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

1865596 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.

AD2S1210 IIO Resolver-to-Digital Converter Linux Driver
Source Code
- Status
- Files
Adding Linux driver support
Driver Usage
More Information

AD2S1210 IIO Resolver-to-Digital Converter Linux Driver

Supported Devices

AD2S1210

Evaluation Boards

EVAL-AD2S1210EDZ

Description

Product Page

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

Function	File
driver	drivers/staging/iio/resolver/ad2s1210.c

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

Need Help?

Analog Devices Linux Device Drivers Help Forum
Ask a Question

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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