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esp32-nmea2000-obp60
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Add undervoltage for LiPo accu for OBP40

This commit is contained in:
norbert-walter 2025-01-24 17:33:34 +01:00
parent bba24ac2fc
commit e9ee49a6ef
1 changed files with 36 additions and 3 deletions
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39
lib/obp60task/obp60task.cpp
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@ -308,13 +308,42 @@ void registerAllPages(PageList &list){
// Undervoltage detection for shutdown display
void underVoltageDetection(GwApi *api, CommonData &common){
float actVoltage = 0;
float minVoltage = 0;
// Read settings
float vslope = uint(api->getConfig()->getConfigItem(api->getConfig()->vSlope,true)->asFloat());
float voffset = uint(api->getConfig()->getConfigItem(api->getConfig()->vOffset,true)->asFloat());
// Read supply voltage
float actVoltage = (float(analogRead(OBP_ANALOG0)) * 3.3 / 4096 + 0.17) * 20; // V = 1/20 * Vin
#if defined VOLTAGE_SENSOR && defined LIPO_ACCU_1200
actVoltage = (float(analogRead(OBP_ANALOG0)) * 3.3 / 4096 + 0.53) * 2; // Vin = 1/2 for OBP40
minVoltage = 3.65; // Absolut minimum volatge for 3,7V LiPo accu
#else
actVoltage = (float(analogRead(OBP_ANALOG0)) * 3.3 / 4096 + 0.17) * 20; // Vin = 1/20 for OBP60
minVoltage = MIN_VOLTAGE;
#endif
actVoltage = actVoltage * vslope + voffset;
if(actVoltage < MIN_VOLTAGE){
if(actVoltage < minVoltage){
#if defined VOLTAGE_SENSOR && defined LIPO_ACCU_1200
// Switch off all power lines
setPortPin(OBP_BACKLIGHT_LED, false); // Backlight Off
setFlashLED(false); // Flash LED Off
buzzer(TONE4, 20); // Buzzer tone 4kHz 20ms
// Shutdown EInk display
getdisplay().setFullWindow(); // Set full Refresh
//getdisplay().setPartialWindow(0, 0, getdisplay().width(), getdisplay().height()); // Set partial update
getdisplay().fillScreen(common.bgcolor); // Clear screen
getdisplay().setTextColor(common.fgcolor);
getdisplay().setFont(&Ubuntu_Bold20pt7b);
getdisplay().setCursor(65, 150);
getdisplay().print("Undervoltage");
getdisplay().setFont(&Ubuntu_Bold8pt7b);
getdisplay().setCursor(65, 175);
getdisplay().print("To wake up press reset");
getdisplay().nextPage(); // Partial update
getdisplay().powerOff(); // Display power off
setPortPin(OBP_POWER_EPD, false); // Power off ePaper display
setPortPin(OBP_POWER_SD, false); // Power off SD card
#else
// Switch off all power lines
setPortPin(OBP_BACKLIGHT_LED, false); // Backlight Off
setFlashLED(false); // Flash LED Off
@ -327,8 +356,12 @@ void underVoltageDetection(GwApi *api, CommonData &common){
getdisplay().setFont(&Ubuntu_Bold20pt7b);
getdisplay().setCursor(65, 150);
getdisplay().print("Undervoltage");
getdisplay().setFont(&Ubuntu_Bold8pt7b);
getdisplay().setCursor(65, 175);
getdisplay().print("To wake up repower system");
getdisplay().nextPage(); // Partial update
getdisplay().powerOff(); // Display power off
#endif
// Stop system
while(true){
esp_deep_sleep_start(); // Deep Sleep without weakup. Weakup only after power cycle (restart).
@ -353,7 +386,7 @@ void deepSleep(CommonData &common){
getdisplay().print("Sleep Mode");
getdisplay().setFont(&Ubuntu_Bold8pt7b);
getdisplay().setCursor(65, 175);
getdisplay().print("For wakeup press wheel and wait 5s");
getdisplay().print("To wake up press wheel and wait 5s");
getdisplay().nextPage(); // Partial update
getdisplay().powerOff(); // Display power off
setPortPin(OBP_POWER_EPD, false); // Power off ePaper display