1/*
2 * Author: Yevgeniy Kiveisha <yevgeniy.kiveisha@intel.com>
3 * Copyright (c) 2014 Intel Corporation.
4 *
5 * Contributions: Jon Trulson <jtrulson@ics.com>
6 *
7 * Permission is hereby granted, free of charge, to any person obtaining
8 * a copy of this software and associated documentation files (the
9 * "Software"), to deal in the Software without restriction, including
10 * without limitation the rights to use, copy, modify, merge, publish,
11 * distribute, sublicense, and/or sell copies of the Software, and to
12 * permit persons to whom the Software is furnished to do so, subject to
13 * the following conditions:
14 *
15 * The above copyright notice and this permission notice shall be
16 * included in all copies or substantial portions of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
19 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
21 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
22 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
23 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
24 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 */
26
27#include <iostream>
28#include <stdexcept>
29#include <unistd.h>
30
31#include "lcd_private.h"
32#include "hd44780_bits.h"
33#include "jhd1313m1.h"
34
35using namespace upm;
36
37Jhd1313m1::Jhd1313m1(int bus, int lcdAddress, int rgbAddress)
38  : m_i2c_lcd_rgb(bus), Lcm1602(bus, lcdAddress, false)
39{
40    m_rgb_address = rgbAddress;
41    m_name = "Jhd1313m1";
42
43    mraa::Result ret = m_i2c_lcd_rgb.address(m_rgb_address);
44    if (ret != mraa::SUCCESS) {
45        throw std::invalid_argument(std::string(__FUNCTION__) +
46                                    ": I2c.address() failed");
47    }
48
49    usleep(50000);
50    ret = command(LCD_FUNCTIONSET | LCD_2LINE);
51
52    if (!ret) {
53        ret = command(LCD_FUNCTIONSET | LCD_2LINE);
54        UPM_CHECK_MRAA_SUCCESS(ret, "Unable to initialise the LCD controller");
55    }
56
57    usleep(100);
58    ret = displayOn();
59
60    UPM_CHECK_MRAA_SUCCESS(ret, "Unable to initialise the LCD controller");
61
62    usleep(100);
63    ret = clear();
64    UPM_CHECK_MRAA_SUCCESS(ret, "Unable to initialise the LCD controller");
65
66    usleep(2000);
67    ret = command(LCD_ENTRYMODESET | LCD_ENTRYLEFT | LCD_ENTRYSHIFTDECREMENT);
68    UPM_CHECK_MRAA_SUCCESS(ret, "Unable to initialise the LCD controller");
69
70    ret = m_i2c_lcd_rgb.writeReg(0, 0);
71    UPM_CHECK_MRAA_SUCCESS(ret, "Unable to initialise the RGB controller");
72    ret = m_i2c_lcd_rgb.writeReg(1, 0);
73    UPM_CHECK_MRAA_SUCCESS(ret, "Unable to initialise the RGB controller");
74    ret = m_i2c_lcd_rgb.writeReg(0x08, 0xAA);
75    UPM_CHECK_MRAA_SUCCESS(ret, "Unable to initialise the RGB controller");
76
77    ret = m_i2c_lcd_rgb.writeReg(0x04, 0xFF);
78    UPM_CHECK_MRAA_SUCCESS(ret, "Unable to initialise the RGB controller");
79    ret = m_i2c_lcd_rgb.writeReg(0x03, 0xFF);
80    UPM_CHECK_MRAA_SUCCESS(ret, "Unable to initialise the RGB controller");
81    ret = m_i2c_lcd_rgb.writeReg(0x02, 0xFF);
82    UPM_CHECK_MRAA_SUCCESS(ret, "Unable to initialise the RGB controller");
83}
84
85Jhd1313m1::~Jhd1313m1()
86{
87    clear();
88    setColor(0x00, 0x00, 0x00);
89}
90
91mraa::Result
92Jhd1313m1::setColor(uint8_t r, uint8_t g, uint8_t b)
93{
94    mraa::Result ret;
95
96    ret = m_i2c_lcd_rgb.writeReg(0, 0);
97    UPM_GOTO_ON_MRAA_FAIL(ret, beach);
98    ret = m_i2c_lcd_rgb.writeReg(1, 0);
99    UPM_GOTO_ON_MRAA_FAIL(ret, beach);
100    ret = m_i2c_lcd_rgb.writeReg(0x08, 0xAA);
101    UPM_GOTO_ON_MRAA_FAIL(ret, beach);
102
103    ret = m_i2c_lcd_rgb.writeReg(0x04, r);
104    UPM_GOTO_ON_MRAA_FAIL(ret, beach);
105    ret = m_i2c_lcd_rgb.writeReg(0x03, g);
106    UPM_GOTO_ON_MRAA_FAIL(ret, beach);
107    ret = m_i2c_lcd_rgb.writeReg(0x02, b);
108
109beach:
110    return ret;
111}
112
113mraa::Result
114Jhd1313m1::scroll(bool direction)
115{
116    if (direction) {
117        return scrollDisplayLeft();
118    } else {
119        return scrollDisplayRight();
120    }
121}
122
123mraa::Result Jhd1313m1::command(uint8_t cmd)
124{
125  return m_i2c_lcd_control->writeReg(LCD_CMD, cmd);
126
127}
128mraa::Result Jhd1313m1::data(uint8_t cmd)
129{
130  return m_i2c_lcd_control->writeReg(LCD_DATA, cmd);
131}
132