Rpi baremetal pause menu

* Add pause menu for baremetal rpi
* Add BCM power peripheral
* Use cross main image - cross-rs/cross#1320
* Replace the rpi features flags with compile env var

Cargo.toml

@@ -7,6 +7,6 @@ members = [
 ]
 
 [workspace.package]
-version = "3.0.2"
+version = "4.0.0"
 authors = ["alloncm <[email protected]>"]
-rust-version = "1.65"   # cause of let else feature
+rust-version = "1.70"   # cause of once cell

Cross.toml

@@ -1,5 +1,7 @@
-
 [target.armv7-unknown-linux-gnueabihf]
+# Using the main image cause I had problems with the image if version 0.2.5, when 0.3.0 will be released this should sort out
+# see - https://github.com/cross-rs/cross/issues/1320
+image = "ghcr.io/cross-rs/armv7-unknown-linux-gnueabihf:main"
 pre-build = [
     "echo deb http://raspbian.raspberrypi.org/raspbian/ buster main contrib non-free rpi >> /etc/apt/sources.list",
     "touch /etc/apt/sources.list.d/raspi.list",

Makefile.toml

@@ -47,7 +47,7 @@ dependencies = ["build_rpi_baremetal","install_llvm_tools"]
 toolchain = "nightly"
 cwd = "./rpi/"
 command = "cargo"
-args = ["build", "--release", "--target", "armv7a-none-eabihf","--package", "magenboy_rpi", "--bin", "baremetal", "-Z", "build-std=core", "--no-default-features", "--features", "rpi4"]
+args = ["build", "--release", "--target", "armv7a-none-eabihf","--package", "magenboy_rpi", "--bin", "baremetal", "-Z", "build-std=core"]
 dependencies = ["install_rust_src"]
 
 [tasks.install_llvm_tools]

README.md

@@ -57,7 +57,7 @@ cargo build --release --package magenboy_sdl --features [optional_features]
 Edit the relevant settings in `configuration.rs` install [`arm-none-eabi-gcc`](https://developer.arm.com/downloads/-/gnu-rm) and then run:
 
 ```sh
-cargo make rpibm
+cargo make -e [rpi_revision] rpibm 
 ```
 
 This command will do the folowing: