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#include "Display_ePaper.h"
#ifdef ESP8266
#include <ESP8266WiFi.h>
#elif defined(ESP32)
#include <WiFi.h>
#endif
#include "../../utils/helper.h"
#include "imagedata.h"
#if defined(ESP32)
static const uint32_t spiClk = 4000000; // 4 MHz
#if defined(ESP32) && defined(USE_HSPI_FOR_EPD)
SPIClass hspi(HSPI);
#endif
DisplayEPaper::DisplayEPaper() {
mDisplayRotation = 2;
mHeadFootPadding = 16;
}
//***************************************************************************
void DisplayEPaper::init(uint8_t type, uint8_t _CS, uint8_t _DC, uint8_t _RST, uint8_t _BUSY, uint8_t _SCK, uint8_t _MOSI, uint32_t *utcTs, const char *version) {
mUtcTs = utcTs;
if (type == 10) {
Serial.begin(115200);
_display = new GxEPD2_BW<GxEPD2_150_BN, GxEPD2_150_BN::HEIGHT>(GxEPD2_150_BN(_CS, _DC, _RST, _BUSY));
hspi.begin(_SCK, _BUSY, _MOSI, _CS);
#if defined(ESP32) && defined(USE_HSPI_FOR_EPD)
_display->epd2.selectSPI(hspi, SPISettings(spiClk, MSBFIRST, SPI_MODE0));
#endif
_display->init(115200, true, 2, false);
_display->setRotation(mDisplayRotation);
_display->setFullWindow();
// Logo
_display->fillScreen(GxEPD_BLACK);
_display->drawBitmap(0, 0, logo, 200, 200, GxEPD_WHITE);
while (_display->nextPage())
;
// clean the screen
delay(2000);
_display->fillScreen(GxEPD_WHITE);
while (_display->nextPage())
;
headlineIP();
// call the PowerPage to change the PV Power Values
actualPowerPaged(0, 0, 0, 0);
}
}
void DisplayEPaper::config(uint8_t rotation, bool enPowerSafe) {
mDisplayRotation = rotation;
mEnPowerSafe = enPowerSafe;
}
//***************************************************************************
void DisplayEPaper::fullRefresh() {
// screen complete black
_display->fillScreen(GxEPD_BLACK);
while (_display->nextPage())
;
delay(2000);
// screen complete white
_display->fillScreen(GxEPD_WHITE);
while (_display->nextPage())
;
}
//***************************************************************************
void DisplayEPaper::headlineIP() {
int16_t tbx, tby;
uint16_t tbw, tbh;
_display->setFont(&FreeSans9pt7b);
_display->setTextColor(GxEPD_WHITE);
_display->setPartialWindow(0, 0, _display->width(), mHeadFootPadding);
_display->fillScreen(GxEPD_BLACK);
do {
if ((WiFi.isConnected() == true) && (WiFi.localIP() > 0)) {
snprintf(_fmtText, sizeof(_fmtText), "%s", WiFi.localIP().toString().c_str());
} else {
snprintf(_fmtText, sizeof(_fmtText), "WiFi not connected");
}
_display->getTextBounds(_fmtText, 0, 0, &tbx, &tby, &tbw, &tbh);
uint16_t x = ((_display->width() - tbw) / 2) - tbx;
_display->setCursor(x, (mHeadFootPadding - 2));
_display->println(_fmtText);
} while (_display->nextPage());
}
//***************************************************************************
void DisplayEPaper::lastUpdatePaged() {
int16_t tbx, tby;
uint16_t tbw, tbh;
_display->setFont(&FreeSans9pt7b);
_display->setTextColor(GxEPD_WHITE);
_display->setPartialWindow(0, _display->height() - mHeadFootPadding, _display->width(), mHeadFootPadding);
_display->fillScreen(GxEPD_BLACK);
do {
if (NULL != mUtcTs) {
snprintf(_fmtText, sizeof(_fmtText), ah::getDateTimeStr(gTimezone.toLocal(*mUtcTs)).c_str());
_display->getTextBounds(_fmtText, 0, 0, &tbx, &tby, &tbw, &tbh);
uint16_t x = ((_display->width() - tbw) / 2) - tbx;
_display->setCursor(x, (_display->height() - 3));
_display->println(_fmtText);
}
} while (_display->nextPage());
}
//***************************************************************************
void DisplayEPaper::offlineFooter() {
int16_t tbx, tby;
uint16_t tbw, tbh;
_display->setFont(&FreeSans9pt7b);
_display->setTextColor(GxEPD_WHITE);
_display->setPartialWindow(0, _display->height() - mHeadFootPadding, _display->width(), mHeadFootPadding);
_display->fillScreen(GxEPD_BLACK);
do {
if (NULL != mUtcTs) {
snprintf(_fmtText, sizeof(_fmtText), "offline");
_display->getTextBounds(_fmtText, 0, 0, &tbx, &tby, &tbw, &tbh);
uint16_t x = ((_display->width() - tbw) / 2) - tbx;
_display->setCursor(x, (_display->height() - 3));
_display->println(_fmtText);
}
} while (_display->nextPage());
}
//***************************************************************************
void DisplayEPaper::actualPowerPaged(float totalPower, float totalYieldDay, float totalYieldTotal, uint8_t isprod) {
int16_t tbx, tby;
uint16_t tbw, tbh, x, y;
_display->setFont(&FreeSans24pt7b);
_display->setTextColor(GxEPD_BLACK);
_display->setPartialWindow(0, mHeadFootPadding, _display->width(), _display->height() - (mHeadFootPadding * 2));
_display->fillScreen(GxEPD_WHITE);
do {
if (totalPower > 9999) {
snprintf(_fmtText, sizeof(_fmtText), "%.1f kW", (totalPower / 10000));
_changed = true;
} else if ((totalPower > 0) && (totalPower <= 9999)) {
snprintf(_fmtText, sizeof(_fmtText), "%.0f W", totalPower);
_changed = true;
} else {
snprintf(_fmtText, sizeof(_fmtText), "offline");
}
if (totalPower == 0){
_display->fillRect(0, mHeadFootPadding, 200,200, GxEPD_BLACK);
_display->drawBitmap(0, 0, logo, 200, 200, GxEPD_WHITE);
} else {
_display->getTextBounds(_fmtText, 0, 0, &tbx, &tby, &tbw, &tbh);
x = ((_display->width() - tbw) / 2) - tbx;
_display->setCursor(x, mHeadFootPadding + tbh + 10);
_display->print(_fmtText);
_display->setFont(&FreeSans12pt7b);
y = _display->height() / 2;
_display->setCursor(5, y);
_display->print("today:");
snprintf(_fmtText, _display->width(), "%.0f", totalYieldDay);
_display->getTextBounds(_fmtText, 0, 0, &tbx, &tby, &tbw, &tbh);
x = ((_display->width() - tbw) / 2) - tbx;
_display->setCursor(x, y);
_display->print(_fmtText);
_display->setCursor(_display->width() - 38, y);
_display->println("Wh");
y = y + tbh + 7;
_display->setCursor(5, y);
_display->print("total:");
snprintf(_fmtText, _display->width(), "%.1f", totalYieldTotal);
_display->getTextBounds(_fmtText, 0, 0, &tbx, &tby, &tbw, &tbh);
x = ((_display->width() - tbw) / 2) - tbx;
_display->setCursor(x, y);
_display->print(_fmtText);
_display->setCursor(_display->width() - 50, y);
_display->println("kWh");
_display->setCursor(10, _display->height() - (mHeadFootPadding + 10));
snprintf(_fmtText, sizeof(_fmtText), "%d Inverter online", isprod);
_display->println(_fmtText);
}
} while (_display->nextPage());
}
//***************************************************************************
void DisplayEPaper::loop(float totalPower, float totalYieldDay, float totalYieldTotal, uint8_t isprod) {
// check if the IP has changed
if (_settedIP != WiFi.localIP().toString().c_str()) {
// save the new IP and call the Headline Funktion to adapt the Headline
_settedIP = WiFi.localIP().toString().c_str();
headlineIP();
}
// call the PowerPage to change the PV Power Values
actualPowerPaged(totalPower, totalYieldDay, totalYieldTotal, isprod);
// if there was an change and the Inverter is producing set a new Timestamp in the footline
if ((isprod > 0) && (_changed)) {
_changed = false;
lastUpdatePaged();
} else if((0 == totalPower) && (mEnPowerSafe))
offlineFooter();
_display->powerOff();
}
//***************************************************************************
#endif // ESP32