diff options
Diffstat (limited to 'cortex-m-rt/examples')
-rw-r--r-- | cortex-m-rt/examples/device.rs | 50 | ||||
-rw-r--r-- | cortex-m-rt/examples/main.rs | 28 | ||||
-rw-r--r-- | cortex-m-rt/examples/minimal.rs | 31 | ||||
-rw-r--r-- | cortex-m-rt/examples/state.rs | 38 |
4 files changed, 147 insertions, 0 deletions
diff --git a/cortex-m-rt/examples/device.rs b/cortex-m-rt/examples/device.rs new file mode 100644 index 0000000..cf91f21 --- /dev/null +++ b/cortex-m-rt/examples/device.rs @@ -0,0 +1,50 @@ +//! Manually create the interrupts portion of the vector table + +#![deny(unsafe_code)] +#![deny(warnings)] +#![no_main] +#![no_std] + +#[macro_use(entry, exception)] +extern crate cortex_m_rt as rt; +extern crate panic_semihosting; + +use rt::ExceptionFrame; + +// the program entry point +entry!(main); + +fn main() -> ! { + loop {} +} + +// the hard fault handler +exception!(HardFault, hard_fault); + +fn hard_fault(_ef: &ExceptionFrame) -> ! { + loop {} +} + +// the default exception handler +exception!(*, default_handler); + +fn default_handler(_irqn: i16) {} + +// interrupts portion of the vector table +pub union Vector { + handler: unsafe extern "C" fn(), + reserved: usize, +} + +extern "C" { + fn WWDG(); + fn PVD(); +} + +#[link_section = ".vector_table.interrupts"] +#[no_mangle] +pub static __INTERRUPTS: [Vector; 3] = [ + Vector { handler: WWDG }, + Vector { reserved: 0 }, + Vector { handler: PVD }, +]; diff --git a/cortex-m-rt/examples/main.rs b/cortex-m-rt/examples/main.rs new file mode 100644 index 0000000..d319249 --- /dev/null +++ b/cortex-m-rt/examples/main.rs @@ -0,0 +1,28 @@ +//! Directly plug a `main` symbol instead of using `entry!` + +#![deny(warnings)] +#![no_main] +#![no_std] + +#[macro_use(exception)] +extern crate cortex_m_rt as rt; +extern crate panic_semihosting; + +use rt::ExceptionFrame; + +#[no_mangle] +pub unsafe extern "C" fn main() -> ! { + loop {} +} + +// the hard fault handler +exception!(HardFault, hard_fault); + +fn hard_fault(_ef: &ExceptionFrame) -> ! { + loop {} +} + +// the default exception handler +exception!(*, default_handler); + +fn default_handler(_irqn: i16) {} diff --git a/cortex-m-rt/examples/minimal.rs b/cortex-m-rt/examples/minimal.rs new file mode 100644 index 0000000..c12d12d --- /dev/null +++ b/cortex-m-rt/examples/minimal.rs @@ -0,0 +1,31 @@ +//! Minimal `cortex-m-rt` based program + +#![deny(unsafe_code)] +#![deny(warnings)] +#![no_main] +#![no_std] + +#[macro_use(entry, exception)] +extern crate cortex_m_rt as rt; +extern crate panic_semihosting; + +use rt::ExceptionFrame; + +// the program entry point +entry!(main); + +fn main() -> ! { + loop {} +} + +// the hard fault handler +exception!(HardFault, hard_fault); + +fn hard_fault(_ef: &ExceptionFrame) -> ! { + loop {} +} + +// the default exception handler +exception!(*, default_handler); + +fn default_handler(_irqn: i16) {} diff --git a/cortex-m-rt/examples/state.rs b/cortex-m-rt/examples/state.rs new file mode 100644 index 0000000..0b5eeeb --- /dev/null +++ b/cortex-m-rt/examples/state.rs @@ -0,0 +1,38 @@ +//! Preserving state across executions of an exception handler + +#![deny(unsafe_code)] +#![deny(warnings)] +#![no_main] +#![no_std] + +#[macro_use(entry, exception)] +extern crate cortex_m_rt as rt; +extern crate panic_semihosting; + +use rt::ExceptionFrame; + +// the program entry point +entry!(main); + +fn main() -> ! { + loop {} +} + +// exception handler with state +exception!(SysTick, sys_tick, state: u32 = 0); + +fn sys_tick(state: &mut u32) { + *state += 1; +} + +// the hard fault handler +exception!(HardFault, hard_fault); + +fn hard_fault(_ef: &ExceptionFrame) -> ! { + loop {} +} + +// the default exception handler +exception!(*, default_handler); + +fn default_handler(_irqn: i16) {} |