7u83/stcgal
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Add automatic protocol detection

Browse Source 
The model of the target MCU and its protocol is detected using model ID provided in the first packet (status packet) from the MCU.

Tested working models include,
IAP15F2K61S2 (BSL version: 7.1.4S, protocol: stc15)
STC15F104W (BSL version: 7.1.4Q, protocol: stc15)
TC11F02E (BSL version: 6.5K, protocol: stc12)
STC10F04XE (BSL version: 6.5J, protocol: stc12)
STC12C5A16S2 (BSL version: 6.2I, protocol: stc12)
STC12C5608AD (BSL version: 6.0G, protocol: stc12)
STC12C2052 (BSL version: 5.8D, protocol: stc12a)
STC90C52RC (BSL version: 4.3C, protocol: stc89)
STC89C52RC (BSL version: 4.3C, protocol: stc89)
STC89C54RD+ (BSL version: 4.3C, protocol: stc89)
STC15F104E (BSL version: 6.7Q, protocol: stc15a)

STC15F104E uses a different status packet protocol than other MCUs; it waits for an ACK packet before sending out the status packet.  Another problem is that STC15F104E shares the same model magic with STC15F104W.  Fortunately, these two models can be differentiated by their BSL version numbers.
This commit is contained in:
laborer
2016-05-06 12:04:49 -04:00
parent d1f464c387
commit afba6c6805
2 changed files with 155 additions and 124 deletions
Download Patch File Download Diff File Expand all files Collapse all files

26
stcgal/frontend.py
View File

@ -32,6 +32,7 @@ class StcGal:
def __init__(self, opts):
self.opts = opts
if opts.protocol == "stc89":
self.protocol = Stc89Protocol(opts.port, opts.handshake, opts.baud)
elif opts.protocol == "stc12a":
@ -40,10 +41,12 @@ class StcGal:
self.protocol = Stc12Protocol(opts.port, opts.handshake, opts.baud)
elif opts.protocol == "stc15a":
self.protocol = Stc15AProtocol(opts.port, opts.handshake, opts.baud,
round(opts.trim * 1000))
else:
round(opts.trim * 1000))
elif opts.protocol == "stc15":
self.protocol = Stc15Protocol(opts.port, opts.handshake, opts.baud,
round(opts.trim * 1000))
else:
self.protocol = StcBaseProtocol(opts.port, opts.handshake, opts.baud)
self.protocol.debug = opts.debug
@ -117,7 +120,20 @@ class StcGal:
self.protocol.disconnect()
def run(self):
try: self.protocol.connect(autoreset=self.opts.autoreset)
try:
self.protocol.connect(autoreset=self.opts.autoreset)
if self.opts.protocol == "auto":
if not self.protocol.protocol_name:
raise StcProtocolException("cannot detect protocol")
base_protocol = self.protocol
self.opts.protocol = self.protocol.protocol_name
# recreate self.protocol with proper protocol class
self.__init__(self.opts)
else:
base_protocol = None
self.protocol.initialize(base_protocol)
except KeyboardInterrupt:
sys.stdout.flush();
print("interrupted")
@ -175,7 +191,7 @@ def cli():
parser.add_argument("code_image", help="code segment file to flash (BIN/HEX)", type=argparse.FileType("rb"), nargs='?')
parser.add_argument("eeprom_image", help="eeprom segment file to flash (BIN/HEX)", type=argparse.FileType("rb"), nargs='?')
parser.add_argument("-a", "--autoreset", help="cycle power automatically by asserting DTR", action="store_true")
parser.add_argument("-P", "--protocol", help="protocol version", choices=["stc89", "stc12a", "stc12", "stc15a", "stc15"], default="stc12")
parser.add_argument("-P", "--protocol", help="protocol version", choices=["stc89", "stc12a", "stc12", "stc15a", "stc15", "auto"], default="stc12")
parser.add_argument("-p", "--port", help="serial port device", default="/dev/ttyUSB0")
parser.add_argument("-b", "--baud", help="transfer baud rate (default: 19200)", type=BaudType(), default=19200)
parser.add_argument("-l", "--handshake", help="handshake baud rate (default: 2400)", type=BaudType(), default=2400)
@ -183,7 +199,7 @@ def cli():
parser.add_argument("-t", "--trim", help="RC oscillator frequency in kHz (STC15 series only)", type=float, default=0.0)
parser.add_argument("-D", "--debug", help="enable debug output", action="store_true")
opts = parser.parse_args()
# run programmer
gal = StcGal(opts)
return gal.run()