def set_watchdog_prescale(self, val):
val = Utils.to_int(val)
wd_vals = {2: 0, 4: 1, 8: 2, 16: 3, 32: 4, 64: 5, 128: 6, 256: 7}
if val not in wd_vals.keys():
raise ValueError("must be one of %s" % list(wd_vals.keys()))
self.msr[0] &= 0xf8
self.msr[0] |= wd_vals[val]
def set_flash_split(self, val):
num_val = Utils.to_int(val)
if num_val < 512 or num_val > 65024 or (num_val % 512) != 0:
raise ValueError(
"must be between 512 and 65024 bytes and a multiple of 512 bytes"
)
self.msr[4] = num_val // 256
def set_osc_stable_delay(self, val):
val = Utils.to_int(val)
osc_vals = {4096: 0, 8192: 1, 16384: 2, 32768: 3}
if val not in osc_vals.keys():
raise ValueError("must be one of %s" % list(osc_vals.keys()))
self.msr[0] &= 0xcf
self.msr[0] |= osc_vals[val] << 4
def set_watchdog_prescale(self, val):
val = Utils.to_int(val)
wd_vals = {2: 0, 4: 1, 8: 2, 16: 3, 32: 4, 64: 5, 128: 6, 256: 7}
if val not in wd_vals.keys():
raise ValueError("must be one of %s" % list(wd_vals.keys()))
self.msr[3] &= 0xf8
self.msr[3] |= wd_vals[val]
def set_osc_stable_delay(self, val):
val = Utils.to_int(val)
osc_vals = {4096: 0, 8192: 1, 16384: 2, 32768: 3}
if val not in osc_vals.keys():
raise ValueError("must be one of %s" % list(osc_vals.keys()))
self.msr[0] &= 0xcf
self.msr[0] |= osc_vals[val] << 4
def test_to_int(self):
"""Test wrapped integer conversion"""
self.assertEqual(Utils.to_int("2"), 2)
self.assertEqual(Utils.to_int("0x10"), 16)
with self.assertRaises(ValueError):
Utils.to_int("a")
with self.assertRaises(ValueError):
Utils.to_int("")
with self.assertRaises(ValueError):
Utils.to_int(None)
def test_to_int(self):
"""Test wrapped integer conversion"""
self.assertEqual(Utils.to_int("2"), 2)
self.assertEqual(Utils.to_int("0x10"), 16)
with self.assertRaises(ValueError):
Utils.to_int("a")
with self.assertRaises(ValueError):
Utils.to_int("")
with self.assertRaises(ValueError):
Utils.to_int(None)
def set_low_voltage(self, val):
val = Utils.to_int(val)
if val not in range(0, 8):
raise ValueError("must be one of %s" % list(range(0, 8)))
self.msr[1] &= 0xf8
self.msr[1] |= val
def set_flash_split(self, val):
num_val = Utils.to_int(val)
if num_val < 512 or num_val > 65024 or (num_val % 512) != 0:
raise ValueError("must be between 512 and 65024 bytes and a multiple of 512 bytes")
self.msr[4] = num_val // 256
def set_low_voltage(self, val):
val = Utils.to_int(val)
if val not in range(0, 4):
raise ValueError("must be one of %s" % list(range(0, 4)))
self.msr[2] &= 0xfc
self.msr[2] |= 3 - val
