alemi/pc-monitor
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fix: use correct lib, draw some initial gui

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əlemi 2022-08-12 23:33:43 +02:00
parent 0eb1ec059a
commit 2dfc051ef9
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2 changed files with 138 additions and 17 deletions
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2
Cargo.toml
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@ -14,7 +14,7 @@ panic-halt = "0.2.0"
ufmt = "0.1.0"
nb = "1"
embedded-hal = "0.2.3"
sh1106 = "0.4"
ssd1306 = "0.7"
embedded-graphics = "0.7"
[dependencies.arduino-hal]

153
src/main.rs
View file

@ -5,9 +5,15 @@ use packet::PacketId;
use panic_halt as _;
use embedded_hal::serial::Read;
use embedded_graphics::{
mono_font::{ascii::FONT_4X6, MonoTextStyle},
pixelcolor::BinaryColor,
prelude::*,
text::Text, primitives::{PrimitiveStyleBuilder, Rectangle, PrimitiveStyle},
};
use arduino_hal::simple_pwm::{IntoPwmPin, Prescaler, Timer1Pwm, Timer2Pwm};
use sh1106::{prelude::GraphicsMode, Builder};
use arduino_hal::{simple_pwm::{IntoPwmPin, Prescaler, Timer1Pwm, Timer2Pwm}, I2c};
use ssd1306::{prelude::*, I2CDisplayInterface, Ssd1306, mode::BufferedGraphicsMode};
mod packet;
mod utils;
@ -15,6 +21,15 @@ mod utils;
use crate::packet::PacketBuilder;
use crate::utils::FourLedDisplay;
type Display = Ssd1306<I2CInterface<I2c>, DisplaySize128x64, BufferedGraphicsMode<DisplaySize128x64>>;
struct DisplayStyle<'a> {
border_style: PrimitiveStyle<BinaryColor>,
text_style: MonoTextStyle<'a, BinaryColor>,
bar_style: PrimitiveStyle<BinaryColor>,
background_style: PrimitiveStyle<BinaryColor>,
}
#[arduino_hal::entry]
fn main() -> ! {
// init board peripherals
@ -38,35 +53,54 @@ fn main() -> ! {
let mut serial = arduino_hal::default_serial!(dp, pins, 57600);
led_load.set_high();
led_rx.set_high();
led_tx.set_high();
led_tx.set_low();
led_rx.set_low();
let style = DisplayStyle {
border_style: PrimitiveStyleBuilder::new()
.stroke_width(1)
.stroke_color(BinaryColor::On)
.build(),
text_style: MonoTextStyle::new(&FONT_4X6, BinaryColor::On),
bar_style: PrimitiveStyleBuilder::new()
.stroke_color(BinaryColor::On)
.fill_color(BinaryColor::On)
.build(),
background_style: PrimitiveStyleBuilder::new()
.stroke_color(BinaryColor::Off)
.fill_color(BinaryColor::Off)
.build(),
};
// prepare display
let mut display: GraphicsMode<_> = Builder::new().with_size(sh1106::prelude::DisplaySize::Display128x64).connect_i2c(i2c).into();
cpu_leds.set(1, 255);
let interface = I2CDisplayInterface::new(i2c);
let mut display = Ssd1306::new(interface, DisplaySize128x64, DisplayRotation::Rotate0).into_buffered_graphics_mode();
display.init().unwrap();
cpu_leds.set(1, 255);
display.clear();
display.flush().unwrap();
cpu_leds.set(2, 255);
let mut flip : u8 = 0;
for x in 0..128 {
for y in 0..64 {
cpu_leds.set(3, if flip == 0 { 0 } else { 255 });
display.set_pixel(x, y, flip);
flip = !flip;
}
}
draw_ui(&mut display, &style);
cpu_leds.set(3, 255);
display.flush().unwrap();
cpu_leds.set(4, 255);
led_load.set_low();
led_tx.set_low();
led_rx.set_low();
let mut pkt_builder = PacketBuilder::new();
// TODO put these in a struct
let mut cpu1 : u8 = 0;
let mut cpu2 : u8 = 0;
let mut cpu3 : u8 = 0;
let mut cpu4 : u8 = 0;
let mut tx : u8 = 0;
let mut rx : u8 = 0;
arduino_hal::delay_ms(25);
cpu_leds.set_all(0);
loop { // main loop
@ -87,12 +121,22 @@ fn main() -> ! {
PacketId::SetLedsPacket => {
if let Some(payload) = pkt.payload && payload.len() == 4 {
cpu_leds.set_many(payload[0], payload[1], payload[2], payload[3]);
if payload[0] != cpu1 { draw_cpu_bar(&mut display, 1, payload[0], &style); }
if payload[1] != cpu2 { draw_cpu_bar(&mut display, 2, payload[1], &style); }
if payload[2] != cpu3 { draw_cpu_bar(&mut display, 3, payload[2], &style); }
if payload[3] != cpu4 { draw_cpu_bar(&mut display, 4, payload[3], &style); }
cpu1 = payload[0]; cpu2 = payload[1]; cpu3 = payload[2]; cpu4 = payload[3];
display.flush().unwrap();
}
},
PacketId::NetStatePacket => {
if let Some(payload) = pkt.payload && payload.len() == 2 {
if payload[0] == 0 { led_tx.set_low() } else { led_tx.set_high() };
if payload[1] == 0 { led_rx.set_low() } else { led_rx.set_high() };
if payload[0] != tx { draw_network_bar(&mut display, NetDirection::TX, payload[0], &style) }
if payload[1] != rx { draw_network_bar(&mut display, NetDirection::RX, payload[1], &style) }
tx = payload[0]; rx = payload[1];
display.flush().unwrap();
}
},
_ => {}, // TODO log it?
@ -106,3 +150,80 @@ 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();
}