EBIEMLIB

Detailed Description

EBI External Bus Interface (EBI) Peripheral API.

This module contains functions to control the EBI peripheral of Silicon Labs 32-bit MCUs and SoCs. The EBI is used for accessing external parallel devices. The devices appear as part of the internal memory map of the MCU.

Data Structures

struct  EBI_Init_TypeDef
 
struct  EBI_TFTInit_TypeDef
 

Macros

#define EBI_BANK0   (uint32_t)(1 << 1)
 
#define EBI_BANK1   (uint32_t)(1 << 2)
 
#define EBI_BANK2   (uint32_t)(1 << 3)
 
#define EBI_BANK3   (uint32_t)(1 << 4)
 
#define EBI_CS0   (uint32_t)(1 << 1)
 
#define EBI_CS1   (uint32_t)(1 << 2)
 
#define EBI_CS2   (uint32_t)(1 << 3)
 
#define EBI_CS3   (uint32_t)(1 << 4)
 
#define EBI_GENERIC_ALB_A0   EBI_ROUTE_ALB_A0
 
#define EBI_GENERIC_ALB_A16   EBI_ROUTE_ALB_A16
 
#define EBI_GENERIC_ALB_A24   EBI_ROUTE_ALB_A24
 
#define EBI_GENERIC_ALB_A8   EBI_ROUTE_ALB_A8
 
#define EBI_GENERIC_APEN_A0   EBI_ROUTE_APEN_A0
 
#define EBI_GENERIC_APEN_A10   EBI_ROUTE_APEN_A10
 
#define EBI_GENERIC_APEN_A11   EBI_ROUTE_APEN_A11
 
#define EBI_GENERIC_APEN_A12   EBI_ROUTE_APEN_A12
 
#define EBI_GENERIC_APEN_A13   EBI_ROUTE_APEN_A13
 
#define EBI_GENERIC_APEN_A14   EBI_ROUTE_APEN_A14
 
#define EBI_GENERIC_APEN_A15   EBI_ROUTE_APEN_A15
 
#define EBI_GENERIC_APEN_A16   EBI_ROUTE_APEN_A16
 
#define EBI_GENERIC_APEN_A17   EBI_ROUTE_APEN_A17
 
#define EBI_GENERIC_APEN_A18   EBI_ROUTE_APEN_A18
 
#define EBI_GENERIC_APEN_A19   EBI_ROUTE_APEN_A19
 
#define EBI_GENERIC_APEN_A20   EBI_ROUTE_APEN_A20
 
#define EBI_GENERIC_APEN_A21   EBI_ROUTE_APEN_A21
 
#define EBI_GENERIC_APEN_A22   EBI_ROUTE_APEN_A22
 
#define EBI_GENERIC_APEN_A23   EBI_ROUTE_APEN_A23
 
#define EBI_GENERIC_APEN_A24   EBI_ROUTE_APEN_A24
 
#define EBI_GENERIC_APEN_A25   EBI_ROUTE_APEN_A25
 
#define EBI_GENERIC_APEN_A26   EBI_ROUTE_APEN_A26
 
#define EBI_GENERIC_APEN_A27   EBI_ROUTE_APEN_A27
 
#define EBI_GENERIC_APEN_A28   EBI_ROUTE_APEN_A28
 
#define EBI_GENERIC_APEN_A5   EBI_ROUTE_APEN_A5
 
#define EBI_GENERIC_APEN_A6   EBI_ROUTE_APEN_A6
 
#define EBI_GENERIC_APEN_A7   EBI_ROUTE_APEN_A7
 
#define EBI_GENERIC_APEN_A8   EBI_ROUTE_APEN_A8
 
#define EBI_GENERIC_APEN_A9   EBI_ROUTE_APEN_A9
 
#define EBI_INIT_DEFAULT
 
#define EBI_TFTINIT_DEFAULT
 

Enumerations

enum  EBI_AHigh_TypeDef {
  ebiAHighA0 = EBI_GENERIC_APEN_A0,
  ebiAHighA5 = EBI_GENERIC_APEN_A5,
  ebiAHighA6 = EBI_GENERIC_APEN_A6,
  ebiAHighA7 = EBI_GENERIC_APEN_A7,
  ebiAHighA8 = EBI_GENERIC_APEN_A8,
  ebiAHighA9 = EBI_GENERIC_APEN_A9,
  ebiAHighA10 = EBI_GENERIC_APEN_A10,
  ebiAHighA11 = EBI_GENERIC_APEN_A11,
  ebiAHighA12 = EBI_GENERIC_APEN_A12,
  ebiAHighA13 = EBI_GENERIC_APEN_A13,
  ebiAHighA14 = EBI_GENERIC_APEN_A14,
  ebiAHighA15 = EBI_GENERIC_APEN_A15,
  ebiAHighA16 = EBI_GENERIC_APEN_A16,
  ebiAHighA17 = EBI_GENERIC_APEN_A17,
  ebiAHighA18 = EBI_GENERIC_APEN_A18,
  ebiAHighA19 = EBI_GENERIC_APEN_A19,
  ebiAHighA20 = EBI_GENERIC_APEN_A20,
  ebiAHighA21 = EBI_GENERIC_APEN_A21,
  ebiAHighA22 = EBI_GENERIC_APEN_A22,
  ebiAHighA23 = EBI_GENERIC_APEN_A23,
  ebiAHighA24 = EBI_GENERIC_APEN_A24,
  ebiAHighA25 = EBI_GENERIC_APEN_A25,
  ebiAHighA26 = EBI_GENERIC_APEN_A26,
  ebiAHighA27 = EBI_GENERIC_APEN_A27,
  ebiAHighA28 = EBI_GENERIC_APEN_A28
}
 
enum  EBI_ALow_TypeDef {
  ebiALowA0 = EBI_GENERIC_ALB_A0,
  ebiALowA8 = EBI_GENERIC_ALB_A8,
  ebiALowA16 = EBI_GENERIC_ALB_A16,
  ebiALowA24 = EBI_GENERIC_ALB_A24
}
 
enum  EBI_Line_TypeDef {
  ebiLineARDY,
  ebiLineALE,
  ebiLineWE,
  ebiLineRE,
  ebiLineCS,
  ebiLineBL,
  ebiLineTFTVSync,
  ebiLineTFTHSync,
  ebiLineTFTDataEn,
  ebiLineTFTDClk,
  ebiLineTFTCS
}
 
enum  EBI_Location_TypeDef {
  ebiLocation0 = EBI_ROUTE_LOCATION_LOC0,
  ebiLocation1 = EBI_ROUTE_LOCATION_LOC1,
  ebiLocation2 = EBI_ROUTE_LOCATION_LOC2
}
 
enum  EBI_Mode_TypeDef {
  ebiModeD8A8 = EBI_CTRL_MODE_D8A8,
  ebiModeD16A16ALE = EBI_CTRL_MODE_D16A16ALE,
  ebiModeD8A24ALE = EBI_CTRL_MODE_D8A24ALE,
  ebiModeD16 = EBI_CTRL_MODE_D16
}
 
enum  EBI_Polarity_TypeDef {
  ebiActiveLow = 0,
  ebiActiveHigh = 1
}
 
enum  EBI_TFTBank_TypeDef {
  ebiTFTBank0 = EBI_TFTCTRL_BANKSEL_BANK0,
  ebiTFTBank1 = EBI_TFTCTRL_BANKSEL_BANK1,
  ebiTFTBank2 = EBI_TFTCTRL_BANKSEL_BANK2,
  ebiTFTBank3 = EBI_TFTCTRL_BANKSEL_BANK3
}
 
enum  EBI_TFTColorSrc_TypeDef {
  ebiTFTColorSrcMem = EBI_TFTCTRL_COLOR1SRC_MEM,
  ebiTFTColorSrcPixel1 = EBI_TFTCTRL_COLOR1SRC_PIXEL1
}
 
enum  EBI_TFTDDMode_TypeDef {
  ebiTFTDDModeDisabled = EBI_TFTCTRL_DD_DISABLED,
  ebiTFTDDModeInternal = EBI_TFTCTRL_DD_INTERNAL,
  ebiTFTDDModeExternal = EBI_TFTCTRL_DD_EXTERNAL
}
 
enum  EBI_TFTFrameBufTrigger_TypeDef {
  ebiTFTFrameBufTriggerVSync = EBI_TFTCTRL_FBCTRIG_VSYNC,
  ebiTFTFrameBufTriggerHSync = EBI_TFTCTRL_FBCTRIG_HSYNC
}
 
enum  EBI_TFTInterleave_TypeDef {
  ebiTFTInterleaveUnlimited = EBI_TFTCTRL_INTERLEAVE_UNLIMITED,
  ebiTFTInterleaveOnePerDClk = EBI_TFTCTRL_INTERLEAVE_ONEPERDCLK,
  ebiTFTInterleavePorch = EBI_TFTCTRL_INTERLEAVE_PORCH
}
 
enum  EBI_TFTMaskBlend_TypeDef {
  ebiTFTMBDisabled = EBI_TFTCTRL_MASKBLEND_DISABLED,
  ebiTFTMBIMask = EBI_TFTCTRL_MASKBLEND_IMASK,
  ebiTFTMBIAlpha = EBI_TFTCTRL_MASKBLEND_IALPHA,
  ebiTFTMBIMaskAlpha = EBI_TFTCTRL_MASKBLEND_IMASKIALPHA,
  ebiTFTMBEMask = EBI_TFTCTRL_MASKBLEND_EMASK,
  ebiTFTMBEAlpha = EBI_TFTCTRL_MASKBLEND_EALPHA,
  ebiTFTMBEMaskAlpha = EBI_TFTCTRL_MASKBLEND_EMASKEALPHA
}
 
enum  EBI_TFTWidth_TypeDef {
  ebiTFTWidthByte = EBI_TFTCTRL_WIDTH_BYTE,
  ebiTFTWidthHalfWord = EBI_TFTCTRL_WIDTH_HALFWORD
}
 

Functions

void EBI_AddressTimingSet (uint32_t setupCycles, uint32_t holdCycles)
 Configure timing values of address latch bus accesses.
 
void EBI_AltMapEnable (bool enable)
 Configure the Alternate Address Map support. Enables or disables 256 MB address range for all banks.
 
uint32_t EBI_BankAddress (uint32_t bank)
 Return the base address of the EBI bank.
 
void EBI_BankAddressTimingConfig (uint32_t banks, bool halfALE)
 Configure address operation parameters for a selected bank.
 
void EBI_BankAddressTimingSet (uint32_t banks, uint32_t setupCycles, uint32_t holdCycles)
 Configure timing values of address latch bus accesses.
 
void EBI_BankByteLaneEnable (uint32_t banks, bool enable)
 Configure Byte Lane Enable for select banks timing support.
 
void EBI_BankEnable (uint32_t banks, bool enable)
 Enable or disable EBI Bank.
 
void EBI_BankPolaritySet (uint32_t banks, EBI_Line_TypeDef line, EBI_Polarity_TypeDef polarity)
 Configure EBI pin polarity for selected bank(s) for devices with individual timing support.
 
void EBI_BankReadTimingConfig (uint32_t banks, bool pageMode, bool prefetch, bool halfRE)
 Configure read operation parameters for a selected bank.
 
void EBI_BankReadTimingSet (uint32_t banks, uint32_t setupCycles, uint32_t strobeCycles, uint32_t holdCycles)
 Configure timing values of read bus accesses.
 
void EBI_BankWriteTimingConfig (uint32_t banks, bool writeBufDisable, bool halfWE)
 Configure write operation parameters for a selected bank.
 
void EBI_BankWriteTimingSet (uint32_t banks, uint32_t setupCycles, uint32_t strobeCycles, uint32_t holdCycles)
 Configure timing values of write bus accesses.
 
void EBI_ChipSelectEnable (uint32_t cs, bool enable)
 Enable or disable EBI Chip Select.
 
void EBI_Disable (void)
 Disable External Bus Interface.
 
void EBI_Init (const EBI_Init_TypeDef *ebiInit)
 Configure and enable the External Bus Interface.
 
__STATIC_INLINE void EBI_IntClear (uint32_t flags)
 Clear one or more pending EBI interrupts.
 
__STATIC_INLINE void EBI_IntDisable (uint32_t flags)
 Disable one or more EBI interrupts.
 
__STATIC_INLINE void EBI_IntEnable (uint32_t flags)
 Enable one or more EBI interrupts.
 
__STATIC_INLINE uint32_t EBI_IntGet (void)
 Get pending EBI interrupt flags.
 
__STATIC_INLINE uint32_t EBI_IntGetEnabled (void)
 Get enabled and pending EBI interrupt flags. Useful for handling more interrupt sources in the same interrupt handler.
 
__STATIC_INLINE void EBI_IntSet (uint32_t flags)
 Set one or more pending EBI interrupts.
 
void EBI_NANDFlashEnable (uint32_t banks, bool enable)
 Enable or disable EBI NAND Flash Support.
 
void EBI_PolaritySet (EBI_Line_TypeDef line, EBI_Polarity_TypeDef polarity)
 Configure EBI pin polarity.
 
void EBI_ReadTimingSet (uint32_t setupCycles, uint32_t strobeCycles, uint32_t holdCycles)
 Configure timing values of read bus accesses.
 
__STATIC_INLINE void EBI_StartNandEccGen (void)
 Start ECC generator on NAND flash transfers.
 
__STATIC_INLINE uint32_t EBI_StopNandEccGen (void)
 Stop NAND flash ECC generator and return generated ECC.
 
__STATIC_INLINE void EBI_TFTAlphaBlendSet (uint8_t alpha)
 Set TFT Alpha Blending Factor.
 
__STATIC_INLINE void EBI_TFTColorSrcSet (EBI_TFTColorSrc_TypeDef colorSrc)
 Masking and Blending Color1 Source Set.
 
__STATIC_INLINE void EBI_TFTDDSet (uint32_t color)
 Set TFT Direct Drive Data from Internal Memory.
 
__STATIC_INLINE void EBI_TFTEnable (EBI_TFTDDMode_TypeDef mode)
 Enable or disable TFT Direct Drive.
 
__STATIC_INLINE void EBI_TFTFBTriggerSet (EBI_TFTFrameBufTrigger_TypeDef sync)
 Set Frame Buffer Trigger.
 
__STATIC_INLINE void EBI_TFTFrameBaseSet (uint32_t address)
 Configure frame buffer pointer.
 
__STATIC_INLINE uint32_t EBI_TFTHCount (void)
 Get current horizontal position counter.
 
void EBI_TFTHPorchSet (uint32_t front, uint32_t back, uint32_t pulseWidth)
 Configure and initialize Horizontal Porch Settings.
 
__STATIC_INLINE void EBI_TFTHStrideSet (uint32_t nbytes)
 Set horizontal TFT stride value in number of bytes.
 
void EBI_TFTInit (const EBI_TFTInit_TypeDef *ebiTFTInit)
 Configure and initialize TFT Direct Drive.
 
__STATIC_INLINE void EBI_TFTMaskBlendMode (EBI_TFTMaskBlend_TypeDef maskBlend)
 Masking and Blending Mode Set.
 
__STATIC_INLINE void EBI_TFTMaskSet (uint32_t mask)
 Set TFT mask value. Data accesses that matches this value are suppressed.
 
__STATIC_INLINE void EBI_TFTPixelSet (int pixel, uint32_t color)
 Set TFT Pixel Color 0 or 1.
 
void EBI_TFTSizeSet (uint32_t horizontal, uint32_t vertical)
 Configure and initialize TFT size settings.
 
void EBI_TFTTimingSet (uint32_t dclkPeriod, uint32_t start, uint32_t setup, uint32_t hold)
 Configure TFT Direct Drive Timing Settings.
 
__STATIC_INLINE uint32_t EBI_TFTVCount (void)
 Get current vertical position counter.
 
void EBI_TFTVPorchSet (uint32_t front, uint32_t back, uint32_t pulseWidth)
 Configure Vertical Porch Settings.
 
void EBI_WriteTimingSet (uint32_t setupCycles, uint32_t strobeCycles, uint32_t holdCycles)
 Configure timing values of write bus accesses.
 

Macro Definition Documentation

#define EBI_BANK0   (uint32_t)(1 << 1)
*
* ---------               ---------
* |       |  /|       |\  | Ext.  |
* |  EBI  | / --------- \ | Async |
* |       | \ --------- / | Device|
* |       |  \|       |/  |       |
* ---------               ---------
*         Parallel interface
*
* 

EBI address bank 0.

Definition at line 75 of file em_ebi.h.

Referenced by BSP_EbiInit(), EBI_BankAddress(), EBI_BankAddressTimingConfig(), EBI_BankAddressTimingSet(), EBI_BankByteLaneEnable(), EBI_BankEnable(), EBI_BankPolaritySet(), EBI_BankReadTimingConfig(), EBI_BankReadTimingSet(), EBI_BankWriteTimingConfig(), EBI_BankWriteTimingSet(), EBI_Init(), and EBI_NANDFlashEnable().

#define EBI_CS0   (uint32_t)(1 << 1)

EBI chip select line 0.

Definition at line 80 of file em_ebi.h.

Referenced by EBI_ChipSelectEnable().

#define EBI_CS1   (uint32_t)(1 << 2)

EBI chip select line 1.

Definition at line 81 of file em_ebi.h.

Referenced by EBI_ChipSelectEnable().

#define EBI_CS2   (uint32_t)(1 << 3)

EBI chip select line 2.

Definition at line 82 of file em_ebi.h.

Referenced by EBI_ChipSelectEnable().

#define EBI_CS3   (uint32_t)(1 << 4)

EBI chip select line 3.

Definition at line 83 of file em_ebi.h.

Referenced by EBI_ChipSelectEnable().

#define EBI_INIT_DEFAULT

Default configuration for EBI initialization structures.

Definition at line 528 of file em_ebi.h.

#define EBI_TFTINIT_DEFAULT
Value:
{ \
ebiTFTBank0, /* Select EBI Bank 0. */ \
ebiTFTWidthHalfWord, /* Select 2-byte increments. */ \
ebiTFTColorSrcMem, /* Use memory as source for mask/blending. */ \
ebiTFTInterleaveUnlimited, /* Unlimited interleaved accesses. */ \
ebiTFTFrameBufTriggerVSync, /* VSYNC as frame buffer update trigger. */ \
false, /* Drive DCLK from negative edge of internal clock. */ \
ebiTFTMBDisabled, /* No masking and alpha blending enabled. */ \
ebiTFTDDModeExternal, /* Drive from external memory. */ \
ebiActiveLow, /* CS Active Low polarity. */ \
ebiActiveLow, /* DCLK Active Low polarity. */ \
ebiActiveLow, /* DATAEN Active Low polarity. */ \
ebiActiveLow, /* HSYNC Active Low polarity. */ \
ebiActiveLow, /* VSYNC Active Low polarity. */ \
320, /* Horizontal size in pixels. */ \
1, /* Horizontal Front Porch. */ \
29, /* Horizontal Back Porch. */ \
2, /* Horizontal Synchronization Pulse Width. */ \
240, /* Vertical size in pixels. */ \
1, /* Vertical Front Porch. */ \
4, /* Vertical Back Porch. */ \
2, /* Vertical Synchronization Pulse Width. */ \
0x0000, /* Address offset to EBI memory base. */ \
5, /* DCLK Period. */ \
2, /* DCLK Start. */ \
1, /* DCLK Setup cycles. */ \
1, /* DCLK Hold cycles. */ \
}

Default configuration for EBI TFT initialization structure.

Definition at line 646 of file em_ebi.h.

Enumeration Type Documentation

Address Pin Enable, high limit - higher limit of pins to enable.

Enumerator
ebiAHighA0 

All EBI_A pins are disabled.

ebiAHighA5 

All EBI_A[4:ALow] are enabled.

ebiAHighA6 

All EBI_A[5:ALow] are enabled.

ebiAHighA7 

All EBI_A[6:ALow] are enabled.

ebiAHighA8 

All EBI_A[7:ALow] are enabled.

ebiAHighA9 

All EBI_A[8:ALow] are enabled.

ebiAHighA10 

All EBI_A[9:ALow] are enabled.

ebiAHighA11 

All EBI_A[10:ALow] are enabled.

ebiAHighA12 

All EBI_A[11:ALow] are enabled.

ebiAHighA13 

All EBI_A[12:ALow] are enabled.

ebiAHighA14 

All EBI_A[13:ALow] are enabled.

ebiAHighA15 

All EBI_A[14:ALow] are enabled.

ebiAHighA16 

All EBI_A[15:ALow] are enabled.

ebiAHighA17 

All EBI_A[16:ALow] are enabled.

ebiAHighA18 

All EBI_A[17:ALow] are enabled.

ebiAHighA19 

All EBI_A[18:ALow] are enabled.

ebiAHighA20 

All EBI_A[19:ALow] are enabled.

ebiAHighA21 

All EBI_A[20:ALow] are enabled.

ebiAHighA22 

All EBI_A[21:ALow] are enabled.

ebiAHighA23 

All EBI_A[22:ALow] are enabled.

ebiAHighA24 

All EBI_A[23:ALow] are enabled.

ebiAHighA25 

All EBI_A[24:ALow] are enabled.

ebiAHighA26 

All EBI_A[25:ALow] are enabled.

ebiAHighA27 

All EBI_A[26:ALow] are enabled.

ebiAHighA28 

All EBI_A[27:ALow] are enabled.

Definition at line 217 of file em_ebi.h.

Address Pin Enable, lower limit - lower range of pins to enable.

Enumerator
ebiALowA0 

Address lines EBI_A[0] and upwards are enabled by APEN.

ebiALowA8 

Address lines EBI_A[8] and upwards are enabled by APEN.

ebiALowA16 

Address lines EBI_A[16] and upwards are enabled by APEN.

ebiALowA24 

Address lines EBI_A[24] and upwards are enabled by APEN.

Definition at line 205 of file em_ebi.h.

EBI Pin Line types.

Enumerator
ebiLineARDY 

Address Ready line.

ebiLineALE 

Address Latch Enable line.

ebiLineWE 

Write Enable line.

ebiLineRE 

Read Enable line.

ebiLineCS 

Chip Select line.

ebiLineBL 

BL line.

ebiLineTFTVSync 

TFT VSYNC line.

ebiLineTFTHSync 

TFT HSYNC line.

ebiLineTFTDataEn 

TFT Data enable line.

ebiLineTFTDClk 

TFT DCLK line.

ebiLineTFTCS 

TFT Chip select line.

Definition at line 174 of file em_ebi.h.

EBI I/O Alternate Pin Location.

Enumerator
ebiLocation0 

EBI PIN I/O Location 0.

ebiLocation1 

EBI PIN I/O Location 1.

ebiLocation2 

EBI PIN I/O Location 2.

Definition at line 273 of file em_ebi.h.

EBI Mode of operation.

Enumerator
ebiModeD8A8 

8 data bits, 8 address bits.

ebiModeD16A16ALE 

16 data bits, 16 address bits, using address latch enable.

ebiModeD8A24ALE 

8 data bits, 24 address bits, using address latch enable.

ebiModeD16 

Mode D16.

Definition at line 152 of file em_ebi.h.

EBI Polarity configuration.

Enumerator
ebiActiveLow 

Active Low.

ebiActiveHigh 

Active High.

Definition at line 166 of file em_ebi.h.

EBI TFT Graphics Bank Select.

Enumerator
ebiTFTBank0 

Memory BANK0 contains frame buffer.

ebiTFTBank1 

Memory BANK1 contains frame buffer.

ebiTFTBank2 

Memory BANK2 contains frame buffer.

ebiTFTBank3 

Memory BANK3 contains frame buffer.

Definition at line 287 of file em_ebi.h.

Masking and Alpha blending source color.

Enumerator
ebiTFTColorSrcMem 

Use memory as source color for masking/alpha blending.

ebiTFTColorSrcPixel1 

Use PIXEL1 register as source color for masking/alpha blending.

Definition at line 330 of file em_ebi.h.

TFT Direct Drive mode.

Enumerator
ebiTFTDDModeDisabled 

Disabled.

ebiTFTDDModeInternal 

Direct Drive from internal memory.

ebiTFTDDModeExternal 

Direct Drive from external memory.

Definition at line 393 of file em_ebi.h.

Control frame base pointer copy.

Enumerator
ebiTFTFrameBufTriggerVSync 

Trigger update of frame buffer pointer on vertical sync.

ebiTFTFrameBufTriggerHSync 

Trigger update of frame buffer pointer on horizontal sync.

Definition at line 348 of file em_ebi.h.

Bus Data Interleave Mode.

Enumerator
ebiTFTInterleaveUnlimited 

Unlimited interleaved accesses per EBI_DCLK period. Can cause jitter.

ebiTFTInterleaveOnePerDClk 

Allow 1 interleaved access per EBI_DCLK period.

ebiTFTInterleavePorch 

Only allow accesses during porch periods.

Definition at line 338 of file em_ebi.h.

Control of mask and alpha blending mode.

Enumerator
ebiTFTMBDisabled 

Masking and blending are disabled.

ebiTFTMBIMask 

Internal masking.

ebiTFTMBIAlpha 

Internal alpha blending.

ebiTFTMBIMaskAlpha 

Internal masking and alpha blending are enabled.

ebiTFTMBEMask 

External masking.

ebiTFTMBEAlpha 

External alpha blending.

ebiTFTMBEMaskAlpha 

External masking and alpha blending.

Definition at line 356 of file em_ebi.h.

TFT Data Increment Width.

Enumerator
ebiTFTWidthByte 

Pixel increments are 1 byte at a time.

ebiTFTWidthHalfWord 

Pixel increments are 2 bytes (half word).

Definition at line 403 of file em_ebi.h.

Function Documentation

void EBI_AddressTimingSet ( uint32_t  setupCycles,
uint32_t  holdCycles 
)

Configure timing values of address latch bus accesses.

Parameters
[in]setupCyclesSets the number of cycles the address is held after ALE is asserted.
[in]holdCyclesSets the number of cycles the address is driven onto the ADDRDAT bus before ALE is asserted. If set 0, 1 cycle is inserted by hardware.

Definition at line 596 of file em_ebi.c.

References _EBI_ADDRTIMING_ADDRHOLD_MASK, _EBI_ADDRTIMING_ADDRHOLD_SHIFT, _EBI_ADDRTIMING_ADDRSETUP_MASK, _EBI_ADDRTIMING_ADDRSETUP_SHIFT, and EBI.

Referenced by EBI_Init().

void EBI_AltMapEnable ( bool  enable)

Configure the Alternate Address Map support. Enables or disables 256 MB address range for all banks.

Parameters
[in]enableSet or clear the address map extension.

Definition at line 1179 of file em_ebi.c.

References _EBI_CTRL_ALTMAP_SHIFT, BUS_RegBitWrite(), and EBI.

uint32_t EBI_BankAddress ( uint32_t  bank)

Return the base address of the EBI bank.

Parameters
[in]bankA bank to return the start address for.
Returns
an absolute address of the bank.

Definition at line 362 of file em_ebi.c.

References EBI, EBI_BANK0, EBI_BANK1, EBI_BANK2, EBI_BANK3, EBI_CTRL_ALTMAP, and EBI_MEM_BASE.

Referenced by BSP_getTftSRAMDirectDriveBaseAddress(), BSP_setTftSRAMDirectDriveBaseAddress(), and TFT_DirectInit().

void EBI_BankAddressTimingConfig ( uint32_t  banks,
bool  halfALE 
)

Configure address operation parameters for a selected bank.

Parameters
[in]banksA mask of memory bank(s) to configure write timing for.
[in]halfALEEnables or disables the half cycle ALE strobe in the last strobe cycle.

Definition at line 983 of file em_ebi.c.

References _EBI_ADDRTIMING_HALFALE_SHIFT, BUS_RegBitWrite(), EBI, EBI_BANK0, EBI_BANK1, EBI_BANK2, and EBI_BANK3.

Referenced by EBI_Init().

void EBI_BankAddressTimingSet ( uint32_t  banks,
uint32_t  setupCycles,
uint32_t  holdCycles 
)

Configure timing values of address latch bus accesses.

Parameters
[in]banksA mask of memory bank(s) to configure address timing for.
[in]setupCyclesSets the number of cycles the address is held after ALE is asserted.
[in]holdCyclesSets the number of cycles the address is driven onto the ADDRDAT bus before ALE is asserted. If set 0, 1 cycle is inserted by hardware.

Definition at line 1016 of file em_ebi.c.

References _EBI_ADDRTIMING1_ADDRHOLD_MASK, _EBI_ADDRTIMING1_ADDRSETUP_MASK, _EBI_ADDRTIMING2_ADDRHOLD_MASK, _EBI_ADDRTIMING2_ADDRSETUP_MASK, _EBI_ADDRTIMING3_ADDRHOLD_MASK, _EBI_ADDRTIMING3_ADDRSETUP_MASK, _EBI_ADDRTIMING_ADDRHOLD_MASK, _EBI_ADDRTIMING_ADDRHOLD_SHIFT, _EBI_ADDRTIMING_ADDRSETUP_MASK, _EBI_ADDRTIMING_ADDRSETUP_SHIFT, EBI, EBI_BANK0, EBI_BANK1, EBI_BANK2, and EBI_BANK3.

Referenced by EBI_Init().

void EBI_BankByteLaneEnable ( uint32_t  banks,
bool  enable 
)

Configure Byte Lane Enable for select banks timing support.

Parameters
[in]banksA mask of memory bank(s) to configure polarity for.
[in]enableA flag

Definition at line 1151 of file em_ebi.c.

References _EBI_CTRL_BL1_SHIFT, _EBI_CTRL_BL2_SHIFT, _EBI_CTRL_BL3_SHIFT, _EBI_CTRL_BL_SHIFT, BUS_RegBitWrite(), EBI, EBI_BANK0, EBI_BANK1, EBI_BANK2, and EBI_BANK3.

void EBI_BankEnable ( uint32_t  banks,
bool  enable 
)

Enable or disable EBI Bank.

Parameters
[in]banksBanks to reconfigure, mask of EBI_BANK<n> flags.
[in]enableTrue to enable, false to disable.

Definition at line 336 of file em_ebi.c.

References _EBI_CTRL_BANK0EN_SHIFT, _EBI_CTRL_BANK1EN_SHIFT, _EBI_CTRL_BANK2EN_SHIFT, _EBI_CTRL_BANK3EN_SHIFT, BUS_RegBitWrite(), EBI, EBI_BANK0, EBI_BANK1, EBI_BANK2, and EBI_BANK3.

void EBI_BankPolaritySet ( uint32_t  banks,
EBI_Line_TypeDef  line,
EBI_Polarity_TypeDef  polarity 
)

Configure EBI pin polarity for selected bank(s) for devices with individual timing support.

Parameters
[in]banksA mask of memory bank(s) to configure polarity for.
[in]lineWhich pin/line to configure.
[in]polarityActive high, or active low.

Definition at line 1071 of file em_ebi.c.

References _EBI_POLARITY_ALEPOL_SHIFT, _EBI_POLARITY_ARDYPOL_SHIFT, _EBI_POLARITY_BLPOL_SHIFT, _EBI_POLARITY_CSPOL_SHIFT, _EBI_POLARITY_REPOL_SHIFT, _EBI_POLARITY_WEPOL_SHIFT, _EBI_TFTPOLARITY_CSPOL_SHIFT, _EBI_TFTPOLARITY_DATAENPOL_SHIFT, _EBI_TFTPOLARITY_DCLKPOL_SHIFT, _EBI_TFTPOLARITY_HSYNCPOL_SHIFT, _EBI_TFTPOLARITY_VSYNCPOL_SHIFT, BUS_RegBitWrite(), EBI, EBI_BANK0, EBI_BANK1, EBI_BANK2, EBI_BANK3, ebiLineALE, ebiLineARDY, ebiLineBL, ebiLineCS, ebiLineRE, ebiLineTFTCS, ebiLineTFTDataEn, ebiLineTFTDClk, ebiLineTFTHSync, ebiLineTFTVSync, and ebiLineWE.

Referenced by EBI_Init().

void EBI_BankReadTimingConfig ( uint32_t  banks,
bool  pageMode,
bool  prefetch,
bool  halfRE 
)

Configure read operation parameters for a selected bank.

Parameters
[in]banksA mask of memory bank(s) to configure write timing for.
[in]pageModeEnables or disables the half cycle WE strobe in the last strobe cycle.
[in]prefetchEnables or disables the half cycle WE strobe in the last strobe cycle.
[in]halfREEnables or disables the half cycle WE strobe in the last strobe cycle.

Definition at line 781 of file em_ebi.c.

References _EBI_RDTIMING_HALFRE_SHIFT, _EBI_RDTIMING_PAGEMODE_SHIFT, _EBI_RDTIMING_PREFETCH_SHIFT, BUS_RegBitWrite(), EBI, EBI_BANK0, EBI_BANK1, EBI_BANK2, and EBI_BANK3.

Referenced by EBI_Init().

void EBI_BankReadTimingSet ( uint32_t  banks,
uint32_t  setupCycles,
uint32_t  strobeCycles,
uint32_t  holdCycles 
)

Configure timing values of read bus accesses.

Parameters
[in]banksA mask of memory bank(s) to configure timing for.
[in]setupCyclesA number of clock cycles for address setup before REn is asserted.
[in]strobeCyclesThe number of cycles the REn is held active. After the specified number of cycles, data is read. If set to 0, 1 cycle is inserted by hardware.
[in]holdCyclesThe number of cycles CSn is held active after the REn is deasserted.

Definition at line 826 of file em_ebi.c.

References _EBI_RDTIMING1_RDHOLD_MASK, _EBI_RDTIMING1_RDSETUP_MASK, _EBI_RDTIMING1_RDSTRB_MASK, _EBI_RDTIMING2_RDHOLD_MASK, _EBI_RDTIMING2_RDSETUP_MASK, _EBI_RDTIMING2_RDSTRB_MASK, _EBI_RDTIMING3_RDHOLD_MASK, _EBI_RDTIMING3_RDSETUP_MASK, _EBI_RDTIMING3_RDSTRB_MASK, _EBI_RDTIMING_RDHOLD_MASK, _EBI_RDTIMING_RDHOLD_SHIFT, _EBI_RDTIMING_RDSETUP_MASK, _EBI_RDTIMING_RDSETUP_SHIFT, _EBI_RDTIMING_RDSTRB_MASK, _EBI_RDTIMING_RDSTRB_SHIFT, EBI, EBI_BANK0, EBI_BANK1, EBI_BANK2, and EBI_BANK3.

Referenced by EBI_Init().

void EBI_BankWriteTimingConfig ( uint32_t  banks,
bool  writeBufDisable,
bool  halfWE 
)

Configure write operation parameters for a selected bank.

Parameters
[in]banksA mask of memory bank(s) to configure write timing for.
[in]writeBufDisableIf true, disable the write buffer.
[in]halfWEEnables or disables half cycle WE strobe in the last strobe cycle.

Definition at line 886 of file em_ebi.c.

References _EBI_WRTIMING_HALFWE_SHIFT, _EBI_WRTIMING_WBUFDIS_SHIFT, BUS_RegBitWrite(), EBI, EBI_BANK0, EBI_BANK1, EBI_BANK2, and EBI_BANK3.

Referenced by EBI_Init().

void EBI_BankWriteTimingSet ( uint32_t  banks,
uint32_t  setupCycles,
uint32_t  strobeCycles,
uint32_t  holdCycles 
)

Configure timing values of write bus accesses.

Parameters
[in]banksA mask of memory bank(s) to configure write timing for.
[in]setupCyclesA number of clock cycles for address setup before WEn is asserted.
[in]strobeCyclesA number of cycles WEn is held active. If set to 0, 1 cycle is inserted by hardware.
[in]holdCyclesNumber of cycles CSn is held active after WEn is deasserted.

Definition at line 926 of file em_ebi.c.

References _EBI_WRTIMING1_WRHOLD_MASK, _EBI_WRTIMING1_WRSETUP_MASK, _EBI_WRTIMING1_WRSTRB_MASK, _EBI_WRTIMING2_WRHOLD_MASK, _EBI_WRTIMING2_WRSETUP_MASK, _EBI_WRTIMING2_WRSTRB_MASK, _EBI_WRTIMING3_WRHOLD_MASK, _EBI_WRTIMING3_WRSETUP_MASK, _EBI_WRTIMING3_WRSTRB_MASK, _EBI_WRTIMING_WRHOLD_MASK, _EBI_WRTIMING_WRHOLD_SHIFT, _EBI_WRTIMING_WRSETUP_MASK, _EBI_WRTIMING_WRSETUP_SHIFT, _EBI_WRTIMING_WRSTRB_MASK, _EBI_WRTIMING_WRSTRB_SHIFT, EBI, EBI_BANK0, EBI_BANK1, EBI_BANK2, and EBI_BANK3.

Referenced by EBI_Init().

void EBI_ChipSelectEnable ( uint32_t  cs,
bool  enable 
)

Enable or disable EBI Chip Select.

Parameters
[in]csChipSelect lines to reconfigure, mask of EBI_CS<n> flags.
[in]enableTrue to enable, false to disable.

Definition at line 444 of file em_ebi.c.

References EBI_CS0, EBI_CS1, EBI_CS2, and EBI_CS3.

Referenced by EBI_Init().

void EBI_Init ( const EBI_Init_TypeDef ebiInit)

Configure and enable the External Bus Interface.

Parameters
[in]ebiInitThe EBI configuration structure.
Note
GPIO lines must be configured as a PUSH_PULL for the correct operation. GPIO and EBI clocks must be enabled in the CMU.

Definition at line 114 of file em_ebi.c.

References _EBI_CTRL_ARDY1EN_MASK, _EBI_CTRL_ARDY1EN_SHIFT, _EBI_CTRL_ARDY2EN_MASK, _EBI_CTRL_ARDY2EN_SHIFT, _EBI_CTRL_ARDY3EN_MASK, _EBI_CTRL_ARDY3EN_SHIFT, _EBI_CTRL_ARDYEN_MASK, _EBI_CTRL_ARDYEN_SHIFT, _EBI_CTRL_ARDYTO1DIS_MASK, _EBI_CTRL_ARDYTO1DIS_SHIFT, _EBI_CTRL_ARDYTO2DIS_MASK, _EBI_CTRL_ARDYTO2DIS_SHIFT, _EBI_CTRL_ARDYTO3DIS_MASK, _EBI_CTRL_ARDYTO3DIS_SHIFT, _EBI_CTRL_ARDYTODIS_MASK, _EBI_CTRL_ARDYTODIS_SHIFT, _EBI_CTRL_BANK0EN_MASK, _EBI_CTRL_BANK1EN_MASK, _EBI_CTRL_BANK2EN_MASK, _EBI_CTRL_BANK3EN_MASK, _EBI_CTRL_BL1_MASK, _EBI_CTRL_BL1_SHIFT, _EBI_CTRL_BL2_MASK, _EBI_CTRL_BL2_SHIFT, _EBI_CTRL_BL3_MASK, _EBI_CTRL_BL3_SHIFT, _EBI_CTRL_BL_MASK, _EBI_CTRL_BL_SHIFT, _EBI_CTRL_MODE1_MASK, _EBI_CTRL_MODE1_SHIFT, _EBI_CTRL_MODE2_MASK, _EBI_CTRL_MODE2_SHIFT, _EBI_CTRL_MODE3_MASK, _EBI_CTRL_MODE3_SHIFT, _EBI_CTRL_MODE_MASK, _EBI_CTRL_MODE_SHIFT, _EBI_CTRL_NOIDLE1_MASK, _EBI_CTRL_NOIDLE1_SHIFT, _EBI_CTRL_NOIDLE2_MASK, _EBI_CTRL_NOIDLE2_SHIFT, _EBI_CTRL_NOIDLE3_MASK, _EBI_CTRL_NOIDLE3_SHIFT, _EBI_CTRL_NOIDLE_MASK, _EBI_CTRL_NOIDLE_SHIFT, _EBI_ROUTE_LOCATION_MASK, EBI_Init_TypeDef::addrHalfALE, EBI_Init_TypeDef::addrHoldCycles, EBI_Init_TypeDef::addrSetupCycles, EBI_Init_TypeDef::aHigh, EBI_Init_TypeDef::alePolarity, EBI_Init_TypeDef::aLow, EBI_Init_TypeDef::ardyDisableTimeout, EBI_Init_TypeDef::ardyEnable, EBI_Init_TypeDef::ardyPolarity, EBI_Init_TypeDef::banks, EBI_Init_TypeDef::blEnable, EBI_Init_TypeDef::blPolarity, EBI_Init_TypeDef::csLines, EBI_Init_TypeDef::csPolarity, EBI, EBI_AddressTimingSet(), EBI_BANK0, EBI_BANK1, EBI_BANK2, EBI_BANK3, EBI_BankAddressTimingConfig(), EBI_BankAddressTimingSet(), EBI_BankPolaritySet(), EBI_BankReadTimingConfig(), EBI_BankReadTimingSet(), EBI_BankWriteTimingConfig(), EBI_BankWriteTimingSet(), EBI_ChipSelectEnable(), EBI_CTRL_BANK0EN, EBI_CTRL_BANK1EN, EBI_CTRL_BANK2EN, EBI_CTRL_BANK3EN, EBI_CTRL_ITS, EBI_PolaritySet(), EBI_ReadTimingSet(), EBI_WriteTimingSet(), ebiLineALE, ebiLineARDY, ebiLineBL, ebiLineCS, ebiLineRE, ebiLineWE, ebiModeD16, ebiModeD16A16ALE, ebiModeD8A24ALE, ebiModeD8A8, EBI_Init_TypeDef::enable, EBI_Init_TypeDef::location, EBI_Init_TypeDef::mode, EBI_Init_TypeDef::noIdle, EBI_Init_TypeDef::readHalfRE, EBI_Init_TypeDef::readHoldCycles, EBI_Init_TypeDef::readPageMode, EBI_Init_TypeDef::readPrefetch, EBI_Init_TypeDef::readSetupCycles, EBI_Init_TypeDef::readStrobeCycles, EBI_Init_TypeDef::rePolarity, EBI_Init_TypeDef::wePolarity, EBI_Init_TypeDef::writeBufferDisable, EBI_Init_TypeDef::writeHalfWE, EBI_Init_TypeDef::writeHoldCycles, EBI_Init_TypeDef::writeSetupCycles, and EBI_Init_TypeDef::writeStrobeCycles.

Referenced by BSP_EbiInit(), BSP_initEbiFlash(), and BSP_initEbiSram().

__STATIC_INLINE void EBI_IntClear ( uint32_t  flags)

Clear one or more pending EBI interrupts.

Parameters
[in]flagsPending EBI interrupt source to clear. Use a logical OR combination of valid interrupt flags for the EBI module (EBI_IF_nnn).

Definition at line 888 of file em_ebi.h.

References EBI.

__STATIC_INLINE void EBI_IntDisable ( uint32_t  flags)

Disable one or more EBI interrupts.

Parameters
[in]flagsEBI interrupt sources to disable. Use logical OR combination of valid interrupt flags for the EBI module (EBI_IF_nnn)

Definition at line 914 of file em_ebi.h.

References EBI.

__STATIC_INLINE void EBI_IntEnable ( uint32_t  flags)

Enable one or more EBI interrupts.

Parameters
[in]flagsEBI interrupt sources to enable. Use logical OR combination of valid interrupt flags for the EBI module (EBI_IF_nnn)

Definition at line 927 of file em_ebi.h.

References EBI.

__STATIC_INLINE uint32_t EBI_IntGet ( void  )

Get pending EBI interrupt flags.

Note
Event bits are not cleared by the use of this function.
Returns
EBI interrupt sources pending, a logical combination of valid EBI interrupt flags, EBI_IF_nnn.

Definition at line 943 of file em_ebi.h.

References EBI.

__STATIC_INLINE uint32_t EBI_IntGetEnabled ( void  )

Get enabled and pending EBI interrupt flags. Useful for handling more interrupt sources in the same interrupt handler.

Note
Interrupt flags are not cleared by the use of this function.
Returns
Pending and enabled EBI interrupt sources. The return value is the bitwise AND of
  • the enabled interrupt sources in EBI_IEN and
  • the pending interrupt flags EBI_IF.

Definition at line 962 of file em_ebi.h.

References EBI.

__STATIC_INLINE void EBI_IntSet ( uint32_t  flags)

Set one or more pending EBI interrupts.

Parameters
[in]flagsEBI interrupt sources to set to pending. Use a logical OR combination of valid interrupt flags for the EBI module (EBI_IF_nnn).

Definition at line 901 of file em_ebi.h.

References EBI.

void EBI_NANDFlashEnable ( uint32_t  banks,
bool  enable 
)

Enable or disable EBI NAND Flash Support.

Parameters
[in]banksBanks to reconfigure, mask of EBI_BANK<n> flags.
[in]enableTrue to enable, false to disable.

Definition at line 416 of file em_ebi.c.

References _EBI_NANDCTRL_BANKSEL_BANK0, _EBI_NANDCTRL_BANKSEL_BANK1, _EBI_NANDCTRL_BANKSEL_BANK2, _EBI_NANDCTRL_BANKSEL_BANK3, _EBI_NANDCTRL_BANKSEL_SHIFT, _EBI_NANDCTRL_EN_SHIFT, BUS_RegBitWrite(), EBI, EBI_BANK0, EBI_BANK1, EBI_BANK2, and EBI_BANK3.

void EBI_ReadTimingSet ( uint32_t  setupCycles,
uint32_t  strobeCycles,
uint32_t  holdCycles 
)

Configure timing values of read bus accesses.

Parameters
[in]setupCyclesA number of clock cycles for the address setup before REn is asserted.
[in]strobeCyclesThe number of cycles the REn is held active. After the specified number of cycles, data is read. If set to 0, 1 cycle is inserted by hardware.
[in]holdCyclesThe number of cycles CSn is held active after the REn is deasserted.

Definition at line 530 of file em_ebi.c.

References _EBI_RDTIMING_RDHOLD_MASK, _EBI_RDTIMING_RDHOLD_SHIFT, _EBI_RDTIMING_RDSETUP_MASK, _EBI_RDTIMING_RDSETUP_SHIFT, _EBI_RDTIMING_RDSTRB_MASK, _EBI_RDTIMING_RDSTRB_SHIFT, and EBI.

Referenced by EBI_Init().

__STATIC_INLINE uint32_t EBI_StopNandEccGen ( void  )

Stop NAND flash ECC generator and return generated ECC.

Returns
The generated ECC.

Definition at line 988 of file em_ebi.h.

References EBI, and EBI_CMD_ECCSTOP.

Referenced by NANDFLASH_ReadPage(), and NANDFLASH_WritePage().

__STATIC_INLINE void EBI_TFTAlphaBlendSet ( uint8_t  alpha)

Set TFT Alpha Blending Factor.

Parameters
[in]alpha8-bit value indicating blending factor.

Definition at line 814 of file em_ebi.h.

References EBI.

__STATIC_INLINE void EBI_TFTColorSrcSet ( EBI_TFTColorSrc_TypeDef  colorSrc)

Masking and Blending Color1 Source Set.

Parameters
[in]colorSrcColor1 source.

Definition at line 803 of file em_ebi.h.

References _EBI_TFTCTRL_COLOR1SRC_MASK, and EBI.

__STATIC_INLINE void EBI_TFTDDSet ( uint32_t  color)

Set TFT Direct Drive Data from Internal Memory.

Parameters
[in]colorColor of pixel

Definition at line 765 of file em_ebi.h.

References _EBI_TFTDD_MASK, and EBI.

__STATIC_INLINE void EBI_TFTEnable ( EBI_TFTDDMode_TypeDef  mode)

Enable or disable TFT Direct Drive.

Parameters
[in]modeDrive from Internal or External memory, or Disable Direct Drive.

Definition at line 722 of file em_ebi.h.

References _EBI_TFTCTRL_DD_MASK, and EBI.

__STATIC_INLINE void EBI_TFTFBTriggerSet ( EBI_TFTFrameBufTrigger_TypeDef  sync)

Set Frame Buffer Trigger.

Frame buffer pointer will be updated either on each horizontal line (hsync) or vertical update (vsync).

Parameters
[in]syncTrigger update of frame buffer pointer on vertical or horizontal sync.

Definition at line 859 of file em_ebi.h.

References _EBI_TFTCTRL_FBCTRIG_MASK, and EBI.

__STATIC_INLINE void EBI_TFTFrameBaseSet ( uint32_t  address)

Configure frame buffer pointer.

Parameters
[in]addressFrame pointer address, as offset by EBI base address.

Definition at line 734 of file em_ebi.h.

References EBI.

Referenced by EBI_TFTInit().

__STATIC_INLINE uint32_t EBI_TFTHCount ( void  )

Get current horizontal position counter.

Returns
Returns the current horizontal pixel position within a visible line.

Definition at line 844 of file em_ebi.h.

References _EBI_TFTSTATUS_HCNT_MASK, _EBI_TFTSTATUS_HCNT_SHIFT, and EBI.

void EBI_TFTHPorchSet ( uint32_t  front,
uint32_t  back,
uint32_t  pulseWidth 
)

Configure and initialize Horizontal Porch Settings.

Parameters
[in]frontHorizontal front porch size in pixels.
[in]backHorizontal back porch size in pixels.
[in]pulseWidthHorizontal synchronization pulse width. Set to required -1.

Definition at line 700 of file em_ebi.c.

References _EBI_TFTHPORCH_HBPORCH_SHIFT, _EBI_TFTHPORCH_HFPORCH_SHIFT, _EBI_TFTHPORCH_HSYNC_MASK, _EBI_TFTHPORCH_HSYNC_SHIFT, and EBI.

Referenced by EBI_TFTInit().

__STATIC_INLINE void EBI_TFTHStrideSet ( uint32_t  nbytes)

Set horizontal TFT stride value in number of bytes.

Parameters
[in]nbytesNumber of bytes to add to frame buffer pointer after each horizontal line update.

Definition at line 871 of file em_ebi.h.

References _EBI_TFTSTRIDE_HSTRIDE_MASK, _EBI_TFTSTRIDE_HSTRIDE_SHIFT, and EBI.

__STATIC_INLINE void EBI_TFTMaskBlendMode ( EBI_TFTMaskBlend_TypeDef  maskBlend)

Masking and Blending Mode Set.

Parameters
[in]maskBlendMasking and alpha blending mode.

Definition at line 792 of file em_ebi.h.

References _EBI_TFTCTRL_MASKBLEND_MASK, and EBI.

__STATIC_INLINE void EBI_TFTMaskSet ( uint32_t  mask)

Set TFT mask value. Data accesses that matches this value are suppressed.

Parameters
[in]mask

Definition at line 824 of file em_ebi.h.

References EBI.

__STATIC_INLINE void EBI_TFTPixelSet ( int  pixel,
uint32_t  color 
)

Set TFT Pixel Color 0 or 1.

Parameters
[in]pixelWhich pixel instance to set.
[in]colorColor of pixel, 16-bit value.

Definition at line 747 of file em_ebi.h.

References EBI.

void EBI_TFTSizeSet ( uint32_t  horizontal,
uint32_t  vertical 
)

Configure and initialize TFT size settings.

Parameters
[in]horizontalTFT display horizontal size in pixels.
[in]verticalTFT display vertical size in pixels.

Definition at line 680 of file em_ebi.c.

References _EBI_TFTSIZE_HSZ_MASK, _EBI_TFTSIZE_HSZ_SHIFT, _EBI_TFTSIZE_VSZ_MASK, _EBI_TFTSIZE_VSZ_SHIFT, and EBI.

Referenced by EBI_TFTInit().

void EBI_TFTTimingSet ( uint32_t  dclkPeriod,
uint32_t  start,
uint32_t  setup,
uint32_t  hold 
)

Configure TFT Direct Drive Timing Settings.

Parameters
[in]dclkPeriodDCLK period in internal cycles.
[in]startA starting position of the external direct drive, relative to the DCLK inactive edge.
[in]setupA number of cycles that RGB data is driven before the active edge of DCLK.
[in]holdA number of cycles that RGB data is held after the active edge of DCLK.

Definition at line 749 of file em_ebi.c.

References _EBI_TFTTIMING_DCLKPERIOD_SHIFT, _EBI_TFTTIMING_TFTHOLD_SHIFT, _EBI_TFTTIMING_TFTSETUP_SHIFT, _EBI_TFTTIMING_TFTSTART_SHIFT, and EBI.

Referenced by EBI_TFTInit().

__STATIC_INLINE uint32_t EBI_TFTVCount ( void  )

Get current vertical position counter.

Returns
Returns the current line position for the visible part of a frame.

Definition at line 834 of file em_ebi.h.

References _EBI_TFTSTATUS_VCNT_MASK, _EBI_TFTSTATUS_VCNT_SHIFT, and EBI.

void EBI_TFTVPorchSet ( uint32_t  front,
uint32_t  back,
uint32_t  pulseWidth 
)

Configure Vertical Porch Settings.

Parameters
[in]frontVertical front porch size in pixels.
[in]backVertical back porch size in pixels.
[in]pulseWidthVertical synchronization pulse width. Set to required -1.

Definition at line 722 of file em_ebi.c.

References _EBI_TFTVPORCH_VBPORCH_SHIFT, _EBI_TFTVPORCH_VFPORCH_SHIFT, _EBI_TFTVPORCH_VSYNC_MASK, _EBI_TFTVPORCH_VSYNC_SHIFT, and EBI.

Referenced by EBI_TFTInit().

void EBI_WriteTimingSet ( uint32_t  setupCycles,
uint32_t  strobeCycles,
uint32_t  holdCycles 
)

Configure timing values of write bus accesses.

Parameters
[in]setupCyclesA number of clock cycles for the address setup before WEn is asserted.
[in]strobeCyclesA number of cycles WEn is held active. If set to 0, 1 cycle is inserted by hardware.
[in]holdCyclesA number of cycles CSn is held active after the WEn is deasserted.

Definition at line 564 of file em_ebi.c.

References _EBI_WRTIMING_WRHOLD_MASK, _EBI_WRTIMING_WRHOLD_SHIFT, _EBI_WRTIMING_WRSETUP_MASK, _EBI_WRTIMING_WRSETUP_SHIFT, _EBI_WRTIMING_WRSTRB_MASK, _EBI_WRTIMING_WRSTRB_SHIFT, and EBI.

Referenced by EBI_Init().