Пример 7.11 PIC18 Си стр282-Жки перемещение строки

: Опубликовано: 20 Февраль 2012; Создано: 20 Февраль 2012; Просмотров: 1029

primer-711-pic18-si-str282-zhki-peremeshchenie-stroki

//Строка перемещается слева на право.Частота 4МГц.
#include<p18cxxx.h>
#include<delays.h>
#include<string.h>
#pragma config OSC=RC
#pragma config WDT=OFF
#pragma config LVP=OFF
#pragma config BOR=OFF
#pragma config MCLRE=OFF
#define LCD PORTB
#define RS PORTBbits.RB5
#define E PORTBbits.RB4

char str1[]="I am PIC18F1320! How are you?";
#pragma code
void SendLCDdata(char data,char rs)
{
    LCD=(data>>4)&0x0f;
    RS=rs;
    E=1;
    Nop();
    E=0;
    Delay10TCYx(4);
    LCD=data&0x0f;
    RS=rs;
    E=1;
    Nop();
    E=0;
    Delay10TCYx(4);
}
void SendLCDnibble(char nibble,char rs)
{
    LCD=nibble&0x0f;
    RS=rs;
    E=1;
    Nop();
    E=0;
    Delay10TCYx(4);
}
void CLR(void)
{
    SendLCDdata(1,0);
    Delay1KTCYx(1);
}
void InitLCD(void)
{
    Delay1KTCYx(20);
    SendLCDnibble(3,0);
    Delay1KTCYx(4);
    SendLCDdata(3,0);
    Delay10TCYx(12);
    SendLCDdata(0x32,0);
    SendLCDdata(0x28,0);
    SendLCDdata(0x08,0);
    SendLCDdata(0x01,0);
    Delay1KTCYx(2);
    SendLCDdata(0x06,0);
    SendLCDdata(0x0C,0);
}
void SendLCDstring(char *str,char position)
{
    int ptr=0;
    SendLCDdata(position,0);
    while(str[ptr]!=0){
        SendLCDdata(str[ptr++],1);
    }
}
void scroll(char *str)
{
   char a;
   char b;
   for(a=0;a<=strlen(str);a++)
   {
       for(b=0;b<=a;b++)
       {
           SendLCDdata(0x80|a-b,0);
           SendLCDdata(str[strlen(str)-b],1);
       }
       Delay1KTCYx(100);
   }
}
void main(void)
{
    ADCON1=0x7f;
    TRISB=0;
    PORTB=0;
    InitLCD();
    while(1)
    {
        scroll(str1);
        CLR();
    }
}

//Строка перемещается справа на лево и слева на права.Частота 4МГц.
#include<p18cxxx.h>
#include<delays.h>
#include<string.h>
#pragma config OSC=RC
#pragma config WDT=OFF
#pragma config LVP=OFF
#pragma config BOR=OFF
#pragma config MCLRE=OFF
#define LCD PORTB
#define RS PORTBbits.RB5
#define E PORTBbits.RB4

char str1[]="I am PIC18F1320! How are you?";
#pragma code
void SendLCDdata(char data,char rs)
{
    LCD=(data>>4)&0x0f;
    RS=rs;
    E=1;
    Nop();
    E=0;
    Delay10TCYx(4);
    LCD=data&0x0f;
    RS=rs;
    E=1;
    Nop();
    E=0;
    Delay10TCYx(4);
}
void SendLCDnibble(char nibble,char rs)
{
    LCD=nibble&0x0f;
    RS=rs;
    E=1;
    Nop();
    E=0;
    Delay10TCYx(4);
}
void CLR(void)
{
    SendLCDdata(1,0);
    Delay1KTCYx(2);
}
void InitLCD(void)
{
    Delay1KTCYx(20);
    SendLCDnibble(3,0);
    Delay1KTCYx(4);
    SendLCDdata(3,0);
    Delay10TCYx(12);
    SendLCDdata(0x32,0);
    SendLCDdata(0x28,0);
    SendLCDdata(0x08,0);
    SendLCDdata(0x01,0);
    Delay1KTCYx(2);
    SendLCDdata(0x06,0);
    SendLCDdata(0x0C,0);
}
void SendLCDstring(char *str,char position)
{
    int ptr=0;
    SendLCDdata(position,0);
    while(str[ptr]!=0){
        SendLCDdata(str[ptr++],1);
    }
}
void scrollRight(char *str)
{
   char a;
   char b;
   for(a=0;a<=strlen(str);a++)
   {
       for(b=0;b<=a;b++)
       {
           SendLCDdata(0x90-(a-b),0);
           SendLCDdata(str[b],1);
       }
       Delay1KTCYx(100);
   }
}
void scrollLeft(char *str)
{
    char a;
    char b;
    for(a=0;a<=strlen(str);a++)
    {
        for(b=0;b<=a;b++)
        {
            SendLCDdata(0x80|a-b,0);
            SendLCDdata(str[strlen(str)-b],1);
        }
        Delay1KTCYx(100);
    }
}
void main(void)
{
    ADCON1=0x7f;
    TRISB=0;
    PORTB=0;
    InitLCD();
    while(1)
    {
        scrollRight(str1);
        CLR();
        scrollLeft(str1);
        CLR();
    }
}

//Выводим текст из программной памяти.
#include<p18cxxx.h>
#include<delays.h>
#include<string.h>
#pragma config OSC=RC
#pragma config WDT=OFF
#pragma config LVP=OFF
#pragma config BOR=OFF
#pragma config MCLRE=OFF
#define LCD PORTB
#define RS PORTBbits.RB5
#define E PORTBbits.RB4

far rom char text[]="Eto text is programmnoy pamyati,tak kak v udata pamyati malo registrov.";

#pragma code
void SendLCDdata(char data,char rs)
{
    LCD=(data>>4)&0x0f;
    RS=rs;
    E=1;
    Nop();
    E=0;
    Delay10TCYx(4);
    LCD=data&0x0f;
    RS=rs;
    E=1;
    Nop();
    E=0;
    Delay10TCYx(4);
}
void SendLCDnibble(char nibble,char rs)
{
    LCD=nibble&0x0f;
    RS=rs;
    E=1;
    Nop();
    E=0;
    Delay10TCYx(4);
}
void CLR(void)
{
    SendLCDdata(1,0);
    Delay1KTCYx(2);
}
void InitLCD(void)
{
    Delay1KTCYx(20);
    SendLCDnibble(3,0);
    Delay1KTCYx(4);
    SendLCDdata(3,0);
    Delay10TCYx(12);
    SendLCDdata(0x32,0);
    SendLCDdata(0x28,0);
    SendLCDdata(0x08,0);
    SendLCDdata(0x01,0);
    Delay1KTCYx(2);
    SendLCDdata(0x06,0);
    SendLCDdata(0x0C,0);
}
void SendLCDstring(char *str,char position)
{
    int ptr=0;
    SendLCDdata(position,0);
    while(str[ptr]!=0){
        SendLCDdata(str[ptr++],1);
    }
}
void scrollRightFromPgm(far rom char *str)
{
    char a;
    char b;
    for(a=0;a<=strlenpgm(str);a++)
    {
        for(b=0;b<=a;b++)
        {
            SendLCDdata(0x90-(a-b),0);
            SendLCDdata(str[b],1);
        }
        Delay1KTCYx(100);
    }
}
void scrollLeftFromPgm(far rom char *str)
{
    char a;
    char b;
    for(a=0;a<=strlenpgm(str);a++)
    {
        for(b=0;b<=a;b++)
        {
            SendLCDdata(0x80|a-b,0);
            SendLCDdata(str[strlenpgm(str)-b],1);
        }
        Delay1KTCYx(100);
    }
}
void main(void)
{
    ADCON1=0x7f;
    TRISB=0;
    PORTB=0;
    InitLCD();

    while(1)
    {
        scrollRightFromPgm(text);
        CLR();
        scrollLeftFromPgm(text);
        CLR();
    }
}

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