240 lines
5.0 KiB
C
240 lines
5.0 KiB
C
// *** Hardwarespecific functions ***
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void UTFT::_hw_special_init()
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{
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}
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void UTFT::LCD_Writ_Bus(char VH,char VL, byte mode)
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{
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switch (mode)
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{
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case 1:
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if (display_serial_mode==SERIAL_4PIN)
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{
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if (VH==1)
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sbi(P_SDA, B_SDA);
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else
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cbi(P_SDA, B_SDA);
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pulse_low(P_SCL, B_SCL);
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}
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else
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{
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if (VH==1)
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sbi(P_RS, B_RS);
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else
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cbi(P_RS, B_RS);
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}
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if (VL & 0x80)
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sbi(P_SDA, B_SDA);
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else
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cbi(P_SDA, B_SDA);
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pulse_low(P_SCL, B_SCL);
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if (VL & 0x40)
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sbi(P_SDA, B_SDA);
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else
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cbi(P_SDA, B_SDA);
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pulse_low(P_SCL, B_SCL);
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if (VL & 0x20)
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sbi(P_SDA, B_SDA);
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else
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cbi(P_SDA, B_SDA);
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pulse_low(P_SCL, B_SCL);
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if (VL & 0x10)
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sbi(P_SDA, B_SDA);
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else
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cbi(P_SDA, B_SDA);
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pulse_low(P_SCL, B_SCL);
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if (VL & 0x08)
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sbi(P_SDA, B_SDA);
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else
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cbi(P_SDA, B_SDA);
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pulse_low(P_SCL, B_SCL);
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if (VL & 0x04)
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sbi(P_SDA, B_SDA);
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else
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cbi(P_SDA, B_SDA);
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pulse_low(P_SCL, B_SCL);
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if (VL & 0x02)
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sbi(P_SDA, B_SDA);
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else
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cbi(P_SDA, B_SDA);
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pulse_low(P_SCL, B_SCL);
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if (VL & 0x01)
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sbi(P_SDA, B_SDA);
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else
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cbi(P_SDA, B_SDA);
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pulse_low(P_SCL, B_SCL);
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break;
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case 8:
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#if defined(USE_UNO_SHIELD_ON_MEGA)
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PORTG &= ~0x20;
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PORTG |= (VH & 0x10)<<1;
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PORTH &= ~0x18;
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PORTH |= (VH & 0xC0)>>3;
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PORTE &= ~0x3B;
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PORTE |= (VH & 0x03) + ((VH & 0x0C)<<2) + ((VH & 0x20)>>2);
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pulse_low(P_WR, B_WR);
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PORTG &= ~0x20;
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PORTG |= (VL & 0x10)<<1;
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PORTH &= ~0x18;
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PORTH |= (VL & 0xC0)>>3;
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PORTE &= ~0x3B;
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PORTE |= (VL & 0x03) + ((VL & 0x0C)<<2) + ((VL & 0x20)>>2);
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pulse_low(P_WR, B_WR);
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#else
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PORTA = VH;
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pulse_low(P_WR, B_WR);
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PORTA = VL;
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pulse_low(P_WR, B_WR);
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#endif
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break;
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case 16:
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PORTA = VH;
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PORTC = VL;
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pulse_low(P_WR, B_WR);
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break;
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case LATCHED_16:
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PORTG &= ~0x20;
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PORTG |= (VH & 0x10)<<1;
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PORTH &= ~0x18;
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PORTH |= (VH & 0xC0)>>3;
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PORTE &= ~0x3B;
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PORTE |= (VH & 0x03) + ((VH & 0x0C)<<2) + ((VH & 0x20)>>2);
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cbi(P_ALE, B_ALE);
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pulse_high(P_ALE, B_ALE);
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cbi(P_CS, B_CS);
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PORTG &= ~0x20;
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PORTG |= (VL & 0x10)<<1;
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PORTH &= ~0x18;
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PORTH |= (VL & 0xC0)>>3;
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PORTE &= ~0x3B;
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PORTE |= (VL & 0x03) + ((VL & 0x0C)<<2) + ((VL & 0x20)>>2);
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pulse_low(P_WR, B_WR);
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sbi(P_CS, B_CS);
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break;
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}
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}
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void UTFT::_set_direction_registers(byte mode)
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{
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#if defined(USE_UNO_SHIELD_ON_MEGA)
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DDRH = 0x18;
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DDRG = 0x20;
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DDRE = 0x3B;
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#else
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if (mode!=LATCHED_16)
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{
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DDRA = 0xFF;
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if (mode==16)
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DDRC = 0xFF;
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}
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else
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{
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DDRH = 0x18;
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DDRG = 0x20;
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DDRE = 0x3B;
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}
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#endif
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}
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void UTFT::_fast_fill_16(int ch, int cl, long pix)
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{
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#if defined(USE_UNO_SHIELD_ON_MEGA)
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if (ch==cl)
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_fast_fill_8(ch, pix);
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else
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{
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for (int i=0; i<pix; i++)
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{
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PORTG &= ~0x20;
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PORTG |= (ch & 0x10)<<1;
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PORTH &= ~0x18;
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PORTH |= (ch & 0xC0)>>3;
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PORTE &= ~0x3B;
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PORTE |= (ch & 0x03) + ((ch & 0x0C)<<2) + ((ch & 0x20)>>2);
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pulse_low(P_WR, B_WR);
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PORTG &= ~0x20;
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PORTG |= (cl & 0x10)<<1;
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PORTH &= ~0x18;
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PORTH |= (cl & 0xC0)>>3;
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PORTE &= ~0x3B;
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PORTE |= (cl & 0x03) + ((cl & 0x0C)<<2) + ((cl & 0x20)>>2);
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pulse_low(P_WR, B_WR);
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}
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}
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#else
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long blocks;
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PORTA = ch;
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PORTC = cl;
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blocks = pix/16;
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for (int i=0; i<blocks; i++)
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{
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pulse_low(P_WR, B_WR);
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pulse_low(P_WR, B_WR);
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pulse_low(P_WR, B_WR);
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pulse_low(P_WR, B_WR);
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pulse_low(P_WR, B_WR);
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pulse_low(P_WR, B_WR);
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pulse_low(P_WR, B_WR);
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pulse_low(P_WR, B_WR);
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pulse_low(P_WR, B_WR);
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pulse_low(P_WR, B_WR);
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pulse_low(P_WR, B_WR);
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pulse_low(P_WR, B_WR);
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pulse_low(P_WR, B_WR);
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pulse_low(P_WR, B_WR);
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pulse_low(P_WR, B_WR);
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pulse_low(P_WR, B_WR);
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}
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if ((pix % 16) != 0)
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for (int i=0; i<(pix % 16)+1; i++)
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{
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pulse_low(P_WR, B_WR);
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}
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#endif
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}
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void UTFT::_fast_fill_8(int ch, long pix)
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{
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long blocks;
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#if defined(USE_UNO_SHIELD_ON_MEGA)
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PORTG &= ~0x20;
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PORTG |= (ch & 0x10)<<1;
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PORTH &= ~0x18;
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PORTH |= (ch & 0xC0)>>3;
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PORTE &= ~0x3B;
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PORTE |= (ch & 0x03) + ((ch & 0x0C)<<2) + ((ch & 0x20)>>2);
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#else
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PORTA = ch;
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#endif
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blocks = pix/16;
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for (int i=0; i<blocks; i++)
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{
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pulse_low(P_WR, B_WR);pulse_low(P_WR, B_WR);
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pulse_low(P_WR, B_WR);pulse_low(P_WR, B_WR);
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pulse_low(P_WR, B_WR);pulse_low(P_WR, B_WR);
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pulse_low(P_WR, B_WR);pulse_low(P_WR, B_WR);
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pulse_low(P_WR, B_WR);pulse_low(P_WR, B_WR);
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pulse_low(P_WR, B_WR);pulse_low(P_WR, B_WR);
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pulse_low(P_WR, B_WR);pulse_low(P_WR, B_WR);
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pulse_low(P_WR, B_WR);pulse_low(P_WR, B_WR);
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pulse_low(P_WR, B_WR);pulse_low(P_WR, B_WR);
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pulse_low(P_WR, B_WR);pulse_low(P_WR, B_WR);
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pulse_low(P_WR, B_WR);pulse_low(P_WR, B_WR);
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pulse_low(P_WR, B_WR);pulse_low(P_WR, B_WR);
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pulse_low(P_WR, B_WR);pulse_low(P_WR, B_WR);
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pulse_low(P_WR, B_WR);pulse_low(P_WR, B_WR);
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pulse_low(P_WR, B_WR);pulse_low(P_WR, B_WR);
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pulse_low(P_WR, B_WR);pulse_low(P_WR, B_WR);
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}
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if ((pix % 16) != 0)
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for (int i=0; i<(pix % 16)+1; i++)
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{
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pulse_low(P_WR, B_WR);pulse_low(P_WR, B_WR);
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}
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}
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