ECAP Capture Pwm

Table of Contents

• Introduction
• External Connections
  • AM263X-CC
  • AM263X-LP
• Supported Combinations
• Steps to Run the Example
• See Also
• Sample Output

Introduction

This example uses the ECAP in capture mode to capture PWM.

The example does the below

• Configures ECAP in Capture mode and captures the epwm output.
• It captures the time between the rising and falling edge of epwm output.

___________________          _____________             __________________
|                 |          |           |             |                |
|      EPWM       |---GPIO---| I/P XBAR  |---I/P MUX---|     ECAP       |---INT XBAR
|_________________|          |___________|             |________________|

External Connections

No external connection is required.

AM263X-CC

AM263X-LP

Supported Combinations

Parameter	Value
CPU + OS	r5fss0-0 nortos
Toolchain	ti-arm-clang
Boards	am263x-cc, am263x-lp
Example folder	examples/drivers/ecap/ecap_capture_pwm/

Steps to Run the Example

• When using CCS projects to build, import the CCS project for the required combination and build it using the CCS project menu (see Using SDK with CCS Projects).
• When using makefiles to build, note the required combination and build using make command (see Using SDK with Makefiles)
• Establish connections as mentioned in External Connections section
• Launch a CCS debug session and run the executable, see CCS Launch, Load and Run

See Also

ECAP

Sample Output

Shown below is a sample output when the application is run,

ECAP Capture Pwm Test Started ...
Interrupt No.: 10 and Pass Count: 10
ECAP Capture Pwm Passed!!
All tests have passed!!