ahhh shit here we go again

.gitignore

@@ -1,3 +1,9 @@
 build/
 .vscode/
-
+tools/
+.cache/
+.west/
+.vscode/
+zephyr/
+modules/
+bootloader/

CMakeLists.txt

@@ -1,7 +1,10 @@
 cmake_minimum_required(VERSION 3.20.0)
 
-set(BOARD adafruit_feather_nrf52840)
+set(BOARD rpi_pico)
 find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
+
+set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
+
 project(passr)
 
 target_sources(app PRIVATE src/main.c)

Makefile

@@ -0,0 +1,20 @@
+.ONESHELL:
+
+TARGET=rpi_pico
+
+CMAKE_ZEPHYR_PATH=../zephyrproject/zephyr
+CMAKE_ZEPHYR_COMMAND=west build
+CMAKE_ZEPHYR_FLAGS=-b $(TARGET)
+
+all: flash
+
+compile:
+	$(CMAKE_ZEPHYR_COMMAND) $(CMAKE_ZEPHYR_FLAGS)
+
+# FIXME: This is entirely board specific, for example the pi pico will vibe differently
+flash:
+	west flash
+
+clean:
+	rm -rf build/
+	mkdir build

README.md

@@ -0,0 +1,14 @@
+# Passr
+
+## Building
+
+Install Zephyr, the Zephyr SDK and West
+
+```sh
+west init
+west update
+make build
+```
+
+The project is currently configured to run on a Pi Pico as my nrf development board is misbehaving
+

buildflash.sh

@@ -1,3 +1,5 @@
 west build -b adafruit_feather_nrf52840 .
-nrfutil dfu genpkg --application build/zephyr/zephyr.hex --application-version 0xFF --dev-revision 0xFF --dev-type 0xFFFF --sd-req 0x81 feather_nrf52840_express_bootloader-0.7.0_s140_6.1.1.zip
+# nrfutil dfu genpkg --application build/zephyr/zephyr.hex --application-version 0xFF --dev-revision 0xFF --dev-type 0xFFFF --sd-req 0x81 feather_nrf52840_express_bootloader-0.7.0_s140_6.1.1.zip
 # nrfutil dfu usb-serial -pkg app.zip -p ttyACM0 // DO NOT FUCKING DO THIS
+# ./uf2conv.py build/zephyr/zephyr.hex -c -f 0xADA52840
+cp build/zephyr/zephyr.uf2 .

feather_bootloader/manifest.json

@@ -0,0 +1,20 @@
+{
+    "manifest": {
+        "dfu_version": 0.5,
+        "softdevice_bootloader": {
+            "bin_file": "sd_bl.bin",
+            "bl_size": 39000,
+            "dat_file": "sd_bl.dat",
+            "init_packet_data": {
+                "application_version": 4294967295,
+                "device_revision": 52840,
+                "device_type": 82,
+                "firmware_crc16": 40783,
+                "softdevice_req": [
+                    65534
+                ]
+            },
+            "sd_size": 151016
+        }
+    }
+}

prj.conf

@@ -1,3 +1,4 @@
+CONFIG_BUILD_OUTPUT_UF2=y
 CONFIG_GPIO=y
 # CONFIG_BT=y
 # CONFIG_BT_DEBUG_LOG=y

src/main.c

@@ -6,7 +6,7 @@
 #define SLEEP_TIME_MS   1000
 
 /* The devicetree node identifier for the "led0" alias. */
-#define LED0_NODE DT_ALIAS(led1)
+#define LED0_NODE DT_ALIAS(led0)
 
 /*
  * A build error on this line means your board is unsupported.
@@ -18,8 +18,7 @@ void main(void)
 {
 	int ret;
 
-	if (!device_is_ready(led.port)) {
+	while (!device_is_ready(led.port)) {
-		return;
 	}
 
 	ret = gpio_pin_configure_dt(&led, GPIO_OUTPUT_ACTIVE);
@@ -27,11 +26,13 @@ void main(void)
 		return;
 	}
 
-	while (1) {
+	gpio_pin_set_dt(&led, GPIO_OUTPUT_HIGH);
-		ret = gpio_pin_toggle_dt(&led);
+
-		if (ret < 0) {
+    while (1) {
-			return;
+        ret = gpio_pin_toggle_dt(&led);
-		}
+        if (ret < 0) {
-		k_msleep(SLEEP_TIME_MS);
+            return;
-	}
+        }
+        k_msleep(SLEEP_TIME_MS);
+    }
 }