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Calibrated all PIC32 delay loops

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4217 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo 2011-12-22 22:24:00 +00:00
parent 761cfde591
commit d8e666b966
3 changed files with 10 additions and 11 deletions
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1
ChangeLog
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@ -2293,3 +2293,4 @@
accuracy of the timer-driven sampling.
* configs/sure-pic32mx/nsh. The PIC32 port if (finally) functionaal. Add an
NSH configuration for the Sure PIC32MX board.
* configs/sure-pic32mx/*/defconfig. Calibrated all PIC32 delay loops.

9
configs/sure-pic32mx/nsh/defconfig
View file

@ -49,7 +49,9 @@
# CONFIG_ARCH_BOARD_name - for use in C code
# CONFIG_ENDIAN_BIG - define if big endian (default is little endian)
# NOTE: The PIC32MX is always little endian.
# CONFIG_BOARD_LOOPSPERMSEC - for delay loops
# CONFIG_BOARD_LOOPSPERMSEC. You simply use a stop watch to measure
# the 100 second delay then adjust CONFIG_BOARD_LOOPSPERMSEC until
# the delay actually is 100 seconds.
# CONFIG_DRAM_SIZE - Describes the installed DRAM.
# CONFIG_DRAM_START - The start address of DRAM (physical)
# CONFIG_DRAM_END - Last address+1 of installed RAM
@ -65,9 +67,6 @@
# 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 calibrate
# CONFIG_BOARD_LOOPSPERMSEC. You simply use a stop watch to measure
# the 100 second delay then adjust CONFIG_BOARD_LOOPSPERMSEC until
# the delay actually is 100 seconds.
# CONFIG_ARCH_DMA - Support DMA initialization
#
CONFIG_ARCH=mips
@ -77,7 +76,7 @@ CONFIG_ARCH_CHIP=pic32mx
CONFIG_ARCH_CHIP_PIC32MX440F512H=y
CONFIG_ARCH_BOARD=sure-pic32mx
CONFIG_ARCH_BOARD_SUREPIC32MX=y
CONFIG_BOARD_LOOPSPERMSEC=8079
CONFIG_BOARD_LOOPSPERMSEC=4275
CONFIG_DRAM_SIZE=(32*1024)
CONFIG_DRAM_START=0xa0000000
CONFIG_DRAM_END=(CONFIG_DRAM_START+CONFIG_DRAM_SIZE)

11
configs/sure-pic32mx/ostest/defconfig
View file

@ -2,7 +2,7 @@
# configs/sure-pic32mx/ostest/defconfig
#
# Copyright (C) 2011 Gregory Nutt. All rights reserved.
# Author: Gregory Nutt <spudmonkey@racsa.co.cr>
# Author: Gregory Nutt <gnutt@nuttx.org>
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
@ -49,7 +49,9 @@
# CONFIG_ARCH_BOARD_name - for use in C code
# CONFIG_ENDIAN_BIG - define if big endian (default is little endian)
# NOTE: The PIC32MX is always little endian.
# CONFIG_BOARD_LOOPSPERMSEC - for delay loops
# CONFIG_BOARD_LOOPSPERMSEC. You simply use a stop watch to measure
# the 100 second delay then adjust CONFIG_BOARD_LOOPSPERMSEC until
# the delay actually is 100 seconds.
# CONFIG_DRAM_SIZE - Describes the installed DRAM.
# CONFIG_DRAM_START - The start address of DRAM (physical)
# CONFIG_DRAM_END - Last address+1 of installed RAM
@ -65,9 +67,6 @@
# 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 calibrate
# CONFIG_BOARD_LOOPSPERMSEC. You simply use a stop watch to measure
# the 100 second delay then adjust CONFIG_BOARD_LOOPSPERMSEC until
# the delay actually is 100 seconds.
# CONFIG_ARCH_DMA - Support DMA initialization
#
CONFIG_ARCH=mips
@ -77,7 +76,7 @@ CONFIG_ARCH_CHIP=pic32mx
CONFIG_ARCH_CHIP_PIC32MX440F512H=y
CONFIG_ARCH_BOARD=sure-pic32mx
CONFIG_ARCH_BOARD_SUREPIC32MX=y
CONFIG_BOARD_LOOPSPERMSEC=8079
CONFIG_BOARD_LOOPSPERMSEC=4275
CONFIG_DRAM_SIZE=(32*1024)
CONFIG_DRAM_START=0xa0000000
CONFIG_DRAM_END=(CONFIG_DRAM_START+CONFIG_DRAM_SIZE)