191 lines
4.2 KiB
C
191 lines
4.2 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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cport (PORTD, 0xF0);
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sport (PORTD, (VH & 0x0F));
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cport (PORTB, 0xF0);
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sport (PORTB, (VH & 0xF0)>>4);
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pulse_low(P_WR, B_WR);
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cport (PORTD, 0xF0);
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sport (PORTD, (VL & 0x0F));
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cport (PORTB, 0xF0);
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sport (PORTB, (VL & 0xF0)>>4);
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pulse_low(P_WR, B_WR);
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break;
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case 16:
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cport (PORTD, 0x90);
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sport (PORTD, (VH & 0x0F) | ((VL & 0x03)<<5));
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PORTB = ((VH & 0xF0)>>4) | ((VL & 0x3C)<<2);
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cport (PORTA, 0x3F);
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sport (PORTA, ((VL & 0x40)<<1) | ((VL & 0x80)>>1));
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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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cport (PORTD, 0xF0);
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sport (PORTD, (VH & 0x0F));
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cport (PORTB, 0xF0);
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sport (PORTB, (VH & 0xF0)>>4);
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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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cport (PORTD, 0xF0);
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sport (PORTD, (VL & 0x0F));
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cport (PORTB, 0xF0);
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sport (PORTB, (VL & 0xF0)>>4);
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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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DDRB |= 0x0F;
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DDRD |= 0x0F;
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if (mode==16)
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{
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DDRB = 0xFF;
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DDRD |= 0x6F;
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DDRA |= 0xC0;
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}
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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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long blocks;
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cport (PORTD, 0x90);
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sport (PORTD, (ch & 0x0F) | ((cl & 0x03)<<5));
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PORTB = ((ch & 0xF0)>>4) | ((cl & 0x3C)<<2);
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cport (PORTA, 0x3F);
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sport (PORTA, ((cl & 0x40)<<1) | ((cl & 0x80)>>1));
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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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}
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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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cport (PORTD, 0xF0);
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sport (PORTD, (ch & 0x0F));
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cport (PORTB, 0xF0);
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sport (PORTB, (ch & 0xF0)>>4);
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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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