112 lines
2.7 KiB
C++
112 lines
2.7 KiB
C++
// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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#include <QDebug>
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#include "calc_main.h"
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#include "../src/lcd.h"
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#include "calculator.h"
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Calculator::Calculator(QObject *parent) :
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QObject(parent),
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lcd_thread(*this),
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m_lcdText("calculator initial text")
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{
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qDebug() << "Starting lcd thread";
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lcd_thread.start();
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qDebug() << "lcd thread started";
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qDebug() << "Starting calculator thread";
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calc_thread.start();
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qDebug() << "calculator thread started";
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updateLcd();
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}
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Calculator::~Calculator(){
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quit();
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while (!calc_thread.isFinished()); //TODO: timeout
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while (!lcd_thread.isFinished()); //TODO: timeout
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}
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void Calculator::quit(){
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ExitCalcMain = 1;
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LcdAvailable.release();
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KeysAvailable.release();
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qDebug() << "quitting...";
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}
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void Calculator::buttonClicked(const QString& in) {
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QStringList split = in.split(",");
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int8_t row = split[0].toInt();
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int8_t col = split[1].toInt();
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//translate column from left indexed, to right indexed
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static const int NUM_COLS = 4;
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col = (NUM_COLS - 1) - col;
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//get keycode
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int8_t keycode = col + NUM_COLS*row;
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// qDebug() << "keycode: " << keycode;
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// qDebug() << " row: " << row << ", col: " << col;
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//push keycode
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#define INCR_NEW_KEY_I(i) i = (i + 1) & 3
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if (!NewKeyEmpty && (new_key_write_i == new_key_read_i)){
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printf("ERROR: key fifo full\n");
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return;
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}
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NewKeyBuf[new_key_write_i] = keycode;
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INCR_NEW_KEY_I(new_key_write_i);
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NewKeyEmpty = 0;
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KeysAvailable.release();
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}
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void Calculator::updateLcd() {
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QString tmp("lcd text:\n");
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const char* lcd_buf = get_lcd_buf();
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for (int i = 0; i < MAX_ROWS; i++){
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tmp += "|";
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for (int j = 0; j < MAX_CHARS_PER_LINE; j++){
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tmp += lcd_buf[j + i*MAX_CHARS_PER_LINE];
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}
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tmp += "|\n";
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}
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// qDebug() << "update lcd:" << tmp.toStdString().c_str();
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setLcdText(tmp);
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}
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void Calculator::setLcdText(const QString &lcdText){
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m_lcdText = lcdText;
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emit lcdTextChanged();
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}
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CalcLcdThread::CalcLcdThread(Calculator &calc) :
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m_calc(calc)
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{
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}
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void CalcLcdThread::run(){
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while(1){
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if (ExitCalcMain){
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return;
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}
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LcdAvailable.acquire();
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m_calc.updateLcd();
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}
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}
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void CalcMainThread::run() {
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calc_main();
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}
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