From 0fcd87da6c840554cacc94fe14b5963d59441ab7 Mon Sep 17 00:00:00 2001 From: patacongo Date: Mon, 18 May 2009 23:01:30 +0000 Subject: Calibrate lm3s6918 timing loop git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1792 42af7a65-404d-4744-a932-0658087f49c3 --- nuttx/configs/mx1ads/README.txt | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'nuttx/configs/mx1ads/README.txt') diff --git a/nuttx/configs/mx1ads/README.txt b/nuttx/configs/mx1ads/README.txt index c3cb96527..a270bfa2b 100644 --- a/nuttx/configs/mx1ads/README.txt +++ b/nuttx/configs/mx1ads/README.txt @@ -84,6 +84,13 @@ ARM/i.MX1-specific Configuration Options CONFIG_ARCH_STACKDUMP - Do stack dumps after assertions + CONFIG_ARCH_CALIBRATION - Enables some build in instrumentation that + cause a 100 second delay during boot-up. This 100 second delay + serves no purpose other than it allows you to calibratre + CONFIG_ARCH_LOOPSPERMSEC. You simply use a stop watch to measure + the 100 second delay then adjust CONFIG_ARCH_LOOPSPERMSEC until + the delay actually is 100 seconds. + IMX specific device driver settings CONFIG_UARTn_SERIAL_CONSOLE - selects the UARTn for the -- cgit v1.2.3