static void LCD_3d(uint16_t number)
{ /* display 3-digit decimal number */
uint8_t i, flag;
flag = 0;
i = number / 100; // 10^2
if (i == 0)
LCD_data(' ');
else {
LCD_data(i + '0');
flag = 1;
}
number = number % 100; // 10^1
i = number / 10;
if ((i == 0) && (flag == 0))
LCD_data(' ');
else {
LCD_data(i + '0');
flag = 1;
}
i = number % 10; // 10^0
LCD_data(i + '0');
}
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)
{
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();
}
}
}
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);
}
static void LCD_1d1(float number)
{ /* floating-point number x.x */
uint16_t i, j;
j = (uint16_t) (number * 10. + 0.5);
i = j / 10; // 10^0
LCD_data(i + '0');
LCD_data('.');
i = j % 10; // 10^-1
LCD_data(i + '0');
}
void dis_data(unsigned char data)
{
char data1;
data1=data&0xF0; //takes higher nibble to send to LCD for 4 bit mode
LCD_data(data1);
data1=(data<<4)&0xF0; //takes lower nibble to send to LCd
LCD_data(data1);
}
static void LCD_2d(uint8_t number)
{ /* display 2-digit decimal number */
uint8_t i;
i = number / 10; // 10^1
if (i == 0)
LCD_data(' ');
else
LCD_data(i + '0');
i = number % 10; // 10^0
LCD_data(i + '0');
}
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;
}
static void LCD_2hex(uint8_t number)
{ /* display HEX number xxH */
uint8_t i;
i = number >> 4; // 16^1
if (i <= 9)
LCD_data(i + '0');
else
LCD_data(i - 10 + 'A');
i = number & 0x0F; // 16^0
if (i <= 9)
LCD_data(i + '0');
else
LCD_data(i - 10 + 'A');
}
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++;
}
}
static void LCD_s3d(int number)
{ /* display signed decimal number +xxx */
signed int i;
uint8_t flag;
flag = 0;
if (number >= 0)
LCD_data('+'); // sign
else
LCD_data('-');
number = abs(number);
i = number / 100; // 10^2
if (i == 0)
LCD_data(' ');
else {
LCD_data(i + '0');
flag = 1;
}
number = number % 100; // 10^1
i = number / 10;
if ((i == 0) && (flag == 0))
LCD_data(' ');
else
LCD_data(i + '0');
i = number % 10; // 10^0
LCD_data(i + '0');
}
static void LCD_s1d3(float number)
{ /* display signed real number +x.xxx */
uint16_t i, j;
if (number >= 0.0)
LCD_data('+'); // sign
else
LCD_data('-');
number = fabsf(number);
j = (int)(number * 1000. + 0.5);
i = j / 1000; // 10^0
LCD_data(i + '0');
LCD_data('.');
j = j % 1000; // 10^-1
i = j / 100;
LCD_data(i + '0');
j = j % 100; // 10^-2
i = j / 10;
LCD_data(i + '0');
i = j % 10; // 10^-3
LCD_data(i + '0');
}
void Write_LCD(unsigned char *str, unsigned char n)
{
while(*str && n)
{
LCD_data(*str); /* Passing address of a string to LCD data display function */
str++; /* Increments the address of a string variable */
n--;
}
}
void LCD_string(const rom char *buffer)
{
while(*buffer) // Write data to LCD up to null
{
LCD_isbusy(); // Wait while LCD is busy
LCD_data(*buffer); // Write character to LCD
buffer++; // Increment buffer
}
}
void LCD_string(unsigned char x, unsigned char y, char *string)
{
LCD_XY(x, y);
while (*string != '\0')
{
LCD_data(*string);
string++;
}
}
void Write_TIME_LCD(char *str)
{ unsigned char i=0;
LCD_cmd(0x80); /* LCD command - Force cursor to the bigining of first line */
while(i!=16)
{
LCD_data(*str); /* Passing address of a string to LCD data display function */
str++; /* String variable address increment */
i++;
}
str++; /* String variable address increment */
i=17;
LCD_cmd(0xC0); /* Force cursor to the bigining of the 2nd line */
while(i!=32)
{
LCD_data(*str); /* Passing address of a string to LCD data display function */
str++; /* String variable address increment */
i++;
}
}
void LCDProcessEvents() {
unsigned char p, c;
for (p = 0; p < 8; p++) {
LCD_comm(CMD_SET_PAGE | p);
LCD_comm(CMD_SET_COLUMN_LOWER | 0x00);
LCD_comm(CMD_SET_COLUMN_UPPER | 0x00);
for (c = 0; c < 128; c++) {
LCD_comm(CMD_RMW);
LCD_data(rpiData.lcd[(128 * p) + c]);
}
}
}
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();
}
}
}
// 86 screen offset
static void port0(CPU_t *cpu, device_t *dev) {
if (cpu->input) {
cpu->bus = 0;
cpu->input = FALSE;
} else if (cpu->output) {
dev->aux = (LPVOID) (0x100 * ((cpu->bus % 0x40) + 0xC0));
port10(cpu, dev);
cpu->pio.devices[0x10].aux = dev->aux;
cpu->output = FALSE;
device_t lcd_dev;
lcd_dev.aux = cpu->pio.lcd;
LCD_data(cpu, &lcd_dev);
}
return;
}
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]);
}
static void LCD_s1d2(float number)
{ /* floating-point number x.xx */
uint16_t i, j;
if (number >= 0.)
LCD_data('+'); // sign +/-
else
LCD_data('-');
j = (int)(fabs(number) * 100. + 0.5);
i = j / 100; // 10^0
LCD_data(i + '0');
LCD_data('.');
j = j % 100; // 10^-1
i = j / 10;
LCD_data(i + '0');
i = j % 10; // 10^-2
LCD_data(i + '0');
}
static void LCD_2d2(float number)
{ /* floating-point number xx.xx */
uint8_t i, j;
j = (int32_t) (number * 100. + 0.5);
i = j / 1000; // 10^1
if (i == 0)
LCD_data(' ');
else
LCD_data(i + '0');
j = j % 1000; // 10^0
i = j / 100;
LCD_data(i + '0');
LCD_data('.');
j = j % 100; // 10^-1
i = j / 10;
LCD_data(i + '0');
i = j % 10; // 10^-2
LCD_data(i + '0');
}
static void LCD_2digit(uint8_t number)
{ /* display 2-digit decimal number */
LCD_data(number / 10 + '0'); // 10^1
LCD_data(number % 10 + '0'); // 10^0
}
void LCD_init() {
int time = 0;
LCD_command(CMD_SWRESET);//software reset
time = _CP0_GET_COUNT();
while (_CP0_GET_COUNT() < time + 48000000/2/2) {} //delay(500);
LCD_command(CMD_SLPOUT);//exit sleep
time = _CP0_GET_COUNT();
while (_CP0_GET_COUNT() < time + 48000000/2/200) {} //delay(5);
LCD_command(CMD_PIXFMT);//Set Color Format 16bit
LCD_data(0x05);
time = _CP0_GET_COUNT();
while (_CP0_GET_COUNT() < time + 48000000/2/200) {} //delay(5);
LCD_command(CMD_GAMMASET);//default gamma curve 3
LCD_data(0x04);//0x04
time = _CP0_GET_COUNT();
while (_CP0_GET_COUNT() < time + 48000000/2/1000) {} //delay(1);
LCD_command(CMD_GAMRSEL);//Enable Gamma adj
LCD_data(0x01);
time = _CP0_GET_COUNT();
while (_CP0_GET_COUNT() < time + 48000000/2/1000) {} //delay(1);
LCD_command(CMD_NORML);
LCD_command(CMD_DFUNCTR);
LCD_data(0b11111111);
LCD_data(0b00000110);
int i = 0;
LCD_command(CMD_PGAMMAC);//Positive Gamma Correction Setting
for (i=0;i<15;i++){
LCD_data(pGammaSet[i]);
}
LCD_command(CMD_NGAMMAC);//Negative Gamma Correction Setting
for (i=0;i<15;i++){
LCD_data(nGammaSet[i]);
}
LCD_command(CMD_FRMCTR1);//Frame Rate Control (In normal mode/Full colors)
LCD_data(0x08);//0x0C//0x08
LCD_data(0x02);//0x14//0x08
time = _CP0_GET_COUNT();
while (_CP0_GET_COUNT() < time + 48000000/2/1000) {} //delay(1);
LCD_command(CMD_DINVCTR);//display inversion
LCD_data(0x07);
time = _CP0_GET_COUNT();
while (_CP0_GET_COUNT() < time + 48000000/2/1000) {} //delay(1);
LCD_command(CMD_PWCTR1);//Set VRH1[4:0] & VC[2:0] for VCI1 & GVDD
LCD_data(0x0A);//4.30 - 0x0A
LCD_data(0x02);//0x05
time = _CP0_GET_COUNT();
while (_CP0_GET_COUNT() < time + 48000000/2/1000) {} //delay(1);
LCD_command(CMD_PWCTR2);//Set BT[2:0] for AVDD & VCL & VGH & VGL
LCD_data(0x02);
time = _CP0_GET_COUNT();
while (_CP0_GET_COUNT() < time + 48000000/2/1000) {} //delay(1);
LCD_command(CMD_VCOMCTR1);//Set VMH[6:0] & VML[6:0] for VOMH & VCOML
LCD_data(0x50);//0x50
LCD_data(99);//0x5b
time = _CP0_GET_COUNT();
while (_CP0_GET_COUNT() < time + 48000000/2/1000) {} //delay(1);
LCD_command(CMD_VCOMOFFS);
LCD_data(0);//0x40
time = _CP0_GET_COUNT();
while (_CP0_GET_COUNT() < time + 48000000/2/1000) {} //delay(1);
LCD_command(CMD_CLMADRS);//Set Column Address
LCD_data16(0x00);
LCD_data16(_GRAMWIDTH);
LCD_command(CMD_PGEADRS);//Set Page Address
LCD_data16(0x00);
LCD_data16(_GRAMHEIGH);
LCD_command(CMD_VSCLLDEF);
LCD_data16(0); // __OFFSET
LCD_data16(_GRAMHEIGH); // _GRAMHEIGH - __OFFSET
LCD_data16(0);
LCD_command(CMD_MADCTL); // rotation
LCD_data(0b00001000); // bit 3 0 for RGB, 1 for GBR, rotation: 0b00001000, 0b01101000, 0b11001000, 0b10101000
LCD_command(CMD_DISPON);//display ON
time = _CP0_GET_COUNT();
while (_CP0_GET_COUNT() < time + 48000000/2/1000) {} //delay(1);
LCD_command(CMD_RAMWR);//Memory Write
}
void LCD_command_1D(short command, short data) {
LCD_data(data);
LCD_command(command);
}
void LCD_command_2D(short command, int data) {
LCD_data(data & 0xFF);
LCD_data((data >> 8) & 0xFF);
LCD_command(command);
}
