void LCDCharacter(char character)
{
uint8_t index;
SendLCD(DATA, 0x00);
for (index = 0; index < 5; index++)
{
SendLCD(DATA, ASCII[character - 0x20][index]);
}
SendLCD(DATA, 0x00);
}
void ClearLCD()
{
int i;
#ifdef _8051f120
LCD_rst = 1;
LCD_en = 0;
LCD_cs = 1;
#else
#endif
SendLCD(0,0x32); // control 1
SendLCD(0x1,0x7);
SendLCD(0x2,0x1d);
SendLCD(0x3,0x3f); // DETERMIN HOW MANY POINTS ON THE LCD 101 - 6 DOTS
SendLCD(LCD_ADDRESS_LO,0x00); // START LCD ADDRESS 1
SendLCD(LCD_ADDRESS_HI,0x00); // START LCD ADDRESS 2
SendLCD(LCD_CURSOR_ADDRESS_LO,0x00); // set cursor address 1
SendLCD(LCD_CURSOR_ADDRESS_HI,0x00); // set cursor address 2
for (i=1920; i > 0; i--) // go over all the chars and zero them
{
SendLCD(LCD_CHAR_REG, 0x00); // put 8 bit to LCD
}
}
int LCDClear(void)
{
uint16_t i;
for ( i = 0; i < LCDWIDTH*LCDHEIGHT/8 ; i++)
SendLCD(DATA,0x00);
}
void LCDPlotbits(UCHAR inX, UCHAR inY, UCHAR inBit) // draws a 8bit to the screen
{
// calc the posision in the LCD
UINT pos;
UCHAR addrLow, addrHi;
pos = (inY * LCD_CHARS_IN_LINE) + inX;
//addrLow = &(UCHAR)pos;
//addrHi = addrLow +1;
addrLow = pos;
addrHi = pos>>8;
SendLCD(LCD_CURSOR_ADDRESS_LO,addrLow); // START LCD ADDRESS 1
SendLCD(LCD_CURSOR_ADDRESS_HI,addrHi); // START LCD ADDRESS 2
//printf("Hi %d, Low %d, POS %d\r\n", addrHi, addrLow, pos);
SendLCD(LCD_BITS_REG_SET, inBit); // put 8 bit to LCD
}
void LCDInit(uint8_t CLK, uint8_t DIN , uint8_t DC , uint8_t CE ,uint8_t RST,uint8_t CONTRAST)
{
LCDCtrl.CLK = CLK;
LCDCtrl.DIN = DIN;
LCDCtrl.DC = DC;
LCDCtrl.CE = CE;
LCDCtrl.RST = RST;
LCDCtrl.CONTRAST = CONTRAST;
pinMode(LCDCtrl.CLK , OUTPUT);
pinMode(LCDCtrl.DIN , OUTPUT);
pinMode(LCDCtrl.DC , OUTPUT);
pinMode(LCDCtrl.CE , OUTPUT);
pinMode(LCDCtrl.RST , OUTPUT);
#if 0
// Reset the controller state...
digitalWrite(LCDCtrl.RST, HIGH);
digitalWrite(LCDCtrl.CE, HIGH);
digitalWrite(LCDCtrl.RST, LOW);
delay(100);
digitalWrite(LCDCtrl.RST, HIGH);
// Set the LCD parameters...
SendLCD(CMD, 0x21); // extended instruction set control (H=1)
SendLCD(CMD, 0x13); // bias system (1:48)
// if (this->model == CHIP_ST7576) {
// SendLCD(CMD, 0xe0); // higher Vop, too faint at default
// SendLCD(CMD, 0x05); // partial display mode
// } else {
SendLCD(CMD, 0xc2); // default Vop (3.06 + 66 * 0.06 = 7V)
// }
SendLCD(CMD, 0x20); // extended instruction set control (H=0)
SendLCD(CMD, 0x09); // all display segments on
// Clear RAM contents...
LCDClear();
// Activate LCD...
SendLCD(CMD, 0x08); // display blank
SendLCD(CMD, 0x0c); // normal mode (0x0d = inverse mode)
delay(100);
// Place the cursor at the origin...
SendLCD(CMD, 0x80);
SendLCD(CMD, 0x40);
#else
digitalWrite(LCDCtrl.CE , LOW);
digitalWrite(LCDCtrl.RST, LOW);
digitalWrite(LCDCtrl.RST, HIGH);
digitalWrite(LCDCtrl.CE , HIGH);
SendLCD(CMD,0x21);
SendLCD(CMD,0xB2);
SendLCD(CMD,0x04);
SendLCD(CMD,0x14);
SendLCD(CMD,0x0C);
SendLCD(LOW, 0x20);
SendLCD(LOW, 0x0C);
#endif
//Setup Contrast
SendLCD(CMD, 0x21); // extended instruction set control (H=1)
SendLCD(CMD, 0x80 | (LCDCtrl.CONTRAST & 0x7f));
SendLCD(CMD, 0x20); // extended instruction set control (H=0)
LCDClear();
}
void gotoXY(uint8_t x, uint8_t y)
{
SendLCD( 0, 0x80 | x); // Column.
SendLCD( 0, 0x40 | y); // Row.
}
