Add preliminary I2C implementation for RP2040

embassy-rp/src/lib.rs

@@ -8,6 +8,7 @@ mod intrinsics;
 
 pub mod dma;
 pub mod gpio;
+pub mod i2c;
 pub mod interrupt;
 pub mod rom_data;
 pub mod rtc;
@@ -75,6 +76,9 @@ embassy_hal_common::peripherals! {
     SPI0,
     SPI1,
 
+    I2C0,
+    I2C1,
+
     DMA_CH0,
     DMA_CH1,
     DMA_CH2,