examples/embedding: Rework example to use ports/embed.

Signed-off-by: Damien George <damien@micropython.org>

1 files changed, 44 insertions, 0 deletions

diff --git a/examples/embedding/main.c b/examples/embedding/main.c
new file mode 100644
index 000000000..ee673fc93
--- /dev/null
+++ b/examples/embedding/main.c
@@ -0,0 +1,44 @@
+/* This file is part of the MicroPython project, http://micropython.org/
+ * The MIT License (MIT)
+ * Copyright (c) 2022-2023 Damien P. George
+ */
+
+#include "port/micropython_embed.h"
+
+// This is example 1 script, which will be compiled and executed.
+static const char *example_1 =
+    "print('hello world!', list(x + 1 for x in range(10)), end='eol\\n')";
+
+// This is example 2 script, which will be compiled and executed.
+static const char *example_2 =
+    "for i in range(10):\n"
+    "    print('iter {:08}'.format(i))\n"
+    "\n"
+    "try:\n"
+    "    1//0\n"
+    "except Exception as er:\n"
+    "    print('caught exception', repr(er))\n"
+    "\n"
+    "import gc\n"
+    "print('run GC collect')\n"
+    "gc.collect()\n"
+    "\n"
+    "print('finish')\n"
+    ;
+
+// This array is the MicroPython GC heap.
+static char heap[8 * 1024];
+
+int main() {
+    // Initialise MicroPython.
+    mp_embed_init(&heap[0], sizeof(heap));
+
+    // Run the example scripts (they will be compiled first).
+    mp_embed_exec_str(example_1);
+    mp_embed_exec_str(example_2);
+
+    // Deinitialise MicroPython.
+    mp_embed_deinit();
+
+    return 0;
+}