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-rw-r--r--docs/config_options.md26
1 files changed, 24 insertions, 2 deletions
diff --git a/docs/config_options.md b/docs/config_options.md
index 26fe8cea55..980195ac68 100644
--- a/docs/config_options.md
+++ b/docs/config_options.md
@@ -274,7 +274,7 @@ There are a few different ways to set handedness for split keyboards (listed in
### Other Options
* `#define USE_I2C`
- * For using I2C instead of Serial (defaults to serial)
+ * For using I2C instead of Serial (default is serial; serial transport is supported on ARM -- I2C is AVR-only)
* `#define SOFT_SERIAL_PIN D0`
* When using serial, define this. `D0` or `D1`,`D2`,`D3`,`E6`.
@@ -303,7 +303,7 @@ There are a few different ways to set handedness for split keyboards (listed in
* `#define SPLIT_USB_DETECT`
* Detect (with timeout) USB connection when delegating master/slave
* Default behavior for ARM
- * Required for AVR Teensy
+ * Required for AVR Teensy (without hardware mods)
* `#define SPLIT_USB_TIMEOUT 2000`
* Maximum timeout when detecting master/slave when using `SPLIT_USB_DETECT`
@@ -311,6 +311,28 @@ There are a few different ways to set handedness for split keyboards (listed in
* `#define SPLIT_USB_TIMEOUT_POLL 10`
* Poll frequency when detecting master/slave when using `SPLIT_USB_DETECT`
+* `#define FORCED_SYNC_THROTTLE_MS 100`
+ * Deadline for synchronizing data from master to slave when using the QMK-provided split transport.
+
+* `#define SPLIT_TRANSPORT_MIRROR`
+ * Mirrors the master-side matrix on the slave when using the QMK-provided split transport.
+
+* `#define SPLIT_LAYER_STATE_ENABLE`
+ * Ensures the current layer state is available on the slave when using the QMK-provided split transport.
+
+* `#define SPLIT_LED_STATE_ENABLE`
+ * Ensures the current host indicator state (caps/num/scroll) is available on the slave when using the QMK-provided split transport.
+
+* `#define SPLIT_MODS_ENABLE`
+ * Ensures the current modifier state (normal, weak, and oneshot) is available on the slave when using the QMK-provided split transport.
+
+* `#define SPLIT_WPM_ENABLE`
+ * Ensures the current WPM is available on the slave when using the QMK-provided split transport.
+
+* `#define SPLIT_TRANSACTION_IDS_KB .....`
+* `#define SPLIT_TRANSACTION_IDS_USER .....`
+ * Allows for custom data sync with the slave when using the QMK-provided split transport. See [custom data sync between sides](feature_split_keyboard.md#custom-data-sync) for more information.
+
# The `rules.mk` File
This is a [make](https://www.gnu.org/software/make/manual/make.html) file that is included by the top-level `Makefile`. It is used to set some information about the MCU that we will be compiling for as well as enabling and disabling certain features.