2 * Author: Yevgeniy Kiveisha <yevgeniy.kiveisha@intel.com>
3 * Copyright (c) 2014 Intel Corporation.
5 * Permission is hereby granted, free of charge, to any person obtaining
6 * a copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sublicense, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
13 * The above copyright notice and this permission notice shall be
14 * included in all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
17 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
19 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
20 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
21 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
22 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
28 #include "jhd1313m1.h"
32 Jhd1313m1::Jhd1313m1 (int bus, int lcdAddress, int rgbAddress) : IICLcd(bus, lcdAddress) {
33 maa_result_t error = MAA_SUCCESS;
35 m_rgb_address = rgbAddress;
36 m_i2c_lcd_rgb = maa_i2c_init(m_bus);
38 maa_result_t ret = maa_i2c_address(m_i2c_lcd_rgb, m_rgb_address);
39 if (ret != MAA_SUCCESS) {
40 fprintf(stderr, "Messed up i2c bus\n");
44 cmd (m_i2c_lcd_control, LCD_FUNCTIONSET | LCD_2LINE);
46 cmd (m_i2c_lcd_control, LCD_FUNCTIONSET | LCD_2LINE);
48 cmd (m_i2c_lcd_control, LCD_FUNCTIONSET | LCD_2LINE);
50 cmd (m_i2c_lcd_control, LCD_FUNCTIONSET | LCD_2LINE);
52 cmd (m_i2c_lcd_control, LCD_DISPLAYCONTROL | LCD_DISPLAYON);
56 cmd (m_i2c_lcd_control, LCD_ENTRYMODESET |
58 LCD_ENTRYSHIFTDECREMENT);
60 setReg (m_i2c_lcd_rgb, m_rgb_address, 0, 0);
61 setReg (m_i2c_lcd_rgb, m_rgb_address, 1, 0);
62 setReg (m_i2c_lcd_rgb, m_rgb_address, 0x08, 0xAA);
64 setReg (m_i2c_lcd_rgb, m_rgb_address, 0x04, 255);
65 setReg (m_i2c_lcd_rgb, m_rgb_address, 0x03, 255);
66 setReg (m_i2c_lcd_rgb, m_rgb_address, 0x02, 255);
69 Jhd1313m1::~Jhd1313m1() {
79 Jhd1313m1::write (std::string msg) {
80 maa_result_t error = MAA_SUCCESS;
81 uint8_t data[2] = {0x40, 0};
82 for (std::string::size_type i = 0; i < msg.size(); ++i) {
84 error = maa_i2c_address (m_i2c_lcd_control, m_lcd_control_address);
85 error = maa_i2c_write (m_i2c_lcd_control, data, 2);
92 Jhd1313m1::setCursor (int row, int column) {
93 maa_result_t error = MAA_SUCCESS;
95 int row_addr[] = { 0x80, 0xc0, 0x14, 0x54};
96 uint8_t offset = ((column % 16) + row_addr[row]);
98 uint8_t data[2] = { 0x80, offset };
99 error = maa_i2c_address (m_i2c_lcd_control, m_lcd_control_address);
100 error = maa_i2c_write (m_i2c_lcd_control, data, 2);
106 Jhd1313m1::clear () {
107 return cmd (m_i2c_lcd_control, LCD_CLEARDISPLAY);
112 return cmd (m_i2c_lcd_control, LCD_RETURNHOME);
121 Jhd1313m1::setReg (maa_i2c_context ctx, int deviceAdress, int addr, uint8_t value) {
122 maa_result_t error = MAA_SUCCESS;
124 uint8_t data[2] = { addr, value };
125 error = maa_i2c_address (ctx, deviceAdress);
126 error = maa_i2c_write (ctx, data, 2);
132 Jhd1313m1::cmd (maa_i2c_context ctx, uint8_t value) {
133 maa_result_t error = MAA_SUCCESS;
135 uint8_t data[2] = { 0x80, value };
136 error = maa_i2c_address (ctx, m_lcd_control_address);
137 error = maa_i2c_write (ctx, data, 2);