Fix PZEM004T v2 (#846)

Fixes https://github.com/esphome/issues/issues/817
This commit is contained in:
Otto Winter 2019-11-12 21:44:20 +01:00 committed by GitHub
parent 4f1a28d460
commit 8677d47777
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@ -8,7 +8,7 @@ static const char *TAG = "pzem004t";
void PZEM004T::loop() {
const uint32_t now = millis();
if (now - this->last_read_ > 500 && this->available()) {
if (now - this->last_read_ > 500 && this->available() < 7) {
while (this->available())
this->read();
this->last_read_ = now;
@ -78,7 +78,7 @@ void PZEM004T::loop() {
this->last_read_ = now;
}
}
void PZEM004T::update() { this->write_state_(SET_ADDRESS); }
void PZEM004T::update() { this->write_state_(READ_VOLTAGE); }
void PZEM004T::write_state_(PZEM004T::PZEM004TReadState state) {
if (state == DONE) {
this->read_state_ = state;