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SConstruct edited just to leave group/files definitions close to the platform/groups. Doc content files mirroed to pt, to ease the portuguese version initial migration
100 lines
5.3 KiB
HTML
100 lines
5.3 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Strict//EN">
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<html><head>
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<meta http-equiv="content-type" content="text/html; charset=ISO-8859-1">
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<meta http-equiv="Content-Language" content="en-us"><title>Product</title>
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<link rel="stylesheet" type="text/css" href="../style.css">
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</head>
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<body style="background-color: rgb(255, 255, 255);">
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<h3><a name="over"></a>spi</h3>
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<span style="font-weight: bold;"></span><br>
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<big><span style="font-family: Helvetica,Arial,sans-serif;"></span><font style="font-family: Helvetica,Arial,sans-serif;" size="2"><big><a name="setup"></a>Actual_clock = spi.setup( id,
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spi.MASTER | spi.SLAVE, clock, cpol, cpha,</big></font><span style="font-family: Helvetica,Arial,sans-serif;">
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</span><br style="font-family: Helvetica,Arial,sans-serif;">
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<span style="font-family: Helvetica,Arial,sans-serif;">
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</span><font style="font-family: Helvetica,Arial,sans-serif;" size="2"><big>databits):
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set the SPI interface with the given parameters, returns the clock</big></font><span style="font-family: Helvetica,Arial,sans-serif;">
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</span><br style="font-family: Helvetica,Arial,sans-serif;">
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<span style="font-family: Helvetica,Arial,sans-serif;">
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</span><font style="font-family: Helvetica,Arial,sans-serif;" size="2"><big>that
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was set for the interface.</big></font><span style="font-family: Helvetica,Arial,sans-serif;">
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</span><br style="font-family: Helvetica,Arial,sans-serif;">
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<span style="font-family: Helvetica,Arial,sans-serif;">
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</span><br style="font-family: Helvetica,Arial,sans-serif;">
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<font style="font-family: Helvetica,Arial,sans-serif;" size="2"><big><a name="select"></a>spi.select(
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</big></font><font style="font-family: Helvetica,Arial,sans-serif;" size="2"><big>id</big></font><font style="font-family: Helvetica,Arial,sans-serif;" size="2"><big>
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): sets the selected spi as active (sets the SS line of the given
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interface).</big></font><span style="font-family: Helvetica,Arial,sans-serif;">
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</span><br style="font-family: Helvetica,Arial,sans-serif;">
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<font style="font-family: Helvetica,Arial,sans-serif;" size="2"><big> </big></font><span style="font-family: Helvetica,Arial,sans-serif;">
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</span><br style="font-family: Helvetica,Arial,sans-serif;">
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<font style="font-family: Helvetica,Arial,sans-serif;" size="2"><big><a name="unselect"></a>spi.unselect(
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id ): clears the SS line of the given interface.</big></font><span style="font-family: Helvetica,Arial,sans-serif;">
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</span><br style="font-family: Helvetica,Arial,sans-serif;">
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<font style="font-family: Helvetica,Arial,sans-serif;" size="2"><big> </big></font><span style="font-family: Helvetica,Arial,sans-serif;">
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</span><br style="font-family: Helvetica,Arial,sans-serif;">
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<font style="font-family: Helvetica,Arial,sans-serif;" size="2"><big><a name="send"></a>spi.send(
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id, Data1, Data2, ... ): sends all the data to the specified SPI</big></font><span style="font-family: Helvetica,Arial,sans-serif;">
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</span><br style="font-family: Helvetica,Arial,sans-serif;">
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<span style="font-family: Helvetica,Arial,sans-serif;">
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</span><font style="font-family: Helvetica,Arial,sans-serif;" size="2"><big>interface.</big></font><span style="font-family: Helvetica,Arial,sans-serif;">
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</span><br style="font-family: Helvetica,Arial,sans-serif;">
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<span style="font-family: Helvetica,Arial,sans-serif;">
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</span><br style="font-family: Helvetica,Arial,sans-serif;">
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<font style="font-family: Helvetica,Arial,sans-serif;" size="2"><big><a name="sendrecv"></a>[</big></font><font style="font-family: Helvetica,Arial,sans-serif;" size="2"><big>spi.sendrecv(</big></font><font style="font-family: Helvetica,Arial,sans-serif;" size="2"><big>id,
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Out1, Out2, ...</big></font><font style="font-family: Helvetica,Arial,sans-serif;" size="2"><big>)]
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</big></font><font style="font-family: Helvetica,Arial,sans-serif;" size="2"><big>In1,
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In2, ... = spi.send_recv( id, Out1, Out2, ... ): sends all the "out"
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bytes</big></font><span style="font-family: Helvetica,Arial,sans-serif;"> </span><font style="font-family: Helvetica,Arial,sans-serif;" size="2"><big>to
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the specified SPI interface and returts the data read after each sent
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byte.</big></font><span style="font-family: Helvetica,Arial,sans-serif;">
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</span><br style="font-family: Helvetica,Arial,sans-serif;">
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<br style="font-family: Helvetica,Arial,sans-serif;">
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<font style="font-family: Helvetica,Arial,sans-serif;" size="2"><big>Returning
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several values in this blocking way would not complicate some queued
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send implementations ? (ok, this could be another function :)</big></font><span style="font-family: Helvetica,Arial,sans-serif;">
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</span><br style="font-family: Helvetica,Arial,sans-serif;">
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<br style="font-family: Helvetica,Arial,sans-serif;">
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<font style="font-family: Helvetica,Arial,sans-serif;" size="2"><big>Sending multiple data/chars in a single
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call and not in
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a table argument does not allow the data to be built in run time
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(without some string massage, of course :)</big></font><br>
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