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