adrduino中怎么利用wido實現聯網

本篇文章為大家展示了adrduino中怎么利用wido實現聯網，內容簡明扼要并且容易理解，絕對能使你眼前一亮，通過這篇文章的詳細介紹希望你能有所收獲。

#include <Adafruit_CC3000.h>
#include <ccspi.h>
#include <SPI.h>
#include <string.h>
#include "utility/debug.h"

#define WiDo_IRQ   7
#define WiDo_VBAT  5
#define WiDo_CS    10
Adafruit_CC3000 WiDo = Adafruit_CC3000(WiDo_CS, WiDo_IRQ, WiDo_VBAT,
                                         SPI_CLOCK_DIVIDER); // you can change this clock speed

#define WLAN_SSID       "Tenda_XXXXX"           // cannot be longer than 32 characters!
#define WLAN_PASS       "12345678"

// Security can be WLAN_SEC_UNSEC, WLAN_SEC_WEP, WLAN_SEC_WPA or WLAN_SEC_WPA2
#define WLAN_SECURITY   WLAN_SEC_WPA2
#define TIMEOUT_MS  2000

void setup(){
  
  Serial.begin(115200);
  /* Initialise the module */
  Serial.println(F("\nInitialising the CC3000 ..."));
  if (!WiDo.begin())
  {
    Serial.println(F("Unable to initialise the CC3000! Check your wiring?"));
    while(1);
  }
    
  /* NOTE: Secure connections are not available in 'Tiny' mode!
     By default connectToAP will retry indefinitely, however you can pass an
     optional maximum number of retries (greater than zero) as the fourth parameter.
  */
  
  Serial.println(F("Connecting Router/AP"));
  if (!WiDo.connectToAP(WLAN_SSID, WLAN_PASS, WLAN_SECURITY)) {
    Serial.println(F("Failed!"));
    while(1);
  }
  
  Serial.println(F("Router/AP Connected!"));
  
  /* Wait for DHCP to complete */
  Serial.println(F("Request DHCP"));
  while (!WiDo.checkDHCP())
  {
    delay(100); // ToDo: Insert a DHCP timeout!
  }  
}

void loop(){
  
  static Adafruit_CC3000_Client tcpClient;
  static unsigned long heartRate = millis();
  
  if(!tcpClient.connected()){
    Serial.println("Try to connect the Local Server");
    tcpClient.close();
    
    /* Set the target ip address and connection port */
    uint32_t ip = WiDo.IP2U32(192,168,0,12);
    tcpClient = WiDo.connectTCP(ip, 8080);
    
    if(!tcpClient.connected()){
      Serial.println(F("Couldn't connect to server! Make sure TCP Test Tool is running on the server."));
      while(1);
    }
  }
  else if(millis() - heartRate > 1000){
    heartRate = millis();  // Update time stamp of the microcontroller system
    
    char clientString[30];
    sprintf(clientString, "%s%d%s", "Wido heartRate: ",heartRate/1000," s\r\n");
    
    Serial.println(clientString);
    tcpClient.fastrprintln(clientString);

  }
  
  /* Read data until either the connection is closed, or the timeout is reached. */ 
  unsigned long lastRead = millis();
  while (tcpClient.connected() && (millis() - lastRead < TIMEOUT_MS)) {
    while (tcpClient.available()) {
      char c = tcpClient.read();
      Serial.print(c);
      lastRead = millis();
      
      // Disable sending message for a moment
      heartRate = millis();
    }
  }
}
 

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