test of serialN.flush()

1 files changed, 45 insertions, 0 deletions

diff --git a/examples/test-serial-flush.cpp b/examples/test-serial-flush.cpp
new file mode 100644
index 0000000..d7fbf7a
--- /dev/null
+++ b/examples/test-serial-flush.cpp
@@ -0,0 +1,45 @@
+// Tests the "flush" Serial function
+
+#include "wirish.h"
+
+void setup()
+{
+    /* Send a message out USART2  */
+    Serial2.begin(9600);
+    Serial2.println("Hello world!");
+}
+
+int toggle = 0;
+
+void loop() {
+
+    Serial2.println("This is the first line.");
+    Serial2.end();
+    Serial2.println("This is the second line.");
+
+    Serial2.begin(9600);
+    Serial2.println("Waiting for multiple input...");
+    while(Serial2.available() < 5) { }
+    Serial2.println(Serial2.read());
+    Serial2.println(Serial2.read());
+    Serial2.flush();
+    if(Serial2.available()) {
+        Serial2.println("FAIL! Still had junk in the buffer...");
+    }
+}
+
+// Force init to be called *first*, i.e. before static object allocation.
+// Otherwise, statically allocated object that need libmaple may fail.
+ __attribute__(( constructor )) void premain() {
+    init();
+}
+
+int main(void)
+{
+    setup();
+
+    while (1) {
+        loop();
+    }
+    return 0;
+}