80 lines
2.3 KiB
C++
Executable File
80 lines
2.3 KiB
C++
Executable File
// ---------------------------------------------------------------------------
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// Created by Francisco Malpartida on 20/08/11.
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// Copyright 2011 - Under creative commons license 3.0:
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// Attribution-ShareAlike CC BY-SA
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//
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// This module is a port by Marc MERLIN <marc_soft<at>merlins.org>
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// See .cpp file for hardware details.
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// ---------------------------------------------------------------------------
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#ifndef _LIQUIDCRYSTAL_SR_LCD3_
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#define _LIQUIDCRYSTAL_SR_LCD3_
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#include <inttypes.h>
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#include "LCD.h"
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#include "FastIO.h"
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class LiquidCrystal_SR_LCD3 : public LCD
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{
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public:
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/*!
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@method
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@abstract LCD SHIFT REGISTER constructors.
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@discussion Defines the pin assignment that the LCD will have.
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The constructor does not initialize the LCD. Assuming 1 line 8 pixel high
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font.
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@param srdata[in] pin for shiftregister data line.
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@param srclock[in] pin for shiftregister clock line.
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@param enable[in] enable pin for the shiftregister (also called strobe).
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*/
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LiquidCrystal_SR_LCD3 ( uint8_t srdata, uint8_t srclock, uint8_t enable );
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/*!
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@function
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@abstract Send a particular value to the LCD.
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@discussion Sends a particular value to the LCD for writing to the LCD or
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as an LCD command using the shift register.
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Users should never call this method.
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@param value[in] Value to send to the LCD.
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@result mode LOW - write to the LCD CGRAM, HIGH - write a command to
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the LCD.
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*/
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virtual void send(uint8_t value, uint8_t mode);
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private:
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/*!
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@method
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@abstract Initializes the LCD pin allocation
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@discussion Initializes the LCD pin allocation and configuration.
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*/
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void init ( uint8_t srdata, uint8_t srclock, uint8_t enable, uint8_t lines,
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uint8_t font );
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/*!
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@method
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@abstract For sending data when initializing the display to 4-bit
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@discussion Initializes the LCD pin allocation and configuration.
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*/
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void write4bits ( uint8_t );
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void _pushOut ( uint8_t );
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// Serial Data pin
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fio_bit _srdata_bit;
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fio_register _srdata_register;
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// Clock Pin
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fio_bit _srclock_bit;
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fio_register _srclock_register;
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// Enable Pin
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fio_bit _strobe_bit;
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fio_register _strobe_register;
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};
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#endif
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