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AD2S90 IIO旋转变压器-数字转换器Linux驱动程序

消耗积分:2 | 格式:pdf | 大小:58.49KB | 2021-05-23

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This version (20 Nov 2015 16:31) was approved by Lars-Peter Clausen.The Previously approved version (05 Sep 2012 14:06) is available.Diff

AD2S90 IIO Resolver-to-Digital Converter Linux Driver

Supported Devices

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 AD2S90 driver

			    [--snip--]

Driver Usage

The device file path may looks like,

/sys/devices/platform/bfin-spi.0/spi0.3/iio/device0/ad2s90>

There are two files:

File Name Permission Usage
angular read only 12 bits angular value
description read only description about this chip

More Information

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