溫度測量液晶顯示
單片機源程序如下:
- /*===================================================================================================
- 文件功能描述:320x240TFT驅動程序,控制TFT實現漢字,字符顯示,畫點功能。
- ====================================================================================================*/
- //******************包含頭文件***************************
- #include"NBCTFT.h"
- #include"reg52.h"
- //**************控制端口定義********************
- #define DataPort P0 //數據口使用DataPort
- sbit RS =P2^5; //數據/命令選擇
- sbit RW =P2^4; //寫數據/命令
- sbit nRD =P2^3; //讀控制
- sbit CS =P2^2; //片選
- sbit RES =P2^1; //復位
- sbit LE =P2^0; //74HC573鎖存控制
- //**************聲明外部函數和變量**************
- extern unsigned int Device_code;
- //================================================================================================
- // 實現功能: 延時
- // 輸入參數: count 設置延時時間
- //================================================================================================
- void delayms(unsigned int count)
- {
- int i,j;
- for(i=0;i<count;i++)
- {
- for(j=0;j<255;j++);
- }
- }
- //================================================================================================
- // 實現功能: 寫命令
- // 輸入參數: DH 需要輸入16bits命令的高8位
- // DL 需要輸入16bits命令的低8位
- //================================================================================================
- void Write_Cmd(unsigned char DH,unsigned char DL)
- {
- CS=0;
- RS=0;
- nRD=1;
- RW=0;
- //注意:當使用8位數據口驅動16位數據模式時,使用74HC573作為IO擴展,程序如下
- DataPort=DL; //送低8位命令給573待鎖存
- LE=1; //鎖存位
- LE=0; //斷開鎖存,位選573的Q7~Q0仍保持
- DataPort=DH; //送高8位命令給TFT
- /*
- //如果使用16位數據口驅動16位數據模式,則無需IO擴展,直接將數據送到數據口即可
- DataPort_L=DL;
- DataPort_H=DH;
- */
- RW=1;
- CS=1;
- }
- //================================================================================================
- // 實現功能: 寫數據(2*8bits)
- // 輸入參數: DH 需要輸入16bits數據的高8位
- // DL 需要輸入16bits數據的低8位
- //================================================================================================
- void Write_Data(unsigned char DH,unsigned char DL)
- {
-
- CS=0;
- RS=1;
- //注意:當使用8位數據口驅動16位數據模式時,使用74HC573作為IO擴展,程序如下
- DataPort=DL; //送低8位數據給573待鎖存
- LE=1; //鎖存位
- LE=0; //斷開鎖存,位選573的Q7~Q0仍保持
- DataPort=DH; //送高8位數據給TFT
- /*
- //如果使用16位數據口驅動16位數據模式,則無需IO擴展,直接將數據送到數據口即可
- DataPort_L=DL;
- DataPort_H=DH;
- */
- RW=0;
- RW=1;
- CS=1;
- }
- //================================================================================================
- // 實現功能: 寫數據(16位)
- // 輸入參數: y 需要輸入16bits數據
- //================================================================================================
- void Write_Data_U16(unsigned int y)
- {
- unsigned char m,n;
- m=y>>8;
- n=y;
- Write_Data(m,n);
- }
- //================================================================================================
- // 實現功能: 向x寄存器寫入y數據
- // 輸入參數: x 需要輸入的命令 16位
- // y 需要輸入的數據 16位
- //================================================================================================
- void Write_Cmd_Data (unsigned char x,unsigned int y)
- {
- unsigned char m,n;
- m=y>>8;
- n=y;
- Write_Cmd(0x00,x);
- Write_Data(m,n);
- }
- //================================================================================================
- // 實現功能: TFT清屏
- // 輸入參數: bColor 清屏所使用的背景色
- //================================================================================================
- void CLR_Screen(unsigned int bColor)
- {
- unsigned int i,j;
- LCD_SetPos(0,240,0,320);//320x240
- for (i=0;i<320;i++)
- {
- for (j=0;j<240;j++)
- Write_Data_U16(bColor);
- }
- }
- //================================================================================================
- // 實現功能: 顯示Ascii字符
- // 輸入參數: x 橫坐標
- // y 縱坐標
- // c 需要顯示的字符
- // fColor 字符顏色
- // bColor 字符背景顏色
- //================================================================================================
- #include "Ascii_8x16.h"
- void LCD_PutChar(unsigned short x, unsigned short y, char c, unsigned int fColor, unsigned int bColor)
- {
- unsigned int i,j;
- LCD_SetPos(x,x+8-1,y,y+16-1); //設置字符顯示位置
- for(i=0; i<16;i++) { //循環寫入16字節,一個字符為16字節
- unsigned char m=Font8x16[(c-0x20)*16+i]; //提取c字符的第i個字節以,c減去0x20是由于Ascii碼庫中的0~1f被去掉
- for(j=0;j<8;j++) { //循環寫入8位,一個字節為8位
- if((m&0x80)==0x80) { //判斷最高位是否為1
- Write_Data_U16(fColor); //最高位為1,寫入字符顏色
- }
- else {
- Write_Data_U16(bColor); //最高位為0,寫入背景顏色
- }
- m<<=1; //左移1位,準備寫下一位
- }
- }
- }
- //================================================================================================
- // 實現功能: 顯示16x16漢字
- // 輸入參數: x 橫坐標
- // y 縱坐標
- // g 需要顯示的字符編碼
- // fColor 字符顏色
- // bColor 字符背景顏色
- //================================================================================================
- #include "chinese.h" //包含16*16漢字字模
- void Put16x16(unsigned short x, unsigned short y, unsigned char g[2], unsigned int fColor,unsigned int bColor)
- {
- unsigned int i,j,k;
- LCD_SetPos(x, x+16-1,y, y+16-1); //設置漢字顯示位置
- for (k=0;k<64;k++) //循環64次,查詢漢字字模位置
- {
- if ((ch16[k].GBK[0]==g[0])&&(ch16[k].GBK[1]==g[1])) //判斷第k個漢字的編碼是否與輸入漢字g[2]相等
- {
- for(i=0;i<32;i++) //如果相等,既已找到待顯示字模位置,循環寫入32字節
- {
- unsigned short m=ch16[k].hz16[i]; //讀取32字節中的第i字節
- for(j=0;j<8;j++) //循環寫入8位數據
- {
- if((m&0x80)==0x80) Write_Data_U16(fColor); //判斷最高位是否為1,最高位為1,寫入字符顏色
- else Write_Data_U16(bColor); //最高位為0,寫入背景顏色
- m<<=1; //左移1位,準備寫下一位
- }
- }
- }
- }
- }
- //================================================================================================
- // 實現功能: 顯示中英文字符串
- // 輸入參數: x 橫坐標
- // y 縱坐標
- // *s 待顯示的字符串,例如LCD_PutString(24,16,"123藍芯",White,Blue);即把"123藍芯"的第一個字符地址賦給指針變量s.
- // bColor 字符背景顏色
- //================================================================================================
- void LCD_PutString(unsigned short x, unsigned short y, unsigned char *s, unsigned int fColor, unsigned int bColor)
- {
- unsigned char l=0; //顯示屏位置增量
- while(*s)
- {
- if( *s < 0x80) //判斷s指向的字符串中的某字符的編碼值是否小于128,如果小于,即為ASCII字符
- {
- LCD_PutChar(x+l*8,y,*s,fColor,bColor);//顯示該字符
- s++;l++; //指針加1,位置加1
- }
- else
- {
- Put16x16(x+l*8,y,(unsigned char*)s,fColor,bColor);//顯示該漢字
- s+=2;l+=2; //因為漢字為編碼為2字節,指針加2,顯示16x16所以位置加2
- }
- }
- }
- //================================================================================================
- // 實現功能: 指定位置顯示RGB顏色
- // 輸入參數: x0,y0 起始坐標
- // x1,y1 結束坐標
- // Color 背景顏色
- //================================================================================================
- void Show_RGB (unsigned int x0,unsigned int x1,unsigned int y0,unsigned int y1,unsigned int Color)
- {
- unsigned int i,j;
- LCD_SetPos(x0,x1,y0,y1); //設置顯示位置
- for (i=y0;i<=y1;i++)
- {
- for (j=x0;j<=x1;j++)
- Write_Data_U16(Color);
- }
- }
- //================================================================================================
- // 實現功能: TFT初始化
- //================================================================================================
- void TFT_Initial(void)
- {
- RES = 1;
- delayms(1); // Delay 1ms
- RES = 0;
- delayms(10); // Delay 10ms
- RES = 1;
- delayms(50); // Delay 50 ms
-
- if(Device_code==0x9320)
- {
- //************* Start Initial Sequence **********//
- Write_Cmd_Data(0x00,0x0001); //Set the OSC bit as ‘1’ to start the internal oscillator
- Write_Cmd_Data(0x01,0x0100); // set SS and SM bit
- Write_Cmd_Data(0x02,0x0700); // set 1 line inversion
- Write_Cmd_Data(0x03,0x1030); //set GRAM Write direction and BGR=1
- Write_Cmd_Data(0x04,0x0000); // Resize register
- Write_Cmd_Data(0x08,0x0202); // set the back porch and front porch
- Write_Cmd_Data(0x09,0x0000); // set non-display area refresh cycle ISC[3:0]
- Write_Cmd_Data(0x0A,0x0000); // FMARK function
- Write_Cmd_Data(0x0C,0x0000); // RGB interface setting
- Write_Cmd_Data(0x0D,0x0000); // Frame marker Position
- Write_Cmd_Data(0x0F,0x0000); // RGB interface polarity
- delayms(30);
- //*************Power On sequence ****************//
- Write_Cmd_Data(0x10, 0x16b0); // SAP, BT[3:0], AP, DSTB, SLP, STB
- delayms(30);
- Write_Cmd_Data(0x11, 0x0007); //Write final user’s setting values to VC bit
- Write_Cmd_Data(0x12, 0x013a); // set Internal reference voltage
- Write_Cmd_Data(0x13, 0x1a00); // VDV[4:0] for VCOM amplitude
- delayms(30);
- Write_Cmd_Data(0x29, 0x000c); // Set VCM[5:0] for VCOMH
- delayms(30); // Delay 50ms
- // ----------- Adjust the Gamma Curve ----------//
- Write_Cmd_Data(0x0030, 0x0000);
- Write_Cmd_Data(0x0031, 0x0505);
- Write_Cmd_Data(0x0032, 0x0304);
- Write_Cmd_Data(0x0035, 0x0006);
- Write_Cmd_Data(0x0036, 0x0707);
- Write_Cmd_Data(0x0037, 0x0105);
- Write_Cmd_Data(0x0038, 0x0002);
- Write_Cmd_Data(0x0039, 0x0707);
- Write_Cmd_Data(0x003C, 0x0704);
- Write_Cmd_Data(0x003D, 0x0807);
- //------------------ Set GRAM area ---------------//
- Write_Cmd_Data(0x0050, 0x0000); // Horizontal GRAM Start Address
- Write_Cmd_Data(0x0051, 0x00EF); // Horizontal GRAM End Address
- Write_Cmd_Data(0x0052, 0x0000); // Vertical GRAM Start Address
- Write_Cmd_Data(0x0053, 0x013F); // Vertical GRAM Start Address
- Write_Cmd_Data(0x0060, 0x2700); // Gate Scan Line
- Write_Cmd_Data(0x0061, 0x0001); // NDL,VLE, REV
- Write_Cmd_Data(0x006A, 0x0000); // set scrolling line
- Write_Cmd_Data(0x20, 0x0000); // GRAM horizontal Address
- Write_Cmd_Data(0x21, 0x0000); // GRAM Vertical Address
- //-------------- Partial Display Control ---------//
- Write_Cmd_Data(0x0080, 0x0000);
- Write_Cmd_Data(0x0081, 0x0000);
- Write_Cmd_Data(0x0082, 0x0000);
- Write_Cmd_Data(0x0083, 0x0000);
- Write_Cmd_Data(0x0084, 0x0000);
- Write_Cmd_Data(0x0085, 0x0000);
- //-------------- Panel Control ---------//
- Write_Cmd_Data(0x90,0x0010); //Frame Cycle Contral
- Write_Cmd_Data(0x92,0x0000); //Panel Interface Contral
- Write_Cmd_Data(0x93,0x0003); //Panel Interface Contral 3.
- Write_Cmd_Data(0x95,0x0110); //Frame Cycle Contral
- Write_Cmd_Data(0x97,0x0000); //
- Write_Cmd_Data(0x98,0x0000); //Frame Cycle Contral.
- //-------------- Display on ---------//
- Write_Cmd_Data(0x07,0x0173);
- }
- else if(Device_code==0x1505 )
- {
- //************* Start Initial Sequence **********//
- Write_Cmd_Data(0x00,0x0001); //Set the OSC bit as ‘1’ to start the internal oscillator
- Write_Cmd_Data(0x01,0x0100); // set SS and SM bit
- Write_Cmd_Data(0x02,0x0700); // set 1 line inversion
- Write_Cmd_Data(0x03,0x1030); //set GRAM Write direction and BGR=1
- Write_Cmd_Data(0x04,0x0000); // Resize register
- Write_Cmd_Data(0x08,0x0202); // set the back porch and front porch
- Write_Cmd_Data(0x09,0x0000); // set non-display area refresh cycle ISC[3:0]
- Write_Cmd_Data(0x0A,0x0000); // FMARK function
- Write_Cmd_Data(0x0C,0x0000); // RGB interface setting
- Write_Cmd_Data(0x0D,0x0000); // Frame marker Position
- Write_Cmd_Data(0x0F,0x0000); // RGB interface polarity
- delayms(30);
- //*************Power On sequence ****************//
- Write_Cmd_Data(0x10, 0x16b0); // SAP, BT[3:0], AP, DSTB, SLP, STB
- delayms(30);
- Write_Cmd_Data(0x11, 0x0007); //Write final user’s setting values to VC bit
- Write_Cmd_Data(0x12, 0x013a); // set Internal reference voltage
- Write_Cmd_Data(0x13, 0x1a00); // VDV[4:0] for VCOM amplitude
- delayms(30);
- Write_Cmd_Data(0x29, 0x000c); // Set VCM[5:0] for VCOMH
- delayms(30); // Delay 50ms
- // ----------- Adjust the Gamma Curve ----------//
- Write_Cmd_Data(0x0030, 0x0000);
- Write_Cmd_Data(0x0031, 0x0505);
- Write_Cmd_Data(0x0032, 0x0304);
- Write_Cmd_Data(0x0035, 0x0006);
- Write_Cmd_Data(0x0036, 0x0707);
- Write_Cmd_Data(0x0037, 0x0105);
- Write_Cmd_Data(0x0038, 0x0002);
- Write_Cmd_Data(0x0039, 0x0707);
- Write_Cmd_Data(0x003C, 0x0704);
- Write_Cmd_Data(0x003D, 0x0807);
- //------------------ Set GRAM area ---------------//
- Write_Cmd_Data(0x0050, 0x0000); // Horizontal GRAM Start Address
- Write_Cmd_Data(0x0051, 0x00EF); // Horizontal GRAM End Address
- Write_Cmd_Data(0x0052, 0x0000); // Vertical GRAM Start Address
- Write_Cmd_Data(0x0053, 0x013F); // Vertical GRAM Start Address
- Write_Cmd_Data(0x0060, 0x2700); // Gate Scan Line
- Write_Cmd_Data(0x0061, 0x0001); // NDL,VLE, REV
- Write_Cmd_Data(0x006A, 0x2700); // set scrolling line
- Write_Cmd_Data(0x20, 0x0000); // GRAM horizontal Address
- Write_Cmd_Data(0x21, 0x0000); // GRAM Vertical Address
- //-------------- Partial Display Control ---------//
- Write_Cmd_Data(0x0080, 0x0000);
- Write_Cmd_Data(0x0081, 0x0000);
- Write_Cmd_Data(0x0082, 0x0000);
- Write_Cmd_Data(0x0083, 0x0000);
- Write_Cmd_Data(0x0084, 0x0000);
- Write_Cmd_Data(0x0085, 0x0000);
- //-------------- Panel Control ---------//
- Write_Cmd_Data(0x90,0x0010); //Frame Cycle Contral
- Write_Cmd_Data(0x92,0x0000); //Panel Interface Contral
- Write_Cmd_Data(0x93,0x0003); //Panel Interface Contral 3.
- Write_Cmd_Data(0x95,0x0110); //Frame Cycle Contral
- Write_Cmd_Data(0x97,0x0000); //
- Write_Cmd_Data(0x98,0x0000); //Frame Cycle Contral.
- //-------------- Display on ---------//
- Write_Cmd_Data(0x07,0x0173);
- }
- else if(Device_code==0x9328)
- {
- //************* Start Initial Sequence **********//
- Write_Cmd_Data(0x0001,0x0100); //set SS and SM bit //設置掃描方向
- Write_Cmd_Data(0x0002,0x0700); //EOR=1 and B/C=1 to set the line inversion //設置行反轉
- Write_Cmd_Data(0x0003,0x1030); //set Entry Mode //設置進入模式
- Write_Cmd_Data(0x0004,0x0000); //
- Write_Cmd_Data(0x00A4,0x0001);
- Write_Cmd_Data(0x0008,0x0202); // set the back porch and front porch
- Write_Cmd_Data(0x0009,0x0000); // set non-display area refresh cycle ISC[3:0]
- Write_Cmd_Data(0x000A,0x0000); // FMARK function
- Write_Cmd_Data(0x000C,0x0000); // RGB interface setting
- Write_Cmd_Data(0x000D, 0x0000); // Frame marker Position
- Write_Cmd_Data(0x000F, 0x0000); // RGB interface polarity
- //*************Power On sequence ****************//
- Write_Cmd_Data(0x0010, 0x0000); // SAP, BT[3:0], AP, DSTB, SLP, STB
- Write_Cmd_Data(0x0011, 0x0007); // DC1[2:0], DC0[2:0], VC[2:0]
- Write_Cmd_Data(0x0012, 0x0000); // VREG1OUT voltage
- Write_Cmd_Data(0x0013, 0x0000); // VDV[4:0] for VCOM amplitude
- delayms(30);
- Write_Cmd_Data(0x0010, 0x1690); // SAP, BT[3:0], AP, DSTB, SLP, STB
- Write_Cmd_Data(0x0011, 0x0227); // R11h=0x0221 at VCI=3.3V, DC1[2:0], DC0[2:0], VC[2:0]
- delayms(30);
- Write_Cmd_Data(0x0012, 0x001C); // External reference voltage= Vci;
- delayms(30);
- Write_Cmd_Data(0x0013, 0x1800); // R13=1200 when R12=009D;VDV[4:0] for VCOM amplitude
- Write_Cmd_Data(0x0029, 0x001C); // R29=000C when R12=009D;VCM[5:0] for VCOMH
- Write_Cmd_Data(0x002B, 0x000D); // Frame Rate = 91Hz
- delayms(30);
- Write_Cmd_Data(0x0020, 0x0000); // GRAM horizontal Address
- Write_Cmd_Data(0x0021, 0x0000); // GRAM Vertical Address
- // ----------- Adjust the Gamma Curve ----------//
- Write_Cmd_Data(0x0030, 0x0007);
- Write_Cmd_Data(0x0031, 0x0302);
- Write_Cmd_Data(0x0032, 0x0105);
- Write_Cmd_Data(0x0035, 0x0206);
- Write_Cmd_Data(0x0036, 0x0808);
- Write_Cmd_Data(0x0037, 0x0206);
- Write_Cmd_Data(0x0038, 0x0504);
- Write_Cmd_Data(0x0039, 0x0007);
- Write_Cmd_Data(0x003C, 0x0105);
- Write_Cmd_Data(0x003D, 0x0808);
- //------------------ Set GRAM area ---------------//
- Write_Cmd_Data(0x0050, 0x0000); // Horizontal GRAM Start Address
- Write_Cmd_Data(0x0051, 0x00EF); // Horizontal GRAM End Address
- Write_Cmd_Data(0x0052, 0x0000); // Vertical GRAM Start Address
- delayms(30);
- Write_Cmd_Data(0x0053, 0x013F); // Vertical GRAM Start Address
- delayms(30);
- Write_Cmd_Data(0x0060, 0xA700); // Gate Scan Line
- ……………………
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