Cleanup unused dependencies etc

Author: usbalbin

.github/workflows/ci.yml

@@ -28,8 +28,8 @@ jobs:
           - log-rtt,defmt
           # TODO: -log-rtt # log-rtt without defmt, more combos?
           - log-itm
-          - log-semihost
-          - cordic,log-rtt,defmt
+          - log-semihost,can
+          - cordic,usb,log-rtt,defmt
 
     steps:
       - uses: actions/checkout@v2

Cargo.toml

@@ -15,9 +15,6 @@ version = "0.0.2"
 nb = "1"
 stm32g4 = { version = "0.22.0", package = "stm32g4-staging" }
 paste = "1.0"
-bitflags = "1.2"
-vcell = "0.1"
-static_assertions = "1.1"
 fugit = "0.3.7"
 stm32-usbd = { version = "0.7.0", optional = true }
 fixed = { version = "1.28.0", optional = true }
@@ -30,15 +27,12 @@ features = ["critical-section-single-core"]
 [dependencies.fdcan]
 version = "0.2.1"
 features = ["fdcan_g0_g4_l5"]
+optional = true
 
 [dependencies.cast]
 version = "0.2.7"
 default-features = false
 
-[dependencies.bare-metal]
-features = ["const-fn"]
-version = "0.2.5"
-
 [dependencies.embedded-hal-old]
 package = "embedded-hal"
 features = ["unproven"]
@@ -54,12 +48,8 @@ version = "0.1.2"
 default-features = false
 version = "1.0.2"
 
-[dependencies.stable_deref_trait]
-default-features = false
-version = "1.1"
-
 [dependencies.defmt]
-version = "0.3.2"
+version = "1"
 optional = true
 
 [dev-dependencies]
@@ -110,6 +100,7 @@ cordic = ["dep:fixed"]
 adc3 = []
 adc4 = []
 adc5 = []
+can = ["dep:fdcan"]
 
 [profile.dev]
 codegen-units = 1
@@ -130,6 +121,10 @@ codegen-units = 1
 incremental = false
 lto = true
 
+[[example]]
+name = "can-echo"
+required-features = ["can"]
+
 [[example]]
 name = "flash_with_rtic"
 required-features = ["stm32g474"]

src/can.rs

@@ -2,7 +2,6 @@
 //!
 
 use crate::rcc::{self, Rcc};
-use fdcan;
 
 mod sealed {
     /// A TX pin configured for CAN communication

src/lib.rs

@@ -25,9 +25,6 @@ compile_error!(
         stm32g4a1"
 );
 
-extern crate bare_metal;
-extern crate void;
-
 pub extern crate cortex_m;
 pub extern crate nb;
 pub extern crate stm32g4;
@@ -71,6 +68,7 @@ pub use crate::stm32::interrupt;
 
 pub mod adc;
 pub mod bb;
+#[cfg(feature = "can")]
 pub mod can;
 pub mod comparator;
 #[cfg(feature = "cordic")]