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) : I2CLcd(bus, lcdAddress) {
33 mraa_result_t error = MRAA_SUCCESS;
35 m_rgb_address = rgbAddress;
36 m_i2c_lcd_rgb = mraa_i2c_init(m_bus);
38 mraa_result_t ret = mraa_i2c_address(m_i2c_lcd_rgb, m_rgb_address);
39 if (ret != MRAA_SUCCESS) {
40 fprintf(stderr, "Messed up i2c bus\n");
44 i2Cmd (m_i2c_lcd_control, LCD_FUNCTIONSET | LCD_2LINE);
46 i2Cmd (m_i2c_lcd_control, LCD_FUNCTIONSET | LCD_2LINE);
48 i2Cmd (m_i2c_lcd_control, LCD_FUNCTIONSET | LCD_2LINE);
50 i2Cmd (m_i2c_lcd_control, LCD_FUNCTIONSET | LCD_2LINE);
52 i2Cmd (m_i2c_lcd_control, LCD_DISPLAYCONTROL | LCD_DISPLAYON);
56 i2Cmd (m_i2c_lcd_control, LCD_ENTRYMODESET |
58 LCD_ENTRYSHIFTDECREMENT);
60 i2cReg (m_i2c_lcd_rgb, m_rgb_address, 0, 0);
61 i2cReg (m_i2c_lcd_rgb, m_rgb_address, 1, 0);
62 i2cReg (m_i2c_lcd_rgb, m_rgb_address, 0x08, 0xAA);
64 i2cReg (m_i2c_lcd_rgb, m_rgb_address, 0x04, 255);
65 i2cReg (m_i2c_lcd_rgb, m_rgb_address, 0x03, 255);
66 i2cReg (m_i2c_lcd_rgb, m_rgb_address, 0x02, 255);
69 Jhd1313m1::~Jhd1313m1() {
74 Jhd1313m1::setColor(uint8_t r, uint8_t g, uint8_t b)
76 i2cReg (m_i2c_lcd_rgb, m_rgb_address, 0, 0);
77 i2cReg (m_i2c_lcd_rgb, m_rgb_address, 1, 0);
78 i2cReg (m_i2c_lcd_rgb, m_rgb_address, 0x08, 0xAA);
80 i2cReg (m_i2c_lcd_rgb, m_rgb_address, 0x04, r);
81 i2cReg (m_i2c_lcd_rgb, m_rgb_address, 0x03, g);
82 i2cReg (m_i2c_lcd_rgb, m_rgb_address, 0x02, b);
93 Jhd1313m1::write (std::string msg) {
94 mraa_result_t error = MRAA_SUCCESS;
95 uint8_t data[2] = {0x40, 0};
96 for (std::string::size_type i = 0; i < msg.size(); ++i) {
97 error = i2cData (m_i2c_lcd_control, msg[i]);
104 Jhd1313m1::setCursor (int row, int column) {
105 mraa_result_t error = MRAA_SUCCESS;
106 int row_addr[] = { 0x80, 0xc0, 0x14, 0x54};
107 uint8_t offset = ((column % 16) + row_addr[row]);
108 error = i2Cmd (m_i2c_lcd_control, offset);
114 Jhd1313m1::clear () {
115 return i2Cmd (m_i2c_lcd_control, LCD_CLEARDISPLAY);
120 return i2Cmd (m_i2c_lcd_control, LCD_RETURNHOME);