cliff Hong / Mbed 2 deprecated dweetIoExample

Dweet IO example for WIZwiki-W7500

Dependencies:   HTTPClient WIZnetInterface mbed

Fork of dweetIoExample by WIZnet

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Table of Contents

  1. Prerequisite
  2. Hardware Configuration
  3. Software

Prerequisite

This example is for sending data to DweetIO.

To implement this function, you need a Platform board, network Interface board.

  • WIZwiki-W7500 from WIZnet (Platform board and Ethernet I/F board)
  • ETC: PGM5537(CDS sensor) + 10k resistor

Hardware Configuration

WIZwiki-W7500 Pin map

pin map

/media/uploads/cliff1/sim.png

Software

<<code main.cpp>>

  1. include "mbed.h"
  2. include "EthernetInterface.h"
  3. include "HTTPClient.h"

const char * IP_Addr = "IP Address"; const char * IP_Subnet = "IP Subnet"; const char * IP_Gateway = "IP Gateway"; unsigned char MAC_Addr[6] = {0x00,0x08,0xDC,0x12,0x34,0x56};

Serial pc(USBTX, USBRX); AnalogIn CDSSensor(PC_15);Analog A0 input. pgm5537 CDS sensor and 10k resistor. /**** VCC A0 GND

10k-CDS- ***/

int main() {

pc.printf("Start!\r\n\r\n");

EthernetInterface ethernet;

mbed_mac_address((char *)MAC_Addr); Use mbed mac addres pc.baud(115200);

  1. if USE_DHCP int ret = ethernet.init(MAC_Addr);
  2. else int ret = ethernet.init(MAC_Addr,IP_Addr,IP_Subnet,IP_Gateway);
  3. endif if (!ret) { pc.printf("Initialized, MAC: %s\r\n", ethernet.getMACAddress()); ret = ethernet.connect(); if (!ret) { pc.printf("IP: %s, MASK: %s, GW: %s\r\n", ethernet.getIPAddress(), ethernet.getNetworkMask(), ethernet.getGateway()); } else { pc.printf("Error ethernet.connect() - ret = %d\r\n", ret); exit(0); } } else { pc.printf("Error ethernet.init() - ret = %d\r\n", ret); exit(0); }

char str[512] = ""; char get_msg[128] = "";

/* http://dweet.io/follow/nameYouWant

pc.printf("Send post message to dweet.io\r\n"); pc.printf("msg : %s\r\n",get_msg); ret = http.get(get_msg, str, sizeof(str)); if(!ret) { pc.printf("\r\nPage fetched successfully - read %d characters\r\n", strlen(str)); pc.printf("Result: %s\r\n", str); } else { pc.printf("Error - ret = %d - HTTP return code = %d\n", ret, http.getHTTPResponseCode()); } wait(10); }

}

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