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authorGravatar Jorge Aparicio <jorge@japaric.io> 2018-11-03 17:02:41 +0100
committerGravatar Jorge Aparicio <jorge@japaric.io> 2018-11-03 17:16:55 +0100
commitc631049efcadca8b07940c794cce2be58fa48444 (patch)
treef6bd73e5c396fc06072557ee965cc59e9c8e3e9f /examples/generics.rs
parent653338e7997a0cdc5deaed98b1bb5f60006717ed (diff)
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v0.4.0
closes #32 closes #33
Diffstat (limited to 'examples/generics.rs')
-rw-r--r--examples/generics.rs73
1 files changed, 0 insertions, 73 deletions
diff --git a/examples/generics.rs b/examples/generics.rs
deleted file mode 100644
index aceba1a9..00000000
--- a/examples/generics.rs
+++ /dev/null
@@ -1,73 +0,0 @@
-//! Working with resources in a generic fashion
-#![deny(unsafe_code)]
-#![deny(warnings)]
-#![no_std]
-
-extern crate cortex_m_rtfm as rtfm;
-extern crate stm32f103xx;
-
-use rtfm::{app, Resource, Threshold};
-use stm32f103xx::{GPIOA, SPI1};
-
-app! {
- device: stm32f103xx,
-
- resources: {
- static GPIOA: GPIOA;
- static SPI1: SPI1;
- },
-
- tasks: {
- EXTI0: {
- path: exti0,
- priority: 1,
- resources: [GPIOA, SPI1],
- },
-
- EXTI1: {
- path: exti1,
- priority: 2,
- resources: [GPIOA, SPI1],
- },
- },
-}
-
-fn init(p: init::Peripherals) -> init::LateResources {
- init::LateResources {
- GPIOA: p.device.GPIOA,
- SPI1: p.device.SPI1,
- }
-}
-
-fn idle() -> ! {
- loop {
- rtfm::wfi();
- }
-}
-
-// A generic function that uses some resources
-fn work<G, S>(t: &mut Threshold, gpioa: &G, spi1: &S)
-where
- G: Resource<Data = GPIOA>,
- S: Resource<Data = SPI1>,
-{
- gpioa.claim(t, |_gpioa, t| {
- // drive NSS low
-
- spi1.claim(t, |_spi1, _| {
- // transfer data
- });
-
- // drive NSS high
- });
-}
-
-// This task needs critical sections to access the resources
-fn exti0(t: &mut Threshold, r: EXTI0::Resources) {
- work(t, &r.GPIOA, &r.SPI1);
-}
-
-// This task has direct access to the resources
-fn exti1(t: &mut Threshold, r: EXTI1::Resources) {
- work(t, &r.GPIOA, &r.SPI1);
-}