I2C timing parameters were seemingly set up for an STM32F303 target MCU, at a specific clock speed. This commit allows specifying the timing parameters via config.h, allowing other STM32 MCUs to be targeted, potentially at different clock frequencies.
Alternate function modes for the I2C pins are now also configurable, allowing for remapping to other pins.
* I2C driver docs
- Added I2C driver docs.
- Changed arm master i2c driver to have a weak i2c_init as it is impossible to account for all possible port configuration in the STM32 world.
* Update docs/i2c_driver.md
Co-Authored-By: yiancar <yiangosyiangou@cytanet.com.cy>
* Update docs/i2c_driver.md
Co-Authored-By: yiancar <yiangosyiangou@cytanet.com.cy>
* Update docs/i2c_driver.md
Co-Authored-By: yiancar <yiangosyiangou@cytanet.com.cy>
* Update docs/i2c_driver.md
Co-Authored-By: yiancar <yiangosyiangou@cytanet.com.cy>
* GPIO release fix
Elliot Powell