This commit is contained in:
Matt Mets 2023-03-08 13:36:02 +01:00 committed by Michael Cardell Widerkrantz
parent 12f6575afd
commit 2cd7c9f8e3
No known key found for this signature in database
GPG Key ID: D3DB3DDF57E704E5
6 changed files with 170 additions and 160 deletions

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@ -6,7 +6,6 @@ PYTHON_FILES = \
production_tests.py \
pybin2nvcm.py \
pynvcm.py \
random_production_test.py \
reset.py \
usb_test.py
@ -17,7 +16,7 @@ PYTHON_FILES = \
lint:
autopep8 --in-place --max-line-length 70 --aggressive --aggressive ${PYTHON_FILES}
mypy --disallow-untyped-defs ${PYTHON_FILES}
pylint --generated-member=usb1.TRANSFER_COMPLETED,usb1.USBErrorInterrupted,usb1.USBErrorIO ${PYTHON_FILES}
pylint --generated-member=usb1.TRANSFER_COMPLETED,usb1.USBErrorInterrupted,usb1.USBErrorIO --max-line-length 70 ${PYTHON_FILES}
# Check that the NVCM generator gives a correct output for a known binary
verify-pybin2nvcm:

Binary file not shown.

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@ -2,7 +2,7 @@
from typing import Any
import production_tests
pass_msg = '''
PASS_MSG = '''
_____ _____ _____
| __ \\ /\\ / ____| / ____|
| |__) | / \\ | (___ | (___
@ -11,7 +11,7 @@ pass_msg = '''
|_| /_/ \\_\\ |_____/ |_____/
'''
fail_msg = '''
FAIL_MSG = '''
______ _____ _
| ____| /\\ |_ _| | |
| |__ / \\ | | | |
@ -44,6 +44,16 @@ ANSI = {
def run_tests(test_list: list[Any]) -> bool:
""" Run a test list
This executes the tests from the given list in order. The test
sequence is stopped if a test raises an assertion, or returns
False. If all tests return True successfully, then the test
sequence is considered to have passed.
Keyword parameters:
test_list -- List of test functions to call
"""
try:
for test in test_list:
print("\n{:}Test step: {:}{:} ({:})".format(
@ -66,12 +76,8 @@ def run_tests(test_list: list[Any]) -> bool:
return True
if __name__ == '__main__':
last_a = '1'
# Allow any of the settings in the parameters structure to be
# overridden
import argparse
def production_test_runner() -> None:
"""Interactive production test environment"""
parser = argparse.ArgumentParser()
parser.add_argument(
'-l',
@ -100,7 +106,7 @@ if __name__ == '__main__':
[test.__name__ for test in test_list])))
for test in production_tests.manual_tests:
print('{:}: {:}'.format(test.__name__, test.__doc__))
exit(0)
sys.exit(0)
if args.run_test is not None:
result = False
@ -118,17 +124,17 @@ if __name__ == '__main__':
break
if not found:
print('Test not found:{:}'.format(args.run_test))
exit(1)
raise ValueError('Test not found:{args.run_test}')
if not result:
production_tests.reset()
exit(1)
sys.exit(1)
exit(0)
sys.exit(0)
print('\n\nProduction test system')
last_a = '1'
while True:
print('\n\n')
@ -161,17 +167,24 @@ if __name__ == '__main__':
try:
test_sequence = options[int(a) - 1]
except IndexError as e:
except IndexError:
print('Invalid input')
continue
except ValueError as e:
except ValueError:
print('Invalid input')
continue
if not run_tests(test_sequence):
print(ANSI['bg_red'] + fail_msg + ANSI['reset'])
print(ANSI['bg_red'] + FAIL_MSG + ANSI['reset'])
production_tests.reset()
else:
print(ANSI['bg_green'] + pass_msg + ANSI['reset'])
print(ANSI['bg_green'] + PASS_MSG + ANSI['reset'])
last_a = a
if __name__ == '__main__':
import argparse
import sys
production_test_runner()

View File

@ -54,7 +54,7 @@ parameters = {
'pico_bootloader_target_dir': '/media/lab/RPI-RP2/'
}
tp1_pins = {
TP1_PINS = {
'5v_en': 7,
'tx': 8,
'rx': 9,
@ -75,9 +75,9 @@ tp1_pins = {
def enable_power() -> bool:
"""Enable power to the TK-1"""
d = IceFlasher()
d.gpio_set_direction(tp1_pins['5v_en'], True)
d.gpio_put(tp1_pins['5v_en'], True)
flasher = IceFlasher()
flasher.gpio_set_direction(TP1_PINS['5v_en'], True)
flasher.gpio_put(TP1_PINS['5v_en'], True)
time.sleep(0.3)
return True
@ -86,9 +86,9 @@ def enable_power() -> bool:
def disable_power() -> bool:
"""Disable power to the TK-1"""
time.sleep(.1)
d = IceFlasher()
d.gpio_set_direction(tp1_pins['5v_en'], True)
d.gpio_put(tp1_pins['5v_en'], False)
flasher = IceFlasher()
flasher.gpio_set_direction(TP1_PINS['5v_en'], True)
flasher.gpio_put(TP1_PINS['5v_en'], False)
return True
@ -102,7 +102,7 @@ def measure_voltages(device: IceFlasher,
sample_count -- number of samples to average
"""
adc_vals = [0.0, 0.0, 0.0]
for i in range(0, sample_count):
for _ in range(0, sample_count):
adc_vals = [
total + sample for total,
sample in zip(
@ -119,18 +119,16 @@ def voltage_test() -> bool:
enable_power()
d = IceFlasher()
vals = measure_voltages(d, 20)
d.close()
flasher = IceFlasher()
vals = measure_voltages(flasher, 20)
flasher.close()
disable_power()
print(
'voltages:',
', '.join(
'{:}V:{:.3f}'.format(
val[0],
val[1]) for val in vals.items()))
f'{val[0]}V:{val[1]:.3f}' for val in vals.items()))
if (
(abs(vals['1.2'] - 1.2) > .2)
| (abs(vals['2.5'] - 2.5) > .2)
@ -142,12 +140,13 @@ def voltage_test() -> bool:
def flash_validate_id() -> bool:
"""Read the ID from TK-1 SPI flash, and verify that it matches the expected value"""
"""Read the ID from TK-1 SPI flash, and compare to known values"""
result = run([
parameters['iceprog'],
'-t'
],
capture_output=True)
capture_output=True,
check=True)
disable_power()
err = result.stderr.split(b'\n')
@ -167,7 +166,7 @@ def flash_validate_id() -> bool:
if flash_type is None:
print('Flash ID invalid')
return False
print('Detected flash type: {:}'.format(flash_type))
print(f'Detected flash type: {flash_type}')
return True
return result.returncode == 0
@ -178,7 +177,8 @@ def flash_program() -> bool:
result = run([
parameters['iceprog'],
parameters['app_gateware']
])
],
check=True)
disable_power()
print(result)
@ -191,7 +191,8 @@ def flash_check() -> bool:
parameters['iceprog'],
'-c',
parameters['app_gateware']
])
],
check=True)
disable_power()
print(result)
@ -199,12 +200,12 @@ def flash_check() -> bool:
def test_extra_io() -> bool:
"""Test the TK-1 RTS, CTS, and GPIO1-4 lines by measuring a test pattern generated by the app_test gateware"""
"""Test the TK-1 RTS, CTS, and GPIO1-4 lines"""
d = IceFlasher()
for pin in tp1_pins.values():
d.gpio_set_direction(pin, False)
d.close()
flasher = IceFlasher()
for pin in TP1_PINS.values():
flasher.gpio_set_direction(pin, False)
flasher.close()
disable_power()
time.sleep(1)
@ -212,24 +213,24 @@ def test_extra_io() -> bool:
time.sleep(0.2)
d = IceFlasher()
d.gpio_put(tp1_pins['rts'], False)
d.gpio_set_direction(tp1_pins['rts'], True)
flasher = IceFlasher()
flasher.gpio_put(TP1_PINS['rts'], False)
flasher.gpio_set_direction(TP1_PINS['rts'], True)
expected_results = [1 << (i % 5) for i in range(9, -1, -1)]
results = []
for i in range(0, 10):
vals = d.gpio_get_all()
for _ in range(0, 10):
vals = flasher.gpio_get_all()
pattern = (vals >> 17) & 0b11111
# print(f'{vals:016x} {pattern:04x}')
results.append(pattern)
d.gpio_put(tp1_pins['rts'], True)
d.gpio_put(tp1_pins['rts'], False)
flasher.gpio_put(TP1_PINS['rts'], True)
flasher.gpio_put(TP1_PINS['rts'], False)
d.gpio_set_direction(tp1_pins['rts'], False)
d.close()
flasher.gpio_set_direction(TP1_PINS['rts'], False)
flasher.close()
disable_power()
@ -269,22 +270,22 @@ def inject_serial_number(
"68de5d27-e223-4874-bc76-a54d6e84068f")
replacement = encode_usb_strings.string_to_descriptor(serial_num)
f = bytearray(open(infile, 'rb').read())
with open(infile, 'rb') as fin:
firmware_data = bytearray(fin.read())
pos = f.find(magic)
pos = firmware_data.find(magic)
if pos < 0:
print('failed to find magic string')
exit(1)
raise ValueError('failed to find magic string')
f[pos:(pos + len(magic))] = replacement
firmware_data[pos:(pos + len(magic))] = replacement
with open(outfile, 'wb') as of:
of.write(f)
with open(outfile, 'wb') as fout:
fout.write(firmware_data)
def flash_ch552(serial_num: str) -> bool:
"""Flash an attached CH552 device with the USB CDC firmware, injected with the given serial number"""
"""Flash an attached CH552 device with the USB CDC firmware"""
print(serial_num)
inject_serial_number(
@ -296,7 +297,8 @@ def flash_ch552(serial_num: str) -> bool:
result = run([
parameters['chprog'],
parameters['ch552_firmware_injected']
])
],
check=True)
print(result)
return result.returncode == 0
@ -308,7 +310,8 @@ def erase_ch552() -> bool:
result = run([
parameters['chprog'],
parameters['ch552_firmware_blank']
])
],
check=True)
print(result)
return result.returncode == 0
@ -330,7 +333,7 @@ def find_serial_device(desc: dict[str, Any]) -> str:
def find_ch552(serial_num: str) -> bool:
"""Search all serial devices for one that has the correct description and serial number"""
"""Search for a serial device that has the correct description"""
time.sleep(1)
description = {
@ -350,18 +353,18 @@ def find_ch552(serial_num: str) -> bool:
def ch552_program() -> bool:
"""Load the CDC ACM firmware onto a CH552 with a randomly generated serial number, and verify that it boots correctly"""
"""Load the firmware onto a CH552, and verify that it boots"""
if not test_found_bootloader():
print('Error finding CH552!')
return False
serial = str(uuid.uuid4())
serial_num = str(uuid.uuid4())
if not flash_ch552(serial):
if not flash_ch552(serial_num):
print('Error flashing CH552!')
return False
if not find_ch552(serial):
if not find_ch552(serial_num):
print('Error finding flashed CH552!')
return False
@ -382,7 +385,7 @@ def ch552_erase() -> bool:
def test_txrx_touchpad() -> bool:
"""Test UART communication, RGB LED, and touchpad by asking the operator to interact with the touch pad"""
"""Test UART communication, RGB LED, and touchpad"""
description = {
'vid': 0x1207,
'pid': 0x8887,
@ -390,36 +393,33 @@ def test_txrx_touchpad() -> bool:
'product': 'MTA1-USB-V1'
}
s = serial.Serial(
dev = serial.Serial(
find_serial_device(description),
9600,
timeout=.2)
if not s.isOpen():
if not dev.isOpen():
print('couldn\'t find/open serial device')
return False
for _ in range(0, 5):
# Attempt to clear any buffered data from the serial port
s.write(b'0123')
dev.write(b'0123')
time.sleep(0.2)
s.read(20)
dev.read(20)
try:
s.write(b'0')
[count, touch_count] = s.read(2)
dev.write(b'0')
[count, touch_count] = dev.read(2)
print(
'read count:{:}, touch count:{:}'.format(
count, touch_count))
f'read count:{count}, touch count:{touch_count}')
input(
'\n\n\nPress touch pad once and check LED, then press Enter')
s.write(b'0')
[count_post, touch_count_post] = s.read(2)
dev.write(b'0')
[count_post, touch_count_post] = dev.read(2)
print(
'read count:{:}, touch count:{:}'.format(
count_post,
touch_count_post))
'read count:{count_post}, touch count:{touch_count_post}')
if (count_post -
count != 1) or (touch_count_post -
@ -428,8 +428,8 @@ def test_txrx_touchpad() -> bool:
continue
return True
except ValueError as e:
print(e)
except ValueError as error:
print(error)
continue
print('Max retries exceeded, failure!')
@ -450,9 +450,6 @@ def program_pico() -> bool:
parameters['pico_bootloader_target_dir'] +
firmware_filename)
# TODO: Test if the pico identifies as a USB-HID device
# after programming
return True
except FileNotFoundError:
time.sleep(0.1)
@ -514,64 +511,45 @@ def reset() -> None:
"""Attempt to reset the board after test failure"""
try:
disable_power()
except AttributeError as e:
except AttributeError:
pass
except OSError as e:
except OSError:
pass
except ValueError as e:
except ValueError:
pass
if __name__ == "__main__":
# Runs the non-interactive production tests continuously in a
# random order, to look for interaction bugs
def random_test_runner() -> None:
""""Run the non-interactive production tests in a random order
This routine is intended to be used for finding edge-cases with
the production tests. It runs the non-interactive tests (as well
as some nondestructive tests from the nvcm module) in a random
order, and runs continuously.
"""
import random
import pynvcm
def nvcm_read_info() -> bool:
tp1_pins = {
'5v_en': 7,
'sck': 10,
'mosi': 11,
'ss': 12,
'miso': 13,
'crst': 14,
'cdne': 15
}
pynvcm.sleep_flash(tp1_pins, 15)
nvcm = pynvcm.Nvcm(tp1_pins, 15)
"""Check that the nvcm read info command runs"""
pynvcm.sleep_flash(TP1_PINS, 15)
nvcm = pynvcm.Nvcm(TP1_PINS, 15)
nvcm.power_on()
nvcm.init()
nvcm.nvcm_enable()
nvcm.info()
nvcm.power_off()
return True
def nvcm_verify_blank() -> bool:
tp1_pins = {
'5v_en': 7,
'sck': 10,
'mosi': 11,
'ss': 12,
'miso': 13,
'crst': 14,
'cdne': 15
}
pynvcm.sleep_flash(tp1_pins, 15)
nvcm = pynvcm.Nvcm(tp1_pins, 15)
"""Verify that the NVCM memory is blank"""
pynvcm.sleep_flash(TP1_PINS, 15)
nvcm = pynvcm.Nvcm(TP1_PINS, 15)
nvcm.power_on()
nvcm.init()
nvcm.nvcm_enable()
nvcm.trim_blank_check()
nvcm.power_off()
return True
tests = [
nvcm_read_info,
nvcm_verify_blank,
@ -583,11 +561,21 @@ if __name__ == "__main__":
enable_power,
disable_power
]
parameters['iceprog'] = '/home/matt/repos/tillitis--icestorm/iceprog/iceprog'
pass_count = 0
while True:
i = random.randint(0, (len(tests) - 1))
print(f'\n\n{i} running: {tests[i].__name__}')
print(f'\n\n{pass_count}: running: {tests[i].__name__}')
if not tests[i]():
raise Exception('oops')
sys.exit(1)
pass_count += 1
if __name__ == "__main__":
import random
import pynvcm
import sys
random_test_runner()

View File

@ -34,6 +34,13 @@ def assert_bytes_equal(
name: str,
expected: bytes,
val: bytes) -> None:
""" Check if two bytes objects are equal
Keyword arguments:
name -- Description to print if the assertion fails
expected -- Expected value
val -- Value to check
"""
if expected != val:
expected_str = ' '.join([f'{x:02x}' for x in expected])
val_str = ' '.join([f'{x:02x}' for x in val])
@ -103,40 +110,40 @@ class Nvcm():
"""Disable power to the DUT"""
self.flasher.gpio_put(self.pins['5v_en'], False)
def enable(self, cs: bool, reset: bool = True) -> None:
def enable(self, chip_select: bool, reset: bool = True) -> None:
"""Set the CS and Reset pin states"""
self.flasher.gpio_put(self.pins['ss'], cs)
self.flasher.gpio_put(self.pins['ss'], chip_select)
self.flasher.gpio_put(self.pins['crst'], reset)
def writehex(self, s: str, toggle_cs: bool = True) -> None:
def writehex(self, hex_data: str, toggle_cs: bool = True) -> None:
"""Write SPI data to the target device
Keyword arguments:
s -- data to send (formatted as a string of hex data)
hex_data -- data to send (formatted as a string of hex data)
toggle_cs -- If true, automatically lower the CS pin before
transmit, and raise it after transmit
"""
if self.debug and not s == "0500":
print("TX", s)
data = bytes.fromhex(s)
if self.debug and not hex_data == "0500":
print("TX", hex_data)
data = bytes.fromhex(hex_data)
self.flasher.spi_write(data, toggle_cs)
def sendhex(self, s: str) -> bytes:
def sendhex(self, hex_data: str) -> bytes:
"""Perform a full-duplex write/read on the target device
Keyword arguments:
s -- data to send (formatted as a string of hex data)
"""
if self.debug and not s == "0500":
print("TX", s)
x = bytes.fromhex(s)
if self.debug and not hex_data == "0500":
print("TX", hex_data)
bytes_data = bytes.fromhex(hex_data)
b = self.flasher.spi_rxtx(x)
ret = self.flasher.spi_rxtx(bytes_data)
if self.debug and not s == "0500":
print("RX", b.hex())
return b
if self.debug and not hex_data == "0500":
print("RX", ret.hex())
return ret
def delay(self, count: int) -> None:
"""'Delay' by sending clocks with CS de-asserted
@ -151,16 +158,16 @@ class Nvcm():
"""Reboot the part and enter SPI command mode"""
if self.debug:
print("init")
self.enable(cs=True, reset=True)
self.enable(cs=True, reset=False)
self.enable(cs=False, reset=False)
self.enable(cs=False, reset=True)
self.enable(True, True)
self.enable(True, False)
self.enable(False, False)
self.enable(False, True)
sleep(0.1)
self.enable(cs=True, reset=True)
self.enable(True, True)
def status_wait(self) -> None:
"""Wait for the status register to clear"""
for i in range(0, 1000):
for _ in range(0, 1000):
self.delay(1250)
ret = self.sendhex("0500")
status = struct.unpack('>H', ret)[0]
@ -206,7 +213,7 @@ class Nvcm():
"""
msg = ''
msg += ("%02x%06x" % (cmd, address))
msg += (f"{cmd:02x}{address:06x}")
msg += ("00" * 9) # dummy bytes
msg += ("00" * length) # read
ret = self.sendhex(msg)
@ -237,14 +244,14 @@ class Nvcm():
address -- NVCM memory address to write to
length -- Number of bytes to write
"""
self.writehex("%02x%06x" % (cmd, address) + data)
self.writehex(f"{cmd:02x}{address:06x}" + data)
try:
self.status_wait()
except Exception as exc:
raise Exception(
"WRITE FAILED: cmd=%02x address=%06x data=%s" %
(cmd, address, data)) from exc
raise IOError(
f"WRITE FAILED: cmd={cmd:02x} address={address:%06x} data={data}"
) from exc
self.delay(2)
@ -371,7 +378,7 @@ class Nvcm():
try:
self.command(row)
except Exception as exc:
raise Exception(
raise IOError(
"programming failed, row:{row}"
) from exc
@ -503,8 +510,8 @@ class Nvcm():
self.bank_select('nvcm')
contents = bytearray()
# contents = bytearray()
#
# for offset in range(0, length, 8):
# if offset % (1024 * 8) == 0:
# print("%6d / %6d bytes" % (offset, length))
@ -761,6 +768,6 @@ if __name__ == "__main__":
if args.do_boot:
# hold reset low for half a second
nvcm.enable(cs=True, reset=False)
nvcm.enable(True, False)
sleep(0.5)
nvcm.enable(cs=True, reset=True)
nvcm.enable(True, True)

View File

@ -60,14 +60,17 @@ class IceFlasher:
bcd_device = self.handle.getDevice().getbcdDevice()
if bcd_device != 0x0200:
raise ValueError(
'Pico firmware version out of date- please upgrade it!')
'Pico firmware version out of date- please upgrade')
self.handle.claimInterface(0)
self.cs_pin = -1
def __del__(self) -> None:
self.close()
def close(self) -> None:
""" Release the USB device handle """
self._wait_async()
if self.handle is not None: