Velleman Whadda WPI304 Manual de usuario

USER MANUAL

SD card logging module for Arduino®

WPI304

whadda.com

Introduction

To all residents of the European Union

Important environmental information about this product

This symbol on the device or the package indicates that disposal of the device after its

lifecycle could harm the environment. Do not dispose of the unit (or batteries) as unsorted

municipal waste; it should be taken to a specialized company for recycling. This device

should be returned to your distributor or to a local recycling service. Respect the local

environmental rules.

If in doubt, contact your local waste disposal authorities.

Thank you for choosing Whadda! Please read the manual thoroughly before bringing this

device into service. If the device was damaged in transit, do not install or use it and contact

your dealer.

Safety Instructions

Read and understand this manual and all safety signs before using this appliance.

For indoor use only.

•This device can be used by children aged from 8 years and above, and persons with

reduced physical, sensory or mental capabilities or lack of experience and knowledge if

they have been given supervision or instruction concerning the use of the device in a

safe way and understand the hazards involved. Children shall not play with the device.

Cleaning and user maintenance shall not be made by children without supervision.

General Guidelines

•Refer to the Velleman®Service and Quality Warranty on the last pages of this manual.

•All modifications of the device are forbidden for safety reasons. Damage caused by

user modifications to the device is not covered by the warranty.

•Only use the device for its intended purpose. Using the device in an unauthorized way

will void the warranty.

•Damage caused by disregard of certain guidelines in this manual is not covered by the

warranty and the dealer will not accept responsibility for any ensuing defects or

problems.

•Nor Velleman Group nv nor its dealers can be held responsible for any damage

(extraordinary, incidental or indirect) –of any nature (financial, physical…) arising from

the possession, use or failure of this product.

•Keep this manual for future reference.

What is Arduino®

Arduino®is an open-source prototyping platform based on easy-to-use hardware and

software. Arduino®boards are able to read inputs –light-on sensor, a finger on a button or a

Twitter message –and turn it into an output –activating of a motor, turning on an LED,

publishing something online. You can tell your board what to do by sending a set of

instructions to the microcontroller on the board. To do so, you use the Arduino

programming language (based on Wiring) and the Arduino®software IDE (based on

Processing). Additional shields/modules/components are required for reading a twitter

message or publishing online. Surf to www.arduino.cc for more information.

Product Overview

This shield will prove useful for data logging with your Arduino®. Can be easily assembled

and customized for any data logging project.

The SD card interface works with FAT16 and FAT32 formatted cards. Real-time clock (RTC)

keeps the time going even when the Arduino® is unplugged. Prototyping area for soldering

connectors, circuitry or sensors.

Specifications

•voltage: 3.3-5 V

•protocol: SPI

•dimensions: 52 x 30 x 12 mm

•weight: 8 g

•required library: SD.h

Connection

Connection to Arduino® Uno

Arduino®

WPI304

MOSI

MISO

SCK

GND

+5V

5 V

Connection to Arduino® Mega

Arduino®

WPI304

MISO

MOSI

SCK

GND

+5V

5 V

Example

SD card test

This example shows how use the utility libraries on which the'

SD library is based in order to get info about your SD card.

Very useful for testing a card when you're not sure whether its working or not.

The circuit:

SD card attached to SPI bus as follows:

** MOSI - pin 11 on Arduino Uno/Duemilanove/Diecimila

** MISO - pin 12 on Arduino Uno/Duemilanove/Diecimila

** CLK - pin 13 on Arduino Uno/Duemilanove/Diecimila

** CS - depends on your SD card shield or module.

created 28 Mar 2011

by Limor Fried

modified 9 Apr 2012

by Tom Igoe

modified 4 Sept 2020

by Midas Gossye (Velleman)

// include the SD library:

#include <SPI.h>

#include <SD.h>

// set up variables using the SD utility library functions:

Sd2Card card;

SdVolume volume;

SdFile root;

// change this to match your SD shield or module;

// Arduino Ethernet shield: pin 4

// Velleman VMA304/WPSH304 & Adafruit SD shields and modules: pin 10

// Sparkfun SD shield: pin 8

// MKRZero SD: SDCARD_SS_PIN

const int chipSelect = 10;

void setup() {

// Open serial communications and wait for port to open:

Serial.begin(9600);

while (!Serial) {

; // wait for serial port to connect. Needed for native USB port only

}

Serial.print("\nInitializing SD card...");

// we'll use the initialization code from the utility libraries

// since we're just testing if the card is working!

if (!card.init(SPI_HALF_SPEED, chipSelect)) {

Serial.println("initialization failed. Things to check:");

Serial.println("* is a card inserted?");

Serial.println("* is your wiring correct?");

Serial.println("* did you change the chipSelect pin to match your shield or module?");

while (1);

} else {

Serial.println("Wiring is correct and a card is present.");

}

// print the type of card

Serial.println();

Serial.print("Card type: ");

switch (card.type()) {

case SD_CARD_TYPE_SD1:

Serial.println("SD1");

break;

case SD_CARD_TYPE_SD2:

Serial.println("SD2");

break;

case SD_CARD_TYPE_SDHC:

Serial.println("SDHC");

break;

default:

Serial.println("Unknown");

}

// Now we will try to open the 'volume'/'partition' - it should be FAT16 or FAT32

if (!volume.init(card)) {

Serial.println("Could not find FAT16/FAT32 partition.\nMake sure you've formatted the

card");

while (1);

}

Serial.print("Clusters: ");

Serial.println(volume.clusterCount());

Serial.print("Blocks x Cluster: ");

Serial.println(volume.blocksPerCluster());

Serial.print("Total Blocks: ");

Serial.println(volume.blocksPerCluster() * volume.clusterCount());

Serial.println();

// print the type and size of the first FAT-type volume

uint32_t volumesize;

Serial.print("Volume type is: FAT");

Serial.println(volume.fatType(), DEC);

volumesize = volume.blocksPerCluster(); // clusters are collections of blocks

volumesize *= volume.clusterCount(); // we'll have a lot of clusters

volumesize /= 2; // SD card blocks are always 512 bytes (2 blocks are 1KB)

Serial.print("Volume size (Kb): ");

Serial.println(volumesize);

Serial.print("Volume size (Mb): ");

volumesize /= 1024;

Serial.println(volumesize);

Serial.print("Volume size (Gb): ");

Serial.println((float)volumesize / 1024.0);

Serial.println("\nFiles found on the card (name, date and size in bytes): ");

root.openRoot(volume);

// list all files in the card with date and size

root.ls(LS_R | LS_DATE | LS_SIZE);

}

void loop(void) {

}

whadda.com

Modifications and typographical errors reserved - © Velleman Group nv. WPI304_v01

Velleman Group nv, Legen Heirweg 33 - 9890 Gavere.

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