void main(void)
{
uint16_t i, j, k;
Kit_initialize(); // initialize OK-89S52 kit
Delay_ms(50); // wait for system stabilization
LCD_initialize(); // initialize text LCD module
Beep();
LCD_string(0x80, " Multiplication "); // display title
LCD_string(0xC0, " 0 * 0 = 00 ");
while (1) {
for (i = 2; i <= 9; i++) {
for (j = 1; j <= 9; j++) {
LCD_command(0xC3); // display multiplicand
LCD_data(i + '0');
LCD_command(0xC7); // display multiplier
LCD_data(j + '0');
k = Mul_8bit(i, j); // call assembly routine(1)
LCD_command(0xCB); // display multiplication
LCD_2d(k);
Delay_1sec(); // call assembly routine(2)
}
Beep();
}
}
}
int main(void)
{
MCU_initialize(); // initialize MCU and kit
Delay_ms(50); // wait for system stabilization
LCD_initialize(); // initialize text LCD module
Beep();
LCD_string(0x80, " Analog Comp. "); // display title
LCD_string(0xC0, " VR1 < 1.23V ");
ACSR = _BV(ACBG) | _BV(ACIS1) | _BV(ACIS0); // +input = 1.23V
SFIOR |= _BV(ACME); // use ADC input pin
ADCSRA &= ~_BV(ADEN); // ADEN = 0
ADMUX = _BV(MUX1) | _BV(MUX0); // -input = ADC3
while (1) {
if ((ACSR & 0x20) == 0x20) { // if ACO=1, ADC3 < 1.23V
PORTB = _BV(PB4); // LED1 on
LCD_command(0xC6); // display "<"
LCD_data('<');
} else { // if ACO=0, ADC3 > 1.23V
PORTB = _BV(PB7); // LED4 on
LCD_command(0xC6); // display ">"
LCD_data('>');
}
Delay_ms(100); // delay 100 ms
}
return 0;
}
void main(void)
{
Kit_initialize(); // initialize OK-89S52 kit
Delay_ms(50); // wait for system stabilization
LCD_initialize(); // initialize text LCD module
Beep();
LCD_string(0x80, " A/D CH0 = 00H "); // display title
LCD_string(0xC0, " A/D CH1 = 00H ");
T2CON = 0x04; // TR2=1, C/-T2=0
T2MOD = 0x02; // programmable clock out mode
RCAP2H = 65530 >> 8; // clock = 1MHz
RCAP2L = 65530 & 0x00FF;
TH2 = 65530 >> 8;
TL2 = 65530 & 0x00FF;
Delay_ms(100); // wait for ADC stabilization
while (1) {
LCD_command(0x8B); // cursor position
ADC_CH0 = 0; // select and start ADC0809 IN0
Delay_us(100);
LCD_2hex(ADC_READ); // display A/D result in hex
LCD_command(0xCB); // cursor position
ADC_CH1 = 0; // select and start ADC0809 IN1
Delay_us(100);
LCD_2hex(ADC_READ); // display A/D result in hex
Delay_ms(200);
}
}
int main(void)
{
uint8_t i, j;
float x, y;
MCU_initialize(); // initialize MCU
Delay_ms(50); // wait for system stabilization
LCD_initialize(); // initialize text LCD module
while (1) {
LCD_string(0x80, " FLOAT MULTIPLY "); // display title
LCD_string(0xC0, "0.0 x 0.0 =00.00");
Beep();
Delay_ms(1000);
x = 0.0; // initial floating-point number
for (i = 1; i <= 9; i++) {
x += 1.1;
y = 0.0;
for (j = 1; j <= 9; j++) {
y += 1.1;
LCD_command(0xC0);
LCD_1d1(x); // display multiplicand
LCD_command(0xC6);
LCD_1d1(y); // display multiplier
LCD_command(0xCB);
LCD_2d2(x * y); // display multiplication
Delay_ms(1000);
}
}
}
return 0;
}
void LCD_initialize(void)
{ /* initialize text LCD module */
LCD_command(0x38); // function set(8 bit, 2 line, 5x7 dot)
LCD_command(0x0C); // display control(display ON, cursor OFF)
LCD_command(0x06); // entry mode set(increment, not shift)
LCD_command(0x01); // clear display
Delay_ms(2);
Key_input(); // dummy function call to avoid warning
}
int
main(int argc, char *argv[])
{
int i, c, done;
int offset;
char buf[128], str[64];
short temp;
i = 0;
offset = 0;
init_board();
read_input:
if (IS_PRESSED(BUTTON1)) {
UART0_puts("_BALANCE:1_", 64);
UART0_gets(str, sizeof(str));
LCD_command(1);
LCD_puts(str, sizeof(str));
LCD_putchar('\n');
temp = read_temp();
show_temperature(temp);
} else if (IS_PRESSED(BUTTON2)) {
UART0_puts("_RECHARGE:1:", 64);
escrevenum(leds_state);
UART0_puts("_", 64);
UART0_gets(str, sizeof(str));
LCD_command(1);
LCD_puts(str, sizeof(str));
LCD_putchar('\n');
temp = read_temp();
show_temperature(temp);
} else if (IS_PRESSED(BUTTON3)) {
UART0_puts("_DISCHARGE:1:", 64);
escrevenum(leds_state);
UART0_puts("_", 64);
UART0_gets(str, sizeof(str));
LCD_command(1);
LCD_puts(str, sizeof(str));
LCD_putchar('\n');
temp = read_temp();
show_temperature(temp);
} else if (IS_PRESSED(BUTTON4)) {
leds_state++;
UPDATE_LED();
uwait(1000);
} else if (IS_PRESSED(BUTTON5)) {
leds_state--;
UPDATE_LED();
uwait(1000);
}
goto read_input;
/* NOTREACHED */
return (0);
}
void LCD_setAddr(unsigned short x0, unsigned short y0, unsigned short x1, unsigned short y1) {
LCD_command(CMD_CLMADRS); // Column
LCD_data16(x0);
LCD_data16(x1);
LCD_command(CMD_PGEADRS); // Page
LCD_data16(y0);
LCD_data16(y1);
LCD_command(CMD_RAMWR); //Into RAM
}
static void Display_time(void)
{ /* display time */
LCD_command(0xC2); // display hour
LCD_2digit(hour);
LCD_command(0xC5); // display minute
LCD_2digit(minute);
LCD_command(0xC8); // display second
LCD_2digit(second / 100);
LCD_command(0xCB); // display 1/100 second
LCD_2digit(second % 100);
}
void LCD_initialize(void)
{ /* initialize text LCD module */
LCD_CONTROL = 0x03; // E = 1, Rs = 1 (dummy write)
LCD_CONTROL = 0x02; // E = 0, Rs = 1
Delay_ms(2);
LCD_command(0x38); // function set(8 bit, 2 line, 5x7 dot)
LCD_command(0x0C); // display control(display ON, cursor OFF)
LCD_command(0x06); // entry mode set(increment, not shift)
LCD_command(0x01); // clear display
Delay_ms(2);
}
void main(void)
{
Kit_initialize(); // initialize OK-89S52 kit
Delay_ms(50); // wait for system stabilization
LCD_initialize(); // initialize text LCD module
Beep();
LCD_string(0x80, " RS-232C "); // display title
LCD_string(0xC0, " ");
T2CON = 0x34; // TCLK=RCLK=1, TR2=1, C/-T2=0
T2MOD = 0x00; // (baud rate generator)
RCAP2H = 0xFF; // 115200 bps
RCAP2L = 0xFA;
SCON = 0x52; // 8 data, 1 stop, REN=TI=1
cursor = SBUF; // dummy read(clear SBUF)
LCD_command(0x0F); // cursor ON
LCD_command(0xC0); // initialize cursor position
cursor = 1;
while (1) {
switch (Key_input()) { // key input
case 0x1C:
DIG_SELECT = 0x01;
TXD_string("KEY1 was pressed.");
TXD_char(0x0D);
TXD_char(0x0A);
break;
case 0x1A:
DIG_SELECT = 0x02;
TXD_string("KEY2 was pressed.");
TXD_char(0x0D);
TXD_char(0x0A);
break;
case 0x16:
DIG_SELECT = 0x04;
TXD_string("KEY3 was pressed.");
TXD_char(0x0D);
TXD_char(0x0A);
break;
case 0x0E:
DIG_SELECT = 0x08;
TXD_string("KEY4 was pressed.");
TXD_char(0x0D);
TXD_char(0x0A);
break;
default:
break;
}
RXD_char(); // check if a character received
}
}
int main(void)
{
uint8_t key;
uint8_t key1 = 0, key2 = 0, key3 = 0, key4 = 0;
MCU_initialize(); // initialize MCU and kit
Delay_ms(50); // wait for system stabilization
LCD_initialize(); // initialize text LCD module
Beep();
LCD_string(0x80, "KEY1=00 KEY2=00"); // display title
LCD_string(0xC0, "KEY3=00 KEY4=00");
while (1) {
key = PINF & 0xF0; // key input without debouncing
switch (key) {
case (0xF0 & ~_BV(PF4)):
PORTB = key ^ 0xF0; // display LED
key1++; // display KEY1 count
if (key1 > 99)
key1 = 0;
LCD_command(0x85);
LCD_2d(key1);
break;
case (0xF0 & ~_BV(PF5)):
PORTB = key ^ 0xF0; // display LED
key2++; // display KEY2 count
if (key2 > 99)
key2 = 0;
LCD_command(0x8E);
LCD_2d(key2);
break;
case (0xF0 & ~_BV(PF6)):
PORTB = key ^ 0xF0; // display LED
key3++; // display KEY3 count
if (key3 > 99)
key3 = 0;
LCD_command(0xC5);
LCD_2d(key3);
break;
case (0xF0 & ~_BV(PF7)):
PORTB = key ^ 0xF0; // display LED
key4++; // display KEY4 count
if (key4 > 99)
key4 = 0;
LCD_command(0xCE);
LCD_2d(key4);
break;
}
}
return 0;
}
void LCD_show(char *str_0, char *str_1) {
LCD_command(LCD_CLEAR, 1);
LCD_setLocation(0, 0);
LCD_print(str_0);
LCD_setLocation(0, 1);
LCD_print(str_1);
}
void main(void)
{
uint16_t i, j, time;
float x, y;
Kit_initialize(); // initialize OK-89S52 kit
Delay_ms(50); // wait for system stabilization
LCD_initialize(); // initialize text LCD module
Beep();
TMOD = 0x01; // Timer 0, mode 1
TCON = 0x10; // TR0=1
TH0 = 0; // clear Timer 0
TL0 = 0;
LCD_string(0x80, " Execution Time "); // display title
LCD_string(0xC0, " 00000 [us] ");
for (i = 1, x = 0.0; i <= 20; i++) {
j = i + 500; // integer addition
j = i * 500; // integer multiplication
x += 12.34; // real addition
y = x * 56.78 * j; // real & integer
}
time = TH0 * 256 + TL0; // read Timer 0
LCD_command(0xC3); // display execution time
LCD_5d(time / 2);
while (1) ;
}
int main( void )
{
LCD_init();
LCD_write("Hello World");
LCD_command(LCD_LINE2 | 5); // move cursor to row 2, position 5
LCD_write("is here");
}
int main(void)
{
MCU_initialize(); // initialize MCU
Delay_ms(50); // wait for system stabilization
LCD_initialize(); // initialize text LCD module
Set_font(); // set user character font
LCD_command(0x80); // display logo
LCD_data(0x00);
LCD_string(0x81, " OK-128 V2.2 ");
LCD_data(0x07);
while (1) {
LCD_string(0xC0, "ATmega128 "); // display message 1
LCD_data(0x01);
LCD_data(0x02);
LCD_data(0x03);
LCD_data(0x04);
LCD_data(0x05);
LCD_data(0x06);
Beep();
Delay_ms(2000);
LCD_string(0xC0, " 2005/03/01 "); // display message 2
Delay_ms(2000);
LCD_string(0xC0, " DUCK-YONG YOON "); // display message 3
Delay_ms(2000);
}
return 0;
}
void main(void)
{
uint8_t i;
uint16_t sum;
Kit_initialize(); // initialize OK-89S52 kit
Delay_ms(50); // wait for system stabilization
LCD_initialize(); // initialize text LCD module
Beep();
LCD_string(0x80, " A/D CH0 = 00H "); // display title
LCD_string(0xC0, " A/D CH1 = 00H ");
T2CON = 0x04; // TR2=1, C/-T2=0
T2MOD = 0x02; // programmable clock out mode
RCAP2H = 65530 >> 8; // clock = 1MHz
RCAP2L = 65530 & 0x00FF;
TH2 = 65530 >> 8;
TL2 = 65530 & 0x00FF;
Delay_ms(100); // wait for ADC stabilization
while (1) {
LCD_command(0x8B); // cursor position
sum = 0; // clear total sum
for (i = 1; i <= 16; i++) {
ADC_CH0 = 0; // select and start ADC0809 IN0
Delay_us(100);
sum += ADC_READ; // add A/D result to total sum
Delay_ms(1); // delay for interval
}
sum >>= 4; // calculate average
LCD_2hex(sum); // display A/D result in hex
LCD_command(0xCB); // cursor position
sum = 0; // clear total sum
for (i = 1; i <= 16; i++) {
ADC_CH1 = 0; // select and start ADC0809 IN1
Delay_us(100);
sum += ADC_READ; // add A/D result to total sum
Delay_ms(1); // delay for interval
}
sum >>= 4; // calculate average
LCD_2hex(sum); // display A/D result in hex
Delay_ms(200);
}
}
void LCD_setCursor(uint8 col, uint8 row){
int row_offsets[] = { 0x00, 0x40, 0x14, 0x54 };
_numlines = LCD_ROW;
if ( row > _numlines ) {
row = _numlines-1; // we count rows starting w/0
}
LCD_command(LCD_SETDDRAMADDR | (col + row_offsets[row]));
}
void LCD_string(uint8_t command, char *string)
{ /* display a string on LCD */
LCD_command(command); // start position of string
while (*string != '\0') { // display string
LCD_data(*string);
string++;
}
}
void LCD_string(uint8_t command, char *string)
{ /* display a string on text LCD */
LCD_command(command);
while (*string != '\0') {
LCD_data(*string);
string++;
}
}
// Allows us to fill the first 8 CGRAM locations
// with custom characters
void LCD_createChar(uint8 location, uint8 charmap[]) {
location &= 0x7; // we only have 8 locations 0-7
LCD_command(LCD_SETCGRAMADDR | (location << 3));
int i;
for (i=0; i<8; i++) {
LCD_write(charmap[i]);
}
}
void main(void)
{
signed int i;
float x, y;
Kit_initialize(); // initialize OK-89S52 kit
Delay_ms(50); // wait for system stabilization
LCD_initialize(); // initialize text LCD module
LCD_string(0x80, "sin(+000)=+0.000"); // display title
LCD_string(0xC0, "cos(+000)=+0.000");
T2CON = 0x34; // TCLK=RCLK=1, TR2=1, C/-T2=0
T2MOD = 0x00; // (baud rate generator)
RCAP2H = 0xFF; // 115200 bps
RCAP2L = 0xFA;
SCON = 0x52; // 8 data, 1 stop, REN=TI=1
i = SBUF; // dummy read(clear SBUF)
while (1) {
Beep();
for (i = -360; i <= +360; i += 30) {
x = i * 3.141592654 / 180.;
y = sinf(x);
LCD_command(0x84);
LCD_s3d(i); // display sin()
LCD_command(0x8A);
LCD_s1d3(y);
printf_fast_f("sin(%c%03d)=%c%1.3f\n",
i >= 0 ? '+' : '-', abs(i),
y >= 0. ? '+' : '-', fabsf(y)); // printf for sin output
y = cosf(x);
LCD_command(0xC4);
LCD_s3d(i); // display cos()
LCD_command(0xCA);
LCD_s1d3(cosf(x));
printf_fast_f("cos(%c%03d)=%c%1.3f\n\n",
i >= 0 ? '+' : '-', abs(i),
y >= 0. ? '+' : '-', fabsf(y)); // printf for cos output
Delay_ms(2000);
}
}
}
static void Ucompare(uint8_t a, uint8_t b)
{ /* uint8_t compare */
LCD_command(0xC7);
if (a == b)
LCD_data('=');
else if (a > b)
LCD_data('>');
else
LCD_data('<');
Delay_ms(2000);
}
void main()
{
init();
unsigned char string;
while(1)
{
string = TerimaChar();
LCD_command(0x80);
LCD_puts(string);
}
}
static void
write_card(int off, char *buf)
{
LCD_command(1);
LCD_puts(INSCAR, sizeof(INSCAR));
DPRINTF(INSCAR);
while (FIO0PIN & (1 << 21));
buf[0] = off;
escreve_i2c(0xa0, buf, 17);
}
static void RXD_char(void)
{ /* receive a character */
if (RI) { // receive ready ?
LCD_data(SBUF); // if yes, receive and RI=0
RI = 0; // and display a character
cursor += 1; // 16 characters OK ?
if (cursor == 17) {
LCD_command(0xC0); // if yes, go first column
cursor = 1;
Beep();
}
}
}
static void Set_font(void)
{ /* set user character font */
uint8_t i;
uint8_t font[] = {
0x10, 0x18, 0x1C, 0x1E, 0x1C, 0x18, 0x10, 0x00, // character 0
0x0F, 0x09, 0x09, 0x09, 0x09, 0x09, 0x0F, 0x00, // character 1
0x08, 0x08, 0x08, 0x0E, 0x08, 0x08, 0x08, 0x00, // character 2
0x01, 0x02, 0x04, 0x08, 0x00, 0x00, 0x0F, 0x00, // character 3
0x10, 0x08, 0x04, 0x02, 0x00, 0x00, 0x1E, 0x00, // character 4
0x0F, 0x08, 0x08, 0x0F, 0x08, 0x08, 0x0F, 0x00, // character 5
0x04, 0x04, 0x04, 0x1C, 0x04, 0x04, 0x04, 0x00, // character 6
0x01, 0x03, 0x07, 0x0F, 0x07, 0x03, 0x01, 0x00 // character 7
};
LCD_command(0x40); // set CGRAM address
for (i = 0; i < 64; i++) // download font data
LCD_data(font[i]);
}
void LCD_initial(void) {
unsigned char i;
LCD_Data = 0;
for (i = 0; i < 3; i++) {
LCD_command(0x38, 0);
delay_ms(5);
}
LCD_command(0x38, 1);
LCD_command(LCD_OFF, 1);
LCD_command(LCD_CLEAR, 1);
LCD_command(LCD_CURSOR, 1);
LCD_command(LCD_ON, 1);
}
int main(void)
{
uint8_t i;
int16_t sum;
MCU_initialize(); // initialize MCU
Delay_ms(50); // wait for system stabilization
LCD_initialize(); // initialize text LCD module
LCD_string(0x80, " ADC3 vs ADC2 "); // display title
LCD_string(0xC0, " +0.00[V] ");
Beep();
ADMUX = _BV(ADLAR) | _BV(MUX4) |
_BV(MUX3) | _BV(MUX1) | _BV(MUX0); // diffrential ADC3 vs ADC2 with gain 1
// (use left adjust and AREF)
ADCSRA = _BV(ADEN) | _BV(ADPS2) | _BV(ADPS1) | _BV(ADPS0); // ADC enable, 125kHz
Delay_us(200);
while (1) {
sum = 0;
for (i = 0; i < 16; i++) { // read ADC by 16 times
ADCSRA &= ~_BV(ADIF); // clear ADIF
ADCSRA |= _BV(ADSC); // start conversion
loop_until_bit_is_set(ADCSRA, ADIF);
sum += (ADCL + ADCH * 256) / 64; // add A/D result 16 times
Delay_ms(1);
}
sum = sum / 16; // divide sum by 16
LCD_command(0xC4); // display in voltage(+/-X.XX)
LCD_s1d2(sum * 5. / 512.); // Volt = sum*50/512
Delay_ms(200); // delay 200 ms
}
return 0;
}
static void
read_card(int off, char *buf)
{
LCD_command(1);
LCD_puts(INSCAR, sizeof(INSCAR));
DPRINTF(INSCAR);
while (FIO0PIN & (1 << 21));
DPRINTF("AQUI1\n");
/* Depois de qualquer operacao efetua uma leitura */
buf[0] = off;
/* Escreve o offset (endereco no smcard) */
escreve_i2c(0xa0, buf, 1);
DPRINTF("AQUI2\n");
/* Le 16 bytes a partir do offset */
le_i2c(0xa0, buf, 16);
buf[16] = '\0';
DPRINTF("AQUI3\n");
for (x = 0; x < 16; x++)
PrByte(buf[x]);
}
void LCD_init(void){
//setup the LCD control signals on PortC (RS and Enable as output)
DDRC |= ((1<<LCD_RS)|(1<<LCD_E));
PORTC &= ~((1<<LCD_RS)|(1<<LCD_E));// set both low
//setup the LCD control signals on PortD
DDRE |= ((1<<LCD_RD)|(1<<LCD_WR));// read and write pins (STK300 on PortG)
PORTE &= ~(1<<LCD_WR); // write pin low
// data Port A as output
DDRD = 0xFF;
/*if called right after power-up, we'll have to wait a bit (fine-tune
for faster execution) */
_delay_ms(50);
LCD_command(LCD_CLR); // clear display
LCD_command(LCD_8BIT); // set 8 data bits
LCD_command(LCD_INC); // cursor increments automatically
LCD_command(LCD_MOV); // cursor set to move
//LCD_command(LCD_ALL); // can call all instead of next line
LCD_command(LCD_ON | LCD_ON_DISPLAY | LCD_ON_CURSOR | LCD_ON_BLINK);
LCD_command(LCD_LINE1); // set cursor to row 1, position 0
}