static void doChangeDACWaveform(TouchButton * const aTheTouchedButton, int16_t aValue) {
FeedbackToneOK();
sActualWaveform++;
if (sActualWaveform == WAVEFORM_NOISE) {
DAC_ModeNoise();
DAC_Start();
} else if (sActualWaveform > WAVEFORM_MAX) {
sActualWaveform = WAVEFORM_TRIANGLE;
DAC_ModeTriangle();
DAC_Start();
}
aTheTouchedButton->setCaption(WaveformStrings[sActualWaveform]);
aTheTouchedButton->drawButton();
}
void doDACStop(TouchButton * const aTheTouchedButton, int16_t aValue) {
FeedbackToneOK();
aValue = !aValue;
if (aValue) {
aTheTouchedButton->setCaption(StringStop);
DAC_Start();
} else {
DAC_Stop();
aTheTouchedButton->setCaption(StringStart);
}
aTheTouchedButton->setRedGreenButtonColorAndDraw(aValue);
}
void startDACPage(void) {
BlueDisplay1.clearDisplay(COLOR_BACKGROUND_DEFAULT);
TouchSlider::setDefaultBarColor(TOUCHSLIDER_DEFAULT_BAR_COLOR);
TouchSlider::setDefaultSliderColor(COLOR_BLUE);
//1. row
int tPosY = 0;
TouchButtonStartStop = TouchButton::allocAndInitSimpleButton(BUTTON_WIDTH_3_POS_2, tPosY, BUTTON_WIDTH_3, BUTTON_HEIGHT_4,
COLOR_RED, StringStop, TEXT_SIZE_22, BUTTON_FLAG_DO_BEEP_ON_TOUCH, true, &doDACStop);
TouchButtonStartStop->setRedGreenButtonColor();
initMainHomeButtonWithPosition(BUTTON_WIDTH_3_POS_3, 0, false);
//2. row
tPosY += BUTTON_HEIGHT_4_LINE_2;
// Frequency slider
TouchSliderHorizontal.initSlider(FREQUENCY_SLIDER_START_X, tPosY, DAC_SLIDER_SIZE, MAX_SLIDER_VALUE, MAX_SLIDER_VALUE,
sLastFrequencySliderValue, "Frequency", TOUCHSLIDER_DEFAULT_TOUCH_BORDER,
TOUCHSLIDER_SHOW_BORDER | TOUCHSLIDER_IS_HORIZONTAL, &doDACFrequencySlider, NULL);
// 3. row
tPosY += BUTTON_HEIGHT_4_LINE_2;
TouchButtonSetWaveform = TouchButton::allocAndInitSimpleButton(BUTTON_WIDTH_3_POS_2, tPosY, BUTTON_WIDTH_3, BUTTON_HEIGHT_4,
COLOR_RED, StringTriangle, TEXT_SIZE_11, BUTTON_FLAG_DO_BEEP_ON_TOUCH, 1, &doChangeDACWaveform);
TouchButtonAutorepeatFrequencyMinus = TouchButtonAutorepeat::allocAndInitSimpleButton(FREQUENCY_SLIDER_START_X + 6, tPosY,
BUTTON_WIDTH_5, BUTTON_HEIGHT_4, COLOR_RED, StringMinus, TEXT_SIZE_22, 1, &doChangeDACFrequency);
TouchButtonAutorepeatFrequencyPlus = TouchButtonAutorepeat::allocAndInitSimpleButton(230, tPosY, BUTTON_WIDTH_5,
BUTTON_HEIGHT_4, COLOR_RED, StringPlus, TEXT_SIZE_22, -1, &doChangeDACFrequency);
TouchButtonAutorepeatFrequencyMinus->setButtonAutorepeatTiming(600, 100, 10, 20);
TouchButtonAutorepeatFrequencyPlus->setButtonAutorepeatTiming(600, 100, 10, 20);
//Amplitude slider
TouchSliderVertical.initSlider(5, 20, DAC_SLIDER_SIZE, VERTICAL_SLIDER_MAX_VALUE, VERTICAL_SLIDER_MAX_VALUE,
sLastAmplitudeSliderValue, "Amplitude", TOUCHSLIDER_DEFAULT_TOUCH_BORDER,
TOUCHSLIDER_SHOW_BORDER | TOUCHSLIDER_SHOW_VALUE, &doDACVolumeSlider, &mapDACVolumeValue);
//Offset slider
TouchSliderVertical2.initSlider(BlueDisplay1.getDisplayWidth() - (TOUCHSLIDER_OVERALL_SIZE_FACTOR * DAC_SLIDER_SIZE) - 1, 20,
DAC_SLIDER_SIZE, VERTICAL_SLIDER_MAX_VALUE, VERTICAL_SLIDER_MAX_VALUE / 2, sLastOffsetSliderValue, "Offset",
TOUCHSLIDER_DEFAULT_TOUCH_BORDER, TOUCHSLIDER_SHOW_BORDER | TOUCHSLIDER_SHOW_VALUE, &doDACOffsetSlider,
&mapDACOffsetValue);
TouchSliderVertical2.setXOffsetValue(-(2 * TEXT_SIZE_11_WIDTH));
// draw buttons and slider
drawDACPage();
registerSimpleResizeAndReconnectCallback(&drawDACPage);
ComputeFrequencyAndSetTimer(ComputeReloadValue(sLastFrequencySliderValue), true);
DAC_Start();
}
/*******************************************************************************
* Function Name : DAC_Demo
* Description : DAC_Demo function
* Input : None.
* Return : None.
*******************************************************************************/
void DAC_Demo(void)
{
DAC_InitTypeDef InitStruct;
TMRB_InitTypeDef m_tmrb;
/* DA0 Config */
DAC_Start(TSB_DA0);
InitStruct.DACClear = DAC_CLEAR;
InitStruct.PostTime = 15U;
InitStruct.PreTime = 8U;
InitStruct.Offset = DAC_0DIV8_VDD;
InitStruct.AmpSel = DAC_1DIV4_VDD;
InitStruct.TrgSel = DAC_TRG_TMRB2;
InitStruct.TrgFunc = DAC_TRG_ENABLE;
InitStruct.DMAFunc = DAC_DMA_DISABLE;
InitStruct.Wave = DAC_TRIANGLE_WAVE;
DAC_Init(TSB_DA0, &InitStruct);
DAC_SetOutputCode(TSB_DA0,0x3FFU);
/*TMRB Config*/
m_tmrb.Mode = TMRB_INTERVAL_TIMER;
m_tmrb.ClkDiv = TMRB_CLK_DIV_8;
m_tmrb.Cycle = TMRB_DAC;
m_tmrb.UpCntCtrl = TMRB_AUTO_CLEAR;
m_tmrb.Duty = TMRB_DAC;
TMRB_Enable(TSB_TB2);
TMRB_Init(TSB_TB2, &m_tmrb);
NVIC_EnableIRQ(INTTB2_IRQn);
TMRB_SetRunState(TSB_TB2, TMRB_RUN);
while(1){
}
}
