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8 changed files with 103 additions and 83 deletions

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@ -5,12 +5,13 @@ target = "xtensa-esp32-espidf"
linker = "ldproxy" linker = "ldproxy"
# runner = "espflash --monitor" # Select this runner for espflash v1.x.x # runner = "espflash --monitor" # Select this runner for espflash v1.x.x
runner = "espflash flash --monitor" # Select this runner for espflash v2.x.x runner = "espflash flash --monitor" # Select this runner for espflash v2.x.x
rustflags = [ "--cfg", "espidf_time64"] # Extending time_t for ESP IDF 5: https://github.com/esp-rs/rust/issues/110
[unstable] [unstable]
build-std = ["std", "panic_abort"] build-std = ["std", "panic_abort"]
[env] [env]
# Note: these variables are not used when using pio builder (`cargo build --features pio`) # Note: these variables are not used when using pio builder (`cargo build --features pio`)
ESP_IDF_VERSION = "release/v4.4" ESP_IDF_VERSION = "release/v5.1"
ESP_IDF_PATH_ISSUES = "warn" # or "ignore"

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@ -15,23 +15,18 @@ opt-level = "z"
[features] [features]
default = ["std", "hal", "esp-idf-sys/native"] default = ["std", "embassy", "esp-idf-svc/native"]
pio = ["esp-idf-svc/pio"]
std = ["alloc", "esp-idf-svc/binstart", "esp-idf-svc/std"]
alloc = ["esp-idf-svc/alloc"]
nightly = ["esp-idf-svc/nightly"]
experimental = ["esp-idf-svc/experimental"]
embassy = ["esp-idf-svc/embassy-sync", "esp-idf-svc/critical-section", "esp-idf-svc/embassy-time-driver"]
pio = ["esp-idf-sys/pio"]
all = ["std", "nightly", "experimental", "embassy"]
hal = ["esp-idf-hal", "embedded-svc", "esp-idf-svc"]
std = ["alloc", "esp-idf-sys/std", "esp-idf-sys/binstart", "embedded-svc?/std", "esp-idf-hal?/std", "esp-idf-svc?/std"]
alloc = ["embedded-svc?/alloc", "esp-idf-hal?/alloc", "esp-idf-svc?/alloc"]
nightly = ["embedded-svc?/nightly", "esp-idf-svc?/nightly"] # Future: "esp-idf-hal?/nightly"
experimental = ["embedded-svc?/experimental", "esp-idf-svc?/experimental"]
embassy = ["esp-idf-hal?/embassy-sync", "esp-idf-hal?/critical-section", "esp-idf-hal?/edge-executor", "esp-idf-svc?/embassy-time-driver", "esp-idf-svc?/embassy-time-isr-queue"]
[dependencies] [dependencies]
log = { version = "0.4.17", default-features = false } log = { version = "0.4.17", default-features = false }
esp-idf-sys = { version = "0.33", default-features = false } esp-idf-svc = { version = "0.47.3", default-features = false }
esp-idf-hal = { version = "0.41", optional = true, default-features = false }
esp-idf-svc = { version = "0.46", optional = true, default-features = false }
embedded-svc = { version = "0.25", optional = true, default-features = false } embedded-svc = { version = "0.25", optional = true, default-features = false }
nmea-parser = "0.10.0" nmea-parser = "0.10.0"
embedded-graphics = "0.8.0" embedded-graphics = "0.8.0"

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@ -1,6 +1,5 @@
// Necessary because of this issue: https://github.com/rust-lang/cargo/issues/9641 // Necessary because of this issue: https://github.com/rust-lang/cargo/issues/9641
fn main() -> Result<(), Box<dyn std::error::Error>> { fn main() -> Result<(), Box<dyn std::error::Error>> {
embuild::build::CfgArgs::output_propagated("ESP_IDF")?; embuild::espidf::sysenv::output();
embuild::build::LinkArgs::output_propagated("ESP_IDF")?;
Ok(()) Ok(())
} }

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@ -1,25 +1,23 @@
use crate::error::Error; use crate::error::Error;
use display_interface_i2c::I2CInterface;
use embedded_graphics::{ use embedded_graphics::{
prelude::*, mono_font::{ascii::FONT_10X20, MonoTextStyle},
mono_font::{ascii::FONT_7X13, ascii::FONT_10X20, MonoTextStyle},
pixelcolor::BinaryColor, pixelcolor::BinaryColor,
text::{Text, Alignment}, prelude::*,
text::{Alignment, Text},
}; };
use esp_idf_hal::{ use esp_idf_svc::hal::i2c::I2cDriver;
self,
prelude::Peripherals,
units::Hertz,
i2c::{I2cConfig, I2cDriver, I2c} use ssd1306::{
prelude::*, rotation::DisplayRotation, size::DisplaySize, I2CDisplayInterface, Ssd1306,
}; };
use ssd1306::{prelude::*, I2CDisplayInterface, Ssd1306}; // clear the stage of failure of the display
use display_interface_i2c;
/// Enum to make clear the stage of failure of the display
#[derive(Debug)] #[derive(Debug)]
pub enum DisplayError { pub enum DisplayError {
SetupError(display_interface::DisplayError), SetupError(display_interface::DisplayError),
@ -28,44 +26,45 @@ pub enum DisplayError {
} }
pub struct Display<'a, SIZE: DisplaySize> { pub struct Display<'a, SIZE: DisplaySize> {
display: Ssd1306<I2CInterface<I2cDriver<'a>>, SIZE, ssd1306::mode::BufferedGraphicsMode<SIZE>> display: Ssd1306<I2CInterface<I2cDriver<'a>>, SIZE, ssd1306::mode::BufferedGraphicsMode<SIZE>>,
} }
impl<'a, SIZE: DisplaySize> Display<'a, SIZE> impl<'a, SIZE: DisplaySize> Display<'a, SIZE> {
{
/// Function to create a new display interface abstraction /// Function to create a new display interface abstraction
pub fn new(i2c: I2cDriver<'a>, size: SIZE, rotation: DisplayRotation) -> Result<Display<'a, SIZE>, Error> { pub fn new(
i2c: I2cDriver<'a>,
size: SIZE,
rotation: DisplayRotation,
) -> Result<Display<'a, SIZE>, Error> {
// Construct the I2C driver into a display interface // Construct the I2C driver into a display interface
let interface = I2CDisplayInterface::new(i2c); let interface = I2CDisplayInterface::new(i2c);
// Construct display with new anew driver // Construct display with new anew driver
let mut display = Ssd1306::new(interface, size, rotation) let mut display = Ssd1306::new(interface, size, rotation).into_buffered_graphics_mode();
.into_buffered_graphics_mode(); display
display.init().map_err(|err| Error::DisplayError(DisplayError::SetupError(err)))?; .init()
.map_err(|err| Error::DisplayError(DisplayError::SetupError(err)))?;
Ok(Display{display}) Ok(Display { display })
} }
/// Function to draw a given set of text to a display /// Function to draw a given set of text to a display
pub fn draw(&mut self, text: &str) -> Result<(), Error> { pub fn draw(&mut self, text: &str) -> Result<(), Error> {
// Clear display ready for next write // Clear display ready for next write
let style = MonoTextStyle::new(&FONT_10X20, BinaryColor::On); let style = MonoTextStyle::new(&FONT_10X20, BinaryColor::On);
self.display.clear(BinaryColor::Off) self.display
.map_err(|_| Error::DisplayError(DisplayError::DrawingError))?; .clear(BinaryColor::Off)
.map_err(|_| Error::DisplayError(DisplayError::DrawingError))?;
// Draw text to Display // Draw text to Display
Text::with_alignment( Text::with_alignment(text, Point::new(64, 20), style, Alignment::Center)
text, .draw(&mut self.display)
Point::new(64, 20), .map_err(|_| Error::DisplayError(DisplayError::DrawingError))?;
style,
Alignment::Center,
)
.draw(&mut self.display)
.map_err(|_| Error::DisplayError(DisplayError::DrawingError))?;
//Flush data to the display //Flush data to the display
self.display.flush() self.display
.map_err(|_| Error::DisplayError(DisplayError::FlushError))?; .flush()
.map_err(|_| Error::DisplayError(DisplayError::FlushError))?;
Ok(()) Ok(())
} }

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@ -1,4 +1,4 @@
use esp_idf_sys::EspError; use esp_idf_svc::sys::EspError;
use crate::display::DisplayError; use crate::display::DisplayError;
use crate::gps::GpsError; use crate::gps::GpsError;

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@ -16,12 +16,13 @@ pub struct GpsData {
/// Altitude reported from GPS location /// Altitude reported from GPS location
altitude: Option<f64>, altitude: Option<f64>,
/// Timestamp of the last report /// Timestamp of the last report
timestamp: Option<DateTime<Utc>> timestamp: Option<DateTime<Utc>>,
} }
impl ToString for GpsData { impl ToString for GpsData {
fn to_string(&self) -> String { fn to_string(&self) -> String {
format!("Latitude: {:.4?} \nLongitude: {:.4?} \nSpeed: {:.1?}mph \nAltitude: {:.1?}m", format!(
"Latitude: {:.4?} \nLongitude: {:.4?} \nSpeed: {:.1?}mph \nAltitude: {:.1?}m",
self.latitude.unwrap_or_default(), self.latitude.unwrap_or_default(),
self.longitude.unwrap_or_default(), self.longitude.unwrap_or_default(),
self.speed.unwrap_or_default(), self.speed.unwrap_or_default(),
@ -40,7 +41,8 @@ impl GpsData {
// Format the nmea buffer into a usable string // Format the nmea buffer into a usable string
let nmea_raw = String::from_utf8(buf.to_owned()) let nmea_raw = String::from_utf8(buf.to_owned())
.map_err(|_| GpsError::ReadError()).unwrap_or_default(); .map_err(|_| GpsError::ReadError())
.unwrap_or_default();
let nmea_vec: Vec<&str> = nmea_raw.split('$').collect(); let nmea_vec: Vec<&str> = nmea_raw.split('$').collect();
// Loop through each sentence and use the information to update GPS data // Loop through each sentence and use the information to update GPS data
@ -57,7 +59,9 @@ impl GpsData {
let nmea = match nmea_parser.parse_sentence(sentence.as_str()) { let nmea = match nmea_parser.parse_sentence(sentence.as_str()) {
Ok(nmea) => nmea, Ok(nmea) => nmea,
// Don't continue processing a sentence if we know that it isn't supported // Don't continue processing a sentence if we know that it isn't supported
Err(_) => { continue; } Err(_) => {
continue;
}
}; };
// print decoded gps data to serial // print decoded gps data to serial
@ -67,7 +71,7 @@ impl GpsData {
// Update Altitude above ground level // Update Altitude above ground level
self.altitude = match gga.altitude { self.altitude = match gga.altitude {
Some(_) => gga.altitude, Some(_) => gga.altitude,
None => self.altitude None => self.altitude,
}; };
} }
nmea_parser::ParsedMessage::Gll(gll) => { nmea_parser::ParsedMessage::Gll(gll) => {
@ -88,14 +92,16 @@ impl GpsData {
None => {} None => {}
} }
} }
}, }
nmea_parser::ParsedMessage::Rmc(rms) => { nmea_parser::ParsedMessage::Rmc(rms) => {
// Update Ground Speed // Update Ground Speed
match rms.sog_knots { match rms.sog_knots {
Some(_) => self.speed = Some(knots_to_mph(rms.sog_knots.unwrap_or_default())), Some(_) => {
self.speed = Some(knots_to_mph(rms.sog_knots.unwrap_or_default()))
}
None => {} None => {}
} }
}, }
_ => {} _ => {}
} }
} }
@ -104,15 +110,12 @@ impl GpsData {
} }
/// Function to get a &str of the current speed reported by the GPS module /// Function to get a &str of the current speed reported by the GPS module
pub fn get_speed(&self) -> String { pub fn get_speed(&self) -> Option<f64> {
match self.speed { self.speed
Some(speed) => format!("{:.2?}mph\n", speed),
None => format!("AWAITING\nGPS\nDATA")
}
} }
} }
/// Function to simply convert knots to mph /// Function to simply convert knots to mph
fn knots_to_mph(knots: f64) -> f64{ fn knots_to_mph(knots: f64) -> f64 {
knots * 1.150779 knots * 1.150779
} }

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@ -1,4 +1,4 @@
use esp_idf_hal::{ use esp_idf_svc::hal::{
self, self,
peripheral::Peripheral, peripheral::Peripheral,
gpio::{AnyInputPin, AnyOutputPin, InputPin}, gpio::{AnyInputPin, AnyOutputPin, InputPin},

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@ -1,12 +1,14 @@
#![allow(unused)] #![allow(unused)]
use esp_idf_hal::{ use esp_idf_svc::hal::{
self, self,
gpio::*,
i2c::{I2cConfig, I2cDriver}, i2c::{I2cConfig, I2cDriver},
prelude::Peripherals, prelude::Peripherals,
units::Hertz, units::Hertz,
}; };
use esp_idf_sys as _; // If using the `binstart` feature of `esp-idf-sys`, always keep this module imported
use std::sync::atomic::{AtomicBool, Ordering};
mod error; mod error;
use error::Error; use error::Error;
@ -14,16 +16,16 @@ use error::Error;
mod appstate; mod appstate;
mod gps; mod gps;
use gps::{gpsdata, GPS}; use gps::{gpsdata::GpsData, GPS};
mod display; mod display;
use display::{Display, DisplayError}; use display::Display;
use ssd1306::prelude::*; use ssd1306::prelude::*;
fn main() -> Result<(), Error> { fn main() -> Result<(), Error> {
// It is necessary to call this function once. Otherwise some patches to the runtime // It is necessary to call this function once. Otherwise some patches to the runtime
// implemented by esp-idf-sys might not link properly. See https://github.com/esp-rs/esp-idf-template/issues/71 // implemented by esp-idf-sys might not link properly. See https://github.com/esp-rs/esp-idf-template/issues/71
esp_idf_sys::link_patches(); esp_idf_svc::sys::link_patches();
// Bind the log crate to the ESP Logging facilities // Bind the log crate to the ESP Logging facilities
//esp_idf_svc::log::EspLogger::initialize_default(); //esp_idf_svc::log::EspLogger::initialize_default();
@ -42,20 +44,41 @@ fn main() -> Result<(), Error> {
let i2c = let i2c =
I2cDriver::new(peripherals.i2c0, sda, scl, &config).map_err(|err| Error::EspError(err))?; I2cDriver::new(peripherals.i2c0, sda, scl, &config).map_err(|err| Error::EspError(err))?;
// Setup GPIO interrupts
static FLAG: AtomicBool = AtomicBool::new(false);
let mut interrupt_button_handle = PinDriver::input(pins.gpio9).unwrap();
interrupt_button_handle.set_pull(Pull::Up);
interrupt_button_handle.set_interrupt_type(InterruptType::NegEdge);
unsafe {
interrupt_button_handle.subscribe(app_state_interrupt);
}
interrupt_button_handle.enable_interrupt();
// Prepare components for processing
let mut gps: GPS = GPS::new(peripherals.uart0, gps_rx)?; let mut gps: GPS = GPS::new(peripherals.uart0, gps_rx)?;
let mut display: Display<DisplaySize128x64> = let mut display: Display<DisplaySize128x64> =
Display::new(i2c, DisplaySize128x64, DisplayRotation::Rotate0)?; Display::new(i2c, DisplaySize128x64, DisplayRotation::Rotate0)?;
let mut app_state = appstate::AppState::default(); let mut _app_state = appstate::AppState::default();
const NO_DATA: &str = "NO\nGPS\nDATA";
loop { loop {
let text: &str; let text: String;
// Get the latest data from GPS module and flush to Display // Get the latest data from GPS module and flush to Display
match gps.poll() { text = match gps.poll() {
Ok(res) => display.draw(&res.get_speed().as_str())?, Ok(res) => match res.get_speed() {
Some(s) => format!("{:.2} MPH", s),
None => NO_DATA.to_string(),
},
Err(e) => { Err(e) => {
display.draw("NO\nGPS\nDATA"); eprintln!("{:?}", e);
NO_DATA.to_string()
} }
} };
display.draw(text.as_str())?
} }
} }
fn app_state_interrupt() {
println!("inteerrupt");
}