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199 lines
4.2 KiB
199 lines
4.2 KiB
// *** 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::LCD_Write_Bus_8(char VL) |
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{ |
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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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} |
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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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