mbed_display_manager.cpp

00001 #include "mbed_display_manager.hpp"
00002 #include <iostream>
00003 
00004 using namespace ext_text_lcd;
00005 
00006 MbedDisplayManager::MbedDisplayManager() :
00007     lcd(p28, p27, Port2, 0, TextLCD::LCD16x2), pos(0)
00008 {
00009     std::cout << "Init Display" << "\r" << std::endl;     
00010 }
00011 
00012 void MbedDisplayManager::moveTo(std::size_t pos) 
00013 {
00014     std::cout << "Display moveTo " << pos << "\r" << std::endl;
00015     this->pos = pos;
00016     updateCursor();
00017 }
00018 
00019 void MbedDisplayManager::writeStatus(const std::string &text)
00020 {
00021     std::cout << "Display write status '" << text << "'\r" << std::endl;
00022     writeAt(0, text);
00023 }
00024 
00025 void MbedDisplayManager::writeText(const std::string &text)
00026 {
00027     std::cout << "Display write text '" << text << "'\r" << std::endl;
00028     writeAt(1, text);
00029 }
00030 
00031 void MbedDisplayManager::writeAt(std::size_t row, const std::string &text)
00032 {
00033     std::size_t len = text.size();
00034     std::string str = (text + std::string(20 - len, ' '));
00035     lcd.locate(0, row);
00036     lcd.printf(str.c_str());
00037     updateCursor();
00038 }
00039     
00040 void MbedDisplayManager::updateCursor()
00041 {
00042     lcd.locate(pos, 1);
00043 }
00044 
00045 void MbedDisplayManager:: showCursor()
00046 {
00047     std::cout << "Display showCursor" << "\r" << std::endl;     
00048     lcd.setDisplayControl(TextLCD::DisplayOn, TextLCD::CursorOn, TextLCD::BlinkingCursor);
00049 }
00050 
00051 void MbedDisplayManager:: hideCursor()
00052 {
00053     std::cout << "Display hideCursor" << "\r" << std::endl;     
00054     lcd.setDisplayControl(TextLCD::DisplayOn, TextLCD::CursorOff);
00055 }
00056 
00057 void MbedDisplayManager:: clear()
00058 {
00059     std::cout << "Display clear" << "\r" << std::endl;     
00060     lcd.cls();
00061 }