NXP LCD Scan

Scans for available networks, and displays results on NXP-SCCK LCD screen.

• SDK directory: apps/nxp/lcd_scan
• Zentri App Store: ZENTRI-NXPLCDSCAN

API Features Demonstrated

• Event Handling API
  • zn_event_issue
• LCD Monochrome Library
  • lcd_draw_rect
  • lcd_set_foreground_color
  • lcd_set_background_color
  • lcd_put_str_xy

Platforms

This app works on:

• NXP-SCCK - NXP Secure Cloud Connectivity Kit

Requirements and Prerequisites

This app requires an NXP-SCCK.

Description

This app scans for available networks and displays the result on the ZentriOS terminal and the NXP-SCCK monochrome LCD.

Instructions for Use

Open a ZentriOS serial terminal to the device. See Getting Started, Opening a ZentriOS Terminal.

Load the app.

The ZentriOS terminal displays output similar to the following:

Scanning for Wi-Fi networks ...
  # Type  BSSID             RSSI  Rate Chan  Security    SSID
--------------------------------------------------------------------
  0 Infra 1C:DE:A7:65:20:48  -54  144.4   6  WPA2 AES    Zentri
  1 Infra 1C:DE:A7:65:20:49  -55  144.4   6  WPA2 AES    Zentri_Guest
  2 Infra 1C:DE:A7:65:20:4A  -55  144.4   6  WPA2 AES    Zentri_test
  ...

The NXP-SCCK LCD display shows one network at a time, e.g.

Scanning...
Zentri_Guest
RSSI: -37

No further interaction is required.

Source

See:

• main.c