US 10,120,499 B2 · Capacitance detection method and device based on capacitive touch controller chip

Abstract

A capacitance detection method based on a capacitive touch controller chip includes: setting configuration information of a plurality of detection channels, the configuration information includes information of activating sequence and pre-configuration information of a plurality of respective detection channels (201); pre-configuring the plurality of respective channels before detection in accordance with the pre-configuration information (202); activating a first detection channel in accordance with the information of activating sequence, and detecting a capacitance value generated by touch of a user in the currently activated channel (203); and activating a next channel in accordance with the information of activating sequence, and continuing to perform detection on a capacitance value of the next channel until completing the detection of capacitance values of all detection channels (204). The method can enhance the flexibility of setting detection channels.

Claims14

Dependent claims

A capacitance detection method based on a capacitive touch controller chip, used for detecting capacitance values of detection channels, wherein the method comprises:

setting configuration information of the detection channels, the configuration information of the detection channels comprises information of activating sequence of respective detection channels and pre-configuration information of the respective detection channels;
pre-configuring for the respective detection channels before detecting in accordance with the pre-configuration information of the respective detection channels;
activating a first detection channel in accordance with the information of activating sequence of the respective detection channels, and detecting a capacitance value generated by touch of a user in a currently activated detection channel;
and
activating, when the capacitance value of the currently activated channel is completed, a next detection channel in accordance with the information of activating sequence, and continuing to perform detection on a capacitance value of the next detection channel.

2 more elements

A capacitance detection device based on a capacitive touch controller chip, used for detecting capacitance values of detection channels, wherein the device comprises:

a processor;
and
a non-transitory memory having processor-executable instructions stored thereon that, when executed on the processor, cause the capacitance detection device to:
set configuration information of the detection channels, the configuration information of the detection channels comprises information of activating sequence of the respective detection channels and pre-configuration information of the respective detection channels;
pre-configure for the respective detection channels before detecting in accordance with the pre-configuration information of the respective detection channels;
activate a first detection channel in accordance with the information of activating sequence of the respective detection channels;
detect a capacitance value generated by touch of a user in the currently activated detection channel;
activate a next detection channel in accordance with the information of activating sequence when the capacitance value of the currently activated detection channel is completed;
and
continue to perform detection of a capacitance value on the next detection channel.

7 more elements

Dependencies are inferred from the claim text.

Capacitance detection method and device based on capacitive touch controller chip

Life of this patent

Capacitance detection method and device based on capacitive touch controller chip

Life of this patent

Abstract

Claims14