Roving Networks WIFLY GSX Manual de usuario descargar pdf (Pagina 35)

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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When the module wakes up from sleep, it takes a certain amount of time (in milliseconds) to initialize the

internal hardware. During this time, any data that is sent to the WiFly module over the uart will not be

processed. You can monitor certain signals that indicate that the module is ready to accept data. These are

described below.

Method

Interface

Description

RTS

transition

RTS pin

Once the WiFly module wakes up, the RTS line goes HIGH. Once the system

is ready, the RTS is driven LOW. This can be monitored by the micro

controller

Monitor

GPIO 4

Alternative

GPIO

functions

Set the alternative functions for GPIO 4, 5 and 6 (Refer section 10.5.1). Once

the module wakes up and connects to an AP, GPIO 4 goes high. This

indicates the module is ready to receive data over the UART. Your micro

controller can monitor GPIO 4

Sensor Power

Sensor power

You can configure the module to output Vbat, or 3.3V or 1.2V on the Sensor

Power pin when it wakes up form sleep indicating it is ready

Once the module is awake, you can open a TCP connection to a remote host in a number of ways described

below. The remote host can be set using the following commands:

set ip host <IP address> OR set dns name <string> // sets up the IP address OR URL of host

set ip remote <port number> // sets up the port number on which the host is listening

save // save settings in config file

reboot // reboots the module so that the settings take effect

Method

Type

Description

Auto connect

Internal RTC

Timer

Connect out to the host at specific time intervals based upon the set sys

autoconn <secs> command

Open

Uart

In command mode, you can issue the open command

Connect on

uart data

Uart mode 2

This mode is designed for the HTML client feature. Use the set uart mode 2

command to automatically connect out to host on uart data

GPIO 5

Alternative

GPIO

functions

Set the alternative functions for GPIO 4, 5 and 6 (Refer section 10.5.1). Set

GPIO 5 HIGH to trigger TCP connection, LOW to disconnect

10.1. System Timers and Auto Connect Timers

The WiFly modules use the Real Time clock to generate timers. The RTC is active even when the WiFly

module is asleep. This makes it possible to put the module to sleep and wake up from sleep based on timer

intervals using timers.

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