void LCD_Initial(void)
{
LCD_InitPort();
Delay_us(45000);
//LCD_PSB(1); //并口方式
LCD_RST(1);
Delay_us(100);
LCD_RST(0); //液晶复位 低电平有效
Delay_us(60000);
LCD_RST(1); //置高电平等待复位
// Delay_us(10000);
Delay_us(60000);
WriteCommandLCD(0x30); //显示模式设置,开始要求每次检测忙信号
Delay_us(1000);
WriteCommandLCD(0x30); //显示模式设置,开始要求每次检测忙信号
Delay_us(1000);
// WriteCommandLCD(0x02); //显示清屏
WriteCommandLCD(0x01); // 显示开及光标设置
Delay_us(15000);
WriteCommandLCD(0x06); // 显示光标移动设置
Delay_us(10000);
WriteCommandLCD(0x0C); // 显示开及光标设置
Delay_us(1000);
//WriteCommandLCD(0x80); // 显示开及光标设置
}
static void ili9325sim_init(void)
{
pr_info("%s +++\n", __func__);
LCD_CS(1);
LCD_SCL(1);
LCD_SI(1);
LCD_RST(1);
mdelay(1);
// Reset LCD
LCD_RST(0);
mdelay(10);
LCD_RST(1);
mdelay(100);
//************* Start Initial Sequence **********//
LCD_ILI9481_CMD(0x11);
LCD_ILI9481_CMD(0xD0);
LCD_ILI9481_INDEX(0x07);
LCD_ILI9481_INDEX(0x41);
LCD_ILI9481_INDEX(0x15);
LCD_ILI9481_CMD(0xD1);
LCD_ILI9481_INDEX(0x00);
LCD_ILI9481_INDEX(0x13);
LCD_ILI9481_INDEX(0x11);
LCD_ILI9481_CMD(0xD2);
LCD_ILI9481_INDEX(0x01);
LCD_ILI9481_INDEX(0x11);
LCD_ILI9481_CMD(0xC0);
LCD_ILI9481_INDEX(0x10);
LCD_ILI9481_INDEX(0x3B);
LCD_ILI9481_INDEX(0x00);
LCD_ILI9481_INDEX(0x02);
LCD_ILI9481_INDEX(0x11);
LCD_ILI9481_INDEX(0x00);
LCD_ILI9481_CMD(0xC5);
LCD_ILI9481_INDEX(0x03);
LCD_ILI9481_CMD(0xB4);
LCD_ILI9481_INDEX(0x10);//rgb interface
LCD_ILI9481_CMD(0xB3);
LCD_ILI9481_INDEX(0x02);
LCD_ILI9481_INDEX(0x00);
LCD_ILI9481_INDEX(0x00);
LCD_ILI9481_INDEX(0x20);
// LCD_ILI9481_CMD(0xC6);
// LCD_ILI9481_INDEX(0x80);
LCD_ILI9481_CMD(0x3A);
LCD_ILI9481_INDEX(0x66);
LCD_ILI9481_CMD(0xC8);
LCD_ILI9481_INDEX(0x00);
LCD_ILI9481_INDEX(0x66);
LCD_ILI9481_INDEX(0x15);
LCD_ILI9481_INDEX(0x24);
LCD_ILI9481_INDEX(0x00);
LCD_ILI9481_INDEX(0x08);
LCD_ILI9481_INDEX(0x26);
LCD_ILI9481_INDEX(0x11);
LCD_ILI9481_INDEX(0x77);
LCD_ILI9481_INDEX(0x42);
LCD_ILI9481_INDEX(0x08);
LCD_ILI9481_INDEX(0x00);
LCD_ILI9481_CMD(0x0B);
LCD_ILI9481_INDEX(0x00);
LCD_ILI9481_INDEX(0x80);
LCD_ILI9481_CMD(0xF0);
LCD_ILI9481_INDEX(0x08);
LCD_ILI9481_CMD(0xF6);
LCD_ILI9481_INDEX(0x84);
LCD_ILI9481_CMD(0xF3);
LCD_ILI9481_INDEX(0x00);
LCD_ILI9481_INDEX(0x2A);
LCD_ILI9481_CMD(0x36);
LCD_ILI9481_INDEX(0x0A);
mdelay(10);
LCD_ILI9481_CMD(0x29);
LCD_ILI9481_CMD(0x2C);
pr_info("%s ---\n", __func__);
}
// LCD Reset Sequence is copied from
// internet sources. There are a number of
// command registers needed to be set, some of
// which I wonder what they are being used for?
void LCD_Reset()
{
//int i;
LCD_CS(1); // cs high
LCD_DC(1); // dc high
LCD_RST(0); // display reset
// wait_us(50);
Delay(1); // Delay 1 ms
LCD_RST(1); // end hardware reset
Delay(5);
LCD_Cmd(0x01); // SW reset
Delay(5);
LCD_Cmd(0x28); // display off
/* Start Initial Sequence */
LCD_Cmd(0xCF);
SSP0_Write(0x00);
SSP0_Write(0x83);
SSP0_Write(0x30);
SSP0_WaitBusy();
LCD_CS(1);
LCD_Cmd(0xED);
SSP0_Write(0x64);
SSP0_Write(0x03);
SSP0_Write(0x12);
SSP0_Write(0x81);
SSP0_WaitBusy();
LCD_CS(1);
LCD_Cmd(0xE8);
SSP0_Write(0x85);
SSP0_Write(0x01);
SSP0_Write(0x79);
SSP0_WaitBusy();
LCD_CS(1);
LCD_Cmd(0xCB);
SSP0_Write(0x39);
SSP0_Write(0x2C);
SSP0_Write(0x00);
SSP0_Write(0x34);
SSP0_Write(0x02);
SSP0_WaitBusy();
LCD_CS(1);
LCD_Cmd(0xF7);
SSP0_Write(0x20);
SSP0_WaitBusy();
LCD_CS(1);
LCD_Cmd(0xEA);
SSP0_Write(0x00);
SSP0_Write(0x00);
SSP0_WaitBusy();
LCD_CS(1);
LCD_Cmd(0xC0); // POWER_CONTROL_1
SSP0_Write(0x26);
SSP0_WaitBusy();
LCD_CS(1);
LCD_Cmd(0xC1); // POWER_CONTROL_2
SSP0_Write(0x11);
SSP0_WaitBusy();
LCD_CS(1);
LCD_Cmd(0xC5); // VCOM_CONTROL_1
SSP0_Write(0x35);
SSP0_Write(0x3E);
SSP0_WaitBusy();
LCD_CS(1);
LCD_Cmd(0xC7); // VCOM_CONTROL_2
SSP0_Write(0xBE);
SSP0_WaitBusy();
LCD_CS(1);
LCD_Cmd(0x36); // MEMORY_ACCESS_CONTROL
SSP0_Write(0x48);
SSP0_WaitBusy();
LCD_CS(1);
LCD_Cmd(0x3A); // COLMOD_PIXEL_FORMAT_SET
SSP0_Write(0x55); // 16 bit pixel
SSP0_WaitBusy();
LCD_CS(1);
LCD_Cmd(0xB1); // Frame Rate
SSP0_Write(0x00);
SSP0_Write(0x1B);
SSP0_WaitBusy();
LCD_CS(1);
LCD_Cmd(0xF2); // Gamma Function Disable
SSP0_Write(0x08);
SSP0_WaitBusy();
LCD_CS(1);
LCD_Cmd(0x26);
SSP0_Write(0x01); // gamma set for curve 01/2/04/08
SSP0_WaitBusy();
LCD_CS(1);
LCD_Cmd(0xE0); // positive gamma correction
SSP0_Write(0x1F);
SSP0_Write(0x1A);
SSP0_Write(0x18);
SSP0_Write(0x0A);
SSP0_Write(0x0F);
SSP0_Write(0x06);
SSP0_Write(0x45);
SSP0_Write(0x87);
SSP0_Write(0x32);
SSP0_Write(0x0A);
SSP0_Write(0x07);
SSP0_Write(0x02);
SSP0_Write(0x07);
SSP0_Write(0x05);
SSP0_Write(0x00);
SSP0_WaitBusy();
LCD_CS(1);
LCD_Cmd(0xE1); // negativ gamma correction
SSP0_Write(0x00);
SSP0_Write(0x25);
SSP0_Write(0x27);
SSP0_Write(0x05);
SSP0_Write(0x10);
SSP0_Write(0x09);
SSP0_Write(0x3A);
SSP0_Write(0x78);
SSP0_Write(0x4D);
SSP0_Write(0x05);
SSP0_Write(0x18);
SSP0_Write(0x0D);
SSP0_Write(0x38);
SSP0_Write(0x3A);
SSP0_Write(0x1F);
SSP0_WaitBusy();
LCD_CS(1);
LCD_WindowMax();
//LCD_Cmd(0x34); // tearing effect off
//LCD_CS(1);
//LCD_Cmd(0x35); // tearing effect on
//LCD_CS(1);
LCD_Cmd(0xB7); // entry mode
SSP0_Write(0x07);
SSP0_WaitBusy();
LCD_CS(1);
LCD_Cmd(0xB6); // display function control
SSP0_Write(0x0A);
SSP0_Write(0x82);
SSP0_Write(0x27);
SSP0_Write(0x00);
SSP0_WaitBusy();
LCD_CS(1);
LCD_Cmd(0x11); // sleep out
SSP0_WaitBusy();
LCD_CS(1);
// wait_ms(100);
Delay(100);
LCD_Cmd(0x29); // display on
SSP0_WaitBusy();
LCD_CS(1);
// wait_ms(100);
Delay(100);
}