Actually use the device-selected feature

Author: datdenkikniet

src/lib.rs

@@ -24,22 +24,44 @@ pub use stm32f1xx_hal as hal;
 #[cfg(feature = "stm32f1xx-hal")]
 pub use stm32f1xx_hal::pac as stm32;
 
-use hal::rcc::Clocks;
-use stm32::{ETHERNET_DMA, ETHERNET_MAC, ETHERNET_MMC};
+#[cfg(feature = "device-selected")]
+use {
+    hal::rcc::Clocks,
+    stm32::{ETHERNET_DMA, ETHERNET_MAC, ETHERNET_MMC},
+};
 
+#[cfg(feature = "device-selected")]
 mod dma;
+#[cfg(feature = "device-selected")]
 pub use dma::{eth_interrupt_handler, EthernetDMA};
+
+#[cfg(feature = "device-selected")]
 mod ring;
+#[cfg(feature = "device-selected")]
 pub use ring::RingEntry;
+
 mod desc;
+
+#[cfg(feature = "device-selected")]
 pub mod mac;
+#[cfg(feature = "device-selected")]
 pub use mac::{EthernetMAC, EthernetMACWithMii, WrongClock};
+
+#[cfg(feature = "device-selected")]
 mod rx;
+#[cfg(feature = "device-selected")]
 pub use rx::{RxDescriptor, RxError, RxRingEntry};
+
+#[cfg(feature = "device-selected")]
 mod tx;
+#[cfg(feature = "device-selected")]
 pub use tx::{TxDescriptor, TxError, TxRingEntry};
+
+#[cfg(feature = "device-selected")]
 pub mod setup;
+#[cfg(feature = "device-selected")]
 pub use setup::EthPins;
+#[cfg(feature = "device-selected")]
 use setup::{
     AlternateVeryHighSpeed, RmiiCrsDv, RmiiRefClk, RmiiRxD0, RmiiRxD1, RmiiTxD0, RmiiTxD1, RmiiTxEN,
 };
@@ -51,6 +73,9 @@ mod smoltcp_phy;
 #[cfg(feature = "smoltcp-phy")]
 pub use smoltcp_phy::{EthRxToken, EthTxToken};
 
+#[cfg(not(feature = "device-selected"))]
+compile_error!("No device was selected! Exactly one stm32fxxx feature must be selected.");
+
 /// From the datasheet: *VLAN Frame maxsize = 1522*
 const MTU: usize = 1522;
 
@@ -62,13 +87,14 @@ const MTU: usize = 1522;
 /// Automatically sets slew rate to VeryHigh.
 ///
 /// This method does not initialise the external PHY. Interacting with a PHY
-/// can be done by using the struct returned from [`EthernetMAC::smi`].
+/// can be done by using the struct returned from [`EthernetMAC::mii`].
 ///
 /// /// # Note
 /// - Make sure that the buffers reside in a memory region that is
 /// accessible by the peripheral. Core-Coupled Memory (CCM) is
 /// usually not accessible.
 /// - HCLK must be at least 25 MHz.
+#[cfg(feature = "device-selected")]
 pub fn new<'rx, 'tx, REFCLK, CRS, TXEN, TXD0, TXD1, RXD0, RXD1>(
     eth_mac: ETHERNET_MAC,
     eth_mmc: ETHERNET_MMC,
@@ -113,6 +139,7 @@ where
 /// accessible by the peripheral. Core-Coupled Memory (CCM) is
 /// usually not accessible.
 /// - HCLK must be at least 25 MHz.
+#[cfg(feature = "device-selected")]
 pub fn new_with_mii<'rx, 'tx, REFCLK, CRS, TXEN, TXD0, TXD1, RXD0, RXD1, MDIO, MDC>(
     eth_mac: ETHERNET_MAC,
     eth_mmc: ETHERNET_MMC,