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In Capsense V5.1 , uint32 CapSense_IsProximitySensorActive (uint32 widgetId, uint32 proxId), what's the return?
how Bit[1]=1 represent touched? or Bit[1]=0, what's it represent? and what's of bit[0] mean? please explain???
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Hi David,
There are two thresholds that can be set for proximity sensor: touch and proximity threshold.
Proximity threshold is defined as the level to detect an approaching hand/finger.
Touch threshold is defined as the level to detect a touch on the sensor (Touch threshold will always be greater than proximity threshold).
Bit[1] indicates if the signal/difference counts is above the touch threshold.
Bit[0] indicates if the signal/difference counts is above the proximity threshold.
You can refer to page 108 of http://www.cypress.com/file/420216/download (CapSense component datasheet: Sns status)
Thanks,
Shanmathi
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Hi David,
There are two thresholds that can be set for proximity sensor: touch and proximity threshold.
Proximity threshold is defined as the level to detect an approaching hand/finger.
Touch threshold is defined as the level to detect a touch on the sensor (Touch threshold will always be greater than proximity threshold).
Bit[1] indicates if the signal/difference counts is above the touch threshold.
Bit[0] indicates if the signal/difference counts is above the proximity threshold.
You can refer to page 108 of http://www.cypress.com/file/420216/download (CapSense component datasheet: Sns status)
Thanks,
Shanmathi