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Table 21 GPIO General Commands

Command

Description

configuration reset to default.

SHOW GPIO DIRM <bit-mask>

Shows all direction control bits

Example:

Local> set gpio dirm 01

Local> show gpio dirm

GPIO direction mask=01

SET GPIO SPECIAL [EN | DIS]

Sets a single special function control bit. This command

enables or disables the special function of the GPIO signal

specified. <gpio-num> must be in the range of 1-8. The

special functions are as follows:

GPIO_1 (no special function)

GPIO_2 (SPI CS for LCD display)

GPIO_3 TSPICS (enables SPI temperature)

GPIO_4 DTR0 (Serial Port 1 DTR output)

GPIO_5 DSR0 (Serial Port 1 DSR input)

GPIO_6 DCD0 (Serial Port 1 DCD input)

GPIO_7 GRN (network status LED)

GPIO_8 YEL (network status LED)

NOTE: The special function bit configuration is not changed

by a configuration reset to default.

SHOW GPIO SPECIAL

Shows the current setting of the GPIO special function

configuration.

Example:

Local> show gpio special

GPIO Special Functions

-----------------------

GPIO #1 is special

GPIO #2 is normal

GPIO #3 is special

GPIO #4 is special

GPIO #5 is special

GPIO #6 is special

GPIO #7 is special

GPIO #8 is special

Local> set gpio special disable 1

Local> set gpio special enable 2

Local> show gpio special

GPIO Special Functions

-----------------------

1 2 ... 55 56 57 58 59 60 61 62 63 64 65 ... 103 104

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