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Add BedJet BLE climate component (#2452)

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Joe 2022-04-13 21:16:13 -04:00 committed by GitHub
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commit 6bac551d9f
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@ -28,6 +28,7 @@ esphome/components/atc_mithermometer/* @ahpohl
esphome/components/b_parasite/* @rbaron
esphome/components/ballu/* @bazuchan
esphome/components/bang_bang/* @OttoWinter
esphome/components/bedjet/* @jhansche
esphome/components/bh1750/* @OttoWinter
esphome/components/binary_sensor/* @esphome/core
esphome/components/bl0940/* @tobias-

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esphome/components/bedjet/__init__.py Normal file
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CODEOWNERS = ["@jhansche"]

642
esphome/components/bedjet/bedjet.cpp Normal file
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#include "bedjet.h"
#include "esphome/core/log.h"
#ifdef USE_ESP32
namespace esphome {
namespace bedjet {
using namespace esphome::climate;
/// Converts a BedJet temp step into degrees Celsius.
float bedjet_temp_to_c(const uint8_t temp) {
// BedJet temp is "C*2"; to get C, divide by 2.
return temp / 2.0f;
}
/// Converts a BedJet fan step to a speed percentage, in the range of 5% to 100%.
uint8_t bedjet_fan_step_to_speed(const uint8_t fan) {
// 0 = 5%
// 19 = 100%
return 5 * fan + 5;
}
static const std::string *bedjet_fan_step_to_fan_mode(const uint8_t fan_step) {
if (fan_step >= 0 && fan_step <= 19)
return &BEDJET_FAN_STEP_NAME_STRINGS[fan_step];
return nullptr;
}
static uint8_t bedjet_fan_speed_to_step(const std::string &fan_step_percent) {
for (int i = 0; i < sizeof(BEDJET_FAN_STEP_NAME_STRINGS); i++) {
if (fan_step_percent == BEDJET_FAN_STEP_NAME_STRINGS[i]) {
return i;
}
}
return -1;
}
void Bedjet::upgrade_firmware() {
auto *pkt = this->codec_->get_button_request(MAGIC_UPDATE);
auto status = this->write_bedjet_packet_(pkt);
if (status) {
ESP_LOGW(TAG, "[%s] esp_ble_gattc_write_char failed, status=%d", this->parent_->address_str().c_str(), status);
}
}
void Bedjet::dump_config() {
LOG_CLIMATE("", "BedJet Climate", this);
auto traits = this->get_traits();
ESP_LOGCONFIG(TAG, " Supported modes:");
for (auto mode : traits.get_supported_modes()) {
ESP_LOGCONFIG(TAG, " - %s", LOG_STR_ARG(climate_mode_to_string(mode)));
}
ESP_LOGCONFIG(TAG, " Supported fan modes:");
for (const auto &mode : traits.get_supported_fan_modes()) {
ESP_LOGCONFIG(TAG, " - %s", LOG_STR_ARG(climate_fan_mode_to_string(mode)));
}
for (const auto &mode : traits.get_supported_custom_fan_modes()) {
ESP_LOGCONFIG(TAG, " - %s (c)", mode.c_str());
}
ESP_LOGCONFIG(TAG, " Supported presets:");
for (auto preset : traits.get_supported_presets()) {
ESP_LOGCONFIG(TAG, " - %s", LOG_STR_ARG(climate_preset_to_string(preset)));
}
for (const auto &preset : traits.get_supported_custom_presets()) {
ESP_LOGCONFIG(TAG, " - %s (c)", preset.c_str());
}
}
void Bedjet::setup() {
this->codec_ = make_unique<BedjetCodec>();
// restore set points
auto restore = this->restore_state_();
if (restore.has_value()) {
ESP_LOGI(TAG, "Restored previous saved state.");
restore->apply(this);
} else {
// Initial status is unknown until we connect
this->reset_state_();
}
#ifdef USE_TIME
this->setup_time_();
#endif
}
/** Resets states to defaults. */
void Bedjet::reset_state_() {
this->mode = climate::CLIMATE_MODE_OFF;
this->action = climate::CLIMATE_ACTION_IDLE;
this->target_temperature = NAN;
this->current_temperature = NAN;
this->preset.reset();
this->custom_preset.reset();
this->publish_state();
}
void Bedjet::loop() {}
void Bedjet::control(const ClimateCall &call) {
ESP_LOGD(TAG, "Received Bedjet::control");
if (this->node_state != espbt::ClientState::ESTABLISHED) {
ESP_LOGW(TAG, "Not connected, cannot handle control call yet.");
return;
}
if (call.get_mode().has_value()) {
ClimateMode mode = *call.get_mode();
BedjetPacket *pkt;
switch (mode) {
case climate::CLIMATE_MODE_OFF:
pkt = this->codec_->get_button_request(BTN_OFF);
break;
case climate::CLIMATE_MODE_HEAT:
pkt = this->codec_->get_button_request(BTN_EXTHT);
break;
case climate::CLIMATE_MODE_FAN_ONLY:
pkt = this->codec_->get_button_request(BTN_COOL);
break;
case climate::CLIMATE_MODE_DRY:
pkt = this->codec_->get_button_request(BTN_DRY);
break;
default:
ESP_LOGW(TAG, "Unsupported mode: %d", mode);
return;
}
auto status = this->write_bedjet_packet_(pkt);
if (status) {
ESP_LOGW(TAG, "[%s] esp_ble_gattc_write_char failed, status=%d", this->parent_->address_str().c_str(), status);
} else {
this->force_refresh_ = true;
this->mode = mode;
// We're using (custom) preset for Turbo & M1-3 presets, so changing climate mode will clear those
this->custom_preset.reset();
this->preset.reset();
}
}
if (call.get_target_temperature().has_value()) {
auto target_temp = *call.get_target_temperature();
auto *pkt = this->codec_->get_set_target_temp_request(target_temp);
auto status = this->write_bedjet_packet_(pkt);
if (status) {
ESP_LOGW(TAG, "[%s] esp_ble_gattc_write_char failed, status=%d", this->parent_->address_str().c_str(), status);
} else {
this->target_temperature = target_temp;
}
}
if (call.get_preset().has_value()) {
ClimatePreset preset = *call.get_preset();
BedjetPacket *pkt;
if (preset == climate::CLIMATE_PRESET_BOOST) {
pkt = this->codec_->get_button_request(BTN_TURBO);
} else {
ESP_LOGW(TAG, "Unsupported preset: %d", preset);
return;
}
auto status = this->write_bedjet_packet_(pkt);
if (status) {
ESP_LOGW(TAG, "[%s] esp_ble_gattc_write_char failed, status=%d", this->parent_->address_str().c_str(), status);
} else {
// We use BOOST preset for TURBO mode, which is a short-lived/high-heat mode.
this->mode = climate::CLIMATE_MODE_HEAT;
this->preset = preset;
this->custom_preset.reset();
this->force_refresh_ = true;
}
} else if (call.get_custom_preset().has_value()) {
std::string preset = *call.get_custom_preset();
BedjetPacket *pkt;
if (preset == "M1") {
pkt = this->codec_->get_button_request(BTN_M1);
} else if (preset == "M2") {
pkt = this->codec_->get_button_request(BTN_M2);
} else if (preset == "M3") {
pkt = this->codec_->get_button_request(BTN_M3);
} else {
ESP_LOGW(TAG, "Unsupported preset: %s", preset.c_str());
return;
}
auto status = this->write_bedjet_packet_(pkt);
if (status) {
ESP_LOGW(TAG, "[%s] esp_ble_gattc_write_char failed, status=%d", this->parent_->address_str().c_str(), status);
} else {
this->force_refresh_ = true;
this->custom_preset = preset;
this->preset.reset();
}
}
if (call.get_fan_mode().has_value()) {
// Climate fan mode only supports low/med/high, but the BedJet supports 5-100% increments.
// We can still support a ClimateCall that requests low/med/high, and just translate it to a step increment here.
auto fan_mode = *call.get_fan_mode();
BedjetPacket *pkt;
if (fan_mode == climate::CLIMATE_FAN_LOW) {
pkt = this->codec_->get_set_fan_speed_request(3 /* = 20% */);
} else if (fan_mode == climate::CLIMATE_FAN_MEDIUM) {
pkt = this->codec_->get_set_fan_speed_request(9 /* = 50% */);
} else if (fan_mode == climate::CLIMATE_FAN_HIGH) {
pkt = this->codec_->get_set_fan_speed_request(14 /* = 75% */);
} else {
ESP_LOGW(TAG, "[%s] Unsupported fan mode: %s", this->get_name().c_str(),
LOG_STR_ARG(climate_fan_mode_to_string(fan_mode)));
return;
}
auto status = this->write_bedjet_packet_(pkt);
if (status) {
ESP_LOGW(TAG, "[%s] esp_ble_gattc_write_char failed, status=%d", this->parent_->address_str().c_str(), status);
} else {
this->force_refresh_ = true;
}
} else if (call.get_custom_fan_mode().has_value()) {
auto fan_mode = *call.get_custom_fan_mode();
auto fan_step = bedjet_fan_speed_to_step(fan_mode);
if (fan_step >= 0 && fan_step <= 19) {
ESP_LOGV(TAG, "[%s] Converted fan mode %s to bedjet fan step %d", this->get_name().c_str(), fan_mode.c_str(),
fan_step);
// The index should represent the fan_step index.
BedjetPacket *pkt = this->codec_->get_set_fan_speed_request(fan_step);
auto status = this->write_bedjet_packet_(pkt);
if (status) {
ESP_LOGW(TAG, "[%s] esp_ble_gattc_write_char failed, status=%d", this->parent_->address_str().c_str(), status);
} else {
this->force_refresh_ = true;
}
}
}
}
void Bedjet::gattc_event_handler(esp_gattc_cb_event_t event, esp_gatt_if_t gattc_if, esp_ble_gattc_cb_param_t *param) {
switch (event) {
case ESP_GATTC_DISCONNECT_EVT: {
ESP_LOGV(TAG, "Disconnected: reason=%d", param->disconnect.reason);
this->status_set_warning();
break;
}
case ESP_GATTC_SEARCH_CMPL_EVT: {
auto *chr = this->parent_->get_characteristic(BEDJET_SERVICE_UUID, BEDJET_COMMAND_UUID);
if (chr == nullptr) {
ESP_LOGW(TAG, "[%s] No control service found at device, not a BedJet..?", this->get_name().c_str());
break;
}
this->char_handle_cmd_ = chr->handle;
chr = this->parent_->get_characteristic(BEDJET_SERVICE_UUID, BEDJET_STATUS_UUID);
if (chr == nullptr) {
ESP_LOGW(TAG, "[%s] No status service found at device, not a BedJet..?", this->get_name().c_str());
break;
}
this->char_handle_status_ = chr->handle;
// We also need to obtain the config descriptor for this handle.
// Otherwise once we set node_state=Established, the parent will flush all handles/descriptors, and we won't be
// able to look it up.
auto *descr = this->parent_->get_config_descriptor(this->char_handle_status_);
if (descr == nullptr) {
ESP_LOGW(TAG, "No config descriptor for status handle 0x%x. Will not be able to receive status notifications",
this->char_handle_status_);
} else if (descr->uuid.get_uuid().len != ESP_UUID_LEN_16 ||
descr->uuid.get_uuid().uuid.uuid16 != ESP_GATT_UUID_CHAR_CLIENT_CONFIG) {
ESP_LOGW(TAG, "Config descriptor 0x%x (uuid %s) is not a client config char uuid", this->char_handle_status_,
descr->uuid.to_string().c_str());
} else {
this->config_descr_status_ = descr->handle;
}
chr = this->parent_->get_characteristic(BEDJET_SERVICE_UUID, BEDJET_NAME_UUID);
if (chr != nullptr) {
this->char_handle_name_ = chr->handle;
auto status = esp_ble_gattc_read_char(this->parent_->gattc_if, this->parent_->conn_id, this->char_handle_name_,
ESP_GATT_AUTH_REQ_NONE);
if (status) {
ESP_LOGI(TAG, "[%s] Unable to read name characteristic: %d", this->get_name().c_str(), status);
}
}
ESP_LOGD(TAG, "Services complete: obtained char handles.");
this->node_state = espbt::ClientState::ESTABLISHED;
this->set_notify_(true);
#ifdef USE_TIME
if (this->time_id_.has_value()) {
this->send_local_time_();
}
#endif
break;
}
case ESP_GATTC_WRITE_DESCR_EVT: {
if (param->write.status != ESP_GATT_OK) {
// ESP_GATT_INVALID_ATTR_LEN
ESP_LOGW(TAG, "Error writing descr at handle 0x%04d, status=%d", param->write.handle, param->write.status);
break;
}
// [16:44:44][V][bedjet:279]: [JOENJET] Register for notify event success: h=0x002a s=0
// This might be the enable-notify descriptor? (or disable-notify)
ESP_LOGV(TAG, "[%s] Write to handle 0x%04x status=%d", this->get_name().c_str(), param->write.handle,
param->write.status);
break;
}
case ESP_GATTC_WRITE_CHAR_EVT: {
if (param->write.status != ESP_GATT_OK) {
ESP_LOGW(TAG, "Error writing char at handle 0x%04d, status=%d", param->write.handle, param->write.status);
break;
}
if (param->write.handle == this->char_handle_cmd_) {
if (this->force_refresh_) {
// Command write was successful. Publish the pending state, hoping that notify will kick in.
this->publish_state();
}
}
break;
}
case ESP_GATTC_READ_CHAR_EVT: {
if (param->read.conn_id != this->parent_->conn_id)
break;
if (param->read.status != ESP_GATT_OK) {
ESP_LOGW(TAG, "Error reading char at handle %d, status=%d", param->read.handle, param->read.status);
break;
}
if (param->read.handle == this->char_handle_status_) {
// This is the additional packet that doesn't fit in the notify packet.
this->codec_->decode_extra(param->read.value, param->read.value_len);
} else if (param->read.handle == this->char_handle_name_) {
// The data should represent the name.
if (param->read.status == ESP_GATT_OK && param->read.value_len > 0) {
std::string bedjet_name(reinterpret_cast<char const *>(param->read.value), param->read.value_len);
// this->set_name(bedjet_name);
ESP_LOGV(TAG, "[%s] Got BedJet name: '%s'", this->get_name().c_str(), bedjet_name.c_str());
}
}
break;
}
case ESP_GATTC_REG_FOR_NOTIFY_EVT: {
// This event means that ESP received the request to enable notifications on the client side. But we also have to
// tell the server that we want it to send notifications. Normally BLEClient parent would handle this
// automatically, but as soon as we set our status to Established, the parent is going to purge all the
// service/char/descriptor handles, and then get_config_descriptor() won't work anymore. There's no way to disable
// the BLEClient parent behavior, so our only option is to write the handle anyway, and hope a double-write
// doesn't break anything.
if (param->reg_for_notify.handle != this->char_handle_status_) {
ESP_LOGW(TAG, "[%s] Register for notify on unexpected handle 0x%04x, expecting 0x%04x",
this->get_name().c_str(), param->reg_for_notify.handle, this->char_handle_status_);
break;
}
this->write_notify_config_descriptor_(true);
this->last_notify_ = 0;
this->force_refresh_ = true;
break;
}
case ESP_GATTC_UNREG_FOR_NOTIFY_EVT: {
// This event is not handled by the parent BLEClient, so we need to do this either way.
if (param->unreg_for_notify.handle != this->char_handle_status_) {
ESP_LOGW(TAG, "[%s] Unregister for notify on unexpected handle 0x%04x, expecting 0x%04x",
this->get_name().c_str(), param->unreg_for_notify.handle, this->char_handle_status_);
break;
}
this->write_notify_config_descriptor_(false);
this->last_notify_ = 0;
// Now we wait until the next update() poll to re-register notify...
break;
}
case ESP_GATTC_NOTIFY_EVT: {
if (param->notify.handle != this->char_handle_status_) {
ESP_LOGW(TAG, "[%s] Unexpected notify handle, wanted %04X, got %04X", this->get_name().c_str(),
this->char_handle_status_, param->notify.handle);
break;
}
// FIXME: notify events come in every ~200-300 ms, which is too fast to be helpful. So we
// throttle the updates to once every MIN_NOTIFY_THROTTLE (5 seconds).
// Another idea would be to keep notify off by default, and use update() as an opportunity to turn on
// notify to get enough data to update status, then turn off notify again.
uint32_t now = millis();
auto delta = now - this->last_notify_;
if (this->last_notify_ == 0 || delta > MIN_NOTIFY_THROTTLE || this->force_refresh_) {
bool needs_extra = this->codec_->decode_notify(param->notify.value, param->notify.value_len);
this->last_notify_ = now;
if (needs_extra) {
// this means the packet was partial, so read the status characteristic to get the second part.
auto status = esp_ble_gattc_read_char(this->parent_->gattc_if, this->parent_->conn_id,
this->char_handle_status_, ESP_GATT_AUTH_REQ_NONE);
if (status) {
ESP_LOGI(TAG, "[%s] Unable to read extended status packet", this->get_name().c_str());
}
}
if (this->force_refresh_) {
// If we requested an immediate update, do that now.
this->update();
this->force_refresh_ = false;
}
}
break;
}
default:
ESP_LOGVV(TAG, "[%s] gattc unhandled event: enum=%d", this->get_name().c_str(), event);
break;
}
}
/** Reimplementation of BLEClient.gattc_event_handler() for ESP_GATTC_REG_FOR_NOTIFY_EVT.
*
* This is a copy of ble_client's automatic handling of `ESP_GATTC_REG_FOR_NOTIFY_EVT`, in order
* to undo the same on unregister. It also allows us to maintain the config descriptor separately,
* since the parent BLEClient is going to purge all descriptors once we set our connection status
* to `Established`.
*/
uint8_t Bedjet::write_notify_config_descriptor_(bool enable) {
auto handle = this->config_descr_status_;
if (handle == 0) {
ESP_LOGW(TAG, "No descriptor found for notify of handle 0x%x", this->char_handle_status_);
return -1;
}
// NOTE: BLEClient uses `uint8_t*` of length 1, but BLE spec requires 16 bits.
uint8_t notify_en[] = {0, 0};
notify_en[0] = enable;
auto status =
esp_ble_gattc_write_char_descr(this->parent_->gattc_if, this->parent_->conn_id, handle, sizeof(notify_en),
&notify_en[0], ESP_GATT_WRITE_TYPE_RSP, ESP_GATT_AUTH_REQ_NONE);
if (status) {
ESP_LOGW(TAG, "esp_ble_gattc_write_char_descr error, status=%d", status);
return status;
}
ESP_LOGD(TAG, "[%s] wrote notify=%s to status config 0x%04x", this->get_name().c_str(), enable ? "true" : "false",
handle);
return ESP_GATT_OK;
}
#ifdef USE_TIME
/** Attempts to sync the local time (via `time_id`) to the BedJet device. */
void Bedjet::send_local_time_() {
if (this->node_state != espbt::ClientState::ESTABLISHED) {
ESP_LOGV(TAG, "[%s] Not connected, cannot send time.", this->get_name().c_str());
return;
}
auto *time_id = *this->time_id_;
time::ESPTime now = time_id->now();
if (now.is_valid()) {
uint8_t hour = now.hour;
uint8_t minute = now.minute;
BedjetPacket *pkt = this->codec_->get_set_time_request(hour, minute);
auto status = this->write_bedjet_packet_(pkt);
if (status) {
ESP_LOGW(TAG, "Failed setting BedJet clock: %d", status);
} else {
ESP_LOGD(TAG, "[%s] BedJet clock set to: %d:%02d", this->get_name().c_str(), hour, minute);
}
}
}
/** Initializes time sync callbacks to support syncing current time to the BedJet. */
void Bedjet::setup_time_() {
if (this->time_id_.has_value()) {
this->send_local_time_();
auto *time_id = *this->time_id_;
time_id->add_on_time_sync_callback([this] { this->send_local_time_(); });
time::ESPTime now = time_id->now();
ESP_LOGD(TAG, "Using time component to set BedJet clock: %d:%02d", now.hour, now.minute);
} else {
ESP_LOGI(TAG, "`time_id` is not configured: will not sync BedJet clock.");
}
}
#endif
/** Writes one BedjetPacket to the BLE client on the BEDJET_COMMAND_UUID. */
uint8_t Bedjet::write_bedjet_packet_(BedjetPacket *pkt) {
if (this->node_state != espbt::ClientState::ESTABLISHED) {
if (!this->parent_->enabled) {
ESP_LOGI(TAG, "[%s] Cannot write packet: Not connected, enabled=false", this->get_name().c_str());
} else {
ESP_LOGW(TAG, "[%s] Cannot write packet: Not connected", this->get_name().c_str());
}
return -1;
}
auto status = esp_ble_gattc_write_char(this->parent_->gattc_if, this->parent_->conn_id, this->char_handle_cmd_,
pkt->data_length + 1, (uint8_t *) &pkt->command, ESP_GATT_WRITE_TYPE_NO_RSP,
ESP_GATT_AUTH_REQ_NONE);
return status;
}
/** Configures the local ESP BLE client to register (`true`) or unregister (`false`) for status notifications. */
uint8_t Bedjet::set_notify_(const bool enable) {
uint8_t status;
if (enable) {
status = esp_ble_gattc_register_for_notify(this->parent_->gattc_if, this->parent_->remote_bda,
this->char_handle_status_);
if (status) {
ESP_LOGW(TAG, "[%s] esp_ble_gattc_register_for_notify failed, status=%d", this->get_name().c_str(), status);
}
} else {
status = esp_ble_gattc_unregister_for_notify(this->parent_->gattc_if, this->parent_->remote_bda,
this->char_handle_status_);
if (status) {
ESP_LOGW(TAG, "[%s] esp_ble_gattc_unregister_for_notify failed, status=%d", this->get_name().c_str(), status);
}
}
ESP_LOGV(TAG, "[%s] set_notify: enable=%d; result=%d", this->get_name().c_str(), enable, status);
return status;
}
/** Attempts to update the climate device from the last received BedjetStatusPacket.
*
* @return `true` if the status has been applied; `false` if there is nothing to apply.
*/
bool Bedjet::update_status_() {
if (!this->codec_->has_status())
return false;
BedjetStatusPacket status = *this->codec_->get_status_packet();
auto converted_temp = bedjet_temp_to_c(status.target_temp_step);
if (converted_temp > 0)
this->target_temperature = converted_temp;
converted_temp = bedjet_temp_to_c(status.ambient_temp_step);
if (converted_temp > 0)
this->current_temperature = converted_temp;
const auto *fan_mode_name = bedjet_fan_step_to_fan_mode(status.fan_step);
if (fan_mode_name != nullptr) {
this->custom_fan_mode = *fan_mode_name;
}
// TODO: Get biorhythm data to determine which preset (M1-3) is running, if any.
switch (status.mode) {
case MODE_WAIT: // Biorhythm "wait" step: device is idle
case MODE_STANDBY:
this->mode = climate::CLIMATE_MODE_OFF;
this->action = climate::CLIMATE_ACTION_IDLE;
this->fan_mode = climate::CLIMATE_FAN_OFF;
this->custom_preset.reset();
this->preset.reset();
break;
case MODE_HEAT:
case MODE_EXTHT:
this->mode = climate::CLIMATE_MODE_HEAT;
this->action = climate::CLIMATE_ACTION_HEATING;
this->custom_preset.reset();
this->preset.reset();
break;
case MODE_COOL:
this->mode = climate::CLIMATE_MODE_FAN_ONLY;
this->action = climate::CLIMATE_ACTION_COOLING;
this->custom_preset.reset();
this->preset.reset();
break;
case MODE_DRY:
this->mode = climate::CLIMATE_MODE_DRY;
this->action = climate::CLIMATE_ACTION_DRYING;
this->custom_preset.reset();
this->preset.reset();
break;
case MODE_TURBO:
this->preset = climate::CLIMATE_PRESET_BOOST;
this->custom_preset.reset();
this->mode = climate::CLIMATE_MODE_HEAT;
this->action = climate::CLIMATE_ACTION_HEATING;
break;
default:
ESP_LOGW(TAG, "[%s] Unexpected mode: 0x%02X", this->get_name().c_str(), status.mode);
break;
}
if (this->is_valid_()) {
this->publish_state();
this->codec_->clear_status();
this->status_clear_warning();
}
return true;
}
void Bedjet::update() {
ESP_LOGV(TAG, "[%s] update()", this->get_name().c_str());
if (this->node_state != espbt::ClientState::ESTABLISHED) {
if (!this->parent()->enabled) {
ESP_LOGD(TAG, "[%s] Not connected, because enabled=false", this->get_name().c_str());
} else {
// Possibly still trying to connect.
ESP_LOGD(TAG, "[%s] Not connected, enabled=true", this->get_name().c_str());
}
return;
}
auto result = this->update_status_();
if (!result) {
uint32_t now = millis();
uint32_t diff = now - this->last_notify_;
if (this->last_notify_ == 0) {
// This means we're connected and haven't received a notification, so it likely means that the BedJet is off.
// However, it could also mean that it's running, but failing to send notifications.
// We can try to unregister for notifications now, and then re-register, hoping to clear it up...
// But how do we know for sure which state we're in, and how do we actually clear out the buggy state?
ESP_LOGI(TAG, "[%s] Still waiting for first GATT notify event.", this->get_name().c_str());
this->set_notify_(false);
} else if (diff > NOTIFY_WARN_THRESHOLD) {
ESP_LOGW(TAG, "[%s] Last GATT notify was %d seconds ago.", this->get_name().c_str(), diff / 1000);
}
if (this->timeout_ > 0 && diff > this->timeout_ && this->parent()->enabled) {
ESP_LOGW(TAG, "[%s] Timed out after %d sec. Retrying...", this->get_name().c_str(), this->timeout_);
this->parent()->set_enabled(false);
this->parent()->set_enabled(true);
}
}
}
} // namespace bedjet
} // namespace esphome
#endif

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#pragma once
#include "esphome/components/ble_client/ble_client.h"
#include "esphome/components/esp32_ble_tracker/esp32_ble_tracker.h"
#include "esphome/components/climate/climate.h"
#include "esphome/core/component.h"
#include "esphome/core/hal.h"
#include "bedjet_base.h"
#ifdef USE_TIME
#include "esphome/components/time/real_time_clock.h"
#endif
#ifdef USE_ESP32
#include <esp_gattc_api.h>
namespace esphome {
namespace bedjet {
namespace espbt = esphome::esp32_ble_tracker;
static const espbt::ESPBTUUID BEDJET_SERVICE_UUID = espbt::ESPBTUUID::from_raw("00001000-bed0-0080-aa55-4265644a6574");
static const espbt::ESPBTUUID BEDJET_STATUS_UUID = espbt::ESPBTUUID::from_raw("00002000-bed0-0080-aa55-4265644a6574");
static const espbt::ESPBTUUID BEDJET_COMMAND_UUID = espbt::ESPBTUUID::from_raw("00002004-bed0-0080-aa55-4265644a6574");
static const espbt::ESPBTUUID BEDJET_NAME_UUID = espbt::ESPBTUUID::from_raw("00002001-bed0-0080-aa55-4265644a6574");
class Bedjet : public climate::Climate, public esphome::ble_client::BLEClientNode, public PollingComponent {
public:
void setup() override;
void loop() override;
void update() override;
void gattc_event_handler(esp_gattc_cb_event_t event, esp_gatt_if_t gattc_if,
esp_ble_gattc_cb_param_t *param) override;
void dump_config() override;
float get_setup_priority() const override { return setup_priority::AFTER_WIFI; }
#ifdef USE_TIME
void set_time_id(time::RealTimeClock *time_id) { this->time_id_ = time_id; }
#endif
void set_status_timeout(uint32_t timeout) { this->timeout_ = timeout; }
/** Attempts to check for and apply firmware updates. */
void upgrade_firmware();
climate::ClimateTraits traits() override {
auto traits = climate::ClimateTraits();
traits.set_supports_action(true);
traits.set_supports_current_temperature(true);
traits.set_supported_modes({
climate::CLIMATE_MODE_OFF,
climate::CLIMATE_MODE_HEAT,
// climate::CLIMATE_MODE_TURBO // Not supported by Climate: see presets instead
climate::CLIMATE_MODE_FAN_ONLY,
climate::CLIMATE_MODE_DRY,
});
// It would be better if we had a slider for the fan modes.
traits.set_supported_custom_fan_modes(BEDJET_FAN_STEP_NAMES_SET);
traits.set_supported_presets({
// If we support NONE, then have to decide what happens if the user switches to it (turn off?)
// climate::CLIMATE_PRESET_NONE,
// Climate doesn't have a "TURBO" mode, but we can use the BOOST preset instead.
climate::CLIMATE_PRESET_BOOST,
});
traits.set_supported_custom_presets({
// We could fetch biodata from bedjet and set these names that way.
// But then we have to invert the lookup in order to send the right preset.
// For now, we can leave them as M1-3 to match the remote buttons.
"M1",
"M2",
"M3",
});
traits.set_visual_min_temperature(19.0);
traits.set_visual_max_temperature(43.0);
traits.set_visual_temperature_step(1.0);
return traits;
}
protected:
void control(const climate::ClimateCall &call) override;
#ifdef USE_TIME
void setup_time_();
void send_local_time_();
optional<time::RealTimeClock *> time_id_{};
#endif
uint32_t timeout_{DEFAULT_STATUS_TIMEOUT};
static const uint32_t MIN_NOTIFY_THROTTLE = 5000;
static const uint32_t NOTIFY_WARN_THRESHOLD = 300000;
static const uint32_t DEFAULT_STATUS_TIMEOUT = 900000;
uint8_t set_notify_(bool enable);
uint8_t write_bedjet_packet_(BedjetPacket *pkt);
void reset_state_();
bool update_status_();
bool is_valid_() {
// FIXME: find a better way to check this?
return !std::isnan(this->current_temperature) && !std::isnan(this->target_temperature) &&
this->current_temperature > 1 && this->target_temperature > 1;
}
uint32_t last_notify_ = 0;
bool force_refresh_ = false;
std::unique_ptr<BedjetCodec> codec_;
uint16_t char_handle_cmd_;
uint16_t char_handle_name_;
uint16_t char_handle_status_;
uint16_t config_descr_status_;
uint8_t write_notify_config_descriptor_(bool enable);
};
} // namespace bedjet
} // namespace esphome
#endif

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#include "bedjet_base.h"
#include <cstdio>
#include <cstring>
namespace esphome {
namespace bedjet {
/// Converts a BedJet temp step into degrees Fahrenheit.
float bedjet_temp_to_f(const uint8_t temp) {
// BedJet temp is "C*2"; to get F, multiply by 0.9 (half 1.8) and add 32.
return 0.9f * temp + 32.0f;
}
/** Cleans up the packet before sending. */
BedjetPacket *BedjetCodec::clean_packet_() {
// So far no commands require more than 2 bytes of data.
assert(this->packet_.data_length <= 2);
for (int i = this->packet_.data_length; i < 2; i++) {
this->packet_.data[i] = '\0';
}
ESP_LOGV(TAG, "Created packet: %02X, %02X %02X", this->packet_.command, this->packet_.data[0], this->packet_.data[1]);
return &this->packet_;
}
/** Returns a BedjetPacket that will initiate a BedjetButton press. */
BedjetPacket *BedjetCodec::get_button_request(BedjetButton button) {
this->packet_.command = CMD_BUTTON;
this->packet_.data_length = 1;
this->packet_.data[0] = button;
return this->clean_packet_();
}
/** Returns a BedjetPacket that will set the device's target `temperature`. */
BedjetPacket *BedjetCodec::get_set_target_temp_request(float temperature) {
this->packet_.command = CMD_SET_TEMP;
this->packet_.data_length = 1;
this->packet_.data[0] = temperature * 2;
return this->clean_packet_();
}
/** Returns a BedjetPacket that will set the device's target fan speed. */
BedjetPacket *BedjetCodec::get_set_fan_speed_request(const uint8_t fan_step) {
this->packet_.command = CMD_SET_FAN;
this->packet_.data_length = 1;
this->packet_.data[0] = fan_step;
return this->clean_packet_();
}
/** Returns a BedjetPacket that will set the device's current time. */
BedjetPacket *BedjetCodec::get_set_time_request(const uint8_t hour, const uint8_t minute) {
this->packet_.command = CMD_SET_TIME;
this->packet_.data_length = 2;
this->packet_.data[0] = hour;
this->packet_.data[1] = minute;
return this->clean_packet_();
}
/** Decodes the extra bytes that were received after being notified with a partial packet. */
void BedjetCodec::decode_extra(const uint8_t *data, uint16_t length) {
ESP_LOGV(TAG, "Received extra: %d bytes: %d %d %d %d", length, data[1], data[2], data[3], data[4]);
uint8_t offset = this->last_buffer_size_;
if (offset > 0 && length + offset <= sizeof(BedjetStatusPacket)) {
memcpy(((uint8_t *) (&this->buf_)) + offset, data, length);
ESP_LOGV(TAG,
"Extra bytes: skip1=0x%08x, skip2=0x%04x, skip3=0x%02x; update phase=0x%02x, "
"flags=BedjetFlags <conn=%c, leds=%c, units=%c, mute=%c, others=%02x>",
this->buf_._skip_1_, this->buf_._skip_2_, this->buf_._skip_3_, this->buf_.update_phase,
this->buf_.flags & 0x20 ? '1' : '0', this->buf_.flags & 0x10 ? '1' : '0',
this->buf_.flags & 0x04 ? '1' : '0', this->buf_.flags & 0x01 ? '1' : '0',
this->buf_.flags & ~(0x20 | 0x10 | 0x04 | 0x01));
} else {
ESP_LOGI(TAG, "Could not determine where to append to, last offset=%d, max size=%u, new size would be %d", offset,
sizeof(BedjetStatusPacket), length + offset);
}
}
/** Decodes the incoming status packet received on the BEDJET_STATUS_UUID.
*
* @return `true` if the packet was decoded and represents a "partial" packet; `false` otherwise.
*/
bool BedjetCodec::decode_notify(const uint8_t *data, uint16_t length) {
ESP_LOGV(TAG, "Received: %d bytes: %d %d %d %d", length, data[1], data[2], data[3], data[4]);
if (data[1] == PACKET_FORMAT_V3_HOME && data[3] == PACKET_TYPE_STATUS) {
this->status_packet_.reset();
// Clear old buffer
memset(&this->buf_, 0, sizeof(BedjetStatusPacket));
// Copy new data into buffer
memcpy(&this->buf_, data, length);
this->last_buffer_size_ = length;
// TODO: validate the packet checksum?
if (this->buf_.mode >= 0 && this->buf_.mode < 7 && this->buf_.target_temp_step >= 38 &&
this->buf_.target_temp_step <= 86 && this->buf_.actual_temp_step > 1 && this->buf_.actual_temp_step <= 100 &&
this->buf_.ambient_temp_step > 1 && this->buf_.ambient_temp_step <= 100) {
// and save it for the update() loop
this->status_packet_ = this->buf_;
return this->buf_.is_partial == 1;
} else {
// TODO: log a warning if we detect that we connected to a non-V3 device.
ESP_LOGW(TAG, "Received potentially invalid packet (len %d):", length);
}
} else if (data[1] == PACKET_FORMAT_DEBUG || data[3] == PACKET_TYPE_DEBUG) {
// We don't actually know the packet format for this. Dump packets to log, in case a pattern presents itself.
ESP_LOGV(TAG,
"received DEBUG packet: set1=%01fF, set2=%01fF, air=%01fF; [7]=%d, [8]=%d, [9]=%d, [10]=%d, [11]=%d, "
"[12]=%d, [-1]=%d",
bedjet_temp_to_f(data[4]), bedjet_temp_to_f(data[5]), bedjet_temp_to_f(data[6]), data[7], data[8], data[9],
data[10], data[11], data[12], data[length - 1]);
if (this->has_status()) {
this->status_packet_->ambient_temp_step = data[6];
}
} else {
// TODO: log a warning if we detect that we connected to a non-V3 device.
}
return false;
}
} // namespace bedjet
} // namespace esphome

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#pragma once
#include "esphome/core/helpers.h"
#include "esphome/core/log.h"
#include "bedjet_const.h"
namespace esphome {
namespace bedjet {
struct BedjetPacket {
uint8_t data_length;
BedjetCommand command;
uint8_t data[2];
};
struct BedjetFlags {
/* uint8_t */
int a_ : 1; // 0x80
int b_ : 1; // 0x40
int conn_test_passed : 1; ///< (0x20) Bit is set `1` if the last connection test passed.
int leds_enabled : 1; ///< (0x10) Bit is set `1` if the LEDs on the device are enabled.
int c_ : 1; // 0x08
int units_setup : 1; ///< (0x04) Bit is set `1` if the device's units have been configured.
int d_ : 1; // 0x02
int beeps_muted : 1; ///< (0x01) Bit is set `1` if the device's sound output is muted.
} __attribute__((packed));
enum BedjetPacketFormat : uint8_t {
PACKET_FORMAT_DEBUG = 0x05, // 5
PACKET_FORMAT_V3_HOME = 0x56, // 86
};
enum BedjetPacketType : uint8_t {
PACKET_TYPE_STATUS = 0x1,
PACKET_TYPE_DEBUG = 0x2,
};
/** The format of a BedJet V3 status packet. */
struct BedjetStatusPacket {
// [0]
uint8_t is_partial : 8; ///< `1` indicates that this is a partial packet, and more data can be read directly from the
///< characteristic.
BedjetPacketFormat packet_format : 8; ///< BedjetPacketFormat::PACKET_FORMAT_V3_HOME for BedJet V3 status packet
///< format. BedjetPacketFormat::PACKET_FORMAT_DEBUG for debugging packets.
uint8_t
expecting_length : 8; ///< The expected total length of the status packet after merging the additional packet.
BedjetPacketType packet_type : 8; ///< Typically BedjetPacketType::PACKET_TYPE_STATUS for BedJet V3 status packet.
// [4]
uint8_t time_remaining_hrs : 8; ///< Hours remaining in program runtime
uint8_t time_remaining_mins : 8; ///< Minutes remaining in program runtime
uint8_t time_remaining_secs : 8; ///< Seconds remaining in program runtime
// [7]
uint8_t actual_temp_step : 8; ///< Actual temp of the air blown by the BedJet fan; value represents `2 *
///< degrees_celsius`. See #bedjet_temp_to_c and #bedjet_temp_to_f
uint8_t target_temp_step : 8; ///< Target temp that the BedJet will try to heat to. See #actual_temp_step.
// [9]
BedjetMode mode : 8; ///< BedJet operating mode.
// [10]
uint8_t fan_step : 8; ///< BedJet fan speed; value is in the 0-19 range, representing 5% increments (5%-100%): `5 + 5
///< * fan_step`
uint8_t max_hrs : 8; ///< Max hours of mode runtime
uint8_t max_mins : 8; ///< Max minutes of mode runtime
uint8_t min_temp_step : 8; ///< Min temp allowed in mode. See #actual_temp_step.
uint8_t max_temp_step : 8; ///< Max temp allowed in mode. See #actual_temp_step.
// [15-16]
uint16_t turbo_time : 16; ///< Time remaining in BedjetMode::MODE_TURBO.
// [17]
uint8_t ambient_temp_step : 8; ///< Current ambient air temp. This is the coldest air the BedJet can blow. See
///< #actual_temp_step.
uint8_t shutdown_reason : 8; ///< The reason for the last device shutdown.
// [19-25]; the initial partial packet cuts off here after [19]
// Skip 7 bytes?
uint32_t _skip_1_ : 32; // Unknown 19-22 = 0x01810112
uint16_t _skip_2_ : 16; // Unknown 23-24 = 0x1310
uint8_t _skip_3_ : 8; // Unknown 25 = 0x00
// [26]
// 0x18(24) = "Connection test has completed OK"
// 0x1a(26) = "Firmware update is not needed"
uint8_t update_phase : 8; ///< The current status/phase of a firmware update.
// [27]
// FIXME: cannot nest packed struct of matching length here?
/* BedjetFlags */ uint8_t flags : 8; /// See BedjetFlags for the packed byte flags.
// [28-31]; 20+11 bytes
uint32_t _skip_4_ : 32; // Unknown
} __attribute__((packed));
/** This class is responsible for encoding command packets and decoding status packets.
*
* Status Packets
* ==============
* The BedJet protocol depends on registering for notifications on the esphome::BedJet::BEDJET_SERVICE_UUID
* characteristic. If the BedJet is on, it will send rapid updates as notifications. If it is off,
* it generally will not notify of any status.
*
* As the BedJet V3's BedjetStatusPacket exceeds the buffer size allowed for BLE notification packets,
* the notification packet will contain `BedjetStatusPacket::is_partial == 1`. When that happens, an additional
* read of the esphome::BedJet::BEDJET_SERVICE_UUID characteristic will contain the second portion of the
* full status packet.
*
* Command Packets
* ===============
* This class supports encoding a number of BedjetPacket commands:
* - Button press
* This simulates a press of one of the BedjetButton values.
* - BedjetPacket#command = BedjetCommand::CMD_BUTTON
* - BedjetPacket#data [0] contains the BedjetButton value
* - Set target temp
* This sets the BedJet's target temp to a concrete temperature value.
* - BedjetPacket#command = BedjetCommand::CMD_SET_TEMP
* - BedjetPacket#data [0] contains the BedJet temp value; see BedjetStatusPacket#actual_temp_step
* - Set fan speed
* This sets the BedJet fan speed.
* - BedjetPacket#command = BedjetCommand::CMD_SET_FAN
* - BedjetPacket#data [0] contains the BedJet fan step in the range 0-19.
* - Set current time
* The BedJet needs to have its clock set properly in order to run the biorhythm programs, which might
* contain time-of-day based step rules.
* - BedjetPacket#command = BedjetCommand::CMD_SET_TIME
* - BedjetPacket#data [0] is hours, [1] is minutes
*/
class BedjetCodec {
public:
BedjetPacket *get_button_request(BedjetButton button);
BedjetPacket *get_set_target_temp_request(float temperature);
BedjetPacket *get_set_fan_speed_request(uint8_t fan_step);
BedjetPacket *get_set_time_request(uint8_t hour, uint8_t minute);
bool decode_notify(const uint8_t *data, uint16_t length);
void decode_extra(const uint8_t *data, uint16_t length);
inline bool has_status() { return this->status_packet_.has_value(); }
const optional<BedjetStatusPacket> &get_status_packet() const { return this->status_packet_; }
void clear_status() { this->status_packet_.reset(); }
protected:
BedjetPacket *clean_packet_();
uint8_t last_buffer_size_ = 0;
BedjetPacket packet_;
optional<BedjetStatusPacket> status_packet_;
BedjetStatusPacket buf_;
};
} // namespace bedjet
} // namespace esphome

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esphome/components/bedjet/bedjet_const.h Normal file
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#pragma once
#include <set>
namespace esphome {
namespace bedjet {
static const char *const TAG = "bedjet";
enum BedjetMode : uint8_t {
/// BedJet is Off
MODE_STANDBY = 0,
/// BedJet is in Heat mode (limited to 4 hours)
MODE_HEAT = 1,
/// BedJet is in Turbo mode (high heat, limited time)
MODE_TURBO = 2,
/// BedJet is in Extended Heat mode (limited to 10 hours)
MODE_EXTHT = 3,
/// BedJet is in Cool mode (actually "Fan only" mode)
MODE_COOL = 4,
/// BedJet is in Dry mode (high speed, no heat)
MODE_DRY = 5,
/// BedJet is in "wait" mode, a step during a biorhythm program
MODE_WAIT = 6,
};
enum BedjetButton : uint8_t {
/// Turn BedJet off
BTN_OFF = 0x1,
/// Enter Cool mode (fan only)
BTN_COOL = 0x2,
/// Enter Heat mode (limited to 4 hours)
BTN_HEAT = 0x3,
/// Enter Turbo mode (high heat, limited to 10 minutes)
BTN_TURBO = 0x4,
/// Enter Dry mode (high speed, no heat)
BTN_DRY = 0x5,
/// Enter Extended Heat mode (limited to 10 hours)
BTN_EXTHT = 0x6,
/// Start the M1 biorhythm/preset program
BTN_M1 = 0x20,
/// Start the M2 biorhythm/preset program
BTN_M2 = 0x21,
/// Start the M3 biorhythm/preset program
BTN_M3 = 0x22,
/* These are "MAGIC" buttons */
/// Turn debug mode on/off
MAGIC_DEBUG_ON = 0x40,
MAGIC_DEBUG_OFF = 0x41,
/// Perform a connection test.
MAGIC_CONNTEST = 0x42,
/// Request a firmware update. This will also restart the Bedjet.
MAGIC_UPDATE = 0x43,
};
enum BedjetCommand : uint8_t {
CMD_BUTTON = 0x1,
CMD_SET_TEMP = 0x3,
CMD_STATUS = 0x6,
CMD_SET_FAN = 0x7,
CMD_SET_TIME = 0x8,
};
#define BEDJET_FAN_STEP_NAMES_ \
{ \
" 5%", " 10%", " 15%", " 20%", " 25%", " 30%", " 35%", " 40%", " 45%", " 50%", " 55%", " 60%", " 65%", " 70%", \
" 75%", " 80%", " 85%", " 90%", " 95%", "100%" \
}
static const char *const BEDJET_FAN_STEP_NAMES[20] = BEDJET_FAN_STEP_NAMES_;
static const std::string BEDJET_FAN_STEP_NAME_STRINGS[20] = BEDJET_FAN_STEP_NAMES_;
static const std::set<std::string> BEDJET_FAN_STEP_NAMES_SET BEDJET_FAN_STEP_NAMES_;
} // namespace bedjet
} // namespace esphome

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esphome/components/bedjet/climate.py Normal file
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import esphome.codegen as cg
import esphome.config_validation as cv
from esphome.components import climate, ble_client, time
from esphome.const import (
CONF_ID,
CONF_RECEIVE_TIMEOUT,
CONF_TIME_ID,
)
CODEOWNERS = ["@jhansche"]
DEPENDENCIES = ["ble_client"]
bedjet_ns = cg.esphome_ns.namespace("bedjet")
Bedjet = bedjet_ns.class_(
"Bedjet", climate.Climate, ble_client.BLEClientNode, cg.PollingComponent
)
CONFIG_SCHEMA = (
climate.CLIMATE_SCHEMA.extend(
{
cv.GenerateID(): cv.declare_id(Bedjet),
cv.Optional(CONF_TIME_ID): cv.use_id(time.RealTimeClock),
cv.Optional(
CONF_RECEIVE_TIMEOUT, default="0s"
): cv.positive_time_period_milliseconds,
}
)
.extend(ble_client.BLE_CLIENT_SCHEMA)
.extend(cv.polling_component_schema("30s"))
)
async def to_code(config):
var = cg.new_Pvariable(config[CONF_ID])
await cg.register_component(var, config)
await climate.register_climate(var, config)
await ble_client.register_ble_node(var, config)
if CONF_TIME_ID in config:
time_ = await cg.get_variable(config[CONF_TIME_ID])
cg.add(var.set_time_id(time_))
if CONF_RECEIVE_TIMEOUT in config:
cg.add(var.set_status_timeout(config[CONF_RECEIVE_TIMEOUT]))

5
tests/test1.yaml
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@ -291,6 +291,8 @@ ble_client:
on_disconnect:
then:
- switch.turn_on: ble1_status
- mac_address: C4:4F:33:11:22:33
id: my_bedjet_ble_client
mcp23s08:
- id: "mcp23s08_hub"
cs_pin: GPIO12
@ -1870,6 +1872,9 @@ climate:
ble_client_id: ble_blah
unit_of_measurement: c
icon: mdi:stove
- platform: bedjet
name: My Bedjet
ble_client_id: my_bedjet_ble_client
script:
- id: climate_custom