Merge pull request #6 from HaoboGu/feat/ble

feat: add experimental BLE support for nrf52840

.vscode/settings.json

@@ -5,14 +5,22 @@
         "cargo",
         "check",
         "--quiet",
-        "--message-format=json"
+        "--message-format=json",
+        "--all-features"
+    ],
+    "rust-analyzer.cargo.buildScripts.overrideCommand": [
+        "cargo",
+        "check",
+        "--quiet",
+        "--message-format=json",
+        "--all-features"
     ],
     "rust-analyzer.linkedProjects": [
         "rmk/Cargo.toml",
         "boards/stm32h7/Cargo.toml",
         "boards/stm32f4/Cargo.toml",
         "boards/nrf52840/Cargo.toml",
+        "boards/nrf52840_ble/Cargo.toml",
         "boards/rp2040/Cargo.toml"
     ],
-    "rust-analyzer.showUnlinkedFileNotification": false,
 }

README.md

@@ -10,6 +10,8 @@ Keyboard firmware with layer/dynamic keymap/[vial](https://get.vial.today) suppo
 
 ## News
 
+- [2024.03.07] Experimental BLE support for nrf52840 has beed added! Checkout [boards/nrf52840_ble](https://github.com/HaoboGu/rmk/blob/main/boards/nrf52840_ble/src/main.rs) for details.
+
 - [2024.02.18] Version `0.1.4` is just released! This release contains a new [build script](https://github.com/HaoboGu/rmk/blob/main/boards/stm32h7/build.rs) for generating vial config, minor API update and a brand new [user documentation page](https://haobogu.github.io/rmk).
 
 <details>
@@ -112,7 +114,7 @@ A lot of todos at the list, any contributions are welcomed :)
 - [ ] better documentation
 - [ ] RGB
 - [ ] encoder
-- [ ] wireless
+- [x] (experimental) wireless
 - [ ] default bootloader/DFU
 - [ ] a good gui configurator
 

boards/nrf52840_ble/.cargo/config.toml

@@ -0,0 +1,38 @@
+[target.thumbv7m-none-eabi]
+# uncomment this to make `cargo run` execute programs on QEMU
+# runner = "qemu-system-arm -cpu cortex-m3 -machine lm3s6965evb -nographic -semihosting-config enable=on,target=native -kernel"
+
+[target.'cfg(all(target_arch = "arm", target_os = "none"))']
+# Have to use simmsb's elf2uf2 fork to flash https://github.com/simmsb/elf2uf2-rs 
+# runner = "elf2uf2-rs -d"
+runner = "probe-rs run --chip nRF52840_xxAA"
+
+rustflags = [
+  # Previously, the linker arguments --nmagic and -Tlink.x were set here.
+  # They are now set by build.rs instead. The linker argument can still
+  # only be set here, if a custom linker is needed.
+
+  # By default, the LLD linker is used, which is shipped with the Rust
+  # toolchain. If you run into problems with LLD, you can switch to the
+  # GNU linker by uncommenting this line:
+  # "-C", "linker=arm-none-eabi-ld",
+
+  # If you need to link to pre-compiled C libraries provided by a C toolchain
+  # use GCC as the linker by uncommenting the three lines below:
+  # "-C", "linker=arm-none-eabi-gcc",
+  # "-C", "link-arg=-Wl,-Tlink.x",
+  # "-C", "link-arg=-nostartfiles",
+]
+
+[build]
+# Pick ONE of these default compilation targets
+# target = "thumbv6m-none-eabi"        # Cortex-M0 and Cortex-M0+
+# target = "thumbv7m-none-eabi"        # Cortex-M3
+target = "thumbv7em-none-eabi"       # Cortex-M4 and Cortex-M7 (no FPU)
+# target = "thumbv7em-none-eabihf"     # Cortex-M4F and Cortex-M7F (with FPU)
+# target = "thumbv8m.base-none-eabi"   # Cortex-M23
+# target = "thumbv8m.main-none-eabi"   # Cortex-M33 (no FPU)
+# target = "thumbv8m.main-none-eabihf" # Cortex-M33 (with FPU)
+
+[env]
+DEFMT_LOG = "trace"