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stm32f4disc-demo
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Make the `led_ring` module work with output pins 

This ensures that we can test the module by replacing real (board)
output pins by mock ones and test the module.
This commit is contained in:
Paul van Tilburg 2019-04-06 17:38:03 +02:00
parent 80fabf85e8
commit 3730032ee6
Signed by: paul
GPG Key ID: C6DE073EDA9EEC4D
1 changed files with 9 additions and 5 deletions
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14
src/led_ring.rs
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@ -1,5 +1,6 @@
//! Module for manipulating the LED ring.
use hal::prelude::_embedded_hal_digital_OutputPin as OutputPin;
/// The cycle direction of the LED ring.
///
@ -36,9 +37,9 @@ pub enum Mode {
/// The LED ring.
///
/// The ring on this board is comprised of four LEDs. This struct provides methods
/// The ring on this board is comprised of four LEDs (output pins). This struct provides methods
/// for animating them.
pub struct LedRing {
pub struct LedRing<LED> {
/// The current cycle direction.
direction: Direction,
/// The current mode.
@ -46,12 +47,15 @@ pub struct LedRing {
/// The index of the current LED being lit.
index: usize,
/// The LED outputs being used to comprise the LED ring.
leds: [crate::Led; 4],
leds: [LED; 4],
}
impl LedRing {
impl<LED> LedRing<LED>
where
LED: OutputPin,
{
/// Sets up the LED ring using using four LED GPIO outputs.
pub fn from(leds: [Led; 4]) -> LedRing {
pub fn from(leds: [LED; 4]) -> LedRing<LED> {
LedRing {
direction: Direction::Clockwise,
mode: Mode::Cycle,