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Implement weather API call

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Felix Suchert 2022-08-07 21:29:03 +02:00
parent d8e8dc7db1
commit 0807c15de4
Signed by: feliix42
GPG key ID: 24363525EA0E8A99
7 changed files with 935 additions and 72 deletions
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@ -1,2 +1,3 @@
secret.rs
/target /target
# /Cargo.lock # /Cargo.lock

790
Cargo.lock generated
View file

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[[package]] [[package]]
name = "riscv" name = "riscv"
version = "0.7.0" version = "0.7.0"
@ -871,6 +1313,16 @@ version = "1.0.11"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "4501abdff3ae82a1c1b477a17252eb69cee9e66eb915c1abaa4f44d873df9f09" checksum = "4501abdff3ae82a1c1b477a17252eb69cee9e66eb915c1abaa4f44d873df9f09"
[[package]]
name = "schannel"
version = "0.1.20"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "88d6731146462ea25d9244b2ed5fd1d716d25c52e4d54aa4fb0f3c4e9854dbe2"
dependencies = [
"lazy_static",
"windows-sys",
]
[[package]] [[package]]
name = "scoped_threadpool" name = "scoped_threadpool"
version = "0.1.9" version = "0.1.9"
@ -907,6 +1359,29 @@ dependencies = [
"libc", "libc",
] ]
[[package]]
name = "security-framework"
version = "2.6.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "2dc14f172faf8a0194a3aded622712b0de276821addc574fa54fc0a1167e10dc"
dependencies = [
"bitflags",
"core-foundation",
"core-foundation-sys",
"libc",
"security-framework-sys",
]
[[package]]
name = "security-framework-sys"
version = "2.6.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0160a13a177a45bfb43ce71c01580998474f556ad854dcbca936dd2841a5c556"
dependencies = [
"core-foundation-sys",
"libc",
]
[[package]] [[package]]
name = "semver" name = "semver"
version = "0.9.0" version = "0.9.0"
@ -959,6 +1434,18 @@ dependencies = [
"serde", "serde",
] ]
[[package]]
name = "serde_urlencoded"
version = "0.7.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d3491c14715ca2294c4d6a88f15e84739788c1d030eed8c110436aafdaa2f3fd"
dependencies = [
"form_urlencoded",
"itoa",
"ryu",
"serde",
]
[[package]] [[package]]
name = "serial-core" name = "serial-core"
version = "0.4.0" version = "0.4.0"
@ -980,6 +1467,25 @@ dependencies = [
"termios", "termios",
] ]
[[package]]
name = "slab"
version = "0.4.7"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "4614a76b2a8be0058caa9dbbaf66d988527d86d003c11a94fbd335d7661edcef"
dependencies = [
"autocfg 1.1.0",
]
[[package]]
name = "socket2"
version = "0.4.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "66d72b759436ae32898a2af0a14218dbf55efde3feeb170eb623637db85ee1e0"
dependencies = [
"libc",
"winapi",
]
[[package]] [[package]]
name = "spidev" name = "spidev"
version = "0.5.1" version = "0.5.1"
@ -1036,6 +1542,20 @@ dependencies = [
"nix", "nix",
] ]
[[package]]
name = "tempfile"
version = "3.3.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "5cdb1ef4eaeeaddc8fbd371e5017057064af0911902ef36b39801f67cc6d79e4"
dependencies = [
"cfg-if 1.0.0",
"fastrand",
"libc",
"redox_syscall",
"remove_dir_all",
"winapi",
]
[[package]] [[package]]
name = "termios" name = "termios"
version = "0.2.2" version = "0.2.2"
@ -1066,18 +1586,140 @@ dependencies = [
"nom", "nom",
] ]
[[package]]
name = "tinyvec"
version = "1.6.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "87cc5ceb3875bb20c2890005a4e226a4651264a5c75edb2421b52861a0a0cb50"
dependencies = [
"tinyvec_macros",
]
[[package]]
name = "tinyvec_macros"
version = "0.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "cda74da7e1a664f795bb1f8a87ec406fb89a02522cf6e50620d016add6dbbf5c"
[[package]]
name = "tokio"
version = "1.20.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7a8325f63a7d4774dd041e363b2409ed1c5cbbd0f867795e661df066b2b0a581"
dependencies = [
"autocfg 1.1.0",
"bytes",
"libc",
"memchr",
"mio",
"num_cpus",
"once_cell",
"pin-project-lite",
"socket2",
"winapi",
]
[[package]]
name = "tokio-native-tls"
version = "0.3.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f7d995660bd2b7f8c1568414c1126076c13fbb725c40112dc0120b78eb9b717b"
dependencies = [
"native-tls",
"tokio",
]
[[package]]
name = "tokio-util"
version = "0.7.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "cc463cd8deddc3770d20f9852143d50bf6094e640b485cb2e189a2099085ff45"
dependencies = [
"bytes",
"futures-core",
"futures-sink",
"pin-project-lite",
"tokio",
"tracing",
]
[[package]]
name = "tower-service"
version = "0.3.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b6bc1c9ce2b5135ac7f93c72918fc37feb872bdc6a5533a8b85eb4b86bfdae52"
[[package]]
name = "tracing"
version = "0.1.36"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "2fce9567bd60a67d08a16488756721ba392f24f29006402881e43b19aac64307"
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"pin-project-lite",
"tracing-core",
]
[[package]]
name = "tracing-core"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
"once_cell",
]
[[package]]
name = "try-lock"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
name = "unicode-bidi"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]] [[package]]
name = "unicode-ident" name = "unicode-ident"
version = "1.0.3" version = "1.0.3"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "c4f5b37a154999a8f3f98cc23a628d850e154479cd94decf3414696e12e31aaf" checksum = "c4f5b37a154999a8f3f98cc23a628d850e154479cd94decf3414696e12e31aaf"
[[package]]
name = "unicode-normalization"
version = "0.1.21"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "854cbdc4f7bc6ae19c820d44abdc3277ac3e1b2b93db20a636825d9322fb60e6"
dependencies = [
"tinyvec",
]
[[package]]
name = "url"
version = "2.2.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a507c383b2d33b5fc35d1861e77e6b383d158b2da5e14fe51b83dfedf6fd578c"
dependencies = [
"form_urlencoded",
"idna",
"matches",
"percent-encoding",
]
[[package]] [[package]]
name = "vcell" name = "vcell"
version = "0.1.3" version = "0.1.3"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "77439c1b53d2303b20d9459b1ade71a83c716e3f9c34f3228c00e6f185d6c002" checksum = "77439c1b53d2303b20d9459b1ade71a83c716e3f9c34f3228c00e6f185d6c002"
[[package]]
name = "vcpkg"
version = "0.2.15"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "accd4ea62f7bb7a82fe23066fb0957d48ef677f6eeb8215f372f52e48bb32426"
[[package]] [[package]]
name = "version_check" name = "version_check"
version = "0.9.4" version = "0.9.4"
@ -1099,6 +1741,98 @@ dependencies = [
"vcell", "vcell",
] ]
[[package]]
name = "want"
version = "0.3.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1ce8a968cb1cd110d136ff8b819a556d6fb6d919363c61534f6860c7eb172ba0"
dependencies = [
"log",
"try-lock",
]
[[package]]
name = "wasi"
version = "0.11.0+wasi-snapshot-preview1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
[[package]]
name = "wasm-bindgen"
version = "0.2.82"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "fc7652e3f6c4706c8d9cd54832c4a4ccb9b5336e2c3bd154d5cccfbf1c1f5f7d"
dependencies = [
"cfg-if 1.0.0",
"wasm-bindgen-macro",
]
[[package]]
name = "wasm-bindgen-backend"
version = "0.2.82"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "662cd44805586bd52971b9586b1df85cdbbd9112e4ef4d8f41559c334dc6ac3f"
dependencies = [
"bumpalo",
"log",
"once_cell",
"proc-macro2",
"quote",
"syn",
"wasm-bindgen-shared",
]
[[package]]
name = "wasm-bindgen-futures"
version = "0.4.32"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "fa76fb221a1f8acddf5b54ace85912606980ad661ac7a503b4570ffd3a624dad"
dependencies = [
"cfg-if 1.0.0",
"js-sys",
"wasm-bindgen",
"web-sys",
]
[[package]]
name = "wasm-bindgen-macro"
version = "0.2.82"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b260f13d3012071dfb1512849c033b1925038373aea48ced3012c09df952c602"
dependencies = [
"quote",
"wasm-bindgen-macro-support",
]
[[package]]
name = "wasm-bindgen-macro-support"
version = "0.2.82"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "5be8e654bdd9b79216c2929ab90721aa82faf65c48cdf08bdc4e7f51357b80da"
dependencies = [
"proc-macro2",
"quote",
"syn",
"wasm-bindgen-backend",
"wasm-bindgen-shared",
]
[[package]]
name = "wasm-bindgen-shared"
version = "0.2.82"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "6598dd0bd3c7d51095ff6531a5b23e02acdc81804e30d8f07afb77b7215a140a"
[[package]]
name = "web-sys"
version = "0.3.59"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ed055ab27f941423197eb86b2035720b1a3ce40504df082cac2ecc6ed73335a1"
dependencies = [
"js-sys",
"wasm-bindgen",
]
[[package]] [[package]]
name = "weezl" name = "weezl"
version = "0.1.7" version = "0.1.7"
@ -1126,3 +1860,55 @@ name = "winapi-x86_64-pc-windows-gnu"
version = "0.4.0" version = "0.4.0"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f" checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
[[package]]
name = "windows-sys"
version = "0.36.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ea04155a16a59f9eab786fe12a4a450e75cdb175f9e0d80da1e17db09f55b8d2"
dependencies = [
"windows_aarch64_msvc",
"windows_i686_gnu",
"windows_i686_msvc",
"windows_x86_64_gnu",
"windows_x86_64_msvc",
]
[[package]]
name = "windows_aarch64_msvc"
version = "0.36.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9bb8c3fd39ade2d67e9874ac4f3db21f0d710bee00fe7cab16949ec184eeaa47"
[[package]]
name = "windows_i686_gnu"
version = "0.36.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "180e6ccf01daf4c426b846dfc66db1fc518f074baa793aa7d9b9aaeffad6a3b6"
[[package]]
name = "windows_i686_msvc"
version = "0.36.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e2e7917148b2812d1eeafaeb22a97e4813dfa60a3f8f78ebe204bcc88f12f024"
[[package]]
name = "windows_x86_64_gnu"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
name = "windows_x86_64_msvc"
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source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "c811ca4a8c853ef420abd8592ba53ddbbac90410fab6903b3e79972a631f7680"
[[package]]
name = "winreg"
version = "0.10.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "80d0f4e272c85def139476380b12f9ac60926689dd2e01d4923222f40580869d"
dependencies = [
"winapi",
]

3
Cargo.toml
View file

@ -19,6 +19,9 @@ ssd1675 = { git = "https://github.com/Feliix42/ssd1675" }
serde = { version = "1.0", features = ["derive"] } serde = { version = "1.0", features = ["derive"] }
serde_json = "1.0" serde_json = "1.0"
# for retrieving weather data from the API
reqwest = { version = "0.11", features = ["blocking", "json"] }
linux-embedded-hal = { version = "0.3.2", optional = true } linux-embedded-hal = { version = "0.3.2", optional = true }
embedded-graphics-simulator = { version = "0.3.0", optional = true } embedded-graphics-simulator = { version = "0.3.0", optional = true }

2
README.md
View file

@ -11,6 +11,8 @@ I selected this particular data provider because it has a One-Call API which yie
The use of the API is free so long as one stays below 1,000 requests/day (as of the time writing this). The use of the API is free so long as one stays below 1,000 requests/day (as of the time writing this).
You'll need your own API key to use this project. You'll need your own API key to use this project.
Copy the file `src/weather/secret.rs.example` to `src/weather/secret.rs` and replace the placeholder API key inside with yours.
## Hardware Required ## Hardware Required

112
src/weather/data.rs
View file

@ -5,9 +5,9 @@
//! [here](https://openweathermap.org/api/one-call-3#parameter). //! [here](https://openweathermap.org/api/one-call-3#parameter).
#![allow(dead_code)] #![allow(dead_code)]
use embedded_plots::curve::PlotPoint;
use serde::Deserialize; use serde::Deserialize;
/// Response from the OpenWeather API with both current and forecast data for a given location. /// Response from the OpenWeather API with both current and forecast data for a given location.
#[derive(Deserialize)] #[derive(Deserialize)]
pub struct WeatherData { pub struct WeatherData {
@ -31,27 +31,61 @@ pub struct WeatherData {
daily: Vec<()>, daily: Vec<()>,
/// Currently active wheather alerts /// Currently active wheather alerts
#[serde(default)] #[serde(default)]
alerts: Vec<WeatherAlert> alerts: Vec<WeatherAlert>,
}
impl WeatherData {
pub fn current_temp(&self) -> f32 {
self.current.data.temp
}
pub fn perceived_temp(&self) -> f32 {
self.current.data.feels_like
}
pub fn rain_probability(&self) -> u8 {
(self.hourly[0].pop * 100_f32).round() as u8
}
pub fn humidity(&self) -> u8 {
self.current.data.humidity
}
pub fn uv_idx(&self) -> u8 {
self.current.data.uvi.round() as u8
}
pub fn forecast_plot_data(&self) -> Vec<PlotPoint> {
let data: Vec<f32> = self.hourly.iter().take(24).map(|h| h.data.temp).collect();
data.into_iter()
.enumerate()
.map(|(x, y)| PlotPoint {
x: x as i32,
y: y.round() as i32,
})
.collect()
}
} }
/// Current weather data. /// Current weather data.
#[derive(Deserialize)] #[derive(Deserialize)]
pub struct CurrentWeather { pub struct CurrentWeather {
#[serde(flatten)] #[serde(flatten)]
data: CommonWeatherInfo, pub(self) data: CommonWeatherInfo,
/// Sunrise time (Unix Timestamp, UTC) /// Sunrise time (Unix Timestamp, UTC)
sunrise: u64, pub(self) sunrise: u64,
/// Sunset time (Unix Timestamp, UTC) /// Sunset time (Unix Timestamp, UTC)
sunset: u64, pub(self) sunset: u64,
} }
/// Weather Forecast for a specific hour in the future. /// Weather Forecast for a specific hour in the future.
#[derive(Deserialize)] #[derive(Deserialize)]
pub struct HourlyWeather { pub struct HourlyWeather {
#[serde(flatten)] #[serde(flatten)]
data: CommonWeatherInfo, pub(self) data: CommonWeatherInfo,
/// Probability of precipitation (values range from 0 to 1). /// Probability of precipitation (values range from 0 to 1).
pop: f32 pub(self) pop: f32,
} }
/// Common weather information shared among different forecast types. /// Common weather information shared among different forecast types.
@ -60,67 +94,71 @@ pub struct HourlyWeather {
#[derive(Deserialize)] #[derive(Deserialize)]
pub struct CommonWeatherInfo { pub struct CommonWeatherInfo {
/// Current time (Unix Timestamp, UTC) /// Current time (Unix Timestamp, UTC)
dt: u64, pub(self) dt: u64,
/// Current temperature /// Current temperature
temp: f32, pub(self) temp: f32,
/// Temperature according to human perception /// Temperature according to human perception
feels_like: f32, pub(self) feels_like: f32,
/// Atmospheric Pressure at sea level (hPa) /// Atmospheric Pressure at sea level (hPa)
pressure: u32, pub(self) pressure: u32,
/// Air Humidity in % /// Air Humidity in %
humidity: u8, pub(self) humidity: u8,
/// Dew Point (temperature below which water droplets begin to form) /// Dew Point (temperature below which water droplets begin to form)
dew_point: f32, pub(self) dew_point: f32,
/// Cloudiness in % /// Cloudiness in %
clouds: u8, pub(self) clouds: u8,
/// Current UV Index /// Current UV Index
uvi: f32, pub(self) uvi: f32,
/// Average Visibility in metres (max: 10.000m) /// Average Visibility in metres (max: 10.000m)
visibility: u16, pub(self) visibility: u16,
/// Wind Speed /// Wind Speed
wind_speed: f32, pub(self) wind_speed: f32,
/// Wind Gust (optional) /// Wind Gust (optional)
wind_gust: f32, pub(self) wind_gust: Option<f32>,
/// Wind direction in degrees /// Wind direction in degrees
wind_deg: u16, pub(self) wind_deg: u16,
/// Rain /// Rain
rain: Option<Precipitation>, pub(self) rain: Option<Precipitation>,
/// Snow /// Snow
snow: Option<Precipitation>, pub(self) snow: Option<Precipitation>,
/// Weather /// Weather
weather: Vec<WeatherDetails>, pub(self) weather: Vec<WeatherDetails>,
} }
#[derive(Deserialize)] #[derive(Deserialize)]
pub struct WeatherAlert { pub struct WeatherAlert {
/// Name of the alert source. /// Name of the alert source.
sender_name: String, pub(self) sender_name: String,
/// Name of the Event /// Name of the Event
event: String, pub(self) event: String,
/// Date and time of the start of the alert (Unix Timestamp, UTC) /// Date and time of the start of the alert (Unix Timestamp, UTC)
start: u64, pub(self) start: u64,
/// Date and time of the end of the alert (Unix Timestamp, UTC) /// Date and time of the end of the alert (Unix Timestamp, UTC)
end: u64, pub(self) end: u64,
/// Description of the alert (localized). /// Description of the alert (localized).
description: String, pub(self) description: String,
/// Type(s) of severe weather. /// Type(s) of severe weather.
tags: Vec<String>, pub(self) tags: Vec<String>,
} }
#[derive(Deserialize)] #[derive(Deserialize)]
pub struct Precipitation { pub struct Precipitation {
/// Precipitation volume in the last hour in mm /// Precipitation volume in the last hour in mm
#[serde(rename = "1h")] #[serde(rename = "1h")]
hour: u16, pub(self) hour: u16,
} }
#[derive(Deserialize)] #[derive(Deserialize)]
pub struct WeatherDetails { pub struct WeatherDetails {
/// Identifier of the current weather condition, mapped to an enum for better matching
#[serde(rename = "id")] #[serde(rename = "id")]
condition: WeatherCondition, pub(self) condition: WeatherCondition,
main: String, /// Main weather event
description: String, pub(self) main: String,
icon: String /// Description of the current weather
pub(self) description: String,
/// OpenWeather Icon associated to the current weather
pub(self) icon: String,
} }
/// Weather Condition /// Weather Condition
@ -154,10 +192,10 @@ pub enum WeatherCondition {
impl From<u16> for WeatherCondition { impl From<u16> for WeatherCondition {
fn from(value: u16) -> Self { fn from(value: u16) -> Self {
match value { match value {
200 ..= 299 => Self::Thunderstorm, 200..=299 => Self::Thunderstorm,
300 ..= 399 => Self::Drizzle, 300..=399 => Self::Drizzle,
500 ..= 599 => Self::Rain, 500..=599 => Self::Rain,
600 ..= 699 => Self::Snow, 600..=699 => Self::Snow,
701 => Self::Mist, 701 => Self::Mist,
711 => Self::Smoke, 711 => Self::Smoke,
721 => Self::Haze, 721 => Self::Haze,

97
src/weather/mod.rs
View file

@ -1,25 +1,36 @@
use embedded_graphics::{ use embedded_graphics::{
draw_target::DrawTarget, image::Image, mono_font::MonoTextStyle, prelude::*, text::Text, draw_target::DrawTarget,
}; image::Image,
use embedded_plots::{ mono_font::MonoTextStyle,
axis::Scale, prelude::*,
curve::{Curve, PlotPoint}, text::{Alignment, Baseline, Text},
single_plot::SinglePlot,
}; };
use embedded_plots::{axis::Scale, curve::Curve, single_plot::SinglePlot};
use profont::{ use profont::{
PROFONT_12_POINT, PROFONT_14_POINT, PROFONT_24_POINT, PROFONT_7_POINT, PROFONT_9_POINT, PROFONT_12_POINT, PROFONT_14_POINT, PROFONT_24_POINT, PROFONT_7_POINT, PROFONT_9_POINT,
}; };
use ssd1675::Color; use ssd1675::Color;
use std::error::Error;
use std::fmt::Debug; use std::fmt::Debug;
use tinybmp::Bmp; use tinybmp::Bmp;
mod api;
mod data; mod data;
mod secret;
pub fn get_weather<D>(display: &mut D) pub fn get_weather<D>(display: &mut D)
where where
D: DrawTarget<Color = Color>, D: DrawTarget<Color = Color>,
D::Error: Debug, D::Error: Debug,
{ {
let weather_data = match api::get_weather_data() {
Ok(d) => d,
Err(e) => {
display_no_data(display, e);
return;
}
};
// draw image // draw image
let bmp_data = include_bytes!("../../rain2.bmp"); let bmp_data = include_bytes!("../../rain2.bmp");
let bmp = Bmp::<Color>::from_slice(bmp_data).unwrap(); let bmp = Bmp::<Color>::from_slice(bmp_data).unwrap();
@ -28,15 +39,15 @@ where
.expect("Failed to draw image"); .expect("Failed to draw image");
Text::new( Text::new(
&format!("{:.1}°C", -28.1), &format!("{:.1}°C", weather_data.current_temp()),
Point::new(75, 28), Point::new(75, 28),
MonoTextStyle::new(&PROFONT_24_POINT, Color::Black), MonoTextStyle::new(&PROFONT_24_POINT, Color::Red),
) )
.draw(display) .draw(display)
.expect("error drawing text"); .expect("error drawing text");
Text::new( Text::new(
"gefühlt: 12°C", &format!("gefühlt: {:.1}°C", weather_data.perceived_temp()),
Point::new(75, 39), Point::new(75, 39),
MonoTextStyle::new(&PROFONT_9_POINT, Color::Black), MonoTextStyle::new(&PROFONT_9_POINT, Color::Black),
) )
@ -44,7 +55,7 @@ where
.expect("error drawing text"); .expect("error drawing text");
Text::new( Text::new(
&format!("{:2.0}%", 32), &format!("{:2.0}%", weather_data.rain_probability()),
Point::new(10, 62), Point::new(10, 62),
MonoTextStyle::new(&PROFONT_14_POINT, Color::Black), MonoTextStyle::new(&PROFONT_14_POINT, Color::Black),
) )
@ -60,7 +71,7 @@ where
.expect("error drawing text"); .expect("error drawing text");
Text::new( Text::new(
&format!("{:2.0}%", 2.0), &format!("{:2.0}%", weather_data.humidity()),
Point::new(10, 81), Point::new(10, 81),
MonoTextStyle::new(&PROFONT_14_POINT, Color::Black), MonoTextStyle::new(&PROFONT_14_POINT, Color::Black),
) )
@ -75,12 +86,15 @@ where
.draw(display) .draw(display)
.expect("error drawing text"); .expect("error drawing text");
// TODO(feliix42): Color based on the value.
// https://de.wikipedia.org/wiki/UV-Index // https://de.wikipedia.org/wiki/UV-Index
let uvi = weather_data.uv_idx();
Text::new( Text::new(
&format!("{:2.0}", 3), &format!("{:2.0}", uvi),
Point::new(20, 100), Point::new(20, 100),
MonoTextStyle::new(&PROFONT_14_POINT, Color::Black), MonoTextStyle::new(
&PROFONT_14_POINT,
if uvi < 6 { Color::Black } else { Color::Red },
),
) )
.draw(display) .draw(display)
.expect("error drawing text"); .expect("error drawing text");
@ -93,26 +107,43 @@ where
.draw(display) .draw(display)
.expect("error drawing text"); .expect("error drawing text");
// TODO(feliix42): use test data to draw a forecast using // Plot the forecast
// https://crates.io/crates/embedded-plots // TODO(feliix42): Annotate the plot better??
let data: [f32; 24] = [ let data_points = weather_data.forecast_plot_data();
19.65, 19.32, 18.95, 18.55, 17.84, 16.44, 15.25, 14.29, 14.43, 15.07, 16.34, 18.06, 19.8,
21.39, 22.81, 23.8, 24.4, 24.78, 24.76, 24.43, 23.74, 21.67, 18.88, 17.43,
];
let data_points: Vec<PlotPoint> = data
.into_iter()
.enumerate()
.map(|(x, y)| PlotPoint {
x: x as i32,
y: y.round() as i32,
})
.collect();
let curve = Curve::from_data(&data_points); let curve = Curve::from_data(&data_points);
let plot = SinglePlot::new(&curve, Scale::RangeFraction(4), Scale::RangeFraction(3)) let plot = SinglePlot::new(&curve, Scale::RangeFraction(4), Scale::RangeFraction(2))
.into_drawable(Point::new(100, 54), Point::new(206, 94)) .into_drawable(Point::new(100, 54), Point::new(206, 94))
.set_color(Color::Black); .set_color(Color::Black);
plot.draw(display).expect("Failed to draw the temperature plot"); plot.draw(display)
.expect("Failed to draw the temperature plot");
}
fn display_no_data<D, E>(display: &mut D, err: E)
where
D: DrawTarget<Color = Color>,
D::Error: Debug,
E: Error,
{
Text::with_alignment(
"KEINE DATEN",
Point::new(106, 28),
MonoTextStyle::new(&PROFONT_24_POINT, Color::Red),
Alignment::Center,
)
.draw(display)
.expect("error drawing text");
eprintln!("[error] Failed to get/parse JSON:\n{}", err);
// TODO(feliix42): As soon as there is a custom text renderer for full texts, use it here!
Text::with_baseline(
&err.to_string(),
Point::new(5, 32),
MonoTextStyle::new(&PROFONT_12_POINT, Color::Black),
Baseline::Top,
)
.draw(display)
.expect("error drawing text");
} }

2
src/weather/secret.rs.example Normal file
View file

@ -0,0 +1,2 @@
/// Your API token for the OpenWeather API.
pub static API_TOKEN: &'static str = "1234";