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diff --git a/static/freebsd/man4/man4.arm/ti_adc.4 3.html b/static/freebsd/man4/man4.arm/ti_adc.4 3.html new file mode 100644 index 00000000..70f4bada --- /dev/null +++ b/static/freebsd/man4/man4.arm/ti_adc.4 3.html @@ -0,0 +1,115 @@ +<table class="head"> + <tr> + <td class="head-ltitle">TI_ADC(4)</td> + <td class="head-vol">Device Drivers Manual (arm)</td> + <td class="head-rtitle">TI_ADC(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">ti_adc</code> — <span class="Nd">TI AM3XXX + analog to digital converter driver</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">device ti_adc</code></p> +</section> +<section class="Sh"> +<h1 class="Sh" id="DESCRIPTION"><a class="permalink" href="#DESCRIPTION">DESCRIPTION</a></h1> +<p class="Pp">The <code class="Nm">ti_adc</code> driver provides access to the + AIN (analog inputs) on am3xxx SoCs.</p> +<p class="Pp">It provides raw readings of the converted values for each analog + inputs.</p> +<p class="Pp">The access to <code class="Nm">ti_adc</code> data is made via the + <a class="Xr">sysctl(8)</a> interface:</p> +<div class="Bd Pp Li"> +<pre>dev.ti_adc.0.%desc: TI ADC controller +dev.ti_adc.0.%driver: ti_adc +dev.ti_adc.0.%pnpinfo: name=adc@44E0D000 compat=ti,adc +dev.ti_adc.0.%parent: simplebus0 +dev.ti_adc.0.clockdiv: 2400 +dev.ti_adc.0.ain.0.enable: 0 +dev.ti_adc.0.ain.0.open_delay: 0 +dev.ti_adc.0.ain.0.samples_avg: 0 +dev.ti_adc.0.ain.0.input: 0 +dev.ti_adc.0.ain.1.enable: 0 +dev.ti_adc.0.ain.1.open_delay: 0 +dev.ti_adc.0.ain.1.samples_avg: 0 +dev.ti_adc.0.ain.1.input: 0 +dev.ti_adc.0.ain.2.enable: 0 +dev.ti_adc.0.ain.2.open_delay: 0 +dev.ti_adc.0.ain.2.samples_avg: 0 +dev.ti_adc.0.ain.2.input: 0 +dev.ti_adc.0.ain.3.enable: 0 +dev.ti_adc.0.ain.3.open_delay: 0 +dev.ti_adc.0.ain.3.samples_avg: 0 +dev.ti_adc.0.ain.3.input: 0 +dev.ti_adc.0.ain.4.enable: 0 +dev.ti_adc.0.ain.4.open_delay: 0 +dev.ti_adc.0.ain.4.samples_avg: 0 +dev.ti_adc.0.ain.4.input: 0 +dev.ti_adc.0.ain.5.enable: 0 +dev.ti_adc.0.ain.5.open_delay: 0 +dev.ti_adc.0.ain.5.samples_avg: 0 +dev.ti_adc.0.ain.5.input: 0 +dev.ti_adc.0.ain.6.enable: 1 +dev.ti_adc.0.ain.6.open_delay: 0 +dev.ti_adc.0.ain.6.samples_avg: 4 +dev.ti_adc.0.ain.6.input: 2308 +dev.ti_adc.0.ain.7.enable: 1 +dev.ti_adc.0.ain.7.open_delay: 0 +dev.ti_adc.0.ain.7.samples_avg: 0 +dev.ti_adc.0.ain.7.input: 3812</pre> +</div> +<p class="Pp">On Beaglebone-black the analog input 7 is connected to the 3V3B + rail through a voltage divisor (2:1). The 3V3B voltage rail comes from the + TL5209 LDO regulator which is limited to 500mA maximum.</p> +<p class="Pp">Global settings:</p> +<dl class="Bl-tag"> + <dt id="dev.ti_adc.0.clockdiv"><var class="Va">dev.ti_adc.0.clockdiv</var></dt> + <dd>Sets the ADC clock prescaler. The minimum value is 10 and the maximum is + 65535. The ADC clock is based on CLK_M_OSC (24Mhz) / clockdiv. This gives + a maximum of ~2.4Mhz for the ADC clock and ~10Khz for the default setting + (clockdiv = 2400).</dd> +</dl> +<p class="Pp">Settings per input:</p> +<dl class="Bl-tag"> + <dt id="dev.ti_adc.0.ain._d.enable"><var class="Va">dev.ti_adc.0.ain.%d.enable</var></dt> + <dd>Enable the conversion for the input. Each input should be individually + enabled before it can be used. When all the inputs are disabled, the ADC + is turned off.</dd> + <dt id="dev.ti_adc.0.ain._d.open_delay"><var class="Va">dev.ti_adc.0.ain.%d.open_delay</var></dt> + <dd>Sets the number of ADC clock cycles to wait after applying the input + configuration and before start the ADC conversion.</dd> + <dt id="dev.ti_adc.0.ain._d.samples_avg"><var class="Va">dev.ti_adc.0.ain.%d.samples_avg</var></dt> + <dd>Sets the number of samples average used on each input, it can be set to 0 + (no samples average), 2, 4, 8, or 16.</dd> + <dt id="dev.ti_adc.0.ain._d.input"><var class="Va">dev.ti_adc.0.ain.%d.input</var></dt> + <dd>Is the converted raw value of the voltage applied on the analog input. It + is made of a 12 bit value (0 ~ 4095).</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">sysctl(8)</a></p> +</section> +<section class="Sh"> +<h1 class="Sh" id="HISTORY"><a class="permalink" href="#HISTORY">HISTORY</a></h1> +<p class="Pp">The <code class="Nm">ti_adc</code> driver first appeared in + <span class="Ux">FreeBSD 10.1</span>.</p> +</section> +<section class="Sh"> +<h1 class="Sh" id="AUTHORS"><a class="permalink" href="#AUTHORS">AUTHORS</a></h1> +<p class="Pp">The driver and this manual page was written by + <span class="An">Luiz Otavio O Souza</span> + <<a class="Mt" href="mailto:loos@FreeBSD.org">loos@FreeBSD.org</a>>.</p> +</section> +</div> +<table class="foot"> + <tr> + <td class="foot-date">June 1, 2014</td> + <td class="foot-os">FreeBSD 15.0</td> + </tr> +</table> |