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Update a README; improvie some Kconfig defaults.

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This commit is contained in:
Gregory Nutt 2019-02-09 12:19:32 -06:00
parent 7ec13a3b4f
commit 6a30e22ad4
2 changed files with 12 additions and 6 deletions
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15
configs/sama5d2-xult/README.txt
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@ -803,11 +803,16 @@ Configurations
NOTES:
1. This configuration uses the USART3 for the serial console
which is available at the "DBGU" RS-232 connector (J24). That
is easily changed by reconfiguring to (1) enable a different
serial peripheral, and (2) selecting that serial peripheral as
the console device.
1. This configuration uses the FLEXCOM4 for the serial console.
REVISIT: This was intended to support an Arduino serial shield,
however, I think there are be problems with the FLEXCOM4 pins
at the at the Arduino connector.
It might be better to switch to USART1 (PD3 and PD4) which is
available at the "DBGU" RS-232 connector (J24). This is easily
changed by reconfiguring to (1) enable a different serial
peripheral, and (2) selecting that serial peripheral as the
console device.
2. By default, this configuration is set up to build on Windows
under either a Cygwin or MSYS environment using a recent, Windows-

3
libs/libc/stdio/Kconfig
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@ -127,7 +127,8 @@ config NANO_PRINTF
config NANO_PRINTLEVEL
int "Nano printf support level"
default 2
default 2 if !LIBC_FLOATINGPOINT
default 3 if LIBC_FLOATINGPOINT
range 1 2 if !LIBC_FLOATINGPOINT
range 1 3 if LIBC_FLOATINGPOINT
depends on NANO_PRINTF