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HW_ATmega1280.h
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HW_ATmega1280.h
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// *** 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<pix; i++)
{
PORTG &= ~0x20;
PORTG |= (ch & 0x10)<<1;
PORTH &= ~0x18;
PORTH |= (ch & 0xC0)>>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<blocks; i++)
{
pulse_low(P_WR, B_WR);
pulse_low(P_WR, B_WR);
pulse_low(P_WR, B_WR);
pulse_low(P_WR, B_WR);
pulse_low(P_WR, B_WR);
pulse_low(P_WR, B_WR);
pulse_low(P_WR, B_WR);
pulse_low(P_WR, B_WR);
pulse_low(P_WR, B_WR);
pulse_low(P_WR, B_WR);
pulse_low(P_WR, B_WR);
pulse_low(P_WR, B_WR);
pulse_low(P_WR, B_WR);
pulse_low(P_WR, B_WR);
pulse_low(P_WR, B_WR);
pulse_low(P_WR, B_WR);
}
if ((pix % 16) != 0)
for (int i=0; i<(pix % 16); i++)
{
pulse_low(P_WR, B_WR);
}
#endif
}
void UTFT::_fast_fill_8(int ch, long pix)
{
long blocks;
#if defined(USE_UNO_SHIELD_ON_MEGA)
PORTG &= ~0x20;
PORTG |= (ch & 0x10)<<1;
PORTH &= ~0x18;
PORTH |= (ch & 0xC0)>>3;
PORTE &= ~0x3B;
PORTE |= (ch & 0x03) + ((ch & 0x0C)<<2) + ((ch & 0x20)>>2);
#else
PORTA = ch;
#endif
blocks = pix/16;
for (int i=0; i<blocks; i++)
{
pulse_low(P_WR, B_WR);pulse_low(P_WR, B_WR);
pulse_low(P_WR, B_WR);pulse_low(P_WR, B_WR);
pulse_low(P_WR, B_WR);pulse_low(P_WR, B_WR);
pulse_low(P_WR, B_WR);pulse_low(P_WR, B_WR);
pulse_low(P_WR, B_WR);pulse_low(P_WR, B_WR);
pulse_low(P_WR, B_WR);pulse_low(P_WR, B_WR);
pulse_low(P_WR, B_WR);pulse_low(P_WR, B_WR);
pulse_low(P_WR, B_WR);pulse_low(P_WR, B_WR);
pulse_low(P_WR, B_WR);pulse_low(P_WR, B_WR);
pulse_low(P_WR, B_WR);pulse_low(P_WR, B_WR);
pulse_low(P_WR, B_WR);pulse_low(P_WR, B_WR);
pulse_low(P_WR, B_WR);pulse_low(P_WR, B_WR);
pulse_low(P_WR, B_WR);pulse_low(P_WR, B_WR);
pulse_low(P_WR, B_WR);pulse_low(P_WR, B_WR);
pulse_low(P_WR, B_WR);pulse_low(P_WR, B_WR);
pulse_low(P_WR, B_WR);pulse_low(P_WR, B_WR);
}
if ((pix % 16) != 0)
for (int i=0; i<(pix % 16); i++)
{
pulse_low(P_WR, B_WR);pulse_low(P_WR, B_WR);
}
}