Cypress CE66058 Podręcznik - Strona 7

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Software Setup

You need the following tools to set up the software:



PSoC Designer (version 5.3 or higher)



PSoC Programmer (version 3.13 or higher)



BCP

The user modules (UMs) used in this project and the hardware resources occupied by each user module are listed in

The ReadMe.txt file, available in the project, describes the parameter settings for the user modules used in this code example.

It also includes a list of the global resources.

Operation

Figure 8

shows the firmware flow of the project.

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Table 4. User Modules and Hardware Resources

User Module

CSD

EzI2Cs

Figure 8. Functional Flow of Firmware

Start

Enable global

interuupts

Set I2C RAM

buffer

Start I2C and CSD

Initialize

CapSense

Baselines

Document No. 001-66058 Rev.*E

Hardware Resources

ACB01, DBB00, DBB01, DCB02

C Block

Loop forever

Scan sensor 0-3

with Rb1 and

sensor 4 with Rb2

Update all

baselines and

check if any

sensor is active

Update I2C RAM buffer with

CapSense parameters

(RawCount, Baseline,

Difference Counts)

Dynamically Switch CSD Bleed Resistor

Table