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      電子發(fā)燒友網(wǎng)>電子資料下載>類型>參考設(shè)計(jì)>AD2S1210 IIO旋轉(zhuǎn)變壓器-數(shù)字轉(zhuǎn)換器Linux驅(qū)動(dòng)程序

      AD2S1210 IIO旋轉(zhuǎn)變壓器-數(shù)字轉(zhuǎn)換器Linux驅(qū)動(dòng)程序

      2021-05-13 | pdf | 62.71KB | 次下載 | 2積分

      資料介紹

      This version (25 Sep 2019 14:33) was approved by Michael Hennerich.The Previously approved version (20 Nov 2015 16:28) is available.Diff

      Table of Contents

      AD2S1210 IIO Resolver-to-Digital Converter Linux Driver

      Supported Devices

      Evaluation Boards

      Reference Circuits

      Description

      This is a Linux industrial I/O (IIO) subsystem driver, targeting Resolver-to-Digital Converters. The industrial I/O subsystem provides a unified framework for drivers for many different types of converters and sensors using a number of different physical interfaces (i2c, spi, etc). See IIO for more information.

      Source Code

      Status

      Source Mainlined?
      git Yes

      Files

      Adding Linux driver support

      Configure kernel with “make menuconfig” (alternatively use “make xconfig” or “make qconfig”)

      The Driver depends on CONFIG_SPI 

      Linux Kernel Configuration
	Device Drivers  --->
		[*] Staging drivers  --->
			<*>     Industrial I/O support --->
			    --- Industrial I/O support
			    -*-   Enable ring buffer support within IIO
			    -*-     Industrial I/O lock free software ring
			    -*-   Enable triggered sampling support

			          *** Resolver to digital converters ***
			    [--snip--]

			    <*>   Analog Devices AD2S1210 driver

			    [--snip--]

      Driver Usage

      The device file path may looks like, 

      /sys/devices/platform/bfin-spi.0/spi0.3/iio/device0/ad2s1210>

      There are two files:

      File Name Permission Usage
      raw_io read/write raw SPI read/write
      reset write only soft reset
      fclkin read/write show/store input clock
      fexcit read/write show/store excitation clock
      control read/write show/store control register
      bits read/write show/store resolution
      fault read only show fault register
      pos read only 10/12/14/16 bits unsigned angular value
      vel read only 10/12/14/16 bits signed velocity value
      pos_vel read only 10/12/14/16 bits unsigned angular and signed velocity value
      los_thrd read/write show/store los threshold register
      dos_ovr_thrd read/write show/store dos overange register
      dos_mis_thrd read/write show/store dos mismatch register
      dos_rst_max_thrd read/write show/store dos reset maximum register
      dos_rst_min_thrd read/write show/store dos reset minimum register
      lot_high_thrd read/write show/store lot high threshold
      lot_low_thrd read/write show/store lot low threshold
      description read only description about this chip

      More Information

      31 Jul 2012 17:53 · Lars-Peter Clausen
      02 Mar 2011 15:16
      下載該資料的人也在下載 下載該資料的人還在閱讀
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