Skip to content

ESP Efuse : Get selected efuse value as JSON object #436

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 3 commits into from
Jul 11, 2019
Merged

ESP Efuse : Get selected efuse value as JSON object #436

Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
9883720
ESP Efuse : Get selected efuse value as JSON object
sbertrand-witekio Jun 11, 2019
a42a61c
Add json format and export to file for efuse summary
sbertrand-witekio Jun 26, 2019
f99f346
espefuse : summary - fix coding style
sbertrand-witekio Jul 3, 2019
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
67 changes: 46 additions & 21 deletions espefuse.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -25,6 +25,8 @@

import esptool

import json

# Table of efuse values - (category, block, word in block, mask, write disable bit, read disable bit, type, description)
# Match values in efuse_reg.h & Efuse technical reference chapter
EFUSES = [
Expand Down Expand Up @@ -496,10 +498,16 @@ def dump(esp, _efuses, args):
def summary(esp, efuses, args):
""" Print a human-readable summary of efuse contents """
ROW_FORMAT = "%-22s %-50s%s= %s %s %s"
print(ROW_FORMAT.replace("-50", "-12") % ("EFUSE_NAME", "Description", "", "[Meaningful Value]", "[Readable/Writeable]", "(Hex Value)"))
print("-" * 88)
human_output = (args.format == 'summary')
json_efuse = {}
if args.file != sys.stdout:
print("Saving efuse values to " + args.file.name)
if human_output:
print(ROW_FORMAT.replace("-50", "-12") % ("EFUSE_NAME", "Description", "", "[Meaningful Value]", "[Readable/Writeable]", "(Hex Value)"),file=args.file)
print("-" * 88,file=args.file)
for category in set(e.category for e in efuses):
print("%s fuses:" % category.title())
if human_output:
print("%s fuses:" % category.title(),file=args.file)
for e in (e for e in efuses if e.category == category):
raw = e.get_raw()
try:
Expand All @@ -515,25 +523,40 @@ def summary(esp, efuses, args):
perms = "-/W"
else:
perms = "-/-"
value = str(e.get())
base_value = e.get()
value = str(base_value)
if not readable:
value = value.replace("0", "?")
print(ROW_FORMAT % (e.register_name, e.description, "\n " if len(value) > 20 else "", value, perms, raw))
if human_output:
print(ROW_FORMAT % (e.register_name, e.description, "\n " if len(value) > 20 else "", value, perms, raw),file=args.file)
if args.format == 'json':
json_efuse[e.register_name] = {
'value': base_value if readable else value,
'readable':readable,
'writeable':writeable}
if human_output:
print("",file=args.file)
if human_output:
sdio_force = efuses["XPD_SDIO_FORCE"]
sdio_tieh = efuses["XPD_SDIO_TIEH"]
sdio_reg = efuses["XPD_SDIO_REG"]
if sdio_force.get() == 0:
print("Flash voltage (VDD_SDIO) determined by GPIO12 on reset (High for 1.8V, Low/NC for 3.3V).",file=args.file)
elif sdio_reg.get() == 0:
print("Flash voltage (VDD_SDIO) internal regulator disabled by efuse.",file=args.file)
elif sdio_tieh.get() == 0:
print("Flash voltage (VDD_SDIO) set to 1.8V by efuse.",file=args.file)
else:
print("Flash voltage (VDD_SDIO) set to 3.3V by efuse.",file=args.file)
warnings = efuses.get_coding_scheme_warnings()
if warnings:
print("WARNING: Coding scheme has encoding bit error warnings (0x%x)" % warnings,file=args.file)
if args.file != sys.stdout:
args.file.close()
print("Done")
if args.format == 'json':
json.dump(json_efuse,args.file,sort_keys=True,indent=4)
print("")
sdio_force = efuses["XPD_SDIO_FORCE"]
sdio_tieh = efuses["XPD_SDIO_TIEH"]
sdio_reg = efuses["XPD_SDIO_REG"]
if sdio_force.get() == 0:
print("Flash voltage (VDD_SDIO) determined by GPIO12 on reset (High for 1.8V, Low/NC for 3.3V).")
elif sdio_reg.get() == 0:
print("Flash voltage (VDD_SDIO) internal regulator disabled by efuse.")
elif sdio_tieh.get() == 0:
print("Flash voltage (VDD_SDIO) set to 1.8V by efuse.")
else:
print("Flash voltage (VDD_SDIO) set to 3.3V by efuse.")
warnings = efuses.get_coding_scheme_warnings()
if warnings:
print("WARNING: Coding scheme has encoding bit error warnings (0x%x)" % warnings)


def burn_efuse(esp, efuses, args):
Expand Down Expand Up @@ -836,8 +859,10 @@ def add_force_write_always(p):
help='Run espefuse.py {command} -h for additional help')

subparsers.add_parser('dump', help='Dump raw hex values of all efuses')
subparsers.add_parser('summary',
help='Print human-readable summary of efuse values')
p = subparsers.add_parser('summary',
help='Print human-readable summary of efuse values')
p.add_argument('--format', help='Select the summary format',choices=['summary','json'],default='summary')
p.add_argument('--file', help='File to save the efuse summary',type=argparse.FileType('w'),default=sys.stdout)

p = subparsers.add_parser('burn_efuse',
help='Burn the efuse with the specified name')
Expand Down