esphome/esphome/components/ble_client/output/ble_binary_output.cpp

78 lines
3.2 KiB
C++

#include "ble_binary_output.h"
#include "esphome/core/log.h"
#include "esphome/components/esp32_ble_tracker/esp32_ble_tracker.h"
#ifdef USE_ESP32
namespace esphome {
namespace ble_client {
static const char *const TAG = "ble_binary_output";
void BLEBinaryOutput::dump_config() {
ESP_LOGCONFIG(TAG, "BLE Binary Output:");
ESP_LOGCONFIG(TAG, " MAC address : %s", this->parent_->address_str().c_str());
ESP_LOGCONFIG(TAG, " Service UUID : %s", this->service_uuid_.to_string().c_str());
ESP_LOGCONFIG(TAG, " Characteristic UUID: %s", this->char_uuid_.to_string().c_str());
LOG_BINARY_OUTPUT(this);
}
void BLEBinaryOutput::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_SEARCH_CMPL_EVT: {
auto *chr = this->parent()->get_characteristic(this->service_uuid_, this->char_uuid_);
if (chr == nullptr) {
ESP_LOGW(TAG, "Characteristic %s was not found in service %s", this->char_uuid_.to_string().c_str(),
this->service_uuid_.to_string().c_str());
break;
}
this->char_handle_ = chr->handle;
this->char_props_ = chr->properties;
if (this->require_response_ && this->char_props_ & ESP_GATT_CHAR_PROP_BIT_WRITE) {
this->write_type_ = ESP_GATT_WRITE_TYPE_RSP;
ESP_LOGD(TAG, "Write type: ESP_GATT_WRITE_TYPE_RSP");
} else if (!this->require_response_ && this->char_props_ & ESP_GATT_CHAR_PROP_BIT_WRITE_NR) {
this->write_type_ = ESP_GATT_WRITE_TYPE_NO_RSP;
ESP_LOGD(TAG, "Write type: ESP_GATT_WRITE_TYPE_NO_RSP");
} else {
ESP_LOGE(TAG, "Characteristic %s does not allow writing with%s response", this->char_uuid_.to_string().c_str(),
this->require_response_ ? "" : "out");
break;
}
this->node_state = espbt::ClientState::ESTABLISHED;
ESP_LOGD(TAG, "Found characteristic %s on device %s", this->char_uuid_.to_string().c_str(),
this->parent()->address_str().c_str());
this->node_state = espbt::ClientState::ESTABLISHED;
break;
}
case ESP_GATTC_WRITE_CHAR_EVT: {
if (param->write.handle == this->char_handle_) {
if (param->write.status != 0)
ESP_LOGW(TAG, "[%s] Write error, status=%d", this->char_uuid_.to_string().c_str(), param->write.status);
}
break;
}
default:
break;
}
}
void BLEBinaryOutput::write_state(bool state) {
if (this->node_state != espbt::ClientState::ESTABLISHED) {
ESP_LOGW(TAG, "[%s] Not connected to BLE client. State update can not be written.",
this->char_uuid_.to_string().c_str());
return;
}
uint8_t state_as_uint = (uint8_t) state;
ESP_LOGV(TAG, "[%s] Write State: %d", this->char_uuid_.to_string().c_str(), state_as_uint);
esp_err_t err =
esp_ble_gattc_write_char(this->parent()->get_gattc_if(), this->parent()->get_conn_id(), this->char_handle_,
sizeof(state_as_uint), &state_as_uint, this->write_type_, ESP_GATT_AUTH_REQ_NONE);
if (err != ESP_GATT_OK)
ESP_LOGW(TAG, "[%s] Write error, err=%d", this->char_uuid_.to_string().c_str(), err);
}
} // namespace ble_client
} // namespace esphome
#endif