thooge
/
esp32-nmea2000-obp60
mirror of https://github.com/thooge/esp32-nmea2000-obp60.git
1
0
Fork 0
Code Releases Activity

Improve and speedup undervoltage detection code

This commit is contained in:
Thomas Hooge 2025-08-22 14:20:55 +02:00
parent 63ae42588f
commit 1e0acf2a8f
1 changed files with 58 additions and 55 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

45
lib/obp60task/obp60task.cpp
View File

@ -279,20 +279,7 @@ void registerAllPages(GwLog *logger, PageList &list){
}
// Undervoltage detection for shutdown display
void underVoltageDetection(GwApi *api, CommonData &common){
// Read settings
double voffset = (api->getConfig()->getConfigItem(api->getConfig()->vOffset,true)->asString()).toFloat();
double vslope = (api->getConfig()->getConfigItem(api->getConfig()->vSlope,true)->asString()).toFloat();
// Read supply voltage
#if defined VOLTAGE_SENSOR && defined LIPO_ACCU_1200
float actVoltage = (float(analogRead(OBP_ANALOG0)) * 3.3 / 4096 + 0.53) * 2; // Vin = 1/2 for OBP40
float minVoltage = 3.65; // Absolut minimum volatge for 3,7V LiPo accu
#else
float actVoltage = (float(analogRead(OBP_ANALOG0)) * 3.3 / 4096 + 0.17) * 20; // Vin = 1/20 for OBP60
float minVoltage = MIN_VOLTAGE;
#endif
double calVoltage = actVoltage * vslope + voffset; // Calibration
if(calVoltage < minVoltage){
void underVoltageError(CommonData &common) {
#if defined VOLTAGE_SENSOR && defined LIPO_ACCU_1200
// Switch off all power lines
setPortPin(OBP_BACKLIGHT_LED, false); // Backlight Off
@ -332,13 +319,24 @@ void underVoltageDetection(GwApi *api, CommonData &common){
epd->nextPage(); // Partial update
epd->powerOff(); // Display power off
#endif
// Stop system
while(true){
esp_deep_sleep_start(); // Deep Sleep without weakup. Weakup only after power cycle (restart).
}
while (true) {
esp_deep_sleep_start(); // Deep Sleep without wakeup. Wakeup only after power cycle (restart).
}
}
inline bool underVoltageDetection(float voffset, float vslope) {
// Read supply voltage
#if defined VOLTAGE_SENSOR && defined LIPO_ACCU_1200
float actVoltage = (float(analogRead(OBP_ANALOG0)) * 3.3 / 4096 + 0.53) * 2; // Vin = 1/2 for OBP40
float minVoltage = 3.65; // Absolut minimum volatge for 3,7V LiPo accu
#else
float actVoltage = (float(analogRead(OBP_ANALOG0)) * 3.3 / 4096 + 0.17) * 20; // Vin = 1/20 for OBP60
float minVoltage = MIN_VOLTAGE;
#endif
float calVoltage = actVoltage * vslope + voffset; // Calibration
return (calVoltage < minVoltage);
}
// Calculate true wind data and add to obp60task boat data list
bool addTrueWind(GwApi* api, BoatValueList* boatValues) {
@ -746,7 +744,9 @@ void OBP60Task(GwApi *api){
commonData.backlight.brightness = 2.55 * uint(config->getConfigItem(config->blBrightness,true)->asInt());
commonData.powermode = api->getConfig()->getConfigItem(api->getConfig()->powerMode,true)->asString();
bool uvoltage = api->getConfig()->getConfigItem(api->getConfig()->underVoltage,true)->asBoolean();
bool uvoltage = config->getConfigItem(config->underVoltage, true)->asBoolean();
float voffset = (config->getConfigItem(config->vOffset,true)->asString()).toFloat();
float vslope = (config->getConfigItem(config->vSlope,true)->asString()).toFloat();
String cpuspeed = api->getConfig()->getConfigItem(api->getConfig()->cpuSpeed,true)->asString();
uint hdopAccuracy = uint(api->getConfig()->getConfigItem(api->getConfig()->hdopAccuracy,true)->asInt());
@ -795,8 +795,11 @@ void OBP60Task(GwApi *api){
bool keypressed = false;
// Undervoltage detection
if(uvoltage == true){
underVoltageDetection(api, commonData);
if (uvoltage == true) {
if (underVoltageDetection(voffset, vslope)) {
LOG_DEBUG(GwLog::ERROR, "Undervoltage detected, shutting down!");
underVoltageError(commonData);
}
}
// Set CPU speed after boot after 1min