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Fix SHT3xd fails sometimes in 2024.4.0 (#6592)
Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>
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@ -6,9 +6,14 @@ namespace sht3xd {
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static const char *const TAG = "sht3xd";
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static const char *const TAG = "sht3xd";
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// use read serial number register with clock stretching disabled as per other SHT3XD_COMMAND registers
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// https://sensirion.com/media/documents/E5762713/63D103C2/Sensirion_electronic_identification_code_SHT3x.pdf
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// which provides support for SHT85 sensor
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// indicates two possible read serial number registers either with clock stretching enabled or disabled.
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// SHT85 does not support clock stretching and uses same registers as SHT3xd with clock stretching disabled
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// Other SHT3XD_COMMAND registers use the clock stretching disabled register.
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// To ensure compatibility, reading serial number using the register with clock stretching register enabled
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// (used originally in this component) is tried first and if that fails the alternate register address
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// with clock stretching disabled is read.
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static const uint16_t SHT3XD_COMMAND_READ_SERIAL_NUMBER_CLOCK_STRETCHING = 0x3780;
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static const uint16_t SHT3XD_COMMAND_READ_SERIAL_NUMBER = 0x3682;
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static const uint16_t SHT3XD_COMMAND_READ_SERIAL_NUMBER = 0x3682;
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static const uint16_t SHT3XD_COMMAND_READ_STATUS = 0xF32D;
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static const uint16_t SHT3XD_COMMAND_READ_STATUS = 0xF32D;
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@ -22,13 +27,19 @@ static const uint16_t SHT3XD_COMMAND_FETCH_DATA = 0xE000;
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void SHT3XDComponent::setup() {
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void SHT3XDComponent::setup() {
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ESP_LOGCONFIG(TAG, "Setting up SHT3xD...");
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ESP_LOGCONFIG(TAG, "Setting up SHT3xD...");
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uint16_t raw_serial_number[2];
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uint16_t raw_serial_number[2];
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if (!this->get_register(SHT3XD_COMMAND_READ_SERIAL_NUMBER, raw_serial_number, 2)) {
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if (!this->get_register(SHT3XD_COMMAND_READ_SERIAL_NUMBER_CLOCK_STRETCHING, raw_serial_number, 2)) {
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this->mark_failed();
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this->error_code_ = READ_SERIAL_STRETCHED_FAILED;
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return;
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if (!this->get_register(SHT3XD_COMMAND_READ_SERIAL_NUMBER, raw_serial_number, 2)) {
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this->error_code_ = READ_SERIAL_FAILED;
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this->mark_failed();
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return;
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}
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}
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}
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this->serial_number_ = (uint32_t(raw_serial_number[0]) << 16) | uint32_t(raw_serial_number[1]);
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this->serial_number_ = (uint32_t(raw_serial_number[0]) << 16) | uint32_t(raw_serial_number[1]);
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if (!this->write_command(heater_enabled_ ? SHT3XD_COMMAND_HEATER_ENABLE : SHT3XD_COMMAND_HEATER_DISABLE)) {
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if (!this->write_command(heater_enabled_ ? SHT3XD_COMMAND_HEATER_ENABLE : SHT3XD_COMMAND_HEATER_DISABLE)) {
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this->error_code_ = WRITE_HEATER_MODE_FAILED;
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this->mark_failed();
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this->mark_failed();
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return;
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return;
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}
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}
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@ -36,10 +47,21 @@ void SHT3XDComponent::setup() {
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void SHT3XDComponent::dump_config() {
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void SHT3XDComponent::dump_config() {
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ESP_LOGCONFIG(TAG, "SHT3xD:");
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ESP_LOGCONFIG(TAG, "SHT3xD:");
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switch (this->error_code_) {
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case READ_SERIAL_FAILED:
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ESP_LOGD(TAG, " Error reading serial number");
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break;
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case WRITE_HEATER_MODE_FAILED:
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ESP_LOGD(TAG, " Error writing heater mode");
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break;
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default:
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break;
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}
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if (this->is_failed()) {
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if (this->is_failed()) {
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ESP_LOGE(TAG, " Communication with SHT3xD failed!");
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ESP_LOGE(TAG, " Communication with SHT3xD failed!");
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return;
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return;
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}
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}
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ESP_LOGD(TAG, " Setup successful");
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ESP_LOGD(TAG, " Serial Number: 0x%08" PRIX32, this->serial_number_);
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ESP_LOGD(TAG, " Serial Number: 0x%08" PRIX32, this->serial_number_);
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ESP_LOGD(TAG, " Heater Enabled: %s", this->heater_enabled_ ? "true" : "false");
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ESP_LOGD(TAG, " Heater Enabled: %s", this->heater_enabled_ ? "true" : "false");
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@ -22,6 +22,13 @@ class SHT3XDComponent : public PollingComponent, public sensirion_common::Sensir
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void set_heater_enabled(bool heater_enabled) { heater_enabled_ = heater_enabled; }
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void set_heater_enabled(bool heater_enabled) { heater_enabled_ = heater_enabled; }
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protected:
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protected:
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enum ErrorCode {
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NONE = 0,
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READ_SERIAL_STRETCHED_FAILED,
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READ_SERIAL_FAILED,
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WRITE_HEATER_MODE_FAILED,
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} error_code_{NONE};
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sensor::Sensor *temperature_sensor_{nullptr};
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sensor::Sensor *temperature_sensor_{nullptr};
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sensor::Sensor *humidity_sensor_{nullptr};
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sensor::Sensor *humidity_sensor_{nullptr};
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bool heater_enabled_{true};
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bool heater_enabled_{true};
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