1 files changed, 38 insertions, 0 deletions
diff --git a/examples/debug-dtrrts.cpp b/examples/debug-dtrrts.cpp
new file mode 100644
index 0000000..75eceef
--- /dev/null
+++ b/examples/debug-dtrrts.cpp
@@ -0,0 +1,38 @@
+// Test sketch for figuring out DTR/RTS behavior on different platforms.
+
+#include <wirish/wirish.h>
+#include "usb_cdcacm.h"
+
+void setup() {
+    /* Set up the LED to blink  */
+    pinMode(BOARD_LED_PIN, OUTPUT);
+
+    /* Send a message out USART2  */
+    Serial2.begin(9600);
+    Serial2.println("Debugging DTR/RTS...");
+}
+
+void loop() {
+    toggleLED();
+    delay(100);
+
+    Serial2.print("DTR: ");
+    Serial2.print(usb_cdcacm_get_dtr(), DEC);
+    Serial2.print("\tRTS: ");
+    Serial2.println(usb_cdcacm_get_rts(), DEC);
+}
+
+// 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;
+}