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Diffstat (limited to 'libraries/Bridge/examples/YunSerialTerminal/YunSerialTerminal.ino')
| -rw-r--r-- | libraries/Bridge/examples/YunSerialTerminal/YunSerialTerminal.ino | 78 |
1 files changed, 78 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..faffd93 --- /dev/null +++ b/libraries/Bridge/examples/YunSerialTerminal/YunSerialTerminal.ino @@ -0,0 +1,78 @@ +/* + 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 + '~' followed by '2' -> Set the UART speed to 250000 baud + '~' followed by '3' -> Set the UART speed to 500000 baud + '~' followeb by '~' -> Sends the bridge's shutdown command to + obtain the console. + + The circuit: + * Arduino Yun + + created March 2013 + by Massimo Banzi + modified by Cristian Maglie + + This example code is in the public domain. + */ + +long lininoBaud = 250000; + +void setup() { + Serial.begin(115200); // open serial connection via USB-Serial + Serial1.begin(lininoBaud); // open serial connection to Linino +} + +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 if (c == '2') { // '2' key pressed? + Serial1.begin(250000); // set speed to 250000 + Serial.println("Speed set to 250000"); + } else if (c == '3') { // '3' key pressed? + Serial1.begin(500000); // set speed to 500000 + Serial.println("Speed set to 500000"); + } else if (c == '~') { + Serial1.write((uint8_t *)"\xff\0\0\x05XXXXX\x0d\xaf", 11); + Serial.println("Sending bridge's shutdown command"); + } 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 + } + } + if (Serial1.available()) { // got anything from Linino? + char c = (char)Serial1.read(); // read from Linino + Serial.write(c); // write to USB-serial + } +}
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