LCD::SR4W< SDA_PIN, SCL_PIN, EN_PIN, BT_PIN > Class Template Reference

#include <SR4W.h>

Inheritance diagram for LCD::SR4W< SDA_PIN, SCL_PIN, EN_PIN, BT_PIN >:

Collaboration diagram for LCD::SR4W< SDA_PIN, SCL_PIN, EN_PIN, BT_PIN >:

Public Member Functions
	SR4W ()
virtual bool	setup ()
virtual void	write4b (uint8_t data)
virtual void	write8b (uint8_t data)
virtual void	set_mode (uint8_t flag)
virtual void	set_backlight (uint8_t flag)
virtual void	write8n (const void *buf, size_t size)

Protected Attributes
GPIO< SDA_PIN >	m_sda
	Serial data output. More...
GPIO< SCL_PIN >	m_scl
	Serial clock. More...
GPIO< EN_PIN >	m_en
	Starts data read/write. More...
GPIO< BT_PIN >	m_bt
	Backlight control. More...
uint8_t	m_rs
	Command/Data select. More...

Static Protected Attributes
static const uint16_t	SHORT_EXEC_TIME = 30

Detailed Description

template<BOARD::pin_t SDA_PIN, BOARD::pin_t SCL_PIN, BOARD::pin_t EN_PIN, BOARD::pin_t BT_PIN>
class LCD::SR4W< SDA_PIN, SCL_PIN, EN_PIN, BT_PIN >

Definition at line 93 of file SR4W.h.

Constructor & Destructor Documentation

template<BOARD::pin_t SDA_PIN, BOARD::pin_t SCL_PIN, BOARD::pin_t EN_PIN, BOARD::pin_t BT_PIN>

LCD::SR4W< SDA_PIN, SCL_PIN, EN_PIN, BT_PIN >::SR4W ( )

inline

Construct HD44780 4-wire/8-bit serial port connected to given data (rs), clock, enable and backlight control pins.

Definition at line 99 of file SR4W.h.

Member Function Documentation

template<BOARD::pin_t SDA_PIN, BOARD::pin_t SCL_PIN, BOARD::pin_t EN_PIN, BOARD::pin_t BT_PIN>

virtual void LCD::SR4W< SDA_PIN, SCL_PIN, EN_PIN, BT_PIN >::set_backlight ( uint8_t  flag )

inlinevirtual

Set backlight on/off using bt pin.

Parameters

[in]

flag.

Implements HD44780::Adapter.

Definition at line 165 of file SR4W.h.

template<BOARD::pin_t SDA_PIN, BOARD::pin_t SCL_PIN, BOARD::pin_t EN_PIN, BOARD::pin_t BT_PIN>

virtual void LCD::SR4W< SDA_PIN, SCL_PIN, EN_PIN, BT_PIN >::set_mode ( uint8_t  flag )

inlinevirtual

Set instruction/data mode using given rs pin; zero for instruction, non-zero for data mode.

Parameters

[in]

flag.

Implements HD44780::Adapter.

Definition at line 155 of file SR4W.h.

template<BOARD::pin_t SDA_PIN, BOARD::pin_t SCL_PIN, BOARD::pin_t EN_PIN, BOARD::pin_t BT_PIN>

virtual bool LCD::SR4W< SDA_PIN, SCL_PIN, EN_PIN, BT_PIN >::setup ( )

inlinevirtual

Initiate port for 8-bit serial mode.

Returns

true(1).

Reimplemented from HD44780::Adapter.

Definition at line 114 of file SR4W.h.

template<BOARD::pin_t SDA_PIN, BOARD::pin_t SCL_PIN, BOARD::pin_t EN_PIN, BOARD::pin_t BT_PIN>

virtual void LCD::SR4W< SDA_PIN, SCL_PIN, EN_PIN, BT_PIN >::write4b ( uint8_t  data )

inlinevirtual

Write LSB nibble to display using serial port.

Parameters

[in]

data

(4b) to write.

Implements HD44780::Adapter.

Definition at line 124 of file SR4W.h.

template<BOARD::pin_t SDA_PIN, BOARD::pin_t SCL_PIN, BOARD::pin_t EN_PIN, BOARD::pin_t BT_PIN>

virtual void LCD::SR4W< SDA_PIN, SCL_PIN, EN_PIN, BT_PIN >::write8b ( uint8_t  data )

inlinevirtual

Write byte (8bit) to display.

Parameters

[in]

data

(8b) to write.

Reimplemented from HD44780::Adapter.

Definition at line 134 of file SR4W.h.

virtual void HD44780::Adapter::write8n ( const void *  buf, size_t  size  )

inlinevirtualinherited

Write character/command buffer to display.

Parameters

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

Reimplemented in LCD::DFRobot_IIC, and LCD::MJKDZ.

Definition at line 77 of file HD44780.h.

Member Data Documentation

template<BOARD::pin_t SDA_PIN, BOARD::pin_t SCL_PIN, BOARD::pin_t EN_PIN, BOARD::pin_t BT_PIN>

GPIO<BT_PIN> LCD::SR4W< SDA_PIN, SCL_PIN, EN_PIN, BT_PIN >::m_bt

protected

Backlight control.

Definition at line 177 of file SR4W.h.

template<BOARD::pin_t SDA_PIN, BOARD::pin_t SCL_PIN, BOARD::pin_t EN_PIN, BOARD::pin_t BT_PIN>

GPIO<EN_PIN> LCD::SR4W< SDA_PIN, SCL_PIN, EN_PIN, BT_PIN >::m_en

protected

Starts data read/write.

Definition at line 176 of file SR4W.h.

template<BOARD::pin_t SDA_PIN, BOARD::pin_t SCL_PIN, BOARD::pin_t EN_PIN, BOARD::pin_t BT_PIN>

uint8_t LCD::SR4W< SDA_PIN, SCL_PIN, EN_PIN, BT_PIN >::m_rs

protected

Command/Data select.

Definition at line 178 of file SR4W.h.

template<BOARD::pin_t SDA_PIN, BOARD::pin_t SCL_PIN, BOARD::pin_t EN_PIN, BOARD::pin_t BT_PIN>

GPIO<SCL_PIN> LCD::SR4W< SDA_PIN, SCL_PIN, EN_PIN, BT_PIN >::m_scl

protected

Serial clock.

Definition at line 175 of file SR4W.h.

template<BOARD::pin_t SDA_PIN, BOARD::pin_t SCL_PIN, BOARD::pin_t EN_PIN, BOARD::pin_t BT_PIN>

GPIO<SDA_PIN> LCD::SR4W< SDA_PIN, SCL_PIN, EN_PIN, BT_PIN >::m_sda

protected

Serial data output.

Definition at line 174 of file SR4W.h.

template<BOARD::pin_t SDA_PIN, BOARD::pin_t SCL_PIN, BOARD::pin_t EN_PIN, BOARD::pin_t BT_PIN>

const uint16_t LCD::SR4W< SDA_PIN, SCL_PIN, EN_PIN, BT_PIN >::SHORT_EXEC_TIME = 30

staticprotected

Execution time delay (us).

Definition at line 172 of file SR4W.h.

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

• src/Adapter/SR4W.h