Keypad mapping
This commit is contained in:
parent
2fb089fd03
commit
b5da325946
175
src/main.rs
175
src/main.rs
@ -115,37 +115,17 @@ fn main() -> ! {
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// .unwrap();
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driver.clear_frame(&mut spi, &mut delay).unwrap();
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let mut gpio2 = Input::new(io.pins.gpio2, Pull::Up);
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let mut gpio3 = Input::new(io.pins.gpio3, Pull::Up);
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let mut gpio4 = Input::new(io.pins.gpio4, Pull::Up);
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let mut gpio5 = Input::new(io.pins.gpio5, Pull::Up);
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let mut gpio6 = OutputOpenDrain::new(io.pins.gpio6, Level::Low, Pull::Up);
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let mut gpio7 = OutputOpenDrain::new(io.pins.gpio7, Level::Low, Pull::Up);
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let mut gpio8 = OutputOpenDrain::new(io.pins.gpio8, Level::Low, Pull::Up);
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let mut gpio10 = OutputOpenDrain::new(io.pins.gpio10, Level::Low, Pull::Up);
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let mut kbd = Keypad((
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(&mut gpio2, &mut gpio6),
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(&mut gpio3, &mut gpio6),
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(&mut gpio4, &mut gpio6),
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(&mut gpio5, &mut gpio6),
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// --------------------------------------
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(&mut gpio2, &mut gpio7),
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(&mut gpio3, &mut gpio7),
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(&mut gpio4, &mut gpio7),
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(&mut gpio5, &mut gpio7),
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// --------------------------------------
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(&mut gpio2, &mut gpio8),
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(&mut gpio3, &mut gpio8),
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(&mut gpio4, &mut gpio8),
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(&mut gpio5, &mut gpio8),
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// --------------------------------------
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(&mut gpio2, &mut gpio10),
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(&mut gpio3, &mut gpio10),
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(&mut gpio4, &mut gpio10),
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(&mut gpio5, &mut gpio10),
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));
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let mut kbd = Keypad {
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i1: Input::new(io.pins.gpio2, Pull::Up),
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i2: Input::new(io.pins.gpio3, Pull::Up),
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i3: Input::new(io.pins.gpio4, Pull::Up),
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i4: Input::new(io.pins.gpio5, Pull::Up),
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//---------------------------
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o1: OutputOpenDrain::new(io.pins.gpio6, Level::Low, Pull::Up),
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o2: OutputOpenDrain::new(io.pins.gpio7, Level::Low, Pull::Up),
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o3: OutputOpenDrain::new(io.pins.gpio8, Level::Low, Pull::Up),
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o4: OutputOpenDrain::new(io.pins.gpio10, Level::Low, Pull::Up),
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};
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let mut ctx = Context {
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button_pressed: None,
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@ -227,101 +207,62 @@ pub struct Context<'d> {
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pub spi: SPI<'d>,
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pub delay: Delay,
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}
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struct Rows<'d> {
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gpio2: Input<'d, Gpio2>, //
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gpio3: Input<'d, Gpio3>, //
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gpio4: Input<'d, Gpio4>, //
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gpio5: Input<'d, Gpio5>, //
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struct Keypad<'d> {
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o1: OutputOpenDrain<'d, Gpio6>, //
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o2: OutputOpenDrain<'d, Gpio7>, //
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o3: OutputOpenDrain<'d, Gpio8>, //
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o4: OutputOpenDrain<'d, Gpio10>, //
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// --------------------------------------
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i1: Input<'d, Gpio2>, //
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i2: Input<'d, Gpio3>, //
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i3: Input<'d, Gpio4>, //
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i4: Input<'d, Gpio5>, //
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}
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struct Cols<'d> {
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gpio6: OutputOpenDrain<'d, Gpio6>, //
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gpio7: OutputOpenDrain<'d, Gpio7>, //
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gpio8: OutputOpenDrain<'d, Gpio8>, //
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gpio10: OutputOpenDrain<'d, Gpio10>, //
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}
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pub type OOD<'d, T> = OutputOpenDrain<'d, T>;
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struct Keypad<'d>(
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pub (
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// --------------------------------------
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(&'d mut Input<'d, Gpio2>, &'d mut OOD<'d, Gpio6>),
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(&'d mut Input<'d, Gpio3>, &'d mut OOD<'d, Gpio6>),
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(&'d mut Input<'d, Gpio4>, &'d mut OOD<'d, Gpio6>),
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(&'d mut Input<'d, Gpio5>, &'d mut OOD<'d, Gpio6>),
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// --------------------------------------
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(&'d mut Input<'d, Gpio2>, &'d mut OOD<'d, Gpio7>),
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(&'d mut Input<'d, Gpio3>, &'d mut OOD<'d, Gpio7>),
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(&'d mut Input<'d, Gpio4>, &'d mut OOD<'d, Gpio7>),
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(&'d mut Input<'d, Gpio5>, &'d mut OOD<'d, Gpio7>),
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// --------------------------------------
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(&'d mut Input<'d, Gpio2>, &'d mut OOD<'d, Gpio8>),
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(&'d mut Input<'d, Gpio3>, &'d mut OOD<'d, Gpio8>),
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(&'d mut Input<'d, Gpio4>, &'d mut OOD<'d, Gpio8>),
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(&'d mut Input<'d, Gpio5>, &'d mut OOD<'d, Gpio8>),
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// --------------------------------------
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(&'d mut Input<'d, Gpio2>, &'d mut OOD<'d, Gpio10>),
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(&'d mut Input<'d, Gpio3>, &'d mut OOD<'d, Gpio10>),
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(&'d mut Input<'d, Gpio4>, &'d mut OOD<'d, Gpio10>),
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(&'d mut Input<'d, Gpio5>, &'d mut OOD<'d, Gpio10>),
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),
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);
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impl<'d> Keypad<'d> {
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pub fn pressed(&mut self) -> Option<Button> {
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let col1 = [
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self.0 .0.is_low(),
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self.0 .1.is_low(),
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self.0 .2.is_low(),
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self.0 .3.is_low(),
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];
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let col2 = [
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self.0 .4.is_low(),
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self.0 .5.is_low(),
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self.0 .6.is_low(),
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self.0 .7.is_low(),
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];
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let col3 = [
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self.0 .8.is_low(),
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self.0 .9.is_low(),
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self.0 .10.is_low(),
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self.0 .11.is_low(),
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];
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let col4 = [
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self.0 .12.is_low(),
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self.0 .13.is_low(),
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self.0 .14.is_low(),
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self.0 .15.is_low(),
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];
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let res: [[bool; 4]; 4] = core::array::from_fn(|x| {
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core::array::from_fn(|y| {
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self.set_high(x as u8);
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let v = self.is_low(y as u8);
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self.set_low(x as u8);
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v
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})
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});
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if col1.iter().any(|b| !b)
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|| col2.iter().any(|b| !b)
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|| col3.iter().any(|b| !b)
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|| col4.iter().any(|b| !b)
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{
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if res.iter().any(|a| a.iter().any(|b| !b)) {
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println!("***************************************");
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println!("col1 {col1:?}");
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println!("col2 {col2:?}");
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println!("col3 {col3:?}");
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println!("col4 {col4:?}");
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for a in res {
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println!("col {a:?}");
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}
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}
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None
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}
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}
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trait KeyboardInput<'d> {
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fn is_low(&mut self) -> bool;
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fn is_high(&mut self) -> bool {
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!self.is_low()
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fn set_high(&mut self, o: u8) {
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match o {
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0 => self.o1.set_high(),
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1 => self.o2.set_high(),
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2 => self.o3.set_high(),
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3 => self.o4.set_high(),
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_ => {}
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};
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}
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fn set_low(&mut self, o: u8) {
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match o {
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0 => self.o1.set_low(),
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1 => self.o2.set_low(),
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2 => self.o3.set_low(),
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3 => self.o4.set_low(),
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_ => {}
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};
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}
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fn is_low(&mut self, o: u8) -> bool {
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match o {
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0 => self.i1.is_low(),
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1 => self.i2.is_low(),
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2 => self.i3.is_low(),
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3 => self.i4.is_low(),
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_ => false,
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}
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}
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impl<'d, C: InputPin, R: OutputPin + InputPin> KeyboardInput<'d>
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for (&'d mut Input<'d, C>, &'d mut OutputOpenDrain<'d, R>)
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{
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fn is_low(&mut self) -> bool {
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self.1.set_low();
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let s = self.0.is_low();
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self.1.set_high();
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s
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}
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}
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