qmk_firmware/quantum/split_common/post_config.h at ee371c1295f00c119dd5a1bb2f3d4acedff832a7 - mirrors/qmk_firmware - Lotte's Git

mirrors/qmk_firmware

mirror of https://github.com/qmk/qmk_firmware synced 2024-11-16 17:04:50 +00:00

Nick Brassel 172e6a7030

Extensible split data sync (#11930 )

* Extensible split data sync capability through transactions.

- Split common transport has been split up between the transport layer
  and data layer.
- Split "transactions" model used, with convergence between I2C and
  serial data definitions.
- Slave matrix "generation count" is used to determine if the full slave
  matrix needs to be retrieved.
- Encoders get the same "generation count" treatment.
- All other blocks of data are synchronised when a change is detected.
- All transmissions have a globally-configurable deadline before a
  transmission is forced (`FORCED_SYNC_THROTTLE_MS`, default 100ms).
- Added atomicity for all core-synced data, preventing partial updates
- Added retries to AVR i2c_master's i2c_start, to minimise the number of
  failed transactions when interrupts are disabled on the slave due to
  atomicity checks.
- Some keyboards have had slight modifications made in order to ensure
  that they still build due to firmware size restrictions.

* Fixup LED_MATRIX compile.

* Parameterise ERROR_DISCONNECT_COUNT.

2021-06-18 09:10:06 +10:00

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C

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 #if defined(USE_I2C)
 // When using I2C, using rgblight implicitly involves split support.
 #    if defined(RGBLIGHT_ENABLE) && !defined(RGBLIGHT_SPLIT)
 #        define RGBLIGHT_SPLIT
 #    endif
 #    ifndef F_SCL
 #        define F_SCL 100000UL  // SCL frequency
 #    endif
 #endif