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| author | inmarket <andrewh@inmarket.com.au> | 2013-09-30 13:33:35 +1000 |
|---|---|---|
| committer | inmarket <andrewh@inmarket.com.au> | 2013-09-30 13:33:35 +1000 |
| commit | 3480001a799fe072b264bac58cca4d176b05ce3a (patch) | |
| tree | 05a4457fe8fa3c7c6fe403c703cd1d48c3f1976a | |
| parent | 39c10335a38c5ebd13613c5d3d433a0682fc2a6c (diff) | |
| download | uGFX-3480001a799fe072b264bac58cca4d176b05ce3a.tar.gz uGFX-3480001a799fe072b264bac58cca4d176b05ce3a.tar.bz2 uGFX-3480001a799fe072b264bac58cca4d176b05ce3a.zip | |
More orientation fixes for SSD1289.
Orientation is now supported purely in RAM addressing direction which means the orientation of the display can be changed without affecting existing information on the display. Drawing then occurs in the new orientation.
| -rw-r--r-- | drivers/gdisp/SSD1289/gdisp_lld.c | 16 |
1 files changed, 6 insertions, 10 deletions
diff --git a/drivers/gdisp/SSD1289/gdisp_lld.c b/drivers/gdisp/SSD1289/gdisp_lld.c index 2fe5a1e4..68cdf675 100644 --- a/drivers/gdisp/SSD1289/gdisp_lld.c +++ b/drivers/gdisp/SSD1289/gdisp_lld.c @@ -76,9 +76,9 @@ static void set_viewport(GDISPDriver* g) { write_reg(0x004f, (GDISP_SCREEN_HEIGHT-1-g->p.x) & 0x01FF);
break;
case GDISP_ROTATE_180:
- write_reg(0x44, (((GDISP_SCREEN_WIDTH-g->p.x-1) & 0x00FF) << 8) | ((GDISP_SCREEN_WIDTH - (g->p.x+g->p.cx)) & 0x00FF));
+ 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-g->p.y-1) & 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;
@@ -278,7 +278,6 @@ LLDSPEC bool_t gdisp_lld_init(GDISPDriver *g) { switch((orientation_t)g->p.ptr) {
case GDISP_ROTATE_0:
acquire_bus();
- write_reg(0x0001, 0x2B3F);
/* ID = 11 AM = 0 */
write_reg(0x0011, 0x6070);
release_bus();
@@ -287,17 +286,15 @@ LLDSPEC bool_t gdisp_lld_init(GDISPDriver *g) { break;
case GDISP_ROTATE_90:
acquire_bus();
- write_reg(0x0001, 0x293F);
/* ID = 01 AM = 1 */
- write_reg(0x0011, 0x6048);
+ write_reg(0x0011, 0x6058);
release_bus();
g->g.Height = GDISP_SCREEN_WIDTH;
g->g.Width = GDISP_SCREEN_HEIGHT;
break;
case GDISP_ROTATE_180:
acquire_bus();
- write_reg(0x0001, 0x2B3F);
- /* ID = 01 AM = 0 */
+ /* ID = 00 AM = 0 */
write_reg(0x0011, 0x6040);
release_bus();
g->g.Height = GDISP_SCREEN_HEIGHT;
@@ -305,9 +302,8 @@ LLDSPEC bool_t gdisp_lld_init(GDISPDriver *g) { break;
case GDISP_ROTATE_270:
acquire_bus();
- write_reg(0x0001, 0x293F);
- /* ID = 11 AM = 1 */
- write_reg(0x0011, 0x6078);
+ /* ID = 10 AM = 1 */
+ write_reg(0x0011, 0x6068);
release_bus();
g->g.Height = GDISP_SCREEN_WIDTH;
g->g.Width = GDISP_SCREEN_HEIGHT;
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