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Lint more python scripts

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Matt Mets 2023-03-02 23:52:52 +01:00 committed by Michael Cardell Widerkrantz
parent 49c3b35a4b
commit d09919d354
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GPG Key ID: D3DB3DDF57E704E5
3 changed files with 70 additions and 50 deletions
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4
hw/production_test/Makefile
View File

@ -3,7 +3,9 @@ SHELL := /bin/bash
PYTHON_FILES = \
usb_test.py \
icenvcm.py \
icebin2nvcm.py
icebin2nvcm.py \
encode_usb_strings.py \
reset.py
lint:
autopep8 --in-place --max-line-length 70 --aggressive --aggressive ${PYTHON_FILES}

102
hw/production_test/encode_usb_strings.py
View File

@ -4,87 +4,101 @@ manufacturer = 'Mullvad'
product = 'MTA1-USB-V1'
serial = "68de5d27-e223-4874-bc76-a54d6e84068f"
def descriptor_to_string(descriptor):
""" Convert a bytes object containing a USB string descriptor into a python string"""
def descriptor_to_string(descriptor: bytes) -> str:
""" Convert a USB string descriptor into a python string
Keyword arguments:
descriptor -- UTF-16 formatted USB descriptor string
"""
bLength = descriptor[0]
if bLength != len(descriptor):
raise Exception('Descriptor length mismatch, length_field:{} actual_length:{}'.format(
bLength,
len(descriptor)
))
raise Exception(
'Length mismatch, length_field:{:} actual_length:{:}'
.format(bLength, len(descriptor)))
bDescriptorType = descriptor[1]
if bDescriptorType != 0x03:
raise Exception('Descriptor type mismatch, bDescriptorType:{02x} expected:0x03'.format(
bDescriptorType
))
raise Exception(
'Type mismatch, bDescriptorType:{:02x} expected:0x03'
.format(bDescriptorType))
return descriptor[2:].decode('utf-16', errors='strict')
def string_to_descriptor(string):
""" Convert a python string into a bytes object containing a USB string descriptor"""
def string_to_descriptor(string: str) -> bytes:
""" Convert a python string into a USB string descriptor
Keyword arguments:
string: String to convert
"""
descriptor = bytearray()
descriptor.append(0x00) # placeholder for length
descriptor.append(0x00) # placeholder for length
descriptor.append(0x03)
descriptor.extend(string.encode('utf-16')[2:]) # crop the BOM
descriptor.extend(string.encode('utf-16')[2:]) # crop the BOM
descriptor[0] = len(descriptor)
return bytes(descriptor)
if __name__ == "__main__":
#serial = bytes([
# serial = bytes([
# 0x14,0x03,
# 0x32,0x00,0x30,0x00,0x31,0x00,0x37,0x00,0x2D,0x00,
# 0x32,0x00,0x2D,0x00,
# 0x32,0x00,0x35,0x00
# ])
#print(descriptor_to_string(serial))
#sample_product = bytes([
# print(descriptor_to_string(serial))
# sample_product = bytes([
# 0x14,0x03,
# 0x43,0x00,0x48,0x00,0x35,0x00,0x35,0x00,0x34,0x00,0x5F,0x00,
# 0x43,0x00,0x44,0x00,0x43,0x00
# ])
#print(descriptor_to_string(sample_product))
#rt = string_to_descriptor(descriptor_to_string(sample_product))
#print(descriptor_to_string(rt))
# print(descriptor_to_string(sample_product))
# rt = string_to_descriptor(descriptor_to_string(sample_product))
# print(descriptor_to_string(rt))
#
#print(['{:02x} '.format(i) for i in sample_product])
#print(['{:02x} '.format(i) for i in rt])
#sample_mfr = bytes([
# print(['{:02x} '.format(i) for i in sample_product])
# print(['{:02x} '.format(i) for i in rt])
# sample_mfr = bytes([
# 0x0A,0x03,
# 0x5F,0x6c,0xCF,0x82,0x81,0x6c,0x52,0x60,
# ])
#print(descriptor_to_string(sample_mfr))
#rt = string_to_descriptor(descriptor_to_string(sample_mfr))
#print(descriptor_to_string(rt))
# print(descriptor_to_string(sample_mfr))
# rt = string_to_descriptor(descriptor_to_string(sample_mfr))
# print(descriptor_to_string(rt))
#
#print(['{:02x} '.format(i) for i in sample_mfr])
#print(['{:02x} '.format(i) for i in rt])
# print(['{:02x} '.format(i) for i in sample_mfr])
# print(['{:02x} '.format(i) for i in rt])
with open('usb_strings.h', 'w') as f:
f.write('#ifndef USB_STRINGS\n')
f.write('#define USB_STRINGS\n')
f.write('unsigned char __code Prod_Des[]={{ // "{}"\n'.format(product))
f.write(
'unsigned char __code Prod_Des[]={{ // "{}"\n'
.format(product))
f.write(' ')
f.write(', '.join(['0x{:02x}'.format(i) for i in string_to_descriptor(product)]))
f.write(', '.join(['0x{:02x}'.format(i)
for i in string_to_descriptor(product)]))
f.write('\n};\n')
f.write('unsigned char __code Manuf_Des[]={{ // "{}"\n'.format(manufacturer))
f.write(
'unsigned char __code Manuf_Des[]={{ // "{}"\n'
.format(manufacturer))
f.write(' ')
f.write(', '.join(['0x{:02x}'.format(i) for i in string_to_descriptor(manufacturer)]))
f.write(', '.join(['0x{:02x}'.format(i)
for i in string_to_descriptor(manufacturer)]))
f.write('\n};\n')
f.write('unsigned char __code SerDes[]={{ // "{}"\n'.format(serial))
f.write(
'unsigned char __code SerDes[]={{ // "{}"\n'
.format(serial))
f.write(' ')
f.write(', '.join(['0x{:02x}'.format(i) for i in string_to_descriptor(serial)]))
f.write(', '.join(['0x{:02x}'.format(i)
for i in string_to_descriptor(serial)]))
f.write('\n};\n')
f.write('#endif\n')

14
hw/production_test/reset.py
View File

@ -1,16 +1,20 @@
#!/usr/bin/env python
import hid_test
import hid_test # type: ignore
import time
def reset_tk1():
"""Manipulate the GPIO lines on the MTA1-USB-CH552 Programmer to issue a
hardware reset to the TK1. The result is that TK1 again will be in firmware
mode, so a new app can be loaded."""
def reset_tk1() -> None:
""" Reset a TK1 contained in a TP1 programmer
Manipulate the GPIO lines on the TP1 to issue a hardware reset
to the TK1. The result is that TK1 again will be in firmware
mode, so a new app can be loaded.
"""
d = hid_test.ice40_flasher()
d.gpio_set_direction(14, True)
d.gpio_put(14, False)
d.gpio_set_direction(14, False)
d.close()
reset_tk1()