commit 7a82e544142ab1d529bfb13095a5095560ca6bdf
Author: pjanik-hub <philipjanik3@gmail.com>
Date:   Thu Feb 19 19:07:05 2026 -0700

    testing

diff --git a/.gitignore b/.gitignore
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index 0000000..567609b
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+build/
diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 0000000..1089c13
--- /dev/null
+++ b/CMakeLists.txt
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+cmake_minimum_required(VERSION 3.20.0)
+
+set(BOARD nucleo_g474re)
+find_package(Zephyr REQUIRED)
+project(app)
+
+target_sources(app PRIVATE src/main.c)
diff --git a/Kconfig b/Kconfig
new file mode 100644
index 0000000..3e836c5
--- /dev/null
+++ b/Kconfig
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+# SPDX-License-Identifier: Apache-2.0
+
+mainmenu "First App"
+
+# Your application configuration options go here
+
+# Sources Kconfig.zephyr in the Zephyr root directory.
+#
+# Note: All 'source' statements work relative to the Zephyr root directory (due
+# to the $srctree environment variable being set to $ZEPHYR_BASE). If you want
+# to 'source' relative to the current Kconfig file instead, use 'rsource' (or a
+# path relative to the Zephyr root).
+
+source "Kconfig.zephyr"
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diff --git a/boards/nucleo_g474re.overlay b/boards/nucleo_g474re.overlay
new file mode 100644
index 0000000..299b4df
--- /dev/null
+++ b/boards/nucleo_g474re.overlay
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+/ {
+  aliases {
+    /* alias used by DT_ALIAS(led0) in app code */
+    led0 = &ld2;
+  };
+
+  /* simple gpio-leds node */
+  leds {
+    compatible = "gpio-leds";
+    ld2: led_0 {
+      gpios = <&gpioa 5 GPIO_ACTIVE_HIGH>; /* LD2 -> PA5 */
+      label = "LD2";
+    };
+  };
+};
+
+&gpioa {
+  status = "okay";
+};
+
+&gpioc {
+  status = "okay";
+};
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diff --git a/prj.conf b/prj.conf
new file mode 100644
index 0000000..0211a80
--- /dev/null
+++ b/prj.conf
@@ -0,0 +1,7 @@
+# enable gpio driver
+CONFIG_GPIO=y
+CONFIG_SERIAL=y
+CONFIG_CONSOLE=y
+CONFIG_UART_CONSOLE=y
+CONFIG_PRINTK=y
+CONFIG_UART_INTERRUPT_DRIVEN=y
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diff --git a/src/main.c b/src/main.c
new file mode 100644
index 0000000..ae94e3b
--- /dev/null
+++ b/src/main.c
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+#include <zephyr/devicetree.h>
+#include <zephyr/drivers/gpio.h>
+#include <zephyr/kernel.h>
+#include <zephyr/drivers/uart.h>
+
+#define SLEEP_MS 2000
+
+#define LED_NODE DT_ALIAS(led0)
+#if !DT_NODE_HAS_STATUS(LED_NODE, okay)
+#error "led0 not enabled in devicetree"
+#endif
+
+static const struct gpio_dt_spec led = GPIO_DT_SPEC_GET(LED_NODE, gpios);
+
+int main(void)
+{
+  printk("app started\n");
+
+  if (!gpio_is_ready_dt(&led))
+  {
+    printk("LED GPIO not ready\n");
+    return 0;
+  }
+
+  int ret = gpio_pin_configure_dt(&led, GPIO_OUTPUT_ACTIVE);
+  if (ret < 0)
+  {
+    printk("LED GPIO configure failed: %d\n", ret);
+    return 0;
+  }
+
+  char incoming;
+  int i = 0;
+  while (1)
+  {
+  }
+}
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