?? tft_bf6812a.c
字號(hào):
/*0: X first*/
/*1: Y first*/
1, //uint8 is_dummy_read; /*deciding first read data when reading GRAM*/
/*0: acknowledge first data as valid data*/
/*1: acknowledge first data as dummy data*/
3, //uint8 cyclenum_read; /*total cycle numbers needed to access GRAM read/write*/
0x16, //uint8 win_setstartx_cmd; /*window x start address set command*/
0x16, //uint8 win_setendx_cmd; /*window x end address set command*/
0x17, //uint8 win_setstarty_cmd; /*window y start address set command*/
0x17, //uint8 win_setendy_cmd; /*window y end address set command*/
0x21, //uint8 gram_setx_cmd; /*gram x address set command*/
0x00, //uint8 gram_sety_cmd; /*gram y address set command*/
0x22, //uint8 gram_read_cmd; /*gram read command*/
0x22, //uint8 gram_write_cmd; /*gram write command*/
//@zhemin.lin, add 1 line, CR9590
0x00, //uint8 line_offset; /*line offset for display on lcd*/
0x00 //uint8 colum_offset /*columoffset for display on lcd*/
};
/******************************************************************************/
// Description: get the important parameter for digital camera
// Global resource dependence:
// Author: Zhemin.lin
// Note:
/******************************************************************************/
LOCAL ERR_LCD_E BF6812A_GetMainLcdSpec(
LCD_SPEC_T *spec_ptr //spec struct pointer
)
{
if (spec_ptr == PNULL)
{
return 1;
}
memcpy(spec_ptr, &g_BF6812A_spec, sizeof(LCD_SPEC_T));
return ERR_LCD_NONE;
}
/******************************************************************************/
// Description: Enter/Exit sleep mode .
// Global resource dependence:
// Author: Jim.zhang
// Note:
/******************************************************************************/
LOCAL ERR_LCD_E BF6812A_EnterSleep(
BOOLEAN is_sleep //SCI_TRUE: exter sleep mode;SCI_FALSE:exit sleep mode.
)
{
SCI_TRACE_LOW("BF6812A_EnterSleep,%d", is_sleep);
if ( is_sleep ) // enter sleep mode.
{
BF6812A_GoSleep();
}
else // out sleep mode
{
//BF6812A_reset();
BF6812A_ExitSleep();
}
/*
if( !GetUdiskState())
DC_EnterSleep(is_sleep);
*/
return ERR_LCD_NONE;
}
/*****************************************************************************/
// Description: Enable lcd to partial display mode, so can save power.
// Global resource dependence:
// Author: Jim.zhang
// Return: SCI_TRUE:SUCCESS ,SCI_FALSE:failed.
// Note: If all input parameters are 0, exit partial display mode.
/*****************************************************************************/
LOCAL ERR_LCD_E BF6812A_SetDisplayWindow(
uint16 left, //left of the window
uint16 top, //top of the window
uint16 right, //right of the window
uint16 bottom //bottom of the window
)
{
BF6812A_set_display_window(left, top, right, bottom);
BF6812A_set_start_address(left, top); //@David.Jia 2005.12.26
BF6812A_SEND_COMMAND(0x0022); //@David.Jia 2005.12.26
return ERR_LCD_NONE;
}
/*********************************************************************/
// Description: Initialize color LCD : BF6812A
// Input:
// None.
// Author: yinchun.li
// Return:
// None.
// Note:
// modify: jim.cui 2005.0728 add dma init
/*********************************************************************/
LOCAL ERR_LCD_E BF6812A_Init(void)
{
//dma init
dma_init ();
//BF6812A_HW_reset();
BF6812A_reset();
BF6812A_Clear( 0xf25f );
return ERR_LCD_NONE;
}
/******************************************************************************/
// Description: set the contrast value
// Global resource dependence:
// Author: Jim.zhang
// Note:
/******************************************************************************/
LOCAL ERR_LCD_E BF6812A_SetContrast(
uint16 contrast //contrast value to set
)
{
return ERR_LCD_FUNC_NOT_SUPPORT;
}
/*****************************************************************************/
// Description: Set the brightness of LCD.
// Global resource dependence:
// Author: Jim.zhang
// Note:
/*****************************************************************************/
LOCAL ERR_LCD_E BF6812A_SetBrightness(
uint16 brightness //birghtness to set
)
{
return ERR_LCD_FUNC_NOT_SUPPORT;
}
/******************************************************************************/
// Description: Close the lcd.(include sub lcd.)
// Global resource dependence:
// Author: Jim.zhang
// Note:
/******************************************************************************/
LOCAL void BF6812A_Close()
{
GPIO_SetLcdBackLight( SCI_FALSE );
BF6812A_EnterSleep( SCI_TRUE );
}
LOCAL LCD_OPERATIONS_T BF6812A_operations =
{
BF6812A_Init,
BF6812A_EnterSleep,
BF6812A_SetContrast,
BF6812A_SetBrightness,
BF6812A_SetDisplayWindow,
BF6812A_GetInfo,
BF6812A_InvalidateRect,
BF6812A_InvalidateRectImage,
BF6812A_Invalidate,
BF6812A_Clear,
BF6812A_Close,
BF6812A_GetMainLcdSpec
};
/******************************************************************************/
// Description: return the BF6812A lcd driver funtion pointer
// Global resource dependence:
// Author: Jim.zhang
// Note:
/******************************************************************************/
PUBLIC LCD_OPERATIONS_T* BF6812A_GetOperations()
{
return &BF6812A_operations;
}
#define ADC_NUM 10
PUBLIC BOOLEAN BF6812A_Probe(void)
{
return SCI_TRUE;
}
LOCAL BF6812A_GoSleep(void)
{
#if 0
BF6812A_SEND_COMMAND(0x000b);
BF6812A_SEND_DATA(0x0000);
BF6812A_SEND_COMMAND(0x0007);
BF6812A_SEND_DATA(0x0036);
Delayms(40);
BF6812A_SEND_COMMAND(0x0007);
BF6812A_SEND_DATA(0x0026);
Delayms(40);
BF6812A_SEND_COMMAND(0x0007);
BF6812A_SEND_DATA(0x0004);
BF6812A_SEND_COMMAND(0x0009);
BF6812A_SEND_DATA(0x0008);
BF6812A_SEND_COMMAND(0x0003);
BF6812A_SEND_DATA(0x0000);
BF6812A_SEND_COMMAND(0x000d);
BF6812A_SEND_DATA(0x0000);
BF6812A_SEND_COMMAND(0x000e);
BF6812A_SEND_DATA(0x0000);
BF6812A_SEND_COMMAND(0x0003);
BF6812A_SEND_DATA(0x0002);
#else
//--------Modify 20070926------------
BF6812A_SEND_COMMAND(0x000b);
BF6812A_SEND_DATA(0x0000);
BF6812A_SEND_COMMAND(0x0007);
BF6812A_SEND_DATA(0x0036);
Delayms(50);
BF6812A_SEND_COMMAND(0x0007);
BF6812A_SEND_DATA(0x0026);
Delayms(50);
BF6812A_SEND_COMMAND(0x005b);///add
BF6812A_SEND_DATA(0x0004);
BF6812A_SEND_COMMAND(0x0007);
BF6812A_SEND_DATA(0x0004);
BF6812A_SEND_COMMAND(0x0009);
BF6812A_SEND_DATA(0x0000);///change 0008
BF6812A_SEND_COMMAND(0x000d);
BF6812A_SEND_DATA(0x0000);
BF6812A_SEND_COMMAND(0x000e);
BF6812A_SEND_DATA(0x0000);
BF6812A_SEND_COMMAND(0x0003);
BF6812A_SEND_DATA(0x0000);
Delayms(10);
BF6812A_SEND_COMMAND(0x0003);
BF6812A_SEND_DATA(0x0002);
Delayms(10);
#endif
}
LOCAL BF6812A_ExitSleep(void)
{
/*
BF6812A_SEND_COMMAND(0x0003);
BF6812A_SEND_DATA(0x0000);
Delayms(20);
BF6812A_SEND_COMMAND(0x000d);
BF6812A_SEND_DATA(0x0000);
Delayms(15);
BF6812A_SEND_COMMAND(0x000e);
BF6812A_SEND_DATA(0x0000);
Delayms(15);
BF6812A_SEND_COMMAND(0x0007);
BF6812A_SEND_DATA(0x0000);
Delayms(15);
BF6812A_SEND_COMMAND(0x000c);
BF6812A_SEND_DATA(0x0000);
BF6812A_SEND_COMMAND(0x0009);
BF6812A_SEND_DATA(0x0008);
Delayms(15);
BF6812A_SEND_COMMAND(0x000d);
BF6812A_SEND_DATA(0x0003);
Delayms(15);
BF6812A_SEND_COMMAND(0x000e);
BF6812A_SEND_DATA(0x1017);
Delayms(15);
BF6812A_SEND_COMMAND(0x000d);
BF6812A_SEND_DATA(0x0013);
Delayms(15);
BF6812A_SEND_COMMAND(0x0003);
BF6812A_SEND_DATA(0x0010);
Delayms(50);
BF6812A_SEND_COMMAND(0x0009);
BF6812A_SEND_DATA(0x0000);
Delayms(15);
BF6812A_SEND_COMMAND(0x0003);
BF6812A_SEND_DATA(0x0410);
Delayms(15);
BF6812A_SEND_COMMAND(0x000e);
BF6812A_SEND_DATA(0x3016);
Delayms(150);
BF6812A_SEND_COMMAND(0x0009);
BF6812A_SEND_DATA(0x0004);
Delayms(50);
BF6812A_SEND_COMMAND(0x0007);
BF6812A_SEND_DATA(0x0005);
Delayms(40);
BF6812A_SEND_COMMAND(0x0007);
BF6812A_SEND_DATA(0x0025);
BF6812A_SEND_COMMAND(0x0007);
BF6812A_SEND_DATA(0x0027);
BF6812A_SEND_COMMAND(0x005b);
BF6812A_SEND_DATA(0x0000);
Delayms(50);
BF6812A_SEND_COMMAND(0x0007);
BF6812A_SEND_DATA(0x0037);
Delayms(10);
*/
BF6812A_reset(); // 解決白屏,重新走一遍初始化.
}
/**********************************************************************************************
#if 1
LOCAL void main_lcd_fill_rect(uint16 left, uint16 top,uint16 right, uint16 bottom,uint16 color)
{
uint16 i,j;
uint16 *buf_ptr = (uint16 *)LCD_GetLCDBuffer();
for(i = top; i < bottom;i++)
{
for(j = left; j < right; j++)
{
*(buf_ptr+i*BF6812A_WIDTH+j)=color;
}
}
}
void main_lcd_test()
{
unsigned long i;
//GPIO_SetLcdReset( 0 ); //lcd hardware reset.
//for(i=0; i<3500; i++);
//GPIO_SetLcdReset( 1 );
GPIO_SetLcdBackLight( SCI_TRUE );//set backlight
BF6812A_reset();// lcd init
for(i=0; i<3500; i++);
main_lcd_fill_rect(0,0,BF6812A_WIDTH,BF6812A_HEIGHT/3,0xf800);//r
main_lcd_fill_rect(0,BF6812A_HEIGHT/3,BF6812A_WIDTH,(2*BF6812A_HEIGHT)/3,0x07e0);//g
main_lcd_fill_rect(0,(2*BF6812A_HEIGHT)/3,BF6812A_WIDTH,BF6812A_HEIGHT,0x001f);//g
BF6812A_Invalidate();
for(i=0; i<3500; i++);
main_lcd_fill_rect(0,0,BF6812A_WIDTH,BF6812A_HEIGHT,0x5171);//r
BF6812A_InvalidateRect(0,0,20,30);
//for(i=0; i<3500; i++);
//while(1);
}
#endif
*******************************************/
/**---------------------------------------------------------------------------*
** Compiler Flag *
**---------------------------------------------------------------------------*/
#ifdef __cplusplus
}
#endif
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