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74hc595 4 Digit 38mm C Driver !

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yakuzaistanbul

Joined: 04 Jan 2010
Posts: 2

74hc595 4 Digit 38mm C Driver !
Posted: Mon Jan 04, 2010 2:23 pm

74hc595 4 Digit 38mm C Driver ! 74hc595 serial connect C code please Digital clock.

PCM programmer

Joined: 06 Sep 2003
Posts: 21708

Posted: Mon Jan 04, 2010 2:46 pm

Quote:

74hc595 serial connect C code please

Do you think we are your code slaves, to produce code on demand ?
We are all volunteers, working in industry or elsewhere. We like
to answer questions, but not to be code slaves.

yakuzaistanbul

Joined: 04 Jan 2010
Posts: 2

Posted: Mon Jan 04, 2010 3:20 pm

sorry

I want students to develop amateur lcd temperature display with clock and I did. I wanted to get help with segment I wanted to. lcd with the code

Code:

#include "16f628a.h" //Mikrodenetleyici seçilir
#fuses INTRC_IO, NOWDT, PROTECT, PUT, NOMCLR //Sigortalar seçilir

#use delay (clock=4000000) //Osilatör hızı belirlenir

#use rs232(baud =4800, PARITY=N, xmit=PIN_A2, rcv=PIN_A1, BITS =8, ERRORS, STOP=2, STREAM = PORT1)
#use I2C(master, slow, RESTART_WDT, sda=PIN_A7, scl=PIN_A6)

#define LCD_EN PIN_B0
#define LCD_RS PIN_B1
#define LCD_RW PIN_B2

#define LCD_D4 PIN_B4
#define LCD_D5 PIN_B5
#define LCD_D6 PIN_B6
#define LCD_D7 PIN_B7

#define LINE_1 0x00
#define LINE_2 0x40
#define LCD_CLR_DISP 0X01 // Clear screen, home cursor, unshift display
#define LCD_RETURN_HOME 0X02 // Home cursor, unshift display
#define LCD_ENTRY_DEC 0X04 // Display shift off, dec cursor move dir
#define LCD_ENTRY_DEC_SHIFT 0x05 // Display shift on, dec cursor move dir
#define LCD_ENTRY_INC 0x06 // Display shift off, inc cursor move dir
#define LCD_ENTRY_INC_SHIFT 0x07 // Display shift on, inc cursor move dir
#define LCD_DISP_OFF 0x08 // Display off
#define LCD_DISP_ON 0x0C // Display on, cursor off
#define LCD_DISP_ON_BLINK 0x0D // Display on, cursor off, blink char
#define LCD_DISP_ON_CURSOR 0x0E // Display on, cursor on
#define LCD_DISP_ON_CURSOR_BLINK 0x0F // Display on, cursor on, blink char
#define LCD_MOVE_CURSOR_LEFT 0x10 // Move cursor left (decrement)
#define LCD_MOVE_CURSOR_RIGHT 0x14 // Move cursor right (increment)
#define LCD_MOVE_DISP_LEFT 0x18 // Shift display left
#define LCD_MOVE_DISP_RIGHT 0x1C // Shift display right
#define LCD_FUNCTION_4BIT_1LINE 0x20 // 4-bit interface, single line, 5x7 dots
#define LCD_FUNCTION_4BIT_2LINES 0x28 // 4-bit interface, dual line, 5x7 dots
#define LCD_FUNCTION_8BIT_1LINE 0x30 // 8-bit interface, single line, 5x7 dots
#define LCD_FUNCTION_8BIT_2LINES 0x38 // 8-bit interface, dual line, 5x7 dots
#define LCD_CGRAM_BASE_ADDR 0x40 // Set the CGRAM address
#define LCD_DDRAM_BASE_ADDR 0x80 // Set the DDRAM address
#define LCD_LINE_1 0x80 // Position of start of line 1
#define LCD_LINE_2 0xC0 // Position of start of line 2
#define LCD_LINE_3 0x94 // Position of start of line 3
#define LCD_LINE_4 0xD4 // Position of start of line 4
#define LCD_DEGREE_CHAR 0x00 // Ascii 00
#define LCD_TYPE 2 // 0=5x7, 1=5x10, 2=2 lines

void Ds1307Init(void);
void OkuDs1307(void);
void InitTmp100(void);
void OkuTmp100(void);

void LCD_Init(void);
void LCD_SetPosition(unsigned int);
void LCD_PutChar(unsigned int);
void LCD_PutCmd(Unsigned int);
void LCD_PulseEnable(void);
void LCDInit_PulseEnable(void);
void LCD_SetData(unsigned int);

int SicaklikTmp100Isaret=' ', SicaklikTmp100Basamak1, SicaklikTmp100Basamak2, SicaklikTmp100Basamak3;
int SicaklikDegeri;
int SayacRunLed1, SayacRunLed2;
int Saniye, Dakika, Saat, HaftaGun, Aygun, Ay, Yil;
int SaniyeAlt, SaniyeUst, DakikaAlt, DakikaUst, SaatAlt, SaatUst, HaftaGunAlt, HaftaGunUst;
int AygunAlt, AygunUst, AyAlt, AyUst, YilAlt, YilUst;
int BufferSaniye, SayacIkiNokta;

//#int_RTCC
//void Timer9KesmeGeldi(void){

// if(SayacRunLed1==0){

// OkuDs1307();
// OkuTmp100();
// }

// restart_wdt();
//}

void LCD_SetPosition(unsigned int cX){
LCD_SetData(swap(cX) | 0x08 );
LCD_PulseEnable();
LCD_SetData(swap(cX) );
LCD_PulseEnable();
}

void LCD_SetData(unsigned int cX){
output_bit(LCD_D4, cX & 0x01);
output_bit(LCD_D5, cX & 0x02);
output_bit(LCD_D6, cX & 0x04);
output_bit(LCD_D7, cX & 0x08);
}

void LCD_PulseEnable(void){
output_high(LCD_EN);
delay_us(10);
output_low(LCD_EN);
delay_ms(20);
}

void LCDInit_PulseEnable(void){
output_high(LCD_EN);
delay_us(10);
output_low(LCD_EN);
delay_ms(20);
}

void LCD_PutCmd(unsigned int cX){
LCD_SetData(swap (cX) ); /* send high nibble */
LCD_PulseEnable();
LCD_SetData(swap(cX) ); /* send low nibble */
LCD_PulseEnable();
}

void LCD_PutChar(unsigned int cX ){
output_high(LCD_RS);
LCD_SetData(swap(cX)); /* send high nibble */
LCD_PulseEnable();
LCD_SetData(swap(cX)); /* send low nibble */
LCD_PulseEnable();
output_low(LCD_RS);
}

void LCDInit(void){
LCD_SetData(0X00);
delay_ms(400); /* wait enough time after Vdd rise */
output_low(LCD_RS);
LCD_SetData(0X03); /* init with specific nibbles to start 4-bit mode */
LCDInit_PulseEnable();
LCDInit_PulseEnable();
LCDInit_PulseEnable();
LCD_SetData(0x02); /* set 4-bit interface */
LCDInit_PulseEnable(); /* send dual nibbles hereafter, MSN first */
LCD_PutCmd(0x2C); /* function set (all lines, 5x7 characters) */
LCD_PutCmd(0x0C); /* display ON, cursor off, no blink */
LCD_PutCmd(0x01); /* clear display */
LCD_PutCmd(0x06); /* entry mode set, increment & scroll left */
}

void OkuDs1307(void){
i2c_stop();
i2c_stop();
i2c_start();
i2c_write(0xD0);
i2c_write(0x00);

i2c_start();
i2c_write(0xD1);

Saniye =i2c_read(1);
Dakika =i2c_read(1);
Saat =i2c_read(1);
HaftaGun=i2c_read(1);
AyGun =i2c_read(1);
Ay =i2c_read(1);
Yil =i2c_read(0);
i2c_stop();

SaniyeAlt=(Saniye&0X0F) ;
SaniyeUst=((Saniye>>4)&0X07) ;
DakikaAlt=(Dakika&0X0F) ;
DakikaUst=((Dakika>>4)&0X07) ;
SaatAlt =(Saat&0X0F) ;
SaatUst =((Saat>>4)&0X07) ;
AyGunAlt =(AyGun&0X0F) ;
AyGunUst =((AyGun>>4)&0X07) ;
AyAlt =(Ay&0X0F) ;
AyUst =((Ay>>4)&0X07) ;
YilAlt =(Yil&0X0F) ;
YilUst =((Yil>>4)&0X07) ;

if(Saniye != BufferSaniye){
SayacIkiNokta=250;
BufferSaniye=Saniye;
}
}

void Ds1307Init(void){ //Start biti ve konfigürasyon Çalışıyor
int Durum;
i2c_stop();
i2c_stop();

i2c_start();
i2c_write(0xD0);
i2c_write(0x00);

i2c_start();
i2c_write(0xD1);
Durum = i2c_read(0);
i2c_stop();

Durum &= 0x7F;

i2c_start();
i2c_write(0xD0);
i2c_write(0x00);
i2c_write(Durum);

i2c_start();
i2c_write(0xD0);
i2c_write(0x07);
i2c_write(0x92);
i2c_stop();

i2c_start();
i2c_write(0xD1);
Durum = i2c_read(0);
i2c_stop();
}

void OkuTmp100(void){
int DegerAlt, DegerUst, Temp;

i2c_stop();
i2c_stop();

i2c_start();
i2c_write(0X90);
i2c_write(0X00);

i2c_start();
i2c_write(0X91);
DegerUst = i2c_read(1);
DegerAlt = swap(i2c_read(0));
i2c_stop();

if(bit_test(DegerAlt, 7) == 1){
SicaklikTmp100Isaret = ' ';

i2c_stop();
i2c_stop();
i2c_start();
i2c_write(0X90);
i2c_write(0X01);
i2c_write(0X60);

i2c_stop();
}
else{
if(bit_test(DegerUst, 7) == 0){
SicaklikTmp100Isaret = '+';

if(DegerUst<100){
SicaklikTmp100Basamak3 = 0;
SicaklikTmp100Basamak2 = DegerUst/10;
SicaklikTmp100Basamak1 = DegerUst%10;
}
else{
SicaklikTmp100Basamak3 = 1;
SicaklikTmp100Basamak2 = (DegerUst-100)/10;
SicaklikTmp100Basamak1 = DegerUst%10;
}
}

else{
SicaklikTmp100Isaret = '-';
bit_clear(DegerUst, 7);
Temp = 127-DegerUst;

SicaklikTmp100Basamak3 = 0;
SicaklikTmp100Basamak2 = DegerUst/10;
SicaklikTmp100Basamak1 = DegerUst%10;
}

SicaklikDegeri= SicaklikTmp100Basamak3*100+SicaklikTmp100Basamak2*10+SicaklikTmp100Basamak1-1;
}
}

void main (void){
set_tris_a(0Xff); // a port giriş giriş olarak yönlendiriliyor
set_tris_b(0X00); // b port çıkış
LcdInit();
Ds1307Init();
// fprintf(PORT1,"Start",);

LCD_SetPosition (LINE_1 + 0);
printf (LCD_PutChar, " Fatih ");
LCD_SetPosition (LINE_2 + 0);
printf (LCD_PutChar, " Ortam Sicakligi ");
delay_ms(1000);

// enable_interrupts(INT_RTCC);
// enable_interrupts (GLOBAL);

while(true){

OkuTmp100();
OkuDs1307();

// fprintf(PORT1,"%d - \x0D\X0A ", SicaklikDegeri);

LCD_SetPosition (LINE_1 + 0);
printf(LCD_PutChar,"%c %d %d%d: %d%d: %d%d ", SicaklikTmp100Isaret, SicaklikDegeri,
SaatUst,SaatAlt, DakikaUst,DakikaAlt, SaniyeUst,SaniyeAlt,);
delay_ms(50);

if(input(PIN_A5)==1){

if(++DakikaAlt>9){
DakikaAlt=0;
if(++DakikaUst>5){
DakikaUst=0; }
}
Dakika = ((DakikaUst<<4) | DakikaAlt);
I2C_Start();
I2C_Write(0xD0);
I2C_Write(0x01);
I2C_Write(Dakika);
I2C_Stop();

}
}
}

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