fw-rust: Add setup screen and handle button input
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To create a setup screen more symbols are created and added to the symbol table. Helper functions are added to draw homogenous areas onto the display. Add two new fields `Click` and `Back` to the `Input` enum. Adapt functions already handling input to those new kinds of input. Add the setup screen construct. Add global atomics to handle the button and the timer for handling the back input when the button is pressed until the timer one overflows. Button press and the timer are handled via interrupts.
This commit is contained in:
parent
0003717408
commit
91e120b258
1 changed files with 236 additions and 12 deletions
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@ -133,6 +133,21 @@ const SYM_9: [&[u8]; 2] = [
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&[0x1C, 0x3D, 0x31, 0x3F, 0x1F],
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];
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// TODO: Use https://github.com/rust-lang/rust/issues/85077 when stabilized
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const SYM_COLON: [&[u8]; 2] = [&[0x30, 0x30], &[0x0C, 0x0C]];
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// TODO: Use https://github.com/rust-lang/rust/issues/85077 when stabilized
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const SYM_A: [&[u8]; 2] = [
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&[0xC0, 0xF0, 0x3C, 0x3C, 0xF0, 0xC0],
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&[0x3F, 0x3F, 0x06, 0x06, 0x3F, 0x3F],
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];
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// TODO: Use https://github.com/rust-lang/rust/issues/85077 when stabilized
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const SYM_B: [&[u8]; 2] = [
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&[0xFC, 0xFC, 0x8C, 0x8C, 0xFC, 0x78],
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&[0x3F, 0x3F, 0x31, 0x31, 0x3F, 0x1E],
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];
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// TODO: Use https://github.com/rust-lang/rust/issues/85077 when stabilized
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const SYM_C: [&[u8]; 2] = [
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&[0xF8, 0xFC, 0x0C, 0x1C, 0x18],
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@ -145,18 +160,57 @@ const SYM_E: [&[u8]; 2] = [
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&[0x3F, 0x3F, 0x31, 0x31, 0x30, 0x30],
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];
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// TODO: Use https://github.com/rust-lang/rust/issues/85077 when stabilized
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const SYM_G: [&[u8]; 2] = [
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&[0xF8, 0xFC, 0x0C, 0x0C, 0x3C, 0x38],
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&[0x1F, 0x3F, 0x30, 0x33, 0x3F, 0x1F],
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];
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// TODO: Use https://github.com/rust-lang/rust/issues/85077 when stabilized
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const SYM_H: [&[u8]; 2] = [
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&[0xFC, 0xFC, 0x80, 0x80, 0xFC, 0xFC],
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&[0x3F, 0x3F, 0x01, 0x01, 0x3F, 0x3F],
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];
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// TODO: Use https://github.com/rust-lang/rust/issues/85077 when stabilized
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const SYM_I: [&[u8]; 2] = [&[0x0C, 0xFC, 0xFC, 0x0C], &[0x30, 0x3F, 0x3F, 0x30]];
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// TODO: Use https://github.com/rust-lang/rust/issues/85077 when stabilized
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const SYM_K: [&[u8]; 2] = [
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&[0xFC, 0xFC, 0xC0, 0xF0, 0x7C, 0x1C],
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&[0x3F, 0x3F, 0x03, 0x0F, 0x3E, 0x38],
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];
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// TODO: Use https://github.com/rust-lang/rust/issues/85077 when stabilized
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const SYM_L: [&[u8]; 2] = [
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&[0xFC, 0xFC, 0x00, 0x00, 0x00],
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&[0x3F, 0x3F, 0x30, 0x30, 0x30],
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];
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// TODO: Use https://github.com/rust-lang/rust/issues/85077 when stabilized
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const SYM_N: [&[u8]; 2] = [
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&[0xFC, 0xFC, 0xF0, 0xC0, 0x00, 0xFC, 0xFC],
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&[0x3F, 0x3F, 0x00, 0x03, 0x0F, 0x3F, 0x3F],
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];
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// TODO: Use https://github.com/rust-lang/rust/issues/85077 when stabilized
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const SYM_O: [&[u8]; 2] = [
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&[0xF8, 0xFC, 0x0C, 0x0C, 0xFC, 0xF8],
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&[0x1F, 0x3F, 0x30, 0x30, 0x3F, 0x1F],
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];
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// TODO: Use https://github.com/rust-lang/rust/issues/85077 when stabilized
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const SYM_P: [&[u8]; 2] = [
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&[0xFC, 0xFC, 0x8C, 0x8C, 0xFC, 0xF8],
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&[0x3F, 0x3F, 0x01, 0x01, 0x01, 0x00],
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];
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// TODO: Use https://github.com/rust-lang/rust/issues/85077 when stabilized
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const SYM_R: [&[u8]; 2] = [
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&[0xFC, 0xFC, 0x8C, 0x8C, 0xFC, 0xF8],
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&[0x3F, 0x3F, 0x01, 0x03, 0x3F, 0x3E],
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];
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// TODO: Use https://github.com/rust-lang/rust/issues/85077 when stabilized
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const SYM_S: [&[u8]; 2] = [
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&[0xF8, 0xFC, 0x8C, 0x8C, 0x9C, 0x18],
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@ -193,31 +247,31 @@ const SYMBOL_TABLE: [&[&[u8]; 2]; 48] = [
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&SYM_7, // '7'
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&SYM_8, // '8'
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&SYM_9, // '9'
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&SYM_INVALID, // ':'
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&SYM_COLON, // ':'
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&SYM_INVALID, // ';'
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&SYM_INVALID, // '<'
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&SYM_INVALID, // '='
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&SYM_INVALID, // '>'
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&SYM_INVALID, // '?'
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&SYM_INVALID, // '@'
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&SYM_INVALID, // 'A'
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&SYM_INVALID, // 'B'
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&SYM_A, // 'A'
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&SYM_B, // 'B'
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&SYM_C, // 'C'
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&SYM_INVALID, // 'D'
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&SYM_E, // 'E'
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&SYM_INVALID, // 'F'
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&SYM_INVALID, // 'G'
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&SYM_G, // 'G'
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&SYM_H, // 'H'
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&SYM_INVALID, // 'I'
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&SYM_I, // 'I'
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&SYM_INVALID, // 'J'
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&SYM_INVALID, // 'K'
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&SYM_INVALID, // 'L'
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&SYM_K, // 'K'
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&SYM_L, // 'L'
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&SYM_INVALID, // 'M'
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&SYM_INVALID, // 'N'
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&SYM_INVALID, // 'O'
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&SYM_N, // 'N'
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&SYM_O, // 'O'
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&SYM_P, // 'P'
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&SYM_INVALID, // 'Q'
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&SYM_INVALID, // 'R'
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&SYM_R, // 'R'
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&SYM_S, // 'S'
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&SYM_T, // 'T'
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&SYM_U, // 'U'
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@ -297,6 +351,33 @@ impl Lcd {
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}
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}
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fn fill(&mut self, segment: u8, page: u8, width: u8, data: u8) {
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assert!(segment + width <= 102);
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let mut delay = Delay::<MHz8>::new();
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self.move_cursor(segment, page);
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// TODO: This delay fixes issues, try find a better solution
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delay.delay_ms(1_u8);
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self.cd.set_high();
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for _ in 0..width {
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block!(self.spi.send(data)).unwrap();
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}
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// TODO: This delay fixes issues, try find a better solution
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delay.delay_ms(1_u8);
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self.cd.set_low();
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}
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fn fill_area(&mut self, segment: u8, page: u8, width: u8, height: u8, data: u8) {
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assert!(page + height <= 8);
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for i in 0..height {
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self.fill(segment, page + i, width, data);
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}
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}
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fn print(&mut self, segment: u8, page: u8, string: &str) {
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let mut delay = Delay::<MHz8>::new();
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@ -360,6 +441,9 @@ impl Lcd {
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Screens::Home(home) => {
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home.draw(self);
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}
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Screens::Setup(setup) => {
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setup.draw(self);
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}
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}
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});
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}
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@ -368,6 +452,8 @@ impl Lcd {
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enum Input {
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Next,
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Previous,
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Select,
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Back,
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}
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pub trait Draw {
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@ -438,18 +524,26 @@ impl HomeScreen {
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HomeSelection::Ch1 => match input {
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Input::Next => HomeSelection::Ch2,
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Input::Previous => HomeSelection::Setup,
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Input::Select => return Screens::Splash(SplashScreen),
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Input::Back => HomeSelection::Ch1,
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},
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HomeSelection::Ch2 => match input {
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Input::Next => HomeSelection::Ch3,
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Input::Previous => HomeSelection::Ch1,
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Input::Select => return Screens::Splash(SplashScreen),
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Input::Back => HomeSelection::Ch2,
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},
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HomeSelection::Ch3 => match input {
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Input::Next => HomeSelection::Setup,
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Input::Previous => HomeSelection::Ch2,
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Input::Select => return Screens::Splash(SplashScreen),
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Input::Back => HomeSelection::Ch3,
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},
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HomeSelection::Setup => match input {
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Input::Next => HomeSelection::Ch1,
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Input::Previous => HomeSelection::Ch3,
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Input::Select => return Screens::Setup(SetupScreen::new()),
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Input::Back => HomeSelection::Setup,
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},
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},
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})
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@ -487,9 +581,84 @@ impl Draw for HomeScreen {
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}
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}
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enum SetupSelection {
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Contrast,
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Backlight,
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Back,
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}
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struct SetupScreen {
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active: SetupSelection,
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}
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impl SetupScreen {
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fn new() -> Self {
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Self {
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active: SetupSelection::Contrast,
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}
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}
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fn input(&self, input: &Input) -> Screens {
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Screens::Setup(Self {
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active: match self.active {
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SetupSelection::Contrast => match input {
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Input::Next => SetupSelection::Backlight,
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Input::Previous => SetupSelection::Back,
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Input::Select => return Screens::Splash(SplashScreen),
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Input::Back => return Screens::Home(HomeScreen::new()),
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},
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SetupSelection::Backlight => match input {
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Input::Next => SetupSelection::Back,
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Input::Previous => SetupSelection::Contrast,
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Input::Select => return Screens::Splash(SplashScreen),
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Input::Back => return Screens::Home(HomeScreen::new()),
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},
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SetupSelection::Back => match input {
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Input::Next => SetupSelection::Contrast,
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Input::Previous => SetupSelection::Backlight,
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Input::Select => return Screens::Home(HomeScreen::new()),
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Input::Back => return Screens::Home(HomeScreen::new()),
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},
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},
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})
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}
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}
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impl Draw for SetupScreen {
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fn draw(&self, lcd: &mut Lcd) {
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match &self.active {
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SetupSelection::Contrast => {
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lcd.fill_area(0, 0, 33, 2, 0xFF);
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lcd.print_inverted(33, 0, "SETUP");
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lcd.fill_area(69, 0, 33, 2, 0xFF);
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lcd.print_inverted(0, 2, "CONTRAST:");
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lcd.print(0, 4, "BACKLIGHT:");
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lcd.print(36, 6, "BACK");
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}
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SetupSelection::Backlight => {
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lcd.fill_area(0, 0, 33, 2, 0xFF);
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lcd.print_inverted(33, 0, "SETUP");
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lcd.fill_area(69, 0, 33, 2, 0xFF);
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lcd.print(0, 2, "CONTRAST:");
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lcd.print_inverted(0, 4, "BACKLIGHT:");
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lcd.print(36, 6, "BACK");
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}
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SetupSelection::Back => {
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lcd.fill_area(0, 0, 33, 2, 0xFF);
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lcd.print_inverted(33, 0, "SETUP");
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lcd.fill_area(69, 0, 33, 2, 0xFF);
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lcd.print(0, 2, "CONTRAST:");
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lcd.print(0, 4, "BACKLIGHT:");
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lcd.print_inverted(36, 6, "BACK");
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}
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}
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}
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}
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enum Screens {
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Splash(SplashScreen),
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Home(HomeScreen),
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Setup(SetupScreen),
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}
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impl Screens {
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@ -497,11 +666,14 @@ impl Screens {
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match self {
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Screens::Splash(_) => {}
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Screens::Home(home) => *self = home.input(input),
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Screens::Setup(setup) => *self = setup.input(input),
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}
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}
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}
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static UPDATE_ENCODER: AtomicBool = AtomicBool::new(false);
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static UPDATE_BUTTON: AtomicBool = AtomicBool::new(false);
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static UPDATE_TIMER: AtomicBool = AtomicBool::new(false);
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#[interrupt(atmega328p)]
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#[allow(non_snake_case)]
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@ -511,6 +683,22 @@ fn PCINT0() {
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})
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}
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#[interrupt(atmega328p)]
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#[allow(non_snake_case)]
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fn PCINT1() {
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interrupt::free(|_cs| {
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UPDATE_BUTTON.store(true, Ordering::SeqCst);
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})
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}
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#[interrupt(atmega328p)]
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#[allow(non_snake_case)]
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fn TIMER1_COMPA() {
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interrupt::free(|_cs| {
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UPDATE_TIMER.store(true, Ordering::SeqCst);
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})
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}
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#[atmega_hal::entry]
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fn main() -> ! {
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// Get peripherals, pins, eeprom and delay
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@ -568,9 +756,18 @@ fn main() -> ! {
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let mut encoder = Rotary::new(pins.pb6.into_pull_up_input(), pins.pb7.into_pull_up_input());
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encoder.update();
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// Enable interrupts for encoder // TODO: and switch
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dp.EXINT.pcicr.write(|w| w.pcie().bits(0b0000_0001));
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// Init button
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let button = pins.pc0.into_pull_up_input();
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// Init Timer/Counter1
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let tc1 = dp.TC1;
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tc1.ocr1a.write(|w| unsafe { w.bits(65535) });
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// Enable interrupts for encoder, button and timer
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dp.EXINT.pcicr.write(|w| w.pcie().bits(0b0000_0011));
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dp.EXINT.pcmsk0.write(|w| w.pcint().bits(0b1100_0000));
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dp.EXINT.pcmsk1.write(|w| w.pcint().bits(0b0000_0001));
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tc1.timsk1.write(|w| w.ocie1a().set_bit());
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// Create screen
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let mut screen = Screens::Splash(SplashScreen);
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@ -613,6 +810,33 @@ fn main() -> ! {
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})
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}
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if UPDATE_TIMER.load(Ordering::SeqCst) {
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tc1.tccr1b.write(|w| w.cs1().no_clock());
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screen.input(&Input::Back);
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update_screen = true;
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UPDATE_TIMER.store(false, Ordering::SeqCst);
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}
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if UPDATE_BUTTON.load(Ordering::SeqCst) {
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delay.delay_ms(2_u8);
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if button.is_low() {
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// Press
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if tc1.tccr1b.read().cs1().is_no_clock() {
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tc1.tcnt1.write(|w| unsafe { w.bits(0) });
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tc1.tccr1b.write(|w| w.cs1().prescale_64());
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}
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} else {
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// Release
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if tc1.tccr1b.read().cs1().is_prescale_64() {
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tc1.tccr1b.write(|w| w.cs1().no_clock());
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screen.input(&Input::Select);
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update_screen = true;
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}
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}
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UPDATE_BUTTON.store(false, Ordering::SeqCst);
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}
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if update_screen {
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lcd.draw(&screen);
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update_screen = false;
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