Cypress Semiconductor CapSense® Controller kit CY3280-BK1 CY3280-BK1 CY3280-BK1 Manual De Usuario
Los códigos de productos
CY3280-BK1
CY3280-BK1 Universal CapSense Controller Quick Start, Doc. # 001-37959 Rev. **
15
4.
Tune a PSoC Express CapSense Project
Note: A CY3240-I2USB Bridge is needed for CapSense tuning. If you do not have a CY3240-I2USB
Bridge board, purchase one online by going to
Bridge board, purchase one online by going to
, and click-
ing Buy Online.
The goal of tuning a capacitive sensing application is to adjust the sensitivity of the buttons or slider
so that they accurately detect finger presses. This involves determining which raw counts coming
from the sensor are actual finger presses, or if it is some other stimuli that changes the raw count.
so that they accurately detect finger presses. This involves determining which raw counts coming
from the sensor are actual finger presses, or if it is some other stimuli that changes the raw count.
Detailed tuning information is available in the CapSense Guide. In PSoC Express, select Help
Documentation, and select CapSense Guide.
Open Your PSoC Express Project
4.1 In PSoC Express, if the project from the previous example is closed, select MyExpressProject
in the Recent Project pane (or click browse and open the project).
4.2 If you are not in the Design view, click Design
.
Add an I
2
C Slave Driver to Your Design
4.3 In the Driver Catalog pane, go to Interfaces
Communication I2C, and add a Slave driver
to your design.
4.4 In the Add Interface window, name the driver I2CSlave and click OK.
Build the Project
4.5 Select Build
Generate/Build ‘MyExpressProject’ Project
4.6 In the PSoC Device Configuration Selection window, select the CY8C20434, 32-Pin QFN part
in the Available Device Configurations pane.
4.7 Ensure the Assign pins automatically check box is NOT selected.
4.8 Click Next.