Programming outside ssource WiFiShield_library to Arduino programming

Using Arduino Programming Questions
1

Trying to program to arduino with a new program that came with the WiFi Shield. Downloaded the program but can't get it to work on the arduino source code screen can anyone talk me through a procedure to make it work thanks Michael

2

Downloaded the program but can't get it to work on the arduino source code screen

What does this mean? What code?

3

Sorry was trying to download WiFiShield_library to arduino but keep losing the library and can't get it to download to arduino sketch if that makes any more sense please help Michael

4

if that makes any more sense

Sorry, no it doesn't.

was trying to download WiFiShield_library to arduino

I don't understand. You use the library in code that gets compiled, linked, and uploaded to the Arduino. The library itself doesn't get downloaded to the Arduino.

but keep losing the library

Libraries don't go away.

and can't get it to download to arduino sketch

What sketch?

5

wifi shield library in computer under my blink sketches but when i try to use the library compiler doesnt recognize the library is there any way i can get it to recognize the wifi shield library also trying to use the arduino and wifi shield to communicate to pc information from a wind turbine that it is connected to if any one has any suggestion i would appreciate it michael

6

Getting compiling errors even when i use the examples from the libraries. can any one give me some suggestions to solve this problem. MIchael

7

Getting compiling errors even when i use the examples from the libraries. can any one give me some suggestions to solve this problem.

Yes. Fix the code.

Since you haven't posted the code or the error messages, that's the best we can do.

8

Sorry about that forgot to send code. Decided to use Ethernet shield, got it to upload to Arduino with Ethernet shield. Not sure if it is sending info back to computer. When I upload the code it shows as being right (No errors) but when I disconnect the USB and connect the Ethernet cable i don't get any info on PC screen or serial monitor. Also trying to get wireless router involved, any ideas how.
here is the code, can you look it over and see if you can figure out why it isn't sending the info back to PC? Thanks Michael

/*

  • The purpose of this program is too monitor the voltage of a battery and depending on the voltage generator.
  • The controller needs to handle a wide voltage range and a wide current range if connected to a turbine
  • of varying speed. The speed can vary greatly and therefore the out will have to be carefully monitored.
  • The controller will have the following states:
    • Battery voltage below 14.0v : charge the battery
    • Battery voltage 14.0v or above : dump the turbine generator power to a dummy load

*/
#include <SPI.h>
#include <Ethernet.h>
byte mac[] = { 0x90, 0xA2, 0XDA, 0X0D, 0X8B, 0X11 }; //MAC ADDRESS FOR ARDUINO//
byte ip[] = { 192, 168, 1, 1 }; //ip address//

// Voltage divider constants (ohms)
const int VD_R3 = 10000;
const int VD_R4 = 1000;

// Manual buttons
const int CHARGE_BUTTON = 2; // DIN
const int DUMP_BUTTON = 3; // DIN

// LED displays
const int STATUS_LED = 13; // DOUT

// Battery charging
const int BATTERY_MONITOR_PIN = 0; // AIN
const int INSTRUCTION_PIN = 6; // DOUT
const float BAT_VMIN = 11.9;
const float BAT_VMAX = 14.0;

// Turbine RPM monitoring
const int RPM_MONITOR_PIN = 1; // AIN

// Other
const int DELAY_TIME = 32; // 32 default

// Program variables
bool manual = false;
bool charging = false;
EthernetClient client;
void setup()
{
pinMode(STATUS_LED, OUTPUT);
pinMode(CHARGE_BUTTON, INPUT);
pinMode(DUMP_BUTTON, INPUT);
pinMode(INSTRUCTION_PIN, OUTPUT);

digitalWrite(STATUS_LED, HIGH);

Serial.begin(115200);
if (Ethernet.begin(mac) == 0){
Serial.println("Failed to configure Ethernet using DHCP");
for(;:wink:
;
}
Serial.println(Ethernet.localIP());
}

void loop()
{
int vin = analogRead(BATTERY_MONITOR_PIN);
float voltage = calculateBatteryVoltage(vin);

int rin = analogRead(RPM_MONITOR_PIN);
int rpm = calculateRPM(rin);

if (chargeButtonDown())
{
manual = true;
charge();
}
else if (dumpButtonDown())
{
manual = true;
dump();
}

if (!manual)
{
if (voltage < BAT_VMAX)
charge();
else
dump();
}

manual = false;

delay(DELAY_TIME);
}

float calculateBatteryVoltage(int vin)
{
float resconst;

if (VD_R3 == 0 || VD_R4 == 0)
resconst = 1.0;
else
resconst = ((VD_R3 + VD_R4) / VD_R4);

return (5.0 / 1023.0) * resconst * vin;
}

int calculateRPM(int rin)
{
// this function will determine the rpm from an analog value
// for now just return value passed
return rin;
}

inline bool chargeButtonDown() { return (digitalRead(CHARGE_BUTTON) == HIGH) ? true : false; }

inline bool dumpButtonDown() { return (digitalRead(DUMP_BUTTON) == HIGH) ? true : false; }

inline void charge() { digitalWrite(INSTRUCTION_PIN, HIGH); charging = true; }

inline void dump() { digitalWrite(INSTRUCTION_PIN, LOW); charging = false; }

inline bool getState() { return (charging) ? true : false; }

void SerialWriteData(float voltage, int rpm)
{
Serial.print("Voltage: ");
Serial.print(voltage);
Serial.print("V");
Serial.print("RPM: ");
Serial.print(rpm);
// TO DO: show whether charging or not
}

9

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