Wpcsys

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Added
- Fix the bug of couner and encoder

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Added
- New product: EthanA2
- Add encoder, SD function
- error code: 8106,The counter channel is not available
- example code: Encoder_read, SD_read, SD_write, RTC_trigger_AI_continuous, RTC_trigger_AI_N_samples, RTC_trigger_AI_on_demand, DPOT_writeByChannel
- API: DPOT_writeByChannel, AI_getData, Sys_startRTCAlarm, Sys_stopRTCAlarm

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Fixed
- Unify example code's printf style

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Added
- Verify EDriveST example code
- Add the argument of `port` in relay relatie API
- Example code: get_serial_number.py, AHRS_getAcceleration.py, AHRS_getAngularVelocity.py
AHRS_getEstimation.py, AHRS_getOrientation.py
- Error code: -8105 (relay port)
- image: product-EthanIA.jpg
- API: AHRS_getAcceleration, AHRS_getAngularVelocity

Fixed
- Sync API description with C
- Product summary
- Bug of using wrong `Sys_getDriverInfo` API in async example code
- Modify the API description of Motion_cfgLimit `en_forward` and `en_reverse`
- Modify the API description of Motion_getProcessState
- README.md: AHRS, AI24bit, DPOT, Motion, Drive
- Error code: The error code `-9301` description
- Example code: DI pin index in DIO_loopback_pins

Removed
- Example code: get_USB_info, AHRS_read
- API: AHRS_setSamplingPeriod, Motion_getParameters, Motion_loadParameters, Motion_saveParameters

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Added
- New product: EthanP, EthanEX_D, EthanIA
- Folder: Material
- -9300/ -9301/ -8401 error code
- API: AHRS_getEstimate

Fixed
- Class: WifiDAQE3AH

Removed
- API: AHRS_readStreaming

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Added
- The file AHRS_visualize_Qt.py that provides an interactive sensor visualisation interface
- viz_data folder, with plane images, 7 digit police, and themeWPC.qss for the style the PyQt interface

Changed
- The file AHRS_visualize.py: added animated pitch/roll/yaw plane images

Removed
- Unnecessary code in AHRS_visualize.py
- Data folder in AHRS/