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resources:tools-software:linux-drivers:iio-adc:ad7291 [31 Aug 2011 15:41] – [AD7291 IIO ADC Linux Driver] Michael Hennerichresources:tools-software:linux-drivers:iio-adc:ad7291 [20 Dec 2016 10:24] (current) – fix links Lars-Peter Clausen
Line 3: Line 3:
 ===== Supported Devices ===== ===== Supported Devices =====
  
-This driver supports the\\ +  * [[adi>AD7291]]
-[[adi>AD7291]]\\+
  
 +===== Evaluation Boards =====
 +
 +  * [[adi>EVAL-AD7291SDZ]]
 ===== Description ===== ===== Description =====
  
Line 16: Line 18:
 ===== Status ===== ===== Status =====
  
-^  Source  ^  Mainlined?  ^ +^ Source ^ Mainlined? ^ 
-| [[staging.kernel.org>drivers/staging/iio/adc/ad7291.c|git]] |  [[git.linux.org>drivers/staging/iio/adc/ad7291.c|Yes]]  |+| [[git.linux.org>drivers/iio/adc/ad7291.c|git]] | [[git.linux.org>drivers/iio/adc/ad7291.c|Yes]] |
 ===== Files ===== ===== Files =====
  
 ^ Function ^ File ^ ^ Function ^ File ^
-| driver  | [[staging.kernel.org>drivers/staging/iio/adc/ad7291.c]] |+| driver  | [[git.linux.org>drivers/iio/adc/ad7291.c]] |
  
 ====== Example platform device initialization ====== ====== Example platform device initialization ======
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 ===== Specifying reference voltage via the regulator framework ===== ===== Specifying reference voltage via the regulator framework =====
  
-<note tip>+<WRAP tip>
 In case the AD7291 on-chip 2.5V reference is not used,  In case the AD7291 on-chip 2.5V reference is not used, 
 this driver requires specifying the reference voltage, by using the Linux regulator framework. this driver requires specifying the reference voltage, by using the Linux regulator framework.
-</note>+</WRAP>
  
 Below example specifies a 3.3 Volt reference for the I2C device 0-002a on I2C-Bus 0. (**0-002a**) Below example specifies a 3.3 Volt reference for the I2C device 0-002a on I2C-Bus 0. (**0-002a**)
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 "make qconfig") "make qconfig")
  
-<note>+<WRAP round help>
 The driver depends on **CONFIG_I2C** The driver depends on **CONFIG_I2C**
-</note>+</WRAP>
  
 <code> <code>
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 {{page>software:linux:docs:iio:iio_snippets#iio device files&noheader&firstseconly&noeditbtn}} {{page>software:linux:docs:iio:iio_snippets#iio device files&noheader&firstseconly&noeditbtn}}
  
-<box 100% green|shell prompt running on the target>+<WRAP box bggreen><wrap info>This specifies any shell prompt running on the target</wrap>
 <xterm> <xterm>
 root:/> **cd /sys/bus/iio/devices/** root:/> **cd /sys/bus/iio/devices/**
Line 183: Line 185:
 lrwxrwxrwx    1 root     root             0 Jan  1 00:38 subsystem -> ../../../../../../bus/iio lrwxrwxrwx    1 root     root             0 Jan  1 00:38 subsystem -> ../../../../../../bus/iio
 -rw-r--r--    1 root     root          4096 Jan  1 00:38 uevent -rw-r--r--    1 root     root          4096 Jan  1 00:38 uevent
-</xterm></box>+</xterm></WRAP>
  
 === Show device name === === Show device name ===
  
-<box 100% green|shell prompt running on the target>+<WRAP box bggreen><wrap info>This specifies any shell prompt running on the target</wrap>
 <xterm> <xterm>
 root:/sys/devices/platform/i2c-bfin-twi.0/i2c-0/0-002a/iio:device0> **cat name** root:/sys/devices/platform/i2c-bfin-twi.0/i2c-0/0-002a/iio:device0> **cat name**
 ad7291 ad7291
-</xterm></box>+</xterm></WRAP>
  
 === Show scale === === Show scale ===
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 scale to be applied to in_voltageX_raw in order to obtain the measured voltage in millivolts. scale to be applied to in_voltageX_raw in order to obtain the measured voltage in millivolts.
  
-<box 100% green|shell prompt running on the target>+<WRAP box bggreen><wrap info>This specifies any shell prompt running on the target</wrap>
 <xterm> <xterm>
 root:/sys/devices/platform/i2c-bfin-twi.0/i2c-0/0-002a/iio:device0> **cat in_voltage_scale** root:/sys/devices/platform/i2c-bfin-twi.0/i2c-0/0-002a/iio:device0> **cat in_voltage_scale**
 0.610000 0.610000
-</xterm></box>+</xterm></WRAP>
  
 === Show channel 0 measurement === === Show channel 0 measurement ===
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 | VIN7 | in_voltage7_raw | | VIN7 | in_voltage7_raw |
  
-<box 100% green|shell prompt running on the target>+<WRAP box bggreen><wrap info>This specifies any shell prompt running on the target</wrap>
 <xterm> <xterm>
 root:/sys/devices/platform/i2c-bfin-twi.0/i2c-0/0-002a/iio:device0> **cat in_voltage0_raw** root:/sys/devices/platform/i2c-bfin-twi.0/i2c-0/0-002a/iio:device0> **cat in_voltage0_raw**
 1641 1641
-</xterm></box>+</xterm></WRAP>
  
 **U** = //in_voltage0_raw * in_voltage_scale// = 1641 * 0.610000 = **1001,01 //mV//** **U** = //in_voltage0_raw * in_voltage_scale// = 1641 * 0.610000 = **1001,01 //mV//**
Line 237: Line 239:
 | in_temp0_mean_raw | Averaged temperature | | in_temp0_mean_raw | Averaged temperature |
  
-<box 100% green|shell prompt running on the target>+<WRAP box bggreen><wrap info>This specifies any shell prompt running on the target</wrap>
 <xterm> <xterm>
 root:/sys/devices/platform/i2c-bfin-twi.0/i2c-0/0-002a/iio:device0> **cat in_temp0_raw** root:/sys/devices/platform/i2c-bfin-twi.0/i2c-0/0-002a/iio:device0> **cat in_temp0_raw**
Line 243: Line 245:
 root:/sys/devices/platform/i2c-bfin-twi.0/i2c-0/0-002a/iio:device0> **cat in_temp0_scale** root:/sys/devices/platform/i2c-bfin-twi.0/i2c-0/0-002a/iio:device0> **cat in_temp0_scale**
 250 250
-</xterm></box>+</xterm></WRAP>
  
 **T** = in_temp0_raw * in_temp0_scale = 107 * 250 = 26750 = **26.75 //°C//** **T** = in_temp0_raw * in_temp0_scale = 107 * 250 = 26750 = **26.75 //°C//**
resources/tools-software/linux-drivers/iio-adc/ad7291.1314798098.txt.gz · Last modified: 31 Aug 2011 15:41 (external edit)

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