Please help me with this code it's shows some error [but I can't be bothered to tell you what].
#include <TimerOne.h>
/**
Analog Clock
Paul Cox Dec 2010
*/
#define PI 3.141592653589793e-06;
byte rows[8] = {9, 14, 8, 12, 1, 7, 2, 5};
byte cols[8] = {13, 3, 4, 10, 6, 11, 15, 16};
byte pins[16] = {5, 4, 3, 2, 14, 15, 16, 17, 13, 12, 11, 10, 9, 8, 7, 6};
byte screen[8] = {0, 0, 0, 0, 0, 0, 0, 0};
volatile byte screenRow = 0;
volatile byte screenCol = 0;
int iHour = 0;
int iMin = 0;
int iSec = 0;
void setup()
{
Timer1.initialize(100);
for (int i = 2; i <= 17; i++)
{
pinMode(i, OUTPUT);
}
Timer1.attachInterrupt(doubleBuffer);
Serial.begin(9600);
resetAnim();
}
void doubleBuffer()
{
digitalWrite(translatePin(rows[screenRow]), LOW);
digitalWrite(translatePin(cols[screenCol]), HIGH);
screenCol++;
if (screenCol >= 8)
{
screenCol = 0;
screenRow++;
if (screenRow >= 8)
{
screenRow = 0;
}
}
if((screen[screenRow] >> screenCol) & B1 == B1)
{
digitalWrite(translatePin(rows[screenRow]), HIGH);
digitalWrite(translatePin(cols[screenCol]), LOW);
}
else
{
digitalWrite(translatePin(rows[screenRow]), LOW);
digitalWrite(translatePin(cols[screenCol]), HIGH);
}
}
byte translatePin(byte original)
{
return pins[original - 1];
}
void allOFF()
{
for (int i = 0; i < 8; i++)
{
screen[i] = 0;
}
}
void on(byte row, byte column)
{
screen[column-1] |= (B1 << (row - 1));
}
void off(byte row, byte column)
{
screen[column-1] &= ~(B1 << (row - 1));
}
void resetAnim()
{
for (int i = 0; i < 8; i++)
{
screen[i] = B11111111;
delay(25);
}
for (int i = 0; i < 8; i++)
{
screen[i] = B00000000;
delay(25);
}
}
void loop()
{
drawClock();
iSec++;
if (iSec == 60)
{
iSec = 1;
iMin++;
if (iMin == 60)
{
iMin = 0;
iHour++;
if (iHour == 12)
{
iHour = 0;
}
}
}
delay(10);
}
void drawClock()
{
allOFF();
setHand(iHour,12,3);
setHand(iMin,60,4);
setHand(iSec,60,5);
}
// work out the pixel for a hand - val is out of a possible max val
// radius is distance from the centre
void setHand(int iVal, int iMax, int iRadius)
{
double dAngle = (iVal * 2 * PI) / iMax;
double dPosX = 4.5 + (iRadius * cos(dAngle));
double dPosY = 4.5 + (iRadius * sin(dAngle));
drawLine(5,5,constrain(round(dPosX),1,8),constrain(round(dPosY),1,8));
}
void drawLine(int x0, int y0, int x1, int y1)
{
int iTemp;
boolean bSteep = abs(y1 - y0) > abs(x1 - x0);
if (bSteep)
{
iTemp = x0; x0 = y0; y0 = iTemp; // swap x0,y0
iTemp = x1; x1 = y1; y1 = iTemp; // swap x1,y1
}
if (x0 > x1)
{
iTemp = x0; x0 = x1; x1 = iTemp; // swap x0,x1
iTemp = y1; y1 = y0; y0 = iTemp; // swap y0,y1
}
int deltax = x1 - x0;
int deltay = abs(y1 - y0);
int error = deltax / 2;
int ystep = ((y0 < y1) ? 1 : -1);
int y = y0;
int x = x0;
while(x <= x1)
{
if (bSteep)
{
on(y,x);
}
else
{
on(x,y);
}
error = error - deltay;
if (error < 0)
{
y = y + ystep;
error = error + deltax;
}
x++;
}
}
{}at the top of the editor. – Majenko Sep 14 '15 at 19:02#define PI 3.141592653589793e-06;- apart from the semicolon problem, π is not0.000003141592654. – Nick Gammon♦ Sep 14 '15 at 20:47"it's shows some error [but I can't be bothered to tell you what]."I'm amazed anybody has bothered to tell you what the problem was. – CharlieHanson Sep 16 '15 at 14:59