/**
* @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);
}
/**
* @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));
}
/**
* @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;
}
/**
* @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);
}