diff options
| -rw-r--r-- | book/en/src/migration.md | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/book/en/src/migration.md b/book/en/src/migration.md index a014c069..b1e8aefd 100644 --- a/book/en/src/migration.md +++ b/book/en/src/migration.md @@ -192,7 +192,9 @@ the `monotonic = rtfm::cyccnt::CYCCNT` argument to the `#[rtfm::app]` attribute. Also, the `Duration` and `Instant` types and the `U32Ext` trait have been moved into the `rtfm::cyccnt` module. This module is only available on ARMv7-M+ -devices. +devices. The removal of the `timer-queue` also brings back the `DWT` peripheral +inside the core peripherals struct, this will need to be enabled by the application +inside `init`. Change this: @@ -217,6 +219,12 @@ use rtfm::cyccnt::{Duration, Instant, U32Ext}; #[rtfm::app(/* .. */, monotonic = rtfm::cyccnt::CYCCNT)] // ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ const APP: () = { + #[init] + fn init(cx: init::Context) { + cx.core.DWT.enable_cycle_counter(); + // optional, configure the DWT run without a debugger connected + cx.core.DCB.enable_trace(); + } #[task(schedule = [b])] fn a(cx: a::Context) { // .. |