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| author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2011-12-22 22:24:00 +0000 |
|---|---|---|
| committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2011-12-22 22:24:00 +0000 |
| commit | c1cec70f7ea9e4ec9272a369f44ce28166ca60d2 (patch) | |
| tree | f2aa8b6c2f7a3092fbd47459d15d4331501d048e | |
| parent | 64b5c8236dff87e2f546e63902412a01c45348d0 (diff) | |
| download | nuttx-c1cec70f7ea9e4ec9272a369f44ce28166ca60d2.tar.gz nuttx-c1cec70f7ea9e4ec9272a369f44ce28166ca60d2.tar.bz2 nuttx-c1cec70f7ea9e4ec9272a369f44ce28166ca60d2.zip | |
Calibrated all PIC32 delay loops
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4217 42af7a65-404d-4744-a932-0658087f49c3
| -rw-r--r-- | apps/examples/adc/adc_main.c | 2 | ||||
| -rw-r--r-- | nuttx/ChangeLog | 1 | ||||
| -rw-r--r-- | nuttx/configs/sure-pic32mx/nsh/defconfig | 9 | ||||
| -rw-r--r-- | nuttx/configs/sure-pic32mx/ostest/defconfig | 11 |
4 files changed, 11 insertions, 12 deletions
diff --git a/apps/examples/adc/adc_main.c b/apps/examples/adc/adc_main.c index 39eaf7d26..8373684a4 100644 --- a/apps/examples/adc/adc_main.c +++ b/apps/examples/adc/adc_main.c @@ -2,7 +2,7 @@ * examples/adc/adc_main.c * * 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 diff --git a/nuttx/ChangeLog b/nuttx/ChangeLog index 6c39fc194..7154b5d19 100644 --- a/nuttx/ChangeLog +++ b/nuttx/ChangeLog @@ -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. diff --git a/nuttx/configs/sure-pic32mx/nsh/defconfig b/nuttx/configs/sure-pic32mx/nsh/defconfig index 6eb1a7518..74b56dda8 100644 --- a/nuttx/configs/sure-pic32mx/nsh/defconfig +++ b/nuttx/configs/sure-pic32mx/nsh/defconfig @@ -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) diff --git a/nuttx/configs/sure-pic32mx/ostest/defconfig b/nuttx/configs/sure-pic32mx/ostest/defconfig index 00786792c..838e553ef 100644 --- a/nuttx/configs/sure-pic32mx/ostest/defconfig +++ b/nuttx/configs/sure-pic32mx/ostest/defconfig @@ -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) |