int main()
{
mJTAGPortEnable(0);
mPORTASetPinsDigitalOut(BIT_0|BIT_1|BIT_2|BIT_3|BIT_4|BIT_5|BIT_6|BIT_7);
mPORTAClearBits(BIT_0|BIT_1|BIT_2|BIT_3|BIT_4|BIT_5|BIT_6|BIT_7);
INTCONSET=0x1000;
INTEnableSystemMultiVectoredInt();
IEC0 =0;
IFS0 = 0;
INTCONCLR = 0x00000018;
IEC0SET = 0x00088000;
IPC3 = 0x1F000000;
IPC4 = 0X17000000;
lcdconfig();
while(1)
{
if(IFS0 & 0x8000==1)
{
lcddata('3');
PORTA=0X0F;
}
if(IFS0 & 0x80000==1)
{
lcddata('4');
PORTA=0XFF;
}
}
}
void dis_data(char data_value)
{
char data_value1;
data_value1=data_value&0xF0;
lcddata(data_value1);
data_value1=((data_value<<4)&0xF0);
lcddata(data_value1);
}
void manualmode()
{
menudisplay();
int j=0;
lcdcmd(0xC0);
while(str6[j]!='\0')
{
lcddata(str6[j]);
j++;
}
while(PORTDbits.RD6==1&&PORTDbits.RD13==1);
if(PORTDbits.RD13==0)
{
PORTA=0xff;
delay(1000000);
PORTA=0x00;
}
else if(PORTDbits.RD6==0)
{
lcdcmd(0x01);
}
delay(1000000000);
}
void automode()
{
menudisplay();
int j=0;
lcdcmd(0xC0);
while(str5[j]!='\0')
{
lcddata(str5[j]);
j++;
}
while(PORTDbits.RD13==1&&PORTDbits.RD7==1);
if(PORTDbits.RD13==0)
{
PORTA=0xff;
delay(1000000);
}
else if(PORTDbits.RD7==0)
{
manualmode();
}
/* while(PORTDbits.RD6==1);
if(PORTDbits.RD6==0)
{
i++;
lcdcmd(0x01);
}*/
}
void temps() //Function to display temp change
{
int j;
j=0;
menudisplay();
lcdcmd(0xC0);
while(str3[j]!='\0')
{
lcddata(str3[j]);
j++;
}
delay(10000000);
while(PORTDbits.RD13==1&&PORTDbits.RD7==1&&PORTDbits.RD6==1); //Wait till any key press
if(PORTDbits.RD7==0)
{
i++;
lcdcmd(0x01);
}
else if(PORTDbits.RD13==0)
{
settemp();
delay(100000000);
}
else if(PORTDbits.RD6==0)
{
i--;
lcdcmd(0x01);
}
}
void menudisplay()
{
int j;
j=0;
lcdini();
while(str4[j]!='\0')
{
lcddata(str4[j]);
j++;
}
}
void main(void)
{
unsigned int HI, LO, TOTAL;
unsigned char l, OV, OFR[16] = "Out Of Range...";
OV = 0;
T0 = 1;
TMOD = 0x05;
TL0 = 0;
TL1 = 0;
lcdinit();
while(1)
{
do
{
start: TR0 = 1;
MSDelay(145);
LO = TL0;
HI = TH0;
HI = HI << 8;
TOTAL = HI | LO;
Unit[0] = 'H';
Unit[1] = 'z';
Unit[2] = ' ';
Unit[3] = ' ';
if(OV == 1)
{
TOTAL = TOTAL / 1000;
TOTAL = TOTAL + 65;
if(TOTAL > 125)
{
for(l=0; l<16; l++)
lcddata(OFR[l]);
for(l=0; l<16; l++)
lcdcmd(0x10);
goto start;
}
OV = 0;
Unit[0] = 'K';
Unit[1] = 'H';
Unit[2] = 'z';
Unit[3] = ' ';
}
inttoLCD(TOTAL);
TL0 = 0;
TH0 = 0;
}
while(TF0 == 0);
OV = 1;
TR0 = 0;
TF0 = 0;
}
}
void settemp()
{
int j,b,x,v;
j=0;
lcdcmd(0x01);
lcdcmd(0x80);
while(str7[j]!='\0')
{
lcddata(str7[j]);
j++;
}
x = keypad();
lcdcmd(0xC0);
lcddata(x+48);
delay(1000000000);
v = keypad();
lcdcmd(0xC1);
lcddata(v+48);
PORTA=0xff;
}
unsigned int GetInput()
{
unsigned char L, cnt, Key[5];
unsigned int Entry = 0;
cnt = 0;
do
{
Re: Key[cnt] = KeypadRead();
L = Key[cnt];
if(L == '+' | L == '-')
goto Re;
if(L == '=')
continue;
lcddata(Key[cnt]);
Key[cnt] = Key[cnt] - 48;
cnt++;
}
while(L != '=' & cnt != 5);
switch(cnt)
{
case(1):
{
Entry = Key[0];
break;
}
case(2):
{
Entry = (Key[0] * 10) + Key[1];
break;
}
case(3):
{
Entry = (Key[0] * 100) + (Key[1] * 10) + Key[2];
break;
}
case(4):
{
Entry = (Key[0] * 1000) + (Key[1] * 100) + (Key[2] * 10) + Key[3];
break;
}
case(5):
{
Entry = (Key[0] * 10000) + (Key[1] * 1000) + (Key[2] * 100) + (Key[3] * 10) + Key[4];
break;
}
}
return Entry;
}
void batteryv() //Function to display battery voltage
{
int j;
j=0;
menudisplay();
lcdcmd(0xC0);
while(str2[j]!='\0')
{
lcddata(str2[j]);
j++;
}
delay(10000000);
while(PORTDbits.RD13==1&&PORTDbits.RD7==1&&PORTDbits.RD6==1); //Wait till any key press
if(PORTDbits.RD7==0)
{
i++;
lcdcmd(0x01);
}
else if(PORTDbits.RD13==0)
{
PORTA=0xff;
delay(1000000);
PORTA=0x00;
while(PORTDbits.RD6==1);
if(PORTDbits.RD6==0)
{
lcdcmd(0x01);
}
}
else if(PORTDbits.RD6==0)
{
i--;
lcdcmd(0x01);
}
}
void mode() //Function for mode selection
{
int j;
j=0;
menudisplay();
lcdcmd(0xC0);
while(str1[j]!='\0')
{
lcddata(str1[j]);
j++;
}
delay(10000000);
while(PORTDbits.RD13==1&&PORTDbits.RD7==1); //Wait till any key press
if(PORTDbits.RD7==0)
{
i++;
lcdcmd(0x01);
}
else if(PORTDbits.RD13==0)
{
mode2();
}
}
void main()
{
float Frequency, Percent, LowTime, HighTime, TotalDelayMilli, TotalDelayMicro;
unsigned int ConvHH, ConvLH, ValueH, ConvHL, ConvLL, ValueL;
unsigned char x, HighH, LowH, HighL, LowL;
unsigned char Freq[17] = "Freq: Hz", DutyC[17] = "Duty Cycle: %";
unsigned char colloc;
Status = 0;
KEYPAD = 0xF0; // make higher bits of keypad port that is column bits input and low row bits outputs
Clock = 0;
lcdcmd(0x38); // 2 lines and 5X7 matrix
lcdcmd(0x0C); // Display ON, Cursor Blinking = 0x0E But this command is Display ON, Cursor OFF
lcdcmd(0x01); // Clear Display Screen
lcdcmd(0x80); // Force Cursor to the beginning of the First Line
lcdcmd(0x06);
main:lcdcmd(0x01);
for(x = 0; x<16; x++)
lcddata(Freq[x]);
lcdcmd(0xC0);
for(x = 0; x<16; x++)
lcddata(DutyC[x]);
lcdcmd(0x80);
for(x=0; x<6; x++)
lcdcmd(0x16);
lcdcmd(0x0E);
Frequency = GetInput();
if(Frequency > 20000)
goto main;
lcdcmd(0x0C);
lcdcmd(0xC0);
for(x = 0; x<12; x++)
lcdcmd(0x16);
lcdcmd(0x0E);
Percent = GetInput();
lcdcmd(0x0C);
TotalDelayMilli = (1 / Frequency) * 1000;
TotalDelayMicro = (TotalDelayMilli * 1000) - 45; //With correction of 45
HighTime = (TotalDelayMicro / 100) * Percent;
LowTime = TotalDelayMicro - HighTime;
ValueH = 65536 - HighTime;
ConvLH = ValueH & 0x00FF; // Zeroing the Higher 8 bits to have Lower 8 bits
LowH = ConvLH; // Storing in a 8 bit character
ConvHH = ValueH & 0xFF00; // Masking the Lower 8 bits to have Higher 8 bits
ConvHH = ConvHH >> 8; // Shifting right 8 bits to hit to the Lower Part to save it to a 8-bit character
HighH = ConvHH; // Storing in a 8 bit character
ValueL = 65536 - LowTime;
ConvLL = ValueL & 0x00FF; // Zeroing the Higher 8 bits to have Lower 8 bits
LowL = ConvLL; // Storing in a 8 bit character
ConvHL = ValueL & 0xFF00; // Masking the Lower 8 bits to have Higher 8 bits
ConvHL = ConvHL >> 8; // Shifting right 8 bits to hit to the Lower Part to save it to a 8-bit character
HighL = ConvHL;
Status = 1;
while(1) //2 Machine Cycle
{
Clock = 1; //1 MC
TimerH(HighH, LowH);
Clock = 0;
TimerL(HighL, LowL);
colloc = KEYPAD; //2 MC
colloc &= 0xF0; //2 MC
if(colloc == 0xE0) //4 MC
{
MSDelay(5);
colloc = KEYPAD; //read the columns
colloc &= 0xF0; //mask unused bits
if(colloc == 0xE0)
{
Status = 0;
goto main;
}
}
}
} //main braces
void inttoLCD(unsigned int value)
{
unsigned int x, y, z, d[5];
char l;
x = value / 10; // => 6553
d[0] = (value % 10) + 48; // => 6 (LSD) *
d[1] = (x % 10) + 48; // => 3 *
y = x / 10; // => 655
d[2] = (y % 10) + 48; // => 5 *
z = y / 10; // => 65
d[3] = (z % 10) + 48; // => 5 *
d[4] = (z / 10) + 48; // => 6 (MSD) *
if(d[4] == 48 & d[3] == 48 & d[2] == 48 & d[1] == 48)
{
lcddata(d[0]);
lcddata(' ');
for(l=0; l<4; l++)
lcddata(Unit[l]);
for(l=0 ; l<11 ; l++)
lcddata(' ');
for(l=0 ; l<17 ; l++)
lcdcmd(0x10);
}
if(d[4] == 48 & d[3] == 48 & d[2] == 48 & d[1] != 48)
{
for(l=1; l>=0; l--)
lcddata(d[l]);
lcddata(' ');
for(l=0; l<4; l++)
lcddata(Unit[l]);
for(l=0 ; l<10 ; l++)
lcddata(' ');
for(l=0 ; l<17 ; l++)
lcdcmd(0x10);
}
if(d[4] == 48 & d[3] == 48 & d[2] != 48)
{
for(l=2; l>=0; l--)
lcddata(d[l]);
lcddata(' ');
for(l=0; l<4; l++)
lcddata(Unit[l]);
for(l=0 ; l<9 ; l++)
lcddata(' ');
for(l=0 ; l<17 ; l++)
lcdcmd(0x10);
}
if(d[4] == 48 & d[3] != 48)
{
for(l=3; l>=0; l--)
lcddata(d[l]);
lcddata(' ');
for(l=0; l<4; l++)
lcddata(Unit[l]);
for(l=0 ; l<8 ; l++)
lcddata(' ');
for(l=0 ; l<17 ; l++)
lcdcmd(0x10);
}
if(d[4] != 48)
{
for(l=4; l>=0; l--)
lcddata(d[l]);
lcddata(' ');
for(l=0; l<4; l++)
lcddata(Unit[l]);
for(l=0 ; l<7 ; l++)
lcddata(' ');
for(l=0 ; l<17 ; l++)
lcdcmd(0x10);
}
}
