Added device-selected meta feature flag (#57)

Signed-off-by: Daniel Egger <[email protected]>

Author: therealprof

CHANGELOG.md

@@ -9,7 +9,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 ### Added
 
-- Now requires stm32f1 v0.7
+- Added device-selected meta feature flag
+- Now requires stm32f1 v0.7 (breaking change)
 - Restore and improve Serial DMA-based TX, RX and circular implementation
 - Implement ADC example
 - Implement ADC embedded_hal traits

Cargo.toml

@@ -85,11 +85,12 @@ version = "1.0.87"
 #rev = "6f12b77c1ffeae167989fe06e0d8b15978bd6d18"
 
 [features]
+device-selected = []
 doc = []
 rt = ["stm32f1/rt"]
-stm32f100 = ["stm32f1/stm32f100"]
-stm32f101 = ["stm32f1/stm32f101"]
-stm32f103 = ["stm32f1/stm32f103"]
+stm32f100 = ["stm32f1/stm32f100", "device-selected"]
+stm32f101 = ["stm32f1/stm32f101", "device-selected"]
+stm32f103 = ["stm32f1/stm32f103", "device-selected"]
 
 [profile.dev]
 incremental = false

src/lib.rs

@@ -93,6 +93,7 @@
 
 #![no_std]
 
+#[cfg(feature = "device-selected")]
 use embedded_hal as hal;
 
 #[cfg(feature = "stm32f100")]
@@ -104,26 +105,49 @@ pub use stm32f1::stm32f101 as pac;
 #[cfg(feature = "stm32f103")]
 pub use stm32f1::stm32f103 as pac;
 
+#[cfg(feature = "device-selected")]
 pub use crate::pac as device;
+
+#[cfg(feature = "device-selected")]
 pub use crate::pac as stm32;
 
+#[cfg(feature = "device-selected")]
 pub mod adc;
+#[cfg(feature = "device-selected")]
 pub mod afio;
+#[cfg(feature = "device-selected")]
 pub mod backup_domain;
+#[cfg(feature = "device-selected")]
 pub mod bb;
+#[cfg(feature = "device-selected")]
 pub mod delay;
+#[cfg(feature = "device-selected")]
 pub mod dma;
+#[cfg(feature = "device-selected")]
 pub mod flash;
+#[cfg(feature = "device-selected")]
 pub mod gpio;
+#[cfg(feature = "device-selected")]
 pub mod i2c;
+#[cfg(feature = "device-selected")]
 pub mod prelude;
+#[cfg(feature = "device-selected")]
 pub mod pwm;
+#[cfg(feature = "device-selected")]
 pub mod pwm_input;
+#[cfg(feature = "device-selected")]
 pub mod qei;
+#[cfg(feature = "device-selected")]
 pub mod rcc;
+#[cfg(feature = "device-selected")]
 pub mod rtc;
+#[cfg(feature = "device-selected")]
 pub mod serial;
+#[cfg(feature = "device-selected")]
 pub mod spi;
+#[cfg(feature = "device-selected")]
 pub mod time;
+#[cfg(feature = "device-selected")]
 pub mod timer;
+#[cfg(feature = "device-selected")]
 pub mod watchdog;