[−][src]Crate cortex_m
Low level access to Cortex-M processors
This crate provides:
- Access to core peripherals like NVIC, SCB and SysTick.
- Access to core registers like CONTROL, MSP and PSR.
- Interrupt manipulation mechanisms
- Safe wrappers around Cortex-M specific instructions like
bkpt
Optional features
inline-asm
When this feature is enabled the implementation of all the functions inside the asm
and
register
modules use inline assembly (asm!
) instead of external assembly (FFI into separate
assembly files pre-compiled using arm-none-eabi-gcc
). The advantages of enabling inline-asm
are:
-
Reduced overhead. FFI eliminates the possibility of inlining so all operations include a function call overhead when
inline-asm
is not enabled. -
Some of the
register
API only becomes available only wheninline-asm
is enabled. Check the API docs for details.
The disadvantage is that inline-asm
requires a nightly toolchain.
const-fn
Enabling this feature turns the Mutex.new
constructor into a const fn
.
This feature requires a nightly toolchain.
Re-exports
pub use peripheral::Peripherals; |
Modules
asm |
Miscellaneous assembly instructions |
interrupt |
Interrupts |
itm |
Instrumentation Trace Macrocell |
peripheral |
Core peripherals |
register |
Processor core registers |
Macros
iprint |
Macro for sending a formatted string through an ITM channel |
iprintln |
Macro for sending a formatted string through an ITM channel, with a newline. |
singleton |
Macro to create a mutable reference to a statically allocated value |