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