V3.5 模拟spi 驱动1.8寸彩屏 (10)

工程代码：  10_spi模拟彩屏_1.rar  
彩屏：

很好的两个参考资料：
http://www.ourdev.cn/bbs/bbs_content.jsp?bbs_sn=4493558&bbs_page_no=185&bbs_id=9999
http://www.ourdev.cn/bbs/bbs_content.jsp?bbs_sn=4742238&bbs_page_no=2&bbs_id=3020


物理结构：
VCC GND  RST RS SDIN SCLK CS


说明：
       循环显示  纯黑，纯红
       使用 模拟spi 功能，  GPIOC ,APB2， 将APB2的频率调到 72MHZ。

#ifndef __LCD_H
#define __LCD_H

#include "stm32f10x.h"
#include "delay.h"

#define TFT_PORT   GPIOC       //LCD 选择管脚
#define TFT_RST    GPIO_Pin_6  //复位
#define TFT_RS     GPIO_Pin_7  //寄存器选择
#define TFT_SDIN   GPIO_Pin_8  //数据传输
#define TFT_SCLK   GPIO_Pin_9  //CLK时钟
#define TFT_CS        GPIO_Pin_10 //片选信号

#define Set_Rst TFT_PORT->BSRR  = TFT_RST; //复位1
#define Clr_Rst TFT_PORT->BRR   = TFT_RST; //复位0

#define Set_Rs  TFT_PORT->BSRR  = TFT_RS;  //寄存器选择1
#define Clr_Rs  TFT_PORT->BRR   = TFT_RS;  //寄存器选择0

#define Set_Dat TFT_PORT->BSRR  = TFT_SDIN;//数据 高
#define Clr_Dat TFT_PORT->BRR   = TFT_SDIN;//数据 低

#define Set_Clk TFT_PORT->BSRR  = TFT_SCLK;//时钟 高
#define Clr_Clk TFT_PORT->BRR   = TFT_SCLK;//时钟 低

#define Set_Cs  TFT_PORT->BSRR  = TFT_CS; //片选信号 高
#define Clr_Cs  TFT_PORT->BRR   = TFT_CS; //片选信号 低

void LCD18_Init(void);    //初始化 LCD GPIO管脚，彩屏寄存器
void LCD18_DataWrite_IC(u8 dat);
void LCD18_DataWrite(u8 LCD_DataH,u8 LCD_DataL);
void LCD18_Dsp_Single_Colour(u8 DH, u8 DL);
void write_command (u8 cmd);
void write_data (u8 data);

#endif

#include "lcd.h"

void LCD18_Init(void)
{
    GPIO_InitTypeDef GPIO_InitStructure;
    RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);

    GPIO_InitStructure.GPIO_Pin = TFT_SCLK | TFT_SDIN | TFT_CS | TFT_RS | TFT_RST;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
    GPIO_Init(GPIOC, &GPIO_InitStructure);


    Clr_Rst;
    delay_ms(10);
    Set_Rst;
    delay_ms(20);
    //-----LCD Software Reset------//
    write_command(0x01);   //Sofeware setting
    delay_ms(10);
    write_command(0x11);//Sleep out
    delay_ms(120);
    //ST7735R Frame Rate
    write_command(0xB1);
    write_data(0x01);
    write_data(0x2C);
    write_data(0x2D);
    write_command(0xB2);
    write_data(0x01);
    write_data(0x2C);
    write_data(0x2D);
    write_command(0xB3);
    write_data(0x01);
    write_data(0x2C);
    write_data(0x2D);
    write_data(0x01);
    write_data(0x2C);
    write_data(0x2D);
    //------------------------------------End ST7735R Frame Rate-----------------------------------------//
    write_command(0xB4);//Column inversion
    write_data(0x07);
    //------------------------------------ST7735R Power Sequence-----------------------------------------//
    write_command(0xC0);
    write_data(0xA2);
    write_data(0x02);
    write_data(0x84);
    write_command(0xC1);
    write_data(0xC5);
    write_command(0xC2);
    write_data(0x0A);
    write_data(0x00);
    write_command(0xC3);
    write_data(0x8A);
    write_data(0x2A);
    write_command(0xC4);
    write_data(0x8A);
    write_data(0xEE);
    //---------------------------------End ST7735R Power Sequence-------------------------------------//
    write_command(0xC5);//VCOM
    write_data(0x0E);
    write_command(0x36);//MX, MY, RGB mode
    write_data(0xC8);
    //------------------------------------ST7735R Gamma Sequence-----------------------------------------//
    write_command(0xe0);
    write_data(0x02);
    write_data(0x1c);
    write_data(0x07);
    write_data(0x12);
    write_data(0x37);
    write_data(0x32);
    write_data(0x29);
    write_data(0x2d);
    write_data(0x29);
    write_data(0x25);
    write_data(0x2b);
    write_data(0x39);
    write_data(0x00);
    write_data(0x01);
    write_data(0x03);
    write_data(0x10);
    write_command(0xe1);
    write_data(0x03);
    write_data(0x1d);
    write_data(0x07);
    write_data(0x06);
    write_data(0x2e);
    write_data(0x2c);
    write_data(0x29);
    write_data(0x2d);
    write_data(0x2e);
    write_data(0x2e);
    write_data(0x37);
    write_data(0x3f);
    write_data(0x00);
    write_data(0x00);
    write_data(0x02);
    write_data(0x10);
    write_command(0x2A);
    write_data(0x00);
    write_data(0x02);
    write_data(0x00);
    write_data(0x81);

    write_command(0x2B);
    write_data(0x00);
    write_data(0x01);
    write_data(0x00);
    write_data(0xA0);
    //------------------------------------End ST7735R Gamma Sequence-----------------------------------------//

    write_command(0x3A);
    write_data(0x05);
    write_command(0x29);//Display on

    delay_ms(10);

//    Background_color_H = 0xFF; // 指定背景色为白色
//    Background_color_L = 0xFF;

//    Text_color_H = 0x00;     // 指定文字颜色为红色
//    Text_color_L = 0x00;

//    Disp_Transparent = 0;
}

void LCD18_DataWrite_IC(u8 dat)
{
    u8 i=8;
    Clr_Cs;
    Set_Rs;
    while(i--)
    {
        Clr_Clk;
        if(dat & 0x80)
        {
            Set_Dat;
        }/* MSB first */
        else
        {
            Clr_Dat;
        }
        Set_Clk;
        dat <<= 1; /* Data shift */
    }
    Set_Cs;
}

void LCD18_DataWrite(u8 LCD_DataH,u8 LCD_DataL)
{
    LCD18_DataWrite_IC(LCD_DataH);
    LCD18_DataWrite_IC(LCD_DataL);
}

void LCD18_Dsp_Single_Colour(u8 DH, u8 DL)
{
 u8 i,j;
 //RamAdressSet();
 for (i=0;i<160;i++)
    for (j=0;j<128;j++)
        LCD18_DataWrite(DH,DL);
}
void write_command (u8 cmd)
{
    u8 i=8;
    Clr_Cs;
    Clr_Rs;
    while (i--)
    {
        Clr_Clk;
        if(cmd & 0x80)
        {
            Set_Dat;
        }/* MSB first */
        else
        {
            Clr_Dat;
        }
        Set_Clk;
        cmd <<= 1; /* Data shift */
    }
    Set_Cs;
}

void write_data (u8 data)
{
    u8 i=8;
    Clr_Cs;
    Set_Rs;
    while(i--)
    {
        Clr_Clk;
        if(data & 0x80)
        {
            Set_Dat;
        }/* MSB first */
        else
        {
            Clr_Dat;
        }
        Set_Clk;
        data <<= 1; /* Data shift */
    }
    Set_Cs;
}

int main()
{
    RCC_Configuration();
    delay_init();
//    LED_Init();
    USART1_GPIO_Configuration();
    USART1_Configuration();

    LCD18_Init();

    delay_s(2);//usart 发送显示开始
    usart1_sendchar(65);//A字符 asicc码65


    while(1)
    {
        write_command(0x2C);

        LCD18_Dsp_Single_Colour(0x00,0x00);//黑色
        delay_ms(500);

        LCD18_Dsp_Single_Colour(0xf8,0x00);//红色
        delay_ms(500);

        LCD18_Dsp_Single_Colour(0xff,0xff);//白色
          delay_ms(500);

        LCD18_Dsp_Single_Colour(0x07,0xe0);//绿色
        delay_ms(500);

        LCD18_Dsp_Single_Colour(0x00,0x1f);//蓝色
        delay_ms(500);
    }
    return 0;
}