IMX LED Driver TP - Revision history

XavierH at 18:57, 30 March 2009

2009-03-30T18:57:31Z

@@ Line 4: / Line 4: @@
 == Howto Load/unload modules : "hwmon" module ==
-Load module is quite simple once it is compile an in the rootfs of the apf board.
+Loading a module is quite simple once it is compiled and is present in the rootfs of the apf board.
-All the compiled driver modules are in the "/lib/modules/<kernel version>/kernel". To find all the loadable modules by the kernel in the board type :
+All the compiled driver modules are in the "/lib/modules/<kernel version>/kernel" in the apf rootfs. To list all the loadable modules by the kernel in the board type :
 <pre class="apf">
   # find /lib/modules/`uname -r`/kernel -name "*.ko"
@@ Line 43: / Line 43: @@
 TBC
-== Howto Build a simple module and load/unload it : the "Hello World" module ==
+== Howto Build a simple char module and load/unload it : the "Hello World" module ==
 == Howto Provide read/write commands to the user though /dev/hello : "Hello World Read Write" module ==
 == Howto Build a register use module : "iMX LED" module ==

XavierH: /* Howto Load/unload modules : "hwmon" module */

2009-03-17T17:43:40Z

Howto Load/unload modules : "hwmon" module

← Older revision		Revision as of 19:43, 17 March 2009
Line 29:		Line 29:
	#		#
	</pre>		</pre>
			To list all mod loaded :
			<pre class="apf">
			# lsmod
			Module Size Used by Not tainted
			hwmon 2356 0
			</pre>

	To unload it just type :		To unload it just type :
	<pre class="apf">		<pre class="apf">

XavierH: /* Howto Load/unload modules */

2009-03-17T17:42:04Z

Howto Load/unload modules

@@ Line 3: / Line 3: @@
 The goal of this tutorial is to build from scratch a simple led driver wire on GPIO of the iMX. This document will describes step by step how to implement a such driver
-== Howto Load/unload modules ==
+== Howto Load/unload modules : "hwmon" module ==
 == Howto Build a simple module and load/unload it : the "Hello World" module ==

XavierH at 17:17, 17 March 2009

2009-03-17T17:17:13Z

← Older revision		Revision as of 19:17, 17 March 2009
Line 5:		Line 5:
	== Howto Load/unload modules ==		== Howto Load/unload modules ==

	== Howto Build module and load/unload it : the "Hello World" module ==		== Howto Build a simple module and load/unload it : the "Hello World" module ==

	~~In a first time,~~ a "~~hello word~~" ~~driver will be built~~		== Howto Provide read/write commands to the user though /dev/hello : "Hello World Read Write" module ==

			== Howto Build a register use module : "iMX LED" module ==

XavierH: New page: {{Under_Construction}} == Proposal == The goal of this tutorial is to build from scratch a simple led driver wire on GPIO of the iMX. This document will describes step by step how to imple...

2009-03-17T17:08:16Z

New page: {{Under_Construction}} == Proposal == The goal of this tutorial is to build from scratch a simple led driver wire on GPIO of the iMX. This document will describes step by step how to imple...

New page

{{Under_Construction}}
== Proposal ==
The goal of this tutorial is to build from scratch a simple led driver wire on GPIO of the iMX. This document will describes step by step how to implement a such driver

== Howto Load/unload modules ==

== Howto Build module and load/unload it : the "Hello World" module ==

In a first time, a "hello word" driver will be built