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diff --git a/examples/spi_master.cpp b/examples/spi_master.cpp
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+/******************************************************************************
+ * The MIT License
+ *
+ * Copyright (c) 2010 LeafLabs LLC.
+ *
+ * Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use, copy,
+ * modify, merge, publish, distribute, sublicense, and/or sell copies
+ * of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *****************************************************************************/
+
+/**
+ * @brief Sample main.cpp file. Sends "Hello world!" out SPI1.
+ *
+ * SPI1 is set up to be a master transmitter at 4.5MHz, little
+ * endianness, and SPI mode 0.
+ *
+ * Pin 10 is used as slave select.
+ */
+
+#include <wirish/wirish.h>
+
+#define NSS 10
+
+byte buf[] = "Hello world!";
+
+HardwareSPI spi1(1);
+
+void setup() {
+   /* Set up chip select as output */
+   pinMode(NSS, OUTPUT);
+
+   /* NSS is usually active LOW, so initialize it HIGH */
+   digitalWrite(NSS, HIGH);
+
+   /* Initialize SPI */
+   spi1.begin(SPI_4_5MHZ, LSBFIRST, 0);
+}
+
+void loop() {
+   /* Send message */
+   digitalWrite(NSS, LOW);
+   spi1.write(buf, sizeof buf);
+   digitalWrite(NSS, HIGH);
+   delay(1000);
+}
+
+// Force init to be called *first*, i.e. before static object allocation.
+// Otherwise, statically allocated objects that need libmaple may fail.
+__attribute__((constructor)) void premain() {
+    init();
+}
+
+int main(void) {
+    setup();
+
+    while (true) {
+        loop();
+    }
+    return 0;
+}
+