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Diffstat (limited to 'libraries/Bridge/examples/YunSerialTerminal/YunSerialTerminal.ino')
-rw-r--r-- | libraries/Bridge/examples/YunSerialTerminal/YunSerialTerminal.ino | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/libraries/Bridge/examples/YunSerialTerminal/YunSerialTerminal.ino b/libraries/Bridge/examples/YunSerialTerminal/YunSerialTerminal.ino new file mode 100644 index 0000000..11be9a3 --- /dev/null +++ b/libraries/Bridge/examples/YunSerialTerminal/YunSerialTerminal.ino @@ -0,0 +1,82 @@ +/* + Arduino Yun USB-to-Serial + + Allows you to use the Yun's 32U4 processor as a + serial terminal for the linino processor. + + Upload this to an Arduino Yun via serial (not WiFi) + then open the serial monitor at 115200 to see the boot process + of the linino processor. You can also use the serial monitor + as a basic command line interface for the linino processor using + this sketch. + + From the serial monitor the following commands can be issued: + + '~' followed by '0' -> Set the UART speed to 57600 baud + '~' followed by '1' -> Set the UART speed to 115200 baud + + The circuit: + * Arduino Yun + + created March 2013 + by Massimo Banzi + modified by Cristian Maglie + + This example code is in the public domain. + */ + +long lininoBaud = 115200; + +// Pin 13 has an LED connected on most Arduino boards. +int led = 13; +int ledState = HIGH; // whether the LED is high or low + + +void setup() { + Serial.begin(115200); // open serial connection via USB-Serial + Serial1.begin(lininoBaud); // open serial connection to Linino + + // initialize the digital pin as an output. + pinMode(led, OUTPUT); + digitalWrite(led, ledState); // turn the LED on (HIGH is the voltage level) +} + + +boolean commandMode = false; + +void loop() { + // copy from virtual serial line to uart and vice versa + if (Serial.available()) { // got anything from USB-Serial? + char c = (char)Serial.read(); // read from USB-serial + if (commandMode == false) { // if we aren't in command mode... + if (c == '~') { // Tilde '~' key pressed? + commandMode = true; // enter in command mode + } else { + Serial1.write(c); // otherwise write char to Linino + } + } else { // if we are in command mode... + if (c == '0') { // '0' key pressed? + Serial1.begin(57600); // set speed to 57600 + Serial.println("Speed set to 57600"); + } else if (c == '1') { // '1' key pressed? + Serial1.begin(115200); // set speed to 115200 + Serial.println("Speed set to 115200"); + } else { // any other key pressed? + Serial1.write('~'); // write '~' to Linino + Serial1.write(c); // write char to Linino + } + commandMode = false; // in all cases exit from command mode + } + ledState=!ledState; // invert LED state + digitalWrite(led, ledState); // toggle the LED + } + if (Serial1.available()) { // got anything from Linino? + char c = (char)Serial1.read(); // read from Linino + Serial.write(c); // write to USB-serial + } +} + + + + + |