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| author | Abhishek Kumar <abhishek@kumar> | 2013-03-30 16:08:47 +0530 |
|---|---|---|
| committer | Abhishek Kumar <abhishek@kumar> | 2013-03-30 16:08:47 +0530 |
| commit | 674bcb52d2b981b7c3d0b0b313fe6f17b8e4ff1d (patch) | |
| tree | 22c9ed446c862964e80e2942daf364d8291f6da4 /drivers/gdisp/ILI9320 | |
| parent | f938c720448b81f53310c9b0aaa8b29d0aee71e9 (diff) | |
| download | uGFX-674bcb52d2b981b7c3d0b0b313fe6f17b8e4ff1d.tar.gz uGFX-674bcb52d2b981b7c3d0b0b313fe6f17b8e4ff1d.tar.bz2 uGFX-674bcb52d2b981b7c3d0b0b313fe6f17b8e4ff1d.zip | |
GPIO interface-related fixes
Adding acquire_bus() and release_bus()
so that orientation setting commands are
not ignored.
Diffstat (limited to 'drivers/gdisp/ILI9320')
| -rw-r--r-- | drivers/gdisp/ILI9320/gdisp_lld.c | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/drivers/gdisp/ILI9320/gdisp_lld.c b/drivers/gdisp/ILI9320/gdisp_lld.c index 0cb5542f..f4ff05d5 100644 --- a/drivers/gdisp/ILI9320/gdisp_lld.c +++ b/drivers/gdisp/ILI9320/gdisp_lld.c @@ -460,16 +460,20 @@ void gdisp_lld_draw_pixel(coord_t x, coord_t y, color_t color) { return; switch((gdisp_powermode_t)value) { case powerOff: + acquire_bus(); lld_lcdWriteReg(0x0007, 0x0000); lld_lcdWriteReg(0x0010, 0x0000); lld_lcdWriteReg(0x0011, 0x0000); lld_lcdWriteReg(0x0012, 0x0000); lld_lcdWriteReg(0x0013, 0x0000); + release_bus(); + gdisp_lld_backlight(0); break; case powerOn: //*************Power On sequence ******************// + acquire_bus(); lld_lcdWriteReg(0x0010, 0x0000); /* SAP, BT[3:0], AP, DSTB, SLP, STB */ lld_lcdWriteReg(0x0011, 0x0000); /* DC1[2:0], DC0[2:0], VC[2:0] */ lld_lcdWriteReg(0x0012, 0x0000); /* VREG1OUT voltage */ @@ -483,13 +487,16 @@ void gdisp_lld_draw_pixel(coord_t x, coord_t y, color_t color) { lld_lcdWriteReg(0x0013, 0x0E00); /* VDV[4:0] for VCOM amplitude */ lld_lcdWriteReg(0x0029, 0x0009); /* VCM[4:0] for VCOMH */ lld_lcdDelay(500); - lld_lcdWriteReg(0x0007, 0x0173); /* 262K color and display ON */ + lld_lcdWriteReg(0x0007, 0x0173); /* 262K color and display ON */ + release_bus(); + gdisp_lld_backlight(GDISP.Backlight); if(GDISP.Powermode != powerSleep || GDISP.Powermode != powerDeepSleep) gdisp_lld_init(); break; case powerSleep: + acquire_bus(); lld_lcdWriteReg(0x0007, 0x0000); /* display OFF */ lld_lcdWriteReg(0x0010, 0x0000); /* SAP, BT[3:0], APE, AP, DSTB, SLP */ lld_lcdWriteReg(0x0011, 0x0000); /* DC1[2:0], DC0[2:0], VC[2:0] */ @@ -497,10 +504,13 @@ void gdisp_lld_draw_pixel(coord_t x, coord_t y, color_t color) { lld_lcdWriteReg(0x0013, 0x0000); /* VDV[4:0] for VCOM amplitude */ lld_lcdDelay(2000); /* Dis-charge capacitor power voltage */ lld_lcdWriteReg(0x0010, 0x0002); /* SAP, BT[3:0], APE, AP, DSTB, SLP */ + release_bus(); + gdisp_lld_backlight(0); break; case powerDeepSleep: + acquire_bus(); lld_lcdWriteReg(0x0007, 0x0000); /* display OFF */ lld_lcdWriteReg(0x0010, 0x0000); /* SAP, BT[3:0], APE, AP, DSTB, SLP */ lld_lcdWriteReg(0x0011, 0x0000); /* DC1[2:0], DC0[2:0], VC[2:0] */ @@ -508,6 +518,8 @@ void gdisp_lld_draw_pixel(coord_t x, coord_t y, color_t color) { lld_lcdWriteReg(0x0013, 0x0000); /* VDV[4:0] for VCOM amplitude */ lld_lcdDelay(2000); /* Dis-charge capacitor power voltage */ lld_lcdWriteReg(0x0010, 0x0004); /* SAP, BT[3:0], APE, AP, DSTB, SLP */ + release_bus(); + gdisp_lld_backlight(0); break; @@ -522,33 +534,45 @@ void gdisp_lld_draw_pixel(coord_t x, coord_t y, color_t color) { return; switch((gdisp_orientation_t)value) { case GDISP_ROTATE_0: + acquire_bus(); lld_lcdWriteReg(0x0001, 0x0100); lld_lcdWriteReg(0x0003, 0x1038); lld_lcdWriteReg(0x0060, 0x2700); + release_bus(); + GDISP.Height = GDISP_SCREEN_HEIGHT; GDISP.Width = GDISP_SCREEN_WIDTH; break; case GDISP_ROTATE_90: + acquire_bus(); lld_lcdWriteReg(0x0001, 0x0100); lld_lcdWriteReg(0x0003, 0x1030); lld_lcdWriteReg(0x0060, 0x2700); + release_bus(); + GDISP.Height = GDISP_SCREEN_WIDTH; GDISP.Width = GDISP_SCREEN_HEIGHT; break; case GDISP_ROTATE_180: + acquire_bus(); lld_lcdWriteReg(0x0001, 0x0000); lld_lcdWriteReg(0x0003, 0x1030); lld_lcdWriteReg(0x0060, 0x2700); + release_bus(); + GDISP.Height = GDISP_SCREEN_HEIGHT; GDISP.Width = GDISP_SCREEN_WIDTH; break; case GDISP_ROTATE_270: + acquire_bus(); lld_lcdWriteReg(0x0001, 0x0000); lld_lcdWriteReg(0x0003, 0x1038); lld_lcdWriteReg(0x0060, 0xA700); + release_bus(); + GDISP.Height = GDISP_SCREEN_WIDTH; GDISP.Width = GDISP_SCREEN_HEIGHT; break; |