tasks: first implementation of protocol for the TUSB320 USB-PD chip. also untested!!!

src/bin/main.rs

@@ -131,6 +131,9 @@ async fn main(spawner: Spawner) {
         spawner.must_spawn(renderbug_bike::tasks::mpu::mpu_task(motion_bus.dyn_sender(), I2cDevice::new(i2c_bus), imu_interrupt));
         #[cfg(feature="gps")]
         spawner.must_spawn(renderbug_bike::tasks::gps::gps_task(motion_bus.dyn_sender(), I2cDevice::new(i2c_bus)));
+
+        // TODO: Everything i2c should be turned on by default, I guess. we don't need features for individual sensors, but we can keep the option to disable the whole bus for testing purposes
+        spawner.must_spawn(renderbug_bike::tasks::usb_power::usb_task(I2cDevice::new(i2c_bus), pd_interrupt));
     }
 
     #[cfg(feature="oled")]