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Fix PZEM004T v2 (#846)

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Fixes https://github.com/esphome/issues/issues/817
This commit is contained in:
Otto Winter 2019-11-12 21:44:20 +01:00
parent a5b49dbfa6
commit 6297395018
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GPG key ID: DB66C0BE6013F97E
1 changed files with 2 additions and 2 deletions
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4
esphome/components/pzem004t/pzem004t.cpp
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@ -8,7 +8,7 @@ static const char *TAG = "pzem004t";
void PZEM004T::loop() { void PZEM004T::loop() {
const uint32_t now = millis(); 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()) while (this->available())
this->read(); this->read();
this->last_read_ = now; this->last_read_ = now;
@ -78,7 +78,7 @@ void PZEM004T::loop() {
this->last_read_ = now; 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) { void PZEM004T::write_state_(PZEM004T::PZEM004TReadState state) {
if (state == DONE) { if (state == DONE) {
this->read_state_ = state; this->read_state_ = state;