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authorDanny <nooges@users.noreply.github.com>2019-06-20 01:02:20 -0400
committerDrashna Jaelre <drashna@live.com>2019-06-19 22:02:20 -0700
commit810c8db7706f40f0436555fdffbaf849dc0a5641 (patch)
treef252853db21ad7b0106f8d75a16a46eb4f1bc612 /quantum/split_common/post_config.h
parent5f0ab5a24b4ec9ea01a5fd95bda9315ac6e96142 (diff)
Set default I2C clock speed to 100kHz for split_common (#6161)
* Set default I2C clock rate for split_common boards to 100kHz

Default from I2C driver is 400kHz.

* Update documentation for setting I2C clock speed
Diffstat (limited to 'quantum/split_common/post_config.h')
-rw-r--r--quantum/split_common/post_config.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/quantum/split_common/post_config.h b/quantum/split_common/post_config.h
index 0e59df3d06..ff0fc5e193 100644
--- a/quantum/split_common/post_config.h
+++ b/quantum/split_common/post_config.h
@@ -4,6 +4,10 @@
     #define RGBLIGHT_SPLIT
   #endif
 
+  #ifndef F_SCL
+    #define F_SCL 100000UL  // SCL frequency
+  #endif
+
 #else  // use serial
   // When using serial, the user must define RGBLIGHT_SPLIT explicitly
   //  in config.h as needed.