uGFX/ugfx
2
0
Fork 0
Code Issues 2 Pull Requests Projects Releases Wiki Activity

drivers/GDISP/LGDP4532: Add gdisp_lld_draw_pixel() and gdisp_lld_fill_area()

Browse Source 
Contributed by "Volodymyr Shylov" <shilow@ukr.net>
This commit is contained in:
Joel Bodenmann 2022-05-23 16:03:37 +02:00
parent 168cd27633
commit da1c2233e7
3 changed files with 60 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
changelog.txt
View File

@ -30,6 +30,7 @@ FIX: Fix incorrect calls to mmap() and sem_open() in SDL2 driver (lax ope
FIX: Minor code improvements
FEATURE: Add cmake support
FIX: Add missing driver.mk to SSD1322 driver.
FEATURE: LGDP4532 driver improvements.
*** Release 2.9 ***

65
drivers/gdisp/LGDP4532/gdisp_lld_LGDP4532.c
View File

@ -55,6 +55,12 @@
#define dummy_read(g) { volatile gU16 dummy; dummy = read_data(g); (void) dummy; }
#define write_reg(g, reg, data) { write_index(g, reg); write_data(g, data); }
// Serial write data for fast fill.
#ifndef write_data_repeat
#define write_data_repeat(g, data, count) { int i; for (i = 0; i < count; ++i) write_data (g, data) }
/* TODO: should use DMA mem2mem */
#endif
static void set_cursor(GDisplay *g) {
switch(g->g.Orientation) {
default:
@ -78,18 +84,18 @@ static void set_viewport(GDisplay* g) {
default:
case gOrientation0:
case gOrientation180:
write_reg(g, 0x50, g->p.x);
write_reg(g, 0x51, g->p.x + g->p.cx - 1);
write_reg(g, 0x52, g->p.y);
write_reg(g, 0x53, g->p.y + g->p.cy - 1);
write_reg(g, LGDP4532_HORIZONTAL_WINDOW_ADDR1, g->p.x);
write_reg(g, LGDP4532_HORIZONTAL_WINDOW_ADDR2, g->p.x + g->p.cx - 1);
write_reg(g, LGDP4532_VERTICAL_WINDOW_ADDR1, g->p.y);
write_reg(g, LGDP4532_VERTICAL_WINDOW_ADDR2, g->p.y + g->p.cy - 1);
break;
case gOrientation90:
case gOrientation270:
write_reg(g, 0x50, g->p.y);
write_reg(g, 0x51, g->p.y + g->p.cy - 1);
write_reg(g, 0x52, g->p.x);
write_reg(g, 0x53, g->p.x + g->p.cx - 1);
write_reg(g, LGDP4532_HORIZONTAL_WINDOW_ADDR1, g->p.y);
write_reg(g, LGDP4532_HORIZONTAL_WINDOW_ADDR2, g->p.y + g->p.cy - 1);
write_reg(g, LGDP4532_VERTICAL_WINDOW_ADDR1, g->p.x);
write_reg(g, LGDP4532_VERTICAL_WINDOW_ADDR2, g->p.x + g->p.cx - 1);
break;
}
}
@ -110,8 +116,6 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
acquire_bus(g);
setwritemode(g);
// chinese code starts here
//############# void Power_Set(void) ################//
write_reg(g, 0x00, 0x0001);
gfxSleepMilliseconds(10);
@ -124,25 +128,24 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
write_reg(g, 0x12, 0x0010);
gfxSleepMilliseconds(10);
write_reg(g, 0x10, 0x2620);
write_reg(g, 0x13, 0x344d); //304d
write_reg(g, 0x13, 0x344d);
gfxSleepMilliseconds(10);
write_reg(g, 0x01, 0x0100);
write_reg(g, 0x02, 0x0300);
write_reg(g, 0x03, 0x1038);//0x1030
write_reg(g, 0x03, 0x1030);
write_reg(g, 0x08, 0x0604);
write_reg(g, 0x09, 0x0000);
write_reg(g, 0x0A, 0x0008);
write_reg(g, 0x41, 0x0002);
write_reg(g, 0x60, 0xA700);
write_reg(g, 0x60, 0x2700);
write_reg(g, 0x61, 0x0001);
write_reg(g, 0x90, 0x0182);
write_reg(g, 0x93, 0x0001);
write_reg(g, 0xa3, 0x0010);
gfxSleepMilliseconds(10);
//################# void Gamma_Set(void) ####################//
write_reg(g, 0x30, 0x0000);
write_reg(g, 0x31, 0x0502);
write_reg(g, 0x32, 0x0307);
@ -155,7 +158,6 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
write_reg(g, 0x39, 0x1505);
gfxSleepMilliseconds(10);
//################## void Display_ON(void) ####################//
write_reg(g, 0x07, 0x0001);
gfxSleepMilliseconds(10);
write_reg(g, 0x07, 0x0021);
@ -164,7 +166,6 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
write_reg(g, 0x07, 0x0033);
gfxSleepMilliseconds(10);
write_reg(g, 0x07, 0x0133);
// chinese code ends here
// Finish Init
post_init_board(g);
@ -357,4 +358,36 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
}
#endif
LLDSPEC void gdisp_lld_draw_pixel(GDisplay *g) {
set_cursor(g);
gdisp_lld_write_color (g);
}
#if GDISP_HARDWARE_FILLS
LLDSPEC void gdisp_lld_fill_area(GDisplay *g) {
LLDCOLOR_TYPE c = gdispColor2Native(g->p.color);
acquire_bus(g);
// Set view port if drawing more than 1 line, or write not started
if (g->p.cy != 1 || !ws) {
set_viewport(g);
}
set_cursor(g);
write_data_repeat (g,c,g->p.cx*g->p.cy);
// Restore view port if write started and drawed more than 1 line
if (g->p.cy != 1 && ws)
{
write_reg(g, LGDP4532_HORIZONTAL_WINDOW_ADDR2, svx);
write_reg(g, LGDP4532_HORIZONTAL_WINDOW_ADDR1, svx + svcx - 1);
write_reg(g, LGDP4532_VERTICAL_WINDOW_ADDR2, svy);
write_reg(g, LGDP4532_VERTICAL_WINDOW_ADDR1, svy + svcy - 1);
}
release_bus(g);
}
#endif // GDISP_HARDWARE_FILLS
#endif /* GFX_USE_GDISP */

10
drivers/gdisp/LGDP4532/gdisp_lld_config.h
View File

@ -14,8 +14,18 @@
#define GDISP_HARDWARE_STREAM_READ GFXON
#define GDISP_HARDWARE_STREAM_POS GFXON
#define GDISP_HARDWARE_CONTROL GFXON
#define GDISP_HARDWARE_FILLS GFXON
#define GDISP_LLD_PIXELFORMAT GDISP_PIXELFORMAT_RGB565
/* Horizontal Address Start Position */
#define LGDP4532_HORIZONTAL_WINDOW_ADDR1 (0x50u)
/* Horizontal Address End Position */
#define LGDP4532_HORIZONTAL_WINDOW_ADDR2 (0x51u)
/* Vertical Address Start Position */
#define LGDP4532_VERTICAL_WINDOW_ADDR1 (0x52u)
/* Vertical Address End Position */
#define LGDP4532_VERTICAL_WINDOW_ADDR2 (0x53u)
#endif /* GFX_USE_GDISP */
#endif /* _GDISP_LLD_CONFIG_H */