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Power down PN532 before deep sleep (#4707)
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2d56b70a36
commit
f4b98f5e32
@ -81,7 +81,32 @@ void PN532::setup() {
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this->turn_off_rf_();
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}
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bool PN532::powerdown() {
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updates_enabled_ = false;
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requested_read_ = false;
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ESP_LOGI(TAG, "Powering down PN532");
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if (!this->write_command_({PN532_COMMAND_POWERDOWN, 0b10100000})) { // enable i2c,spi wakeup
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ESP_LOGE(TAG, "Error writing powerdown command to PN532");
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return false;
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}
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std::vector<uint8_t> response;
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if (!this->read_response(PN532_COMMAND_POWERDOWN, response)) {
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ESP_LOGE(TAG, "Error reading PN532 powerdown response");
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return false;
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}
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if (response[0] != 0x00) {
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ESP_LOGE(TAG, "Error on PN532 powerdown: %02x", response[0]);
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return false;
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}
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ESP_LOGV(TAG, "Powerdown successful");
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delay(1);
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return true;
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}
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void PN532::update() {
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if (!updates_enabled_)
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return;
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for (auto *obj : this->binary_sensors_)
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obj->on_scan_end();
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@ -17,6 +17,7 @@ static const uint8_t PN532_COMMAND_SAMCONFIGURATION = 0x14;
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static const uint8_t PN532_COMMAND_RFCONFIGURATION = 0x32;
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static const uint8_t PN532_COMMAND_INDATAEXCHANGE = 0x40;
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static const uint8_t PN532_COMMAND_INLISTPASSIVETARGET = 0x4A;
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static const uint8_t PN532_COMMAND_POWERDOWN = 0x16;
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class PN532BinarySensor;
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@ -30,6 +31,7 @@ class PN532 : public PollingComponent {
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float get_setup_priority() const override;
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void loop() override;
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void on_shutdown() override { powerdown(); }
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void register_tag(PN532BinarySensor *tag) { this->binary_sensors_.push_back(tag); }
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void register_ontag_trigger(nfc::NfcOnTagTrigger *trig) { this->triggers_ontag_.push_back(trig); }
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@ -45,6 +47,7 @@ class PN532 : public PollingComponent {
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void clean_mode();
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void format_mode();
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void write_mode(nfc::NdefMessage *message);
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bool powerdown();
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protected:
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void turn_off_rf_();
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@ -79,6 +82,7 @@ class PN532 : public PollingComponent {
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bool write_mifare_ultralight_tag_(std::vector<uint8_t> &uid, nfc::NdefMessage *message);
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bool clean_mifare_ultralight_();
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bool updates_enabled_{true};
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bool requested_read_{false};
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std::vector<PN532BinarySensor *> binary_sensors_;
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std::vector<nfc::NfcOnTagTrigger *> triggers_ontag_;
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