Changelog

All notable changes to the mTouch® library and the MPLAB® Code Configurator (MCC) module are documented here.

Version 2.80

Added

  • Added lump sensor support to combine multiple sensors internally for dual ADC device.
  • Added host interface to communicate with I2C host device.
  • Added PIC18 Q43 device support

Changed

  • Changed the TAD of 12-bit ADC to 0.5 uS, which shortens the CVD conversion time by half.
  • Changed the maximum allowed oversampling to 64 from 32.
  • Changed to load the ADCC module from the peripheral library so that the user can configure the ADC for other Tasks.

Fixed

  • Fixed the maximum charge timing of 12-bit ADC devices.
  • Fixed the bug of calculating the waveform timing

Version 2.70

Added

  • Added low power mode and automatic mode switching between normal and low power mode.
  • Added CVD waveform timing diagram in the configurator.
  • Added API example file when the project is generated.

Changed

  • Changed the parameter configuration from individual files into one centralized file (mtouch_config.h file).
  • Changed the gesture module API naming to be consistent with other modules.

Fixed

  • Fixed the debounce functionality when debounce is set to 2.
  • Fixed the RAM variable access bug in the surface debug communication module when compiler optimization set to SPACE.

Version 2.60.1

Added

  • Added wider range Timer1 tick setting support for scan scheduling.

Changed

  • Changed the frequency hop step for ADCC device to improve efficiency.

Fixed

  • Fixed bug in dual ADC acquisition, when TMR4 is used for scheduling the scan.
  • Fixed bug when button/proximity debouncing and AKS are both enabled.
  • Fixed bug in wheel interpolation.
  • Fixed bug when enabling surface module without gesture feature.
  • Fixed bug of documentation link.
  • Fixed bug of overlapped graph display in Data Visualizer.

Version 2.60

Added

  • Added 2D surface touch and gesture support.
  • Added communication support to 2D Touch Surface Utility.

Changed

  • Changed the sensor pin initialization responsibility to MCC pin manager.

Fixed

  • Fixed dual ADC acquisition with only one sensor in the scan group.
  • Fixed bug in button/proximity debouncing.
  • Fixed bug in auto calibration for ADCC devices.
  • Fixed the software CVD overrun issue due to other interrupts.

Changed

  • Changed MTOUCH_Sensor_ADCC_Initialize( ) as public function.

Fixed

  • Fixed Typo in the viewer and notification.
  • Fixed the bug for dual ADC acquisition code.
  • Fixed Data visualizer display label.
  • Fixed Callback function for polling option.
  • Fixed Baseline update bug for AKS™ technology.
  • Fixed the hysteresis implementation.
  • Fixed the proximity deviation calculation.

Version 2.50.1

Added

  • Added interrupt protection for the critical section in ADCC acquisition.

Changed

  • Changed MTOUCH_Sensor_ADCC_Initialize( ) as public function.

Fixed

  • Fixed Typo in the viewer and notification.
  • Fixed the bug for dual ADC acquisition code.
  • Fixed Data visualizer display label.
  • Fixed Callback function for polling option.
  • Fixed Baseline update bug for AKS™ technology.
  • Fixed the hysteresis implementation.
  • Fixed the proximity deviation calculation.

Version 2.50

Added

  • Slider and Wheel support.
  • Button/Proximity Sensor Suspend and Disable feature.
  • Reburst feature.
  • Hysteresis option.
  • Drive Idle sensor as shield option.

Changed

  • New user interface.
  • Changed the display label in Data Visualizer.
  • Changed CVD scan waveform for ADC² device for less emission.

Fixed

  • Debounce for button and proximity sensor.
  • Fixed the missing callback interface in the Proximity sensor module.

Version 2.40

Added

  • Button/Proximity Sensor debounce option.
  • Data Visualizer support for debugging.
  • Scan Rate option.

Changed

  • Changed to compile with MCC core v4.35.

Fixed

  • Fixed the bug in ADC² device acquisition.
  • Fixed the wrong typecast in mtouch_sensor.c file.

Version 2.30

Added

  • Added 12-bit ADC² devices support.
  • AKS technology group support.
  • Corrupted scan data protection.

Changed

  • Changed to compile with MCC core v4.26.

Version 2.00

Added

  • Added 10-bit ADC² devices support.
  • Added analog auto-calibration.

Changed

  • Changed to compile with MCC core v4.15.
  • Improved the AFA algorithm.
  • Changed the mtouch_sensor data structure.

Fixed

  • Fixed the notification.
  • Fixed the reloading issue.

Version 1.11

Changed

  • Changed to compile with MCC core v3.25.
  • Changed Frequency resolution for AFA.

Fixed

  • Fixed the notification.
  • Fixed the reloading issue.

Version 1.10

Added

  • Added dual ADC parts support (PIC16LF1554/1559/1566/1567).
  • Added button and proximity sensor reading filter option.
  • Added advanced filter for the proximity sensor.
  • Added individual oversampling, precharge and acquisition time option.
  • Added error handling in all the modules.

Changed

  • Changed code structure for AFA algorithm.

Removed

  • Removed ADC module dependency when configuring the mTouch module.

Fixed

  • Fixed the notification.
  • Fixed the reloading issue.

Version 1.00

Initial release for the mTouch library.

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