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Updated data for ES

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This commit is contained in:
sherlock 2025-10-16 02:17:32 +05:30
parent d9ac0bd296
commit 1c7296cf33
12 changed files with 185 additions and 77 deletions
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17
ES/Lab/Lab9/LCD_DOUBLELINE.c
View file

@ -4,9 +4,12 @@
#define EN_CTRL 0x10000000
#define DT_CTRL 0x07800000
#define LCD_COLS 16
unsigned int col = 0;
unsigned long int temp1 = 0, temp2 = 0, i, j;
unsigned char flag1 = 0, flag2 = 0;
unsigned char msg[] = ("Long messages work well, heh.");
void lcd_write(void);
@ -17,23 +20,18 @@ unsigned long int init_command[] = {
0x30, 0x30, 0x30, 0x20, 0x28, 0x0C, 0x01, 0x80
};
#define LCD_COLS 16
int main() {
LPC_GPIO0->FIODIR = DT_CTRL | RS_CTRL | EN_CTRL;
flag1 = 0;
for (i = 0; i < 8; i++) {
temp1 = init_command[i];
lcd_write();
}
flag1 = 1;
i = 0;
while (msg[i] != '\0') {
@ -41,13 +39,11 @@ int main() {
flag1 = 0;
temp1 = 0xC0;
lcd_write();
flag1 = 1;
} else if (col == (LCD_COLS * 2)) {
flag1 = 0;
temp1 = 0x80;
lcd_write();
flag1 = 1;
col = 0;
}
@ -57,8 +53,7 @@ int main() {
col++;
}
while (1)
;
while (1);
}
void lcd_write(void) {
@ -95,8 +90,6 @@ void port_write(void) {
void delay_lcd(unsigned long r1) {
unsigned long r;
for (r = 0; r < r1; r++)
;
for (r = 0; r < r1; r++);
return;
}

10
ES/Lab/Lab9/LCD_UPPERLINE.c
View file

@ -2,11 +2,11 @@
#define RS_CTRL 0x08000000
#define EN_CTRL 0x10000000
#define DT_CTRL 0x07800000
#define DT_CTRL 0x07800000
unsigned long int temp1 = 0, temp2 = 0, i, j;
unsigned char flag1 = 0, flag2 = 0;
unsigned char msg[] = ("Santhosh Sir Gr8");
unsigned char msg[] = ("We have fun.");
void lcd_write(void);
void port_write(void);
@ -23,11 +23,11 @@ int main() {
temp1 = init_command[i];
lcd_write();
}
flag1=1;
i= 0;
while(msg[i]!='\0'){
temp1=msg[i];
i++;

45
ES/Lab/Lab9/dice.c Normal file
View file

@ -0,0 +1,45 @@
#include <LPC17xx.h>
#include <stdlib.h>
#define RS_CTRL 0x08000000
#define EN_CTRL 0x10000000
#define DT_CTRL 0x07800000
unsigned long int temp1 = 0, temp2 = 0, i, j;
unsigned char flag1 = 0, flag2 = 0;
unsigned char msg[] = ("Dice: ");
void lcd_write(void);
void port_write(void);
void delay_lcd(unsigned long);
unsigned long int init_command[] = {0x30,0x30,0x30,0x20,0x28,0x0C,0x01,0x80};
int main() {
LPC_GPIO0->FIODIR = DT_CTRL | RS_CTRL | EN_CTRL;
for (i = 0; i < 8; i++) { temp1 = init_command[i]; flag1 = 0; lcd_write(); }
LPC_PINCON->PINSEL3 = 0; LPC_GPIO0->FIODIR &= ~(1 << 21);
while (1) {
while ((LPC_GPIO0->FIOPIN & (1 << 21)) != 0);
flag1 = 0; temp1 = 0x01; lcd_write(); temp1 = 0x80; lcd_write();
flag1 = 1; for (i = 0; msg[i] != '\0'; i++) { temp1 = msg[i]; lcd_write(); }
j = (rand() % 6) + 1; temp1 = '0' + j; lcd_write();
while ((LPC_GPIO0->FIOPIN & (1 << 21)) == 0);
}
}
void lcd_write(void) {
flag2 = (flag1 == 1) ? 0 : (((temp1 == 0x30) || (temp1 == 0x20)) ? 1 : 0);
temp2 = (temp1 & 0xF0) << 19; port_write();
if (!flag2) { temp2 = (temp1 & 0x0F) << 23; port_write(); }
}
void port_write(void) {
LPC_GPIO0->FIOPIN = temp2;
if (flag1 == 0) LPC_GPIO0->FIOCLR = RS_CTRL; else LPC_GPIO0->FIOSET = RS_CTRL;
LPC_GPIO0->FIOSET = EN_CTRL; delay_lcd(100); LPC_GPIO0->FIOCLR = EN_CTRL;
delay_lcd(500000);
}
void delay_lcd(unsigned long r1) { unsigned long r; for (r = 0; r < r1; r++); }