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Author SHA1 Message Date
Grigori Goronzy
b9208c4772 Add length checks for status packets 
Fuzzing found a number of issues when status packets are cut short.
Introduce checks on the length of status packets to fix these issues.
 2017-10-11 23:20:20 +02:00
Grigori Goronzy
ad5a89297f Check length of responses 
Fuzzing found lots of issues when packets are cut short. This should
rarely happen, but stcgal should be able to handle it without crashing.

This adds length checks when checking the magic of packets or when
checking checksums.
 2017-10-11 23:20:20 +02:00
Grigori Goronzy
0cb56f4919 Use abc for StcBaseProtocol 
Use the abc module to declare StcBaseProtocol as an abstract base
class and clean up imports while at it.
 2017-10-11 23:20:20 +02:00
Grigori Goronzy
f195258eb5 Clean up options utilities 
Use abc to declare an abstract base class and add some documentation.
 2017-10-11 23:20:20 +02:00
Grigori Goronzy
ff9530833d Update gitignore 2017-10-11 23:19:11 +02:00
Grigori Goronzy
8b0fdcb42a Clean up Intel HEX utilities 
No functional change intended.
 2017-10-11 23:18:59 +02:00
Grigori Goronzy
ebcfeb467c Merge pull request #27 from nekromant/fixes 
Implement power-cycling via a custom shell cmd, update models.py
 2017-10-09 00:05:55 +02:00
Andrew Andrianov
d7e226df6b README.md: Document -r option properly 
Signed-off-by: Andrew Andrianov <andrew@ncrmnt.org>
 2017-10-08 23:58:31 +03:00
Andrew Andrianov
191a580469 protocols: Move device reset logic to a separate method 
Signed-off-by: Andrew Andrianov <andrew@ncrmnt.org>
 2017-10-08 23:20:17 +03:00
Andrew Andrianov
c131a9d901 frontend: Use command instead of cmd in description 
Signed-off-by: Andrew Andrianov <andrew@ncrmnt.org>
 2017-10-08 23:19:55 +03:00
Andrew Andrianov
3f4263e8fe models.py: Add some STC15xxx definitions from stcdude's mcudb 
Signed-off-by: Andrew Andrianov <andrew@ncrmnt.org>
 2017-10-07 23:30:03 +03:00
Andrew Andrianov
ba4faf9c43 Implement power-cycling via custom shell command 
Sometimes instead of DTR line some custom way (e.g SoC gpio line)
may be used to reset the device. This commit implements
automated power-cycling using a a custom shell command that can
be specified via -r option

Signed-off-by: Andrew Andrianov <andrew@ncrmnt.org>
 2017-10-07 22:41:49 +03:00
Grigori Goronzy
f1bafb1e0d Update version to 1.4 2017-09-19 18:00:02 +02:00
Grigori Goronzy
fdd6707d2d Add Travis CI for CI and CD 
Run tests for each commit and deploy packages (deb/rpm) for each
release tag.
 2017-09-19 17:54:26 +02:00
Grigori Goronzy
532363d97b Exclude test directory from build 2017-09-18 15:42:08 +02:00
Grigori Goronzy
5865b06f7f Add STC15W4K56S4 programming test 2017-09-02 10:23:06 +02:00
Grigori Goronzy
1b69257cd3 Add missing STC15F104E trace 
Currently broken, needs retracing.
 2017-09-02 10:12:14 +02:00
Grigori Goronzy
38ac5f0788 Add STC15L104W programming test 2017-09-02 08:05:13 +02:00
Grigori Goronzy
6dccf13fb6 Add missing test dependency 
PyYAML is needed to parse the programming simulation data.
 2017-09-02 00:08:28 +02:00
Grigori Goronzy
0ca8b2ea2d Ensure hexstr helper actually received a list of bytes 
Otherwise, the formatted output is rather bogus. Found with a test case.
 2017-09-02 00:00:27 +02:00
Grigori Goronzy
53184b549e Handle None in to_bool utility 
None is commonly used, so we want to be able to handle it with this helper.
Found with a test case.
 2017-09-01 23:59:05 +02:00
Grigori Goronzy
cf68e3c6dc Add initial tests 
This adds various tests, integrated into setuptools. These use "monkey
patching" where needed to mock the pyserial and packet reader/writer
functionality to allow for testing with no changes.

The code should be refactored to simplify testing, but this is good enough
to stop regressions for now.
 2017-09-01 23:55:46 +02:00
Grigori Goronzy
5d10c06f1e Add Visual Studio Code to gitignore 2017-08-31 21:08:57 +02:00
Grigori Goronzy
7e84b8e0fb Fix some additional code smells 
No functional change intended.
 2017-08-31 21:07:56 +02:00
Grigori Goronzy
f34ba6644f Fix option error handling for STC12A LVD 2017-06-16 10:22:24 +02:00
Grigori Goronzy
f15b64f4f7 Fix some minor code smells reported by pylint 
No functional change intended.
 2017-06-16 10:21:43 +02:00
Grigori Goronzy
2e822375e0 Update Debian packaging scripts for 1.3 2017-06-10 10:02:53 +02:00
Grigori Goronzy
7d6e8e9bfd Update version to 1.3 2017-06-10 09:55:38 +02:00
Grigori Goronzy
506289b8ee Add __main__ module 
This allows stcgal to be started with "python3 -m stcgal" or similar.
Addresses stcgal#24.
 2017-06-09 21:03:07 +02:00
Grigori Goronzy
f417b6eed5 Add new compatibility report 
Closes #20.
 2016-11-22 10:23:47 +01:00
Grigori Goronzy
86e289b65c usb15: add basic protocol information 
These are just my notes from reverse engineering.
 2016-06-10 21:12:17 +02:00
Grigori Goronzy
53f9544281 stc15: fix RC oscillator baudrate switch packet 
It looks like it wasn't correct. The last value sent is probably
supposed to be the trim value for the chosen trim frequency.

Found while investigating grigorig/stcgal#16.
 2016-06-10 12:45:58 +02:00
Grigori Goronzy
65a7759647 stc12+: drop checksum verification for flashing 
It's not needed on STC12 and up. All transfers are error checked with
parity and a 16-bit modular sum already. STC15 dropped the verification
checksum on the protocol level, it's not sent with the write status
packet, which is a testament to this not being needed.

Some parts store the UID in the last bytes of flash memory and this
verification actually caused incorrect verification failures because
of the verification, which apparently read the UID on verification
readback.

Fixes grigorig/stcgal#15.
 2016-05-28 11:25:44 +02:00
Grigori Goronzy
8ad77586d4 Update version to 1.2 2016-05-20 03:22:24 +02:00
Grigori Goronzy
276c696fa4 frontend: enable protocol autodetection by default 
It seems to work rather well after some extended testing. Also clean
up and update the protocol documentation while at it.
 2016-05-20 02:59:35 +02:00
Grigori Goronzy
26ef34991b usb15: abort if permission denied 
Don't ignore permission denied when looking for a suitable USB device.
Otherwise users don't notice what the problem is, stcgal will just
keep waiting on the prompt.
 2016-05-20 02:55:23 +02:00
Grigori Goronzy
f90fe4152b Add STC12B protocol variant 
This is just like STC12, but with the STC12A option packet. Used by
STC12xx52 series, STC12xx56 series and possibly others.

Fixes grigorig/stcgal#14.
 2016-05-20 02:54:57 +02:00
Grigori Goronzy
d6ef028dc7 Extract mix-ins for STC12 and STC12A options 
This simplifies code down the line. No functional change intended.
 2016-05-20 02:44:50 +02:00
Grigori Goronzy
979d7f513f Get rid of USB bmRequestType constants 
These constants were calculated on class loading, which didn't work
without pyusb. USB support is going to remain optional.
 2016-05-18 16:40:09 +02:00
Grigori Goronzy
fce2f01232 Extract option classes into separate file 2016-05-18 02:38:13 +02:00
Grigori Goronzy
854f36100b stc12: fix option handling 
MCS3 index was wrong. Also, write MCS3 to two possible indices in
the option set packet.

Addresses grigorig/stcgal#14.
 2016-05-18 02:14:02 +02:00
Grigori Goronzy
92f4def11a stc12a: revamp option handling 
Completely revamp option handling. This fixes a wrong index of MCS4,
which is now renamed to MCS3. Now programming should be exactly
similar to STC-ISP 6.85M.

This also renames the values of the low_voltage_reset option for
clarity.

Also update the documentation and clarity the meaning of the option
according to protocol family.

Addresses grigorig/stcgal#14.
 2016-05-18 01:40:08 +02:00
Grigori Goronzy
6c0af88551 frontend: always pad to 512 bytes, fill with 0xff 
This seems to be the default of STC-ISP, so let's use it for possibly
improved compatibility.
 2016-05-18 00:56:16 +02:00
Grigori Goronzy
366a3a5bd3 Fix EEPROM size of STC12x54 series in MCU database 2016-05-15 02:39:51 +02:00
Grigori Goronzy
c046e886e3 usb15: add protocol notes 2016-05-15 02:31:36 +02:00
Grigori Goronzy
7ba95eab68 stc15/usb15: add password feature notes 
I'm not going to implement this right now as it is rather dangerous.
 2016-05-15 02:30:25 +02:00
Grigori Goronzy
61a4fa0e4f stc89: add missing output flush 2016-05-14 21:37:27 +02:00
Grigori Goronzy
da5f6678c5 usb15: sanity check on status packet reads 
If a previous stcgal invocation is aborted, we can be in a bad state
upon connect. Add a simple sanity check based on packet length to
detect this and drop unsuitable packets.
 2016-05-14 21:03:07 +02:00
Grigori Goronzy
a8f141584d Merge branch 'usbisp' 
It is still experimental, but the changes are not very invasive, so why
not include it right now. Closes grigorig/stcgal#10.
 2016-05-14 13:26:57 +02:00
Grigori Goronzy
adcb8d8ced README: add details of usb15 protocol mode 2016-05-14 13:21:43 +02:00