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Power down PN532 before deep sleep (#4707)

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tracestep
2023-04-30 18:24:15 -03:00
committed by GitHub
parent 2d56b70a36
commit f4b98f5e32
2 changed files with 29 additions and 0 deletions
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esphome/components/pn532/pn532.cpp
+25
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@@ -81,7 +81,32 @@ void PN532::setup() {
this->turn_off_rf_();
}
bool PN532::powerdown() {
updates_enabled_ = false;
requested_read_ = false;
ESP_LOGI(TAG, "Powering down PN532");
if (!this->write_command_({PN532_COMMAND_POWERDOWN, 0b10100000})) { // enable i2c,spi wakeup
ESP_LOGE(TAG, "Error writing powerdown command to PN532");
return false;
}
std::vector<uint8_t> response;
if (!this->read_response(PN532_COMMAND_POWERDOWN, response)) {
ESP_LOGE(TAG, "Error reading PN532 powerdown response");
return false;
}
if (response[0] != 0x00) {
ESP_LOGE(TAG, "Error on PN532 powerdown: %02x", response[0]);
return false;
}
ESP_LOGV(TAG, "Powerdown successful");
delay(1);
return true;
}
void PN532::update() {
if (!updates_enabled_)
return;
for (auto *obj : this->binary_sensors_)
obj->on_scan_end();