Initial Release

hello_world/CMakeLists.txt

@@ -0,0 +1,4 @@
+if (NOT PICO_NO_HARDWARE)
+    add_subdirectory(usb)
+    add_subdirectory(serial)
+endif ()

hello_world/serial/CMakeLists.txt

@@ -0,0 +1,12 @@
+add_executable(hello_serial
+        hello_serial.c
+        )
+
+# Pull in our pico_stdlib which aggregates commonly used features
+target_link_libraries(hello_serial pico_stdlib)
+
+# create map/bin/hex/uf2 file etc.
+pico_add_extra_outputs(hello_serial)
+
+# add url via pico_set_program_url
+example_auto_set_url(hello_serial)

hello_world/serial/hello_serial.c

@@ -0,0 +1,17 @@
+/**
+ * Copyright (c) 2020 Raspberry Pi (Trading) Ltd.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <stdio.h>
+#include "pico/stdlib.h"
+
+int main() {
+    stdio_init_all();
+    while (true) {
+        printf("Hello, world!\n");
+        sleep_ms(1000);
+    }
+    return 0;
+}

hello_world/usb/CMakeLists.txt

@@ -0,0 +1,16 @@
+add_executable(hello_usb
+        hello_usb.c
+        )
+
+# Pull in our pico_stdlib which aggregates commonly used features
+target_link_libraries(hello_usb pico_stdlib)
+
+# enable usb output, disable uart output
+pico_enable_stdio_usb(hello_usb 1)
+pico_enable_stdio_uart(hello_usb 0)
+
+# create map/bin/hex/uf2 file etc.
+pico_add_extra_outputs(hello_usb)
+
+# add url via pico_set_program_url
+example_auto_set_url(hello_usb)

hello_world/usb/hello_usb.c

@@ -0,0 +1,17 @@
+/**
+ * Copyright (c) 2020 Raspberry Pi (Trading) Ltd.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <stdio.h>
+#include "pico/stdlib.h"
+
+int main() {
+    stdio_init_all();
+    while (true) {
+        printf("Hello, world!\n");
+        sleep_ms(1000);
+    }
+    return 0;
+}