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Handle UID with more flexibility

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Some BSLs only send the UID with the erase acknowledge packet,
others only send it with the program options acknowledge packet.
Handle both cases.
This commit is contained in:
Grigori Goronzy 2014-01-13 01:25:38 +01:00
parent cf0d93b179
commit a82b0e4633
1 changed files with 15 additions and 2 deletions
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17
stcgal.py
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@ -1011,6 +1011,7 @@ class Stc12Protocol:
self.mcu_bsl_version = ""
self.options = None
self.model = None
self.uid = None
def dump_packet(self, data, receive=True):
if DEBUG:
@ -1261,6 +1262,10 @@ class Stc12Protocol:
if response[0] != 0x00:
raise RuntimeError("wrong magic in erase packet")
# UID, only sent with this packet by some BSLs
if len(response) >= 8:
self.uid = response[1:8]
def program_flash(self, data):
"""Program the MCU's flash memory.
@ -1311,9 +1316,13 @@ class Stc12Protocol:
if response[0] != 0x50:
raise RuntimeError("wrong magic in option packet")
# If UID wasn't sent with erase acknowledge, it should be in this packet
if not self.uid:
self.uid = response[18:25]
print("Target UID: %02X%02X%02X%02X%02X%02X%02X" %
(response[18], response[19], response[20], response[21],
response[22], response[23], response[24]))
(self.uid[0], self.uid[1], self.uid[2], self.uid[3], self.uid[4],
self.uid[5], self.uid[6]))
def disconnect(self):
"""Disconnect from MCU"""
@ -1534,6 +1543,10 @@ class Stc15Protocol(Stc12Protocol):
if response[0] != 0x50:
raise RuntimeError("wrong magic in option packet")
print("Target UID: %02X%02X%02X%02X%02X%02X%02X" %
(self.uid[0], self.uid[1], self.uid[2], self.uid[3], self.uid[4],
self.uid[5], self.uid[6]))
class StcGal:
"""STC ISP flash tool frontend"""