diff options
| -rw-r--r-- | docs/config_options.md | 2 | ||||
| -rw-r--r-- | quantum/split_common/i2c.h | 4 |
2 files changed, 5 insertions, 1 deletions
diff --git a/docs/config_options.md b/docs/config_options.md index d728a49c3..afc29fae9 100644 --- a/docs/config_options.md +++ b/docs/config_options.md @@ -91,6 +91,8 @@ This is a C header file that is one of the first things included, and will persi * key combination that allows the use of magic commands (useful for debugging) * `#define USB_MAX_POWER_CONSUMPTION` * sets the maximum power (in mA) over USB for the device (default: 500) +* `#define SCL_CLOCK 100000L` + * sets the SCL_CLOCK speed for split keyboards. The default is `100000L` but some boards can be set to `400000L`. ## Features That Can Be Disabled diff --git a/quantum/split_common/i2c.h b/quantum/split_common/i2c.h index b4c72bde0..b3cbe8c82 100644 --- a/quantum/split_common/i2c.h +++ b/quantum/split_common/i2c.h @@ -25,7 +25,9 @@ #define SLAVE_BUFFER_SIZE 0x20 // i2c SCL clock frequency -#define SCL_CLOCK 400000L +#ifndef SCL_CLOCK +#define SCL_CLOCK 100000L +#endif // Support 8bits right now (8 cols) will need to edit to take higher (code exists in delta split?) extern volatile uint8_t i2c_slave_buffer[SLAVE_BUFFER_SIZE]; |