Roving Networks WIFLY GSX Manual do Utilizador descarregar pdf (Página 41)

WiFly GSX/EZX

www.rovingnetworks.com WiFly-RN-UM 11/9/2011

809 University Avenue • Los Gatos, CA 95032 • Tel (408) 395-6539 • info@RovingNetworks.com

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The LEDs on the RN-134) are connected to GPIO 4, 5 and 6. To disable the LEDs, enable the alternative

functions of the LEDs (set sys iofunc 0x7).

NOTE: The Yellow, Red and Green LEDs can be turned off. The Blue LED on the RN-134 is the

power LED and cannot be turned OFF.

The Blue LED on the RN-174 is connected to GPIO7 which is output by default. This LED is not

driven by the RN-174 board as the default powerup state of GPIO7 is LOW.

The get sys command will show the setting of the GPIO mask.

<2.21> get sys

SleepTmr=……

IoFunc=0x0

IoMask=0x21f0

The table below shows the usage of the GPIO pins with their default state and functionality.

Bit

Position

Signal

Name

GPIO-

UART

RTS

GPIO-

UART

CTS

GPIO-

UART-

GPIO-

UART-

GPIO9

GPIO8

GPIO7

GPIO6

GPIO5

GPIO4

GPIO3

GPIO2

GPIO1

GPIO0

Default

State

(RN-131)

N/A

Output

Input

Output

Input

Output

N/A

Default

State

(RN-171)

Input

Output

Input

Output

Input

Output

Input

N/A

Default

Function

Goes HIGH on POWERUP, LOW once system is READY.

If HW Flow control enabled, toggles HIGH to indicate RX

buffer full

Throttles transmitter if HW flow control is enabled.

LOW enables transmitter, HIGH disable.

UART RX

UART TX

ADHOC MODE & FACTORY RESET

NOT USED

BLUE LED

RED LED

YELLOW LED

GREEN LED

NOT USED

1 2 ... 36 37 38 39 40 41 42 43 44 45 46 ... 83 84

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