📄 ili9320.c
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#include "stm32f10x_lib.h"
#include "ili9320.h"
#include "ili9320_font.h"
void Lcd_Configuration(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
/*开启相应时钟 */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA|RCC_APB2Periph_GPIOB|RCC_APB2Periph_GPIOC, ENABLE);
/*所有Lcd引脚配置为推挽输出*/
/*16位数据低8位*/
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_10|GPIO_Pin_11|GPIO_Pin_12|GPIO_Pin_13|GPIO_Pin_14|GPIO_Pin_15;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_Init(GPIOB, &GPIO_InitStructure);
/*16位数据高8位*/
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7;
GPIO_Init(GPIOC, &GPIO_InitStructure);
/*控制脚*/
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_10|GPIO_Pin_11|GPIO_Pin_12;
GPIO_Init(GPIOC, &GPIO_InitStructure);
/*背光控制*/
GPIO_InitStructure.GPIO_Pin =GPIO_Pin_13;
GPIO_Init(GPIOC, &GPIO_InitStructure);
Lcd_Light_ON;
}
/****************************************************************************
* 名 称：u16 CheckController(void)
* 功 能：返回控制器代码
* 入口参数：无
* 出口参数：控制器型号
* 说 明：调用后返回兼容型号的控制器型号
* 调用方法：code=CheckController();
****************************************************************************/
u16 CheckController(void)
{
u16 tmp=0,tmp1=0,tmp2=0;
GPIO_InitTypeDef GPIO_InitStructure;
ili9320_Reset();
ili9320_WriteRegister(0x0000,0x0001);ili9320_Delay(50000);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_10|GPIO_Pin_11|GPIO_Pin_12|GPIO_Pin_13|GPIO_Pin_14|GPIO_Pin_15;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
GPIO_Init(GPIOB, &GPIO_InitStructure);
//16位数据高8位
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7;
GPIO_Init(GPIOC, &GPIO_InitStructure);
GPIO_ResetBits(GPIOC,GPIO_Pin_8);
GPIO_SetBits(GPIOC,GPIO_Pin_9);
GPIO_ResetBits(GPIOC,GPIO_Pin_11);
tmp1 = GPIO_ReadInputData(GPIOB);
tmp2 = GPIO_ReadInputData(GPIOC);
tmp = (tmp1>>8) | (tmp2<<8);
GPIO_SetBits(GPIOC,GPIO_Pin_11);
GPIO_SetBits(GPIOC,GPIO_Pin_8);
//16位数据低8位
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_10|GPIO_Pin_11|GPIO_Pin_12|GPIO_Pin_13|GPIO_Pin_14|GPIO_Pin_15;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_Init(GPIOB, &GPIO_InitStructure);
//16位数据高8位
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7;
GPIO_Init(GPIOC, &GPIO_InitStructure);
return tmp;
}
/****************************************************************************
* 名 称：void ili9320_Initializtion()
* 功 能：初始化 ILI9320 控制器
* 入口参数：无
* 出口参数：无
* 说 明：
* 调用方法：ili9320_Initializtion();
****************************************************************************/
void ili9320_Initializtion()
{
/*****************************
** 硬件连接说明 **
** STM32 ili9320 **
** PE0~15 <----> DB0~15 **
** PD15 <----> nRD **
** PD14 <----> RS **
** PD13 <----> nWR **
** PD12 <----> nCS **
** PD11 <----> nReset **
** PC0 <----> BK_LED **
******************************/
u16 i,id;
ili9320_WriteData(0xffff);
Set_Rst;
Set_nWr;
Set_Cs;
Set_Rs;
Set_nRd;
Set_Rst;
ili9320_Reset(); // 复位 ili9320_Reset
for(i=50000;i>0;i--);
for(i=50000;i>0;i--);
for(i=50000;i>0;i--);
ili9320_WriteRegister(0x0000,0x0001);ili9320_Delay(10000);
for(i=50000;i>0;i--);
for(i=50000;i>0;i--);
id = CheckController();
if(id==0x9325)
{
ili9320_WriteRegister(0x00e7,0x0010);
ili9320_WriteRegister(0x0000,0x0001); //start internal osc
ili9320_WriteRegister(0x0001,0x0100);
ili9320_WriteRegister(0x0002,0x0700); //power on sequence
ili9320_WriteRegister(0x0003,(1<<12)|(1<<5)|(1<<4) ); //65K
ili9320_WriteRegister(0x0004,0x0000);
ili9320_WriteRegister(0x0008,0x0207);
ili9320_WriteRegister(0x0009,0x0000);
ili9320_WriteRegister(0x000a,0x0000); //display setting
ili9320_WriteRegister(0x000c,0x0001); //display setting
ili9320_WriteRegister(0x000d,0x0000); //0f3c
ili9320_WriteRegister(0x000f,0x0000);
ili9320_WriteRegister(0x0010,0x0000);
ili9320_WriteRegister(0x0011,0x0007);
ili9320_WriteRegister(0x0012,0x0000);
ili9320_WriteRegister(0x0013,0x0000);
for(i=50000;i>0;i--);
for(i=50000;i>0;i--);
ili9320_WriteRegister(0x0010,0x1590);
ili9320_WriteRegister(0x0011,0x0227);
for(i=50000;i>0;i--);
for(i=50000;i>0;i--);
ili9320_WriteRegister(0x0012,0x009c);
for(i=50000;i>0;i--);
for(i=50000;i>0;i--);
ili9320_WriteRegister(0x0013,0x1900);
ili9320_WriteRegister(0x0029,0x0023);
ili9320_WriteRegister(0x002b,0x000e);
for(i=50000;i>0;i--);
for(i=50000;i>0;i--);
ili9320_WriteRegister(0x0020,0x0000);
ili9320_WriteRegister(0x0021,0x0000);
for(i=50000;i>0;i--);
for(i=50000;i>0;i--);
ili9320_WriteRegister(0x0030,0x0007);
ili9320_WriteRegister(0x0031,0x0707);
ili9320_WriteRegister(0x0032,0x0006);
ili9320_WriteRegister(0x0035,0x0704);
ili9320_WriteRegister(0x0036,0x1f04);
ili9320_WriteRegister(0x0037,0x0004);
ili9320_WriteRegister(0x0038,0x0000);
ili9320_WriteRegister(0x0039,0x0706);
ili9320_WriteRegister(0x003c,0x0701);
ili9320_WriteRegister(0x003d,0x000f);
for(i=50000;i>0;i--);
for(i=50000;i>0;i--);
ili9320_WriteRegister(0x0050,0x0000);
ili9320_WriteRegister(0x0051,0x00ef);
ili9320_WriteRegister(0x0052,0x0000);
ili9320_WriteRegister(0x0053,0x013f);
ili9320_WriteRegister(0x0060,0xa700);
ili9320_WriteRegister(0x0061,0x0001);
ili9320_WriteRegister(0x006a,0x0000);
ili9320_WriteRegister(0x0080,0x0000);
ili9320_WriteRegister(0x0081,0x0000);
ili9320_WriteRegister(0x0082,0x0000);
ili9320_WriteRegister(0x0083,0x0000);
ili9320_WriteRegister(0x0084,0x0000);
ili9320_WriteRegister(0x0085,0x0000);
ili9320_WriteRegister(0x0090,0x0010);
ili9320_WriteRegister(0x0092,0x0000);
ili9320_WriteRegister(0x0093,0x0003);
ili9320_WriteRegister(0x0095,0x0110);
ili9320_WriteRegister(0x0097,0x0000);
ili9320_WriteRegister(0x0098,0x0000);
//display on sequence
ili9320_WriteRegister(0x0007,0x0133);
ili9320_WriteRegister(0x0020,0x0000);
ili9320_WriteRegister(0x0021,0x0000);
}
else if(id==0x9320)
{
ili9320_WriteRegister(0x00,0x0000);
ili9320_WriteRegister(0x01,0x0100); //Driver Output Contral.
ili9320_WriteRegister(0x02,0x0700); //LCD Driver Waveform Contral.
ili9320_WriteRegister(0x03,0x1030); //Entry Mode Set.
ili9320_WriteRegister(0x04,0x0000); //Scalling Contral.
ili9320_WriteRegister(0x08,0x0202); //Display Contral 2.(0x0207)
ili9320_WriteRegister(0x09,0x0000); //Display Contral 3.(0x0000)
ili9320_WriteRegister(0x0a,0x0000); //Frame Cycle Contal.(0x0000)
ili9320_WriteRegister(0x0c,(1<<0)); //Extern Display Interface Contral 1.(0x0000)
ili9320_WriteRegister(0x0d,0x0000); //Frame Maker Position.
ili9320_WriteRegister(0x0f,0x0000); //Extern Display Interface Contral 2.
for(i=50000;i>0;i--);
for(i=50000;i>0;i--);
ili9320_WriteRegister(0x07,0x0101); //Display Contral.
for(i=50000;i>0;i--);
for(i=50000;i>0;i--);
ili9320_WriteRegister(0x10,(1<<12)|(0<<8)|(1<<7)|(1<<6)|(0<<4)); //Power Control 1.(0x16b0)
ili9320_WriteRegister(0x11,0x0007); //Power Control 2.(0x0001)
ili9320_WriteRegister(0x12,(1<<8)|(1<<4)|(0<<0)); //Power Control 3.(0x0138)
ili9320_WriteRegister(0x13,0x0b00); //Power Control 4.
ili9320_WriteRegister(0x29,0x0000); //Power Control 7.
ili9320_WriteRegister(0x2b,(1<<14)|(1<<4));
ili9320_WriteRegister(0x50,0); //Set X Start.
ili9320_WriteRegister(0x51,239); //Set X End.
ili9320_WriteRegister(0x52,0); //Set Y Start.
ili9320_WriteRegister(0x53,319); //Set Y End.
ili9320_WriteRegister(0x60,0x2700); //Driver Output Control.
ili9320_WriteRegister(0x61,0x0001); //Driver Output Control.
ili9320_WriteRegister(0x6a,0x0000); //Vertical Srcoll Control.
ili9320_WriteRegister(0x80,0x0000); //Display Position? Partial Display 1.
ili9320_WriteRegister(0x81,0x0000); //RAM Address Start? Partial Display 1.
ili9320_WriteRegister(0x82,0x0000); //RAM Address End-Partial Display 1.
ili9320_WriteRegister(0x83,0x0000); //Displsy Position? Partial Display 2.
ili9320_WriteRegister(0x84,0x0000); //RAM Address Start? Partial Display 2.
ili9320_WriteRegister(0x85,0x0000); //RAM Address End? Partial Display 2.
ili9320_WriteRegister(0x90,(0<<7)|(16<<0)); //Frame Cycle Contral.(0x0013)
ili9320_WriteRegister(0x92,0x0000); //Panel Interface Contral 2.(0x0000)
ili9320_WriteRegister(0x93,0x0001); //Panel Interface Contral 3.
ili9320_WriteRegister(0x95,0x0110); //Frame Cycle Contral.(0x0110)
ili9320_WriteRegister(0x97,(0<<8)); //
ili9320_WriteRegister(0x98,0x0000); //Frame Cycle Contral.
ili9320_WriteRegister(0x07,0x0173); //(0x0173)
}
for(i=50000;i>0;i--);
ili9320_Clear(0xf800);
}
/****************************************************************************
* 名 称：void ili9320_SetCursor(u16 x,u16 y)
* 功 能：设置屏幕座标
* 入口参数：x 行座标
* y 列座标
* 出口参数：无
* 说 明：
* 调用方法：ili9320_SetCursor(10,10);
****************************************************************************/
void ili9320_SetCursor(u16 x,u16 y)
{
ili9320_WriteRegister(0x0020,x); // 行
ili9320_WriteRegister(0x0021,y); // 列
}
/****************************************************************************
* 名 称：void ili9320_SetWindows(u16 StartX,u16 StartY,u16 EndX,u16 EndY)
* 功 能：设置窗口区域
* 入口参数：StartX 行起始座标
* StartY 列起始座标
* EndX 行结束座标
* EndY 列结束座标
* 出口参数：无
* 说 明：
* 调用方法：ili9320_SetWindows(0,0,100,100)；
****************************************************************************/
void ili9320_SetWindows(u16 StartX,u16 StartY,u16 EndX,u16 EndY)
{
ili9320_SetCursor(StartX,StartY);
ili9320_WriteRegister(0x0050, StartX);
ili9320_WriteRegister(0x0052, StartY);
ili9320_WriteRegister(0x0051, EndX);
ili9320_WriteRegister(0x0053, EndY);
}
/****************************************************************************
* 名 称：void ili9320_Clear(u16 dat)
* 功 能：将屏幕填充成指定的颜色，如清屏，则填充 0xffff
* 入口参数：dat 填充值
* 出口参数：无
* 说 明：
* 调用方法：ili9320_Clear(0xffff);
****************************************************************************/
void ili9320_Clear(u16 dat)
{
u32 i;
ili9320_SetCursor(0x00, 0x0000);
ili9320_WriteRegister(0x0050,0x00);//水平 GRAM起始位置
ili9320_WriteRegister(0x0051,239);//水平GRAM终止位置
ili9320_WriteRegister(0x0052,0x00);//垂直GRAM起始位置
ili9320_WriteRegister(0x0053,319);//垂直GRAM终止位置
Clr_Cs;
ili9320_WriteIndex(0x0022);
Set_Rs;
for(i=0;i<76800;i++)
{
ili9320_WriteData(dat);
Clr_nWr;
Set_nWr;
}
Set_Cs;
}
/****************************************************************************
* 名 称：u16 ili9320_GetPoint(u16 x,u16 y)
* 功 能：获取指定座标的颜色值
* 入口参数：x 行座标
* y 列座标
* 出口参数：当前座标颜色值
* 说 明：
* 调用方法：i=ili9320_GetPoint(10,10);
****************************************************************************/
u16 ili9320_GetPoint(u16 x,u16 y)
{
ili9320_SetCursor(x,y);
return (ili9320_BGR2RGB(ili9320_ReadRegister(0x0022)));
}
/****************************************************************************
* 名 称：void ili9320_SetPoint(u16 x,u16 y,u16 point)
* 功 能：在指定座标画点
* 入口参数：x 行座标
* y 列座标
* point 点的颜色
* 出口参数：无
* 说 明：
* 调用方法：ili9320_SetPoint(10,10,0x0fe0);
****************************************************************************/
void ili9320_SetPoint(u16 x,u16 y,u16 point)
{
if ( (x>240)||(y>320) ) return;
ili9320_SetCursor(x,y);
Clr_Cs;
ili9320_WriteIndex(0x0022);
Set_Rs;
ili9320_WriteData(point);
Clr_nWr;Set_nWr;
Set_Cs;
}
/****************************************************************************
* 名 称：void ili9320_DrawPicture(u16 StartX,u16 StartY,u16 EndX,u16 EndY,u16 *pic)
* 功 能：在指定座标范围显示一副图片
* 入口参数：StartX 行起始座标
* StartY 列起始座标
* EndX 行结束座标
* EndY 列结束座标
pic 图片头指针
* 出口参数：无
* 说 明：图片取模格式为水平扫描，16位颜色模式
* 调用方法：ili9320_DrawPicture(0,0,100,100,(u16*)demo);
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