为了更好,更深入学习了解ILI9325系列TFT的驱动原理,自己做了一块TFT板子。为了便利测验,在上面集成了STM32芯片,到时分做试验的时分就焊接STM32测验,假如仅仅运用,就直接焊接TFT就行了。板子还在做,先上原理图与PCB。
————————-等板子回来,再测验,总结持续————-
——–板子回来了,焊接好了,简略测验了一下!———–
———第二部分—————ili9320.h——————代码简略剖析——
#ifndef _ILI9320_H_
#define _ILI9320_H_
#include “stm32f10x.h”
#define DB0_7_RCC RCC_APB2Periph_GPIOB
#define DB_8_15_RCC RCC_APB2Periph_GPIOC
//——————————————-
#define nCsPin_RCC RCC_APB2Periph_GPIOC
#define nCsPin_Port GPIOC
#define nCsPin GPIO_Pin_11
#define RsPin_RCC RCC_APB2Periph_GPIOC
#define RsPin_Port GPIOC
#define RsPin GPIO_Pin_8
#define nWrPin_RCC RCC_APB2Periph_GPIOC
#define nWrPin_Port GPIOC
#define nWrPin GPIO_Pin_9
#define nRdPin_RCC RCC_APB2Periph_GPIOC
#define nRdPin_Port GPIOC
#define nRdPin GPIO_Pin_10
#define nRstPin_RCC RCC_APB2Periph_GPIOC
#define nRstPin_Port GPIOC
#define nRstPin GPIO_Pin_12
#define LightPin_RCC RCC_APB2Periph_GPIOB
#define LightPin_Port GPIOB
#define LightPin GPIO_Pin_0
//—————————————–
#define Set_nWrnCsPin_Port-》BSRR = nWrPin // GPIO_SetBits (nWrPin_Port, nWrPin)
#define Clr_nWrnCsPin_Port-》BRR = nWrPin // GPIO_ResetBits (nWrPin_Port, nWrPin)
#define Set_Cs nCsPin_Port-》BSRR = nCsPin // GPIO_SetBits (nCsPin_Port, nCsPin)
#define Clr_Cs nCsPin_Port-》BRR = nCsPin// GPIO_ResetBits (nCsPin_Port, nCsPin)
#define Set_Rs RsPin_Port-》BSRR = RsPin// GPIO_SetBits (RsPin_Port, RsPin)
#define Clr_Rs RsPin_Port-》BRR = RsPin // GPIO_ResetBits (RsPin_Port, RsPin)
#define Set_nRdnRdPin_Port-》BSRR = nRdPin// GPIO_SetBits (nRdPin_Port, nRdPin)
#define Clr_nRdnRdPin_Port-》BRR = nRdPin // GPIO_ResetBits (nRdPin_Port, nRdPin)
#define Set_RstnRstPin_Port-》BSRR = nRstPin// GPIO_SetBits (nRstPin_Port, nRstPin)
#define Clr_RstnRstPin_Port-》BRR = nRstPin // GPIO_ResetBits (nRstPin_Port, nRstPin)
#define Set_LightLightPin_Port-》BSRR = LightPin// GPIO_SetBits (LightPin_Port, LightPin)
#define Clr_LightLightPin_Port-》BRR = LightPin// GPIO_ResetBits (LightPin_Port, LightPin)
//———————————
#define White 0xFFFF
#define Black 0x0000
#define Grey 0xF7DE
#define Blue 0x001F
#define Blue2 0x051F
#define Red 0xF800
#define Magenta 0xF81F
#define Green 0x07E0
#define Cyan 0x7FFF
#define Yellow 0xFFE0
void Lcd_ConfiguraTIon(void); //初始化GPIO
void LCD_ili9320_IniTIalizTIon(void); //初始化ILI9320—uCGUI需求运用–1
void LCD_ili9320_Reset(void);
void LCD_ili9320_BackLight(u8 status); //背光
void LCD_ili9320_SetCursor(u16 x,u16 y); //设置坐标—uCGUI需求运用–2
void LCD_ili9320_SetWindows(u16 StartX,u16 StartY,u16 EndX,u16 EndY); //设置窗体
void LCD_ili9320_DrawPicture(u16 StartX,u16 StartY,u16 EndX,u16 EndY,u16 *pic);//画图片
void LCD_ili9320_SetPoint(u16 x,u16 y,u16 point);//画点—uCGUI需求运用–3
u16 LCD_ili9320_GetPoint(u16 x,u16 y); //读取点颜色—uCGUI需求运用–4
void LCD_ili9320_PutChar(u16 x,u16 y,u8 c,u16 charColor,u16 bkColor); //显现字符–需求字体头文件
void LCD_ili9320_Clear(u16 dat); //清屏
void LCD_ili9320_Delay(u32 nCount);
void LCD_ili9320_Test(void);
void LCD_ili9320_WriteData(u16 dat); //写数据
void LCD_ili9320_WriteIndex(u16 idx); //写地址
u16 LCD_ili9320_ReadData(void); //读数据
u16 LCD_ili9320_ReadRegister(u16 index); //读寄存器
void LCD_ili9320_WriteRegister(u16 index,u16 dat); //写寄存器
u16 LCD_ili9320_BGR2RGB(u16 c); //转化颜色格局
u16 LCD_ili9320_Color565(u32 RGB); // RGB颜色转为16位(565)
void LCD_ili9320_DrawHLine(uint16_t usX1 , uint16_t usY1 , uint16_t usX2 , uint16_t usColor);//水平线—uCGUI需求运用–5
void LCD_ili9320_DrawVLine(uint16_t usX1 , uint16_t usY1 , uint16_t usY2 , uint16_t usColor);//笔直线—uCGUI需求运用–6
void LCD_ili9320_FillRect(u16 x0, u16 y0, u16 x1, u16 y1,u16 color);//填充矩形—uCGUI需求运用–7
void LCD_ili9320_Line(u16 x0, u16 y0, u16 x1, u16 y1,u16 color); // 画恣意直线线
void LCD_ili9320_Circle(u16 cx,u16 cy,u16 r,u16 color,u8 fill); // 画园
void LCD_ili9320_Rectangle(u16 x0, u16 y0, u16 x1, u16 y1,u16 color,u8 fill); // 画矩形–填充或许不填充
void LCD_ili9320_Square(u16 x0, u16 y0, u16 with, u16 color,u8 fill); // 画正方形–填充或许不填充
void LCD_ili9320_Text(u16 x, u16 y, u8 *str, u16 len,u16 Color, u16 bkColor); //简略测验–显现渐变色条
#endif
———第三部分—————-ili9320.c——代码剖析——
#include “ili9320.h”
#include “ili9320_font.h”
void Lcd_ConfiguraTIon(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB “ RCC_APB2Periph_GPIOC, ENABLE); //初始化数据引脚 —DB0~~DB7是PB8~~PB15 DB8~~DB15是PC0~~PC7———-//
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_Out_PP;
GPIO_Init(GPIOB, &GPIO_InitStructure);
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_InitStructure.GPIO_Speed = GPIO_Speed_2MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_Init(GPIOC, &GPIO_InitStructure);
RCC_APB2PeriphClockCmd(nCsPin_RCC, ENABLE); // 操控脚 CS ——PC11—-//
GPIO_InitStructure.GPIO_Pin = nCsPin;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_Init(nCsPin_Port, &GPIO_InitStructure);
RCC_APB2PeriphClockCmd(RsPin_RCC, ENABLE); // 操控脚 RS ——-PC8—//
GPIO_InitStructure.GPIO_Pin = RsPin;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_Init(RsPin_Port, &GPIO_InitStructure);
RCC_APB2PeriphClockCmd(nWrPin_RCC, ENABLE); // 操控脚 WR —-PC9–//
GPIO_InitStructure.GPIO_Pin = nWrPin;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_Init(nWrPin_Port, &GPIO_InitStructure);
RCC_APB2PeriphClockCmd(nRdPin_RCC, ENABLE); // 操控脚 RD —PC10–//
GPIO_InitStructure.GPIO_Pin = nRdPin;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_Init(nRdPin_Port, &GPIO_InitStructure);
RCC_APB2PeriphClockCmd(nRstPin_RCC, ENABLE); // 操控脚 RST —PC12–//
GPIO_InitStructure.GPIO_Pin = nRstPin;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_Init(nRstPin_Port, &GPIO_InitStructure);
RCC_APB2PeriphClockCmd(LightPin_RCC, ENABLE); // 操控脚背光 –PB00—//
GPIO_InitStructure.GPIO_Pin = LightPin;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_Init(LightPin_Port, &GPIO_InitStructure);
}
void delayms(int count) // X1ms
{
int i,j;
for(i=0;i for(j=0;j《1000;j++);
}
void LCD_ili9320_Initializtion (void) //–功 能:初始化 ILI9320 操控器
{
volatile u16 i, j, k;
u32 DeviceCode = 0;
Lcd_Configuration();
LCD_ili9320_BackLight(0); //关背光
delayms(200);
Clr_Rst;
delayms(200);
LCD_ili9320_WriteData(0xffff);
Set_Rst; Set_nWr; Set_Cs; Set_Rs; Set_nRd; Set_Rst;
delayms(200);
LCD_ili9320_WriteRegister(0x0000,0x0001); // Start OCS
delayms(200);
DeviceCode = LCD_ili9320_ReadRegister(0x0000); // 读操控器类型 ILI9320
if(DeviceCode == 0x9320||0x9300)
{
LCD_ili9320_WriteRegister(0x00,0x0000);
LCD_ili9320_WriteRegister(0x01,0x0100);//驱动器输出操控
LCD_ili9320_WriteRegister(0x02,0x0700);//LCD驱动波形操控-回转
LCD_ili9320_WriteRegister(0x03,0x1030);//进入形式–F-
LCD_ili9320_WriteRegister(0x04,0x0000);//从头调整操控寄存器巨细—缩放
LCD_ili9320_WriteRegister(0x08,0x0202);//Display Contral 2.(0x0207)
LCD_ili9320_WriteRegister(0x09,0x0000);//Display Contral 3.(0x0000)
LCD_ili9320_WriteRegister(0x0a,0x0000);//Frame信号输出距离
LCD_ili9320_WriteRegister(0x0c,(1《《0)); //RGB显现接口操控1–16位
LCD_ili9320_WriteRegister(0x0d,0x0000);//帧符号的方位
LCD_ili9320_WriteRegister(0x0f,0x0000); //RGB显现接口操控1
delayms(5);
LCD_ili9320_WriteRegister(0x07,0x0101);//Display Contral.
delayms(5);
LCD_ili9320_WriteRegister(0x10,(1《《12)|(0《《8)|(1《《7)|(1《《6)|(0《《4));//Power Control 1.(0x16b0)
LCD_ili9320_WriteRegister(0x11,0x0007); //Power Control 2.(0x0001)
LCD_ili9320_WriteRegister(0x12,(1《《8)|(1《《4)|(0《《0));//Power Control 3.(0x0138)
LCD_ili9320_WriteRegister(0x13,0x0b00);//Power Control 4.
LCD_ili9320_WriteRegister(0x29,0x0000); //Power Control 7.
LCD_ili9320_WriteRegister(0x2b,(1《《14)|(1《《4));//帧速率和颜色操控—70
LCD_ili9320_WriteRegister(0x50,0);//Set X Star240*320
LCD_ili9320_WriteRegister(0x51,239); //水平GRAM停止方位Set X End.
LCD_ili9320_WriteRegister(0x52,0);//Set Y Star
LCD_ili9320_WriteRegister(0x53,319);//Set Y End.t.
LCD_ili9320_WriteRegister(0x60,0x2700);//门扫描操控器
LCD_ili9320_WriteRegister(0x61,0x0001);//Driver Output Control.
LCD_ili9320_WriteRegister(0x6a,0x0000); //Vertical Srcoll Control.
LCD_ili9320_WriteRegister(0x80,0x0000); //部分印象操控器1
LCD_ili9320_WriteRegister(0x81,0x0000); //部分印象操控器1–开始地址
LCD_ili9320_WriteRegister(0x82,0x0000); //部分印象操控器1–停止地址
LCD_ili9320_WriteRegister(0x83,0x0000); //Displsy Position? Partial Display 2.
LCD_ili9320_WriteRegister(0x84,0x0000); //RAM Address Start? Partial Display 2.
LCD_ili9320_WriteRegister(0x85,0x0000); //RAM Address End? Partial Display 2.
LCD_ili9320_WriteRegister(0x90,(0《《7)|(16《《0)); //平板接口操控器1(0x0013)
LCD_ili9320_WriteRegister(0x92,0x0000);//Panel Interface Contral 2.(0x0000)
LCD_ili9320_WriteRegister(0x93,0x0001); //Panel Interface Contral 3.
LCD_ili9320_WriteRegister(0x95,0x0110); //Frame Cycle Contral.(0x0110)
LCD_ili9320_WriteRegister(0x97,(0《《8)); //
LCD_ili9320_WriteRegister(0x98,0x0000); //Frame Cycle Contral.
LCD_ili9320_WriteRegister(0x07,0x0173);//(0x0173)
}
else if(DeviceCode==0x9325||DeviceCode==0x9328)//ILI9325
{
LCD_ili9320_WriteRegister(0x00e7,0x0010);
LCD_ili9320_WriteRegister(0x0000,0x0001); //敞开内部时钟
LCD_ili9320_WriteRegister(0x0001,0x0100);
LCD_ili9320_WriteRegister(0x0002,0x0700); //电源敞开
LCD_ili9320_WriteRegister(0x0003,(1《《12)|(3《《4)|(0《《3) ); //65K
LCD_ili9320_WriteRegister(0x0004,0x0000);
LCD_ili9320_WriteRegister(0x0008,0x0207);
LCD_ili9320_WriteRegister(0x0009,0x0000);
LCD_ili9320_WriteRegister(0x000a,0x0000);//display setting
LCD_ili9320_WriteRegister(0x000c,0x0001); //display setting
LCD_ili9320_WriteRegister(0x000d,0x0000);//0f3c
LCD_ili9320_WriteRegister(0x000f,0x0000);
//电源装备
LCD_ili9320_WriteRegister(0x0010,0x0000);
LCD_ili9320_WriteRegister(0x0011,0x0007);
LCD_ili9320_WriteRegister(0x0012,0x0000);
LCD_ili9320_WriteRegister(0x0013,0x0000);
delayms(5);
LCD_ili9320_WriteRegister(0x0010,0x1590);
LCD_ili9320_WriteRegister(0x0011,0x0227);
delayms(5);
LCD_ili9320_WriteRegister(0x0012,0x009c);
delayms(5);
LCD_ili9320_WriteRegister(0x0013,0x1900);
LCD_ili9320_WriteRegister(0x0029,0x0023);
LCD_ili9320_WriteRegister(0x002b,0x000e);
delayms(5);
LCD_ili9320_WriteRegister(0x0020,0x0000);
LCD_ili9320_WriteRegister(0x0021,0x013f);
delayms(5);
//伽马校对
LCD_ili9320_WriteRegister(0x0030,0x0007);
LCD_ili9320_WriteRegister(0x0031,0x0707);
LCD_ili9320_WriteRegister(0x0032,0x0006);
LCD_ili9320_WriteRegister(0x0035,0x0704);
LCD_ili9320_WriteRegister(0x0036,0x1f04);
LCD_ili9320_WriteRegister(0x0037,0x0004);
LCD_ili9320_WriteRegister(0x0038,0x0000);
LCD_ili9320_WriteRegister(0x0039,0x0706);
LCD_ili9320_WriteRegister(0x003c,0x0701);
LCD_ili9320_WriteRegister(0x003d,0x000f);
delayms(5);
LCD_ili9320_WriteRegister(0x0050,0x0000); //水平GRAM开始方位
LCD_ili9320_WriteRegister(0x0051,0x00ef);//水平GRAM停止方位
LCD_ili9320_WriteRegister(0x0052,0x0000); //笔直GRAM开始方位
LCD_ili9320_WriteRegist