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epd-waveshare
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fixed documentation and formatting

main
Andreas 5 years ago
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64e1b6ded0
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1cd1c3921d
3 changed files with 56 additions and 49 deletions
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  1. 2
      src/epd2in9_v2/graphics.rs
  2. 75
      src/epd2in9_v2/mod.rs

2
src/epd2in9_v2/graphics.rs
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@ -3,7 +3,7 @@ use crate::graphics::{Display, DisplayRotation};
use embedded_graphics::pixelcolor::BinaryColor;
use embedded_graphics::prelude::*;
/// Display with Fullsize buffer for use with the 2in9 EPD
/// Display with Fullsize buffer for use with the 2in9 EPD V2
///
/// Can also be manuall constructed:
/// `buffer: [DEFAULT_BACKGROUND_COLOR.get_byte_value(); WIDTH / 8 * HEIGHT]`

75
src/epd2in9_v2/mod.rs
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@ -51,24 +51,15 @@ pub const DEFAULT_BACKGROUND_COLOR: Color = Color::White;
const IS_BUSY_LOW: bool = false;
const LUT_PARTIAL_2IN9: [u8; 153] = [
0x0,0x40,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
0x80,0x80,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
0x40,0x40,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
0x0,0x80,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
0x0A,0x0,0x0,0x0,0x0,0x0,0x2,
0x1,0x0,0x0,0x0,0x0,0x0,0x0,
0x1,0x0,0x0,0x0,0x0,0x0,0x0,
0x0,0x0,0x0,0x0,0x0,0x0,0x0,
0x0,0x0,0x0,0x0,0x0,0x0,0x0,
0x0,0x0,0x0,0x0,0x0,0x0,0x0,
0x0,0x0,0x0,0x0,0x0,0x0,0x0,
0x0,0x0,0x0,0x0,0x0,0x0,0x0,
0x0,0x0,0x0,0x0,0x0,0x0,0x0,
0x0,0x0,0x0,0x0,0x0,0x0,0x0,
0x0,0x0,0x0,0x0,0x0,0x0,0x0,
0x0,0x0,0x0,0x0,0x0,0x0,0x0,
0x22,0x22,0x22,0x22,0x22,0x22,0x0,0x0,0x0,
0x0, 0x40, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80, 0x80, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40, 0x40, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0A, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x22, 0x22, 0x22, 0x22, 0x22,
0x22, 0x0, 0x0, 0x0,
];
use embedded_hal::{
@ -76,9 +67,7 @@ use embedded_hal::{
digital::v2::*,
};
use crate::type_a::{
command::Command,
};
use crate::type_a::command::Command;
use crate::color::Color;
@ -127,15 +116,18 @@ where
// 0.. A[8]
// 0.. B[2:0]
// Default Values: A = Height of Screen (0x127), B = 0x00 (GD, SM and TB=0?)
self.interface.cmd_with_data(spi, Command::DriverOutputControl, &[0x27, 0x01, 0x00])?;
self.interface
.cmd_with_data(spi, Command::DriverOutputControl, &[0x27, 0x01, 0x00])?;
// One Databyte with default value 0x03
// -> address: x increment, y increment, address counter is updated in x direction
self.interface.cmd_with_data(spi, Command::DataEntryModeSetting, &[0x03])?;
self.interface
.cmd_with_data(spi, Command::DataEntryModeSetting, &[0x03])?;
self.set_ram_area(spi, 0, 0, WIDTH-1, HEIGHT-1)?;
self.set_ram_area(spi, 0, 0, WIDTH - 1, HEIGHT - 1)?;
self.interface.cmd_with_data(spi, Command::DisplayUpdateControl1, &[0x00, 0x80])?;
self.interface
.cmd_with_data(spi, Command::DisplayUpdateControl1, &[0x00, 0x80])?;
self.set_ram_counter(spi, 0, 0)?;
@ -186,7 +178,8 @@ where
fn sleep(&mut self, spi: &mut SPI) -> Result<(), SPI::Error> {
self.wait_until_idle();
// 0x00 for Normal mode (Power on Reset), 0x01 for Deep Sleep Mode
self.interface.cmd_with_data(spi, Command::DeepSleepMode, &[0x01])?;
self.interface
.cmd_with_data(spi, Command::DeepSleepMode, &[0x01])?;
Ok(())
}
@ -225,7 +218,8 @@ where
fn display_frame(&mut self, spi: &mut SPI) -> Result<(), SPI::Error> {
self.wait_until_idle();
// Enable clock signal, Enable Analog, Load temperature value, DISPLAY with DISPLAY Mode 1, Disable Analog, Disable OSC
self.interface.cmd_with_data(spi, Command::DisplayUpdateControl2, &[0xF7])?;
self.interface
.cmd_with_data(spi, Command::DisplayUpdateControl2, &[0xF7])?;
self.interface.cmd(spi, Command::MasterActivation)?;
self.wait_until_idle();
Ok(())
@ -342,7 +336,8 @@ where
/// Set your own LUT, this function is also used internally for set_lut
fn set_lut_helper(&mut self, spi: &mut SPI, buffer: &[u8]) -> Result<(), SPI::Error> {
self.wait_until_idle();
self.interface.cmd_with_data(spi, Command::WriteLutRegister, buffer)?;
self.interface
.cmd_with_data(spi, Command::WriteLutRegister, buffer)?;
self.wait_until_idle();
Ok(())
}
@ -360,8 +355,10 @@ where
/// To be followed immediately by `update_new_frame`.
fn update_old_frame(&mut self, spi: &mut SPI, buffer: &[u8]) -> Result<(), SPI::Error> {
self.wait_until_idle();
self.interface.cmd_with_data(spi, Command::WriteRam, buffer)?;
self.interface.cmd_with_data(spi, Command::WriteRam2, buffer)
self.interface
.cmd_with_data(spi, Command::WriteRam, buffer)?;
self.interface
.cmd_with_data(spi, Command::WriteRam2, buffer)
}
/// To be used immediately after `update_old_frame`.
@ -370,19 +367,27 @@ where
//TODO original waveshare library has a hardware reset for 2 ms. But it works without reset apparently.
self.set_lut_helper(spi, &LUT_PARTIAL_2IN9)?;
self.interface.cmd_with_data(spi, Command::WriteOtpSelection, &[0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00])?;
self.interface.cmd_with_data(spi, Command::BorderWaveformControl, &[0x80])?;
self.interface.cmd_with_data(spi, Command::DisplayUpdateControl2, &[0xC0])?;
self.interface.cmd_with_data(
spi,
Command::WriteOtpSelection,
&[0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00],
)?;
self.interface
.cmd_with_data(spi, Command::BorderWaveformControl, &[0x80])?;
self.interface
.cmd_with_data(spi, Command::DisplayUpdateControl2, &[0xC0])?;
self.interface.cmd(spi, Command::MasterActivation)?;
self.wait_until_idle();
self.use_full_frame(spi)?;
self.interface.cmd_with_data(spi, Command::WriteRam, buffer)?;
self.interface
.cmd_with_data(spi, Command::WriteRam, buffer)?;
Ok(())
}
/// Partial quick refresh not supported yet
#[allow(unused)]
fn update_partial_old_frame(
&mut self,
@ -397,6 +402,7 @@ where
unimplemented!()
}
/// Partial quick refresh not supported yet
#[allow(unused)]
fn update_partial_new_frame(
&mut self,
@ -411,6 +417,7 @@ where
unimplemented!()
}
/// Partial quick refresh not supported yet
#[allow(unused)]
fn clear_partial_frame(
&mut self,

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