def get_test_all_mask(self, test0mask, test1mask):
"""
Возвращает маску замены команды TEST(m0, m1) -> TEST_ALL(mask)
:param test0mask: маска для проверки нулевых битов
:param test1mask: маска для проверки единичных битов
:return: маска для проверки всех пинов или None если не хватило данных для формирования маски
"""
if isinstance(test0mask, (list, tuple)):
test0mask = list_to_mask(test0mask, self.pins)
if isinstance(test1mask, (list, tuple)):
test1mask = list_to_mask(test1mask, self.pins)
result_pins = []
# состояние входов микросхемы должно быть таким, каким мы его установили
for pin in range(self.pins):
expected = None
if (test0mask & (1 << pin)) and (test1mask & (1 << pin)):
print "ERROR: wrong TEST command, pin ", (pin + 1)
sys.exit(1)
if self.ddr[pin] == "o":
expected = self.levels[pin]
if expected == 0 and (test1mask & (1 << pin)):
print "TEST: expected output level 0 but found in mask_1 at pin ", (pin + 1), " for ", self.chip_name
elif expected == 1 and (test0mask & (1 << pin)):
print "TEST: expected output level 1 but found int mask_0 at pin ", (pin + 1), " for ", self.chip_name
if expected is None:
if test0mask & (1 << pin):
expected = 0
elif test1mask & (1 << pin):
expected = 1
else:
self.warning(
"TEST: Can't detect tested level at pin ",
(pin + 1),
" for ",
self.chip_name,
". Unconnected pin?",
)
return None
result_pins.append(expected)
# проверяем, что нам известны состояния всех уровней и формируем маску
result = 0
for pin in range(self.pins):
if result_pins[pin] == 1:
result |= 1 << pin
return result
def get_test_all_mask(self, test0mask, test1mask):
"""
Возвращает маску замены команды TEST(m0, m1) -> TEST_ALL(mask)
:param test0mask: маска для проверки нулевых битов
:param test1mask: маска для проверки единичных битов
:return: маска для проверки всех пинов или None если не хватило данных для формирования маски
"""
if isinstance(test0mask, (list, tuple)):
test0mask = list_to_mask(test0mask, self.pins)
if isinstance(test1mask, (list, tuple)):
test1mask = list_to_mask(test1mask, self.pins)
result_pins = []
# состояние входов микросхемы должно быть таким, каким мы его установили
for pin in range(self.pins):
expected = None
if (test0mask & (1 << pin)) and (test1mask & (1 << pin)):
print 'ERROR: wrong TEST command, pin ', (pin+1)
sys.exit(1)
if self.ddr[pin] == 'o':
expected = self.levels[pin]
if expected == 0 and (test1mask & (1 << pin)):
print 'TEST: expected output level 0 but found in mask_1 at pin ', (pin+1), ' for ', self.chip_name
elif expected == 1 and (test0mask & (1 << pin)):
print 'TEST: expected output level 1 but found int mask_0 at pin ', (pin+1), ' for ', self.chip_name
if expected is None:
if test0mask & (1 << pin):
expected = 0
elif test1mask & (1 << pin):
expected = 1
else:
self.warning("TEST: Can't detect tested level at pin ", (pin+1), ' for ', self.chip_name, '. Unconnected pin?')
return None
result_pins.append(expected)
# проверяем, что нам известны состояния всех уровней и формируем маску
result = 0
for pin in range(self.pins):
if result_pins[pin] == 1:
result |= 1 << pin
return result
def set_pins_to_1(self, mask):
"""
:param mask:
:return:
"""
if isinstance(mask, (list, tuple)):
mask = list_to_mask(mask, self.pins)
for pin in range(self.pins):
if mask & (1 << pin):
self.levels[pin] = 1
def set_pins_to_1(self, mask):
"""
:param mask:
:return:
"""
if isinstance(mask, (list, tuple)):
mask = list_to_mask(mask, self.pins)
for pin in range(self.pins):
if mask & (1 << pin):
self.levels[pin] = 1
def set_ddr(self, mask):
"""
Настраивает пины тестера на ввод/вывод
:param mask:
:return:
"""
if isinstance(mask, (list, tuple)):
mask = list_to_mask(mask, self.pins)
for pin in range(self.pins):
if mask & (1 << pin):
self.ddr[pin] = 'o'
else:
self.ddr[pin] = 'i'
def set_ddr(self, mask):
"""
Настраивает пины тестера на ввод/вывод
:param mask:
:return:
"""
if isinstance(mask, (list, tuple)):
mask = list_to_mask(mask, self.pins)
for pin in range(self.pins):
if mask & (1 << pin):
self.ddr[pin] = "o"
else:
self.ddr[pin] = "i"
