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Add heltec_vision_master_e213 board.

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This commit is contained in:
Quency-D 2025-08-13 18:12:48 +08:00
parent dc6b830970
commit be243a2663
11 changed files with 493 additions and 21 deletions
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10
src/helpers/RefCountedDigitalPin.h
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@ -5,25 +5,25 @@
class RefCountedDigitalPin {
uint8_t _pin;
int8_t _claims = 0;
uint8_t _active = 0;
public:
RefCountedDigitalPin(uint8_t pin): _pin(pin) { }
RefCountedDigitalPin(uint8_t pin,uint8_t active=HIGH): _pin(pin), _active(active) { }
void begin() {
pinMode(_pin, OUTPUT);
digitalWrite(_pin, LOW); // initial state
digitalWrite(_pin, !_active); // initial state
}
void claim() {
_claims++;
if (_claims > 0) {
digitalWrite(_pin, HIGH);
digitalWrite(_pin, _active);
}
}
void release() {
_claims--;
if (_claims == 0) {
digitalWrite(_pin, LOW);
digitalWrite(_pin, !_active);
}
}
};