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Run cargo fmt (reverted for constants and some graphic calculations)

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This commit is contained in:
Chris
2018-11-05 15:31:52 +01:00
parent 375adf4bff
commit e518265273
14 changed files with 365 additions and 287 deletions
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src/epd4in2/constants.rs
-2
View File
@@ -4,7 +4,6 @@ pub const WIDTH: u32 = 400;
pub const HEIGHT: u32 = 300;
pub const DEFAULT_BACKGROUND_COLOR: Color = Color::White;
pub(crate) const LUT_VCOM0: [u8; 44] = [
0x00, 0x17, 0x00, 0x00, 0x00, 0x02,
0x00, 0x17, 0x17, 0x00, 0x00, 0x02,
@@ -15,7 +14,6 @@ pub(crate) const LUT_VCOM0: [u8; 44] = [
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
];
pub(crate) const LUT_VCOM0_QUICK: [u8; 44] = [
0x00, 0x0E, 0x00, 0x00, 0x00, 0x01,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
src/epd4in2/graphics.rs
+34 -25
View File
@@ -1,9 +1,9 @@
use epd4in2::constants::{DEFAULT_BACKGROUND_COLOR, WIDTH, HEIGHT};
use epd4in2::constants::{DEFAULT_BACKGROUND_COLOR, HEIGHT, WIDTH};
/// Full size buffer for use with the 4in2 EPD
///
///
/// Can also be manuall constructed:
/// `buffer: [DEFAULT_BACKGROUND_COLOR.get_byte_value(); WIDTH / 8 * HEIGHT]`
/// `buffer: [DEFAULT_BACKGROUND_COLOR.get_byte_value(); WIDTH / 8 * HEIGHT]`
pub struct Buffer4in2 {
pub buffer: [u8; WIDTH as usize * HEIGHT as usize / 8],
}
@@ -11,24 +11,21 @@ pub struct Buffer4in2 {
impl Default for Buffer4in2 {
fn default() -> Self {
Buffer4in2 {
buffer: [
DEFAULT_BACKGROUND_COLOR.get_byte_value();
WIDTH as usize * HEIGHT as usize / 8
]
buffer: [DEFAULT_BACKGROUND_COLOR.get_byte_value();
WIDTH as usize * HEIGHT as usize / 8],
}
}
}
#[cfg(test)]
mod tests {
use super::*;
use epd4in2;
use graphics::{DisplayRotation, Display};
use embedded_graphics::coord::Coord;
use embedded_graphics::primitives::Line;
use color::Color;
use embedded_graphics::coord::Coord;
use embedded_graphics::prelude::*;
use embedded_graphics::primitives::Line;
use epd4in2;
use graphics::{Display, DisplayRotation};
// test buffer length
#[test]
@@ -37,7 +34,7 @@ mod tests {
let display = Display::new(WIDTH, HEIGHT, &mut display4in2.buffer);
assert_eq!(display.buffer().len(), 15000);
}
// test default background color on all bytes
#[test]
fn graphics_default() {
@@ -45,7 +42,10 @@ mod tests {
let display = Display::new(WIDTH, HEIGHT, &mut display4in2.buffer);
use epd4in2;
for &byte in display.buffer() {
assert_eq!(byte, epd4in2::constants::DEFAULT_BACKGROUND_COLOR.get_byte_value());
assert_eq!(
byte,
epd4in2::constants::DEFAULT_BACKGROUND_COLOR.get_byte_value()
);
}
}
@@ -58,13 +58,16 @@ mod tests {
.with_stroke(Some(Color::Black))
.into_iter(),
);
let buffer = display.buffer();
assert_eq!(buffer[0], Color::Black.get_byte_value());
for &byte in buffer.iter().skip(1) {
assert_eq!(byte, epd4in2::constants::DEFAULT_BACKGROUND_COLOR.get_byte_value());
assert_eq!(
byte,
epd4in2::constants::DEFAULT_BACKGROUND_COLOR.get_byte_value()
);
}
}
@@ -78,13 +81,16 @@ mod tests {
.with_stroke(Some(Color::Black))
.into_iter(),
);
let buffer = display.buffer();
assert_eq!(buffer[0], Color::Black.get_byte_value());
for &byte in buffer.iter().skip(1) {
assert_eq!(byte, epd4in2::constants::DEFAULT_BACKGROUND_COLOR.get_byte_value());
assert_eq!(
byte,
epd4in2::constants::DEFAULT_BACKGROUND_COLOR.get_byte_value()
);
}
}
@@ -98,7 +104,7 @@ mod tests {
.with_stroke(Some(Color::Black))
.into_iter(),
);
let buffer = display.buffer();
extern crate std;
@@ -107,9 +113,11 @@ mod tests {
assert_eq!(buffer[0], Color::Black.get_byte_value());
for &byte in buffer.iter().skip(1) {
assert_eq!(byte, epd4in2::constants::DEFAULT_BACKGROUND_COLOR.get_byte_value());
assert_eq!(
byte,
epd4in2::constants::DEFAULT_BACKGROUND_COLOR.get_byte_value()
);
}
}
#[test]
@@ -122,7 +130,7 @@ mod tests {
.with_stroke(Some(Color::Black))
.into_iter(),
);
let buffer = display.buffer();
extern crate std;
@@ -131,9 +139,10 @@ mod tests {
assert_eq!(buffer[0], Color::Black.get_byte_value());
for &byte in buffer.iter().skip(1) {
assert_eq!(byte, epd4in2::constants::DEFAULT_BACKGROUND_COLOR.get_byte_value());
assert_eq!(
byte,
epd4in2::constants::DEFAULT_BACKGROUND_COLOR.get_byte_value()
);
}
}
}
src/epd4in2/mod.rs
+79 -70
View File
@@ -51,8 +51,8 @@ use hal::{
digital::*,
};
use traits::{WaveshareDisplay, InternalWiAdditions, RefreshLUT};
use interface::DisplayInterface;
use traits::{InternalWiAdditions, RefreshLUT, WaveshareDisplay};
//The Lookup Tables for the Display
mod constants; //TODO: Limit to crate::drawing
@@ -66,7 +66,6 @@ use self::command::Command;
mod graphics;
pub use self::graphics::Buffer4in2;
/// EPD4in2 driver
///
pub struct EPD4in2<SPI, CS, BUSY, DC, RST> {
@@ -78,11 +77,7 @@ pub struct EPD4in2<SPI, CS, BUSY, DC, RST> {
refresh: RefreshLUT,
}
impl<SPI, CS, BUSY, DC, RST>
InternalWiAdditions<SPI, CS, BUSY, DC, RST>
impl<SPI, CS, BUSY, DC, RST> InternalWiAdditions<SPI, CS, BUSY, DC, RST>
for EPD4in2<SPI, CS, BUSY, DC, RST>
where
SPI: Write<u8>,
@@ -91,15 +86,24 @@ where
DC: OutputPin,
RST: OutputPin,
{
fn init<DELAY: DelayMs<u8>>(&mut self, spi: &mut SPI, delay: &mut DELAY) -> Result<(), SPI::Error> {
fn init<DELAY: DelayMs<u8>>(
&mut self,
spi: &mut SPI,
delay: &mut DELAY,
) -> Result<(), SPI::Error> {
// reset the device
self.interface.reset(delay);
// set the power settings
self.interface.cmd_with_data(spi, Command::POWER_SETTING, &[0x03, 0x00, 0x2b, 0x2b, 0xff])?;
self.interface.cmd_with_data(
spi,
Command::POWER_SETTING,
&[0x03, 0x00, 0x2b, 0x2b, 0xff],
)?;
// start the booster
self.interface.cmd_with_data(spi, Command::BOOSTER_SOFT_START, &[0x17, 0x17, 0x17])?;
self.interface
.cmd_with_data(spi, Command::BOOSTER_SOFT_START, &[0x17, 0x17, 0x17])?;
// power on
self.command(spi, Command::POWER_ON)?;
@@ -114,15 +118,14 @@ where
// TODO: Test these other frequencies
// 3A 100HZ 29 150Hz 39 200HZ 31 171HZ DEFAULT: 3c 50Hz
self.cmd_with_data(spi, Command::PLL_CONTROL, &[0x3A])?;
self.set_lut(spi, None)?;
Ok(())
}
}
impl<SPI, CS, BUSY, DC, RST>
WaveshareDisplay<SPI, CS, BUSY, DC, RST>
impl<SPI, CS, BUSY, DC, RST> WaveshareDisplay<SPI, CS, BUSY, DC, RST>
for EPD4in2<SPI, CS, BUSY, DC, RST>
where
SPI: Write<u8>,
@@ -146,14 +149,21 @@ where
///
/// epd4in2.sleep();
/// ```
fn new<DELAY: DelayMs<u8>>(spi: &mut SPI, cs: CS, busy: BUSY, dc: DC, rst: RST, delay: &mut DELAY) -> Result<Self, SPI::Error> {
fn new<DELAY: DelayMs<u8>>(
spi: &mut SPI,
cs: CS,
busy: BUSY,
dc: DC,
rst: RST,
delay: &mut DELAY,
) -> Result<Self, SPI::Error> {
let interface = DisplayInterface::new(cs, busy, dc, rst);
let color = DEFAULT_BACKGROUND_COLOR;
let mut epd = EPD4in2 {
interface,
color,
refresh: RefreshLUT::FULL
refresh: RefreshLUT::FULL,
};
epd.init(spi, delay)?;
@@ -161,12 +171,17 @@ where
Ok(epd)
}
fn wake_up<DELAY: DelayMs<u8>>(&mut self, spi: &mut SPI, delay: &mut DELAY) -> Result<(), SPI::Error> {
fn wake_up<DELAY: DelayMs<u8>>(
&mut self,
spi: &mut SPI,
delay: &mut DELAY,
) -> Result<(), SPI::Error> {
self.init(spi, delay)
}
fn sleep(&mut self, spi: &mut SPI) -> Result<(), SPI::Error> {
self.interface.cmd_with_data(spi, Command::VCOM_AND_DATA_INTERVAL_SETTING, &[0x17])?; //border floating
self.interface
.cmd_with_data(spi, Command::VCOM_AND_DATA_INTERVAL_SETTING, &[0x17])?; //border floating
self.command(spi, Command::VCM_DC_SETTING)?; // VCOM to 0V
self.command(spi, Command::PANEL_SETTING)?;
@@ -177,7 +192,8 @@ where
self.command(spi, Command::POWER_OFF)?;
self.wait_until_idle();
self.interface.cmd_with_data(spi, Command::DEEP_SLEEP, &[0xA5])
self.interface
.cmd_with_data(spi, Command::DEEP_SLEEP, &[0xA5])
}
fn update_frame(&mut self, spi: &mut SPI, buffer: &[u8]) -> Result<(), SPI::Error> {
@@ -185,20 +201,25 @@ where
self.send_resolution(spi)?;
self.interface.cmd_with_data(spi, Command::VCM_DC_SETTING, &[0x12])?;
self.interface
.cmd_with_data(spi, Command::VCM_DC_SETTING, &[0x12])?;
//VBDF 17|D7 VBDW 97 VBDB 57 VBDF F7 VBDW 77 VBDB 37 VBDR B7
self.interface.cmd_with_data(spi, Command::VCOM_AND_DATA_INTERVAL_SETTING, &[0x97])?;
self.interface
.cmd_with_data(spi, Command::VCOM_AND_DATA_INTERVAL_SETTING, &[0x97])?;
self.interface.cmd(spi, Command::DATA_START_TRANSMISSION_1)?;
self.interface.data_x_times(spi, color_value, WIDTH / 8 * HEIGHT)?;
self.interface
.cmd(spi, Command::DATA_START_TRANSMISSION_1)?;
self.interface
.data_x_times(spi, color_value, WIDTH / 8 * HEIGHT)?;
self.interface.cmd_with_data(spi, Command::DATA_START_TRANSMISSION_2, buffer)
self.interface
.cmd_with_data(spi, Command::DATA_START_TRANSMISSION_2, buffer)
}
fn update_partial_frame(
&mut self,
spi: &mut SPI,
&mut self,
spi: &mut SPI,
buffer: &[u8],
x: u32,
y: u32,
@@ -240,8 +261,6 @@ where
self.command(spi, Command::PARTIAL_OUT)
}
fn display_frame(&mut self, spi: &mut SPI) -> Result<(), SPI::Error> {
self.command(spi, Command::DISPLAY_REFRESH)?;
@@ -254,14 +273,18 @@ where
let color_value = self.color.get_byte_value();
self.interface.cmd(spi, Command::DATA_START_TRANSMISSION_1)?;
self.interface.data_x_times(spi, color_value, WIDTH / 8 * HEIGHT)?;
self.interface
.cmd(spi, Command::DATA_START_TRANSMISSION_1)?;
self.interface
.data_x_times(spi, color_value, WIDTH / 8 * HEIGHT)?;
//TODO: Removal of delay. TEST!
//self.delay_ms(2);
self.interface.cmd(spi, Command::DATA_START_TRANSMISSION_2)?;
self.interface.data_x_times(spi, color_value, WIDTH / 8 * HEIGHT)
self.interface
.cmd(spi, Command::DATA_START_TRANSMISSION_2)?;
self.interface
.data_x_times(spi, color_value, WIDTH / 8 * HEIGHT)
}
fn set_background_color(&mut self, color: Color) {
@@ -280,24 +303,26 @@ where
HEIGHT
}
fn set_lut(&mut self, spi: &mut SPI, refresh_rate: Option<RefreshLUT>) -> Result<(), SPI::Error> {
fn set_lut(
&mut self,
spi: &mut SPI,
refresh_rate: Option<RefreshLUT>,
) -> Result<(), SPI::Error> {
if let Some(refresh_lut) = refresh_rate {
self.refresh = refresh_lut;
}
match self.refresh {
RefreshLUT::FULL => {
self.set_lut_helper(spi, &LUT_VCOM0, &LUT_WW, &LUT_BW, &LUT_WB, &LUT_BB)
},
RefreshLUT::QUICK => {
self.set_lut_helper(
spi,
&LUT_VCOM0_QUICK,
&LUT_WW_QUICK,
&LUT_BW_QUICK,
&LUT_WB_QUICK,
&LUT_BB_QUICK,
)
}
RefreshLUT::QUICK => self.set_lut_helper(
spi,
&LUT_VCOM0_QUICK,
&LUT_WW_QUICK,
&LUT_BW_QUICK,
&LUT_WB_QUICK,
&LUT_BB_QUICK,
),
}
}
}
@@ -318,7 +343,12 @@ where
self.interface.data(spi, data)
}
fn cmd_with_data(&mut self, spi: &mut SPI, command: Command, data: &[u8]) -> Result<(), SPI::Error> {
fn cmd_with_data(
&mut self,
spi: &mut SPI,
command: Command,
data: &[u8],
) -> Result<(), SPI::Error> {
self.interface.cmd_with_data(spi, command, data)
}
@@ -347,43 +377,22 @@ where
lut_bb: &[u8],
) -> Result<(), SPI::Error> {
// LUT VCOM
self.cmd_with_data(
spi,
Command::LUT_FOR_VCOM,
lut_vcom
)?;
self.cmd_with_data(spi, Command::LUT_FOR_VCOM, lut_vcom)?;
// LUT WHITE to WHITE
self.cmd_with_data(
spi,
Command::LUT_WHITE_TO_WHITE,
lut_ww
)?;
self.cmd_with_data(spi, Command::LUT_WHITE_TO_WHITE, lut_ww)?;
// LUT BLACK to WHITE
self.cmd_with_data(
spi,
Command::LUT_BLACK_TO_WHITE,
lut_bw
)?;
self.cmd_with_data(spi, Command::LUT_BLACK_TO_WHITE, lut_bw)?;
// LUT WHITE to BLACK
self.cmd_with_data(
spi,
Command::LUT_WHITE_TO_BLACK,
lut_wb,
)?;
self.cmd_with_data(spi, Command::LUT_WHITE_TO_BLACK, lut_wb)?;
// LUT BLACK to BLACK
self.cmd_with_data(
spi,
Command::LUT_BLACK_TO_BLACK,
lut_bb,
)
self.cmd_with_data(spi, Command::LUT_BLACK_TO_BLACK, lut_bb)
}
}
#[cfg(test)]
mod tests {
use super::*;
@@ -394,4 +403,4 @@ mod tests {
assert_eq!(HEIGHT, 300);
assert_eq!(DEFAULT_BACKGROUND_COLOR, Color::White);
}
}
}