diff options
Diffstat (limited to 'static/netbsd/man4/spi.4 4.html')
| -rw-r--r-- | static/netbsd/man4/spi.4 4.html | 128 |
1 files changed, 0 insertions, 128 deletions
diff --git a/static/netbsd/man4/spi.4 4.html b/static/netbsd/man4/spi.4 4.html deleted file mode 100644 index 81db5989..00000000 --- a/static/netbsd/man4/spi.4 4.html +++ /dev/null @@ -1,128 +0,0 @@ -<table class="head"> - <tr> - <td class="head-ltitle">SPI(4)</td> - <td class="head-vol">Device Drivers Manual</td> - <td class="head-rtitle">SPI(4)</td> - </tr> -</table> -<div class="manual-text"> -<section class="Sh"> -<h1 class="Sh" id="NAME"><a class="permalink" href="#NAME">NAME</a></h1> -<p class="Pp"><code class="Nm">spi</code> — <span class="Nd">introduction - to machine-independent SPI bus support and drivers</span></p> -</section> -<section class="Sh"> -<h1 class="Sh" id="SYNOPSIS"><a class="permalink" href="#SYNOPSIS">SYNOPSIS</a></h1> -<p class="Pp"><code class="Cd">spi* at mainbus?</code> - <br/> - <code class="Cd">spi* at umcpmio?</code></p> -<p class="Pp">Other attachments are machine-dependent and will depend on the bus - topology of your system. See <a class="Xr">intro(4)</a> for your system for - more information.</p> -</section> -<section class="Sh"> -<h1 class="Sh" id="DESCRIPTION"><a class="permalink" href="#DESCRIPTION">DESCRIPTION</a></h1> -<p class="Pp"><span class="Ux">NetBSD</span> includes a machine dependent SPI - (Serial Peripheral Interface) bus subsystem, and several different - machine-independent SPI device drivers.</p> -<p class="Pp">Your system may support additional machine-dependent SPI devices. - Consult your system's <a class="Xr">intro(4)</a> for additional - information.</p> -<p class="Pp">SPI is a 4-wire synchronous full-duplex serial bus. Some systems - provide support for Microwire, which is Philips' name for a strict subset of - SPI, with more rigidly defined signaling. Therefore, Microwire devices are - also supported by the SPI framework.</p> -<p class="Pp">Note that when referencing SPI devices in a - <a class="Xr">config(1)</a> file, the ‘slave’ must be - provided, as SPI lacks any way to automatically probe devices.</p> -</section> -<section class="Sh"> -<h1 class="Sh" id="IOCTLS"><a class="permalink" href="#IOCTLS">IOCTLS</a></h1> -<p class="Pp">The following <a class="Xr">ioctl(2)</a> calls apply to - <a class="permalink" href="#SPI"><i class="Em" id="SPI">SPI</i></a> devices. - They are defined in the header file - <code class="In"><<a class="In">dev/spi/spi_io.h</a>></code>:</p> -<dl class="Bl-tag"> - <dt id="SPI_IOCTL_CONFIGURE"><a class="permalink" href="#SPI_IOCTL_CONFIGURE"><code class="Dv">SPI_IOCTL_CONFIGURE - (spi_ioctl_configure_t)</code></a></dt> - <dd>Used to choose the operational mode and clock. The - <code class="Li">sic_mode</code> defines polarity and phase of the clock. - <code class="Li">sic_speed</code> is the clock speed in Hz, a value of 0 - means to keep the default speed of the device. - <div class="Bd Pp Li"> - <pre>typedef struct spi_ioctl_configure { - int sic_addr; - int sic_mode; - int sic_speed; -} spi_ioctl_configure_t;</pre> - </div> - </dd> - <dt id="SPI_IOCTL_TRANSFER"><a class="permalink" href="#SPI_IOCTL_TRANSFER"><code class="Dv">SPI_IOCTL_TRANSFER - (spi_ioctl_transfer_t)</code></a></dt> - <dd>Used to handle an I/O transaction. - <div class="Bd Pp Li"> - <pre>typedef struct spi_ioctl_transfer { - int sit_addr; - const void *sit_send; - size_t sit_sendlen; - void *sit_recv; - size_t sit_recvlen; -} spi_ioctl_transfer_t;</pre> - </div> - </dd> -</dl> -</section> -<section class="Sh"> -<h1 class="Sh" id="HARDWARE"><a class="permalink" href="#HARDWARE">HARDWARE</a></h1> -<p class="Pp"><span class="Ux">NetBSD</span> includes the following - machine-independent SPI drivers:</p> -<div class="Bd-indent"> -<dl class="Bl-tag"> - <dt><a class="Xr">bmx280thp(4)</a></dt> - <dd>Bosch BMP280 / BME280 sensor.</dd> - <dt><a class="Xr">m25p(4)</a></dt> - <dd>STMicroelectronics M25P family of NOR flash devices.</dd> - <dt><a class="Xr">mcp23s17gpio(4)</a></dt> - <dd>Microchip MCP23S17 16-bit GPIO chip.</dd> - <dt><a class="Xr">mcp3kadc(4)</a></dt> - <dd>Microchip MCP3x0x SAR analog to digital converter.</dd> - <dt><a class="Xr">mcp48x1dac(4)</a></dt> - <dd>Microchip MCP4801/MCP4811/MCP4821 digital to analog converter.</dd> - <dt><a class="Xr">sc16is7xx(4)</a></dt> - <dd>NXP 16C450 like UART bridge</dd> - <dt><a class="Xr">scmdspi(4)</a></dt> - <dd>SPI frontend for the Sparkfun Serial Controlled Motor Driver.</dd> - <dt><a class="Xr">ssdfb(4)</a></dt> - <dd>OLED/PLED framebuffer modules.</dd> - <dt><a class="Xr">tm121temp(4)</a></dt> - <dd>Texas Instruments TMP121 temperature sensor.</dd> -</dl> -</div> -</section> -<section class="Sh"> -<h1 class="Sh" id="FILES"><a class="permalink" href="#FILES">FILES</a></h1> -<dl class="Bl-tag Bl-compact"> - <dt>/dev/spi<var class="Ar">u</var></dt> - <dd>SPI device unit <var class="Ar">u</var> file.</dd> -</dl> -</section> -<section class="Sh"> -<h1 class="Sh" id="SEE_ALSO"><a class="permalink" href="#SEE_ALSO">SEE - ALSO</a></h1> -<p class="Pp"><a class="Xr">spi(9)</a></p> -</section> -<section class="Sh"> -<h1 class="Sh" id="HISTORY"><a class="permalink" href="#HISTORY">HISTORY</a></h1> -<p class="Pp">The machine-independent SPI framework was written by - <span class="An">Garrett D'Amore</span> for the Champaign-Urbana Community - Wireless Network Project (CUWiN), and appeared in <span class="Ux">NetBSD - 4.0</span>. The <a class="Xr">ioctl(2)</a> interface allowing configuration - from userspace appeared in <span class="Ux">NetBSD 9.0</span>.</p> -</section> -</div> -<table class="foot"> - <tr> - <td class="foot-date">February 27, 2021</td> - <td class="foot-os">NetBSD 10.1</td> - </tr> -</table> |