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Diffstat (limited to 'apps/nshlib/README.txt')
| -rw-r--r-- | apps/nshlib/README.txt | 36 |
1 files changed, 21 insertions, 15 deletions
diff --git a/apps/nshlib/README.txt b/apps/nshlib/README.txt index b7a01beb9..7a59e7c06 100644 --- a/apps/nshlib/README.txt +++ b/apps/nshlib/README.txt @@ -1211,21 +1211,27 @@ NSH-Specific Configuration Settings CONFIG_NSH_USBDEV_TRACEINTERRUPTS Show interrupt-related events. - * CONFIG_NSH_CONDEV - If CONFIG_NSH_CONSOLE is set to 'y', then CONFIG_NSH_CONDEV - may also be set to select the serial device used to support - the NSH console. This should be set to the quoted name of a - readable/write-able character driver such as: - CONFIG_NSH_CONDEV="/dev/ttyS1". This is useful, for example, - to separate the NSH command line from the system console when - the system console is used to provide debug output. Default: - stdin and stdout (probably "/dev/console") - - NOTE: When any other device other than /dev/console is used - for a user interface, (1) linefeeds (\n) will not be expanded to - carriage return / linefeeds (\r\n). You will need to set - your terminal program to account for this. And (2) input is - not automatically echoed so you will have to turn local echo on. + * CONFIG_NSH_ALTCONDEV and CONFIG_NSH_CONDEV + If CONFIG_NSH_CONSOLE is set to 'y', then CONFIG_NSH_ALTCONDEV may also + be selected to enable use of an alternate character device to support + the NSH console. If CONFIG_NSH_ALTCONDEV is selected, then + CONFIG_NSH_CONDEV holds the quoted name of a readable/write-able + character driver such as: CONFIG_NSH_CONDEV="/dev/ttyS1". This is + useful, for example, to separate the NSH command line from the system + console when the system console is used to provide debug output. + Default: stdin and stdout (probably "/dev/console") + + NOTE 1: When any other device other than /dev/console is used for a + user interface, (1) linefeeds (\n) will not be expanded to carriage + return / linefeeds (\r\n). You will need to configure your terminal + program to account for this. And (2) input is not automatically + echoed so you will have to turn local echo on. + + NOTE 2: This option forces the console of all sessions to use + NSH_CONDEV. Hence, this option only makes sense for a system that + supports only a single session. This option is, in particular, + incompatible with Telnet sessions because each Telnet session must + use a different console device. * CONFIG_NSH_TELNET If CONFIG_NSH_TELNET is set to 'y', then a TELENET |