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add safe bindings for eadk_event_get and eadk_keyboard_scan #17

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add safe bindings for eadk_event_get and eadk_keyboard_scan #17

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260 changes: 253 additions & 7 deletions src/eadk.rs
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Original file line number Diff line number Diff line change
@@ -1,14 +1,14 @@
#[repr(C)]
pub struct Color {
pub rgb565: u16
pub rgb565: u16,
}

#[repr(C)]
pub struct Rect {
pub x: u16,
pub y: u16,
pub width: u16,
pub height: u16
pub height: u16,
}

pub mod backlight {
Expand All @@ -27,12 +27,11 @@ pub mod backlight {
fn eadk_backlight_set_brightness(brightness: u8);
fn eadk_backlight_brightness() -> u8;
}

}

pub mod display {
use super::Rect;
use super::Color;
use super::Rect;

pub fn push_rect(rect: Rect, pixels: &[Color]) {
unsafe {
Expand Down Expand Up @@ -86,15 +85,262 @@ pub mod timing {
}

pub fn random() -> u32 {
unsafe {
return eadk_random()
}
unsafe { return eadk_random() }
}

extern "C" {
fn eadk_random() -> u32;
}

pub mod input {
type EadkKeyboardState = u64;

#[allow(dead_code)]
#[derive(Clone, Copy, PartialEq, Eq)]
#[repr(u8)]
pub enum Key {
Left = 0,
Up = 1,
Down = 2,
Right = 3,
Ok = 4,
Back = 5,
Home = 6,
OnOff = 8,
Shift = 12,
Alpha = 13,
Xnt = 14,
Var = 15,
Toolbox = 16,
Backspace = 17,
Exp = 18,
Ln = 19,
Log = 20,
Imaginary = 21,
Comma = 22,
Power = 23,
Sine = 24,
Cosine = 25,
Tangent = 26,
Pi = 27,
Sqrt = 28,
Square = 29,
Seven = 30,
Eight = 31,
Nine = 32,
LeftParenthesis = 33,
RightParenthesis = 34,
Four = 36,
Five = 37,
Six = 38,
Multiplication = 39,
Division = 40,
One = 42,
Two = 43,
Three = 44,
Plus = 45,
Minus = 46,
Zero = 48,
Dot = 49,
Ee = 50,
Ans = 51,
Exe = 52,
}

extern "C" {
fn eadk_keyboard_scan() -> EadkKeyboardState;
}

#[derive(Clone, Copy)]
pub struct KeyboardState(EadkKeyboardState);

impl KeyboardState {
pub fn scan() -> Self {
Self::from_raw(unsafe { eadk_keyboard_scan() })
}

pub fn from_raw(state: EadkKeyboardState) -> Self {
Self(state)
}

pub fn key_down(&self, key: Key) -> bool {
(self.0 >> (key as u8)) & 1 != 0
}
}

#[allow(dead_code)]
#[derive(Clone, Copy, PartialEq, Eq)]
#[repr(u16)]
pub enum Event {
Left = 0,
Up = 1,
Down = 2,
Right = 3,
Ok = 4,
Back = 5,
Shift = 12,
Alpha = 13,
Xnt = 14,
Var = 15,
Toolbox = 16,
Backspace = 17,
Exp = 18,
Ln = 19,
Log = 20,
Imaginary = 21,
Comma = 22,
Power = 23,
Sine = 24,
Cosine = 25,
Tangent = 26,
Pi = 27,
Sqrt = 28,
Square = 29,
Seven = 30,
Eight = 31,
Nine = 32,
LeftParenthesis = 33,
RightParenthesis = 34,
Four = 36,
Five = 37,
Six = 38,
Multiplication = 39,
Division = 40,
One = 42,
Two = 43,
Three = 44,
Plus = 45,
Minus = 46,
Zero = 48,
Dot = 49,
Ee = 50,
Ans = 51,
Exe = 52,
ShiftLeft = 54,
ShiftUp = 55,
ShiftDown = 56,
ShiftRight = 57,
AlphaLock = 67,
Cut = 68,
Copy = 69,
Paste = 70,
Clear = 71,
LeftBracket = 72,
RightBracket = 73,
LeftBrace = 74,
RightBrace = 75,
Underscore = 76,
Sto = 77,
Arcsine = 78,
Arccosine = 79,
Arctangent = 80,
Equal = 81,
Lower = 82,
Greater = 83,
Colon = 122,
Semicolon = 123,
DoubleQuotes = 124,
Percent = 125,
LowerA = 126,
LowerB = 127,
LowerC = 128,
LowerD = 129,
LowerE = 130,
LowerF = 131,
LowerG = 132,
LowerH = 133,
LowerI = 134,
LowerJ = 135,
LowerK = 136,
LowerL = 137,
LowerM = 138,
LowerN = 139,
LowerO = 140,
LowerP = 141,
LowerQ = 142,
LowerR = 144,
LowerS = 145,
LowerT = 146,
LowerU = 147,
LowerV = 148,
LowerW = 150,
LowerX = 151,
LowerY = 152,
LowerZ = 153,
Space = 154,
Question = 156,
Exclamation = 157,
UpperA = 180,
UpperB = 181,
UpperC = 182,
UpperD = 183,
UpperE = 184,
UpperF = 185,
UpperG = 186,
UpperH = 187,
UpperI = 188,
UpperJ = 189,
UpperK = 190,
UpperL = 191,
UpperM = 192,
UpperN = 193,
UpperO = 194,
UpperP = 195,
UpperQ = 196,
UpperR = 198,
UpperS = 199,
UpperT = 200,
UpperU = 201,
UpperV = 202,
UpperW = 204,
UpperX = 205,
UpperY = 206,
UpperZ = 207,
}

impl Event {
pub fn is_digit(&self) -> bool {
matches!(
self,
Event::Zero
| Event::One
| Event::Two
| Event::Three
| Event::Four
| Event::Five
| Event::Six
| Event::Seven
| Event::Eight
| Event::Nine
)
}

pub fn to_digit(&self) -> Option<u8> {
match self {
Event::Zero => Some(0),
Event::One => Some(1),
Event::Two => Some(2),
Event::Three => Some(3),
Event::Four => Some(4),
Event::Five => Some(5),
Event::Six => Some(6),
Event::Seven => Some(7),
Event::Eight => Some(8),
Event::Nine => Some(9),
_ => None,
}
}
}

extern "C" {
fn eadk_event_get(timeout: &i32) -> Event;
}

pub fn event_get(timeout: i32) -> Event {
unsafe { eadk_event_get(&timeout) }
}
}

use core::panic::PanicInfo;

#[panic_handler]
Expand Down