?? tft_hx8310.c
字號(hào):
for(j=0; j<(HX8310_HEIGHT ); j++)
{
dma_request(0, (uint32)(buf_ptr + j * HX8310_WIDTH), 0x58020000, HX8310_WIDTH,
1, 0);
}
#else
SCI_TRACE_LOW("tft_HX8310.c HX8310_Invalidate line%d", __LINE__);
address = (uint16) ( (((HX8310_WIDTH - 1 + OFFSET_X) & 0xFF ) << 8 ) | (OFFSET_X));
HX8310_sendcommand1(0x16, address); // set horizon address
address = (uint16) ( ((HX8310_HEIGHT-1) & 0xFF) << 8 );
HX8310_sendcommand1(0x17, address); // set vertical address
// Set start RAM address (AC register)
HX8310_sendcommand1(0x21, OFFSET_X);
HX8310_SEND_COMMAND(0x0022); // send data.
for(i=0; i<(HX8310_WIDTH * HX8310_HEIGHT); i++)
HX8310_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 HX8310_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 = HX8310_WIDTH;
lcd_info_ptr->lcd_height = HX8310_HEIGHT;
lcd_info_ptr->lcdbuff_ptr = (void *)LCD_GetLCDBuffer();
return ERR_LCD_NONE;
}
/******************************************************************************/
// Description: Set the windows address to display, in this windows
// color is refreshed.
// Global resource dependence:
// Author: Jim.zhang
// Note:
/******************************************************************************/
__inline void HX8310_set_display_window(
uint8 left, // start Horizon address
uint8 top, // start Vertical address
uint8 right, // end Horizon address
uint8 bottom // end Vertical address
)
{
uint16 address = 0;
address = (uint16) ((((right & 0xFF) + OFFSET_X)<<8) | ((left & 0xFF) + OFFSET_X));
HX8310_sendcommand1(0x16, address); // set horizon address
address = (uint16) (((bottom & 0xFF)<<8) | (top & 0xFF));
HX8310_sendcommand1(0x17, address); // set vertical address
}
/******************************************************************************/
// 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 HX8310_set_start_address(
uint8 left,
uint8 top
)
{
uint16 address = 0;
address = (uint16) (((top & 0xFF)<<8) | ((left & 0xFF) + OFFSET_X));
HX8310_sendcommand1(0x21, address); // Set start RAM address (AC register)
}
/******************************************************************************/
// 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 HX8310_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("tft_HX8310.c HX8310_InvalidateRect line%d: left = %d, top = %d, right = %d, bottom = %d", __LINE__, left, top, right,bottom);
left = (left >= HX8310_WIDTH) ? HX8310_WIDTH-1 : left;
right = (right >= HX8310_WIDTH) ? HX8310_WIDTH-1 : right;
top = (top >= HX8310_HEIGHT) ? HX8310_HEIGHT-1 : top;
bottom = (bottom >= HX8310_HEIGHT) ? HX8310_HEIGHT-1 : bottom;
if ( ( right < left ) || ( bottom < top ) )
{
return ERR_LCD_PARAMETER_WRONG;
}
HX8310_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
HX8310_set_start_address(left, top);
HX8310_SEND_COMMAND(0x22); // send data.
rect_width = right-left+1;
for (j = top; j <= bottom; j++)
{
dma_request(0, (uint32)(buf_ptr + j * HX8310_WIDTH+left), 0x58020000, rect_width,
1, 0);
}
#else
row = bottom - top;
column = right - left;
HX8310_set_start_address(left - dummy_before, top);
HX8310_SEND_COMMAND(0x22); // send data.
for (i = 0; i <= row; i++)
{
for(j = 0; j<dummy_before; j++) // Insert dummy write befor real write.
HX8310_SEND_DATA(0x00);
for (j = 0; j <= column; j++) // real write
HX8310_SEND_DATA( *(buf_ptr + (top+i)*HX8310_WIDTH + left+j) );
for(j=0; j<dummy_after; j++) // Insert dummy write after real write.
HX8310_SEND_DATA(0x00);
}
#endif
return ERR_LCD_NONE;
}
/******************************************************************************/
// Description: for mp4 display
// Global resource dependence:
// Author: juan.zhang
/******************************************************************************/
LOCAL ERR_LCD_E HX8310_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;
if ( ( right < left ) || ( bottom < top ) )
{
return ERR_LCD_PARAMETER_WRONG;
}
SCI_TRACE_LOW("tft_HX8310.c HX8310_InvalidateRectImage() left=%d,right=%d,top=%d,bottom=%d,is_invert=%d line%d", left,right,top,bottom,is_invert,__LINE__);
if (is_invert)
{
HX8310_sendcommand1(0x0005,0x102b);
}
else
{
HX8310_sendcommand1(0x0005,0x1033);
}
HX8310_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.
#if 1
// HX8310_set_display_window(left, top, right, bottom);
if (is_invert)
{
HX8310_set_start_address(right, top);
}
else
{
HX8310_set_start_address(left, top);
}
HX8310_SEND_COMMAND(0x22); // send data.
#ifndef LCD_USE_DMA
if (is_invert)
{
for (j = left; j <= right; j++)
{
for (i = top; i <= bottom; i++)
{
HX8310_SEND_DATA( *(buf_ptr + j * 176 + i) );
}
}
}
else
{
for (j = top; j <= bottom; j++)
{
for (i = left; i <= right; i++)
{
HX8310_SEND_DATA( *(buf_ptr + j * 176 + i) );
}
}
}
#else
if (is_invert)
{
rect_width = bottom -top +1;
for (j = left; j <= right; j++)
{
dma_request(0, (uint32)buf_ptr, 0x58020000, rect_width/*MP4_MAX_WIDTH*/,
1, 0); //modified by lipengyu,
buf_ptr += MP4_MAX_WIDTH;
}
}
else
{
rect_width = right - left + 1;
for (j = top; j <= bottom; j++)
{
dma_request(0, (uint32)buf_ptr, 0x58020000, rect_width,
1, 0); //modified by lipengyu,
buf_ptr += MP4_MAX_WIDTH;
}
}
#endif
#endif
HX8310_sendcommand1(0x0005,0x1033);
return ERR_LCD_NONE;
}
/*@Zhemin.Lin, CR9122, begin*/
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