From 51e0ae832fdf909cea09f72dd9f7d36edf274780 Mon Sep 17 00:00:00 2001 From: Marti Bolivar Date: Fri, 1 Jun 2012 01:29:23 -0400 Subject: Add examples/serial-echo.cpp. Serial1 writes back what it receives. Signed-off-by: Marti Bolivar --- examples/serial-echo.cpp | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 examples/serial-echo.cpp (limited to 'examples') diff --git a/examples/serial-echo.cpp b/examples/serial-echo.cpp new file mode 100644 index 0000000..204f011 --- /dev/null +++ b/examples/serial-echo.cpp @@ -0,0 +1,30 @@ +// Simple serial port "echo". Send back any received data. + +#include + +// Note: you can change "Serial1" to any other serial port you have on +// your board. + +void setup() { + Serial1.begin(115200); +} + +void loop() { + while (Serial1.available()) { + Serial1.write(Serial1.read()); + } +} + +// Force init() to be called before anything else. +__attribute__((constructor)) void premain() { + init(); +} + +int main(void) { + setup(); + + while (true) { + loop(); + } + return 0; +} -- cgit v1.2.3