void Timer_t::SetUpdateFrequency(uint32_t FreqHz) {
#if defined STM32F2XX || defined STM32F4XX
if(ANY_OF_5(ITmr, TIM1, TIM8, TIM9, TIM10, TIM11)) // APB2 is clock src
SetTopValue((*PClk * Clk.TimerAPB2ClkMulti) / FreqHz);
else // APB1 is clock src
SetTopValue((*PClk * Clk.TimerAPB1ClkMulti) / FreqHz);
#elif defined STM32L1XX
uint32_t TopVal;
if(ANY_OF_3(ITmr, TIM9, TIM10, TIM11)) // APB2 is clock src
TopVal = ((*PClk * Clk.Timer9_11ClkMulti) / FreqHz) - 1;
else TopVal = ((*PClk * Clk.Timer2_7ClkMulti) / FreqHz) - 1;
// Uart.Printf("Topval = %u\r", TopVal);
SetTopValue(TopVal);
#else
// uint32_t UpdFreqMax = *PClk / (ITmr->ARR + 1);
#endif
ITmr->CNT = 0; // Reset counter to start from scratch
//#if defined STM32F2XX || defined STM32F4XX
// uint32_t UpdFreqMax;
// if(ANY_OF_5(ITmr, TIM1, TIM8, TIM9, TIM10, TIM11)) // APB2 is clock src
// UpdFreqMax = (*PClk) * Clk.TimerAPB2ClkMulti / (ITmr->ARR + 1);
// else // APB1 is clock src
// UpdFreqMax = (*PClk) * Clk.TimerAPB1ClkMulti / (ITmr->ARR + 1);
//#else
// uint32_t UpdFreqMax = *PClk / (ITmr->ARR + 1);
//#endif
// uint32_t div = UpdFreqMax / FreqHz;
// if(div != 0) div--;
// ITmr->PSC = div;
// Uart.Printf("\r FMax=%u; div=%u", UpdFreqMax, div);
}
void cScrollBar::DragMove(int y)
{ // ScrollBar is being dragged, so update bar position and send new position to scrollbar's parent
// this function should be called only by mousemove detection after dragging is initiated
int NPos = y - m_YPos;
// set current bar position based on movement
if (NPos <= m_DragInitYPos)
m_BarTop = 0;
else if (NPos - m_DragInitYPos + m_BarHeight >= m_SectionHeight)
m_BarTop = m_SectionHeight - m_BarHeight;
else
m_BarTop = NPos - m_DragInitYPos;
int lastitem = m_ItemsTotal - m_ItemsVisible;
int maxtop = m_SectionHeight - m_BarHeight;
int listpos = 0;
// extrapolate first visible item based on bar position, set it
if (m_BarTop == 0) // first item
listpos = 0;
else if (m_BarTop >= maxtop) // last item
listpos = lastitem;
else // anywhere else between; the 0.5 added is to make it effectively "round" instead of "floor"
listpos = (int) ( (double)m_BarTop * ((double)lastitem / (double)maxtop) + 0.5 );
if(ParentPosition) // send updated position back to parent control
{
*ParentPosition = listpos;
if(m_UpdateSelf)
SetTopValue(listpos);
}
}
void MainWindow::on_pushButtonTimes_clicked()
{
SetBeforeValues();
SetTopValue(ui->doubleTopValue->value() *ui->doubleBottomValue->value());
AddtoTextBox(mBeforeTop+ " * "+mBeforeBottom + " = " +ui->doubleTopValue->text() );
}
void MainWindow::on_pushButtonDivide_clicked()
{
if(ui->doubleBottomValue->value() != 0){
SetBeforeValues();
SetTopValue(ui->doubleTopValue->value() /ui->doubleBottomValue->value());
AddtoTextBox(mBeforeTop+ " / "+mBeforeBottom + " = " +ui->doubleTopValue->text() );
}
else
QMessageBox::information(this,"Error","Can't divide by zero.");
}
bool cScrollBar::ButtonClicked(int x, int y, bool mouseWheelDown, bool mouseWheelUp)
{
if(m_Disabled || m_Hidden || !ParentPosition)
return false;
if(IsOver(x,y))
{
int newpos = m_ItemTop;
if (mouseWheelUp)
newpos -= m_ScrollAmount;
else if (mouseWheelDown)
newpos += m_ScrollAmount;
// clicked on "up" button; scroll up small amount
else if (y <= m_YPos + m_ImgButtonUp->h)
newpos -= m_ScrollAmount;
// clicked on "down" button; scroll down small amount
else if (y >= m_YPos + m_Height - m_ImgButtonUp->h)
newpos += m_ScrollAmount;
// clicked in bar space above actual scroll bar; scroll up large amount
else if (y < m_YPos + m_BarTop + m_ImgButtonUp->h)
newpos -= m_PageAmount;
// clicked in bar space below actual scroll bar; scroll down large amount
else if (y > m_YPos + m_BarTop + m_BarHeight + m_ImgButtonUp->h)
newpos += m_PageAmount;
if(newpos != m_ItemTop)
{
if(newpos > m_ItemsTotal - m_ItemsVisible)
newpos = m_ItemsTotal - m_ItemsVisible;
else if(newpos < 0)
newpos = 0;
*ParentPosition = newpos;
if(m_UpdateSelf)
SetTopValue(newpos);
}
return true;
}
return false;
}
void MainWindow::on_pushButtonSqrt_clicked()
{
if(ui->doubleTopValue->value() < 0)
{
QMessageBox::information(this,"Error","Can't SQRT less than zero.");
}
else
{
SetBeforeValues();
SetTopValue(qSqrt( ui->doubleTopValue->value()));
AddtoTextBox(" SQRT ( "+mBeforeTop+ ") = " +ui->doubleTopValue->text() );
}
}
