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@ -417,12 +417,11 @@ span.mainfunction {color: #993300; font-weight: bolder} |
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{"type":"RadioFMDetector_F32","data":{"defaults":{"name":{"value":"new"}},"shortName":"FMDetector","inputs":"1","output":"0","category":"radio-function","color":"#E6E0F8","icon":"arrow-in.png","outputs":"2"}}, |
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{"type":"radioModulatedGenerator_F32","data":{"defaults":{"name":{"value":"new"}},"shortName":"Modulator","inputs":"2","output":"0","category":"radio-function","color":"#E6E0F8","icon":"arrow-in.png","outputs":"2"}}, |
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{"type":"radioNoiseBlanker_F32","data":{"defaults":{"name":{"value":"new"}},"shortName":"NoiseBlank","inputs":"2","output":"0","category":"radio-function","color":"#E6E0F8","icon":"arrow-in.png","outputs":"2"}}, |
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{"type":"radioCESSBtransmit_F32","data":{"defaults":{"name":{"value":"new"}},"shortName":"CESSB_Mod","inputs":"1","output":"0","category":"radio-function","color":"#E6E0F8","icon":"arrow-in.png","outputs":"2"}}, |
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{"type":"radioCESSB_Z_transmit_F32","data":{"defaults":{"name":{"value":"new"}},"shortName":"CESSB_Z_Mod","inputs":"1","output":"0","category":"radio-function","color":"#E6E0F8","icon":"arrow-in.png","outputs":"2"}}, |
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{"type":"radioVoiceClipper_F32","data":{"defaults":{"name":{"value":"new"}},"shortName":"Clipper","inputs":"1","output":"0","category":"radio-function","color":"#E6E0F8","icon":"arrow-in.png","outputs":"2"}}, |
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{"type":"RadioFMDiscriminator_F32","data":{"defaults":{"name":{"value":"new"}},"shortName":"FMDiscrim","inputs":"1","output":"0","category":"radio-function","color":"#E6E0F8","icon":"arrow-in.png","outputs":"2"}}, |
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{"type":"radioCWModulator_F32","data":{"defaults":{"name":{"value":"new"}},"shortName":"CWMod","inputs":"0","output":"0","category":"radio-function","color":"#E6E0F8","icon":"arrow-in.png","outputs":"1"}}, |
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{"type":"RadioBFSKModulator_F32","data":{"defaults":{"name":{"value":"new"}},"shortName":"BFSKMod","inputs":"0","output":"0","category":"radio-function","color":"#E6E0F8","icon":"arrow-in.png","outputs":"1"}}, |
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{"type":"UART_F32","data":{"defaults":{"name":{"value":"new"}},"shortName":"UART","inputs":"1","output":"0","category":"radio-function","color":"#E6E0F8","icon":"arrow-in.png","outputs":"0"}}, |
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@ -3974,6 +3973,113 @@ look ahead delay, as well.</p> |
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</div> |
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</script> |
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<script type="text/x-red" data-help-name="radioCWModulator_F32"> |
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<!-- ============ radioCWModulator_F32 ========= --> |
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<h3>Summary</h3> |
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<div class=tooltipinfo> |
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<p>Generates and transmits Morse code at a programmable rate. |
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Storage for 512 characters is provided. |
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Inputs can be characters or ASCII strings. Most amateur radio CW symbols |
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are available. Gaussian bandwidth shaping is used, with a rise time of about 5 milliseconds. |
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The output is a keyed sine wave of programmable frequency and amplitude.</p> |
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</div> |
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<h3>Audio Connections</h3> |
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<table class=doc align=center cellpadding=3> |
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<tr class=top><th>Port</th><th>Purpose</th></tr> |
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<tr class=odd><td align=center>Out 0</td><td>CW transmit audio or I-F</td></tr> |
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</table> |
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<h3>Functions</h3> |
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<p class=func><span class=keyword><strong>bool</strong> sendCW</span>(<strong>char</strong> ch);</p> |
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<p class=desc>This places a single character, ch, into the buffer. If successful, |
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meaning that the buffer is not full, a <strong>true</strong> is returned.</p> |
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<p class=func><span class=keyword><strong>bool</strong> sendStringCW</span> |
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(<strong>char*</strong> pStr);</p> |
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<p class=desc>This places a string, pointed to by pStr, into the buffer. If successful, |
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meaning that the buffer is not full, a <strong>true</strong> is returned.</p> |
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<p class=func><span class=keyword>enableTransmit</span>(<strong>bool</strong> en);</p> |
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<p class=desc>If en is <strong>true</strong> and the buffer has characters available, CW is sent. |
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If en is <strong>false</strong> CW is not sent and characters are left in the buffer. |
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This, of course, does not control PTT. No return value.</p> |
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<p class=func><span class=keyword><strong>bool</strong> getEnableTransmit</span>();</p> |
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<p class=desc>Returns the enableTransmit status. If enableTransmit(false) is applied, |
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the getTransmitEnable() will remain true until the current character is completed. |
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Additionally, getTransmitEnable() will go false when all characters in the buffer have |
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been fully sent. This can be useful for control of Transmit/Receive.</p> |
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<p class=func><span class=keyword>amplitude</span>(<strong>float32_t</strong> a);</p> |
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<p class=desc>Sets a, the zero-to-peak amplitude of the transmit signal. The default is 1.0. |
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No return value.</p> |
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<p class=func><span class=keyword>frequency</span>(<strong>float32_t</strong> f);</p> |
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<p class=desc>Sets the frequency of the CW waveform. The default is 600 Hz. Any value up to |
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half of the sample rate can be used. |
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No return value.</p> |
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<p class=func><span class=keyword>setLongDashMs</span>(<strong>uint32_t</strong> longDashMs);</p> |
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<p class=desc>Sets the length, in milliseconds, of the long dash, longDashMs. This is sent by a |
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semi-colon in the CW buffer. The default is 1000 milliseconds. No return value.</p> |
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<p class=func><span class=keyword>setSampleRate_Hz</span> |
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(<strong>const float32_t</strong> &fs_Hz);</p> |
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<p class=desc>Most standard sample rates are supported. See the Notes below for details. </p> |
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<h3>Examples</h3> |
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<!-- <p class=exam>File > Examples > OpenAudio_ArduinoLibrary > FT8Transmit</p> --> |
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<h3>Notes</h3> |
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<p>See the library file radioCWModulator.h for more information</p> |
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<p>The alphabet includes A to Z (or a to z), 0 to 9, space, quote, dollar, |
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parentheses, period, comma, hyphen. slash, colon, equal (so-called double dash), |
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question-mark, under-score, error, KN, AR, SK, AS. There is also a programmable |
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long dash that is involked by the semicolon. By changing the frequency, amplitude |
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and length, this can be used as a general purpose pulsed tone generator. |
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</p> |
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<p>Seeds can be from 5 to 50 words per minute (WPM). From 5 to 30, all integer |
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speeds are available Above 30, you get the speed lower, or equal, than requested as |
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30, 35, 40, 45, or 50 WPM.</p> |
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<p>A 512 character circular buffer holds CW get to be sent. One can add to this buffer |
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any time. The actual transmission of data is controlled by the enable() function. |
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If there is any question that the buffer will be over-filled, the getBufferSpace() function |
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can be used to check.</p> |
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<p>This runs on T3.x or T4.x.</p> |
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<P>The built-in Gaussian bandwidth filter only runs with a sample rate around |
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12 ksps. To support higher rates, the output is "interpolated." The resulting |
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ranges of supported sample rates are 11.0 ksps to 12.1 ksps, 44.0 ksps to 50.1 ksps, |
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and 88.0 ksps to 100.1 ksps.</P> |
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<p>It is planned to add a couple of variables to support fast break-in (QSK I think?). |
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If someone needs this, let me know at the library Github "messages" and we could |
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try to finish it up.</p> |
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</script> |
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<script type="text/x-red" data-template-name="radioCWModulator_F32"> |
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<div class="form-row"> |
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<label for="node-input-name"><i class="fa fa-tag"></i> Name</label> |
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<input type="text" id="node-input-name" placeholder="Name"> |
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</div> |
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</script> |
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<script type="text/x-red" data-help-name="RadioFT8Modulator_F32"> |
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<!-- ============ RadioFT8Modulator_F32 ========= --> |
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