Direct Drive LCD Design Guide
2.Driver Configuration
The LCD Direct Driver is configured through the setting of macro definitions. These macros are illustrated in the sample code. The following table briefly describes the location of each of these macros and their location in LCD Direct Drive demonstration code. For examples of each macro usage, refer to the demonstration code.
2.1 LCD Direct Drive Configuration Macros
Macro Name | Description | Units | Demo Location |
| System Clock Configuration |
|
|
ICLK_FREQUENCY | Clock frequency of MCU core | Hz | HWSetup.h |
PCLK_FREQUENCY | Clock frequency of peripherals | Hz | HWSetup.h |
BCLK_FREQUENCY | Clock frequency of external bus | Hz | HWSetup.h |
|
|
|
|
FRAME_HEIGHT | Frame Buffer Configuration | Lines | DirectLCD_CNF.h |
FRAME_WIDTH | Frame Buffer Configuration | Dots | DirectLCD_CNF.h |
V_LINES_INVERT | Frame Buffer Configuration | Select | DirectLCD_CNF.h |
H_DOT_INVERT | Frame Buffer Configuration | Select | DirectLCD_CNF.h |
PANEL_ROTATE | Frame Buffer Configuration | Select | DirectLCD_CNF.h |
LCD_FRAMES | Frame Buffer Configuration | Frames | DirectLCD_CNF.h |
MAX_FRAME_REGIONS | Frame Buffer Configuration | Regions | DirectLCD_CNF.h |
|
|
|
|
SRAM_DD | Driver Mode Selection | Select | DirectLCD_CNF.h |
SRAM_NOMUX_DD | Driver Mode Selection | Select | DirectLCD_CNF.h |
SDRAM_DD | Driver Mode Selection | Select | DirectLCD_CNF.h |
SDRAM_CLUSTER_DD | Driver Mode Selection | Select | DirectLCD_CNF.h |
|
|
|
|
DOT_CLOCK_FREQUENCY_DATA | Driver Mode Configuration | Hz | DirectLCD_CNF.h |
DOT_CLOCK_FREQUENCY_BLANK | Driver Mode Configuration | Hz | DirectLCD_CNF.h |
DESIRED_FRAME_RATE | Driver Mode Configuration | Hz | DirectLCD_CNF.h |
MINIMUM_MCU_ACCESS_PCT | Driver Mode Configuration | % | DirectLCD_CNF.h |
|
|
|
|
DOT_INVERT | LCD Panel Configuration | Select | DirectLCD_CNF(panel).h |
V_LINES_PULSE | LCD Panel Configuration | Lines | DirectLCD_CNF(panel).h |
V_LINES_BACK_PORCH | LCD Panel Configuration | Lines | DirectLCD_CNF(panel).h |
V_LINES_DISPLAY | LCD Panel Configuration | Lines | DirectLCD_CNF(panel).h |
V_LINES_FRONT_PORCH | LCD Panel Configuration | Lines | DirectLCD_CNF(panel).h |
H_DOT_PULSE | LCD Panel Configuration | Dots | DirectLCD_CNF(panel).h |
H_DOT_BACK_PORCH | LCD Panel Configuration | Dots | DirectLCD_CNF(panel).h |
H_DOT_DISPLAY | LCD Panel Configuration | Dots | DirectLCD_CNF(panel).h |
H_DOT_FRONT_PORCH | LCD Panel Configuration | Dots | DirectLCD_CNF(panel).h |
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