diff options
Diffstat (limited to 'drivers/gdisp/SSD1963/gdisp_lld_panel.h')
| -rw-r--r-- | drivers/gdisp/SSD1963/gdisp_lld_panel.h | 58 |
1 files changed, 45 insertions, 13 deletions
diff --git a/drivers/gdisp/SSD1963/gdisp_lld_panel.h b/drivers/gdisp/SSD1963/gdisp_lld_panel.h index b4ed5c80..5fa126c8 100644 --- a/drivers/gdisp/SSD1963/gdisp_lld_panel.h +++ b/drivers/gdisp/SSD1963/gdisp_lld_panel.h @@ -1,5 +1,5 @@ /* - ChibiOS/GFX Copyright (C) 2012 + ChibiOS/GFX Copyright (C) 2012, 2013 Joel Bodenmann aka Tectu <joel@unormal.org> This file is part of ChibiOS/GFX. @@ -30,24 +30,56 @@ #define _GDISP_LLD_PANEL_H /* LCD panel specs */ -#define GDISP_SCREEN_WIDTH 480 -#define GDISP_SCREEN_HEIGHT 272 +#define GDISP_SCREEN_WIDTH 800 +#define GDISP_SCREEN_HEIGHT 480 -#define SCREEN_FPS 60ULL +/* The timings need to follow the datasheet for your particular TFT/LCD screen (the actual screen, not the controller) +*** Datasheets normally use a specific set of timings and acronyms, their value refers to the number of pixel clocks +** Non-display periods refer to pulses/timings that occur before or after the timings that actually put pixels on the screen +** Display periods refer to pulses/timings that directly put pixels on the screen +HDP: Horizontal Display Period, normally the width - 1 +HT: Horizontal Total period (display + non-display) +HPS: non-display period between the start of the horizontal sync (LLINE) signal and the first display data +LPS: horizontal sync pulse (LLINE) start location in pixel clocks +HPW: Horizontal sync Pulse Width +VDP: Vertical Display period, normally height - 1 +VT: Vertical Total period (display + non-display) +VPS: non-display period in lines between the start of the frame and the first display data in number of lines +FPS: vertical sync pulse (LFRAME) start location in lines. +VPW: Vertical sync Pulse Width -#define SCREEN_HSYNC_BACK_PORCH 2LL -#define SCREEN_HSYNC_FRONT_PORCH 2ULL -#define SCREEN_HSYNC_PULSE 41ULL +*** Here's how to convert them: +HPS = SCREEN_HSYNC_PULSE + SCREEN_HSYNC_BACK_PORCH +HT - HPS = GDISP_SCREEN_WIDTH + SCREEN_HSYNC_FRONT_PORCH +=> SCREEN_HSYNC_FRONT_PORCH = ( HT - HPS ) - GDISP_SCREEN_WIDTH + SCREEN_HSYNC_PULSE = HPW + SCREEN_HSYNC_BACK_PORCH = HPS - HPW + SCREEN_HSYNC_PERIOD = HT + +VPS = SCREEN_VSYNC_PULSE + SCREEN_VSYNC_BACK_PORCH +VT - VPS = GDISP_SCREEN_HEIGHT + SCREEN_VSYNC_FRONT_PORCH +=> SCREEN_VSYNC_FRONT_PORCH = ( VT - VPS ) - GDISP_SCREEN_HEIGHT + SCREEN_VSYNC_PULSE = VPW + SCREEN_VSYNC_BACK_PORCH = VPS - LPS + SCREEN_VSYNC_PERIOD = VT +*/ + +//The following values are for a 5" TFT LCD +#define SCREEN_HSYNC_BACK_PORCH 43 +#define SCREEN_HSYNC_FRONT_PORCH 149 +#define SCREEN_HSYNC_PULSE 8 + +#define SCREEN_VSYNC_BACK_PORCH 21 +#define SCREEN_VSYNC_FRONT_PORCH 26 +#define SCREEN_VSYNC_PULSE 3 -#define SCREEN_VSYNC_BACK_PORCH 2ULL -#define SCREEN_VSYNC_FRONT_PORCH 2ULL -#define SCREEN_VSYNC_PULSE 10ULL + +#define SCREEN_HSTART_POSITION 3 //Horizontal Display Period Start Position +#define SCREEN_VSTART_POSITION 23 //Vertical Display Period Start Position #define SCREEN_HSYNC_PERIOD (SCREEN_HSYNC_PULSE + SCREEN_HSYNC_BACK_PORCH + GDISP_SCREEN_WIDTH + SCREEN_HSYNC_FRONT_PORCH) #define SCREEN_VSYNC_PERIOD (SCREEN_VSYNC_PULSE + SCREEN_VSYNC_BACK_PORCH + GDISP_SCREEN_HEIGHT + SCREEN_VSYNC_FRONT_PORCH) -#define SCREEN_PCLK (SCREEN_HSYNC_PERIOD * SCREEN_VSYNC_PERIOD * SCREEN_FPS) -#define GDISP_FPR ((SCREEN_PCLK * 1048576)/100000000) - #endif /** @} */ + |