From 8d119ccf2eb0f39a019fc9b2fc02fe149f941647 Mon Sep 17 00:00:00 2001
From: lukstep <lukaszstepien02@gmail.com>
Date: Sat, 17 Sep 2022 08:52:28 +0200
Subject: [PATCH] Add sample C project

---
 CMakeLists.txt | 18 ++++++++++++++++++
 README.md      | 16 +++++++++++++++-
 main.c         | 27 +++++++++++++++++++++++++++
 3 files changed, 60 insertions(+), 1 deletion(-)
 create mode 100644 CMakeLists.txt
 create mode 100644 main.c

diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 0000000..81b8e8e
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,18 @@
+cmake_minimum_required(VERSION 3.13)
+
+include($ENV{PICO_SDK_PATH}/external/pico_sdk_import.cmake)
+
+project(sample C CXX ASM)
+
+set(CMAKE_C_STANDARD 11)
+set(CMAKE_CXX_STANDARD 17)
+
+pico_sdk_init()
+
+add_executable(sample main.c)
+
+pico_enable_stdio_usb(sample 1)
+pico_enable_stdio_uart(sample 1)
+pico_add_extra_outputs(sample)
+
+target_link_libraries(sample pico_stdlib)
diff --git a/README.md b/README.md
index 47dc09e..769d408 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# Raspberry Pi Pico Docker
+# Raspberry Pi Pico Docker SDK
 
 ## Run Docker container
 
@@ -9,3 +9,17 @@ docker run -d -it --name pico-sdk --mount type=bind,source=${PWD},target=/home/d
 
 docker exec -it pico-sdk /bin/sh
 ```
+
+## Project build
+
+After attaching to SDK container run the following command to build the project:
+```
+cd /home/dev
+
+mkdir build
+
+cd build
+
+cmake .. && make -j4
+
+```
diff --git a/main.c b/main.c
new file mode 100644
index 0000000..5113755
--- /dev/null
+++ b/main.c
@@ -0,0 +1,27 @@
+#include <stdio.h>
+#include "pico/stdlib.h"
+#include "hardware/gpio.h"
+#include "pico/binary_info.h"
+
+int LED_PIN = 25;
+
+int main ()
+{
+    bi_decl(bi_program_description("Sample binary"));
+    bi_decl(bi_1pin_with_name(LED_PIN, "on-board PIN"));
+
+    stdio_init_all();
+
+    gpio_init();
+    gpio_set_dir(LED_PIN, GPIO_OUT);
+
+    while(1)
+    {
+        gpio_put(LED_PIN, 0);
+        sleep_ms(250);
+        gpio_put(LED_PIN, 1);
+        puts("Hello Word\n");
+        sleep_ms(1000);
+    }
+}
+