From fbc9e9f4fbeb06ae147cfca7974b8742253a8b9a Mon Sep 17 00:00:00 2001
From: MReenen <mail@matsvanreenen.nl>
Date: Tue, 30 Aug 2022 14:54:10 +0200
Subject: [PATCH] radio: inital commit

---
 CMakeLists.txt       |  3 +++
 radio/CMakeLists.txt |  9 +++++++++
 radio/main.c         | 23 +++++++++++++++++++++++
 3 files changed, 35 insertions(+)
 create mode 100644 radio/CMakeLists.txt
 create mode 100644 radio/main.c

diff --git a/CMakeLists.txt b/CMakeLists.txt
index ba023b5..844089e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -23,3 +23,6 @@ add_compile_options(-Wall
         -Wno-unused-function # we have some for the docs that aren't called
         -Wno-maybe-uninitialized
         )
+
+# add all project dirs
+add_subdirectory(radio)
diff --git a/radio/CMakeLists.txt b/radio/CMakeLists.txt
new file mode 100644
index 0000000..d56a2c7
--- /dev/null
+++ b/radio/CMakeLists.txt
@@ -0,0 +1,9 @@
+add_executable(radio
+        main.c
+        )
+
+# pull in common dependencies
+target_link_libraries(radio pico_stdlib)
+
+# create map/bin/hex file etc.
+pico_add_extra_outputs(radio)
diff --git a/radio/main.c b/radio/main.c
new file mode 100644
index 0000000..d478d78
--- /dev/null
+++ b/radio/main.c
@@ -0,0 +1,23 @@
+/**
+ * Copyright (c) 2020 Raspberry Pi (Trading) Ltd.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include "pico/stdlib.h"
+
+int main() {
+#ifndef PICO_DEFAULT_LED_PIN
+#warning blink example requires a board with a regular LED
+#else
+    const uint LED_PIN = PICO_DEFAULT_LED_PIN;
+    gpio_init(LED_PIN);
+    gpio_set_dir(LED_PIN, GPIO_OUT);
+    while (true) {
+        gpio_put(LED_PIN, 1);
+        sleep_ms(250);
+        gpio_put(LED_PIN, 0);
+        sleep_ms(250);
+    }
+#endif
+}