285 lines
8.4 KiB
HTML
285 lines
8.4 KiB
HTML
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<li class="main active"><a href="#usb-mass-storage">USB: Mass Storage</a></li>
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<li class="main "><a href="#this-library-is-in-beta">This library is in beta</a></li>
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<h2 id="usb-mass-storage">USB: Mass Storage</h2>
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<h2 id="this-library-is-in-beta"><strong>This library is in beta</strong></h2>
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<ol>
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<li>Select Mass Storage from the arduino tools/USB menu</li>
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<li>Override the <code>BlockDevice.h</code> interface to provide implementation for reading / writing blocks</li>
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<li>Include <code>MassStorage.h</code>, and implement the <code>BlockDevice *getMassStorage()</code> function</li>
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</ol>
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<p>There is RAM implementation of BlockDevice, called RamBlockDevice. Example usage:</p>
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<pre><code class="c++">#include "Arduino.h"
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#include "RamBlockDevice.h"
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RamBlockDevice ramBlockDevice(100 /* x 512 blocks*/, true);
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BlockDevice *getMassStorage() {
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return &ramBlockDevice;
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}
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void blinkOnRead(uint32_t block, size_t count) {
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digitalWrite(LED_BUILTIN, !digitalRead(LED_BUILTIN));
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}
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void blinkOnWrite(uint32_t block, size_t count) {
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digitalWrite(LED1_BUILTIN, !digitalRead(LED1_BUILTIN));
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}
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void setup() {
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pinMode(LED_BUILTIN, OUTPUT);
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pinMode(LED1_BUILTIN, OUTPUT);
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ramBlockDevice.setReadListener(blinkOnRead);
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ramBlockDevice.setWriteListener(blinkOnWrite);
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}
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void loop() {
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}
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</code></pre></div>
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