FreeCalypso > hg > fc-tourmaline
view src/cs/drivers/drv_app/r2d/lcds/luna/r2d_task_i.c @ 0:4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Fri, 16 Oct 2020 06:23:26 +0000 |
parents | |
children | c905daaff834 |
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#include "r2d/lcds/luna/r2d_luna_lcd.h" void r2d_lcd_power_on(void) { } void r2d_lcd_power_off(void) { } void r2d_refresh(void) { UINT16 i,j; UINT32 v; UINT32 *p; INT16 x1,x2,y1,y2,de,ds; p=r2d_g_framebuffer->p_memory_words; x1=(r2d_update_ul_x>>1)<<1; //0 x2=((r2d_update_br_x>>1)<<1)+1; //174; ds=(x1>>1); de=R2D_MWWIDTH-(x2>>1)-1; // WHY -1, is formula right ???? y1=r2d_update_ul_y; //0 y2=r2d_update_br_y; //219 /* set window area */ LCD_REG_WR(0x36, x2); LCD_REG_WR(0x37, x1); LCD_REG_WR(0x38, y2); LCD_REG_WR(0x39, y1); /* set current write address */ LCD_REG_WR(0x20, x1); LCD_REG_WR(0x21, y1); /* set up for GRAM write */ LCD_IR = 0x22; p=p+y1*R2D_MWWIDTH; for(i=y1;i<=y2;i++) { p+=ds; for(j=(x1>>1);j<=(x2>>1);j++) { v=*p++; v=~v; /*white*/ /*v=0xffffffff*/ /*black*/ /*v=0x00000000*/ LCD_DR = v&0x0FFFF; LCD_DR = v>>16; } p+=de; } //r2d_check_and_send_event(r2d_g_framebuffer); r2d_reinit_update_region(); }