LCD.rar_CCD_arm ccd_arm显示lcd_倒车_单片机

#include "def.h" #include "2440addr.h" #include "2440slib.h" #define MVAL (13) #define MVAL_USED (0) //0=each frame 1=rate by MVAL #define INVVDEN (1) //0=normal 1=inverted #define BSWP (0) //Byte swap control #define HWSWP (1) //Half word swap control #define M5D(n) ((n) & 0x1fffff) // To get lower 21bits #define LCD_XSIZE_TFT_240320 (240) #define LCD_YSIZE_TFT_240320 (320) #define SCR_XSIZE_TFT_240320 (240) #define SCR_YSIZE_TFT_240320 (320) #define HOZVAL_TFT_240320 (LCD_XSIZE_TFT_240320-1) #define LINEVAL_TFT_240320 (LCD_YSIZE_TFT_240320-1) #define VBPD_240320 (1) //垂直同步信号的后肩 #define VFPD_240320 (5) //垂直同步信号的前肩 #define VSPW_240320 (1) //垂直同步信号的脉宽 #define HBPD_240320 (36) //水平同步信号的后肩 #define HFPD_240320 (19) //水平同步信号的前肩 #define HSPW_240320 (5) //水平同步信号的脉宽 #define CLKVAL_TFT_240320 (1) //FCLK=180MHz,HCLK=90MHz,VCLK=6.5MHz // GPB1/TOUT1 for Backlight control(PWM) #define GPB1_TO_OUT() (rGPBUP &= 0xfffd, rGPBCON &= 0xfffffff3, rGPBCON |= 0x00000004) #define GPB1_TO_1() (rGPBDAT |= 0x0002) #define GPB1_TO_0() (rGPBDAT &= 0xfffd) static void Lcd_PowerEnable(int invpwren,int pwren); //extern unsigned char camera_pic_240x320[]; volatile static unsigned short LCD_BUFFER[SCR_YSIZE_TFT_240320][SCR_XSIZE_TFT_240320]; void ChangeMPllValue(int mdiv,int pdiv,int sdiv) { rMPLLCON = (mdiv<<12) | (pdiv<<4) | sdiv; } void ChangeClockDivider(int hdivn_val,int pdivn_val) { int hdivn=2, pdivn=0; // hdivn_val (FCLK:HCLK)ratio hdivn // 11 1:1 (0) // 12 1:2 (1) // 13 1:3 (3) // 14 1:4 (2) // pdivn_val (HCLK:PCLK)ratio pdivn // 11 1:1 (0) // 12 1:2 (1) switch(hdivn_val) { case 11: hdivn=0; break; case 12: hdivn=1; break; case 13: case 16: hdivn=3; break; case 14: case 18: hdivn=2; break; } switch(pdivn_val) { case 11: pdivn=0; break; case 12: pdivn=1; break; } rCLKDIVN = (hdivn<<1) | pdivn; switch(hdivn_val) { case 16: // when 1, HCLK=FCLK/8. rCAMDIVN = (rCAMDIVN & ~(3<<8)) | (1<<8); break; case 18: // when 1, HCLK=FCLK/6. rCAMDIVN = (rCAMDIVN & ~(3<<8)) | (1<<9); break; } if(hdivn!=0) MMU_SetAsyncBusMode(); else MMU_SetFastBusMode(); } /************************************************************** 320×240 16Bpp TFT LCD功能模块初始化 **************************************************************/ static void Lcd_Init(void) { rGPCUP = 0x00000000; rGPCCON = 0xaaaa02a9; // Disable Pull-up register rGPDUP = 0x00000000; rGPDCON=0xaaaaaaaa; //Initialize VD[15:8] rLCDCON1=(CLKVAL_TFT_240320<<8)|(MVAL_USED<<7)|(3<<5)|(12<<1)|0; // TFT LCD panel,16bpp TFT,ENVID=off rLCDCON2=(VBPD_240320<<24)|(LINEVAL_TFT_240320<<14)|(VFPD_240320<<6)|(VSPW_240320); rLCDCON3=(HBPD_240320<<19)|(HOZVAL_TFT_240320<<8)|(HFPD_240320); rLCDCON4=(MVAL<<8)|(HSPW_240320); rLCDCON5 = (1<<11) | (1<<10) | (1<<9) | (1<<8) | (0<<7) | (0<<6) | (1<<3) |(BSWP<<1) | (HWSWP); rLCDSADDR1=(((U32)LCD_BUFFER>>22)<<21)|M5D((U32)LCD_BUFFER>>1); rLCDSADDR2=M5D( ((U32)LCD_BUFFER+(SCR_XSIZE_TFT_240320*LCD_YSIZE_TFT_240320*2))>>1 ); rLCDSADDR3=(((SCR_XSIZE_TFT_240320-LCD_XSIZE_TFT_240320)/1)<<11)|(LCD_XSIZE_TFT_240320/1); rLCDINTMSK|=(3); // MASK LCD Sub Interrupt rTCONSEL &= (~7) ; // Disable LPC3480 rTPAL=0; // Disable Temp Palette } /************************************************************** LCD视频和控制信号输出或者停止，1开启视频输出 **************************************************************/ static void Lcd_EnvidOnOff(int onoff) { if(onoff==1) rLCDCON1|=1; // ENVID=ON else rLCDCON1 =rLCDCON1 & 0x3fffe; // ENVID Off } void LcdBkLtSet(U32 HiRatio) { #define FREQ_PWM1 1000 if(!HiRatio) { rGPBCON = rGPBCON & (~(3<<2)) | (1<<2) ; //GPB1设置为output rGPBDAT &= ~(1<<1); return; } rGPBCON = rGPBCON & (~(3<<2)) | (2<<2) ; //GPB1设置为TOUT1 if( HiRatio > 100 ) HiRatio = 100 ; rTCON = rTCON & (~(0xf<<8)) ; // clear manual update bit, stop Timer1 rTCFG0 &= 0xffffff00; // set Timer 0&1 prescaler 0 rTCFG0 |= 15; //prescaler = 15+1 rTCFG1 &= 0xffffff0f; // set Timer 1 MUX 1/16 rTCFG1 |= 0x00000030; // set Timer 1 MUX 1/16 rTCNTB1 = ( 100000000>>8 )/FREQ_PWM1; //if set inverter off, when TCNT2<=TCMP2, TOUT is high, TCNT2>TCMP2, TOUT is low rTCMPB1 = ( rTCNTB1*(100-HiRatio))/100 ; //if set inverter on, when TCNT2<=TCMP2, TOUT is low, TCNT2>TCMP2, TOUT is high rTCON = rTCON & (~(0xf<<8)) | (0x0e<<8) ; //自动重装,输出取反关闭,更新TCNTBn、TCMPBn,死区控制器关闭 rTCON = rTCON & (~(0xf<<8)) | (0x0d<<8) ; //开启背光控制 } /************************************************************** 240×320 8Bpp TFT LCD 电源控制引脚使能 **************************************************************/ static void Lcd_PowerEnable(int invpwren,int pwren) { //GPG4 is setted as LCD_PWREN rGPGUP=rGPGUP&(~(1<<4))|(1<<4); // Pull-up disable rGPGCON=rGPGCON&(~(3<<8))|(3<<8); //GPG4=LCD_PWREN rGPGDAT = rGPGDAT | (1<<4) ; // invpwren=pwren; //Enable LCD POWER ENABLE Function rLCDCON5=rLCDCON5&(~(1<<3))|(pwren<<3); // PWREN rLCDCON5=rLCDCON5&(~(1<<5))|(invpwren<<5); // INVPWREN } /************************************************************** 240×320 16Bpp TFT LCD全屏填充特定颜色单元或清屏 **************************************************************/ static void Lcd_ClearScr( U32 c) { unsigned int x,y ; for( y = 0 ; y < SCR_YSIZE_TFT_240320 ; y++ ) { for( x = 0 ; x < SCR_XSIZE_TFT_240320 ; x++ ) { LCD_BUFFER[y][x] = c ; } } } /************************************************************** 在LCD屏幕上指定坐标点画一个指定大小的图片,同时显示标尺线 **************************************************************/ static void Paint_Bmp(int x0,int y0,int h,int l,unsigned char bmp1[],unsigned char bmp2[]) { int x,y; U32 c; int p = 0; for( y = y0 ; y < l ; y++ ) { for( x = x0 ; x < h ; x++ ) { c = (bmp1[p+1] | (bmp1[p]<<8)) & (bmp2[p+1] | (bmp2[p]<<8)) ; if ( ( (x0+x) < SCR_XSIZE_TFT_240320) && ( (y0+y) < SCR_YSIZE_TFT_240320) ) LCD_BUFFER[y0+y][x0+x] = c ; p = p + 2 ; } } } void Lcd_Tft_Init(void) { //qjy: turn on the backlight! GPB1_TO_OUT(); GPB1_TO_1(); Lcd_Init(); LcdBkLtSet( 70 ) ; Lcd_PowerEnable(0, 1); Lcd_EnvidOnOff(1); //turn on vedio Lcd_ClearScr( (0x00<<11) | (0x00<<5) | (0x00) ); } //延时程序 void delay(U32 t) { U32 i; for(;t>0;t--) { for(i=0;i<10000;i++){} } } void LCD_DRIVER() { ChangeMPllValue(82,1,1); //FCLK=180.0Mhz ChangeClockDivider(1,1); // 1:2:4 FCLK:HCLK:PCLK MMU_DisableICache(); MMU_DisableDCache(); Lcd_Tft_Init(); while(1) { Paint_Bmp(0, 0, 240, 320, PIC1,guoqiang_240_320); } }