From 8b265a45d9b5d840b563321941c632bd3b2c3963 Mon Sep 17 00:00:00 2001 From: patacongo Date: Wed, 15 Feb 2012 17:51:30 +0000 Subject: Add QE support to STM32F4Discovery; add a test of the quadrature encoder driver git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4395 42af7a65-404d-4744-a932-0658087f49c3 --- apps/examples/README.txt | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) (limited to 'apps/examples/README.txt') diff --git a/apps/examples/README.txt b/apps/examples/README.txt index d598180e5..eeb05562d 100644 --- a/apps/examples/README.txt +++ b/apps/examples/README.txt @@ -906,6 +906,33 @@ examples/pwm only available if CONFIG_PWM_PULSECOUNT is defined. Default: 0 (i.e., use the duration, not the count). +examples/qencoder +^^^^^^^^^^^^^^^^^ + + This example is a simple test of a Quadrature Encoder driver. It simply reads + positional data from the encoder and prints it., + + This test depends on these specific QE/NSH configurations settings (your + specific PWM settings might require additional settings). + + CONFIG_QENCODER - Enables quadrature encoder support (upper-half driver). + CONFIG_NSH_BUILTIN_APPS - Build the QE test as an NSH built-in function. + Default: Built as a standalone progrem. + + Additional configuration options will mostly likely be required for the board- + specific lower-half driver. See the README.txt file in your board configuration + directory. + + Specific configuration options for this example include: + + CONFIG_EXAMPLES_QENCODER_DEVPATH - The path to the QE device. Default: + /dev/qe0 + CONFIG_EXAMPLES_QENCODER_NSAMPLES - If CONFIG_NSH_BUILTIN_APPS + is defined, then the number of samples is provided on the command line + and this value is ignored. Otherwise, this number of samples is + collected and the program terminates. Default: Samples are collected + indefinitely. + examples/rgmp ^^^^^^^^^^^^^ -- cgit v1.2.3