static D4D_COLOR D4D_SldrComputeColorBar(D4D_OBJECT* pThis, D4D_SLIDER_VALUE value)
{
D4D_SLIDER* pSldr = D4D_GET_SLIDER(pThis);
Byte shade;
D4D_CLR_SCHEME *pScheme_tmp = D4D_ObjectGetScheme(pThis);
if(value >= pSldr->pData->limits.valueOrg)
shade = D4D_MulDivUU8((Byte)(value - pSldr->pData->limits.valueOrg), 255, \
(Byte)(pSldr->pData->limits.valueMax - pSldr->pData->limits.valueOrg));
else
shade = D4D_MulDivUU8((Byte)(pSldr->pData->limits.valueOrg - value), 255, \
(Byte)(pSldr->pData->limits.valueOrg - pSldr->pData->limits.valueMin));
return D4D_GetCrossColor(pScheme_tmp->objectDepend.slider.barStart, pScheme_tmp->objectDepend.slider.barEnd, shade);
}
// Screen "Main" function called periodically in each D4D_poll runs
static void ScreenMain_OnMain()
{
// if music is enabled
if(musicEnable)
{
// each 100ms
if(time.bits.b100ms)
{
Byte tmp_output;
time.bits.b100ms = 0;
// add new data into "input audio signal" graph
D4D_GraphAddTracesData(&scrMain_graph, pDummyMusic);
// if left output signal is enable (check the check box)
if(D4D_CheckBoxGetValue(&scrMain_checkBxLeft))
{
// modify the input signal to fit to the gauge
tmp_output = (Byte)(255 - pDummyMusic[0]);
tmp_output /= 2;
// Compute with volume of signal
tmp_output = D4D_MulDivUU8(tmp_output, (Byte)(D4D_SldrGetValue(&scrMain_sldrVol)), 32);
// Compute with balance of signal
if(D4D_SldrGetValue(&scrMain_sldrBalance) > 0)
tmp_output = D4D_MulDivUU8(tmp_output, (Byte)(17 - D4D_SldrGetValue(&scrMain_sldrBalance)), 16);
D4D_GaugSetValue(&scrMain_gaugeLeft, (D4D_GAUGE_VALUE)(tmp_output));
}
// if left output signal is enable (check the check box)
if(D4D_CheckBoxGetValue(&scrMain_checkBxRight))
{
// modify the input signal to fit to the gauge
tmp_output = (Byte)(255 - pDummyMusic[1]);
tmp_output /= 2;
// Compute with volume of signa
tmp_output = D4D_MulDivUU8(tmp_output, (Byte)(D4D_SldrGetValue(&scrMain_sldrVol)), 32);
// Compute with balance of signal
if(D4D_SldrGetValue(&scrMain_sldrBalance) < 0)
tmp_output = D4D_MulDivUU8(tmp_output, (Byte)(17 + D4D_SldrGetValue(&scrMain_sldrBalance)), 16);
D4D_GaugSetValue(&scrMain_gaugeRight, (D4D_GAUGE_VALUE)(tmp_output));
}
// update pointer to dummy data in memory of MCU
pDummyMusic += 2;
}
}
}
static D4D_COLOR D4D_PrgrsBarComputeColorBar(D4D_OBJECT* pThis, D4D_PROGRESS_BAR_VALUE value)
{
D4D_CLR_SCHEME *pScheme_tmp = D4D_ObjectGetScheme(pThis);
return D4D_GetCrossColor(pScheme_tmp->objectDepend.progressBar.barFore, pScheme_tmp->objectDepend.progressBar.barEnd, D4D_MulDivUU8(value, 255, D4D_COLOR_PRGRS_BAR_MAX_VAL));
}
