@ -62,16 +62,13 @@ Then, modify your board's `mcuconf.h` to enable the peripheral you've chosen, fo
Configuration-wise, you'll need to set up the peripheral as per your MCU's datasheet -- the defaults match the pins for a Proton-C, i.e. STM32F303.
|`config.h` Overrride |Description |Default|
|------------------------|-------------------------------------------------------------------------------------------|-------|
|`I2C_DRIVER` |I2C peripheral to use - I2C1 -> `I2CD1` , I2C2 -> `I2CD2` etc. |`I2CD1`|
|`I2C1_BANK` (deprecated)|The bank of pins (`GPIOA`, `GPIOB` , `GPIOC` ), superseded by `I2C1_SCL_BANK` /`I2C1_SDA_BANK`|`GPIOB`|
|`I2C1_SCL_BANK` |The bank of pins (`GPIOA`, `GPIOB` , `GPIOC` ) to use for SCL |`GPIOB`|
|`I2C1_SCL` |The pin number for SCL (0-15) |`6` |
|`I2C1_SCL_PAL_MODE` |The alternate function mode for SCL |`4` |
|`I2C1_SDA_BANK` |The bank of pins (`GPIOA`, `GPIOB` , `GPIOC` ) to use for SDA |`GPIOB`|
|`I2C1_SDA` |The pin number for SDA (0-15) |`7` |
|`I2C1_SDA_PAL_MODE` |The alternate function mode for SDA |`4` |
|`config.h` Overrride |Description |Default|
|------------------------|--------------------------------------------------------------|-------|
|`I2C_DRIVER` |I2C peripheral to use - I2C1 -> `I2CD1` , I2C2 -> `I2CD2` etc. |`I2CD1`|
|`I2C1_SCL_PIN` |The pin definition for SCL |`B6` |
|`I2C1_SCL_PAL_MODE` |The alternate function mode for SCL |`4` |
|`I2C1_SDA_PIN` |The pin definition for SDA |`B7` |
|`I2C1_SDA_PAL_MODE` |The alternate function mode for SDA |`4` |
The following configuration values depend on the specific MCU in use.