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发表于 2019-5-2 11:37:24
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显示全部楼层
那就是spi驱动的了，试试这个
#include "spi2.h"
#define LCD_ID 0x9341
#define X_MAX 240
#define Y_MAX 320
#define TFT_CTRL_RCC RCC_APB2Periph_GPIOB
#define TFT_CTRL GPIOB
#define TFT_DCRS_IO GPIO_Pin_10
#define TFT_DCRST_IO GPIO_Pin_8
#define TFT_CS_IO GPIO_Pin_6
#define TFT_DCRS PBout(10)
#define TFT_DCRST PBout(8)
#define TFT_CS PBout(6)
#define TFT_SPIx_Init SPI2_Init
#define TFT_SPIx_ReadWriteByte SPI2_ReadWriteByte
#define TFT_SPIx_SetSpeed SPI2_SetSpeed
u8 LCD_DIR;
u16 X_MAX_PIXEL;
u16 Y_MAX_PIXEL;
//对接实现函数
//硬件SPI配置
void TFT_IO_Init(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
RCC_APB2PeriphClockCmd(TFT_CTRL_RCC, ENABLE);
GPIO_InitStructure.GPIO_Pin = TFT_DCRS_IO|TFT_DCRST_IO| TFT_CS_IO;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_Init(TFT_CTRL, &GPIO_InitStructure);
GPIO_SetBits(TFT_CTRL,TFT_DCRS_IO|TFT_DCRST_IO| TFT_CS_IO);
}
void TFT_WriteReg8Bit(u8 Reg)
{
TFT_DCRS=0;
TFT_SPIx_ReadWriteByte(Reg);
}
void TFT_WriteData8Bit(u8 Data)
{
TFT_DCRS=1;
TFT_SPIx_ReadWriteByte(Data);
}
u8 TFT_ReadData8Bit(void)
{
u8 data;
TFT_DCRS=1;
data=TFT_SPIx_ReadWriteByte(0xff);
return data;
}
void TFT_WriteData16Bit(u16 Data)
{
TFT_DCRS=1;
TFT_SPIx_ReadWriteByte(Data>>8);
TFT_SPIx_ReadWriteByte(Data);
}
void TFT_WriteReg16Bit(u16 Reg)
{
TFT_DCRS=0;
TFT_SPIx_ReadWriteByte(Reg>>8);
TFT_SPIx_ReadWriteByte(Reg);
}
void TFT_Init(u8 fangxiang)
{
TFT_IO_Init();
TFT_SPIx_Init();
TFT_DCRST=0;
delay_ms(100);
TFT_DCRST=1;
delay_ms(50);
TFT_CS=0;
TFT_WriteReg8Bit(0xCB);
TFT_WriteData8Bit(0x39);
TFT_WriteData8Bit(0x2C);
TFT_WriteData8Bit(0x00);
TFT_WriteData8Bit(0x34);
TFT_WriteData8Bit(0x02);
TFT_WriteReg8Bit(0xCF);
TFT_WriteData8Bit(0x00);
TFT_WriteData8Bit(0XC1);
TFT_WriteData8Bit(0X30);
TFT_WriteReg8Bit(0xE8);
TFT_WriteData8Bit(0x85);
TFT_WriteData8Bit(0x00);
TFT_WriteData8Bit(0x78);
TFT_WriteReg8Bit(0xEA);
TFT_WriteData8Bit(0x00);
TFT_WriteData8Bit(0x00);
TFT_WriteReg8Bit(0xED);
TFT_WriteData8Bit(0x64);
TFT_WriteData8Bit(0x03);
TFT_WriteData8Bit(0X12);
TFT_WriteData8Bit(0X81);
TFT_WriteReg8Bit(0xF7);
TFT_WriteData8Bit(0x20);
TFT_WriteReg8Bit(0xC0); //Power control
TFT_WriteData8Bit(0x23); //VRH[5:0]
TFT_WriteReg8Bit(0xC1); //Power control
TFT_WriteData8Bit(0x10); //SAP[2:0];BT[3:0]
TFT_WriteReg8Bit(0xC5); //VCM control
TFT_WriteData8Bit(0x3e); //对比度调节
TFT_WriteData8Bit(0x28);
TFT_WriteReg8Bit(0xC7); //VCM control2
TFT_WriteData8Bit(0x86); //--
TFT_WriteReg8Bit(0x36); // Memory Access Control
if( fangxiang==0)//竖屏
{
LCD_DIR=0;
X_MAX_PIXEL=X_MAX;
Y_MAX_PIXEL=Y_MAX;
TFT_WriteData8Bit(0x48);
}
else//横屏
{
LCD_DIR=1;
X_MAX_PIXEL=Y_MAX;
Y_MAX_PIXEL=X_MAX;
TFT_WriteData8Bit(0xE8);
}
TFT_WriteReg8Bit(0x3A);
TFT_WriteData8Bit(0x55);
TFT_WriteReg8Bit(0xB1);
TFT_WriteData8Bit(0x00);
TFT_WriteData8Bit(0x18);
TFT_WriteReg8Bit(0xB6); // Display Function Control
TFT_WriteData8Bit(0x08);
TFT_WriteData8Bit(0x82);
TFT_WriteData8Bit(0x27);
TFT_WriteReg8Bit(0xF2); // 3Gamma Function Disable
TFT_WriteData8Bit(0x00);
TFT_WriteReg8Bit(0x26); //Gamma curve selected
TFT_WriteData8Bit(0x01);
TFT_WriteReg8Bit(0xE0); //Set Gamma
TFT_WriteData8Bit(0x0F);
TFT_WriteData8Bit(0x31);
TFT_WriteData8Bit(0x2B);
TFT_WriteData8Bit(0x0C);
TFT_WriteData8Bit(0x0E);
TFT_WriteData8Bit(0x08);
TFT_WriteData8Bit(0x4E);
TFT_WriteData8Bit(0xF1);
TFT_WriteData8Bit(0x37);
TFT_WriteData8Bit(0x07);
TFT_WriteData8Bit(0x10);
TFT_WriteData8Bit(0x03);
TFT_WriteData8Bit(0x0E);
TFT_WriteData8Bit(0x09);
TFT_WriteData8Bit(0x00);
TFT_WriteReg8Bit(0XE1); //Set Gamma
TFT_WriteData8Bit(0x00);
TFT_WriteData8Bit(0x0E);
TFT_WriteData8Bit(0x14);
TFT_WriteData8Bit(0x03);
TFT_WriteData8Bit(0x11);
TFT_WriteData8Bit(0x07);
TFT_WriteData8Bit(0x31);
TFT_WriteData8Bit(0xC1);
TFT_WriteData8Bit(0x48);
TFT_WriteData8Bit(0x08);
TFT_WriteData8Bit(0x0F);
TFT_WriteData8Bit(0x0C);
TFT_WriteData8Bit(0x31);
TFT_WriteData8Bit(0x36);
TFT_WriteData8Bit(0x0F);
TFT_WriteReg8Bit(0x11); //Exit Sleep
delay_ms(120);
TFT_WriteReg8Bit(0x29); //Display on
TFT_WriteReg8Bit(0x2c);
TFT_SetRegion(0,0,X_MAX_PIXEL-1,Y_MAX_PIXEL-1);
TFT_Clear(WHITE);
TFT_CS=1;
}
/*************************************************
函数名：TFT_Set_XY
功能：设置lcd显示起始点
入口参数：xy坐标
返回值：无
*************************************************/
void TFT_SetXY(u16 x,u16 y)
{
TFT_WriteReg8Bit(0x2a);
TFT_WriteData16Bit(x);
TFT_WriteReg8Bit(0x2b);
TFT_WriteData16Bit(y);
TFT_WriteReg8Bit(0x2c);
}
/*************************************************
函数名：TFT_Set_Region
功能：设置lcd显示区域，在此区域写点数据自动换行
入口参数：xy起点和终点,Y_IncMode表示先自增y再自增x
返回值：无
*************************************************/
void TFT_SetRegion(u16 x_start,u16 y_start,u16 x_end,u16 y_end)
{
TFT_WriteReg8Bit(0x2a);
TFT_WriteData16Bit(x_start);
TFT_WriteData16Bit(x_end);
TFT_WriteReg8Bit(0x2b);
TFT_WriteData16Bit(y_start);
TFT_WriteData16Bit(y_end);
TFT_WriteReg8Bit(0x2c);
TFT_SetXY(x_start,y_start);
}
//清屏函数
//color:要清屏的填充色
void TFT_Clear(u16 color)
{
u16 i,j;
TFT_CS=0;
TFT_SetRegion(0,0,X_MAX_PIXEL-1,Y_MAX_PIXEL-1);
for(j=0;j<Y_MAX_PIXEL;j++)
for(i=0;i<X_MAX_PIXEL;i++)
TFT_WriteData16Bit(color);
TFT_CS=1;
}
/*************************************************
函数名：TFT_DrawPoint
功能：画一个点
入口参数：无
返回值：无
*************************************************/
void TFT_DrawPoint(u16 x,u16 y,u16 color)
{
TFT_CS=0;
TFT_SetXY(x,y);
TFT_WriteData16Bit(color);
TFT_CS=1;
}
/*****************************************
函数功能：读TFT某一点的颜色
出口参数：color 点颜色值
******************************************/
u16 TFT_ReadPoint(u16 x,u16 y)
{
u8 r,g,b;
u16 R,G,B,Data;
TFT_CS=0;
TFT_SetXY(x,y);
TFT_WriteReg8Bit(0X2E); //第一次写入控制命令
TFT_ReadData8Bit();//第二次空读写DUMMY CLOCK
r=TFT_ReadData8Bit();
g=TFT_ReadData8Bit();
b=TFT_ReadData8Bit();
TFT_CS=1;
//565模式
R = r&0x00F8;//抛弃最后3位
G = g&0x00FE;//抛弃最后2位
B = b&0x00F8;//抛弃最后3位
Data = (R<<8)|(G<<3)|(B>>3);
return Data;
} |
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