Renesas / Mbed OS mbed-os_Watson-IoT_ZXing_sample

Sample program showing how to connect GR-PEACH into Watson IoT through mbed Connector and Watson's Connector Bridge

Dependencies:   AsciiFont DisplayApp GR-PEACH_video LCD_shield_config LWIPBP3595Interface_STA_for_mbed-os USBDevice

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Table of Contents

  1. Overview
  2. Required hardware
  3. Application setup
  4. Building this sample program
  5. Application resources

Overview

This sample program shows how to connect GR-PEACH into Watson IoT through mbed Connector and Watson's Connector Bridge. Note that this program is derived from https://github.com/ARMmbed/mbed-ethernet-sample-techcon2016.

In this program, at first, the barcode data input from camera is decoded on GR-PEACH using ZXing which is an open-source, multi-format 1D/2D barcode image processing library. Then, the decoded string is sent to Watson IoT via mbed Device Connector and Watson's Connector Bridge. At last, the delivered string is confirmed via NodeRED flow.

Required hardware

Application setup

  1. Select the connection type. For details, please refer to the following wiki:
    https://developer.mbed.org/teams/Renesas/code/mbed-os_Watson-IoT_ZXing_sample/wiki/Connection-type.
  2. Set the client credentials. For details, please refer to the following wiki:
    https://developer.mbed.org/teams/Renesas/code/mbed-os_Watson-IoT_ZXing_sample/wiki/Client-credentials.
  3. Change Ethernet settings. For details, please refer to the following wiki:
    https://developer.mbed.org/teams/Renesas/code/mbed-os_Watson-IoT_ZXing_sample/wiki/Ethernet-settings.
  4. Change Wifi settings. For details, please refer to the following wiki:
    https://developer.mbed.org/teams/Renesas/code/mbed-os_Watson-IoT_ZXing_sample/wiki/Wifi-settings.

Building this sample program

  1. Import this sample program onto mbed Compiler.
  2. Configure this sample program in accordance with Application setup.
  3. Compile the example on mbed Compiler and download the resultant binary file.
  4. Plug the Ethernet cable into GR-PEACH if you are using Ethernet mode.
  5. Plug the micro-USB cable into the OpenSDA port with lies on the next to the RESET button.
  6. Copy the binary previously downloaded to your PC to GR-PEACH to flash this sample program. When the copy is successfully completed, the board is ready to work.
  7. Press the RESET button on the board to run this sample program.
  8. For verification, please refer to the following wiki:
    https://developer.mbed.org/teams/Renesas/code/mbed-os_Watson-IoT_ZXing_sample/wiki/Monitoring-the-application.

Application resources

This sample program exposes two resources listed below:

  1. /311/0/5850 : Trigger to toggle LED on GR-PEACH (PUT). When "1" is sent to this resource by PUT method, LED should be turned off. Otherwise, LED should be turned on.
  2. /888/0/7700: Decode result of barcode data input from camera (GET)
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