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esphome/esphome/components/ble_client/output/ble_binary_output.cpp
2022-01-23 20:29:58 +13:00

72 lines
2.5 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_OPEN_EVT:
this->client_state_ = espbt::ClientState::ESTABLISHED;
ESP_LOGW(TAG, "[%s] Connected successfully!", this->char_uuid_.to_string().c_str());
break;
case ESP_GATTC_DISCONNECT_EVT:
ESP_LOGW(TAG, "[%s] Disconnected", this->char_uuid_.to_string().c_str());
this->client_state_ = espbt::ClientState::IDLE;
break;
case ESP_GATTC_WRITE_CHAR_EVT: {
if (param->write.status == 0) {
break;
}
auto *chr = this->parent()->get_characteristic(this->service_uuid_, this->char_uuid_);
if (chr == nullptr) {
ESP_LOGW(TAG, "[%s] Characteristic not found.", this->char_uuid_.to_string().c_str());
break;
}
if (param->write.handle == chr->handle) {
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->client_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;
}
auto *chr = this->parent()->get_characteristic(this->service_uuid_, this->char_uuid_);
if (chr == nullptr) {
ESP_LOGW(TAG, "[%s] Characteristic not found. 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);
chr->write_value(&state_as_uint, sizeof(state_as_uint));
}
} // namespace ble_client
} // namespace esphome
#endif