⚠️ VeridianOS Kernel Documentation - This is low-level kernel code. All functions are unsafe unless explicitly marked otherwise. no_std

VgaConsole

Struct VgaConsole 

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pub struct VgaConsole { /* private fields */ }
Expand description

VGA text mode console driver

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impl VgaConsole

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pub fn new() -> Self

Create a new VGA console

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impl ConsoleDevice for VgaConsole

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fn name(&self) -> &str

Get console name
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fn dimensions(&self) -> (usize, usize)

Get console dimensions
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fn clear(&mut self) -> Result<(), KernelError>

Clear the screen
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fn write_char( &mut self, x: usize, y: usize, ch: ConsoleChar, ) -> Result<(), KernelError>

Write a character at position
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fn write_string( &mut self, x: usize, y: usize, s: &str, color: u8, ) -> Result<(), KernelError>

Write a string at position
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fn scroll_up(&mut self) -> Result<(), KernelError>

Scroll up by one line
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fn set_cursor(&mut self, x: usize, y: usize) -> Result<(), KernelError>

Set cursor position
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fn get_cursor(&self) -> (usize, usize)

Get cursor position
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fn set_cursor_visible(&mut self, visible: bool) -> Result<(), KernelError>

Show/hide cursor
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impl Default for VgaConsole

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fn default() -> Self

Returns the “default value” for a type. Read more
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impl Send for VgaConsole

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impl Sync for VgaConsole

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impl Freeze for VgaConsole

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impl RefUnwindSafe for VgaConsole

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impl Unpin for VgaConsole

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impl UnwindSafe for VgaConsole

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of [From]<T> for U chooses to do.

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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.