implementation of power graph

This commit is contained in:
you69man 2024-01-02 11:36:14 +01:00
parent 135a1f8032
commit 954b4ff706
5 changed files with 240 additions and 62 deletions

View file

@ -60,12 +60,23 @@ class DisplayMono {
mLuminance = lum;
mDisplay->setContrast(mLuminance);
}
monoMaintainDispSwitchState();
}
protected:
U8G2* mDisplay;
DisplayData *mDisplayData;
float *mPgData=nullptr;
uint8_t mPgWidth=0;
uint8_t mPgHeight=0;
float mPgMaxPwr=0.0;
// float mPgMaxAvailPower = 0.0;
uint32_t mPgPeriod=0; // seconds
uint32_t mPgTimeOfDay=0;
uint8_t mPgLastPos=0;
uint8_t mType;
uint16_t mDispWidth;
uint16_t mDispHeight;
@ -81,9 +92,16 @@ class DisplayMono {
uint8_t mExtra;
int8_t mPixelshift=0;
TimeMonitor mDisplayTime = TimeMonitor(1000 * DISP_DEFAULT_TIMEOUT, true);
TimeMonitor mDispSwitchTime = TimeMonitor(10000, true);
uint8_t mDispSwitchState = 0;
bool mDisplayActive = true; // always start with display on
char mFmtText[DISP_FMT_TEXT_LEN];
enum _dispSwitchState {
d_POWER_TEXT = 0,
d_POWER_GRAPH = 1,
};
// Common initialization function to be called by subclasses
void monoInit(U8G2* display, uint8_t type, DisplayData *displayData) {
mDisplay = display;
@ -97,6 +115,133 @@ class DisplayMono {
mDispHeight = mDisplay->getDisplayHeight();
}
void monoMaintainDispSwitchState(void) {
switch(mDispSwitchState) {
case d_POWER_TEXT:
if (mDispSwitchTime.isTimeout()) {
mDispSwitchState = d_POWER_GRAPH;
mDispSwitchTime.startTimeMonitor(5000);
}
break;
case d_POWER_GRAPH:
if (mDispSwitchTime.isTimeout()) {
mDispSwitchState = d_POWER_TEXT;
mDispSwitchTime.startTimeMonitor(10000);
}
break;
}
}
void initPowerGraph(uint8_t width, uint8_t height) {
mPgWidth = width;
mPgHeight = height;
mPgData = new float[mPgWidth];
//memset(mPgData, 0, mPgWidth);
resetPowerGraph();
/*
Inverter<> *iv;
mPgMaxAvailPower = 0;
uint8_t nInv = mSys->getNumInverters();
for (uint8_t i = 0; i < nInv; i++) {
iv = mSys->getInverterByPos(i);
if (iv == NULL)
continue;
for (uint8_t ch = 0; ch < 6; ch++) {
mPgMaxAvailPower += iv->config->chMaxPwr[ch];
}
}
DBGPRINTLN("max. Power = " + String(mPgMaxAvailPower));*/
}
void resetPowerGraph() {
if (mPgData != nullptr) {
mPgMaxPwr = 0.0;
mPgLastPos = 0;
for (uint8_t i = 0; i < mPgWidth; i++)
mPgData[i] = 0.0;
}
}
uint8_t sss2pgpos(uint seconds_since_start) {
return(seconds_since_start * (mPgWidth - 1) / (mDisplayData->pGraphEndTime - mDisplayData->pGraphStartTime));
}
void calcPowerGraphValues() {
mPgPeriod = mDisplayData->pGraphEndTime - mDisplayData->pGraphStartTime; // length of power graph for scaling of x-axis
uint32_t oldTimeOfDay = mPgTimeOfDay;
mPgTimeOfDay = (mDisplayData->utcTs > mDisplayData->pGraphStartTime) ? mDisplayData->utcTs - mDisplayData->pGraphStartTime : 0; // current time of day with respect to current sunrise time
if (oldTimeOfDay > mPgTimeOfDay) // new day -> reset old data
resetPowerGraph();
mPgLastPos = std::min((uint8_t) (mPgTimeOfDay * (mPgWidth - 1) / mPgPeriod), (uint8_t) (mPgWidth - 1)); // current datapoint based on currenct time of day
}
void addPowerGraphEntry(float val) {
if (mDisplayData->utcTs > 0) { // precondition: utc time available
calcPowerGraphValues();
//mPgData[mPgLastPos] = std::max(mPgData[mPgLastPos], (uint8_t) (val * 255.0 / mPgMaxAvailPower)); // normalizing of data to 0-255
mPgData[mPgLastPos] = std::max(mPgData[mPgLastPos], val);
mPgMaxPwr = std::max(mPgMaxPwr, val); // max value of stored data for scaling of y-axis
}
}
uint8_t getPowerGraphXpos(uint8_t p) { //
if ((p <= mPgLastPos) && (mPgLastPos > 0))
return((p * (mPgWidth - 1)) / mPgLastPos); // scaling of x-axis
else
return(0);
}
uint8_t getPowerGraphYpos(uint8_t p) {
if (p < mPgWidth)
//return(((uint32_t) mPgData[p] * (uint32_t) mPgMaxAvailPower) * (uint32_t) mPgHeight / mPgMaxPwr / 255); // scaling of normalized data (0-255) to graph height
return((mPgData[p] * (uint32_t) mPgHeight / mPgMaxPwr)); // scaling of data to graph height
else
return(0);
}
void plotPowerGraph(uint8_t xoff, uint8_t yoff) {
// draw axes
mDisplay->drawLine(xoff, yoff, xoff, yoff - mPgHeight); // vertical axis
mDisplay->drawLine(xoff, yoff, xoff + mPgWidth, yoff); // horizontal axis
// draw X scale
tmElements_t tm;
breakTime(mDisplayData->pGraphEndTime, tm);
uint8_t endHourPg = tm.Hour;
breakTime(mDisplayData->utcTs, tm);
uint8_t endHour = std::min(endHourPg, tm.Hour);
breakTime(mDisplayData->pGraphStartTime, tm);
tm.Hour += 1;
tm.Minute = 0;
tm.Second = 0;
for (; tm.Hour <= endHour; tm.Hour++) {
uint8_t x_pos_screen = getPowerGraphXpos(sss2pgpos((uint32_t) makeTime(tm) - mDisplayData->pGraphStartTime)); // scale horizontal axis
mDisplay->drawPixel(xoff + x_pos_screen, yoff - 1);
}
// draw Y scale
uint16_t scale_y = 10;
uint32_t maxpwr_int = static_cast<uint8_t>(std::round(mPgMaxPwr));
if (maxpwr_int > 100)
scale_y = 100;
for (uint32_t i = scale_y; i <= maxpwr_int; i += scale_y) {
uint8_t ypos = yoff - static_cast<uint8_t>(std::round(i * (float) mPgHeight / mPgMaxPwr)); // scale vertical axis
mDisplay->drawPixel(xoff + 1, ypos);
}
// draw curve
for (uint8_t i = 1; i <= mPgLastPos; i++) {
mDisplay->drawLine(xoff + getPowerGraphXpos(i - 1), yoff - getPowerGraphYpos(i - 1),
xoff + getPowerGraphXpos(i), yoff - getPowerGraphYpos(i));
}
// print max power value
mDisplay->setFont(u8g2_font_4x6_tr);
snprintf(mFmtText, DISP_FMT_TEXT_LEN, "%dW", static_cast<uint16_t>(std::round(mPgMaxPwr)));
mDisplay->drawStr(xoff + 3, yoff - mPgHeight + 5, mFmtText);
}
// pixelshift screensaver with wipe effect
void calcPixelShift(int range) {
int8_t mod = (millis() / 10000) % ((range >> 1) << 2);
mPixelshift = mScreenSaver == 1 ? ((mod < range) ? mod - (range >> 1) : -(mod - range - (range >> 1) + 1)) : 0;