diff options
Diffstat (limited to 'libraries/MultiLCD/hardware/avr/HW_ATmega1280.h')
| -rw-r--r-- | libraries/MultiLCD/hardware/avr/HW_ATmega1280.h | 239 |
1 files changed, 239 insertions, 0 deletions
diff --git a/libraries/MultiLCD/hardware/avr/HW_ATmega1280.h b/libraries/MultiLCD/hardware/avr/HW_ATmega1280.h new file mode 100644 index 0000000..feb52c4 --- /dev/null +++ b/libraries/MultiLCD/hardware/avr/HW_ATmega1280.h @@ -0,0 +1,239 @@ +// *** 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)+1; 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)+1; i++) + { + pulse_low(P_WR, B_WR);pulse_low(P_WR, B_WR); + } +} |