📄 3510i.c
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#include "3510i.h"
void LCD_Delay(void)
{
uint16_t i;
for(i = 0; i < 32768; i ++)
asm("NOP");
}
void LCD_Reset(void)
{
cbi(LCD_RST_PORT, LCD_RST); //set RST = L
LCD_Delay();
sbi(LCD_RST_PORT, LCD_RST); //set RST = H
LCD_Delay();
}
void LCD_SendCommand(uint8_t cmd)
{
sbi(LCD_SIO_DDR, LCD_SIO); //set SDI.DDR = 1
cbi(LCD_CS_PORT, LCD_CS); //set CS = L
cbi(LCD_SCL_PORT, LCD_SCL); //set SCK = L
cbi(LCD_SIO_PORT, LCD_SIO); //send 0, for command
sbi(LCD_SCL_PORT, LCD_SCL); //set SCK = H, latch data
//Bit 0(MSB)
cbi(LCD_SCL_PORT, LCD_SCL);
if(cmd & 0x80)
sbi(LCD_SIO_PORT, LCD_SIO);
else
cbi(LCD_SIO_PORT, LCD_SIO);
sbi(LCD_SCL_PORT, LCD_SCL);
//Bit 1
cbi(LCD_SCL_PORT, LCD_SCL);
if(cmd & 0x40)
sbi(LCD_SIO_PORT, LCD_SIO);
else
cbi(LCD_SIO_PORT, LCD_SIO);
sbi(LCD_SCL_PORT, LCD_SCL);
//Bit 2
cbi(LCD_SCL_PORT, LCD_SCL);
if(cmd & 0x20)
sbi(LCD_SIO_PORT, LCD_SIO);
else
cbi(LCD_SIO_PORT, LCD_SIO);
sbi(LCD_SCL_PORT, LCD_SCL);
//Bit 3
cbi(LCD_SCL_PORT, LCD_SCL);
if(cmd & 0x10)
sbi(LCD_SIO_PORT, LCD_SIO);
else
cbi(LCD_SIO_PORT, LCD_SIO);
sbi(LCD_SCL_PORT, LCD_SCL);
//Bit 4
cbi(LCD_SCL_PORT, LCD_SCL);
if(cmd & 0x08)
sbi(LCD_SIO_PORT, LCD_SIO);
else
cbi(LCD_SIO_PORT, LCD_SIO);
sbi(LCD_SCL_PORT, LCD_SCL);
//Bit 5
cbi(LCD_SCL_PORT, LCD_SCL);
if(cmd & 0x04)
sbi(LCD_SIO_PORT, LCD_SIO);
else
cbi(LCD_SIO_PORT, LCD_SIO);
sbi(LCD_SCL_PORT, LCD_SCL);
//Bit 6
cbi(LCD_SCL_PORT, LCD_SCL);
if(cmd & 0x02)
sbi(LCD_SIO_PORT, LCD_SIO);
else
cbi(LCD_SIO_PORT, LCD_SIO);
sbi(LCD_SCL_PORT, LCD_SCL);
//Bit 7(LSB)
cbi(LCD_SCL_PORT, LCD_SCL);
if(cmd & 0x01)
sbi(LCD_SIO_PORT, LCD_SIO);
else
cbi(LCD_SIO_PORT, LCD_SIO);
sbi(LCD_SCL_PORT, LCD_SCL);
//done
}
void LCD_SendData(uint8_t data)
{
sbi(LCD_SIO_DDR, LCD_SIO); //set SDI.DDR = 1
cbi(LCD_CS_PORT, LCD_CS); //set CS = L
cbi(LCD_SCL_PORT, LCD_SCL); //set SCK = L
sbi(LCD_SIO_PORT, LCD_SIO); //send 1, for command
sbi(LCD_SCL_PORT, LCD_SCL); //set SCK = H, latch data
//Bit 0(MSB)
cbi(LCD_SCL_PORT, LCD_SCL);
if(data & 0x80)
sbi(LCD_SIO_PORT, LCD_SIO);
else
cbi(LCD_SIO_PORT, LCD_SIO);
sbi(LCD_SCL_PORT, LCD_SCL);
//Bit 1
cbi(LCD_SCL_PORT, LCD_SCL);
if(data & 0x40)
sbi(LCD_SIO_PORT, LCD_SIO);
else
cbi(LCD_SIO_PORT, LCD_SIO);
sbi(LCD_SCL_PORT, LCD_SCL);
//Bit 2
cbi(LCD_SCL_PORT, LCD_SCL);
if(data & 0x20)
sbi(LCD_SIO_PORT, LCD_SIO);
else
cbi(LCD_SIO_PORT, LCD_SIO);
sbi(LCD_SCL_PORT, LCD_SCL);
//Bit 3
cbi(LCD_SCL_PORT, LCD_SCL);
if(data & 0x10)
sbi(LCD_SIO_PORT, LCD_SIO);
else
cbi(LCD_SIO_PORT, LCD_SIO);
sbi(LCD_SCL_PORT, LCD_SCL);
//Bit 4
cbi(LCD_SCL_PORT, LCD_SCL);
if(data & 0x08)
sbi(LCD_SIO_PORT, LCD_SIO);
else
cbi(LCD_SIO_PORT, LCD_SIO);
sbi(LCD_SCL_PORT, LCD_SCL);
//Bit 5
cbi(LCD_SCL_PORT, LCD_SCL);
if(data & 0x04)
sbi(LCD_SIO_PORT, LCD_SIO);
else
cbi(LCD_SIO_PORT, LCD_SIO);
sbi(LCD_SCL_PORT, LCD_SCL);
//Bit 6
cbi(LCD_SCL_PORT, LCD_SCL);
if(data & 0x02)
sbi(LCD_SIO_PORT, LCD_SIO);
else
cbi(LCD_SIO_PORT, LCD_SIO);
sbi(LCD_SCL_PORT, LCD_SCL);
//Bit 7(LSB)
cbi(LCD_SCL_PORT, LCD_SCL);
if(data & 0x01)
sbi(LCD_SIO_PORT, LCD_SIO);
else
cbi(LCD_SIO_PORT, LCD_SIO);
sbi(LCD_SCL_PORT, LCD_SCL);
//done
}
void LCD_ReadDummy(void)
{
cbi(LCD_SIO_DDR, LCD_SIO); //set SDI.DDR = 0
sbi(LCD_SIO_PORT, LCD_SIO);
cbi(LCD_CS_PORT, LCD_CS); //set CS = L
cbi(LCD_SCL_PORT, LCD_SCL);
sbi(LCD_SCL_PORT, LCD_SCL);
}
uint16_t LCD_ReadData(void)
{
uint16_t r = 0;
cbi(LCD_SIO_DDR, LCD_SIO); //set SDI.DDR = 0
sbi(LCD_SIO_PORT, LCD_SIO);
cbi(LCD_CS_PORT, LCD_CS); //set CS = L
//Bit 0(MSB)
cbi(LCD_SCL_PORT, LCD_SCL);
sbi(LCD_SCL_PORT, LCD_SCL);
if(bit_is_set(LCD_SIO_PIN, LCD_SIO))
r |= 0x800;
else
r &= ~0x800;
//Bit 1
cbi(LCD_SCL_PORT, LCD_SCL);
sbi(LCD_SCL_PORT, LCD_SCL);
if(bit_is_set(LCD_SIO_PIN, LCD_SIO))
r |= 0x400;
else
r &= ~0x400;
//Bit 2
cbi(LCD_SCL_PORT, LCD_SCL);
sbi(LCD_SCL_PORT, LCD_SCL);
if(bit_is_set(LCD_SIO_PIN, LCD_SIO))
r |= 0x200;
else
r &= ~0x200;
//Bit 3
cbi(LCD_SCL_PORT, LCD_SCL);
sbi(LCD_SCL_PORT, LCD_SCL);
if(bit_is_set(LCD_SIO_PIN, LCD_SIO))
r |= 0x100;
else
r &= ~0x100;
//Bit 4
cbi(LCD_SCL_PORT, LCD_SCL);
sbi(LCD_SCL_PORT, LCD_SCL);
if(bit_is_set(LCD_SIO_PIN, LCD_SIO))
r |= 0x080;
else
r &= ~0x080;
//Bit 5
cbi(LCD_SCL_PORT, LCD_SCL);
sbi(LCD_SCL_PORT, LCD_SCL);
if(bit_is_set(LCD_SIO_PIN, LCD_SIO))
r |= 0x040;
else
r &= ~0x040;
//Bit 6
cbi(LCD_SCL_PORT, LCD_SCL);
sbi(LCD_SCL_PORT, LCD_SCL);
if(bit_is_set(LCD_SIO_PIN, LCD_SIO))
r |= 0x020;
else
r &= ~0x020;
//Bit 7
cbi(LCD_SCL_PORT, LCD_SCL);
sbi(LCD_SCL_PORT, LCD_SCL);
if(bit_is_set(LCD_SIO_PIN, LCD_SIO))
r |= 0x010;
else
r &= ~0x010;
//Bit 8
cbi(LCD_SCL_PORT, LCD_SCL);
sbi(LCD_SCL_PORT, LCD_SCL);
if(bit_is_set(LCD_SIO_PIN, LCD_SIO))
r |= 0x008;
else
r &= ~0x008;
//Bit 9
cbi(LCD_SCL_PORT, LCD_SCL);
sbi(LCD_SCL_PORT, LCD_SCL);
if(bit_is_set(LCD_SIO_PIN, LCD_SIO))
r |= 0x004;
else
r &= ~0x004;
//Bit 10
cbi(LCD_SCL_PORT, LCD_SCL);
sbi(LCD_SCL_PORT, LCD_SCL);
if(bit_is_set(LCD_SIO_PIN, LCD_SIO))
r |= 0x002;
else
r &= ~0x002;
//Bit 11(LSB)
cbi(LCD_SCL_PORT, LCD_SCL);
sbi(LCD_SCL_PORT, LCD_SCL);
if(bit_is_set(LCD_SIO_PIN, LCD_SIO))
r |= 0x001;
else
r &= ~0x001;
//done
return r;
}
void LCD_Initialize(void)
{
uint8_t i;
sbi(LCD_RST_PORT, LCD_RST); //set RST = H
sbi(LCD_RST_DDR, LCD_RST); //set RST.DDR = 1
sbi(LCD_CS_PORT, LCD_CS); //set CS = H
sbi(LCD_CS_DDR, LCD_CS); //set CS.DDR = 1
cbi(LCD_SIO_PORT, LCD_SIO); //set SDI = L
cbi(LCD_SIO_DDR, LCD_SIO); //set SDI.DDR = 0
sbi(LCD_SCL_PORT, LCD_SCL); //set SCK = H
sbi(LCD_SCL_DDR, LCD_SCL); //set SCK.DDR = 1
LCD_Reset();
LCD_SendCommand(0x01); //software reset
LCD_DataOver();
LCD_Delay();
LCD_SendCommand(0xc6); //initial escape
LCD_DataOver();
LCD_SendCommand(0xb9); //refresh set
LCD_SendData(0x00);
LCD_DataOver();
LCD_SendCommand(0xb6); //display control
LCD_SendData(0x80);
LCD_SendData(0x80);
LCD_SendData(0x81);
LCD_SendData(84);
LCD_SendData(69);
LCD_SendData(82);
LCD_SendData(67);
LCD_DataOver();
LCD_SendCommand(0xb3); //gray scale position set
LCD_SendData(1);
LCD_SendData(2);
LCD_SendData(4);
LCD_SendData(8);
LCD_SendData(16);
LCD_SendData(30);
LCD_SendData(40);
LCD_SendData(50);
LCD_SendData(60);
LCD_SendData(70);
LCD_SendData(80);
LCD_SendData(90);
LCD_SendData(100);
LCD_SendData(110);
LCD_SendData(127);
LCD_DataOver();
LCD_SendCommand(0xb5); //gamma curve set
LCD_SendData(0x01);
LCD_DataOver();
LCD_SendCommand(0xbd); //common driver output select
LCD_SendData(0x00);
LCD_DataOver();
LCD_SendCommand(0xbe); //power control
LCD_SendData(0x04);
LCD_DataOver();
LCD_SendCommand(0x11); //sleep out
LCD_DataOver();
LCD_SendCommand(0xba); //voltage control
LCD_SendData(127);
LCD_SendData(3);
LCD_DataOver();
LCD_SendCommand(0xb7); //temperature gradient set
for(i = 0; i < 14; i ++)
LCD_SendData(0x00);
LCD_DataOver();
LCD_SendCommand(0x29); //display ON
LCD_DataOver();
LCD_SendCommand(0x03); //booster voltage ON
LCD_DataOver();
LCD_Delay();
LCD_SendCommand(0x20); //display inversion OFF
LCD_DataOver();
LCD_SendCommand(0x25); //write contrast
LCD_SendData(72);
LCD_DataOver();
LCD_BGColor = 0x000;
LCD_PenColor = 0xfff;
}
void LCD_ClearScreen(void)
{
uint8_t x, y;
LCD_SendCommand(0x2a); //column address set
LCD_SendData(0);
LCD_SendData(97);
LCD_DataOver();
LCD_SendCommand(0x2b); //page address set
LCD_SendData(0);
LCD_SendData(66);
LCD_DataOver();
LCD_SendCommand(0x2c); //memory write
for(y = 0; y < 67; y ++)
for(x = 0; x < 98; x += 2)
{
LCD_SendData(LCD_BGColor >> 4);
LCD_SendData(((LCD_BGColor & 0x00f) << 4) | (LCD_BGColor >> 8));
LCD_SendData(LCD_BGColor & 0x0ff);
}
LCD_DataOver();
}
void LCD_BlockWrite(uint8_t x1, uint8_t y1, uint8_t x2, uint8_t y2, uint8_t *b)
{
uint8_t x, y;
LCD_SendCommand(0x2a); //column address set
LCD_SendData(x1);
LCD_SendData(x2);
LCD_DataOver();
LCD_SendCommand(0x2b); //page address set
LCD_SendData(y1);
LCD_SendData(y2);
LCD_DataOver();
LCD_SendCommand(0x2c); //memory write
for(y = y1; y <= y2; y ++)
for(x = x1; x <= x2; x += 2)
{
LCD_SendData(*(b ++));
LCD_SendData(*(b ++));
LCD_SendData(*(b ++));
}
LCD_DataOver();
}
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