InfluxDB Client For Arduino Versions Save

Fixes

• 210 - Allow setting of options without previously set connection params
• 211 - Fixed ESP32 builds using unofficial Arduino Cores

Features

202 - Added option to specify timestamp precision and do not send timestamp. Set using WriteOption::useServerTimestamptrue).

Fixes

200 - Backward compatible compilation. Solves marked 'override', but does not override errors.

Fixes

• 198 - Effective passing Point by value

Fixes

• 193 - Automatically adjusting point timestamp according to the setting of write precision.

Features

• 185 - Added diagnostic server connection state getter bool InfluxDBClient::isConnected()

Features

• 174,181 - All API methods with a string param allow specifying string by all basic types:
  • Arduino String class
  • C *char * or char[] or const *char * or const char[]
  • Flash string using F,PSTR or FPSTR macros

Fixes

• 176 - Fixed compilation error in PlatformIO. Cleared all compiler warnings.

Features

• 167 - Added InfluxDBClient::writeRecord(const char *record).
• 167 - Added possibility to disable retrying by setting maxRetryAttempts to zero: client.setWriteOptions(WriteOptions().maxRetryAttempts(0));
• 172 - Added directly streaming batch for write. It can be enabled by InfluxDBClient::setStreamWrite(bool enable = true). Writing by streaming lines of batch saves RAM as it sends data without allocating a buffer. On the other hand, this way of writing is about half times slower than the classic way, when allocating the buffer for writing the whole batch.
• 172 - Allowing larger batch size, > 255.
• 173 - Added Flux query parameters. Supported by InfluxDB Cloud only now.

Features

• #147 - Updated InfluxDB 2 Cloud CA root certificate to ISRG Root X1.
  Current InfluxDB 2 Cloud CA root certificate DST Root CA X3 expires on September 30th 2021!
• #157 - Added Buckets sub-client for managing buckets in InfluxDB 2.

Fixes

• #150 - HTTPOptions::httpReadTimeout is also set as the connect timeout for HTTP connection on ESP32. It also works for HTTPS connection since ESP32 Arduino Core 2.0.0.
• #156 - Correctly rounding writeBufferSize, when bufferSize/batchSize >= 256.
• #162 - Fixed flushing of not full buffer after the flush timeout.

Documentation

• #163 - More precise description of supported devices.

Features

• #143 - InfluxDBClient::setInsecure now works also for ESP32. Requires Arduino ESP32 SDK 1.0.5 or higher

Fixes

• #137 - Fixed parsing Flux response with unexpected annotations

Documentation

• #134:
  • Added untrusted connection (skipping certificate validation) info to Readme
  • SecureWrite and SecureBatchWrite demos enhanced with example about using untrusted connection
  • Various fixes of typos

Features

• #125 - Added credentials to the InfluxDB 1.x validation endpoint (/ping). To leverage this, enable ping authentication

Fixes

• #129 - Updated InfluxDB 2 Cloud CA certificate to trust servers from all cloud providers (AWS, Azure, GCP)