├── .bobbin └── config ├── .cargo └── config ├── .gdbinit ├── .gitignore ├── Cargo.toml ├── LICENSE-APACHE ├── LICENSE-MIT ├── README.md ├── examples └── blinky.rs ├── openocd.cfg └── src └── lib.rs /.bobbin/config: -------------------------------------------------------------------------------- 1 | [loader] 2 | jlink-device="nRF52840_xxAA" 3 | 4 | [filter] 5 | device = "1ba7f951" 6 | 7 | [builder] 8 | target = "thumbv7em-none-eabihf" 9 | 10 | -------------------------------------------------------------------------------- /.cargo/config: -------------------------------------------------------------------------------- 1 | # vim:ft=toml: 2 | [target.thumbv7em-none-eabihf] 3 | runner = 'arm-none-eabi-gdb' 4 | rustflags = [ 5 | "-C", "link-arg=-Tlink.x", 6 | ] 7 | 8 | [build] 9 | target = "thumbv7em-none-eabihf" 10 | -------------------------------------------------------------------------------- /.gdbinit: -------------------------------------------------------------------------------- 1 | # print demangled symbols by default 2 | set print asm-demangle on 3 | 4 | # OpenOCD 5 | #set remote hardware-breakpoint-limit 6 6 | #set remote hardware-watchpoint-limit 4 7 | #target extended-remote :3333 8 | target remote :3333 9 | monitor flash breakpoints 1 10 | monitor semihosting enable 11 | monitor semihosting IOClient 3 12 | monitor reset 13 | load 14 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | target 2 | *.rs.bk 3 | [._]*.sw[a-p] 4 | /target 5 | Cargo.lock 6 | /.gdb_history 7 | -------------------------------------------------------------------------------- /Cargo.toml: -------------------------------------------------------------------------------- 1 | [package] 2 | authors = ["Wez Furlong "] 3 | categories = ["embedded", "hardware-support", "no-std"] 4 | description = "Rust support for the nrf52840-mdk development board" 5 | keywords = ["arm", "cortex-m", "nrf52840", "hal"] 6 | license = "MIT OR Apache-2.0" 7 | name = "nrf52840-mdk" 8 | repository = "https://github.com/nrf-rs/nrf52840-mdk" 9 | version = "0.0.1" 10 | edition = "2018" 11 | 12 | [dependencies] 13 | nrf52840-hal = { path = "../nrf52-hal/nrf52840-hal" } 14 | 15 | [dev-dependencies] 16 | cortex-m-rt = "0.6" 17 | panic-halt = "0.2" 18 | 19 | [features] 20 | rt = ["nrf52840-hal/rt"] 21 | default = ["rt"] 22 | #usb = ["nrf52840-hal/usb"] 23 | 24 | [profile.dev] 25 | incremental = false 26 | codegen-units = 1 27 | debug = true 28 | lto = false 29 | 30 | [profile.release] 31 | debug = true 32 | lto = true 33 | opt-level = "s" 34 | -------------------------------------------------------------------------------- /LICENSE-APACHE: -------------------------------------------------------------------------------- 1 | Apache License 2 | Version 2.0, January 2004 3 | http://www.apache.org/licenses/ 4 | 5 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 6 | 7 | 1. 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IN NO EVENT 21 | SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY 22 | CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 23 | OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR 24 | IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 25 | DEALINGS IN THE SOFTWARE. 26 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # Rust for nrf52840-mdk 2 | 3 | https://github.com/makerdiary/nrf52840-mdk 4 | 5 | ## OpenOCD 6 | 7 | I was unable to get this working with the openocd that ships with 8 | ubuntu 18.04, but was able to hook up SWD to my JLink. This thread 9 | is someone else having similar issues: 10 | 11 | https://devzone.nordicsemi.com/b/blog/posts/debugging-on-nrf52840-with-gdb-from-cli-on-linux 12 | 13 | ## JLink 14 | 15 | I hooked up my JLink using one of these breakouts: 16 | https://www.adafruit.com/product/2743 17 | 18 | | MDK | SWD Breakout | 19 | | ----- | ------------ | 20 | | 3V3 | Vref | 21 | | RST | RST | 22 | | SWDIO | SWIO | 23 | | SWCLK | CLK | 24 | | TDO | SWO | 25 | | GND | GND x 3 | 26 | 27 | ## License 28 | 29 | Licensed under either of 30 | 31 | - Apache License, Version 2.0 ([LICENSE-APACHE](LICENSE-APACHE) or 32 | http://www.apache.org/licenses/LICENSE-2.0) 33 | - MIT license ([LICENSE-MIT](LICENSE-MIT) or http://opensource.org/licenses/MIT) 34 | 35 | at your option. 36 | 37 | ### Contribution 38 | 39 | Unless you explicitly state otherwise, any contribution intentionally submitted 40 | for inclusion in the work by you, as defined in the Apache-2.0 license, shall be 41 | dual licensed as above, without any additional terms or conditions. 42 | -------------------------------------------------------------------------------- /examples/blinky.rs: -------------------------------------------------------------------------------- 1 | #![no_main] 2 | #![no_std] 3 | 4 | extern crate panic_halt; 5 | use cortex_m_rt::entry; 6 | 7 | use nrf52840_mdk::hal::gpio::{p0, p1, Level}; 8 | use nrf52840_mdk::hal::prelude::*; 9 | use nrf52840_mdk::hal::timer::Timer; 10 | use nrf52840_mdk::nrf52840_pac::Peripherals; 11 | use nrf52840_mdk::Pins; 12 | 13 | #[entry] 14 | fn main() -> ! { 15 | let p = Peripherals::take().unwrap(); 16 | let pins = Pins::new(p0::Parts::new(p.P0), p1::Parts::new(p.P1)); 17 | 18 | let mut red_led = pins.red_led.into_push_pull_output(Level::Low); 19 | let mut blue_led = pins.blue_led.into_push_pull_output(Level::Low); 20 | let mut green_led = pins.green_led.into_push_pull_output(Level::Low); 21 | 22 | green_led.set_high(); 23 | red_led.set_high(); 24 | blue_led.set_high(); 25 | 26 | let mut timer = Timer::new(p.TIMER0); 27 | 28 | // Alternately flash the red, green and blue leds 29 | loop { 30 | green_led.set_high(); 31 | red_led.set_low(); 32 | blue_led.set_high(); 33 | timer.delay(250_000); // 250ms 34 | red_led.set_high(); 35 | blue_led.set_low(); 36 | timer.delay(1_000_000); // 1s 37 | green_led.set_low(); 38 | blue_led.set_high(); 39 | red_led.set_high(); 40 | timer.delay(250_000); // 250ms 41 | } 42 | } 43 | -------------------------------------------------------------------------------- /openocd.cfg: -------------------------------------------------------------------------------- 1 | source [find interface/cmsis-dap.cfg] 2 | source [find target/nrf52.cfg] 3 | -------------------------------------------------------------------------------- /src/lib.rs: -------------------------------------------------------------------------------- 1 | #![no_std] 2 | 3 | pub extern crate nrf52840_hal as hal; 4 | use hal::gpio::{p0, p1, Floating, Input}; 5 | pub use hal::nrf52840_pac; 6 | 7 | macro_rules! define_pins { 8 | ($(#[$topattr:meta])* struct $Type:ident, 9 | p0: { 10 | $( $(#[$attr:meta])* pin $name:ident = $pin_ident:ident : $pin_type:ident),+ , 11 | }, 12 | p1: { 13 | $( $(#[$attr1:meta])* pin $name1:ident = $pin_ident1:ident: $pin_type1:ident),+ , 14 | }) => { 15 | 16 | $(#[$topattr])* 17 | pub struct $Type { 18 | $($(#[$attr])* pub $name: p0:: $pin_type >,)+ 19 | $($(#[$attr1])* pub $name1: p1:: $pin_type1 >,)+ 20 | } 21 | 22 | impl $Type { 23 | /// Returns the pins for the device 24 | pub fn new(pins0: p0::Parts, pins1: p1::Parts) -> Self { 25 | $Type { 26 | $($name: pins0.$pin_ident, )+ 27 | $($name1: pins1.$pin_ident1, )+ 28 | } 29 | } 30 | } 31 | }} 32 | 33 | define_pins!( 34 | /// Maps the pins to the names printed on the device 35 | struct Pins, 36 | p0: { 37 | /// Uart RXD 38 | pin rxd = p0_19: P0_19, 39 | /// Uart TXD 40 | pin txd = p0_20: P0_20, 41 | 42 | pin p6 = p0_06: P0_06, 43 | pin p7 = p0_07: P0_07, 44 | pin p8 = p0_08: P0_08, 45 | pin p11 = p0_11: P0_11, 46 | pin p12 = p0_12: P0_12, 47 | pin p13 = p0_13: P0_13, 48 | pin p14 = p0_14: P0_14, 49 | pin p15 = p0_15: P0_15, 50 | pin p16 = p0_16: P0_16, 51 | pin p17 = p0_17: P0_17, 52 | pin p21 = p0_21: P0_21, 53 | pin p25 = p0_25: P0_25, 54 | pin p26 = p0_26: P0_26, 55 | pin p27 = p0_27: P0_27, 56 | 57 | 58 | pin ain0 = p0_02: P0_02, 59 | pin ain1 = p0_03: P0_03, 60 | pin ain2 = p0_04: P0_04, 61 | pin ain3 = p0_05: P0_05, 62 | pin ain4 = p0_28: P0_28, 63 | pin ain5 = p0_29: P0_29, 64 | pin ain6 = p0_30: P0_30, 65 | pin ain7 = p0_31: P0_31, 66 | 67 | pin nfc1 = p0_09: P0_09, 68 | pin nfc2 = p0_10: P0_10, 69 | 70 | pin red_led = p0_23: P0_23, 71 | pin green_led = p0_22: P0_22, 72 | pin blue_led = p0_24: P0_24, 73 | }, 74 | p1: { 75 | pin button = p1_00: P1_00, 76 | 77 | /// ~RESET line to the QSPI flash 78 | pin qspi_reset = p1_01: P1_01, 79 | /// ~WP Write protect pin on the QSPI flash. 80 | pin qspi_wp = p1_02: P1_02, 81 | /// SPI SCLK for QSPI flash 82 | pin qspi_sclk = p1_03: P1_03, 83 | /// SPI MISO for QSPI flash 84 | pin qspi_miso = p1_04: P1_04, 85 | /// SPI MOSI for QSPI flash 86 | pin qspi_mosi = p1_05: P1_05, 87 | /// ~CS for the QSPI flash 88 | pin qspi_cs = p1_06: P1_06, 89 | } 90 | ); 91 | --------------------------------------------------------------------------------