weather info initial

client/Cargo.toml

@@ -8,3 +8,4 @@ edition = "2021"
 [dependencies]
 bit = "0.1.1"
 embedded-graphics = "0.8.0"
+openweathermap = "0.2.4"

client/src/main.rs

@@ -1,12 +1,16 @@
 use bit::BitIndex;
+use core::time;
 use embedded_graphics::{
     image::{Image, ImageRaw},
+    mono_font::{iso_8859_1::FONT_6X10, MonoTextStyle},
     pixelcolor::{BinaryColor, Rgb565},
     prelude::*,
     primitives::{Line, PrimitiveStyle},
+    text::Text,
 };
-use std::env;
+use openweathermap::{self, CurrentWeather};
 use std::net::UdpSocket;
+use std::{env, sync::mpsc::Receiver, thread};
 
 const IMAGE_SIZE_BYTE: usize = (IMAGE_WIDTH_BYTE * IMAGE_HEIGHT) as usize; /* one byte contains 8 LEDs, one in each bit */
 const IMAGE_WIDTH: u32 = 5 * 32;
@@ -17,17 +21,17 @@ const IMAGE_HEIGHT_BYTE: u32 = 40;
 const IMAGE_LENGTH: usize = (IMAGE_WIDTH_BYTE * IMAGE_HEIGHT_BYTE) as usize;
 const PACKAGE_LENGTH: usize = (IMAGE_LENGTH + 1) as usize;
 
-struct UdpDisplay<'a> {
-    image_slice: &'a mut[u8; IMAGE_SIZE_BYTE],
+struct UdpDisplay {
+    image: [u8; IMAGE_SIZE_BYTE],
 }
 
-impl OriginDimensions for UdpDisplay<'_> {
+impl OriginDimensions for UdpDisplay {
     fn size(&self) -> Size {
         Size::new(IMAGE_WIDTH, IMAGE_HEIGHT)
     }
 }
 
-impl DrawTarget for UdpDisplay<'_> {
+impl DrawTarget for UdpDisplay {
     type Color = BinaryColor;
     type Error = core::convert::Infallible;
 
@@ -63,33 +67,86 @@ impl DrawTarget for UdpDisplay<'_> {
         I: IntoIterator<Item = Pixel<Self::Color>>,
     {
         for pixel in pixels {
+            if pixel.0.x < 0 {
+                continue;
+            }
+            if pixel.0.y < 0 {
+                continue;
+            }
+
             let x = pixel.0.x as u32;
             let y = pixel.0.y as u32;
+            if x > (IMAGE_WIDTH - 1) {
+                continue;
+            }
+            if y > (IMAGE_HEIGHT - 1) {
+                continue;
+            }
+
+            let y = y as u32;
             let v = pixel.1.is_on();
+            //println!("pint {x} {y} is on {v}");
             let offset: usize = (x + y * IMAGE_WIDTH) as usize;
-            
+
             let subbit: usize = (offset % 8).into();
             let byte_offset: usize = (offset / 8).into();
 
-            let current =  &mut self.image_slice[byte_offset];
+            let current = &mut self.image[byte_offset];
             current.set_bit(subbit, v);
         }
         return Ok(());
     }
 }
 
-fn send_package(ipaddress: String) {
-    let mut package = [0; PACKAGE_LENGTH];
+fn send_package(ipaddress: String, data: &Option<Result<CurrentWeather, String>>) {
+    let mut package: [u8; PACKAGE_LENGTH] = [0; PACKAGE_LENGTH];
+
     // Brightness
     package[0] = 128;
-    let image_slice: &mut [u8; IMAGE_SIZE_BYTE] =
-        &mut package[1..PACKAGE_LENGTH].try_into().unwrap();
 
-    let mut display = UdpDisplay { image_slice };
+    let mut display = UdpDisplay {
+        image: [0; IMAGE_SIZE_BYTE],
+    };
 
-    Line::new(Point::new(50, 20), Point::new(60, 35))
-        .into_styled(PrimitiveStyle::with_stroke(BinaryColor::On, 1))
-        .draw(&mut display).unwrap();
+    let style = PrimitiveStyle::with_stroke(BinaryColor::On, 1);
+    let text_style = MonoTextStyle::new(&FONT_6X10, BinaryColor::On);
+
+    Line::new(Point::new(0, 0), Point::new((IMAGE_WIDTH - 1) as i32, 0))
+        .into_styled(style)
+        .draw(&mut display)
+        .unwrap();
+
+    
+    match data {
+        Some(v) => match v {
+            Err(error) => {
+                Text::new(&error, Point::new(0, 5), text_style)
+                    .draw(&mut display)
+                    .unwrap();
+                println!("{}", &error);
+            }
+            Ok(result) => {
+                let mut y = 10;
+                for condition in result.weather.as_slice() {
+
+                    let text = condition.main.to_owned() + " " +  &condition.description + " " + &condition.icon;
+                    Text::new(&text, Point::new(0, y), text_style)
+                        .draw(&mut display)
+                        .unwrap();
+                    println!("{}", &condition.main);
+                    y += 10;
+                }
+            }
+        },
+        None => {
+            Text::new("Waiting for data", Point::new(20, 30), text_style)
+                .draw(&mut display)
+                .unwrap();
+            println!("{}", "no result");
+        }
+    }
+
+    package[1..PACKAGE_LENGTH].copy_from_slice(&display.image);
 
     let socket = UdpSocket::bind("0.0.0.0:4242").expect("couldn't bind to address");
     socket
@@ -119,7 +176,32 @@ fn main() {
         // one argument passed
         2 => {
             let ip = &args[1];
-            send_package(ip.to_string());
+            let receiver = openweathermap::init(
+                "Mannheim",
+                "metric",
+                "de",
+                "978882ab9dd05e7122ff2b0aef2d3e55",
+                60,
+            );
+
+            let mut lastData = Option::None;
+
+            loop {
+                let delay = time::Duration::from_millis(10000);
+                thread::sleep(delay);
+                let answer = openweathermap::update(&receiver);
+
+                match answer {
+                    Some(_) => {
+                        lastData = answer;
+                    }
+                    None => {
+
+                    }
+                }
+
+                send_package(ip.to_string(), &lastData);
+            }
         }
         // all the other cases
         _ => {