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https://github.com/letscontrolit/ESPEasy.git
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Gijs Noorlander
0c0db4f401
Implemented a GPIO timer for the scheduler to schedule a GPIO state change. These will be stopped async: - Tone > 50 msec duration - Longpulse and longpulse_ms Also implemented a frequency parameter for the `pwm` command.
47 lines
1.4 KiB
Plaintext
47 lines
1.4 KiB
Plaintext
.. These P001 commands should be moved to core (P000)...
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:ref:`P000_page` |P000_status|
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Supported hardware: |P000_usedby_RTTTL| (Ringtones etc.)
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.. csv-table::
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:header: "Command (GPIO/Value)", "Extra information"
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:widths: 20, 30
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``tone,<gpio>,<tone>,<duration>``
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GPIO: 12 ... 16
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Tone: 20 ... 13000 Hz
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Duration: 100 ... 15000 msec
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","
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You should try to use GPIO 12...16 since these generally aren't used.
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The recommended tone range is 20 Hz ... 13 kHz.
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Up-to 40 kHz should be possible to generate, but will be inaudible for humans.
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Frequencies above 30 kHz are not stable and will likely crash the ESP.
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Duration is set in ms.
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N.B. tones with a duration less than 50 msec will be blocking.
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Longer duration will use the scheduler, which may cause some fluctuations in the duration.
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"
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"
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``rtttl,<gpio>,<value>``
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GPIO: 12 ... 16
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Value: d=<duration>,o=<octave>,b=<tempo>,<notes...>
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","
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You should try to use GPIO 12...16 since these generally aren't used by ESP internal functions.
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N.B. Playing a tune is blocking for as long as the tune is playing.
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Value can be defined like <name_of_melody:duration,octave,beat,notes....>
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For example:
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``rtttl,14,test:d=8,o=5,b=180,c6,b,c6,p,g,g-,p,f,b,c6,p,d6,p,g,p,c6,b,c6,p,d6,p,f,g,g-,4p,g,f,4d-``
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`More RTTTL Ringtone Downloads <http://www.picaxe.com/RTTTL-Ringtones-for-Tune-Command/>`_
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"
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