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 (int setupCycles, int holdCycles)
Configure timing values of address latch bus accesses.
void EBI_AltMapEnable (bool enable)
Configure Alternate Address Map support Enables or disables 256MB address range for all banks.
uint32_t EBI_BankAddress (uint32_t bank)
Return base address of EBI bank.
void EBI_BankAddressTimingConfig (uint32_t banks, bool halfALE)
Configure address operation parameters for selected bank.
void EBI_BankAddressTimingSet (uint32_t banks, int setupCycles, int 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 selected bank.
void EBI_BankReadTimingSet (uint32_t banks, int setupCycles, int strobeCycles, int holdCycles)
Configure timing values of read bus accesses.
void EBI_BankWriteTimingConfig (uint32_t banks, bool writeBufDisable, bool halfWE)
Configure write operation parameters for selected bank.
void EBI_BankWriteTimingSet (uint32_t banks, int setupCycles, int strobeCycles, int 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 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_PolaritySet ( EBI_Line_TypeDef line, EBI_Polarity_TypeDef polarity)
Configure EBI pin polarity.
void EBI_ReadTimingSet (int setupCycles, int strobeCycles, int 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_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 (int front, int back, int 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 (int dclkPeriod, int start, int setup, int hold)
Configure TFT Direct Drive Timing Settings.
__STATIC_INLINE uint32_t EBI_TFTVCount (void)
Get current vertical position counter.
void EBI_TFTVPorchSet (int front, int back, int pulseWidth)
Configure Vertical Porch Settings.
void EBI_WriteTimingSet (int setupCycles, int strobeCycles, int 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() , and EBI_Init() .

#define EBI_BANK1   (uint32_t)(1 << 2)

EBI address bank 1

Definition at line 76 of file em_ebi.h .

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

#define EBI_BANK2   (uint32_t)(1 << 3)

EBI address bank 2

Definition at line 77 of file em_ebi.h .

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

#define EBI_BANK3   (uint32_t)(1 << 4)

EBI address bank 3

Definition at line 78 of file em_ebi.h .

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

#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 config for EBI init structures

Definition at line 491 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 init structure

Definition at line 609 of file em_ebi.h .

Enumeration Type Documentation

enum EBI_AHigh_TypeDef

Adress 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 .

enum EBI_ALow_TypeDef

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

Enumerator
ebiALowA0

Adress lines EBI_A[0] and upwards are enabled by APEN

ebiALowA8

Adress lines EBI_A[8] and upwards are enabled by APEN

ebiALowA16

Adress lines EBI_A[16] and upwards are enabled by APEN

ebiALowA24

Adress lines EBI_A[24] and upwards are enabled by APEN

Definition at line 205 of file em_ebi.h .

enum EBI_Line_TypeDef

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 .

enum EBI_Location_TypeDef

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 .

enum EBI_Mode_TypeDef

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 .

enum EBI_Polarity_TypeDef

EBI Polarity configuration

Enumerator
ebiActiveLow

Active Low

ebiActiveHigh

Active High

Definition at line 166 of file em_ebi.h .

enum EBI_TFTBank_TypeDef

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 .

enum EBI_TFTColorSrc_TypeDef

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 299 of file em_ebi.h .

enum EBI_TFTDDMode_TypeDef

TFT Direct Drive mode

Enumerator
ebiTFTDDModeDisabled

Disabled

ebiTFTDDModeInternal

Direct Drive from internal memory

ebiTFTDDModeExternal

Direct Drive from external memory

Definition at line 356 of file em_ebi.h .

enum EBI_TFTFrameBufTrigger_TypeDef

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 317 of file em_ebi.h .

enum EBI_TFTInterleave_TypeDef

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 307 of file em_ebi.h .

enum EBI_TFTMaskBlend_TypeDef

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 325 of file em_ebi.h .

enum EBI_TFTWidth_TypeDef

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 366 of file em_ebi.h .

Function Documentation

void EBI_AddressTimingSet ( int setupCycles,
int holdCycles
)

Configure timing values of address latch bus accesses.

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

Definition at line 566 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 Alternate Address Map support Enables or disables 256MB address range for all banks.

Parameters
[in] enable Set or clear address map extension

Definition at line 1148 of file em_ebi.c .

References _EBI_CTRL_ALTMAP_SHIFT , BUS_RegBitWrite() , and EBI .

uint32_t EBI_BankAddress ( uint32_t bank )

Return base address of EBI bank.

Parameters
[in] bank Bank to return start address for
Returns
Absolute address of bank

Definition at line 361 of file em_ebi.c .

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

Referenced by TFT_DirectInit() .

void EBI_BankAddressTimingConfig ( uint32_t banks,
bool halfALE
)

Configure address operation parameters for selected bank.

Parameters
[in] banks Mask of memory bank(s) to configure write timing for
[in] halfALE Enables or disables half cycle ALE strobe in last strobe cycle

Definition at line 952 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,
int setupCycles,
int holdCycles
)

Configure timing values of address latch bus accesses.

Parameters
[in] banks Mask of memory bank(s) to configure address timing for
[in] setupCycles Sets the number of cycles the address is held after ALE is asserted
[in] holdCycles Sets the number of cycles the address is driven onto the ADDRDAT bus before ALE is asserted. If set 0, 1 cycle is inserted by HW

Definition at line 985 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] banks Mask of memory bank(s) to configure polarity for
[in] enable Flag

Definition at line 1120 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] banks Banks to reconfigure, mask of EBI_BANK<n> flags
[in] enable True to enable, false to disable

Definition at line 335 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] banks Mask of memory bank(s) to configure polarity for
[in] line Which pin/line to configure
[in] polarity Active high, or active low

Definition at line 1040 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 selected bank.

Parameters
[in] banks Mask of memory bank(s) to configure write timing for
[in] pageMode Enables or disables half cycle WE strobe in last strobe cycle
[in] prefetch Enables or disables half cycle WE strobe in last strobe cycle
[in] halfRE Enables or disables half cycle WE strobe in last strobe cycle

Definition at line 750 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,
int setupCycles,
int strobeCycles,
int holdCycles
)

Configure timing values of read bus accesses.

Parameters
[in] banks Mask of memory bank(s) to configure timing for
[in] setupCycles Number of clock cycles for address setup before REn is asserted
[in] strobeCycles The 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 HW
[in] holdCycles The number of cycles CSn is held active after the REn is dessarted

Definition at line 795 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 selected bank.

Parameters
[in] banks Mask of memory bank(s) to configure write timing for
[in] writeBufDisable If true, disable the write buffer
[in] halfWE Enables or disables half cycle WE strobe in last strobe cycle

Definition at line 855 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,
int setupCycles,
int strobeCycles,
int holdCycles
)

Configure timing values of write bus accesses.

Parameters
[in] banks Mask of memory bank(s) to configure write timing for
[in] setupCycles Number of clock cycles for address setup before WEn is asserted
[in] strobeCycles Number of cycles WEn is held active. If set to 0, 1 cycle is inserted by HW
[in] holdCycles Number of cycles CSn is held active after the WEn is deasserted

Definition at line 895 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] cs ChipSelect lines to reconfigure, mask of EBI_CS<n> flags
[in] enable True to enable, false to disable

Definition at line 414 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 External Bus Interface.

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

Definition at line 113 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() .

__STATIC_INLINE void EBI_IntClear ( uint32_t flags )

Clear one or more pending EBI interrupts.

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

Definition at line 809 of file em_ebi.h .

References EBI .

__STATIC_INLINE void EBI_IntDisable ( uint32_t flags )

Disable one or more EBI interrupts.

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

Definition at line 835 of file em_ebi.h .

References EBI .

__STATIC_INLINE void EBI_IntEnable ( uint32_t flags )

Enable one or more EBI interrupts.

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

Definition at line 848 of file em_ebi.h .

References EBI .

__STATIC_INLINE uint32_t EBI_IntGet ( void )

Get pending EBI interrupt flags.

Note
The 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 864 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 883 of file em_ebi.h .

References EBI .

__STATIC_INLINE void EBI_IntSet ( uint32_t flags )

Set one or more pending EBI interrupts.

Parameters
[in] flags EBI 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 822 of file em_ebi.h .

References EBI .

void EBI_PolaritySet ( EBI_Line_TypeDef line,
EBI_Polarity_TypeDef polarity
)

Configure EBI pin polarity.

Parameters
[in] line Which pin/line to configure
[in] polarity Active high, or active low

Definition at line 440 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 , ebiLineALE , ebiLineARDY , ebiLineBL , ebiLineCS , ebiLineRE , ebiLineTFTCS , ebiLineTFTDataEn , ebiLineTFTDClk , ebiLineTFTHSync , ebiLineTFTVSync , and ebiLineWE .

Referenced by EBI_Init() , and EBI_TFTInit() .

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

Configure timing values of read bus accesses.

Parameters
[in] setupCycles Number of clock cycles for address setup before REn is asserted
[in] strobeCycles The 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 HW
[in] holdCycles The number of cycles CSn is held active after the REn is dessarted

Definition at line 500 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 909 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] alpha 8-bit value indicating blending factor

Definition at line 735 of file em_ebi.h .

References EBI .

__STATIC_INLINE void EBI_TFTEnable ( EBI_TFTDDMode_TypeDef mode )

Enable or disable TFT Direct Drive.

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

Definition at line 681 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] sync Trigger update of frame buffer pointer on vertical or horisontal sync.

Definition at line 780 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] address Frame pointer address, as offset by EBI base address

Definition at line 693 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 765 of file em_ebi.h .

References _EBI_TFTSTATUS_HCNT_MASK , _EBI_TFTSTATUS_HCNT_SHIFT , and EBI .

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

Configure and initialize Horizontal Porch Settings.

Parameters
[in] front Horizontal front porch size in pixels
[in] back Horizontal back porch size in pixels
[in] pulseWidth Horizontal synchronization pulse width. Set to required -1.

Definition at line 670 of file em_ebi.c .

References _EBI_TFTHPORCH_HBPORCH_SHIFT , _EBI_TFTHPORCH_HFPORCH_SHIFT , _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] nbytes Number of bytes to add to frame buffer pointer after each horizontal line update

Definition at line 792 of file em_ebi.h .

References _EBI_TFTSTRIDE_HSTRIDE_MASK , _EBI_TFTSTRIDE_HSTRIDE_SHIFT , and EBI .

void EBI_TFTInit ( const EBI_TFTInit_TypeDef * ebiTFTInit )

Configure and initialize TFT Direct Drive.

Parameters
[in] ebiTFTInit TFT Initialization structure

Definition at line 592 of file em_ebi.c .

References _EBI_TFTCTRL_SHIFTDCLKEN_SHIFT , EBI_TFTInit_TypeDef::addressOffset , EBI_TFTInit_TypeDef::bank , EBI_TFTInit_TypeDef::colSrc , EBI_TFTInit_TypeDef::csPolarity , EBI_TFTInit_TypeDef::dataenPolarity , EBI_TFTInit_TypeDef::dclkPeriod , EBI_TFTInit_TypeDef::dclkPolarity , EBI_TFTInit_TypeDef::driveMode , EBI , EBI_PolaritySet() , EBI_TFTFrameBaseSet() , EBI_TFTHPorchSet() , EBI_TFTSizeSet() , EBI_TFTTimingSet() , EBI_TFTVPorchSet() , ebiLineTFTCS , ebiLineTFTDataEn , ebiLineTFTDClk , ebiLineTFTHSync , ebiLineTFTVSync , ebiTFTDDModeDisabled , EBI_TFTInit_TypeDef::fbTrigger , EBI_TFTInit_TypeDef::holdCycles , EBI_TFTInit_TypeDef::hPorchBack , EBI_TFTInit_TypeDef::hPorchFront , EBI_TFTInit_TypeDef::hPulseWidth , EBI_TFTInit_TypeDef::hsize , EBI_TFTInit_TypeDef::hsyncPolarity , EBI_TFTInit_TypeDef::interleave , EBI_TFTInit_TypeDef::maskBlend , EBI_TFTInit_TypeDef::setupCycles , EBI_TFTInit_TypeDef::shiftDClk , EBI_TFTInit_TypeDef::startPosition , EBI_TFTInit_TypeDef::vPorchBack , EBI_TFTInit_TypeDef::vPorchFront , EBI_TFTInit_TypeDef::vPulseWidth , EBI_TFTInit_TypeDef::vsize , EBI_TFTInit_TypeDef::vsyncPolarity , and EBI_TFTInit_TypeDef::width .

Referenced by TFT_DirectInit() .

__STATIC_INLINE void EBI_TFTMaskBlendMode ( EBI_TFTMaskBlend_TypeDef maskBlend )

Masking and Blending Mode Set.

Parameters
[in] maskBlend Masking and alpha blending mode

Definition at line 724 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 745 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] pixel Which pixel instance to set
[in] color Color of pixel, 16-bit value

Definition at line 706 of file em_ebi.h .

References EBI .

void EBI_TFTSizeSet ( uint32_t horizontal,
uint32_t vertical
)

Configure and initialize TFT size settings.

Parameters
[in] horizontal TFT display horizontal size in pixels
[in] vertical TFT display vertical size in pixels

Definition at line 650 of file em_ebi.c .

References _EBI_TFTSIZE_HSZ_SHIFT , _EBI_TFTSIZE_VSZ_SHIFT , and EBI .

Referenced by EBI_TFTInit() .

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

Configure TFT Direct Drive Timing Settings.

Parameters
[in] dclkPeriod DCLK period in internal cycles
[in] start Starting position of external direct drive, relative to DCLK inactive edge
[in] setup Number of cycles RGB data is driven before active edge of DCLK
[in] hold Number of cycles RGB data is held after active edge of DCLK

Definition at line 719 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 755 of file em_ebi.h .

References _EBI_TFTSTATUS_VCNT_MASK , _EBI_TFTSTATUS_VCNT_SHIFT , and EBI .

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

Configure Vertical Porch Settings.

Parameters
[in] front Vertical front porch size in pixels
[in] back Vertical back porch size in pixels
[in] pulseWidth Vertical synchronization pulse width. Set to required -1.

Definition at line 692 of file em_ebi.c .

References _EBI_TFTVPORCH_VBPORCH_SHIFT , _EBI_TFTVPORCH_VFPORCH_SHIFT , _EBI_TFTVPORCH_VSYNC_SHIFT , and EBI .

Referenced by EBI_TFTInit() .

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

Configure timing values of write bus accesses.

Parameters
[in] setupCycles Number of clock cycles for address setup before WEn is asserted
[in] strobeCycles Number of cycles WEn is held active. If set to 0, 1 cycle is inserted by HW
[in] holdCycles Number of cycles CSn is held active after the WEn is deasserted

Definition at line 534 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() .