diff options
Diffstat (limited to 'drivers/gdisp/SSD1289/gdisp_lld.c')
| -rw-r--r-- | drivers/gdisp/SSD1289/gdisp_lld.c | 37 |
1 files changed, 28 insertions, 9 deletions
diff --git a/drivers/gdisp/SSD1289/gdisp_lld.c b/drivers/gdisp/SSD1289/gdisp_lld.c index d2808604..09122d2f 100644 --- a/drivers/gdisp/SSD1289/gdisp_lld.c +++ b/drivers/gdisp/SSD1289/gdisp_lld.c @@ -43,6 +43,28 @@ #define dummy_read() { volatile uint16_t dummy; dummy = read_data(); (void) dummy; }
#define write_reg(reg, data) { write_index(reg); write_data(data); }
+static void set_cursor(GDISPDriver *g) {
+ switch(g->g.Orientation) {
+ case GDISP_ROTATE_0:
+ write_reg(0x004e, g->p.x & 0x00FF);
+ write_reg(0x004f, g->p.y & 0x01FF);
+ break;
+ case GDISP_ROTATE_90:
+ write_reg(0x004e, g->p.y & 0x00FF);
+ write_reg(0x004f, (GDISP_SCREEN_HEIGHT-1-g->p.x) & 0x01FF);
+ break;
+ case GDISP_ROTATE_180:
+ write_reg(0x004e, (GDISP_SCREEN_WIDTH-1-g->p.x) & 0x00FF);
+ write_reg(0x004f, (GDISP_SCREEN_HEIGHT-1-g->p.y) & 0x01FF);
+ break;
+ case GDISP_ROTATE_270:
+ write_reg(0x004e, (GDISP_SCREEN_WIDTH-1-g->p.y) & 0x00FF);
+ write_reg(0x004f, g->p.x & 0x01FF);
+ break;
+ }
+ write_index(0x0022);
+}
+
static void set_viewport(GDISPDriver* g) {
/* Reg 0x44 - Horizontal RAM address position
* Upper Byte - HEA
@@ -60,33 +82,24 @@ static void set_viewport(GDISPDriver* g) { write_reg(0x44, (((g->p.x+g->p.cx-1) << 8) & 0xFF00 ) | (g->p.x & 0x00FF));
write_reg(0x45, g->p.y & 0x01FF);
write_reg(0x46, (g->p.y+g->p.cy-1) & 0x01FF);
- write_reg(0x004e, g->p.x & 0x00FF);
- write_reg(0x004f, g->p.y & 0x01FF);
break;
case GDISP_ROTATE_90:
write_reg(0x44, (((g->p.y+g->p.cy-1) << 8) & 0xFF00 ) | (g->p.y & 0x00FF));
write_reg(0x45, (GDISP_SCREEN_HEIGHT-(g->p.x+g->p.cx)) & 0x01FF);
write_reg(0x46, (GDISP_SCREEN_HEIGHT-1-g->p.x) & 0x01FF);
- write_reg(0x004e, g->p.y & 0x00FF);
- write_reg(0x004f, (GDISP_SCREEN_HEIGHT-1-g->p.x) & 0x01FF);
break;
case GDISP_ROTATE_180:
write_reg(0x44, (((GDISP_SCREEN_WIDTH-1-g->p.x) & 0x00FF) << 8) | ((GDISP_SCREEN_WIDTH - (g->p.x+g->p.cx)) & 0x00FF));
write_reg(0x45, (GDISP_SCREEN_HEIGHT-(g->p.y+g->p.cy)) & 0x01FF);
write_reg(0x46, (GDISP_SCREEN_HEIGHT-1-g->p.y) & 0x01FF);
- write_reg(0x004e, (GDISP_SCREEN_WIDTH-1-g->p.x) & 0x00FF);
- write_reg(0x004f, (GDISP_SCREEN_HEIGHT-1-g->p.y) & 0x01FF);
break;
case GDISP_ROTATE_270:
write_cmd2(PASET, GDISP_RAM_Y_OFFSET+g->p.x, GDISP_RAM_Y_OFFSET+g->p.x+g->p.cx-1);
write_reg(0x44, (((GDISP_SCREEN_WIDTH-1-g->p.y) & 0x00FF) << 8) | ((GDISP_SCREEN_WIDTH-(g->p.y+g->p.cy)) & 0x00FF));
write_reg(0x45, g->p.x & 0x01FF);
write_reg(0x46, (g->p.x+g->p.cx-1) & 0x01FF);
- write_reg(0x004e, (GDISP_SCREEN_WIDTH-1-g->p.y) & 0x00FF);
- write_reg(0x004f, g->p.x & 0x01FF);
break;
}
- write_index(0x0022);
}
/*===========================================================================*/
@@ -179,12 +192,16 @@ LLDSPEC bool_t gdisp_lld_init(GDISPDriver *g) { LLDSPEC void gdisp_lld_write_stop(GDISPDriver *g) {
release_bus();
}
+ LLDSPEC void gdisp_lld_stream_pos(GDISPDriver *g) {
+ set_cursor(g);
+ }
#endif
#if GDISP_HARDWARE_STREAM_READ
LLDSPEC void gdisp_lld_read_start(GDISPDriver *g) {
acquire_bus();
set_viewport(g);
+ set_cursor(g);
setreadmode();
dummy_read();
}
@@ -201,6 +218,7 @@ LLDSPEC bool_t gdisp_lld_init(GDISPDriver *g) { LLDSPEC void gdisp_lld_fill_area(GDISPDriver *g) {
acquire_bus();
set_viewport(g);
+ set_cursor(g);
dma_with_noinc(&color, g->p.cx*g->p.cy)
release_bus();
}
@@ -215,6 +233,7 @@ LLDSPEC bool_t gdisp_lld_init(GDISPDriver *g) { acquire_bus();
set_viewport(g);
+ set_cursor(g);
if (g->p.x2 == g->p.cx) {
dma_with_inc(buffer, g->p.cx*g->p.cy);
} else {
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