[/[code=c]
/*
* An Arduino code of Antenna Rotator Controller.
* Copyright (c) 2016 Vinod E S (VU3ESV) , Jayaprakash L V (VU2JLH)
* Version 1.0 - initial release
* Version 1.1 - Inflight Entry after holding the "*" Key for 3 seconds
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice sh be included in
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SH THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING ,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
* Arduino antenna rotator controller -update.
I have used the SevensegmentFull.c the below link. Please download it to the utft library folder to solve the compiler errors.
http://www.rinkydinkelectronics.com/r_fonts.php
Harware Information :-
1) Arduino Mega 2560R3 or its clones
2) HMC5883 Accelerometer
3) I2C Expander (NXP)
4) 2.8Inch TFT Display
5) Momentary push button switchs
6) Potentiometer
7) H-Bridge for driving the Motors
*/
#include <Wire.h> //I2C Arduino Library
#include <UTFT.h> // UTFT Library Henning Karlsen (http://www.rinkydinkelectronics.com/library.php)
#include <UTFT_Geometry.h> //UTFT Geometry Library Henning Karlsen (http://www.rinkydinkelectronics.com/library.php)
#include <Keypad.h>
#include <EEPROM.h>
const int centreX = 320;
const int centreY = 160;
const int diameter = 130;
const int x_Offset = 30;
const int y_Offset = 128;
const int z_Offset = 0;
const byte rows = 4; // Four rows
const byte cols = 3; // Three columns
const int maxDegreeDigits = 3; //maximum owed input length
const int fixedInflight = 5;
const long maxInflight = 25;
extern uint8_t BigFont[];
extern uint8_t SmFont[];
extern uint8_t SevenSegmentFull[];
#define BLACK 0x0000
#define BLUE 0x001F
#define RED 0xF800
#define GREEN 0x07E0
#define CYAN 0x07FF
#define MAGENTA 0xF81F
#define YELLOW 0xFFE0
#define WHITE 0xFFFF
#define ORANGE 0xFF00
#define address 0x0D //0011110b, I2C 7bit address of HMC5883
#define EEPROM_ModeStatus_Location 10 // The starting address of the EEPROM where the data is Stored (10.11.12.13)
#define EEPROMSetpointLocation 14
#define EEPROM_ScaleMax_Location 18
#define EEPROMInflightLocation 22
struct EEPROMValue //EEPROM Data Structure : Taken G0MGX DDS VFO Code
{
{
long Value;
struct
{
unsigned char Byte1;
unsigned char Byte2;
unsigned char Byte3;
unsigned char Byte4;
}
__attribute__((packed));
}
__attribute__((packed));
}
__attribute__((packed));
inline long ReadEEPROMValue(int16_t EEPROMStartAddress); //Reads the values EEPROM Like Calibration , set Parameters, etc
inline void SaveEEPROMValue(int16_t EEPROMStartAddress, long Value); //Save the Value to EEPROM starting the given StartAddress (4 Bytes of Data)
inline double ReadAngleAccelerometer(int x_Offset, int y_Offset);
inline void ResetInputBuffer(void);
// Define the Keymap
char keys[rows][cols] =
{
{
'1','2','3' }
,
{
'4','5','6' }
,
{
'7','8','9' }
,
{
'*','0','#' }
};
boolean UserEntryStarted = false;
boolean UserEntryFinished = true;
boolean InflightEntryStarted = false;
boolean InflightEntryFinished = true;
boolean stopFlag = true;
boolean modeValue = false; // modeValue = false (Manual Mode), modeValue = true (Auto Mode)
boolean inpution = false; // false = SetPoint Input , True = inflight input
char KeyEntries[3]; //3 characters to store 0 to 360 Degrees
char dataBuffer[60];
char formattedDataBuffer[3];
int dx;
int dy;
int last_dx;
int last_dy;
int bufPtr = 0;
int CWMotor = 10;
int CCWMotor = 11;
int Stop_ResumeSignal = 12;
int Manual_Auto_Mode = 13;
int ManualSpeedControl = 9;
long UserEntry = 0;
long DegreeInput = 0;
long Inflight = 0;
long storedModeValue = 0;
long scaleMax = 0;
double angle = 0;
//Normal Keyboard Connected To Arduino
// Connect keypad ROW0, ROW1, ROW2 and ROW3 to these Arduino pins.
byte rowPins[rows] = {
8, 7, 6, 5 };
// Connect keypad COL0, COL1 and COL2 to these Arduino pins.
byte colPins[cols] = {
4, 3, 2 };
Keypad keypad = Keypad( makeKeymap(keys), rowPins, colPins, rows, cols );
UTFT utftDisplay(ILI9486,38,39,40,41);
//UTFT utftDisplay(ITDB32S,38,39,40,41);
#define FormatData(x) strcpy_P(dataBuffer, PSTR(x))
void setup(){
Serial.begin(9600);
utftDisplay.InitLCD();
utftDisplay.InitLCD(LANDSCAPE);
utftDisplay.clrScr();
utftDisplay.setFont(BigFont);
utftDisplay.setColor(255, 0, 0);
utftDisplay.print("ANTENNA ROTATOR ", LEFT, 16);
utftDisplay.print("CONTROLLER ", 40, 40);
utftDisplay.drawLine(440, 160, 460, 160);
utftDisplay.drawLine(180, 160, 200, 160);
utftDisplay.drawLine(320, 20, 320, 40);
utftDisplay.drawLine(320, 280, 320, 300);
utftDisplay.setColor(255, 255, 0);
utftDisplay.print("BEAM DIR", LEFT, 87);
utftDisplay.setFont(SmFont);
utftDisplay.setColor(255, 100, 100);
utftDisplay.print("SET DIR", LEFT, 210);
utftDisplay.print("INFLIGHT", LEFT, 230);
utftDisplay.setFont(BigFont);
utftDisplay.setColor(255, 0, 0);
utftDisplay.print("O", 95, 115);
utftDisplay.setColor(255, 255, 255);
utftDisplay.print("HA0DX : ZOLI",LEFT, 290);
// Initialize I2C communications
Wire.begin();
//Put the HMC5883 IC into the correct operating mode
Wire.beginTransmission(address); //open communication with HMC5883
Wire.write(0x02); // mode register
Wire.write(0x00); //continuous measurement mode
Wire.endTransmission();
delay(300);
last_dx = centreX;
last_dy = centreY;
DegreeInput = ReadEEPROMValue(EEPROMSetpointLocation);
Inflight = ReadEEPROMValue(EEPROMInflightLocation);
if(Inflight<fixedInflight)
{
Inflight = fixedInflight;
}
storedModeValue = ReadEEPROMValue(EEPROM_ModeStatus_Location);
scaleMax = ReadEEPROMValue(EEPROM_ScaleMax_Location);
if (storedModeValue ==0)
{
modeValue = false; //Manual Mode
}
else if (storedModeValue == 1)
{
modeValue = true; // AutoMode
}
keypad.setDebounceTime(50);
keypad.setHoldTime(3000);
keypad.addEventListener(KeypadEventHandler); // Add an event listener for this keypad
pinMode(ManualSpeedControl, OUTPUT);
pinMode(CWMotor,OUTPUT);
digitalWrite(CWMotor,LOW);
pinMode(CCWMotor,OUTPUT);
digitalWrite(CCWMotor,LOW);
pinMode(Manual_Auto_Mode,INPUT);
pinMode(Stop_ResumeSignal,INPUT);
analogReference(DEFAULT);
}
double ReadAngleAccelerometer(int x_Offset, int y_Offset)
{
//Tell the HMC5883 where to begin reading data
Wire.beginTransmission(address);
Wire.write(0x03); // register 3, X MSB register
Wire.endTransmission();
//Read data each axis, 2 registers per axis
Wire.request(address, 6);
int x,y,z; //triple axis data
if(6<=Wire.available())
{
x = Wire.read() << 8 | Wire.read();
z = Wire.read() << 8 | Wire.read();
y = Wire.read() << 8 | Wire.read();
}
DrawRotatorPosition();
return atan2((double)y + y_Offset,(double)x + x_Offset)* (180 / 3.141592654) + 180;
}
void loop()
{
char key = keypad.getKey();
angle = ReadAngleAccelerometer(y_Offset, x_Offset);
if((digitalRead( Stop_ResumeSignal) == false)&& stopFlag == true)
{
stopFlag = false;
}
else if((digitalRead( Stop_ResumeSignal) == false)&& stopFlag == false)
{
stopFlag = true;
}
if (stopFlag == true)
{
digitalWrite(CWMotor,LOW);
digitalWrite(CCWMotor,LOW);
stopFlag = true;
utftDisplay.setColor(0, 0, 0);
utftDisplay.print(" ", RIGHT, 25);
}
else
{
if(((long)angle< DegreeInput )&& stopFlag == false)
{
digitalWrite(CWMotor,HIGH);
digitalWrite(CCWMotor,LOW);
utftDisplay.setColor(0, 255, 255);
utftDisplay.print(" CW ", RIGHT, 25);
}
if(((long)angle >DegreeInput)&& stopFlag == false)
{
digitalWrite(CWMotor,LOW);
digitalWrite(CCWMotor,HIGH);
utftDisplay.setColor(0, 255, 255);
utftDisplay.print(" CCW ", RIGHT, 25);
}
if(((long) angle == DegreeInput)||
((long) angle > DegreeInput-Inflight)&&
((long) angle < DegreeInput+ Inflight ))
{
digitalWrite(CWMotor,LOW);
digitalWrite(CCWMotor,LOW);
stopFlag = true;
utftDisplay.setColor(0, 0, 0);
utftDisplay.print(" ", RIGHT, 25);
}
}
if((digitalRead( Manual_Auto_Mode) == false) && modeValue == false )
{
modeValue = true;
SaveEEPROMValue(EEPROM_ModeStatus_Location, 1);
}
else if((digitalRead( Manual_Auto_Mode) == false) && modeValue == true )
{
modeValue = false;
SaveEEPROMValue(EEPROM_ModeStatus_Location, 0);
}
if (modeValue == false)
{
if(stopFlag == false)
{
int spdValue = analogRead(A0);
spdValue = map(spdValue, 0, 1023, 0 , 255);
analogWrite(ManualSpeedControl, spdValue);
}
else
{
analogWrite(ManualSpeedControl, 0);
}
utftDisplay.setColor(0, 255, 255);
utftDisplay.print("Manual ", RIGHT, 295);
}
else
{
if(stopFlag == false)
{
int rotationValue =abs( (int)(DegreeInput- (long) angle)); /* Irrespective of the Direction the difference in value needs to be considered for PWM
// , Stoping is based on Cw/CCW outputs*/
//Use Serial Print to check the value of rotationValue variable
int scaleRotationValue = rotationValue *4;
int scaleMaxValue = scaleMax *4;
int newSpeedValue = map(scaleRotationValue,0,scaleMaxValue, 0,255); //The Scaling needs to be fine tuned based on the Test.
analogWrite(ManualSpeedControl, newSpeedValue);
}
else
{
analogWrite(ManualSpeedControl, 0);
}
utftDisplay.setColor(0, 255, 255);
utftDisplay.print(" Auto ", RIGHT, 295);
}
dx = (diameter * cos((angle-90)*3.14/180)) + centreX; // calculate X position
dy = (diameter * sin((angle-90)*3.14/180)) + centreY; // calculate Y position
utftDisplay.setColor(BLACK);
DrawArrow(last_dx,last_dy, centreX, centreY, 8, 8); // Erase last arrow
utftDisplay.setColor(GREEN);
DrawArrow(dx,dy, centreX, centreY, 8, 8); // Draw arrow in new position
last_dx = dx;
last_dy = dy;
delay(25);
utftDisplay.setFont(SevenSegmentFull);
utftDisplay.setColor(255, 0, 127);
int a =(int)angle;
sprintf(formattedDataBuffer, FormatData("%03d"),a);
utftDisplay.print(formattedDataBuffer, LEFT, 135);
if(UserEntryFinished == true)
{
utftDisplay.setFont(BigFont);
utftDisplay.setColor(0, 255, 0);
utftDisplay.printNumI(DegreeInput,80,205);
}
if(InflightEntryFinished == true)
{
utftDisplay.setFont(BigFont);
utftDisplay.setColor(0, 255, 0);
utftDisplay.printNumI(Inflight,80,225);
}
utftDisplay.setFont(BigFont);
utftDisplay.setColor(0, 100, 255);
if((angle < 22.5) || (angle > 337.5 ))utftDisplay.print(" North", LEFT, 260);
if((angle > 22.5) && (angle < 67.5 )) utftDisplay.print("North-East", LEFT, 260);
if((angle > 67.5) && (angle < 112.5 ))utftDisplay.print(" East", LEFT, 260);
if((angle > 112.5) && (angle < 157.5 ))utftDisplay.print("South-East", LEFT, 260);
if((angle > 157.5) && (angle < 202.5 ))utftDisplay.print(" South", LEFT, 260);
if((angle > 202.5) && (angle < 247.5 ))utftDisplay.print("South-West", LEFT, 260);
if((angle > 247.5) && (angle < 292.5 ))utftDisplay.print(" West", LEFT, 260);
if((angle > 292.5) && (angle < 337.5 ))utftDisplay.print("North-West", LEFT, 260);
}
void KeypadEventHandler(KeypadEvent key)
{
if (key != NO_KEY)
{
switch (keypad.getState())
{
case IDLE:
case RELEASED:
break;
case HOLD:
switch (key)
{
case '*':
if (inpution == true)
{
utftDisplay.setFont(BigFont);
utftDisplay.setColor(255, 0, 127);
utftDisplay.print(" ",80,225);
ResetInputBuffer();
UserEntry = 0;
InflightEntryStarted = true;
InflightEntryFinished = false;
}
break;
}
break;
case PRESSED:
switch (key)
{
case '#':
if (inpution == false)
{
UserEntryFinished = true;
UserEntryStarted = false;
if((UserEntry < 360) )
{
//If the User SetPoint is less than Inflight then we can't accept the set point
if(UserEntry> Inflight)
{
DegreeInput = UserEntry;
SaveEEPROMValue(EEPROMSetpointLocation, DegreeInput);
scaleMax = abs( (int)(DegreeInput- (long) angle));
SaveEEPROMValue (EEPROM_ScaleMax_Location, scaleMax);
utftDisplay.setFont(BigFont);
utftDisplay.setColor(BLACK);
utftDisplay.print(" ",80,205);
stopFlag = false;
}
else
{
//Show Error in UI
}
}
else
{
utftDisplay.print(" ",80,205);
DegreeInput = ReadEEPROMValue(EEPROMSetpointLocation);
}
inpution = true;
}
else
{
InflightEntryFinished = true;
InflightEntryStarted = false;
if((UserEntry < maxInflight) )
{
Inflight = UserEntry;
SaveEEPROMValue(EEPROMInflightLocation, Inflight);
utftDisplay.setFont(BigFont);
utftDisplay.setColor(BLACK);
utftDisplay.print(" ",80,225);
stopFlag = false;
}
else
{
utftDisplay.print(" ",80,225);
Inflight = ReadEEPROMValue(EEPROMInflightLocation);
}
inpution = false;
}
break;
case '*':
if (inpution ==false)
{
utftDisplay.setFont(BigFont);
utftDisplay.setColor(255, 0, 127);
utftDisplay.print(" ",80,205);
ResetInputBuffer();
UserEntry = 0;
UserEntryStarted = true;
UserEntryFinished = false;
}
break;
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
if (bufPtr < maxDegreeDigits)
{
KeyEntries[bufPtr] = key;
bufPtr++;
UserEntry = atol (KeyEntries);
utftDisplay.setFont(BigFont);
utftDisplay.setColor(255, 0, 127);
if (UserEntryStarted == true)
{
utftDisplay.printNumI(UserEntry,80,205);
}
if (InflightEntryStarted == true)
{
utftDisplay.printNumI(UserEntry,80,225);
}
}
break;
}
break;
}
}
}
void DisplayUserEntry(int x, int y, String userData)
{
utftDisplay.setColor(RED);
utftDisplay.setFont(BigFont);
utftDisplay.print(userData,x,y);
}
void DrawArrow(int x2, int y2, int x1, int y1, int arrowLength, int arrowWidth)
{
float distance;
int dx, dy, x2Outer,y2Outer,x3,y3,x4,y4,k;
distance = sqrt(pow((x1 - x2), 2) + pow((y1 - y2), 2));
dx = x2 + (x1 - x2) * arrowLength / distance;
dy = y2 + (y1 - y2) * arrowLength / distance;
k = arrowWidth / arrowLength;
x2Outer = x2 - dx;
y2Outer = dy - y2;
x3 = y2Outer * k + dx;
y3 = x2Outer * k + dy;
x4 = dx - y2Outer * k;
y4 = dy - x2Outer * k;
utftDisplay.drawLine(x1, y1, x2, y2);
utftDisplay.drawLine(x1, y1, dx, dy);
utftDisplay.drawLine(x3, y3, x4, y4);
utftDisplay.drawLine(x3, y3, x2, y2);
utftDisplay.drawLine(x2, y2, x4, y4);
}
void DrawRotatorPosition()
{
int dxOuter, dyOuter, dxi, dyi;
utftDisplay.setColor(255, 128, 0);
utftDisplay.drawCircle(centreX,centreY,diameter); // Draw compass circle
for (float i = 0; i <360; i = i + 22.5) {
utftDisplay.setColor(255, 128, 0);
dxOuter = diameter * cos((i-90)*3.14/180);
dyOuter = diameter * sin((i-90)*3.14/180);
dxi = dxOuter * 0.98;
dyi = dyOuter * 0.98;
utftDisplay.drawLine(dxi+centreX,dyi+centreY,dxOuter+centreX,dyOuter+centreY);
}
DisplayUserEntry((centreX-8),(centreY-157),"N");
DisplayUserEntry((centreX-8),(centreY+145),"S");
DisplayUserEntry((centreX+141),(centreY-7),"E");
DisplayUserEntry((centreX-160),(centreY-7),"W");
}
void ResetInputBuffer()
{
int length = sizeof(KeyEntries);
for (int i = 0; i < length; i++)
{
KeyEntries[i] = '\0';
}
bufPtr = 0;
}
//Reads and returns the stored value specified in the EEPROM Start Address
long ReadEEPROMValue(int16_t EEPROMStartAddress)
{
volatile EEPROMValue eepromVal;
eepromVal.Byte1 = EEPROM.read(EEPROMStartAddress);
eepromVal.Byte2 = EEPROM.read(EEPROMStartAddress+1);
eepromVal.Byte3 = EEPROM.read(EEPROMStartAddress+2);
eepromVal.Byte4 = EEPROM.read(EEPROMStartAddress+3);
return eepromVal.Value;
}
/*Stores the specified value in the EEPROM Start Address
EEPROM Write will only happens when the stored value and new value are different.
This will save the number of Writes to the EEPROM.*/
void SaveEEPROMValue(int16_t EEPROMStartAddress, long Value)
{
volatile EEPROMValue eepromVal;
eepromVal.Value = ReadEEPROMValue(EEPROMStartAddress);
if(eepromVal.Value != Value)
{
eepromVal.Value = Value;
EEPROM.write(EEPROMStartAddress,eepromVal.Byte1);
EEPROM.write(EEPROMStartAddress+1,eepromVal.Byte2);
EEPROM.write(EEPROMStartAddress+2,eepromVal.Byte3);
EEPROM.write(EEPROMStartAddress+3,eepromVal.Byte4);
}
}
Nem mindenki használ sprint layout-ot. 
