Added module containing new register address representations, added chip mode init/reset

src/uninitialized_w5500.rs

@@ -2,19 +2,36 @@ use bus::{ActiveBus, ActiveFourWire, ActiveThreeWire};
 use embedded_hal::digital::v2::OutputPin;
 use embedded_hal::spi::FullDuplex;
 use w5500::W5500;
+use crate::Settings;
+use register;
 
 pub struct UninitializedW5500<SpiBus: ActiveBus> {
     bus: SpiBus,
 }
 
 impl<SpiBus: ActiveBus> UninitializedW5500<SpiBus> {
-    pub fn initialize(self) -> W5500<SpiBus> {
-        // TODO actually initialize chip
-        W5500::new(self.bus)
+    pub fn initialize(mut self, settings: Settings) -> Result<W5500<SpiBus>, SpiBus::Error> {
+        self.set_mode(settings)?;
+        // TODO set up IP/etc
+        // TODO give ownership of all sockets
+        Ok(W5500::new(self.bus))
     }
     pub fn new(bus: SpiBus) -> UninitializedW5500<SpiBus> {
         UninitializedW5500 { bus: bus }
     }
+
+    fn set_mode(
+        &mut self,
+        settings: Settings,
+    ) -> Result<(), SpiBus::Error> {
+        let mut mode = [0];
+        mode[0] |= settings.on_wake_on_lan as u8;
+        mode[0] |= settings.on_ping_request as u8;
+        mode[0] |= settings.connection_type as u8;
+        mode[0] |= settings.arp_responses as u8;
+        block!(self.bus.transfer_frame(register::COMMON, register::common::MODE, true, &mut mode))?;
+        Ok(())
+    }
 }
 
 impl<Spi: FullDuplex<u8>, ChipSelect: OutputPin>