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
35 using namespace upm;
36
Jhd1313m1(int bus,int lcdAddress,int rgbAddress)37 Jhd1313m1::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
~Jhd1313m1()85 Jhd1313m1::~Jhd1313m1()
86 {
87 clear();
88 setColor(0x00, 0x00, 0x00);
89 }
90
91 mraa::Result
setColor(uint8_t r,uint8_t g,uint8_t b)92 Jhd1313m1::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
109 beach:
110 return ret;
111 }
112
113 mraa::Result
scroll(bool direction)114 Jhd1313m1::scroll(bool direction)
115 {
116 if (direction) {
117 return scrollDisplayLeft();
118 } else {
119 return scrollDisplayRight();
120 }
121 }
122
command(uint8_t cmd)123 mraa::Result Jhd1313m1::command(uint8_t cmd)
124 {
125 return m_i2c_lcd_control->writeReg(LCD_CMD, cmd);
126
127 }
data(uint8_t cmd)128 mraa::Result Jhd1313m1::data(uint8_t cmd)
129 {
130 return m_i2c_lcd_control->writeReg(LCD_DATA, cmd);
131 }
132