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chore: split display functions in separate file

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əlemi 2022-08-14 03:35:22 +02:00
parent 4020bfeddb
commit 4c509f0644
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2 changed files with 95 additions and 85 deletions
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87
src/display.rs Normal file
View file

@ -0,0 +1,87 @@
use embedded_graphics::{
prelude::*,
text::Text, primitives::Rectangle,
};
use arduino_hal::I2c;
use ssd1306::{prelude::*, Ssd1306, mode::BufferedGraphicsMode};
use crate::DisplayStyle;
type Display = Ssd1306<I2CInterface<I2c>, DisplaySize128x64, BufferedGraphicsMode<DisplaySize128x64>>;
fn byte_to_height(val: u8, max: u8) -> u32 {
let t = (val >> 2) as u32; // TODO this is a cheap ass solution with awful precision!!!
return if t > max as u32 { max as u32 } else { t };
// return ((val as f32 / 255.0) * max as f32) as u32; // TODO get rid of floating point operations!
}
pub fn draw_ui(display: &mut Display, style: &DisplayStyle) {
Rectangle::new(Point::new(0, 0), Size::new(128, 64))
.into_styled(style.border_style)
.draw(display)
.unwrap();
Text::new("CPU1", Point::new(2, 6), style.text_style).draw(display).unwrap();
Text::new("CPU2", Point::new(22, 6), style.text_style).draw(display).unwrap();
Text::new("CPU3", Point::new(42, 6), style.text_style).draw(display).unwrap();
Text::new("CPU4", Point::new(62, 6), style.text_style).draw(display).unwrap();
Text::new("TX", Point::new(104, 6), style.text_style).draw(display).unwrap();
Text::new("RX", Point::new(116, 6), style.text_style).draw(display).unwrap();
}
pub fn draw_cpu_bar(display: &mut Display, index: u8, value: u8, style: &DisplayStyle) {
let x = 2 + ((index - 1) * 20);
let height = byte_to_height(value, 54);
Rectangle::new(Point::new(x as i32, 8), Size::new(15, 54 - (height-1) as u32))
.into_styled(style.background_style)
.draw(display)
.unwrap();
Rectangle::new(Point::new(x as i32, (62 - height) as i32), Size::new(15, 1 + height as u32))
.into_styled(style.bar_style)
.draw(display)
.unwrap();
}
pub enum NetDirection {
TX, RX
}
pub fn draw_network_bar(display: &mut Display, direction: NetDirection, value: u8, style: &DisplayStyle) {
let x = match direction { NetDirection::TX => 104, NetDirection::RX => 116 };
let height = byte_to_height(value, 54);
Rectangle::new(Point::new(x as i32, 8), Size::new(10, 54 - (height-1) as u32))
.into_styled(style.background_style)
.draw(display)
.unwrap();
Rectangle::new(Point::new(x as i32, (62 - height) as i32), Size::new(10, 1 + height as u32))
.into_styled(style.bar_style)
.draw(display)
.unwrap();
}
fn _draw_all(display: &mut Display, cpu1: u8, cpu2: u8, cpu3: u8, cpu4: u8, tx: u8, rx: u8, style: &DisplayStyle) {
draw_ui(display, style);
draw_cpu_bar(display, 1, cpu1, style);
draw_cpu_bar(display, 2, cpu2, style);
draw_cpu_bar(display, 3, cpu3, style);
draw_cpu_bar(display, 4, cpu4, style);
draw_network_bar(display, NetDirection::TX, tx, style);
draw_network_bar(display, NetDirection::RX, rx, style);
display.flush().unwrap();
}
fn _display_grid(display: &mut Display) {
let mut flip : bool = false;
for y in 0..64 {
for x in 0..128 {
display.set_pixel(x, y, flip);
flip = !flip;
}
flip = !flip;
}
display.flush().unwrap();
}

93
src/main.rs
View file

@ -8,22 +8,21 @@ use embedded_hal::serial::Read;
use embedded_graphics::{
mono_font::{ascii::FONT_4X6, MonoTextStyle},
pixelcolor::BinaryColor,
prelude::*,
text::Text, primitives::{PrimitiveStyleBuilder, Rectangle, PrimitiveStyle},
primitives::{PrimitiveStyleBuilder, PrimitiveStyle},
};
use arduino_hal::{simple_pwm::{IntoPwmPin, Prescaler, Timer1Pwm, Timer2Pwm}, I2c};
use ssd1306::{prelude::*, I2CDisplayInterface, Ssd1306, mode::BufferedGraphicsMode};
use arduino_hal::simple_pwm::{IntoPwmPin, Prescaler, Timer1Pwm, Timer2Pwm};
use ssd1306::{prelude::*, I2CDisplayInterface, Ssd1306};
mod packet;
mod utils;
mod display;
use crate::packet::PacketBuilder;
use crate::utils::FourLedDisplay;
use display::{draw_ui, draw_cpu_bar, draw_network_bar, NetDirection};
type Display = Ssd1306<I2CInterface<I2c>, DisplaySize128x64, BufferedGraphicsMode<DisplaySize128x64>>;
struct DisplayStyle<'a> {
pub struct DisplayStyle<'a> {
border_style: PrimitiveStyle<BinaryColor>,
text_style: MonoTextStyle<'a, BinaryColor>,
bar_style: PrimitiveStyle<BinaryColor>,
@ -48,9 +47,9 @@ fn main() -> ! {
pins.d11.into_output().into_pwm(&timer2),
);
let i2c = arduino_hal::i2c::I2c::new(
dp.TWI, pins.a4.into_pull_up_input(), pins.a5.into_pull_up_input(), 100000
dp.TWI, pins.a4.into_pull_up_input(), pins.a5.into_pull_up_input(), 800000
);
let mut serial = arduino_hal::default_serial!(dp, pins, 57600);
let mut serial = arduino_hal::default_serial!(dp, pins, 115200);
led_load.set_high();
led_tx.set_low();
@ -146,79 +145,3 @@ fn main() -> ! {
}
}
fn byte_to_height(val: u8, max: u8) -> u32 {
let t = (val >> 2) as u32; // TODO this is a cheap ass solution with awful precision!!!
return if t > max as u32 { max as u32 } else { t };
// return ((val as f32 / 255.0) * max as f32) as u32; // TODO get rid of floating point operations!
}
fn draw_ui(display: &mut Display, style: &DisplayStyle) {
Rectangle::new(Point::new(0, 0), Size::new(128, 64))
.into_styled(style.border_style)
.draw(display)
.unwrap();
Text::new("CPU1", Point::new(2, 6), style.text_style).draw(display).unwrap();
Text::new("CPU2", Point::new(22, 6), style.text_style).draw(display).unwrap();
Text::new("CPU3", Point::new(42, 6), style.text_style).draw(display).unwrap();
Text::new("CPU4", Point::new(62, 6), style.text_style).draw(display).unwrap();
Text::new("TX", Point::new(104, 6), style.text_style).draw(display).unwrap();
Text::new("RX", Point::new(116, 6), style.text_style).draw(display).unwrap();
}
fn draw_cpu_bar(display: &mut Display, index: u8, value: u8, style: &DisplayStyle) {
let x = 2 + ((index - 1) * 20);
let height = byte_to_height(value, 54);
Rectangle::new(Point::new(x as i32, 8), Size::new(15, 54 - (height-1) as u32))
.into_styled(style.background_style)
.draw(display)
.unwrap();
Rectangle::new(Point::new(x as i32, (62 - height) as i32), Size::new(15, 1 + height as u32))
.into_styled(style.bar_style)
.draw(display)
.unwrap();
}
enum NetDirection {
TX, RX
}
fn draw_network_bar(display: &mut Display, direction: NetDirection, value: u8, style: &DisplayStyle) {
let x = match direction { NetDirection::TX => 104, NetDirection::RX => 116 };
let height = byte_to_height(value, 54);
Rectangle::new(Point::new(x as i32, 8), Size::new(10, 54 - (height-1) as u32))
.into_styled(style.background_style)
.draw(display)
.unwrap();
Rectangle::new(Point::new(x as i32, (62 - height) as i32), Size::new(10, 1 + height as u32))
.into_styled(style.bar_style)
.draw(display)
.unwrap();
}
fn _draw_all(display: &mut Display, cpu1: u8, cpu2: u8, cpu3: u8, cpu4: u8, tx: u8, rx: u8, style: &DisplayStyle) {
draw_ui(display, style);
draw_cpu_bar(display, 1, cpu1, style);
draw_cpu_bar(display, 2, cpu2, style);
draw_cpu_bar(display, 3, cpu3, style);
draw_cpu_bar(display, 4, cpu4, style);
draw_network_bar(display, NetDirection::TX, tx, style);
draw_network_bar(display, NetDirection::RX, rx, style);
display.flush().unwrap();
}
fn _display_grid(display: &mut Display, cpu_leds: &mut FourLedDisplay) {
let mut flip : bool = false;
for y in 0..64 {
for x in 0..128 {
cpu_leds.set(3, if flip { 0 } else { 255 });
display.set_pixel(x, y, flip);
flip = !flip;
}
flip = !flip;
}
display.flush().unwrap();
}