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Fix for the Split Common I2C code's SCL_CLOCK issue #3474

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merged 3 commits into from
Jul 25, 2018
Merged

Fix for the Split Common I2C code's SCL_CLOCK issue #3474

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1d4da86
Fix the SLC_CLOCK setting for the Split Common code
drashna Jul 23, 2018
f987a47
Add SCL_CLOCK variable to documentation
drashna Jul 23, 2018
cb21993
Change SCL_CLOCK default to 100000L
drashna Jul 23, 2018
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2 changes: 2 additions & 0 deletions docs/config_options.md
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Expand Up @@ -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

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4 changes: 3 additions & 1 deletion quantum/split_common/i2c.h
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Expand Up @@ -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];
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