Exemplo n.º 1
0
/**
* @brief  Write pixel.   
* @param  Xpos: specifies the X position.
* @param  Ypos: specifies the Y position.
* @param  RGBCode: the RGB pixel color
* @retval None
*/
void hx8347d_WritePixel(uint16_t Xpos, uint16_t Ypos, uint16_t RGBCode)
{
  /* Set Cursor */
  hx8347d_SetCursor(Xpos, Ypos);
  
  /* Prepare to write GRAM */
  LCD_IO_WriteReg(LCD_REG_34);

  /* Write 16-bit GRAM Reg */
  LCD_IO_WriteData((uint8_t*)&RGBCode, 2);
}
Exemplo n.º 2
0
/**
* @brief  Read pixel.
* @param  None
* @retval the RGB pixel color
*/
uint16_t hx8347d_ReadPixel(uint16_t Xpos, uint16_t Ypos)
{
  /* Set Cursor */
  hx8347d_SetCursor(Xpos, Ypos);
  
  /* Dummy read */
  LCD_IO_ReadData(LCD_REG_34);
  
  /* Read 16-bit Reg */
  return (LCD_IO_ReadData(LCD_REG_34));
}
Exemplo n.º 3
0
/**
  * @brief  Open a file and draw each pixel of the corresponding file
  * @param  xpos: x position for the image 
  * @param  xpos: y position for the image
  * @param  BmpName : file name
  * @retval err: Error status (0=> success, 1=> fail)
  */
STORAGE_RETURN kStorage_OpenFileDrawPixel(uint16_t xpos, uint16_t ypos, uint8_t *BmpName)
{
  uint32_t index, size, width, height; 
#if 0
  uint32_t x;
  uint16_t color;
#endif  
  uint32_t bmpaddress, bit_pixel;
  unsigned int BytesRead;
  FIL file1;
  uint8_t *kstorage_tmpbuffer = NULL;
  
  if(f_open(&file1, (char *)BmpName, FA_READ) != FR_OK)
  {
    return KSTORAGE_ERROR_OPEN;
  }
  
  /* Memory allocation for the BMP header */
  kstorage_tmpbuffer = malloc(sizeof(uint8_t)*30);
  if(kstorage_tmpbuffer==NULL)
  {
    f_close(&file1);
    return KSTORAGE_ERROR_MALLOC;
  }

  /* Read BMP header */
  if(f_read(&file1, (char *)kstorage_tmpbuffer, 30, &BytesRead) != FR_OK)
  {
    free(kstorage_tmpbuffer);
    f_close(&file1);
    return KSTORAGE_ERROR_READ;
  }
    
  /* get the bmpadress */
  bmpaddress = (uint32_t)kstorage_tmpbuffer;
  
  /* Read bitmap size */
  size  =  *(uint16_t *) (bmpaddress + 2);
  size |= (*(uint16_t *) (bmpaddress + 4)) << 16;
  
  /* Get bitmap data address offset */
  index  =  *(uint16_t *) (bmpaddress + 10);
  index |= (*(uint16_t *) (bmpaddress + 12)) << 16;
  
  /* Read bitmap width */
  width  =  *(uint16_t *) (bmpaddress + 18);
  width |= (*(uint16_t *) (bmpaddress + 20)) << 16;
  
  /* Read bitmap height */
  height  =  *(uint16_t *) (bmpaddress + 22);
  height |= (*(uint16_t *) (bmpaddress + 24)) << 16;
  
  /* Read bit/pixel */
  bit_pixel = (*(uint16_t *) (bmpaddress + 28)) / 8;  
  // bit_pixel = bit_pixel/8;
  
  size = (size - index);
  xpos = xpos + height - 1;
  /* Synchronize f_read right in front of the image data */
  f_close (&file1);  
 

  /* Memory allocation for the BMP data line */
  free(kstorage_tmpbuffer);
  kstorage_tmpbuffer = malloc(sizeof(uint8_t)*width*bit_pixel);
  if(kstorage_tmpbuffer==NULL)
  {
    return KSTORAGE_ERROR_OPEN;
  }

  f_open (&file1, (TCHAR const*)BmpName, FA_READ);
  
  f_read(&file1, kstorage_tmpbuffer, index, &BytesRead);

  do {
    /* read a line */
    f_read(&file1, kstorage_tmpbuffer, width*bit_pixel, &BytesRead);
    size -= width*bit_pixel;
#if 0
    /* display each pixel of the line */
    for (x = 0; x < width; x++)
    {
      color = (kstorage_tmpbuffer[ 2*x+1] << 8) | kstorage_tmpbuffer[ 2 * x];
      BSP_LCD_DrawPixel(xpos, ypos + x, color); 
    }
#else
extern void     hx8347d_SetCursor(uint16_t Xpos, uint16_t Ypos);    
//void                      LCD_IO_WriteMultipleData(uint8_t *pData, uint32_t Size);
//void                      LCD_IO_WriteReg(uint8_t Reg); 

//  hx8347d_WriteReg(LCD_REG_22, 0xA0);
 /* Set Cursor */
  hx8347d_SetCursor(xpos, ypos);
  /* Prepare to write GRAM */
  LCD_IO_WriteReg(LCD_REG_34);
  
  /* Write 16-bit GRAM Reg */
  LCD_IO_WriteMultipleData(kstorage_tmpbuffer, width*bit_pixel);
#endif
    
    xpos--;
  } while (size != 0);

  /* Exit : free memory, close the file */
  free(kstorage_tmpbuffer);
  f_close(&file1);
  
  return KSTORAGE_NOERROR;
}      
Exemplo n.º 4
0
/**
* @brief  Initialise the HX8347D LCD Component.
* @param  None
* @retval None
*/
void hx8347d_Init(void)
{  
  if(Is_hx8347d_Initialized == 0)
  {
    Is_hx8347d_Initialized = 1;
    /* Initialise HX8347D low level bus layer --------------------------------*/
    LCD_IO_Init();
    
    /* Driving ability setting */
    hx8347d_WriteReg(LCD_REG_234, 0x00);
    hx8347d_WriteReg(LCD_REG_235, 0x20);
    hx8347d_WriteReg(LCD_REG_236, 0x0C);
    hx8347d_WriteReg(LCD_REG_237, 0xC4);
    hx8347d_WriteReg(LCD_REG_232, 0x40);
    hx8347d_WriteReg(LCD_REG_233, 0x38);
    hx8347d_WriteReg(LCD_REG_241, 0x01);
    hx8347d_WriteReg(LCD_REG_242, 0x10);
    hx8347d_WriteReg(LCD_REG_39,  0xA3);
    
    /* Adjust the Gamma Curve */
    hx8347d_WriteReg(LCD_REG_64, 0x01);
    hx8347d_WriteReg(LCD_REG_65, 0x00);
    hx8347d_WriteReg(LCD_REG_66, 0x00);
    hx8347d_WriteReg(LCD_REG_67, 0x10);
    hx8347d_WriteReg(LCD_REG_68, 0x0E);
    hx8347d_WriteReg(LCD_REG_69, 0x24);
    hx8347d_WriteReg(LCD_REG_70, 0x04);
    hx8347d_WriteReg(LCD_REG_71, 0x50);
    hx8347d_WriteReg(LCD_REG_72, 0x02);
    hx8347d_WriteReg(LCD_REG_73, 0x13);
    hx8347d_WriteReg(LCD_REG_74, 0x19);
    hx8347d_WriteReg(LCD_REG_75, 0x19);
    hx8347d_WriteReg(LCD_REG_76, 0x16);
    hx8347d_WriteReg(LCD_REG_80, 0x1B);
    hx8347d_WriteReg(LCD_REG_81, 0x31);
    hx8347d_WriteReg(LCD_REG_82, 0x2F);
    hx8347d_WriteReg(LCD_REG_83, 0x3F);
    hx8347d_WriteReg(LCD_REG_84, 0x3F);
    hx8347d_WriteReg(LCD_REG_85, 0x3E);
    hx8347d_WriteReg(LCD_REG_86, 0x2F);
    hx8347d_WriteReg(LCD_REG_87, 0x7B);
    hx8347d_WriteReg(LCD_REG_88, 0x09);
    hx8347d_WriteReg(LCD_REG_89, 0x06);
    hx8347d_WriteReg(LCD_REG_90, 0x06);
    hx8347d_WriteReg(LCD_REG_91, 0x0C);
    hx8347d_WriteReg(LCD_REG_92, 0x1D);
    hx8347d_WriteReg(LCD_REG_93, 0xCC);
    
    /* Power voltage setting */
    hx8347d_WriteReg(LCD_REG_27, 0x1B);
    hx8347d_WriteReg(LCD_REG_26, 0x01);
    hx8347d_WriteReg(LCD_REG_36, 0x2F);
    hx8347d_WriteReg(LCD_REG_37, 0x57);
    /*****VCOM offset ****/
    hx8347d_WriteReg(LCD_REG_35, 0x86);
    
    /* Power on setting up flow */
    hx8347d_WriteReg(LCD_REG_24, 0x36); /* Display frame rate = 70Hz RADJ = '0110' */
    hx8347d_WriteReg(LCD_REG_25, 0x01); /* OSC_EN = 1 */
    hx8347d_WriteReg(LCD_REG_28, 0x06); /* AP[2:0] = 111 */
    hx8347d_WriteReg(LCD_REG_29, 0x06); /* AP[2:0] = 111 */
    hx8347d_WriteReg(LCD_REG_31,0x90); /* GAS=1, VOMG=00, PON=1, DK=0, XDK=0, DVDH_TRI=0, STB=0*/
    hx8347d_WriteReg(LCD_REG_39, 1); /* REF = 1 */
    
    LCD_Delay(10);
    /* 262k/65k color selection */
    hx8347d_WriteReg(LCD_REG_23, 0x05); /* default 0x06 262k color,  0x05 65k color */
    /* SET PANEL */
    hx8347d_WriteReg(LCD_REG_54, 0x09); /* SS_PANEL = 1, GS_PANEL = 0,REV_PANEL = 0, BGR_PANEL = 1 */
    
    /* Display ON flow */
    hx8347d_WriteReg(LCD_REG_40, 0x38); /* GON=1, DTE=1, D=10 */
    LCD_Delay(60);
    hx8347d_WriteReg(LCD_REG_40, 0x3C); /* GON=1, DTE=1, D=11 */
    
    /* Set GRAM Area - Partial Display Control */
    hx8347d_WriteReg(LCD_REG_1, 0x00); /* DP_STB = 0, DP_STB_S = 0, SCROLL = 0, */
    hx8347d_WriteReg(LCD_REG_2, 0x00); /* Column address start 2 */
    hx8347d_WriteReg(LCD_REG_3, 0x00); /* Column address start 1 */
    hx8347d_WriteReg(LCD_REG_4, 0x01); /* Column address end 2 */
    hx8347d_WriteReg(LCD_REG_5, 0x3F); /* Column address end 1 */
    hx8347d_WriteReg(LCD_REG_6, 0x00); /* Row address start 2 */
    hx8347d_WriteReg(LCD_REG_7, 0x00); /* Row address start 2 */
    hx8347d_WriteReg(LCD_REG_8, 0x00); /* Row address end 2 */
    hx8347d_WriteReg(LCD_REG_9, 0xEF); /* Row address end 1 */
    hx8347d_WriteReg(LCD_REG_22, 0xE0); /* Memory access control: MY = 1, MX = 0, MV = 1, ML = 0 */
  }
  /* Set the Cursor */ 
  hx8347d_SetCursor(0, 0);
  
  /* Prepare to write GRAM */
  LCD_IO_WriteReg(LCD_REG_34);
}