44 lines
936 B
C++
44 lines
936 B
C++
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#include "Arduino.h"
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#include "pins_arduino.h"
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float getBatteryVoltage() {
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int analogVolt = analogReadMilliVolts(1);
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float voltage = analogVolt / 1000.0;
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voltage = voltage * (100.0 + 200.0) / 200.0;
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return voltage;
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}
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float getBatteryCapacity() {
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float voltage = getBatteryVoltage();
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float capacity = (voltage - 3.3) / (4.2 - 3.3) * 100.0;
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capacity = constrain(capacity, 0, 100);
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return capacity;
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}
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bool getChargingState() {
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return !digitalRead(CHG);
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}
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void (*__onChargeStart__)();
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void (*__onChargeEnd__)();
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void setOnChargeStart(void (*func)()) {
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__onChargeStart__ = func;
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}
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void setOnChargeEnd(void (*func)()) {
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__onChargeEnd__ = func;
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}
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void ARDUINO_ISR_ATTR chargeIsr() {
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if (getChargingState()) {
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__onChargeStart__();
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} else {
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__onChargeEnd__();
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}
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}
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extern "C" void initVariant(void) {
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pinMode(CHG, INPUT_PULLUP);
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attachInterrupt(CHG, chargeIsr, CHANGE);
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analogReadResolution(12);
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}
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