- Use polling to get data from mtbbus druver to main.
- Fix bad S-COM output setting.
- Add support for MTBbus speed 230 400 bd/s.
- Add support for MTBbus speed 230 400 bd/s to bootloader.
- Send DV_UPTIME in native endianness.
- Bootloader: make CMD_MOSI_CHANGE_SPEED broadcast work.
- Bootloader: never interrupt spm-executing boot_* function.
- MtbBus: store number of unsent messages in diag.
- Code quality enhancements.
Bootloader: v1.3.
Fuses: -U lfuse:w:0x3E:m -U hfuse:w:0xC0:m -U efuse:w:0xFF:m -U lock:w:0xEF:m