#include
<stdio.h>
#include
"altera_avalon_pio_regs.h"
#include
"system.h"
int
main()
{
int
rx_char;
char
line[100];
#define
PERIPH_SYS_LEDS_PIO_BASE PIO_0_BASE
#ifdef
NEEK_ID_NAME
#define
PATTERN1 0x02
#define
PATTERN2 0x03 // clears LEDs
#define
PATTERN3 0x03 // clears LEDs
#define
PATTERN4 0x01
#define
NULL_PATTERN 0x03 // clears LEDs
#else #define
PATTERN1 0x03
#define
PATTERN2 0x0C
#define
PATTERN3 0x30
#define
PATTERN4 0xC0
#define
NULL_PATTERN 0x00 // clears LEDs
#endif IOWR_ALTERA_AVALON_PIO_DATA(PERIPH_SYS_LEDS_PIO_BASE,NULL_PATTERN);
// Clear LEDs
// Print the message to STDOUT...
printf
("This is Lab1b for the
nios II Software Development class\n\n");
#ifdef
NEEK_ID_NAME
printf(
"\nPlease choose an LED pattern: Press 1 or 4\n");
printf(
"Note: Only LEDs 1 and 4 are connected on NEEK Board!\n");
#else printf
("\nPlease choose an LED pattern: Press 1 to 4\n");
#endif while
(1)
{
printf
("\nType Value Now (followed by Enter):");
fgets
(line,
sizeof(line),stdin);
sscanf
(line,"%d",&rx_char);
switch
(rx_char)
{
case
4:
printf
("\nLED Pattern 4\n");
IOWR_ALTERA_AVALON_PIO_DATA(PERIPH_SYS_LEDS_PIO_BASE,PATTERN4);
break
;
case
3:
printf
("\nLED Pattern 3\n");
IOWR_ALTERA_AVALON_PIO_DATA(PERIPH_SYS_LEDS_PIO_BASE,PATTERN3);
break
;
case
2:
printf
("\nLED Pattern 2\n");
IOWR_ALTERA_AVALON_PIO_DATA(PERIPH_SYS_LEDS_PIO_BASE,PATTERN2);
break
;
case
1:
printf
("\nLED Pattern 1\n");
IOWR_ALTERA_AVALON_PIO_DATA(PERIPH_SYS_LEDS_PIO_BASE,PATTERN1);
break
;
default
:
printf
("Please enter an integer value from 1 to 4\n");
break
;
}
}
return
0;
}
