📄 tft_hx8345.c
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HX8345_sendcommand1(0x0030, 0x0000);
HX8345_sendcommand1(0x0031, 0x0205);
HX8345_sendcommand1(0x0032, 0x0000);
HX8345_sendcommand1(0x0033, 0x0203);
HX8345_sendcommand1(0x0034, 0x0707);
HX8345_sendcommand1(0x0035, 0x0205);
HX8345_sendcommand1(0x0036, 0x0705);
HX8345_sendcommand1(0x0037, 0x0302);
HX8345_sendcommand1(0x003a, 0x0800);
HX8345_sendcommand1(0x003b, 0x0004);
HX8345_sendcommand1(0x0000, 0x0001);
HX8345_sendcommand1(0x000d, 0x0000);
Delayms(50);
HX8345_sendcommand1(0x000e, 0x0000);
Delayms(50);
HX8345_sendcommand1(0x0007, 0x0000);
Delayms(50);
HX8345_sendcommand1(0x000c, 0x0000);
Delayms(50);
HX8345_sendcommand1(0x000d, 0x0003);
Delayms(50);
HX8345_sendcommand1(0x000e, 0x1118);
Delayms(50);
//HX8345_sendcommand1(0x000d, 0x0012);
HX8345_sendcommand1(0x000d, 0x0013);//0011
Delayms(50);
HX8345_sendcommand1(0x0003, 0x0010);
Delayms(50);
HX8345_sendcommand1(0x0009, 0x0000);
Delayms(50);
HX8345_sendcommand1(0x0003, 0x0208); //0x0508//0208//0410
Delayms(50);
HX8345_sendcommand1(0x000e, 0x3118); //0x3119//341c//0x3219//3118//3319
Delayms(10);
HX8345_sendcommand1(0x0007, 0x0005);
Delayms(50);
HX8345_sendcommand1(0x0007, 0x0025);
Delayms(50);
HX8345_sendcommand1(0x0007, 0x0027);
Delayms(50);
HX8345_sendcommand1(0x0007, 0x0037);
Delayms(50);
#else
HX8345_sendcommand1(0x0000, 0x0001);
HX8345_sendcommand1(0x0001, 0x0113); //0013
HX8345_sendcommand1(0x0002, 0x0700); //0700
HX8345_sendcommand1(0x0005, 0x0030); //0030
HX8345_sendcommand1(0x0006, 0x0000);
HX8345_sendcommand1(0x0008, 0x0202);
HX8345_sendcommand1(0x000a, 0x0000);
HX8345_sendcommand1(0x000b, 0x1800); //1800 0d00
HX8345_sendcommand1(0x000f, 0x0000); //000f
HX8345_sendcommand1(0x0010, 0x0000);
HX8345_sendcommand1(0x0011, 0x0000);
HX8345_sendcommand1(0x0014, 0x9f00);
HX8345_sendcommand1(0x0015, 0x9f00);
HX8345_sendcommand1(0x0016, 0x7f00);
HX8345_sendcommand1(0x0017, 0x9f00);
HX8345_sendcommand1(0x0020, 0x0000);
HX8345_sendcommand1(0x0021, 0x0000);
HX8345_sendcommand1(0x0023, 0x0000);
HX8345_sendcommand1(0x0024, 0x0000);
HX8345_sendcommand1(0x0025, 0x0000);
HX8345_sendcommand1(0x0026, 0x0000);
Delayms(50);
HX8345_sendcommand1(0x0030, 0x0000);
HX8345_sendcommand1(0x0031, 0x0407);
HX8345_sendcommand1(0x0032, 0x0004);
HX8345_sendcommand1(0x0033, 0x0402);
HX8345_sendcommand1(0x0034, 0x0307);
HX8345_sendcommand1(0x0035, 0x0003);
HX8345_sendcommand1(0x0036, 0x0707);
HX8345_sendcommand1(0x0037, 0x0304);
HX8345_sendcommand1(0x003a, 0x0000);
HX8345_sendcommand1(0x003b, 0x0d00); //frame f 0e00
HX8345_sendcommand1(0x000d, 0x0000);
Delayms(50);
HX8345_sendcommand1(0x000e, 0x0000);
Delayms(50);
HX8345_sendcommand1(0x0007, 0x0000);
Delayms(50);
HX8345_sendcommand1(0x000c, 0x0000);
Delayms(50);
HX8345_sendcommand1(0x0009, 0x0008);
Delayms(50);
HX8345_sendcommand1(0x000d, 0x0003);
Delayms(50);
HX8345_sendcommand1(0x000e, 0x1017);
Delayms(50);
HX8345_sendcommand1(0x000d, 0x0011);
Delayms(50);
HX8345_sendcommand1(0x0003, 0x0010);
Delayms(50);
HX8345_sendcommand1(0x0009, 0x0000);
Delayms(50);
HX8345_sendcommand1(0x0003, 0x0208); //0410
Delayms(50);
HX8345_sendcommand1(0x000e, 0x3118);//3317 341b 391e
Delayms(50);
HX8345_sendcommand1(0x0009, 0x0002);
Delayms(50);
HX8345_sendcommand1(0x0007, 0x0005);
Delayms(50);
HX8345_sendcommand1(0x0007, 0x0025);
Delayms(50);
HX8345_sendcommand1(0x0007, 0x0027);
Delayms(50);
HX8345_sendcommand1(0x0007, 0x0037);
Delayms(50);
HX8345_SEND_COMMAND(0x0022);
Delayms(100);
#endif
break;
}
}
}
/******************************************************************************/
// Description: Clear color LCD with one color
// Global resource dependence:
// Author: louis.wei
// Note:
// modify: jim.cui 2005.0728 use dma to transport data
/******************************************************************************/
LOCAL void HX8345_Clear(
uint32 color //color to fill the whole lcd.
)
{
uint32 i;
uint16 *buf_ptr = (uint16 *)LCD_GetLCDBuffer();
uint16 fill_color = color;
for(i=0; i<(HX8345_HEIGHT ); i++)
{
dma_request(0, (uint32)&fill_color, (uint32)(buf_ptr + i * HX8345_WIDTH), HX8345_WIDTH,
1, 1);
}
HX8345_Invalidate();
}
/******************************************************************************/
// Description: Set the windows address to display, in this windows
// color is refreshed.
// Global resource dependence:
// Author: Jim.zhang
// Note:
/******************************************************************************/
__inline void HX8345_set_display_window(
uint8 left, // start Horizon address
uint8 top, // start Vertical address
uint8 right, // end Horizon address
uint8 bottom // end Vertical address
)
{
uint16 addr1,addr2;
addr1 = (((right&0xff)<<8)|(left&0xff));
addr2 = (((bottom&0xff)<<8)|(top&0xff));
HX8345_SEND_COMMAND(0x0016);
HX8345_SEND_DATA(addr1);
HX8345_SEND_COMMAND(0x0017);
HX8345_SEND_DATA(addr2);
}
/******************************************************************************/
// Description: Set start RAM address which is write to AC(Address
// Counter) register.
// Input:
// left: start Horizon address of AC
// top: start Vertical address of AC.
// Return:
// None.
// Note:
/******************************************************************************/
__inline void HX8345_set_start_address(
uint8 left,
uint8 top
)
{
uint16 addr;
addr = (((top&0xff)<<8)|(left&0xff));
HX8345_SEND_COMMAND(0x0021);
HX8345_SEND_DATA(addr);
}
/******************************************************************************/
// Description: invalidate a rectang of in LCD
// Global resource dependence:
// Author: Jim.zhang
// Note:
// modify: jim.cui 2005.0728 use dma to transport data
/******************************************************************************/
LOCAL ERR_LCD_E HX8345_Invalidate(void)
{
uint16 i,j;
//uint16 address = 0;
uint16 *buf_ptr = (uint16 *)LCD_GetLCDBuffer();
#ifdef LCD_USE_DMA
//uint32 dummy_before,dummy_after;
HX8345_set_display_window(0, 0, HX8345_WIDTH-1, HX8345_HEIGHT-1);
HX8345_set_start_address(0, 0);
HX8345_SEND_COMMAND(0x0022);
/*
address = (uint16) ( (((HX8345_WIDTH - 1 + OFFSET_X) & 0xFF ) << 8 ) | (OFFSET_X));
HX8345_sendcommand1(0x44, address); // set horizon address
address = (uint16) ( ((HX8345_HEIGHT-1) & 0xFF) << 8 );
HX8345_sendcommand1(0x45, address); // set vertical address
HX8345_sendcommand1(0x0021, OFFSET_X);
*/
//HX8345_SEND_COMMAND(0x0017); // send data.
//dummy_before = 1 % 4; // Inserted numbers befor every arrow.
//dummy_after = 3 - (HX8345_WIDTH % 4); // Inserted numbers after every arrow.
for(j=0; j<(HX8345_HEIGHT ); j++)
{
dma_request(0, (uint32)(buf_ptr + j * HX8345_WIDTH), 0x58020000, HX8345_WIDTH,
1, 0);
}
#else
SCI_TRACE_LOW("tft_HX8345.c HX8345_Invalidate line%d", __LINE__);
HX8345_set_display_window(0, 0, HX8345_WIDTH-1, HX8345_HEIGHT-1);
HX8345_set_start_address(0, 0);
/*
address = (uint16) ( (((HX8345_WIDTH - 1 + OFFSET_X) & 0xFF ) << 8 ) | (OFFSET_X));
HX8345_sendcommand1(0x44, address); // set horizon address
address = (uint16) ( ((HX8345_HEIGHT-1) & 0xFF) << 8 );
HX8345_sendcommand1(0x45, address); // set vertical address
HX8345_sendcommand1(0x0021, OFFSET_X);
*/
//HX8345_SEND_COMMAND(0x0017); // send data.
for(i=0; i<(HX8345_WIDTH * HX8345_HEIGHT); i++)
HX8345_SEND_DATA( *buf_ptr++ );
#endif
return ERR_LCD_NONE;
}
/*****************************************************************************/
// Description: Get the lcd base information..
// Global resource dependence:
// Author: louis.wei
// Note:
/*****************************************************************************/
LOCAL ERR_LCD_E HX8345_GetInfo(
LCD_INFO_T *lcd_info_ptr //lcd information struct pointer
)
{
if ( PNULL == lcd_info_ptr )
{
return ERR_LCD_POINTER_NULL;
}
lcd_info_ptr->r_bitmask = 0xf800;
lcd_info_ptr->g_bitmask = 0x07e0;
lcd_info_ptr->b_bitmask = 0x001f;
lcd_info_ptr->bits_per_pixel = 16;
lcd_info_ptr->contrast_min = 0x00;
lcd_info_ptr->contrast_max = 63;
lcd_info_ptr->contrast_defaut = 0x0A;
lcd_info_ptr->lcd_width = HX8345_WIDTH;
lcd_info_ptr->lcd_height = HX8345_HEIGHT;
lcd_info_ptr->lcdbuff_ptr = (void *)LCD_GetLCDBuffer();
return ERR_LCD_NONE;
}
/******************************************************************************/
// Description: Copy a retangle data from clcd_buffer to display RAM.
// then the rectangle display is to be refreshed
// Global resource dependence:
// Author: Jim.zhang
// Note:
// To improve speed, lcd is operate in HIGH SPEED RAM WRITE MODE(4
// uint16 are write continuously always.) So, some dummy uint16
// should be inserted to satisfy this mode. Please refer to spec.
// modify: jim.cui 2005.0728 use dma to transport data
/******************************************************************************/
LOCAL ERR_LCD_E HX8345_InvalidateRect(
uint16 left, //the left value of the rectangel
uint16 top, //top of the rectangle
uint16 right, //right of the rectangle
uint16 bottom //bottom of the rectangle
)
{
uint32 i, j;
uint32 dummy_before, dummy_after;
uint32 row, column,rect_width;
uint16 *buf_ptr = (uint16 *)LCD_GetLCDBuffer();
SCI_TRACE_LOW("0000000000000000000000000000000000000000000000");
//****************************************************
//**********解决进入摄像模式的问题*******************
if (LCD_GetRefreshFlag() != TRUE )
{
SCI_TRACE_LOW(" LCD_GetRefreshFlag");
return ERR_LCD_OPERATE_FAIL ;
}
//*****************************************************
SCI_TRACE_LOW("the LCD_GetRefreshFlag is ------%x",LCD_GetRefreshFlag);
//SCI_TRACE_LOW("tft_HX8345.c HX8345_InvalidateRect line%d: left = %d, top = %d, right = %d, bottom = %d", __LINE__, left, top, right,bottom);
left = (left >= HX8345_WIDTH) ? HX8345_WIDTH-1 : left;
right = (right >= HX8345_WIDTH) ? HX8345_WIDTH-1 : right;
top = (top >= HX8345_HEIGHT) ? HX8345_HEIGHT-1 : top;
bottom = (bottom >= HX8345_HEIGHT) ? HX8345_HEIGHT-1 : bottom;
if ( ( right < left ) || ( bottom < top ) )
{
return ERR_LCD_PARAMETER_WRONG;
}
HX8345_set_display_window(left, top, right, bottom);
// In High Speed RAM Write Mode. Maybe some dummy data are insterted.
//dummy_before = (left) % 4; // Inserted numbers befor every arrow.
//dummy_after = 3 - (right % 4); // Inserted numbers after every arrow.
#ifdef LCD_USE_DMA
HX8345_set_start_address(left, top);
HX8345_SEND_COMMAND(0x0022);
rect_width = right-left+1;
for (j = top; j <= bottom; j++)
{
dma_request(0, (uint32)(buf_ptr + j * HX8345_WIDTH+left), 0x58020000, rect_width,
1, 0);
}
#else
row = bottom - top;
column = right - left;
HX8345_set_start_address(left - dummy_before, top);
HX8345_SEND_COMMAND(0x0022); // send data.
for (i = 0; i <= row; i++)
{
for(j = 0; j<dummy_before; j++) // Insert dummy write befor real write.
HX8345_SEND_DATA(0x00);
for (j = 0; j <= column; j++) // real write
HX8345_SEND_DATA( *(buf_ptr + (top+i)*HX8345_WIDTH + left+j) );
for(j=0; j<dummy_after; j++) // Insert dummy write after real write.
HX8345_SEND_DATA(0x00);
}
#endif
return ERR_LCD_NONE;
}
/******************************************************************************/
// Description: for mp4 display
// Global resource dependence:
// Author: juan.zhang
/******************************************************************************/
LOCAL ERR_LCD_E HX8345_InvalidateRectImage(
uint16 left, //the left value of the rectangel
uint16 top, //top of the rectangle
uint16 right, //right of the rectangle
uint16 bottom, //bottom of the rectangle
uint16 *buf_ptr,
uint8 is_invert//ignore
)
{
uint32 i, j;
uint32 dummy_before, dummy_after;
uint32 row, column,rect_width;
left = (left >= MP4_MAX_WIDTH) ? MP4_MAX_WIDTH-1 : left;
right = (right >= MP4_MAX_WIDTH) ? MP4_MAX_WIDTH-1 : right;
top = (top >= MP4_MAX_HEIGHT) ? MP4_MAX_HEIGHT-1 : top;
bottom = (bottom >= MP4_MAX_HEIGHT) ? MP4_MAX_HEIGHT-1 : bottom;
left = 0;
right = 127;
top = 0;
bottom = 159; //175;
//****************************************************
//**********解决进入摄像模式的问题*******************
if (LCD_GetRefreshFlag() != TRUE )
{
SCI_TRACE_LOW(" LCD_GetRefreshFlag");
return ERR_LCD_OPERATE_FAIL ;
}
//*****************************************************
if ( ( right < left ) || ( bottom < top ) )
{
return ERR_LCD_PARAMETER_WRONG;
}
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