Merge #741

741: Docs 2 r=korken89 a=datdenkikniet

Working on the migration guide and other docs

TODO:
- [x] Migration guide
- [x] Hardcoded examples should link to example code that is tested (this was already done, AFAICT)
- [x] Address #699 
- [x] Discuss: should we remove references to non-v2, apart from the migration guide and link to the book for v1? (Off-github conclusion: yes)
- [x] RTIC {vs,and} Embassy (important: distinction between embassy runtime & HALs)
- [x] More descriptive docs on how to implement & PR implementations of `Monotonic` to `rtic-monotonics` 


Co-authored-by: datdenkikniet <jcdra1@gmail.com>

1 files changed, 0 insertions, 45 deletions

diff --git a/book/en/src/by-example/tips_from_ram.md b/book/en/src/by-example/tips_from_ram.md
deleted file mode 100644
index f6b2173..0000000
--- a/book/en/src/by-example/tips_from_ram.md
+++ /dev/null
@@ -1,45 +0,0 @@
-# Running tasks from RAM
-
-The main goal of moving the specification of RTIC applications to attributes in RTIC v0.4.0 was to allow inter-operation with other attributes. For example, the `link_section` attribute can be applied to tasks to place them in RAM; this can
-improve performance in some cases.
-
-> **IMPORTANT**: In general, the `link_section`, `export_name` and `no_mangle` attributes are powerful but also easy to misuse. Incorrectly using any of these attributes can cause undefined behavior; you should always prefer to use safe, higher level attributes around them like `cortex-m-rt`'s `interrupt` and `exception` attributes.
->
-> In the particular case of RAM functions there's no safe abstraction for it in `cortex-m-rt` v0.6.5 but there's an [RFC] for adding a `ramfunc` attribute in a future release.
-
-[RFC]: https://github.com/rust-embedded/cortex-m-rt/pull/100
-
-The example below shows how to place the higher priority task, `bar`, in RAM.
-
-``` rust
-{{#include ../../../../rtic/examples/ramfunc.rs}}
-```
-
-Running this program produces the expected output.
-
-``` console
-$ cargo run --target thumbv7m-none-eabi --example ramfunc
-```
-
-``` console
-{{#include ../../../../rtic/ci/expected/ramfunc.run}}
-```
-
-One can look at the output of `cargo-nm` to confirm that `bar` ended in RAM
-(`0x2000_0000`), whereas `foo` ended in Flash (`0x0000_0000`).
-
-``` console
-$ cargo nm --example ramfunc --release | grep ' foo::'
-```
-
-``` console
-{{#include ../../../../rtic/ci/expected/ramfunc.run.grep.foo}}
-```
-
-``` console
-$ cargo nm --example ramfunc  --target thumbv7m-none-eabi --release | grep '*bar::'
-```
-
-``` console
-{{#include ../../../../rtic/ci/expected/ramfunc.run.grep.bar}}
-```