Moved folders.

C/Makefile

@@ -6,7 +6,7 @@ SOURCES := \
   src/main.c
 
 # Output target name
-OUTPUT := GCC_Project
+OUTPUT := C
 
 # Compiler and flags
 CC = gcc

C_PicoSDK/.gitignore

@@ -0,0 +1,2 @@
+build
+.vscode/ccls-cache

C_PicoSDK/.vscode/tasks.json

@@ -0,0 +1,57 @@
+{
+    "version": "2.0.0",
+    "tasks": [
+        {
+            "label": "Build",
+            "detail": "Build project",
+            "type": "shell",
+            "command": "cmake -H. -Bbuild -DCMAKE_EXPORT_COMPILE_COMMANDS=YES && make -j$(nproc) -C build",
+            "args": [
+            ],
+            "group": "build",
+            "presentation": {
+                "echo": true,
+                "reveal": "always",
+                "focus": true,
+                "panel": "shared",
+                "showReuseMessage": true,
+                "clear": true
+            }
+        },
+        {
+            "label": "Clean",
+            "detail": "Clean build directory and executable",
+            "type": "shell",
+            "command": "rm -rf build",
+            "args": [
+            ],
+            "group": "build",
+            "presentation": {
+                "echo": false,
+                "reveal": "never",
+                "focus": false,
+                "panel": "shared",
+                "showReuseMessage": false,
+                "clear": true
+            }
+        },
+        {
+            "label": "Flash",
+            "detail": "Flash executable",
+            "type": "shell",
+            "dependsOn": "Build",
+            "command": "cd build && make Flash",
+            "args": [
+            ],
+            "group": "build",
+            "presentation": {
+                "echo": true,
+                "reveal": "always",
+                "focus": true,
+                "panel": "shared",
+                "showReuseMessage": true,
+                "clear": true
+            }
+        }
+  ]
+}

C_PicoSDK/CMakeLists.txt

@@ -0,0 +1,35 @@
+cmake_minimum_required(VERSION 3.13)
+
+# Explicitely define board.
+set(PICO_BOARD pico)
+if(NOT DEFINED PICO_BOARD)
+    add_definitions(-DPICO_BOARD=${PICO_BOARD})
+endif()
+
+# Need to include pico-sdk cmake support. Must happen before project.
+include($ENV{PICO_SDK_PATH}/external/pico_sdk_import.cmake)
+
+project(PicoW_UDP_Tests C CXX ASM)
+set(CMAKE_C_STANDARD 11)
+set(CMAKE_CXX_STANDARD 17)
+
+pico_sdk_init()
+
+add_executable(PicoW_UDP_Tests
+  src/main.c
+)
+
+target_link_libraries(PicoW_UDP_Tests
+  pico_stdlib
+)
+
+# Stdio configuration
+pico_enable_stdio_usb(PicoW_UDP_Tests 1)
+pico_enable_stdio_uart(PicoW_UDP_Tests 1)
+
+pico_add_extra_outputs(PicoW_UDP_Tests)
+
+add_custom_target(Flash
+    DEPENDS PicoW_UDP_Tests
+    COMMAND picotool load -f ${PROJECT_BINARY_DIR}/PicoW_UDP_Tests.uf2
+)

C_PicoSDK/compile_commands.json

@@ -0,0 +1 @@
+build/compile_commands.json

C_PicoSDK/src/main.c

@@ -0,0 +1,59 @@
+/**
+ * Copyright (c) 2020 Raspberry Pi (Trading) Ltd.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <pico/stdlib.h>
+
+#ifdef CYW43_WL_GPIO_LED_PIN
+// Pico W devices use a GPIO on the WIFI chip for the LED,
+// so when building for Pico W, CYW43_WL_GPIO_LED_PIN will be defined
+#include <pico/cyw43_arch.h>
+#endif
+
+#ifndef LED_DELAY_MS
+#define LED_DELAY_MS 250
+#endif
+
+// Perform initialisation
+int pico_led_init(void)
+{
+#if defined(PICO_DEFAULT_LED_PIN)
+    // A device like Pico that uses a GPIO for the LED will define PICO_DEFAULT_LED_PIN
+    // so we can use normal GPIO functionality to turn the led on and off
+    gpio_init(PICO_DEFAULT_LED_PIN);
+    gpio_set_dir(PICO_DEFAULT_LED_PIN, GPIO_OUT);
+    return PICO_OK;
+#elif defined(CYW43_WL_GPIO_LED_PIN)
+    // For Pico W devices we need to initialise the driver etc
+    return cyw43_arch_init();
+#endif
+}
+
+// Turn the led on or off
+void pico_set_led(bool led_on)
+{
+#if defined(PICO_DEFAULT_LED_PIN)
+    // Just set the GPIO on or off
+    gpio_put(PICO_DEFAULT_LED_PIN, led_on);
+#elif defined(CYW43_WL_GPIO_LED_PIN)
+    // Ask the wifi "driver" to set the GPIO on or off
+    cyw43_arch_gpio_put(CYW43_WL_GPIO_LED_PIN, led_on);
+#endif
+}
+
+int main()
+{
+    stdio_init_all();
+
+    hard_assert(pico_led_init() == PICO_OK);
+
+    while(true)
+    {
+        pico_set_led(true);
+        sleep_ms(LED_DELAY_MS);
+        pico_set_led(false);
+        sleep_ms(LED_DELAY_MS);
+    }
+}