tft: xtft.h File Reference

| tft Xilinx SDK Drivers API Documentation

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Data Structures | Macros | Functions
xtft.h File Reference

## Data Structures
struct | XTft_Config
| This structure holds the Device base address, video memory base address and Unique identifier of the device. More...
struct | XTft
| This structure is the base for whole of the operations that are to be performed on the TFT screen. More...

## Macros
#define | XTFT_ASCIICHAR_OFFSET 32
| As the first bitmap available in the Character Bitmap array is "space" whose value is 32 in the ASCII character table, this offset enables us to move to this first character in the array. More...
#define | XTFT_DEF_FGCOLOR 0x00FFFFFF
| The default color is white for foreground and black for background. More...
#define | XTFT_DEF_BGCOLOR 0x0
| Background Color - Black. More...
#define | XTFT_DEF_COLVAL 0x0
| Default Column Value. More...
#define | XTFT_DEF_ROWVAL 0x0
| Default Row Value. More...

## Functions
XTft_Config * | XTft_LookupConfig (u16 DeviceId)
| This function obtains the Configuration pointer of the device whose ID is being passed as the parameter to the function. More...
int | XTft_CfgInitialize (XTft *InstancePtr, XTft_Config *ConfigPtr, UINTPTR EffectiveAddr)
| This function initializes a TFT Driver Instance. More...
void | XTft_SetPos (XTft *InstancePtr, u32 ColVal, u32 RowVal)
| This function updates the column, row position in the Instance structure of driver. More...
void | XTft_SetPosChar (XTft *InstancePtr, u32 ColVal, u32 RowVal)
| This function changes the column, row position in the Instance structure of driver. More...
void | XTft_SetColor (XTft *InstancePtr, u32 FgColor, u32 BgColor)
| This function changes the color values in the instance structure of driver. More...
void | XTft_SetPixel (XTft *InstancePtr, u32 ColVal, u32 RowVal, u32 PixelVal)
| This function sets the pixel with the given color at the given column, row position. More...
void | XTft_GetPixel (XTft *InstancePtr, u32 ColVal, u32 RowVal, u32 *PixelVal)
| This function gets the color of the pixel at the given column, row position. More...
void | XTft_Write (XTft *InstancePtr, u8 CharValue)
| This function performs one of the following three operations based on the CharValue passed : More...
void | XTft_Scroll (XTft *InstancePtr)
| This function inserts a new blank line at the bottom of the screen, it deletes the first line and moves the remaining lines up by one line. More...
void | XTft_ClearScreen (XTft *InstancePtr)
| This function re-initializes all the pixels to the default background color. More...
void | XTft_FillScreen (XTft *InstancePtr, u32 ColStartVal, u32 RowStartVal, u32 ColEndVal, u32 RowEndVal, u32 PixelVal)
| This function fills the screen with the range defined by the start and end values of column and row with the color passed as argument. More...
void | XTft_EnableDisplay (XTft *InstancePtr)
| This function enables the TFT display by setting the Display Enable bit in the Control register. More...
void | XTft_DisableDisplay (XTft *InstancePtr)
| This function disables the TFT display by clearing the Display Enable bit in the Control register. More...
void | XTft_ScanReverse (XTft *InstancePtr)
| This function enables reverse scan by setting the Display Scan Control(DPS) bit in the Control register. More...
void | XTft_ScanNormal (XTft *InstancePtr)
| This function enables normal scan by clearing the Display Scan Control(DPS) bit in the Control register. More...
void | XTft_SetFrameBaseAddr (XTft *InstancePtr, UINTPTR NewFrameBaseAddr)
| This function changes the Video Memory Base address stored in the Address Register. More...
void | XTft_WriteReg (XTft *InstancePtr, u32 RegOffset, u32 Data)
| Write a value to a TFT register. More...
u32 | XTft_ReadReg (XTft *InstancePtr, u32 RegOffset)
| Read a value from a TFT register. More...
void | XTft_IntrEnable (XTft *InstancePtr)
| This function enables the Vsync Interrupt in the Interrupt Enable and Status Register. More...
void | XTft_IntrDisable (XTft *InstancePtr)
| This function disables the Vsync Interrupt in the Interrupt Enable and Status Register. More...
int | XTft_GetVsyncStatus (XTft *InstancePtr)
| This function gets the Vsync(Video address latch) status from the Interrupt Enable and Status Register. More...