wip

.vscode/launch.json

@@ -1,25 +1,6 @@
 {
-    /* 
-     * Requires the Rust Language Server (RLS) and Cortex-Debug extensions
-     * https://marketplace.visualstudio.com/items?itemName=rust-lang.rust
-     * https://marketplace.visualstudio.com/items?itemName=marus25.cortex-debug
-     */
     "version": "0.2.0",
     "configurations": [
-        {
-            "type": "cortex-debug",
-            "request": "launch",
-            "name": "Debug (QEMU)",
-            "servertype": "qemu",
-            "cwd": "${workspaceRoot}",
-            "preLaunchTask": "Cargo Build (debug)",
-            "runToMain": true,
-            "executable": "./target/thumbv7m-none-eabi/debug/app",
-            /* Run `cargo build --example hello` and uncomment this line to run semi-hosting example */
-            //"executable": "./target/thumbv7m-none-eabi/debug/examples/hello",
-            "cpu": "cortex-m3",
-            "machine": "lm3s6965evb",
-        },
         {
             "type": "cortex-debug",
             "request": "launch",
@@ -28,15 +9,12 @@
             "cwd": "${workspaceRoot}",
             "preLaunchTask": "Cargo Build (debug)",
             "runToMain": true,
-            "executable": "./target/thumbv7em-none-eabihf/debug/app",
-            /* Run `cargo build --example itm` and uncomment this line to run itm example */
-            // "executable": "./target/thumbv7em-none-eabihf/debug/examples/itm",
+            "executable": "./target/thumbv7em-none-eabihf/debug/nrf52-dk-app",
             "device": "NRF52832",
             "configFiles": [
                 "/usr/local/share/openocd/scripts/interface/jlink.cfg",
                 "/usr/local/share/openocd/scripts/board/nordic_nrf52_dk.cfg"
             ],
-            // "svdFile": "${workspaceRoot}/.vscode/STM32F303.svd",
             "swoConfig": {
                 "enabled": true,
                 "cpuFrequency": 8000000,

Cargo.toml

@@ -1,5 +1,5 @@
 [package]
-name = "app"
+name = "nrf52-dk-app"
 version = "0.1.0"
 authors = ["Andres O. Vela"]
 edition = "2018"
@@ -13,8 +13,7 @@ cortex-m-semihosting = "0.3.7"
 
 panic-semihosting = "0.5.6"
 
-nrf52832-hal = { features = ["rt"], path = "/home/tkl/nrf-hal/nrf52832-hal" }
-
+nrf52-pac = { git = "https://git.blackfinn.de/rust/nrf52-pac.git" }
 
 [dependencies.embedded-hal]
 version = "0.2.3"

src/main.rs

@@ -1,12 +1,10 @@
 #![no_std]
 #![no_main]
-use cortex_m::peripheral::{syst, Peripherals};
+use cortex_m::peripheral::Peripherals;
 use cortex_m_rt::{entry, exception};
 use cortex_m_semihosting::hprintln;
 
-use embedded_hal::digital::v2::OutputPin;
-use nrf52832_hal as hal;
-use nrf52832_hal::gpio::Level;
+use nrf52_pac;
 
 use panic_semihosting as _;
 
@@ -20,16 +18,23 @@ fn main() -> ! {
 
     let peripherals = Peripherals::take().unwrap();
     let mut systick = peripherals.SYST;
-    systick.set_clock_source(syst::SystClkSource::Core);
+    systick.set_clock_source(cortex_m::peripheral::syst::SystClkSource::Core);
     systick.set_reload(F_CPU / 1000 - 1);
     systick.clear_current();
     systick.enable_interrupt();
     systick.enable_counter();
 
-    let p = hal::pac::Peripherals::take().unwrap();
-    let port0 = hal::gpio::p0::Parts::new(p.P0);
-    let mut led = port0.p0_17.into_push_pull_output(Level::Low);
-    led.set_low().unwrap();
+    let nrf_peripherals = nrf52_pac::Peripherals::take().unwrap();
+    let p0 = nrf_peripherals.P0;
+
+    unsafe {
+        p0.outset.write(|w| w.bits(1 << 17));
+        p0.pin_cnf[17].write(|w| {
+            w.input().disconnect();
+            w.dir().output();
+            w
+        });
+    }
 
     let mut state:bool = false;
     loop {
@@ -38,11 +43,11 @@ fn main() -> ! {
                 FIRE_1S = false;
                 if state {
                     hprintln!("off").unwrap();
-                    led.set_low().unwrap();
+                    p0.outclr.write(|w| w.bits(1 << 17));
                     state = false;
                 } else {
                     hprintln!("on").unwrap();
-                    led.set_high().unwrap();
+                    p0.outset.write(|w| w.bits(1 << 17));
                     state = true;
                 }
             }