jhd1313m1: Add C++ wrapper

Signed-off-by: Jon Trulson <jtrulson@ics.com>
This commit is contained in:
Jon Trulson 2016-10-11 13:12:01 -06:00
parent 643d262fef
commit 758234f887
8 changed files with 433 additions and 87 deletions

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@ -2,10 +2,10 @@ upm_mixed_module_init (NAME jhd1313m1
DESCRIPTION "upm JHD1313M1 RGB LCD display driver"
C_HDR jhd1313m1.h
C_SRC jhd1313m1.c
# CPP_HDR jhd1313m1.hpp
# CPP_SRC jhd1313m1.cxx
CPP_HDR jhd1313m1.hpp
CPP_SRC jhd1313m1.cxx
# FTI_SRC jhd1313m1_fti.c
# CPP_WRAPS_C
CPP_WRAPS_C
REQUIRES mraa)
# We need hd44780_bits.h from lcm1602
include_directories("../lcm1602")

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@ -1,82 +0,0 @@
/*
* Author: Jon Trulson <jtrulson@ics.com>
* Copyright (c) 2015 Intel Corporation.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#pragma once
// This file contains bit definitions for the HD44780 and compatible
// LCD controllers. It is used primarily my the lcm1602 driver and
// it's derivatives.
//
// Those values (DATA, CMD) are specific to the implementation of the
// i2C expander in use, so may not be appropriate for inclusion into
// this file. But for now, we will leave them here.
#include <stdint.h>
// commands
const uint8_t HD44780_CLEARDISPLAY = 0x01;
const uint8_t HD44780_RETURNHOME = 0x02;
const uint8_t HD44780_ENTRYMODESET = 0x04;
const uint8_t HD44780_DISPLAYCONTROL = 0x08;
const uint8_t HD44780_CURSORSHIFT = 0x10;
const uint8_t HD44780_FUNCTIONSET = 0x20;
// flags for display entry mode
const uint8_t HD44780_ENTRYRIGHT = 0x00;
const uint8_t HD44780_ENTRYLEFT = 0x02;
const uint8_t HD44780_ENTRYSHIFTINCREMENT = 0x01;
const uint8_t HD44780_ENTRYSHIFTDECREMENT = 0x00;
// flags for display on/off control
const uint8_t HD44780_DISPLAYON = 0x04;
const uint8_t HD44780_DISPLAYOFF = 0x00;
const uint8_t HD44780_CURSORON = 0x02;
const uint8_t HD44780_CURSOROFF = 0x00;
const uint8_t HD44780_BLINKON = 0x01;
const uint8_t HD44780_BLINKOFF = 0x00;
// flags for display/cursor shift
const uint8_t HD44780_DISPLAYMOVE = 0x08;
const uint8_t HD44780_MOVERIGHT = 0x04;
const uint8_t HD44780_MOVELEFT = 0x00;
// flags for function set
const uint8_t HD44780_8BITMODE = 0x10;
const uint8_t HD44780_4BITMODE = 0x00;
const uint8_t HD44780_2LINE = 0x08;
const uint8_t HD44780_1LINE = 0x00;
const uint8_t HD44780_5x10DOTS = 0x04;
const uint8_t HD44780_5x8DOTS = 0x00;
// flags for CGRAM
const uint8_t HD44780_SETCGRAMADDR = 0x40;
// may be implementation specific
const uint8_t HD44780_EN = 0x04; // Enable bit
const uint8_t HD44780_RW = 0x02; // Read/Write bit
const uint8_t HD44780_RS = 0x01; // Register select bit
const uint8_t HD44780_DATA = 0x40;
const uint8_t HD44780_CMD = 0x80;
const uint8_t HD44780_BACKLIGHT = 0x08;
const uint8_t HD44780_NOBACKLIGHT = 0x00;

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@ -22,12 +22,12 @@
JCALL3(ReleaseByteArrayElements, jenv, $input, (jbyte *)$1, 0);
}
%include "jhd1313m1.h"
%include "jhd1313m1.hpp"
%{
#include "jhd1313m1.hpp"
%}
%include "jhd1313m1.hpp"
%pragma(java) jniclasscode=%{
static {
try {

169
src/jhd1313m1/jhd1313m1.cxx Normal file
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@ -0,0 +1,169 @@
/*
* Author: Jon Trulson <jtrulson@ics.com>
* Copyright (c) 2016 Intel Corporation.
*
* Based on UPM C++ drivers originally developed by:
* Author: Daniel Mosquera
* Copyright (c) 2013 Daniel Mosquera
*
* Author: Thomas Ingleby <thomas.c.ingleby@intel.com>
* Copyright (c) 2014 Intel Corporation.
*
* Contributions: Sergey Kiselev <sergey.kiselev@intel.com>
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <string>
#include <stdexcept>
#include <unistd.h>
#include "jhd1313m1.hpp"
using namespace upm;
Jhd1313m1::Jhd1313m1(int bus, int lcdAddress, int rgbAddress) :
m_jhd1313m1(jhd1313m1_init(bus, lcdAddress, rgbAddress))
{
if (!m_jhd1313m1)
throw std::runtime_error(std::string(__FUNCTION__) +
": jhd1313m1_init failed");
}
Jhd1313m1::~Jhd1313m1()
{
jhd1313m1_close(m_jhd1313m1);
}
upm_result_t Jhd1313m1::write(std::string msg)
{
return jhd1313m1_write(m_jhd1313m1, (char *)msg.data(), msg.size());
}
upm_result_t Jhd1313m1::setCursor(int row, int column)
{
return jhd1313m1_set_cursor(m_jhd1313m1, row, column);
}
upm_result_t Jhd1313m1::scroll(bool direction)
{
return jhd1313m1_scroll(m_jhd1313m1, direction);
}
upm_result_t Jhd1313m1::setColor(uint8_t r, uint8_t g, uint8_t b)
{
return jhd1313m1_set_color(m_jhd1313m1, r, g, b);
}
upm_result_t Jhd1313m1::clear()
{
return jhd1313m1_clear(m_jhd1313m1);
}
upm_result_t Jhd1313m1::home()
{
return jhd1313m1_home(m_jhd1313m1);
}
upm_result_t Jhd1313m1::createChar(uint8_t charSlot,
jhd1313m1_custom_char_t charData)
{
return jhd1313m1_create_char(m_jhd1313m1, charSlot, charData);
}
upm_result_t Jhd1313m1::displayOn()
{
return jhd1313m1_display_on(m_jhd1313m1, true);
}
upm_result_t Jhd1313m1::displayOff()
{
return jhd1313m1_display_on(m_jhd1313m1, false);
}
upm_result_t Jhd1313m1::cursorOn()
{
return jhd1313m1_cursor_on(m_jhd1313m1, true);
}
upm_result_t Jhd1313m1::cursorOff()
{
return jhd1313m1_cursor_on(m_jhd1313m1, false);
}
upm_result_t Jhd1313m1::cursorBlinkOn()
{
return jhd1313m1_cursor_blink_on(m_jhd1313m1, true);
}
upm_result_t Jhd1313m1::cursorBlinkOff()
{
return jhd1313m1_cursor_blink_on(m_jhd1313m1, false);
}
upm_result_t Jhd1313m1::backlightOn()
{
return jhd1313m1_backlight_on(m_jhd1313m1, true);
}
upm_result_t Jhd1313m1::backlightOff()
{
return jhd1313m1_backlight_on(m_jhd1313m1, false);
}
upm_result_t Jhd1313m1::scrollDisplayLeft()
{
return jhd1313m1_scroll_display_left(m_jhd1313m1);
}
upm_result_t Jhd1313m1::scrollDisplayRight()
{
return jhd1313m1_scroll_display_right(m_jhd1313m1);
}
upm_result_t Jhd1313m1::entryLeftToRight()
{
return jhd1313m1_entry_left_to_right(m_jhd1313m1, true);
}
upm_result_t Jhd1313m1::entryRightToLeft()
{
return jhd1313m1_entry_left_to_right(m_jhd1313m1, false);
}
upm_result_t Jhd1313m1::autoscrollOn()
{
return jhd1313m1_autoscroll_on(m_jhd1313m1, true);
}
upm_result_t Jhd1313m1::autoscrollOff()
{
return jhd1313m1_autoscroll_on(m_jhd1313m1, false);
}
upm_result_t Jhd1313m1::command(uint8_t cmd)
{
return jhd1313m1_command(m_jhd1313m1, cmd);
}
upm_result_t Jhd1313m1::data(uint8_t data)
{
return jhd1313m1_data(m_jhd1313m1, data);
}

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@ -186,6 +186,14 @@ extern "C" {
*/
upm_result_t jhd1313m1_backlight_on(const jhd1313m1_context dev, bool on);
/**
* Makes the LCD scroll text
*
* @param direction True if scrolling to the right, false otherwise
* @return Result of the operation
*/
upm_result_t jhd1313m1_scroll(const jhd1313m1_context dev, bool direction);
/**
* Scroll the display left, without changing the character RAM.
*

249
src/jhd1313m1/jhd1313m1.hpp Normal file
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@ -0,0 +1,249 @@
/*
* Author: Jon Trulson <jtrulson@ics.com>
* Copyright (c) 2016 Intel Corporation.
*
* Based on UPM C++ drivers originally developed by:
* Author: Daniel Mosquera
* Copyright (c) 2013 Daniel Mosquera
*
* Author: Thomas Ingleby <thomas.c.ingleby@intel.com>
* Copyright (c) 2014 Intel Corporation.
*
* Contributions: Sergey Kiselev <sergey.kiselev@intel.com>
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#pragma once
#include <string>
#include "jhd1313m1.h"
namespace upm
{
/**
* @library jhd1313m1
* @sensor jhd1313m1
* @comname JHD1313M1 Display
* @altname Grove RGB LCD
* @type display
* @man seeed adafruit sparkfun
* @web http://www.seeedstudio.com/depot/Grove-LCD-RGB-Backlight-p-1643.html?cPath=34_36
* @con i2c
* @kit gsk
*
* @brief API for the JHD1313M1 I2C controller for HD44780-based displays with
* an RGB backlight, such as a Grove RGB I2C LCD display
*
* JHD1313M1 has two I2C addreses: one belongs to a controller, very
* similar to the upm::Lcm1602 LCD driver, that controls the
* HD44780-based display, and the other controls only the
* backlight. This module was tested with the Seeed Grove LCD RGB
* Backlight v2.0 display that requires 5V to operate.
*
* @image html grovergblcd.jpg
* @snippet jhd1313m1-lcd.cxx Interesting
*/
class Jhd1313m1
{
public:
/**
* Jhd1313m1 constructor
*
* @param bus I2C bus to use
* @param address Slave address the LCD is registered on
* @param address Slave address the RGB backlight is registered on
*/
Jhd1313m1(int bus, int lcdAddress = 0x3E, int rgbAddress = 0x62);
/**
* Jhd1313m1 destructor
*/
~Jhd1313m1();
/**
* Writes a string to the LCD
*
* @param msg std::string to write to the display; note: only ASCII
* characters are supported
* @return Result of the operation
*/
upm_result_t write(std::string msg);
/**
* Makes the LCD scroll text
*
* @param direction True if scrolling to the right, false otherwise
* @return Result of the operation
*/
upm_result_t scroll(bool direction);
/**
* Sets the color of the backlight
* Can be used to change the color even when the backlight is off
*
* @param r 0-255 value for red
* @param g 0-255 value for green
* @param b 0-255 value for blue
* @return Result of the operation
*/
upm_result_t setColor(uint8_t r, uint8_t g, uint8_t b);
/**
* Sets the cursor to specified coordinates
*
* @param row Row to set the cursor to
* @param column Column to set the cursor to
* @return Result of the operation
*/
upm_result_t setCursor(int row, int column);
/**
* Clears the display of all characters
*
* @return Result of the operation
*/
upm_result_t clear();
/**
* Returns to the original coordinates (0,0)
*
* @return Result of the operation
*/
upm_result_t home();
/**
* Create a custom character
*
* @param charSlot the character slot to write, only 8 are available
* @param charData The character data (8 bytes) making up the character
* @return Result of operation
*/
upm_result_t createChar(uint8_t charSlot,
jhd1313m1_custom_char_t charData);
/**
* Turn the display on
*
* @return Result of operation
*/
upm_result_t displayOn();
/**
* Turn the display off
*
* @return Result of operation
*/
upm_result_t displayOff();
/**
* Turn the cursor on
*
* @return Result of operation
*/
upm_result_t cursorOn();
/**
* Turn the cursor off
*
* @return Result of operation
*/
upm_result_t cursorOff();
/**
* Turn cursor blink on
*
* @return Result of operation
*/
upm_result_t cursorBlinkOn();
/**
* Turn cursor blink off
*
* @return Result of operation
*/
upm_result_t cursorBlinkOff();
/**
* Turn backlight on
*
* @return Result of operation
*/
upm_result_t backlightOn();
/**
* Turn backlight off
*
* @return Result of operation
*/
upm_result_t backlightOff();
/**
* Scroll the display left, without changing the character RAM
*
* @return Result of operation
*/
upm_result_t scrollDisplayLeft();
/**
* Scroll the display right, without changing the character RAM
*
* @return Result of operation
*/
upm_result_t scrollDisplayRight();
/**
* set the entry mode so that characters are added left to right
*
* @return Result of operation
*/
upm_result_t entryLeftToRight();
/**
* set the entry mode so that characters are added right to left
*
* @return Result of operation
*/
upm_result_t entryRightToLeft();
/**
* Right justify text entered from the cursor
*
* @return Result of operation
*/
upm_result_t autoscrollOn();
/**
* Left justify text entered from the cursor
*
* @return Result of operation
*/
upm_result_t autoscrollOff();
protected:
jhd1313m1_context m_jhd1313m1;
upm_result_t command(uint8_t cmd);
upm_result_t data(uint8_t data);
private:
};
}

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@ -2,6 +2,7 @@
%include "../upm.i"
%include "../carrays_uint8_t.i"
%include "jhd1313m1.h"
%include "jhd1313m1.hpp"
%{
#include "jhd1313m1.hpp"

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@ -6,6 +6,7 @@
%feature("autodoc", "3");
%include "jhd1313m1.h"
%include "jhd1313m1.hpp"
%{
#include "jhd1313m1.hpp"