There is very little documentation on the I2C controllers implemented in the Pi 5, but as they are based on the Synopsys DW_apb_i2c (v2.02) their details are described in the company’s databook which ...

Although protocols like I2C and SPI are great for communicating between embedded devices and their peripherals, it can be a pain to interface these low-level digital interfaces to a PC. [Alexandre] ...

With all of this defined we can now create some end user-callable functions that are the same as the Pico SDK: A blocking 8-bit read int i2c_read_blocking(I2C i2c, uint8_t addr, uint8_t *dst, size_t ...