Earle F. Philhower, IIIandEarle F. Philhower, III
39238a505d
Co-authored-by: Earle F. Philhower, III <earle.philhower@kioxia.com>
21 lines
681 B
ReStructuredText
21 lines
681 B
ReStructuredText
BOOTSEL Button
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==============
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The BOOTSEL button on the Pico is not connected to a standard GPIO, so
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it cannot be read using the usual ``digitalRead`` function. It **can**,
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however, be read using a special (relatively slow) method.
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The ``BOOTSEL`` object implements a simple way of reading the BOOTSEL
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button. Simply use the object ``BOOTSEL`` as a boolean (as a conditional
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in an ``if`` or ``while``, or assigning to a ``bool``):
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.. code:: cpp
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// Print "BEEP" if the BOOTSEL button is pressed
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if (BOOTSEL) {
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Serial.println("BEEP!");
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// Wait until BOOTSEL is released
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while (BOOTSEL) {
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delay(1);
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}
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} |