diff options
| -rw-r--r-- | source/lang/api/serialusb.rst | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/source/lang/api/serialusb.rst b/source/lang/api/serialusb.rst index 87fa641..4ddfa4a 100644 --- a/source/lang/api/serialusb.rst +++ b/source/lang/api/serialusb.rst @@ -224,7 +224,7 @@ running from battery, or connected but not monitored. You may need to experiment with the DTR/RTS logic for your platform and device configuration. :: - #define LED_PIN 13 + #define LED_PIN BOARD_LED_PIN void setup() { /* Set up the LED to blink */ @@ -232,22 +232,22 @@ configuration. :: } void loop() { - // LED will stay off if we are disconnected; - // will blink quickly if USB is unplugged (battery etc) + // LED will stay off if we are disconnected, and will blink + // quickly if USB is unplugged (battery power, etc.). if(SerialUSB.isConnected()) { digitalWrite(LED_PIN, 1); } delay(100); - // If this logic fails to detect if bytes are going to - // be read by the USB host, then the println() will fully - // many times, causing a very slow LED blink. - // If the characters are printed and read, the blink will - // only slow a small amount when "really" connected, and fast - // when the virtual port is only configured. + // If this logic fails to detect if bytes are going to be read + // by the USB host, then the println() take a long time, + // causing a very slow LED blink. If the characters are + // printed and read, the blink will only slow a small amount + // when "really" connected, and will be fast fast when the + // virtual port is only configured. if(SerialUSB.isConnected() && (SerialUSB.getDTR() || SerialUSB.getRTS())) { - for(int i=0; i<10; i++) { - SerialUSB.println(123456,BIN); + for(int i = 0; i < 10; i++) { + SerialUSB.println(123456, BIN); } } digitalWrite(LED_PIN, 0); |