Commit Graph

17 Commits

Author SHA1 Message Date
Martin Preuss
18d34450e7 avr: started reworking COM module.
- sending and receiving now basically works again, but too often the
  read buffer is in use when trying to receive a message.
2023-04-12 15:30:52 +02:00
Martin Preuss
e440746ab5 avr: try calculating idle times. 2023-04-10 23:33:24 +02:00
Martin Preuss
e19b0ef8ac avr: added memstat message. 2023-04-09 18:49:50 +02:00
Martin Preuss
0f678d7d5a avr: cleanup, added labels to calculate module sizes. 2023-04-08 18:18:19 +02:00
Martin Preuss
4a915a3c85 avr: add copyright notices. 2023-04-08 13:05:05 +02:00
Martin Preuss
7eb462173c simplified message handling, switch from XOR checksum to CRC8 with polynomial 0x97.
0x97 allows for detection of all 1-3 bit errors in a message of up to
119 bytes
(see https://www.faa.gov/aircraft/air_cert/design_approvals/air_software/media/TC-14-49.pdf)
2023-04-07 23:22:40 +02:00
Martin Preuss
4e1f08b567 reworked com stack.
- prepared for use of CRC8
- organized code in more files
- recv stats message now contains crc errors and io errors
2023-04-07 19:14:05 +02:00
Martin Preuss
c1efe538b0 avr: adapted to latest changes. 2023-04-05 22:55:01 +02:00
Martin Preuss
0db8a14972 avr: added code and messages for device information.
- send firmware information in DEVICE message
- introduced new version of VALUE message (sending UID now instead of
  timestamp)
- make SENDSTATS and RECVSTATS messages also send UID instead of timestamp
2023-03-19 23:20:16 +01:00
Martin Preuss
08d6cab1e9 avr: started working on base system vs. main system.
base system will be a base system which can be used to flash and start
the main system.
2023-02-20 23:47:30 +01:00
Martin Preuss
7e3dfa12fa comproto: Fixed a bug.
Was not saving low byte of value.
2023-02-06 21:54:04 +01:00
Martin Preuss
d56cbd6f25 AVR: More work on address assignment procedure. 2023-02-06 21:09:38 +01:00
Martin Preuss
716248c4e1 Implemented address assignment protocol. 2023-02-05 23:43:16 +01:00
Martin Preuss
1adb74aaef comproto: simplified some enqueue routines. Renamed i2c to twi.
- simplified CPRO_EnqueueComSendStats
- simplified CPRO_EnqueueValue
- renamed i2c to twi
2023-02-05 15:37:47 +01:00
Martin Preuss
5a2de1df18 comproto: started simplifying code to prepare and enqueue packets. 2023-02-05 14:57:38 +01:00
Martin Preuss
11c167171a COMPROTO: Added CPRO_EnqueueNeedAddress 2023-02-04 16:01:48 +01:00
Martin Preuss
e0d392c895 Moved protocol stuff into comproto.asm. 2023-02-04 00:56:29 +01:00