Add Digistump Digispark board

Cargo.toml

@@ -32,6 +32,7 @@ members = [
  "examples/sparkfun-promicro",
  "examples/trinket-pro",
  "examples/trinket",
+ "examples/digispark"
 ]
 exclude = [
  # The RAVEDUDE! Yeah!

arduino-hal/Cargo.toml

@@ -20,6 +20,7 @@ trinket-pro = ["mcu-atmega", "atmega-hal/atmega328p", "board-selected"]
 sparkfun-promicro = ["mcu-atmega", "atmega-hal/atmega32u4", "board-selected"]
 trinket = ["mcu-attiny", "attiny-hal/attiny85", "board-selected"]
 nano168 = ["mcu-atmega", "atmega-hal/atmega168", "atmega-hal/enable-extra-adc", "board-selected"]
+digispark = ["mcu-attiny", "attiny-hal/attiny85", "board-selected"]
 
 [dependencies]
 cfg-if = "1"

arduino-hal/src/clock.rs

@@ -23,6 +23,7 @@ pub(crate) mod default {
  feature = "sparkfun-promicro",
  feature = "trinket-pro",
  feature = "nano168",
+ feature = "digispark"
  ))]
  pub type DefaultClock = avr_hal_generic::clock::MHz16;
  #[cfg(feature = "trinket")]

arduino-hal/src/lib.rs

@@ -15,6 +15,7 @@
 #![cfg_attr(feature = "trinket-pro", doc = "**Trinket Pro**.")]
 #![cfg_attr(feature = "trinket", doc = "**Trinket**.")]
 #![cfg_attr(feature = "nano168", doc = "**Nano clone (ATmega168)**.")]
+#![cfg_attr(feature = "digispark",doc = "**Digistump Digispark**.")]
 //! This means that only items which are available for this board are visible. If you are using a
 //! different board, try building the documentation locally with
 //!
@@ -60,6 +61,7 @@ compile_error!(
  * trinket-pro
  * trinket
  * nano168
+ * digispark
  "
 );
 

arduino-hal/src/port/digispark.rs

@@ -0,0 +1,20 @@
+pub use attiny_hal::port::{mode, Pin, PinMode, PinOps};
+
+avr_hal_generic::renamed_pins! {
+ type Pin = Pin;
+
+ pub struct Pins from attiny_hal::Pins {
+ /// `#0`: `PB0`, `DI`(SPI), `SDA`(I2C)
+ pub d0: attiny_hal::port::PB0 = pb0,
+ /// `#1`: `PB1`, `DO`(SPI), Builtin LED
+ pub d1: attiny_hal::port::PB1 = pb1,
+ /// `#2`: `PB2`, `SCK`(SPI), `SCL`(I2C)
+ pub d2: attiny_hal::port::PB2 = pb2,
+ /// `#3`: `PB3`, USB-
+ pub d3: attiny_hal::port::PB3 = pb3,
+ /// `#4`: `PB4`, USB+
+ pub d4: attiny_hal::port::PB4 = pb4,
+ /// `#5`: `PB5`, Reset
+ pub d5: attiny_hal::port::PB5 = pb5,
+ }
+}

arduino-hal/src/port/mod.rs

@@ -43,3 +43,7 @@ pub use trinket_pro::*;
 mod trinket;
 #[cfg(feature = "trinket")]
 pub use trinket::*;
+#[cfg(feature = "digispark")]
+mod digispark;
+#[cfg(feature = "digispark")]
+pub use digispark::*;

examples/digispark/.cargo/config.toml

@@ -0,0 +1,8 @@
+[build]
+target = "../../avr-specs/avr-attiny85.json"
+
+[target.'cfg(target_arch = "avr")']
+runner = "micronucleus-runner"
+
+[unstable]
+build-std = ["core"]

examples/digispark/Cargo.toml

@@ -0,0 +1,14 @@
+[package]
+name = "digispark-examples"
+version = "0.0.0"
+authors = ["Jan Paw <[email protected]>"]
+edition = "2018"
+publish = false
+
+[dependencies]
+panic-halt = "0.2.0"
+embedded-hal = "0.2.3"
+
+[dependencies.arduino-hal]
+path = "../../arduino-hal/"
+features = ["digispark"]

examples/digispark/src/bin/digispark-blink.rs

@@ -0,0 +1,25 @@
+#![no_std]
+#![no_main]
+
+use panic_halt as _;
+
+#[arduino_hal::entry]
+fn main() -> ! {
+ let dp = arduino_hal::Peripherals::take().unwrap();
+ let pins = arduino_hal::pins!(dp);
+
+ // Digital pin 1 is also connected to an onboard LED marked "L"
+ let mut led = pins.d1.into_output();
+ led.set_high();
+
+ loop {
+ led.toggle();
+ arduino_hal::delay_ms(100);
+ led.toggle();
+ arduino_hal::delay_ms(100);
+ led.toggle();
+ arduino_hal::delay_ms(100);
+ led.toggle();
+ arduino_hal::delay_ms(800);
+ }
+}

examples/digispark/src/bin/digispark-simple-pwm.rs

@@ -0,0 +1,28 @@
+/*!
+ * Example of using simple_pwm to fade the built-in LED in and out.
+ */
+
+#![no_std]
+#![no_main]
+
+use arduino_hal::simple_pwm::*;
+use panic_halt as _;
+
+#[arduino_hal::entry]
+fn main() -> ! {
+ let dp = arduino_hal::Peripherals::take().unwrap();
+ let pins = arduino_hal::pins!(dp);
+
+ let timer0 = Timer0Pwm::new(dp.TC0, Prescaler::Prescale64);
+
+ // Digital pin 1 is also connected to an onboard LED marked "L"
+ let mut pwm_led = pins.d1.into_output().into_pwm(&timer0);
+ pwm_led.enable();
+
+ loop {
+ for x in (0..=255).chain((0..=254).rev()) {
+ pwm_led.set_duty(x);
+ arduino_hal::delay_ms(10);
+ }
+ }
+}