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use crate::{
command::{AddrMode, Command, VcomhLevel},
displayrotation::DisplayRotation,
displaysize::DisplaySize,
interface::DisplayInterface,
};
pub struct DisplayProperties<DI> {
iface: DI,
display_size: DisplaySize,
display_rotation: DisplayRotation,
pub(crate) display_offset: (u8, u8),
addr_mode: AddrMode,
}
impl<DI> DisplayProperties<DI>
where
DI: DisplayInterface,
{
pub fn new(
iface: DI,
display_size: DisplaySize,
display_rotation: DisplayRotation,
) -> DisplayProperties<DI> {
let display_offset = match display_size {
DisplaySize::Display128x64 => (0, 0),
DisplaySize::Display128x32 => (0, 0),
DisplaySize::Display96x16 => (0, 0),
DisplaySize::Display72x40 => (28, 0),
DisplaySize::Display64x48 => (32, 0),
};
DisplayProperties {
iface,
display_size,
display_rotation,
display_offset,
addr_mode: AddrMode::Page,
}
}
pub fn init_column_mode(&mut self) -> Result<(), DI::Error> {
self.init_with_mode(AddrMode::Horizontal)
}
pub fn init_with_mode(&mut self, mode: AddrMode) -> Result<(), DI::Error> {
let (_, display_height) = self.display_size.dimensions();
let display_rotation = self.display_rotation;
Command::DisplayOn(false).send(&mut self.iface)?;
Command::DisplayClockDiv(0x8, 0x0).send(&mut self.iface)?;
Command::Multiplex(display_height - 1).send(&mut self.iface)?;
Command::DisplayOffset(0).send(&mut self.iface)?;
Command::StartLine(0).send(&mut self.iface)?;
Command::ChargePump(true).send(&mut self.iface)?;
Command::AddressMode(mode).send(&mut self.iface)?;
self.set_rotation(display_rotation)?;
match self.display_size {
DisplaySize::Display128x32 => Command::ComPinConfig(false, false).send(&mut self.iface),
DisplaySize::Display128x64 => Command::ComPinConfig(true, false).send(&mut self.iface),
DisplaySize::Display96x16 => Command::ComPinConfig(false, false).send(&mut self.iface),
DisplaySize::Display72x40 => Command::ComPinConfig(true, false).send(&mut self.iface),
DisplaySize::Display64x48 => Command::ComPinConfig(true, false).send(&mut self.iface),
}?;
Command::Contrast(0x8F).send(&mut self.iface)?;
Command::PreChargePeriod(0x1, 0xF).send(&mut self.iface)?;
Command::VcomhDeselect(VcomhLevel::Auto).send(&mut self.iface)?;
Command::AllOn(false).send(&mut self.iface)?;
Command::Invert(false).send(&mut self.iface)?;
Command::EnableScroll(false).send(&mut self.iface)?;
Command::DisplayOn(true).send(&mut self.iface)?;
self.addr_mode = mode;
Ok(())
}
pub fn change_mode(&mut self, mode: AddrMode) -> Result<(), DI::Error> {
Command::AddressMode(mode).send(&mut self.iface)?;
self.addr_mode = mode;
Ok(())
}
pub fn set_draw_area(&mut self, start: (u8, u8), end: (u8, u8)) -> Result<(), DI::Error> {
match self.addr_mode {
AddrMode::Page => panic!("Device cannot be in Page mode to set draw area"),
_ => {
Command::ColumnAddress(start.0, end.0 - 1).send(&mut self.iface)?;
Command::PageAddress(start.1.into(), (end.1 - 1).into()).send(&mut self.iface)?;
Ok(())
}
}
}
pub fn set_column(&mut self, column: u8) -> Result<(), DI::Error> {
match self.addr_mode {
AddrMode::Page => Command::ColStart(column).send(&mut self.iface),
_ => panic!("Device must be in Page mode to set column"),
}
}
pub fn set_row(&mut self, row: u8) -> Result<(), DI::Error> {
match self.addr_mode {
AddrMode::Page => Command::PageStart(row.into()).send(&mut self.iface),
_ => panic!("Device must be in Page mode to set row"),
}
}
pub fn draw(&mut self, buffer: &[u8]) -> Result<(), DI::Error> {
self.iface.send_data(&buffer)
}
pub fn bounded_draw(
&mut self,
buffer: &[u8],
disp_width: usize,
upper_left: (u8, u8),
lower_right: (u8, u8),
) -> Result<(), DI::Error> {
self.iface
.send_bounded_data(&buffer, disp_width, upper_left, lower_right)
}
pub fn get_size(&self) -> DisplaySize {
self.display_size
}
pub fn get_dimensions(&self) -> (u8, u8) {
let (w, h) = self.display_size.dimensions();
match self.display_rotation {
DisplayRotation::Rotate0 | DisplayRotation::Rotate180 => (w, h),
DisplayRotation::Rotate90 | DisplayRotation::Rotate270 => (h, w),
}
}
pub fn get_rotation(&self) -> DisplayRotation {
self.display_rotation
}
pub fn set_rotation(&mut self, display_rotation: DisplayRotation) -> Result<(), DI::Error> {
self.display_rotation = display_rotation;
match display_rotation {
DisplayRotation::Rotate0 => {
Command::SegmentRemap(true).send(&mut self.iface)?;
Command::ReverseComDir(true).send(&mut self.iface)?;
}
DisplayRotation::Rotate90 => {
Command::SegmentRemap(false).send(&mut self.iface)?;
Command::ReverseComDir(true).send(&mut self.iface)?;
}
DisplayRotation::Rotate180 => {
Command::SegmentRemap(false).send(&mut self.iface)?;
Command::ReverseComDir(false).send(&mut self.iface)?;
}
DisplayRotation::Rotate270 => {
Command::SegmentRemap(true).send(&mut self.iface)?;
Command::ReverseComDir(false).send(&mut self.iface)?;
}
};
Ok(())
}
pub fn display_on(&mut self, on: bool) -> Result<(), DI::Error> {
Command::DisplayOn(on).send(&mut self.iface)
}
}