LCD::SPI3W Class Reference

#include <LCD.hh>

Inheritance diagram for LCD::SPI3W:

Collaboration diagram for LCD::SPI3W:

Public Member Functions
	SPI3W (Board::DigitalPin sce=Board::D9)
virtual void	begin ()
virtual void	end ()
virtual void	write (uint8_t data)
virtual void	write (const void *buf, size_t size)
void	set_clock (Clock rate)
void	set_clock (uint32_t freq)

Static Public Member Functions
static Clock	clock (uint32_t freq)
static Clock	cycle (uint16_t ns)

Protected Attributes
Driver *	m_next
	List of drivers. More...
Interrupt::Handler *	m_irq
	Interrupt handler. More...
OutputPin	m_cs
	Device chip select pin. More...
Pulse	m_pulse
	Chip select pulse width. More...
uint8_t	m_spcr
	SPI/SPCR hardware control register setting. More...
uint8_t	m_spsr
	SPI/SPSR hardware status register. More...

Detailed Description

LCD IO adapter for 3 wire SPI (MOSI, SCK and SCE).

Definition at line 300 of file LCD.hh.

Constructor & Destructor Documentation

LCD::SPI3W::SPI3W ( Board::DigitalPin  sce = Board::D9 )

inline

Construct display device driver adapter with given pins. Implicit usage of SPI SCK(D13/D4) and MOSI(D11/D5).

Parameters

[in]

sce

screen chip enable pin (default D9/D3).

Definition at line 308 of file LCD.hh.

Member Function Documentation

virtual void LCD::SPI3W::begin ( )

inlinevirtual

Start of data/command transfer block.

Implements LCD::IO.

Definition at line 317 of file LCD.hh.

static Clock SPI::Driver::clock ( uint32_t  freq )

inlinestaticinherited

Calculate SPI clock rate (scale factor) for given frequency.

Parameters

[in]

freq

device max frequency (in Hz).

Returns

clock rate.

Definition at line 117 of file SPI.hh.

static Clock SPI::Driver::cycle ( uint16_t  ns )

inlinestaticinherited

Calculate SPI clock rate (scale factor) for given clock cycle time in nano seconds.

Parameters

[in]

ns

min device clock cycle time.

Returns

clock rate.

Definition at line 135 of file SPI.hh.

virtual void LCD::SPI3W::end ( )

inlinevirtual

End of data/command transfer block.

Implements LCD::IO.

Definition at line 327 of file LCD.hh.

void SPI::Driver::set_clock ( Clock  rate )

inherited

Set SPI master clock rate.

Parameters

[in]

clock

rate.

Definition at line 297 of file SPI.cpp.

void SPI::Driver::set_clock ( uint32_t  freq )

inlineinherited

Set SPI master clock frequency.

Parameters

[in]

freq

device max frequency (in Hz).

Definition at line 157 of file SPI.hh.

virtual void LCD::SPI3W::write ( uint8_t  data )

inlinevirtual

Write byte (8bit) to display. Must be in data/command transfer block.

Parameters

[in]

data

(8b) to write.

Implements LCD::IO.

Definition at line 339 of file LCD.hh.

virtual void LCD::SPI3W::write ( const void *  buf, size_t  size  )

inlinevirtual

Write character buffer to display. Must be in data/command transfer block.

Parameters

[in]	buf	pointer to buffer.
[in]	size	number of bytes in buffer.

Implements LCD::IO.

Definition at line 351 of file LCD.hh.

Member Data Documentation

OutputPin SPI::Driver::m_cs

protectedinherited

Device chip select pin.

Definition at line 166 of file SPI.hh.

Interrupt::Handler* SPI::Driver::m_irq

protectedinherited

Interrupt handler.

Definition at line 165 of file SPI.hh.

Driver* SPI::Driver::m_next

protectedinherited

List of drivers.

Definition at line 164 of file SPI.hh.

Pulse SPI::Driver::m_pulse

protectedinherited

Chip select pulse width.

Definition at line 167 of file SPI.hh.

uint8_t SPI::Driver::m_spcr

protectedinherited

SPI/SPCR hardware control register setting.

Definition at line 173 of file SPI.hh.

uint8_t SPI::Driver::m_spsr

protectedinherited

SPI/SPSR hardware status register.

Definition at line 174 of file SPI.hh.

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The documentation for this class was generated from the following file:

• cores/cosa/Cosa/LCD.hh