NET_fpga.rar_android

NET "E_GPIO_IO_O_pin" LOC = "M18" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW ;

NET "RS_GPIO_IO_O_pin" LOC = "L18" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW ;

NET "RW_GPIO_IO_O_pin" LOC = "L17" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW ;

NET "Lcd_Data_GPIO_IO_O_pin<0>" LOC = "R15" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW =

SLOW ;

NET "Lcd_Data_GPIO_IO_O_pin<1>" LOC = "R16" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW =

SLOW ;

NET "Lcd_Data_GPIO_IO_O_pin<2>" LOC = "P17" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW =

SLOW ;

NET "Lcd_Data_GPIO_IO_O_pin<6>" LOC = "R8" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW =

SLOW ;

NET "Lcd_Data_GPIO_IO_O_pin<7>" LOC = "T8" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW =

SLOW ;

Main.c

#include<stdio.h>

#include<xparameters.h>

#include<xgpio.h>

XGpio e,rs,rw,lcd_data;

char reverse(char data)

{

int i;

int temp1;

int temp2=0;

}

void delay(int counter)

{

while(counter) counter--;

}

void gpio_init (void)

{

XGpio_Initialize(&e, XPAR_E_DEVICE_ID);

XGpio_Initialize(&rs, XPAR_RS_DEVICE_ID);

XGpio_Initialize(&rw, XPAR_RW_DEVICE_ID);

XGpio_Initialize(&lcd_data, XPAR_LCD_DATA_DEVICE_ID);

/*Set the all GPIOs as output*/

XGpio_SetDataDirection(&e,1,0);

XGpio_SetDataDirection(&rs,1,0);

XGpio_SetDataDirection(&rw,1,0);

XGpio_SetDataDirection(&lcd_data,1,0);

}

void lcd_command(char i)

{

void lcd_write(char i)

{

XGpio_DiscreteWrite(&lcd_data, 1, reverse(i));

XGpio_DiscreteWrite(&rs, 1, 1);

XGpio_DiscreteWrite(&e, 1, 1);

delay(200000);

}

void cursor(int row, int column)