash_decode.py Normal file
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#!/usr/bin/env python3
import re
import pm3
# optional color support
try:
# pip install ansicolors
from colors import color
except ModuleNotFoundError:
def color(s, fg=None):
_ = fg
return str(s)
spi = {
0x85:{
"manufacturer": "Puya",
0x60: {
0x15: {
"part": "P25Q16H",
"size": "16mbits",
"sizeB": "2MB",
},
},
},
0xEF:{
"manufacturer": "Winbond",
0x30: {
0x11: {
"part": "W25X10BV",
"size": "1mbits",
"sizeB": "128KB",
},
0x12: {
"part": "W25X20BV",
"size": "2mbits",
"sizeB": "256KB",
},
0x13: {
"part": "W25X40BV",
"size": "4mbits",
"sizeB": "512KB",
},
},
0x70: {
0x22: {
"part": "W25Q02JV-IM",
"size": "2mbits",
"sizeB": "256KB",
},
},
},
}
p = pm3.pm3()
p.console("hw status")
rex = re.compile("...\s([0-9a-fA-F]{2})\s/\s([0-9a-fA-F]{4})")
for line in p.grabbed_output.split('\n'):
# [#] JEDEC Mfr ID / Dev ID... 85 / 6015
if " JEDEC " not in line:
continue
match = re.findall(rex, line)
mid = int(match[0][0], 16)
did = int(match[0][1], 16)
did_h = did >> 8
did_l = did & 0xff
t = None
if mid in spi:
mfr = spi[mid]['manufacturer']
if did_h in spi[mid]:
if did_l in spi[mid][did_h]:
t = spi[mid][did_h][did_l]
print("\n Manufacturer... " + color(f"{mfr}", fg="green") +
"\n Device......... " + color(f"{t['part']}", fg="green") +
"\n Size........... " + color(f"{t['size']} ({t['sizeB']})", fg="yellow")
)
else:
print("\n Manufacturer... " + color(f"{mfr}", fg="green") +
"\n Device ID...... " + color(f"{did:04X}h (unknown)", fg="red"))
else:
print("\n Manufacturer... " + color(f"{mfr}", fg="green") +
"\n Device ID...... " + color(f"{did:04X}h (unknown)", fg="red"))
else:
print("\n Manufacturer... " + color(f"{mid:02X}h (unknown)", fg="red") +
"\n Device ID...... " + color(f"{did:04X}h (unknown)", fg="red"))