📄 tft_hx8309.c
字号:
HX8309_sendcommand1(0x0009,0x0000);
HX8309_sendcommand1(0x000B,0x0004);
HX8309_sendcommand1(0x000C,0x0003);
HX8309_sendcommand1(0x0040,0x0000);
HX8309_sendcommand1(0x0041,0x00EF);
HX8309_sendcommand1(0x0042,0xDB00);
HX8309_sendcommand1(0x0043,0xDB00);
HX8309_sendcommand1(0x0044,0xAF00);
HX8309_sendcommand1(0x0045,0xDB00);
Delayms(100);
//############# void Power_Set(void) ################//
HX8309_sendcommand1(0x0000,0x0001);
Delayms(1);
HX8309_sendcommand1(0x0010,0x0000);
HX8309_sendcommand1(0x0011,0x0000);
HX8309_sendcommand1(0x0012,0x0000);
HX8309_sendcommand1(0x0013,0x0000);
HX8309_sendcommand1(0x0011,0x0000);
HX8309_sendcommand1(0x0013,0x1517);
HX8309_sendcommand1(0x0012,0x0008);
HX8309_sendcommand1(0x0010,0x4040);
Delayms(1);
HX8309_sendcommand1(0x0011,0x0000);
HX8309_sendcommand1(0x0010,0x0054);
HX8309_sendcommand1(0x0012,0x0014);
Delayms(10);
HX8309_sendcommand1(0x0010,0x4040);
Delayms(10);
HX8309_sendcommand1(0x0013,0x3413); //0x3A1B
Delayms(100);
//################# void Gamma_Set(void) ####################//
HX8309_sendcommand1(0x0030,0x0406);
HX8309_sendcommand1(0x0031,0x0306);
HX8309_sendcommand1(0x0032,0x0000);
HX8309_sendcommand1(0x0033,0x0003);
HX8309_sendcommand1(0x0034,0x0406);
HX8309_sendcommand1(0x0035,0x0306);
HX8309_sendcommand1(0x0036,0x0000);
HX8309_sendcommand1(0x0037,0x0003);
HX8309_sendcommand1(0x0038,0x0000);
HX8309_sendcommand1(0x0039,0x0000);
//################# void Gamma_Set(void) ####################//
HX8309_sendcommand1(0x0030,0x0300);
HX8309_sendcommand1(0x0031,0x0001);
HX8309_sendcommand1(0x0032,0x0700);
HX8309_sendcommand1(0x0033,0x0100);
HX8309_sendcommand1(0x0034,0x0700);
HX8309_sendcommand1(0x0035,0x0607);
HX8309_sendcommand1(0x0036,0x0704);
HX8309_sendcommand1(0x0037,0x0202);
HX8309_sendcommand1(0x0038,0x0006);
HX8309_sendcommand1(0x0039,0x0404);
//################## void Display_ON(void) ####################//
HX8309_sendcommand1(0x0007,0x0045);
Delayms(40);
HX8309_sendcommand1(0x0007,0x0065);
HX8309_sendcommand1(0x0007,0x0067);
Delayms(40);
HX8309_sendcommand1(0x0007,0x0077);
Delayms(10);
HX8309_SEND_COMMAND(0x0022); // Set to index R22h for transmission data to SRAM.
*/
}
/******************************************************************************/
// 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 HX8309_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<(HX8309_HEIGHT ); i++)
{
#ifdef LCD_USE_DMA
dma_request(0, (uint32)&fill_color, (uint32)(buf_ptr + i * HX8309_WIDTH), HX8309_WIDTH,
1, 1);
#else
{
int j;
for (j = 0; j < HX8309_WIDTH; j++)
{
HX8309_SEND_DATA(*(buf_ptr+i*HX8309_WIDTH+j));
}
}
#endif
}
HX8309_Invalidate();
}
/******************************************************************************/
// 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 HX8309_Invalidate(void)
{
uint16 i,j;
uint16 address = 0;
uint16 *buf_ptr = (uint16 *)LCD_GetLCDBuffer();
#ifdef LCD_USE_DMA
uint32 dummy_before,dummy_after;
address = (uint16) ( (((HX8309_WIDTH - 1 + OFFSET_X) & 0xFF ) << 8 ) | (OFFSET_X));
HX8309_sendcommand1(0x44, address); // set horizon address
address = (uint16) ( ((HX8309_HEIGHT-1) & 0xFF) << 8 );
HX8309_sendcommand1(0x45, address); // set vertical address
HX8309_sendcommand1(0x0021, OFFSET_X);
HX8309_SEND_COMMAND(0x0022); // send data.
dummy_before = 1 % 4; // Inserted numbers befor every arrow.
dummy_after = 3 - (HX8309_WIDTH % 4); // Inserted numbers after every arrow.
for(j=0; j<(HX8309_HEIGHT ); j++)
{
dma_request(0, (uint32)(buf_ptr + j * HX8309_WIDTH), 0x58008000, HX8309_WIDTH,
1, 0);
}
#else
address = (uint16) ( (((HX8309_WIDTH - 1 + OFFSET_X) & 0xFF ) << 8 ) | (OFFSET_X));
HX8309_sendcommand1(0x16, address); // set horizon address
address = (uint16) ( ((HX8309_HEIGHT-1) & 0xFF) << 8 );
HX8309_sendcommand1(0x17, address); // set vertical address
// Set start RAM address (AC register)
HX8309_sendcommand1(0x21, OFFSET_X);
HX8309_SEND_COMMAND(0x0022); // send data.
for(i=0; i<(HX8309_WIDTH * HX8309_HEIGHT); i++)
HX8309_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 HX8309_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 = HX8309_WIDTH;
lcd_info_ptr->lcd_height = HX8309_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 HX8309_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));
HX8309_sendcommand1(0x44, address); // set horizon address
address = (uint16) (((bottom & 0xFF)<<8) | (top & 0xFF));
HX8309_sendcommand1(0x45, address); // set vertical address position
}
/******************************************************************************/
// 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 HX8309_set_start_address(
uint8 left,
uint8 top
)
{
uint16 address = 0;
address = (uint16) (((top & 0xFF)<<8) | ((left & 0xFF) + OFFSET_X));
HX8309_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 HX8309_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();
left = (left >= HX8309_WIDTH) ? HX8309_WIDTH-1 : left;
right = (right >= HX8309_WIDTH) ? HX8309_WIDTH-1 : right;
top = (top >= HX8309_HEIGHT) ? HX8309_HEIGHT-1 : top;
bottom = (bottom >= HX8309_HEIGHT) ? HX8309_HEIGHT-1 : bottom;
if ( ( right < left ) || ( bottom < top ) )
{
return ERR_LCD_PARAMETER_WRONG;
}
HX8309_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
HX8309_set_start_address(left, top);
HX8309_SEND_COMMAND(0x22); // send data.
rect_width = right-left+1;
for (j = top; j <= bottom; j++)
{
dma_request(0, (uint32)(buf_ptr + j * HX8309_WIDTH+left), 0x58008000, rect_width,
1, 0);
}
#else
row = bottom - top;
column = right - left;
HX8309_set_start_address(left, top);
HX8309_SEND_COMMAND(0x22); // send data.
for (i = 0; i <= row; i++)
{
//for(j = 0; j<dummy_before; j++) // Insert dummy write befor real write.
//HX8309_SEND_DATA(0x00);
for (j = 0; j <= column; j++) // real write
HX8309_SEND_DATA( *(buf_ptr + (top+i)*HX8309_WIDTH + left+j) );
//for(j=0; j<dummy_after; j++) // Insert dummy write after real write.
//HX8309_SEND_DATA(0x00);
}
#endif
return ERR_LCD_NONE;
}
/******************************************************************************/
// Description: for mp4 display
// Global resource dependence:
// Author: juan.zhang
/******************************************************************************/
LOCAL ERR_LCD_E HX8309_InvalidateRectImage(
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -