blink example

Cargo.lock

@@ -18,6 +18,33 @@ dependencies = [
  "stable_deref_trait 1.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "atsamd-hal"
+version = "0.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "atsamd21g18a 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bitfield 0.13.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cortex-m 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "embedded-hal 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "nb 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "paste 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_core 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "vcell 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "atsamd21g18a"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "bare-metal 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cortex-m 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cortex-m-rt 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "vcell 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "bare-metal"
 version = "0.2.5"
@@ -26,6 +53,11 @@ dependencies = [
  "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "bitfield"
+version = "0.13.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "cortex-m"
 version = "0.6.2"
@@ -63,6 +95,15 @@ dependencies = [
  "cortex-m 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "embedded-hal"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "nb 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "generic-array"
 version = "0.12.3"
@@ -79,6 +120,23 @@ dependencies = [
  "typenum 1.11.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "metro_m0"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "atsamd-hal 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cortex-m 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cortex-m-rt 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "embedded-hal 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "nb 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "nb"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "onyx"
 version = "0.1.0"
@@ -86,6 +144,7 @@ dependencies = [
  "cortex-m 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "cortex-m-rt 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "cortex-m-semihosting 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "metro_m0 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "panic-halt 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -94,6 +153,36 @@ name = "panic-halt"
 version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "paste"
+version = "0.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "paste-impl 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro-hack 0.5.11 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "paste-impl"
+version = "0.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "proc-macro-hack 0.5.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 1.0.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.14 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "proc-macro-hack"
+version = "0.5.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "proc-macro2 1.0.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.14 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "proc-macro2"
 version = "1.0.8"
@@ -115,6 +204,11 @@ name = "r0"
 version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "rand_core"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "rustc_version"
 version = "0.2.3"
@@ -166,6 +260,11 @@ name = "vcell"
 version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "void"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "volatile-register"
 version = "0.2.0"
@@ -177,17 +276,27 @@ dependencies = [
 [metadata]
 "checksum aligned 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "eb1ce8b3382016136ab1d31a1b5ce807144f8b7eb2d5f16b2108f0f07edceb94"
 "checksum as-slice 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "be6b7e95ac49d753f19cab5a825dea99a1149a04e4e3230b33ae16e120954c04"
+"checksum atsamd-hal 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)" = "db54e444b4585e7844c4d8459b4af5ef093c42a05ba40eb1cee57c4b5e7bebe8"
+"checksum atsamd21g18a 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "a5486b991ab0012b18f749e0b4bd71d882b4d6134dd58a1c16b571cf2e3d40eb"
 "checksum bare-metal 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)" = "5deb64efa5bd81e31fcd1938615a6d98c82eafcbcd787162b6f63b91d6bac5b3"
+"checksum bitfield 0.13.2 (registry+https://github.com/rust-lang/crates.io-index)" = "46afbd2983a5d5a7bd740ccb198caf5b82f45c40c09c0eed36052d91cb92e719"
 "checksum cortex-m 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)" = "2954942fbbdd49996704e6f048ce57567c3e1a4e2dc59b41ae9fde06a01fc763"
 "checksum cortex-m-rt 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)" = "33a716cd7d8627fae3892c2eede9249e50d2d79aedfb43ca28dad9a2b23876d9"
 "checksum cortex-m-rt-macros 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)" = "72b1073338d1e691b3b7aaf6bd61993e589ececce9242a02dfa5453e1b98918d"
 "checksum cortex-m-semihosting 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)" = "113ef0ecffee2b62b58f9380f4469099b30e9f9cbee2804771b4203ba1762cfa"
+"checksum embedded-hal 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "ee4908a155094da7723c2d60d617b820061e3b4efcc3d9e293d206a5a76c170b"
 "checksum generic-array 0.12.3 (registry+https://github.com/rust-lang/crates.io-index)" = "c68f0274ae0e023facc3c97b2e00f076be70e254bc851d972503b328db79b2ec"
 "checksum generic-array 0.13.2 (registry+https://github.com/rust-lang/crates.io-index)" = "0ed1e761351b56f54eb9dcd0cfaca9fd0daecf93918e1cfc01c8a3d26ee7adcd"
+"checksum metro_m0 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "4f8587c21c41140a26fbcea87e658198bff10dae53ae978ea4add5e0df7f4cf4"
+"checksum nb 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "b1411551beb3c11dedfb0a90a0fa256b47d28b9ec2cdff34c25a2fa59e45dbdc"
 "checksum panic-halt 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "de96540e0ebde571dc55c73d60ef407c653844e6f9a1e2fdbd40c07b9252d812"
+"checksum paste 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)" = "423a519e1c6e828f1e73b720f9d9ed2fa643dce8a7737fb43235ce0b41eeaa49"
+"checksum paste-impl 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)" = "4214c9e912ef61bf42b81ba9a47e8aad1b2ffaf739ab162bf96d1e011f54e6c5"
+"checksum proc-macro-hack 0.5.11 (registry+https://github.com/rust-lang/crates.io-index)" = "ecd45702f76d6d3c75a80564378ae228a85f0b59d2f3ed43c91b4a69eb2ebfc5"
 "checksum proc-macro2 1.0.8 (registry+https://github.com/rust-lang/crates.io-index)" = "3acb317c6ff86a4e579dfa00fc5e6cca91ecbb4e7eb2df0468805b674eb88548"
 "checksum quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "053a8c8bcc71fcce321828dc897a98ab9760bef03a4fc36693c231e5b3216cfe"
 "checksum r0 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "e2a38df5b15c8d5c7e8654189744d8e396bddc18ad48041a500ce52d6948941f"
+"checksum rand_core 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "90bde5296fc891b0cef12a6d03ddccc162ce7b2aff54160af9338f8d40df6d19"
 "checksum rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "138e3e0acb6c9fb258b19b67cb8abd63c00679d2851805ea151465464fe9030a"
 "checksum semver 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1d7eb9ef2c18661902cc47e535f9bc51b78acd254da71d375c2f6720d9a40403"
 "checksum semver-parser 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
@@ -196,4 +305,5 @@ dependencies = [
 "checksum typenum 1.11.2 (registry+https://github.com/rust-lang/crates.io-index)" = "6d2783fe2d6b8c1101136184eb41be8b1ad379e4657050b8aaff0c79ee7575f9"
 "checksum unicode-xid 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "826e7639553986605ec5979c7dd957c7895e93eabed50ab2ffa7f6128a75097c"
 "checksum vcell 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "876e32dcadfe563a4289e994f7cb391197f362b6315dc45e8ba4aa6f564a4b3c"
+"checksum void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "6a02e4885ed3bc0f2de90ea6dd45ebcbb66dacffe03547fadbb0eeae2770887d"
 "checksum volatile-register 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "0d67cb4616d99b940db1d6bd28844ff97108b498a6ca850e5b6191a532063286"

Cargo.toml

@@ -10,6 +10,7 @@ cortex-m = "0.6.0"
 cortex-m-rt = "0.6.10"
 cortex-m-semihosting = "0.3.3"
 panic-halt = "0.2.0"
+metro_m0 = "0.6.0"
 
 # Uncomment for the panic example.
 # panic-itm = "0.4.1"

examples/hello.rs

@@ -14,7 +14,7 @@ fn main() -> ! {
 
     // exit QEMU
     // NOTE do not run this on hardware; it can corrupt OpenOCD state
-    debug::exit(debug::EXIT_SUCCESS);
+    // debug::exit(debug::EXIT_SUCCESS);
 
     loop {}
 }

flash

@@ -0,0 +1,3 @@
+#!/usr/bin/env bash
+
+cargo build --release && sudo bossac -p /dev/ttyACM0 -e -w -v -R --offset 0x2000 target/thumbv6m-none-eabi/release/onyx

memory.x

@@ -1,10 +1,7 @@
 MEMORY
 {
-  /* NOTE 1 K = 1 KiBi = 1024 bytes */
+  FLASH (rx) : ORIGIN = 0x00000000 + 8K, LENGTH = 256K - 8K
-  /* TODO Adjust these memory regions to match your device memory layout */
+  RAM (xrw)  : ORIGIN = 0x20000000, LENGTH = 32K
-  /* These values correspond to the LM3S6965, one of the few devices QEMU can emulate */
-  FLASH : ORIGIN = 0x00000000, LENGTH = 256K
-  RAM : ORIGIN = 0x20000000, LENGTH = 32K
 }
 
 /* This is where the call stack will be allocated. */

src/main.rs

@@ -3,18 +3,36 @@
 
 // pick a panicking behavior
 extern crate panic_halt; // you can put a breakpoint on `rust_begin_unwind` to catch panics
-// extern crate panic_abort; // requires nightly
+                         // extern crate panic_abort; // requires nightly
-// extern crate panic_itm; // logs messages over ITM; requires ITM support
+                         // extern crate panic_itm; // logs messages over ITM; requires ITM support
-// extern crate panic_semihosting; // logs messages to the host stderr; requires a debugger
+                         // extern crate panic_semihosting; // logs messages to the host stderr; requires a debugger
 
-use cortex_m::asm;
+use metro_m0 as hal;
-use cortex_m_rt::entry;
+
+use hal::clock::GenericClockController;
+use hal::delay::Delay;
+use hal::entry;
+use hal::pac::{CorePeripherals, Peripherals};
+use hal::prelude::*;
 
 #[entry]
 fn main() -> ! {
-    asm::nop(); // To not have main optimize to abort in release mode, remove when you add code
+    let mut peripherals = Peripherals::take().unwrap();
+    let core = CorePeripherals::take().unwrap();
+    let mut clocks = GenericClockController::with_external_32kosc(
+        peripherals.GCLK,
+        &mut peripherals.PM,
+        &mut peripherals.SYSCTRL,
+        &mut peripherals.NVMCTRL,
+    );
+    let mut pins = hal::Pins::new(peripherals.PORT);
+    let mut red_led = pins.d13.into_open_drain_output(&mut pins.port);
 
+    let mut delay = Delay::new(core.SYST, &mut clocks);
     loop {
-        // your code goes here
+        delay.delay_ms(200u8);
+        red_led.set_high().unwrap();
+        delay.delay_ms(200u8);
+        red_led.set_low().unwrap();
     }
 }