Description

Liquid Crystal Display (LCD) Peripheral API.

This module contains functions to control the LDC peripheral of Silicon Labs 32-bit MCUs and SoCs. The LCD driver can drive up to 8x36 segmented LCD directly. The animation feature makes it possible to have active animations without the CPU intervention.

Data Structures
struct	LCD_AnimInit_TypeDef
	LCD Animation Configuration.

struct	LCD_FrameCountInit_TypeDef
	LCD Frame Control Initialization.

struct	LCD_Init_TypeDef
	LCD Controller Initialization structure.

Functions
void	LCD_Init (const LCD_Init_TypeDef *lcdInit)
	Initialize the Liquid Crystal Display (LCD) controller.

void	LCD_UpdateCtrl ( LCD_UpdateCtrl_TypeDef ud)
	Configure Update Control.

void	LCD_FrameCountInit (const LCD_FrameCountInit_TypeDef *fcInit)
	Initialize the LCD Frame Counter.

void	LCD_AnimInit (const LCD_AnimInit_TypeDef *animInit)
	Configure the LCD controller Animation feature.

void	LCD_SegmentEnable (uint32_t seg_nbr, bool enable)
	Enables a given LCD segment line.

void	LCD_ComEnable (uint8_t com, bool enable)
	Enables a given LCD COM line.

void	LCD_DmaModeSet ( LCD_DmaMode_Typedef mode)
	Set a given DMA mode operation.

void	LCD_SegmentSet (int com, int bit, bool enable)
	Turn on or clear a segment.

void	LCD_SegmentSetLow (int com, uint32_t mask, uint32_t bits)
	Update 0-31 lowest segments on a given COM-line in one operation according to the bit mask.

void	LCD_ContrastSet (int level)
	Configure the contrast level on the LCD panel.

void	LCD_BiasSet ( LCD_Bias_TypeDef bias)
	Configure the bias level on the LCD panel.

void	LCD_BiasSegmentSet (int segmentLine, int biasLevel)
	Configure the bias level for a specific segment line for Direct Segment Control.

void	LCD_BiasComSet (int comLine, int biasLevel)
	Configure the bias level for a specific segment line.

void	LCD_ModeSet ( LCD_Mode_Typedef mode)
	Configure the mode for the LCD panel.

void	LCD_ChargeRedistributionCyclesSet (uint8_t cycles)
	Configure the charge redistribution cycles for the LCD panel.

void	LCD_LoadBusyWait (void)
	Wait for load synchronization completion.

void	LCD_ReadyWait (void)
	Wait for the LCD to complete resetting or disabling procedure.

void	LCD_Enable (bool enable)
	Enable or disable LCD controller.

void	LCD_Reset (void)
	Reset the LCD.

void	LCD_AnimEnable (bool enable)
	Enable or disable LCD Animation feature.

void	LCD_BlinkEnable (bool enable)
	Enable or disable the LCD blink.

void	LCD_BlankEnable (bool enable)
	Disable all segments while keeping segment state.

void	LCD_FrameCountEnable (bool enable)
	Enable or disable LCD Frame counter.

void	LCD_DisplayCountEnable (bool enable)
	Enable or disable the LCD Display counter.

int	LCD_AnimState (void)
	Return the current animation state.

int	LCD_BlinkState (void)
	Return the current blink state.

void	LCD_SyncStart (bool autoload, LCD_LoadAddr_TypeDef load_addr)
	Start the synchronization process.

void	LCD_SyncStop (bool autoload)
	Stop the synchronization process.

uint32_t	LCD_IntGet (void)
	Get pending LCD interrupt flags.

uint32_t	LCD_IntGetEnabled (void)
	Get enabled and pending LCD interrupt flags.

void	LCD_IntSet (uint32_t flags)
	Set one or more pending LCD interrupts from SW.

void	LCD_IntEnable (uint32_t flags)
	Enable LCD interrupts.

void	LCD_IntDisable (uint32_t flags)
	Disable LCD interrupts.

void	LCD_IntClear (uint32_t flags)
	Clear one or more interrupt flags.

void	LCD_DSCEnable (bool enable)
	Enable or disable LCD Direct Segment Control.

Macros
#define	LCD_FRAME_COUNTER_VAL_MAX 64
	Frame counter uses a maximum of 5 bits (FCTOP[5:0]).

#define	LCD_DEFAULT_CLOCK_PRESCALER 64
	Default Clock Prescaler.

#define	LCD_DEFAULT_FRAME_RATE_DIV 4
	Default LCD Frame Rate Divisor.

#define	LCD_DEFAULT_CONTRAST 15
	Default LCD Contrast.

#define	LCD_COM_LINES_MAX 4
	Maximum common lines of LCD.

#define	LCD_SEGMENT_LINES_MAX 20
	Maximum segment lines of LCD.

#define	LCD_INIT_DEFAULT
	Default configuration for LCD initialization structure, enables 160 segments.

Enumerations
enum	LCD_Mux_TypeDef { lcdMuxStatic = LCD_DISPCTRL_MUX_STATIC, lcdMuxDuplex = LCD_DISPCTRL_MUX_DUPLEX, lcdMuxTriplex = LCD_DISPCTRL_MUX_TRIPLEX, lcdMuxQuadruplex = LCD_DISPCTRL_MUX_QUADRUPLEX }
	MUX setting.

enum	LCD_Wave_TypeDef { lcdWaveLowPower = LCD_DISPCTRL_WAVE_TYPEB, lcdWaveNormal = LCD_DISPCTRL_WAVE_TYPEA }
	Wave type.

enum	LCD_Bias_TypeDef { lcdBiasStatic = LCD_DISPCTRL_BIAS_STATIC, lcdBiasOneHalf = LCD_DISPCTRL_BIAS_ONEHALF, lcdBiasOneThird = LCD_DISPCTRL_BIAS_ONETHIRD, lcdBiasOneFourth = LCD_DISPCTRL_BIAS_ONEFOURTH }
	Bias setting.

enum	LCD_Mode_Typedef { lcdModeStepDown = LCD_BIASCTRL_MODE_STEPDOWN, lcdModeChargePump = LCD_BIASCTRL_MODE_CHARGEPUMP }
	Contrast Configuration.

enum	LCD_FCPreScale_TypeDef { lcdFCPrescDiv1 = LCD_BACFG_FCPRESC_DIV1, lcdFCPrescDiv2 = LCD_BACFG_FCPRESC_DIV2, lcdFCPrescDiv4 = LCD_BACFG_FCPRESC_DIV4, lcdFCPrescDiv8 = LCD_BACFG_FCPRESC_DIV8 }
	Frame Counter Clock Prescaler, FC-CLK = FrameRate (Hz) / this factor.

enum	LCD_UpdateCtrl_TypeDef { lcdUpdateCtrlRegular = LCD_CTRL_UDCTRL_REGULAR, lcdUpdateCtrlFCEvent = LCD_CTRL_UDCTRL_FCEVENT, lcdUpdateCtrlFrameStart = LCD_CTRL_UDCTRL_FRAMESTART, lcdUpdateCtrlDisplayEvent = LCD_CTRL_UDCTRL_DISPLAYEVENT }
	Update Data Control.

enum	LCD_LoadAddr_TypeDef { lcdLoadAddrNone = 0, lcdLoadAddrBactrl = LCD_UPDATECTRL_LOADADDR_BACTRLWR, lcdLoadAddrAregA = LCD_UPDATECTRL_LOADADDR_AREGAWR, lcdLoadAddrAregB = LCD_UPDATECTRL_LOADADDR_AREGBWR, lcdLoadAddrSegd0 = LCD_UPDATECTRL_LOADADDR_SEGD0WR, lcdLoadAddrSegd1 = LCD_UPDATECTRL_LOADADDR_SEGD1WR, lcdLoadAddrSegd2 = LCD_UPDATECTRL_LOADADDR_SEGD2WR, lcdLoadAddrSegd3 = LCD_UPDATECTRL_LOADADDR_SEGD3WR }
	Auto Load address which will start the synchronization from CLK_BUS to CLK_PER.

enum	LCD_AnimShift_TypeDef { lcdAnimShiftNone = _LCD_BACTRL_AREGASC_NOSHIFT, lcdAnimShiftLeft = _LCD_BACTRL_AREGASC_SHIFTLEFT, lcdAnimShiftRight = _LCD_BACTRL_AREGASC_SHIFTRIGHT }
	Animation Shift operation; none, left or right.

enum	LCD_AnimLogic_TypeDef { lcdAnimLogicAnd = LCD_BACTRL_ALOGSEL_AND, lcdAnimLogicOr = LCD_BACTRL_ALOGSEL_OR }
	Animation Logic Control, how AReg and BReg should be combined.

enum	LCD_AnimLoc_TypeDef { lcdAnimLocSeg0To7 = LCD_BACTRL_ALOC_SEG0TO7, lcdAnimLocSeg8To15 = LCD_BACTRL_ALOC_SEG8TO15 }
	Animation Location, set the LCD segments which animation applies to.

enum	LCD_ChargeRedistribution_TypeDef { lcdChargeRedistributionDisable = LCD_DISPCTRL_CHGRDST_DISABLE, lcdChargeRedistributionEnable = LCD_DISPCTRL_CHGRDST_ONE, lcdChargeRedistributionTwoCycle = LCD_DISPCTRL_CHGRDST_TWO, lcdChargeRedistributionThreeCycle = LCD_DISPCTRL_CHGRDST_THREE, lcdChargeRedistributionFourCycle = LCD_DISPCTRL_CHGRDST_FOUR }
	Charge redistribution control.

enum	LCD_DmaMode_Typedef { lcdDmaModeDisable = LCD_BIASCTRL_DMAMODE_DMADISABLE, lcdDmaModeFrameCounterEvent = LCD_BIASCTRL_DMAMODE_DMAFC, lcdDmaModeDisplayEvent = LCD_BIASCTRL_DMAMODE_DMADISPLAY }
	DMA mode of operation.

Function Documentation

◆ LCD_Init()

void LCD_Init ( const LCD_Init_TypeDef * lcdInit )

Initialize the Liquid Crystal Display (LCD) controller.

Configures the LCD controller. You must enable it afterwards, potentially configuring Frame Control and interrupts first according to requirements.

Parameters

[in] lcdInit A pointer to the initialization structure which configures the LCD controller.

◆ LCD_UpdateCtrl()

void LCD_UpdateCtrl ( LCD_UpdateCtrl_TypeDef ud )

Configure Update Control.

Parameters

[in] ud Configures the LCD update method.

◆ LCD_FrameCountInit()

void LCD_FrameCountInit ( const LCD_FrameCountInit_TypeDef * fcInit )

Initialize the LCD Frame Counter.

Parameters

[in] fcInit A pointer to the Frame Counter initialization structure.

◆ LCD_AnimInit()

void LCD_AnimInit ( const LCD_AnimInit_TypeDef * animInit )

Configure the LCD controller Animation feature.

Parameters

[in] animInit A pointer to the LCD Animation initialization structure.

◆ LCD_SegmentEnable()

void LCD_SegmentEnable	(	uint32_t	`seg_nbr,`
		bool	`enable`
	)

Enables a given LCD segment line.

Parameters

[in]	`seg_nbr`	Segment line number.
[in]	`enable`	Boolean true to enable a segment, false to disable.

◆ LCD_ComEnable()

void LCD_ComEnable	(	uint8_t	`com,`
		bool	`enable`
	)

Enables a given LCD COM line.

Parameters

[in]	`com`	COM line number.
[in]	`enable`	Boolean true to enable a COM , false to disable.

◆ LCD_DmaModeSet()

void LCD_DmaModeSet ( LCD_DmaMode_Typedef mode )

Set a given DMA mode operation.

Parameters

[in] mode DMA mode.

◆ LCD_SegmentSet()

void LCD_SegmentSet	(	int	`com,`
		int	`bit,`
		bool	`enable`
	)

Turn on or clear a segment.

Note: For the Gecko Family, the maximum configuration is (COM-lines x Segment-Lines) 4x40. For the Tiny Gecko Family, the maximum configuration is 8x20 or 4x24. For the Giant Gecko Family, the maximum configuration is 8x36 or 4x40.

Parameters

[in]	`com`	A COM line to change.
[in]	`bit`	A bit index indicating which field to change.
[in]	`enable`	True will set segment, false will clear segment.

◆ LCD_SegmentSetLow()

void LCD_SegmentSetLow	(	int	`com,`
		uint32_t	`mask,`
		uint32_t	`bits`
	)

Update 0-31 lowest segments on a given COM-line in one operation according to the bit mask.

Parameters

[in]	`com`	Indicates a COM line to update.
[in]	`mask`	A bit mask for segments 0-31.
[in]	`bits`	A bit pattern for segments 0-31.

◆ LCD_ContrastSet()

void LCD_ContrastSet ( int level )

Configure the contrast level on the LCD panel.

Parameters

[in] level The contrast level in range 0-63.

◆ LCD_BiasSet()

void LCD_BiasSet ( LCD_Bias_TypeDef bias )

Configure the bias level on the LCD panel.

Parameters

[in] bias The bias level.

◆ LCD_BiasSegmentSet()

void LCD_BiasSegmentSet	(	int	`segmentLine,`
		int	`biasLevel`
	)

Configure the bias level for a specific segment line for Direct Segment Control.

Note: When DSC is active, each configuration takes up 4 bits in the corresponding Segment Registers (SEGD0L/SEGD1H for Series 0 and 1, SEGDx for Series 2) which defines the bias level. For optimal use of this feature, the entire SEGD-registers should be set at once in an optimized routine. Therefore, this function shows how to correctly configure the bias levels and should be used with care.

Parameters

[in]	`segmentLine`	A segment line number.
[in]	`biasLevel`	The bias configuration level. This value must be within the constraints defined by the LCD_DISPCTRL bias settings. For more information, see the applicable Reference Manual and data sheet.

◆ LCD_BiasComSet()

void LCD_BiasComSet	(	int	`comLine,`
		int	`biasLevel`
	)

Configure the bias level for a specific segment line.

Note: When DSC is active, each configuration takes up 4 bits in the corresponding Segment Registers (SEGD4L/SEGD4H for Series 0 and 1, AREGA/AREGB for Series 2) which defines bias level. For optimal use of this feature, the entire register set should be set at once in a optimized routine. Therefore, this function shows how to correctly configure the bias levels and should be used with care.

Parameters

[in]	`comLine`	A COM line number, between 0 and 7 for Series 0 and 1. For Series 2, max is LCD_COM_NUM, defined in device-specific headers.
[in]	`biasLevel`	The bias configuration level. This value must be within the constraints defined by the LCD_DISPCTRL bias settings. For more information, see the appropriate Reference Manual and data sheet.

◆ LCD_ModeSet()

void LCD_ModeSet ( LCD_Mode_Typedef mode )

Configure the mode for the LCD panel.

Parameters

[in] mode A mode.

◆ LCD_ChargeRedistributionCyclesSet()

void LCD_ChargeRedistributionCyclesSet ( uint8_t cycles )

Configure the charge redistribution cycles for the LCD panel.

Parameters

[in] cycles Charge redistribution cycles, range 0-4.

◆ LCD_LoadBusyWait()

void LCD_LoadBusyWait ( void )

inline

Wait for load synchronization completion.

Note: Doing any writes to HV registers will not go through and will cause a bus fault.

◆ LCD_ReadyWait()

void LCD_ReadyWait ( void )

inline

Wait for the LCD to complete resetting or disabling procedure.

◆ LCD_Enable()

void LCD_Enable ( bool enable )

inline

Enable or disable LCD controller.

Parameters

int LCD_AnimState ( void )

inline

Return the current animation state.

Returns: Animation state, in range 0-15.

◆ LCD_BlinkState()

int LCD_BlinkState ( void )

inline

Return the current blink state.

Returns: Return value is 1 if segments are enabled, 0 if disabled.

◆ LCD_SyncStart()

void LCD_SyncStart	(	bool	`autoload,`
		LCD_LoadAddr_TypeDef	`load_addr`
	)

inline

Start the synchronization process.

Parameters

[in]	`autoload`	Flag indicating if the synchronization is started manually with CMD.LOAD (false) or if the synchronization is managed automatically by Auto Load (true).
[in]	`load_addr`	Address which will start the synchronization from CLK_BUS to CLK_PER when Auto Load is selected. This argument has no effect if 'autoload' is false.

◆ LCD_SyncStop()

void LCD_SyncStop ( bool autoload )

inline

Stop the synchronization process.

Parameters

[in] autoload Flag indicating if the synchronization is stopped manually with CMD.CLEAR (false) or if the synchronization managed by Auto Load is disabled (true).

◆ LCD_IntGet()

uint32_t LCD_IntGet ( void )

inline

Get pending LCD interrupt flags.

Returns: Pending LCD interrupt sources. Returns a set of interrupt flags OR-ed together for multiple interrupt sources in the LCD module (LCD_IFS_nnn).

◆ LCD_IntGetEnabled()

uint32_t LCD_IntGetEnabled ( void )

inline

Get enabled and pending LCD interrupt flags.

Useful for handling more interrupt sources in the same interrupt handler.

Note: Event bits are not cleared by the use of this function.

Returns

Pending and enabled LCD interrupt sources. Return value is the bitwise AND combination of

the OR combination of enabled interrupt sources in LCD_IEN_nnn register (LCD_IEN_nnn) and
the bitwise OR combination of valid interrupt flags of LCD module (LCD_IF_nnn).

◆ LCD_IntSet()

void LCD_IntSet ( uint32_t flags )

inline

Set one or more pending LCD interrupts from SW.

Parameters

[in] flags LCD interrupt sources to set to pending. Use a set of interrupt flags OR-ed together to set multiple interrupt sources for the LCD module (LCD_IFS_nnn).

◆ LCD_IntEnable()

void LCD_IntEnable ( uint32_t flags )

inline

Enable LCD interrupts.

Parameters

[in] flags LCD interrupt sources to enable. Use a set of interrupt flags OR-ed together to set multiple interrupt sources for LCD module (LCD_IFS_nnn).

◆ LCD_IntDisable()

void LCD_IntDisable ( uint32_t flags )

inline

Disable LCD interrupts.

Parameters

[in] flags LCD interrupt sources to disable. Use a set of interrupt flags OR-ed together to disable multiple interrupt sources for LCD module (LCD_IFS_nnn).

◆ LCD_IntClear()

void LCD_IntClear ( uint32_t flags )

inline

Clear one or more interrupt flags.

Parameters

[in] flags LCD interrupt sources to clear. Use a set of interrupt flags OR-ed together to clear multiple interrupt sources for LCD module (LCD_IFS_nnn).

◆ LCD_DSCEnable()

void LCD_DSCEnable ( bool enable )

inline

Enable or disable LCD Direct Segment Control.

Parameters

[in] enable If true, enables LCD controller Direct Segment Control Segment and COM line bias levels need to be set explicitly with LCD_BiasSegmentSet() and LCD_BiasComSet() function calls respectively.

Macro Definition Documentation

◆ LCD_FRAME_COUNTER_VAL_MAX

#define LCD_FRAME_COUNTER_VAL_MAX 64

Frame counter uses a maximum of 5 bits (FCTOP[5:0]).

◆ LCD_DEFAULT_CLOCK_PRESCALER

#define LCD_DEFAULT_CLOCK_PRESCALER 64

Default Clock Prescaler.

◆ LCD_DEFAULT_FRAME_RATE_DIV

#define LCD_DEFAULT_FRAME_RATE_DIV 4

Default LCD Frame Rate Divisor.

◆ LCD_DEFAULT_CONTRAST

#define LCD_DEFAULT_CONTRAST 15

Default LCD Contrast.

◆ LCD_COM_LINES_MAX

#define LCD_COM_LINES_MAX 4

Maximum common lines of LCD.

◆ LCD_SEGMENT_LINES_MAX

#define LCD_SEGMENT_LINES_MAX 20

Maximum segment lines of LCD.

◆ LCD_INIT_DEFAULT

#define LCD_INIT_DEFAULT

Value:

         {                                \
        
         true,                          \
        
         lcdMuxQuadruplex,              \
        
         lcdBiasOneFourth,              \
        
         lcdWaveLowPower,               \
        
         lcdModeStepDown,               \
        
         lcdChargeRedistributionEnable, \
        
         LCD_DEFAULT_FRAME_RATE_DIV,    \
        
         LCD_DEFAULT_CONTRAST,          \
        
         LCD_DEFAULT_CLOCK_PRESCALER    \
        
         }

Default configuration for LCD initialization structure, enables 160 segments.

Enumeration Type Documentation

◆ LCD_Mux_TypeDef

enum LCD_Mux_TypeDef

MUX setting.

Enumerator
lcdMuxStatic	Static (segments can be multiplexed with LCD_COM[0]).
lcdMuxDuplex	Duplex / 1/2 Duty cycle (segments can be multiplexed with LCD_COM[0:1]).
lcdMuxTriplex	Triplex / 1/3 Duty cycle (segments can be multiplexed with LCD_COM[0:2]).
lcdMuxQuadruplex	Quadruplex / 1/4 Duty cycle (segments can be multiplexed with LCD_COM[0:3]).

◆ LCD_Wave_TypeDef

enum LCD_Wave_TypeDef

Wave type.

Enumerator
lcdWaveLowPower	Low power optimized waveform output.
lcdWaveNormal	Regular waveform output.

◆ LCD_Bias_TypeDef

enum LCD_Bias_TypeDef

Bias setting.

Enumerator
lcdBiasStatic	Static (2 levels).
lcdBiasOneHalf	1/2 Bias (3 levels).
lcdBiasOneThird	1/3 Bias (4 levels).
lcdBiasOneFourth	1/4 Bias (5 levels).

◆ LCD_Mode_Typedef

enum LCD_Mode_Typedef

Contrast Configuration.

Mode of operation.

Enumerator
lcdModeStepDown	External cap with resistor string.
lcdModeChargePump	External cap and internal oscillator.

◆ LCD_FCPreScale_TypeDef

enum LCD_FCPreScale_TypeDef

Frame Counter Clock Prescaler, FC-CLK = FrameRate (Hz) / this factor.

Enumerator
lcdFCPrescDiv1	Prescale Div 1.
lcdFCPrescDiv2	Prescale Div 2.
lcdFCPrescDiv4	Prescale Div 4.
lcdFCPrescDiv8	Prescale Div 8.

◆ LCD_UpdateCtrl_TypeDef

enum LCD_UpdateCtrl_TypeDef

Update Data Control.

Enumerator
lcdUpdateCtrlRegular	Regular update, data transfer done immediately.
lcdUpdateCtrlFCEvent	Data transfer done at Frame Counter event.
lcdUpdateCtrlFrameStart	Data transfer done at Frame Start.
lcdUpdateCtrlDisplayEvent	Data transfer done at Display Counter event.

◆ LCD_LoadAddr_TypeDef

enum LCD_LoadAddr_TypeDef

Auto Load address which will start the synchronization from CLK_BUS to CLK_PER.

Enumerator
lcdLoadAddrNone	Starts synchronizing registers after a write to BACTRL.
lcdLoadAddrBactrl	Starts synchronizing registers after a write to BACTRL.
lcdLoadAddrAregA	Starts synchronizing registers after a write to AREGA.
lcdLoadAddrAregB	Starts synchronizing registers after a write to AREGB.
lcdLoadAddrSegd0	Starts synchronizing registers after a write to SEGD0.
lcdLoadAddrSegd1	Starts synchronizing registers after a write to SEGD1.
lcdLoadAddrSegd2	Starts synchronizing registers after a write to SEGD2.
lcdLoadAddrSegd3	Starts synchronizing registers after a write to SEGD3.

◆ LCD_AnimShift_TypeDef

enum LCD_AnimShift_TypeDef

Animation Shift operation; none, left or right.

Enumerator
lcdAnimShiftNone	No shift.
lcdAnimShiftLeft	Shift segment bits left.
lcdAnimShiftRight	Shift segment bits right.

◆ LCD_AnimLogic_TypeDef

enum LCD_AnimLogic_TypeDef

Animation Logic Control, how AReg and BReg should be combined.

Enumerator

lcdAnimLogicAnd

Use bitwise logic AND to mix animation register A (AREGA) and B (AREGB).

lcdAnimLogicOr

Use bitwise logic OR to mix animation register A (AREGA) and B (AREGB).

◆ LCD_AnimLoc_TypeDef

enum LCD_AnimLoc_TypeDef

Animation Location, set the LCD segments which animation applies to.

Enumerator

lcdAnimLocSeg0To7

Animation appears on segments 0 to 7.

lcdAnimLocSeg8To15

Animation appears on segments 8 to 15.

◆ LCD_ChargeRedistribution_TypeDef

enum LCD_ChargeRedistribution_TypeDef

Charge redistribution control.

Enumerator
lcdChargeRedistributionDisable	Disable charge redistribution.
lcdChargeRedistributionEnable	Use 1 prescaled low frequency clock cycle for charge redistribution.
lcdChargeRedistributionTwoCycle	Use 2 prescaled low frequency clock cycle for charge redistribution.
lcdChargeRedistributionThreeCycle	Use 3 prescaled low frequency clock cycle for charge redistribution.
lcdChargeRedistributionFourCycle	Use 4 prescaled low frequency clock cycle for charge redistribution.

◆ LCD_DmaMode_Typedef

enum LCD_DmaMode_Typedef

DMA mode of operation.

Enumerator
lcdDmaModeDisable	No DMA requests are generated.
lcdDmaModeFrameCounterEvent	DMA request on frame counter event.
lcdDmaModeDisplayEvent	DMA request on display counter event.

LCD - Liquid Crystal Display

Description

Data Structures

Functions

Macros

Enumerations

Function Documentation

◆ LCD_Init()

◆ LCD_UpdateCtrl()

◆ LCD_FrameCountInit()

◆ LCD_AnimInit()

◆ LCD_SegmentEnable()

◆ LCD_ComEnable()

◆ LCD_DmaModeSet()

◆ LCD_SegmentSet()

◆ LCD_SegmentSetLow()

◆ LCD_ContrastSet()

◆ LCD_BiasSet()

◆ LCD_BiasSegmentSet()

◆ LCD_BiasComSet()

◆ LCD_ModeSet()

◆ LCD_ChargeRedistributionCyclesSet()

◆ LCD_LoadBusyWait()

◆ LCD_ReadyWait()

◆ LCD_Enable()

◆ LCD_Reset()

◆ LCD_AnimEnable()

◆ LCD_BlinkEnable()

◆ LCD_BlankEnable()

◆ LCD_FrameCountEnable()

◆ LCD_DisplayCountEnable()

◆ LCD_AnimState()

◆ LCD_BlinkState()

◆ LCD_SyncStart()

◆ LCD_SyncStop()

◆ LCD_IntGet()

◆ LCD_IntGetEnabled()

◆ LCD_IntSet()

◆ LCD_IntEnable()

◆ LCD_IntDisable()

◆ LCD_IntClear()

◆ LCD_DSCEnable()

Macro Definition Documentation

◆ LCD_FRAME_COUNTER_VAL_MAX

◆ LCD_DEFAULT_CLOCK_PRESCALER

◆ LCD_DEFAULT_FRAME_RATE_DIV

◆ LCD_DEFAULT_CONTRAST

◆ LCD_COM_LINES_MAX

◆ LCD_SEGMENT_LINES_MAX

◆ LCD_INIT_DEFAULT

Enumeration Type Documentation

◆ LCD_Mux_TypeDef

◆ LCD_Wave_TypeDef

◆ LCD_Bias_TypeDef

◆ LCD_Mode_Typedef

◆ LCD_FCPreScale_TypeDef

◆ LCD_UpdateCtrl_TypeDef

◆ LCD_LoadAddr_TypeDef

◆ LCD_AnimShift_TypeDef

◆ LCD_AnimLogic_TypeDef

◆ LCD_AnimLoc_TypeDef

◆ LCD_ChargeRedistribution_TypeDef

◆ LCD_DmaMode_Typedef