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SAMD21-Xplained: Refresh configuration and update status in README

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This commit is contained in:
Gregory Nutt 2015-07-06 11:08:07 -06:00
parent a5e185569d
commit babbd4438c
2 changed files with 17 additions and 5 deletions
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20
configs/samd21-xplained/README.txt
View File

@ -23,16 +23,26 @@ Contents
- Atmel Studio 6.1 - Atmel Studio 6.1
- SAMD21 Xplained Pro-specific Configuration Options - SAMD21 Xplained Pro-specific Configuration Options
- Configurations - Configurations
cd p
STATUS/ISSUES STATUS/ISSUES
============= =============
1. See configs/samd20-xplained/README.txt. This port derives from the 1. See configs/samd20-xplained/README.txt. This port derives from the
SAMD20 Xplained board board and all issues there should apply. SAMD20 Xplained board board and all issues there should apply.
2. 2015-06-28: As of this writing, no testing has been performed. The
board is on order and testing will begin when I have the board in hand. 2. 2015-07-06: The basic NSH configuration is working properly, but
3. 2015-07-03: Board received. Does not work on initial tests. There not at 115200 baud which is the default BAUD selection in the
is, apparently, some problem in the clocking setup. configurations. It is necessary to drop the BAUD in the
configuration.
I suspect that this is an issue on my board and due to running the
system on uncalibrated OSC8M. My bet is that the issue would not
exist on many boards or if OSC8M were calibrated or if a more precise
clock source were used (like XOSC32K).
... After more experimentation, I am not sure this conclusion is
correct or not. Perhaps the board just comes up with a bad clocking
configuration at times????
Modules Modules
======= =======

2
configs/samd21-xplained/nsh/defconfig
View File

@ -229,6 +229,7 @@ CONFIG_ARCH_HAVE_VFORK=y
# CONFIG_ARCH_NAND_HWECC is not set # CONFIG_ARCH_NAND_HWECC is not set
# CONFIG_ARCH_HAVE_EXTCLK is not set # CONFIG_ARCH_HAVE_EXTCLK is not set
# CONFIG_ARCH_HAVE_POWEROFF is not set # CONFIG_ARCH_HAVE_POWEROFF is not set
CONFIG_ARCH_HAVE_RESET=y
# CONFIG_ARCH_IRQPRIO is not set # CONFIG_ARCH_IRQPRIO is not set
CONFIG_ARCH_STACKDUMP=y CONFIG_ARCH_STACKDUMP=y
# CONFIG_ENDIAN_BIG is not set # CONFIG_ENDIAN_BIG is not set
@ -789,6 +790,7 @@ CONFIG_NSH_DISABLE_DF=y
# CONFIG_NSH_DISABLE_SLEEP is not set # CONFIG_NSH_DISABLE_SLEEP is not set
# CONFIG_NSH_DISABLE_TEST is not set # CONFIG_NSH_DISABLE_TEST is not set
# CONFIG_NSH_DISABLE_UMOUNT is not set # CONFIG_NSH_DISABLE_UMOUNT is not set
CONFIG_NSH_DISABLE_UNAME=y
# CONFIG_NSH_DISABLE_UNSET is not set # CONFIG_NSH_DISABLE_UNSET is not set
# CONFIG_NSH_DISABLE_USLEEP is not set # CONFIG_NSH_DISABLE_USLEEP is not set
# CONFIG_NSH_DISABLE_WGET is not set # CONFIG_NSH_DISABLE_WGET is not set