自学教程：C++ wr_cmd函数代码示例

unsigned int erase_single_block(int dev, unsigned int addr){	wr_cmd(dev, addr, XFL_CMD_BLOCK_ERASE_SETUP);	wr_cmd(dev, addr, XFL_CMD_CONFIRM);	return flash_wt_rdy(dev, addr);}

void S6B33BG_ColorMode(COLOR_MODE color_mode) {  wr_cmd(S6B33BG_ADDRESSING_MODE);  wr_cmd(0x1B|color_mode);  S6B33BG_color_mode=color_mode;}

void S65L2F50::setArea(int_least16_t x0, int_least16_t y0, int_least16_t x1, int_least16_t y1){  switch(lcd_orientation)  {    default:    case 0:      wr_cmd(0x15);                   //column address set       wr_dat(0x08+y0);                //start column      wr_dat(0x01);                   //start column      wr_dat(0x08+y1);                //end column      wr_dat(0x01);                   //end column      wr_cmd(0x75);                   //page address set       wr_dat(x0);                     //start page      wr_dat(x1);                     //end page      break;    //case 90:      //not implemented    //  break;    case 180:      wr_cmd(0x15);                   //column address set       wr_dat(0x08+(LCD_HEIGHT-1)-y1); //start column      wr_dat(0x01);                   //start column      wr_dat(0x08+(LCD_HEIGHT-1)-y0); //end column      wr_dat(0x01);                   //end column      wr_cmd(0x75);                   //page address set       wr_dat(x0);                     //start page      wr_dat(x1);                     //end page      break;    //case 270:      //not implemented    //  break;  }  return;}

static void ili9341_set_window (unsigned short col_l,   //                                 unsigned short col_h,	// col_l <= col_h < 320 --> x								unsigned short row_l,	// row_l <= row_h < 240	--> y								unsigned short row_h) {/*	0 ----------> X (max 319)	|	|	|	|	Y (max 239)	*/	wr_cmd(0x2A);              // Collum area set  (collum max = 320)		wr_dat((col_l>>8)& 0xFF);  // Colum high byte (lower collum)	wr_dat(col_l & 0xFF);      // Colum low byte  (lower collum)	wr_dat((col_h>>8)& 0xFF);  // Colum high byte (upper collum)	wr_dat(col_h & 0xFF);      // Colum low byte  (upper collum)    			wr_cmd(0x2B);              // Row area set	  (row max = 240)	wr_dat((row_l>>8)& 0xFF);  // Row high byte   (lower row)	wr_dat(row_l & 0xFF);      // Row low byte    (lower row)	wr_dat((row_h>>8)& 0xFF);  // Row high byte   (upper row)	wr_dat(row_h & 0xFF);      // Row low byte    (upper row)		  	wr_cmd(0x2c);}

void display_set_orientation(u08 o){    switch(o)    {        case DISPLAY_ORIENTATION_0:        display_orientation = DISPLAY_ORIENTATION_0;        display_width  = 320;        display_height = 240;        wr_cmd(0x16, 0x00A8); //MY=1 MX=0 MV=1 ML=0 BGR=1        break;        case DISPLAY_ORIENTATION_90:        display_orientation = DISPLAY_ORIENTATION_90;        display_width  = 240;        display_height = 320;        wr_cmd(0x16, 0x0008); //MY=0 MX=0 MV=0 ML=0 BGR=1        break;        case DISPLAY_ORIENTATION_180:        display_orientation = DISPLAY_ORIENTATION_180;        display_width  = 320;        display_height = 240;        wr_cmd(0x16, 0x0068); //MY=0 MX=1 MV=1 ML=0 BGR=1        break;        case DISPLAY_ORIENTATION_270:        display_orientation = DISPLAY_ORIENTATION_270;        display_width  = 240;        display_height = 320;        wr_cmd(0x16, 0x00C8); //MY=1 MX=0 MV=1 ML=0 BGR=1        break;    }    display_set_area(0, 0, display_width-1, display_height-1);}

void lock_single_block(int dev, unsigned int addr){	char status;	do	{		wr_cmd(dev, addr, XFL_CMD_BLOCK_LOCK_SETUP);		wr_cmd(dev, addr, XFL_CMD_BLOCK_LOCK_CONFIRM);		status = rd_cmd(dev, addr + 2, XFL_CMD_READ_ELEC_SIG);	}	while (status == 0);}

void MI0283QT9::setArea(int_least16_t x0, int_least16_t y0, int_least16_t x1, int_least16_t y1){  wr_cmd(LCD_CMD_COLUMN);  wr_data16(x0);  wr_data16(x1);  wr_cmd(LCD_CMD_PAGE);  wr_data16(y0);  wr_data16(y1);  return;}

void display_enable(u08 on){  if(on) {    wr_cmd(0x28, 0x0038);    _delay_ms(40);    wr_cmd(0x28, 0x003C);    } else {    wr_cmd(0x28, 0x0038);    _delay_ms(40);    wr_cmd(0x28, 0x0004);  }}

void S65LS020::setOrientation(uint_least16_t o){  uint_least8_t p1, p5;       if((o ==   9) ||           (o ==  90))  {    lcd_orientation = 90;    lcd_width  = LCD_HEIGHT;    lcd_height = LCD_WIDTH;    p1 = 0x00; //x0->x1, y0->y1    p5 = 0x00; //0x04=rotate, 0x00=normal  }  else if((o ==  18) ||           (o == 180))  {    lcd_orientation = 180;    lcd_width  = LCD_WIDTH;    lcd_height = LCD_HEIGHT;    p1 = 0x80; //x0->x1, y1->y0    p5 = 0x04; //0x04=rotate, 0x00=normal  }  else if((o ==  27) ||           (o ==  14) ||           (o == 270))  {    lcd_orientation = 270;    lcd_width  = LCD_HEIGHT;    lcd_height = LCD_WIDTH;    p1 = 0xC0; //x1->x0, y1->y0    p5 = 0x00; //0x04=rotate, 0x00=normal  }  else  {    lcd_orientation = 0;    lcd_width  = LCD_WIDTH;    lcd_height = LCD_HEIGHT;    p1 = 0x40; //x1->x0, y0->y1    p5 = 0x04; //0x04=rotate, 0x00=normal  }  wr_cmd(0xEF, 0x90);  wr_cmd(0x01, p1);  wr_cmd(0x05, p5);  setArea(0, 0, lcd_width-1, lcd_height-1);  return;}

void NokiaN70_SetWindow(uint16_t x0,uint16_t y0,uint16_t x1,uint16_t y1) {  wr_cmd(COLUMN_ADDRESS_SET);  wr_dat(x0>>8);  wr_dat(x0);  wr_dat(x1>>8);  wr_dat(x1);  wr_cmd(PAGE_ADDRESS_SET);  wr_dat(y0>>8);  wr_dat(y0);  wr_dat(y1>>8);  wr_dat(y1);}

unsigned int wr_data_B(int dev, unsigned int addr, char data){	wr_cmd(dev, addr, XFL_CMD_PROGRAM_SETUP);	wr_byte(dev, addr, data);	return flash_wt_rdy(dev, addr);}

void NokiaN70_PartialArea(uint16_t y0,uint16_t y1) {  wr_cmd(PARTIAL_AREA);  wr_dat(y0>>8);  wr_dat(y0);  wr_dat(y1>>8);  wr_dat(y1);}

void SPI_TFT_ILI9341::window (unsigned int x, unsigned int y, unsigned int w, unsigned int h){    wr_cmd(0x2A);    SPI::write(x >> 8);    SPI::write(x);    SPI::write((x+w-1) >> 8);    SPI::write(x+w-1);        _cs = 1;    wr_cmd(0x2B);    SPI::write(y >> 8);    SPI::write(y);    SPI::write((y+h-1) >> 8);    SPI::write(y+h-1);    _cs = 1;}

static __inline void wr_reg (unsigned char reg, unsigned short val) {  	Clr_Cs;	wr_cmd(reg);      	wr_dat(val);    	Set_Cs; }

static inline void wr_reg (unsigned char reg, unsigned short val) {  LCD_CS(0)  wr_cmd(reg);  wr_dat(val);  LCD_CS(1)}

void GLCD_DrawChar (unsigned int x, unsigned int y, unsigned short *c) {  int idx = 0, i, j;  x = WIDTH-x-CHAR_W;  wr_reg(0x50, y);                      /* Horizontal GRAM Start Address      */  wr_reg(0x51, y+CHAR_H-1);             /* Horizontal GRAM End   Address (-1) */  wr_reg(0x52, x);                      /* Vertical   GRAM Start Address      */  wr_reg(0x53, x+CHAR_W-1);             /* Vertical   GRAM End   Address (-1) */  wr_reg(0x20, y);  wr_reg(0x21, x);  LCD_CS(0)  wr_cmd(0x22);  wr_dat_start();  for (j = 0; j < CHAR_H; j++) {    for (i = CHAR_W-1; i >= 0; i--) {      if((c[idx] & (1 << i)) == 0x00) {        wr_dat_only(BackColor);      } else {        wr_dat_only(TextColor);      }    }    c++;  }  wr_dat_stop();}

void GLCD_Bargraph (unsigned int x, unsigned int y, unsigned int w, unsigned int h, unsigned int val) {  int i,j;  x = WIDTH-x-w;  wr_reg(0x50, y);                      /* Horizontal GRAM Start Address      */  wr_reg(0x51, y+CHAR_H-1);             /* Horizontal GRAM End   Address (-1) */  wr_reg(0x52, x);                      /* Vertical   GRAM Start Address      */  wr_reg(0x53, x+w-1);                  /* Vertical   GRAM End   Address (-1) */  val = (val * w) >> 10;                /* Scale value for 24x12 characters   */  wr_reg(0x20, y);  wr_reg(0x21, x);  LCD_CS(0)  wr_cmd(0x22);  wr_dat_start();  for (i = 0; i < h; i++) {    for (j = w-1; j >= 0; j--) {      if(j >= val) {        wr_dat_only(BackColor);      } else {        wr_dat_only(TextColor);      }    }  }  wr_dat_stop();}

void S65LS020::invertDisplay(uint_least8_t invert){  wr_cmd(0xEF, 0xB0);  if(invert == 0)  {    wr_cmd(0x49, 0x02);  }  else  {    wr_cmd(0x49, 0x03);  }  wr_cmd(0xEF, 0x90);  wr_cmd(0x00, 0x00);  return;}

void GLCD_bitmap (unsigned int x, unsigned int y, unsigned int w, unsigned int h, const unsigned short *bitmap) {  unsigned int   i;  unsigned int   len = w*h;  const unsigned short *bitmap_ptr = (const unsigned short *)bitmap;#ifdef ILI9341  ili9341_set_window (x, x + w-1, y, y + h - 1);  for (i = 0; i < len; i++) {    wr_dat(*bitmap_ptr++);  }#else  wr_reg(0x50, y);                      /* Horizontal GRAM Start Address      */  wr_reg(0x51, y+h-1);                  /* Horizontal GRAM End   Address (-1) */  wr_reg(0x52, x);                      /* Vertical   GRAM Start Address      */  wr_reg(0x53, x+w-1);                  /* Vertical   GRAM End   Address (-1) */  wr_reg(0x20, y);  wr_reg(0x21, x);  Clr_Cs;  wr_cmd(0x22);  for (i = 0; i < len; i++) {    wr_dat(*bitmap_ptr++);  }  Set_Cs;#endif}

uint8_t NokiaN70_Init(uint8_t AddressSetupTime,uint8_t DataSetupTime) {  GPIO_Configuration();  FSMC_LCD_Init(AddressSetupTime,DataSetupTime);  lcd_rst();  wr_cmd(SLEEP_OUT);  wr_cmd(DISPLAY_INVERSION_OFF);  wr_cmd(IDLE_MODE_OFF);  wr_cmd(NORMAL_DISPLAY_MODE_ON);  DWT_Delay(125000);  wr_cmd(DISPLAY_ON);  return NokiaN70_OK;}

void TFT_ILI9325::fill(int x, int y, int w, int h, uint16_t color) {	uint32_t i, size;	uint8_t *blk;	// alloc memory	blk = new uint8_t[TFT_BLK_SIZE + 1];	size = (LCD_WIDTH * LCD_HEIGHT) * 2;	// fill color	blk[0] = SSP_START | SSP_WR | SSP_DATA;	for (i = 0; i < TFT_BLK_SIZE && i < size; i += 2) {		blk[i + 1] = color >> 8;		blk[i + 2] = color & 0xFF;	}	CThread::suspendAll();	// write to tft-lcd	setWindow(x, y, w, h);	wr_cmd(0x22);	do {		spi.readwrite(blk, NULL, TFT_BLK_SIZE + 1);		size -= TFT_BLK_SIZE;	} while (size > 0);	CThread::resumeAll();	delete blk;}

void S65L2F50::drawStart(void){  wr_cmd(0x5C);  RS_DISABLE(); //data  CS_ENABLE();  return;}

static unsigned short rd_reg (unsigned short reg) {  	Clr_Cs;	wr_cmd(reg);     	reg = rd_dat();      		Set_Cs;	return reg;}

/******************************************************************************** Draw character on given position (line, coloum                               **   Parameter:     x :        horizontal position                              **                  y :        vertical position                                **                  c*:        pointer to color value                           **   Return:                                                                    ********************************************************************************/void GLCD_drawChar(unsigned int x, unsigned int y, unsigned short *c) {#ifdef ILI9341  unsigned int index = 0;  int  i = 0;  ili9341_set_window (y, y + 15, x, x + 23);    for(index = 0; index < 24; index++)  {    for(i = 0; i < 16; i++)    {      if((c[index] & (1 << i)) == 0x00) {         wr_dat(BackColor);      } else {         wr_dat(TextColor);      }    }  } 	#else /* ILI9341 */  unsigned int index = 0;  int  i = 0;  unsigned int Xaddress = 0;     Xaddress = x;  wr_reg(0x21, y);  wr_reg(0x20, Xaddress);  for(index = 0; index < 24; index++)  {  	Clr_Cs;    wr_cmd(0x22);              /* Prepare to write GRAM */    for(i = 0; i <= 15; i++)    {      if((c[index] & (1 << i)) == 0x00) {         wr_dat(BackColor);      } else {         wr_dat(TextColor);      }    }	Set_Cs;    Xaddress++;	wr_reg(0x21, y);    wr_reg(0x20, Xaddress);  }#endif /* ILI9341 */}

void GLCD_PutPixel (unsigned int x, unsigned int y) {  wr_reg(0x20, y);  wr_reg(0x21, WIDTH-1-x);  LCD_CS(0)  wr_cmd(0x22);  wr_dat(TextColor);  LCD_CS(1)}