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stc15: extract build_options method

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This will allow use to reuse code for upcoming USB-ISP support.
This commit is contained in:
Grigori Goronzy 2016-05-14 12:43:15 +02:00
parent eedf9169a7
commit 2738118e8f
1 changed files with 15 additions and 8 deletions
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23
stcgal/protocols.py
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@ -1937,15 +1937,12 @@ class Stc15Protocol(Stc15AProtocol):
raise StcProtocolException("incorrect magic in finish packet") raise StcProtocolException("incorrect magic in finish packet")
print("done") print("done")
def program_options(self): def build_options(self):
print("Setting options: ", end="") """Build a 64 byte packet of option data from the current
sys.stdout.flush() configuration."""
msr = self.options.get_msr()
packet = bytes([0x04, 0x00, 0x00]) msr = self.options.get_msr()
if self.bsl_version >= 0x72: packet = bytes([0xff] * 23)
packet += bytes([0x5a, 0xa5])
packet += bytes([0xff] * 23)
packet += bytes([(self.trim_frequency >> 24) & 0xff, packet += bytes([(self.trim_frequency >> 24) & 0xff,
0xff, 0xff,
(self.trim_frequency >> 16) & 0xff, (self.trim_frequency >> 16) & 0xff,
@ -1963,6 +1960,16 @@ class Stc15Protocol(Stc15AProtocol):
packet += bytes([0xff] * 3) packet += bytes([0xff] * 3)
packet += bytes([self.trim_value[0], self.trim_value[1] + 0x3f]) packet += bytes([self.trim_value[0], self.trim_value[1] + 0x3f])
packet += msr[0:3] packet += msr[0:3]
return packet
def program_options(self):
print("Setting options: ", end="")
sys.stdout.flush()
packet = bytes([0x04, 0x00, 0x00])
if self.bsl_version >= 0x72:
packet += bytes([0x5a, 0xa5])
packet += self.build_options()
self.write_packet(packet) self.write_packet(packet)
response = self.read_packet() response = self.read_packet()
if response[0] != 0x04 or response[1] != 0x54: if response[0] != 0x04 or response[1] != 0x54: