diff options
Diffstat (limited to 'peripheral/libupm/src/lcd/ssd1308.cxx')
-rw-r--r-- | peripheral/libupm/src/lcd/ssd1308.cxx | 170 |
1 files changed, 0 insertions, 170 deletions
diff --git a/peripheral/libupm/src/lcd/ssd1308.cxx b/peripheral/libupm/src/lcd/ssd1308.cxx deleted file mode 100644 index 7adc830..0000000 --- a/peripheral/libupm/src/lcd/ssd1308.cxx +++ /dev/null @@ -1,170 +0,0 @@ -/* - * Author: Yevgeniy Kiveisha <yevgeniy.kiveisha@intel.com> - * Copyright (c) 2014 Intel Corporation. - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sublicense, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE - * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION - * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -#include <stdexcept> -#include <string> -#include <unistd.h> - -#include "hd44780_bits.h" -#include "ssd1308.h" - -using namespace upm; - -SSD1308::SSD1308(int bus_in, int addr_in) : m_i2c_lcd_control(bus_in) -{ - m_lcd_control_address = addr_in; - m_name = "SSD1308"; - - mraa::Result error = m_i2c_lcd_control.address(m_lcd_control_address); - if (error != mraa::SUCCESS) { - throw std::invalid_argument(std::string(__FUNCTION__) + - ": I2c.address() failed"); - return; - } - - m_i2c_lcd_control.writeReg(LCD_CMD, DISPLAY_CMD_OFF); // display off - usleep(4500); - m_i2c_lcd_control.writeReg(LCD_CMD, DISPLAY_CMD_ON); // display on - usleep(4500); - setNormalDisplay(); // set to normal display '1' is ON - - clear(); - setAddressingMode(PAGE); -} - -SSD1308::~SSD1308() -{ -} - -mraa::Result -SSD1308::draw(uint8_t* data, int bytes) -{ - mraa::Result error = mraa::SUCCESS; - - setAddressingMode(HORIZONTAL); - for (int idx = 0; idx < bytes; idx++) { - m_i2c_lcd_control.writeReg(LCD_DATA, data[idx]); - } - - return error; -} - -/* - * ************** - * virtual area - * ************** - */ -mraa::Result -SSD1308::write(std::string msg) -{ - mraa::Result error = mraa::SUCCESS; - uint8_t data[2] = { 0x40, 0 }; - - setAddressingMode(PAGE); - for (std::string::size_type i = 0; i < msg.size(); ++i) { - writeChar(msg[i]); - } - - return error; -} - -mraa::Result -SSD1308::setCursor(int row, int column) -{ - mraa::Result error = mraa::SUCCESS; - - error = m_i2c_lcd_control.writeReg(LCD_CMD, BASE_PAGE_START_ADDR + row); // set page address - error = m_i2c_lcd_control.writeReg(LCD_CMD, - BASE_LOW_COLUMN_ADDR + (8 * column & 0x0F)); // set column - // lower address - error = m_i2c_lcd_control.writeReg(LCD_CMD, - BASE_HIGH_COLUMN_ADDR + - ((8 * column >> 4) & 0x0F)); // set column higher address - - return error; -} - -mraa::Result -SSD1308::clear() -{ - mraa::Result error = mraa::SUCCESS; - uint8_t columnIdx, rowIdx; - - m_i2c_lcd_control.writeReg(LCD_CMD, DISPLAY_CMD_OFF); // display off - for (rowIdx = 0; rowIdx < 8; rowIdx++) { - setCursor(rowIdx, 0); - - // clear all columns - for (columnIdx = 0; columnIdx < 16; columnIdx++) { - writeChar(' '); - } - } - m_i2c_lcd_control.writeReg(LCD_CMD, DISPLAY_CMD_ON); // display on - home(); - - return mraa::SUCCESS; -} - -mraa::Result -SSD1308::home() -{ - return setCursor(0, 0); -} - -/* - * ************** - * private area - * ************** - */ -mraa::Result -SSD1308::writeChar(uint8_t value) -{ - mraa::Result rv; - if (value < 0x20 || value > 0x7F) { - value = 0x20; // space - } - - for (uint8_t idx = 0; idx < 8; idx++) { - rv = m_i2c_lcd_control.writeReg(LCD_DATA, BasicFont[value - 32][idx]); - } - - return rv; -} - -mraa::Result -SSD1308::setNormalDisplay() -{ - return m_i2c_lcd_control.writeReg(LCD_CMD, - DISPLAY_CMD_SET_NORMAL_1308); // set to normal display '1' is - // ON -} - -mraa::Result -SSD1308::setAddressingMode(displayAddressingMode mode) -{ - mraa::Result rv; - rv =m_i2c_lcd_control.writeReg(LCD_CMD, DISPLAY_CMD_MEM_ADDR_MODE); // set addressing mode - rv =m_i2c_lcd_control.writeReg(LCD_CMD, mode); // set page addressing mode - return rv; -} |