mirror of
https://github.com/tillitis/tillitis-key1.git
synced 2024-12-14 10:24:27 -05:00
101 lines
3.3 KiB
Python
101 lines
3.3 KiB
Python
|
#!/usr/bin/env python3
|
||
|
|
import hid_test
|
||
|
|
|
||
|
|
def import_pins(pin_filename):
|
||
|
|
pins = {}
|
||
|
|
with open(pin_filename + '.csv','r') as f:
|
||
|
|
for line in f.readlines():
|
||
|
|
[gpio,name] = line.strip().split(',')
|
||
|
|
pins[name] = int(gpio)
|
||
|
|
return pins
|
||
|
|
|
||
|
|
def read_pin_states(pins):
|
||
|
|
d = hid_test.ice40_flasher()
|
||
|
|
|
||
|
|
# Set all pins as inputs, pull-down
|
||
|
|
for [name,gpio] in pins.items():
|
||
|
|
d.gpio_set_direction(gpio,False)
|
||
|
|
d.gpio_set_pulls(gpio,False,True)
|
||
|
|
|
||
|
|
# One by one, set each pin as an output, read the states of all pins, then set the pin as an input again.
|
||
|
|
changes = {}
|
||
|
|
for [name,gpio] in pins.items():
|
||
|
|
pre = d.gpio_get_all()
|
||
|
|
d.gpio_set_direction(gpio,True)
|
||
|
|
d.gpio_put(gpio,True)
|
||
|
|
mid = d.gpio_get_all()
|
||
|
|
|
||
|
|
d.gpio_set_direction(gpio,False)
|
||
|
|
post = d.gpio_get_all()
|
||
|
|
|
||
|
|
if (pre != 0) or (post != 0):
|
||
|
|
print('Error in pre/post condition, pin:{:} pre:{:08x} post:{:08x}'.format(name,pre,post))
|
||
|
|
|
||
|
|
change = []
|
||
|
|
for [n,g] in pins.items():
|
||
|
|
if (1<<g) & mid:
|
||
|
|
change.append(n)
|
||
|
|
|
||
|
|
changes[name] = change
|
||
|
|
|
||
|
|
# Set all pins as inputs with no pulls
|
||
|
|
for [name,gpio] in pins.items():
|
||
|
|
d.gpio_set_direction(gpio,False)
|
||
|
|
d.gpio_set_pulls(gpio,False,False)
|
||
|
|
|
||
|
|
return changes
|
||
|
|
|
||
|
|
def read_pin_changes(pin_filename):
|
||
|
|
changes_good = {}
|
||
|
|
with open(pin_filename + '-good.csv','r') as f:
|
||
|
|
for line in f.readlines():
|
||
|
|
[name,change] = line.strip().split(',')
|
||
|
|
|
||
|
|
# Handle empty change lists
|
||
|
|
if change == '':
|
||
|
|
changes_good[name] = []
|
||
|
|
else:
|
||
|
|
changes_good[name] = change.split(' ')
|
||
|
|
return changes_good
|
||
|
|
|
||
|
|
def save_pin_changes(pin_filename, changes):
|
||
|
|
with open(pin_filename + '-good.csv','w') as f:
|
||
|
|
for [pin, change] in changes.items():
|
||
|
|
f.write('{:},{:}\n'.format(pin, ' '.join([i for i in change])))
|
||
|
|
|
||
|
|
def check_changes(changes, changes_good):
|
||
|
|
issues = []
|
||
|
|
for [pin, change] in changes.items():
|
||
|
|
if change != changes_good[pin]:
|
||
|
|
issue = 'error:' + pin
|
||
|
|
#issue += ' got:[' + ','.join([i for i in change]) + ']'
|
||
|
|
#issue += ' expected:[' + ','.join([i for i in changes_good[pin]]) + ']'
|
||
|
|
issue += ' missing:[' + ','.join([x for x in changes_good[pin] if x not in change]) + ']'
|
||
|
|
issue += ' extra:[' + ','.join([x for x in change if x not in changes_good[pin]]) + ']'
|
||
|
|
issues.append(issue)
|
||
|
|
return issues
|
||
|
|
|
||
|
|
def record(pin_filename):
|
||
|
|
pins = import_pins(pin_filename)
|
||
|
|
changes = read_pin_states(pins)
|
||
|
|
save_pin_changes(pin_filename, changes)
|
||
|
|
|
||
|
|
def test(pin_filename):
|
||
|
|
pins = import_pins(pin_filename)
|
||
|
|
changes_good = read_pin_changes(pin_filename)
|
||
|
|
changes = read_pin_states(pins)
|
||
|
|
return check_changes(changes, changes_good)
|
||
|
|
|
||
|
|
if __name__ == '__main__':
|
||
|
|
import argparse
|
||
|
|
parser = argparse.ArgumentParser(description='GPIO short connector test')
|
||
|
|
parser.add_argument('-pins', required=True, help='CSV file of pins to test')
|
||
|
|
parser.add_argument('-r', '--record', action='store_true', help='Set to record a known good board')
|
||
|
|
|
||
|
|
args = parser.parse_args()
|
||
|
|
|
||
|
|
if args.record:
|
||
|
|
record(args.pins)
|
||
|
|
else:
|
||
|
|
print('\n'.join(test(args.pins)))
|