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--- rust [2024/07/13 07:57] – created river
+++ rust [2024/07/17 22:25] (current) – river
@@ Line 21: / Line 21: @@
 ''cargo embed'' seems to be corrupting the rtt output. Using probe-rs directly works better.
 e.g. ''probe-rs attach --chip STM32F429ZITx target/thumbv7em-none-eabihf/debug/disco-test''
 https://github.com/stm32-rs - peripheral access crates. Gives access to named registers, for all STM32s.
+===== Debug print, I/O Interfaces =====
+  * Semihosting
+  * RTT
+  * SWO
+  * UART
+RTT - works well with probe-rs, recommended. rprintln!
+Semihosting not recommended. An ARM thing, uses special instructions. Slow. hprintln!
+https://developer.arm.com/documentation/dui0471/g/Bgbjjgij
+===== RTOSen =====
+  * [[https://rtic.rs/2/book/en/|RTIC]]
+  * [[https://embassy.dev/|Embassy]]
+===== Learning material =====
+https://mikecoats.com/stm32-blinky-rust-part-2-debug/
+https://www.st.com/en/evaluation-tools/32f429idiscovery.html#documentation