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Merge remote-tracking branch 'origin/ac_main' into mdev

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Frank
2023-01-05 12:33:45 +01:00
parent cbccd5cc4e 35832b07b9
commit 7da9319ae6
3 changed files with 51 additions and 10 deletions
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7
usermods/Battery/battery_defaults.h
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@@ -18,7 +18,12 @@
// https://batterybro.com/blogs/18650-wholesale-battery-reviews/18852515-when-to-recycle-18650-batteries-and-how-to-start-a-collection-center-in-your-vape-shop
// Discharge voltage: 2.5 volt + .1 for personal safety
#ifndef USERMOD_BATTERY_MIN_VOLTAGE
#define USERMOD_BATTERY_MIN_VOLTAGE 2.6f
#ifdef USERMOD_BATTERY_USE_LIPO
// LiPo "1S" Batteries should not be dischared below 3V !!
#define USERMOD_BATTERY_MIN_VOLTAGE 3.2f
#else
#define USERMOD_BATTERY_MIN_VOLTAGE 2.6f
#endif
#endif
#ifndef USERMOD_BATTERY_MAX_VOLTAGE

8
usermods/Battery/readme.md
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@@ -36,6 +36,7 @@ define `USERMOD_BATTERY` in `wled00/my_config.h`
| Name | Unit | Description |
| ----------------------------------------------- | ----------- |-------------------------------------------------------------------------------------- |
| `USERMOD_BATTERY` | | define this (in `my_config.h`) to have this usermod included wled00\usermods_list.cpp |
| `USERMOD_BATTERY_USE_LIPO` | | define this (in `my_config.h`) if you use LiPo rechargeables (1S) |
| `USERMOD_BATTERY_MEASUREMENT_PIN` | | defaults to A0 on ESP8266 and GPIO35 on ESP32 |
| `USERMOD_BATTERY_MEASUREMENT_INTERVAL` | ms | battery check interval. defaults to 30 seconds |
| `USERMOD_BATTERY_MIN_VOLTAGE` | v | minimum battery voltage. default is 2.6 (18650 battery standard) |
@@ -79,6 +80,13 @@ Specification from: [Molicel INR18650-M35A, 3500mAh 10A Lithium-ion battery, 3.
## 📝 Change Log
2023-01-04
- basic support for LiPo rechargeable batteries ( `-D USERMOD_BATTERY_USE_LIPO`)
- improved support for esp32 (read calibrated voltage)
- corrected config saving (measurement pin, and battery min/max were lost)
- various bugfixes
2022-12-25
- added "auto-off" feature

46
usermods/Battery/usermod_v2_Battery.h
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@@ -176,20 +176,44 @@ class UsermodBattery : public Usermod
initializing = false;
#ifdef ARDUINO_ARCH_ESP32
// use calibrated millivolts analogread on esp32 (150 mV ~ 2450 mV)
rawValue = analogReadMilliVolts(batteryPin);
// calculate the voltage
voltage = (rawValue / 1000.0f) + calibration;
// usually a voltage divider (50%) is used on ESP32, so we need to multiply by 2
voltage *= 2.0f;
#else
// read battery raw input
rawValue = analogRead(batteryPin);
// calculate the voltage
voltage = ((rawValue / getAdcPrecision()) * maxBatteryVoltage) + calibration;
// check if voltage is within specified voltage range
voltage = voltage<minBatteryVoltage||voltage>maxBatteryVoltage?-1.0f:voltage;
#endif
// check if voltage is within specified voltage range, allow 10% over/under voltage
voltage = ((voltage < minBatteryVoltage * 0.85f) || (voltage > maxBatteryVoltage * 1.1f)) ? -1.0f : voltage;
// translate battery voltage into percentage
/*
the standard "map" function doesn't work
https://www.arduino.cc/reference/en/language/functions/math/map/ notes and warnings at the bottom
*/
batteryLevel = mapf(voltage, minBatteryVoltage, maxBatteryVoltage, 0, 100);
#ifdef USERMOD_BATTERY_USE_LIPO
batteryLevel = mapf(voltage, minBatteryVoltage, maxBatteryVoltage, 0, 100); // basic mapping
// LiPo batteries have a differnt dischargin curve, see
// https://blog.ampow.com/lipo-voltage-chart/
if (batteryLevel < 40.0f)
batteryLevel = mapf(batteryLevel, 0, 40, 0, 12); // last 45% -> drops very quickly
else {
if (batteryLevel < 90.0f)
batteryLevel = mapf(batteryLevel, 40, 90, 12, 95); // 90% ... 40% -> almost linear drop
else // level > 90%
batteryLevel = mapf(batteryLevel, 90, 105, 95, 100); // highest 15% -> drop slowly
}
#else
batteryLevel = mapf(voltage, minBatteryVoltage, maxBatteryVoltage, 0, 100);
#endif
if (voltage > -1.0f) batteryLevel = constrain(batteryLevel, 0.0f, 110.0f);
// if (calculateTimeLeftEnabled) {
// float currentBatteryCapacity = totalBatteryCapacity;
@@ -329,7 +353,7 @@ class UsermodBattery : public Usermod
{
JsonObject battery = root.createNestedObject(FPSTR(_name)); // usermodname
#ifdef ARDUINO_ARCH_ESP32
battery["pin"] = batteryPin;
battery[F("pin")] = batteryPin;
#endif
// battery[F("time-left")] = calculateTimeLeftEnabled;
@@ -409,8 +433,8 @@ class UsermodBattery : public Usermod
newBatteryPin = battery[F("pin")] | newBatteryPin;
#endif
// calculateTimeLeftEnabled = battery[F("time-left")] | calculateTimeLeftEnabled;
setMinBatteryVoltage(battery[F("min-Voltage")] | minBatteryVoltage);
setMaxBatteryVoltage(battery[F("max-Voltage")] | maxBatteryVoltage);
setMinBatteryVoltage(battery[F("min-voltage")] | minBatteryVoltage);
setMaxBatteryVoltage(battery[F("max-voltage")] | maxBatteryVoltage);
setTotalBatteryCapacity(battery[F("capacity")] | totalBatteryCapacity);
setCalibration(battery[F("calibration")] | calibration);
setReadingInterval(battery[FPSTR(_readInterval)] | readingInterval);
@@ -432,14 +456,14 @@ class UsermodBattery : public Usermod
if (!initDone)
{
// first run: reading from cfg.json
newBatteryPin = batteryPin;
batteryPin = newBatteryPin;
DEBUG_PRINTLN(F(" config loaded."));
}
else
{
DEBUG_PRINTLN(F(" config (re)loaded."));
// changing paramters from settings page
// changing parameters from settings page
if (newBatteryPin != batteryPin)
{
// deallocate pin
@@ -547,7 +571,11 @@ class UsermodBattery : public Usermod
*/
void setMaxBatteryVoltage(float voltage)
{
maxBatteryVoltage = max(getMinBatteryVoltage()+1.0f, voltage);
#ifdef USERMOD_BATTERY_USE_LIPO
maxBatteryVoltage = max(getMinBatteryVoltage()+0.7f, voltage);
#else
maxBatteryVoltage = max(getMinBatteryVoltage()+1.0f, voltage);
#endif
}