/*
Dot Matrix Display Controller
Chip: ATMEGA128
Serial EEPROM: AT24C256
RTC: DS1307
Matrix Size: 16 Row x [n] Column
Character programmable via: PS-2 Keyboard & Serial DB-9 (using custom data downloader)
RTC format hh:mm:ss and DD:MM:YY
*/
#define F_CPU 14745600UL //11059200UL
// define of I/O Register Control Ports
#define RCLK PC0
#define SCLK PC1
#define SERIAL PC2
#define DATAPORT PORTC
#define DATADDR DDRC
#include <avr/io.h>
#include <avr/eeprom.h>
#include <avr/interrupt.h>
#include <avr/pgmspace.h>
#include <avr/wdt.h>
#include <util/delay.h>
#include <stdlib.h>
#include <string.h>
#include "font16x16.h"
#include "font5x7.h"
#include "twi.h"
#include "ds1307.h"
#include "seeprom.h"
#include "animasi.h"
#include "ps2kbd.c"
#include "uart.h"
#include "menu.h"
volatile uint8_t baris, kolom, baris_aktif, modul_aktif;
volatile uint16_t geser, prescaler;
#define SCLK_LOW() {DATAPORT &= ~(1<<SCLK);}
#define SCLK_HIGH() {DATAPORT |= (1<<SCLK);}
#define SCLOCK() {SCLK_LOW();SCLK_HIGH();}
#define RCLK_LOW() {DATAPORT &= ~(1<<RCLK);}
#define RCLK_HIGH() {DATAPORT |= (1<<RCLK);}
#define RCLOCK() {RCLK_LOW();RCLK_HIGH();}
void reset_register() // MEMBERSIHKAN REGISTER
{
uint8_t kolom;
for(kolom = 0; kolom < (COL_PER_MODUL+16); kolom++)
{
buffer[kolom] = 0;
DATAPORT &= ~(1<<SERIAL);
SCLOCK();
}
RCLOCK();
}
ISR(TIMER3_COMPA_vect, ISR_NOBLOCK) // Periode interrupt 30ms, interrupt memakan waktu 21ms, sisa waktu 9ms
{
for(baris_aktif = 0; baris_aktif < 16; baris_aktif++)
{
for(baris = 0; baris < 16; baris++) // buat nyalakan
{
if(baris == baris_aktif) DATAPORT |= (1<<SERIAL); else DATAPORT &= ~(1<<SERIAL);
SCLOCK();
}
for(kolom = 0; kolom < COL_PER_MODUL; kolom++)
{
temp = buffer[kolom];
if(temp & (1<<baris_aktif)) DATAPORT |= (1<<SERIAL); else DATAPORT &= ~(1<<SERIAL);
SCLOCK();
}
RCLOCK();
_delay_us(330); // delay 350us
for(kolom = 0; kolom < (COL_PER_MODUL+16); kolom++) // buat matikan
{
DATAPORT &= ~(1<<SERIAL);
SCLOCK();
}
RCLOCK();
}
}
int main(void)
{
DATADDR |= (1<<SERIAL) | (1<<SCLK) | (1<<RCLK); // inisialisasi port-port
DATAPORT &= ~((1<<SERIAL) | (1<<SCLK) | (1<<RCLK));
JUMLAH_MODUL = eeprom_read_byte(&JUMLAH_MODULE); // jumlah modul
if(JUMLAH_MODUL > 160)
{
JUMLAH_MODUL = 1;
eeprom_write_byte(&JUMLAH_MODULE, JUMLAH_MODUL);
}
COL_PER_MODUL = eeprom_read_byte(&COL_PER_MODULE); // jumlah kolom per modul
if(COL_PER_MODUL > 160)
{
COL_PER_MODUL = 32;
eeprom_write_byte(&COL_PER_MODULE, COL_PER_MODUL);
}
lebar_display = JUMLAH_MODUL * COL_PER_MODUL;
slot = 0;
buffer_enable = 1;
program_kbd = 0;
reset_register();
twiInit(10);
UART_Init(MYUBRR); // inisialisasi komunikasi serial
kbd_init(); // inisialisasi keyboard
sei(); // enable global interrupt
delay(2000);
kbd_send(0xFF); // kirim perintah untuk me-reset keyboard
delay(1000); // tunggu bentar
key = kbd_get_scancode(); // baca balasan dari keyboard
if(key == 0xFA) // jika 0xFA maka ada keyboard
{
write_menu_flash(PSTR("PROG MODE"),1);
write_menu_flash(PSTR("F1=HELP"),2);
help_position = 0;
TIMER3_INIT(); // inisialisasi interupsi timer 2 untuk scanning display
program_kbd = 1;
while(program_kbd) do_menu(); // proses memprogram kalimat menggunakan keyboard
}
kbd_release();
TIMER0_INIT(); // inisialisasi interupsi timer 0 untuk timeout komunikasi serial
TIMER1_INIT(); // inisialisasi interupsi timer 1 untuk update jam dan tanggal
TIMER3_INIT(); // inisialisasi interupsi timer 2 untuk scanning display
slot = 0;
wdt_enable(WDTO_2S);
while(1)
{
MAX_SLOT = eeprom_read_byte(&MAX_SLOTE);
if(slot<MAX_SLOT)
{
kecepatan_masuk = SEEPROM_READ(((uint16_t) slot * 1024) + 2);
kecepatan_keluar = SEEPROM_READ(((uint16_t) slot * 1024) + 3);
transition_delay = ((uint16_t) SEEPROM_READ(((uint16_t) slot * 1024) + 4) << 8) + SEEPROM_READ(((uint16_t) slot * 1024) + 5);
if(transition_delay > 10000) transition_delay = 500;
copy_buffer(slot);
animasi_masuk(slot);
if(SEEPROM_READ((uint16_t) slot * 1024) != GESER_KIRI2) // kalo bukan geser kiri terooos, maka proses seperti biasa
{
wait(transition_delay);
animasi_keluar(slot);
}
slot++;
} else slot = 0;
}
return 0;
}
adiba said:
yes..Mega 8 should work well. The said task can too be done with 89S52 or any PIC micros. Its all up to your knowledge.anemokid said:
