AM263x MCU+ SDK  09.01.00
SENT

Table of Contents

Introduction

The SENT receiver firmware running on PRU-ICSS provides an interface to execute the SENT protocol. The SENT application interacts with the SENT receiver firmware interface. The SENT firmware and examples are based on GPIO interface from PRU-ICSS.

Feature Supported

Feature                             Support Remarks                                              
No. of Channels                     8       Can support 1 to 8 channels                       
Min Tick Period                     500ns   Experimental support  
Sync Correction                     Yes     20% tolerance value                                  
Frame buffering                   No     Supports only Single frame buffering                 
Configurable FIFO                 No     Will be implemented in future release                 
Receiving 1 – 6 Data Nibbles       Yes     Receiving and decoding Supported in Firmware          
CRC calculation                     Yes     CRC calculation done along with data nibble reception
Pause Pulse                         No       Will be implemented in future release                
Short Serial Message Format         No       Will be implemented in future release                
Enhanced Serial Message Format     No       Will be implemented in future release                
Successive Calibration Pulse Check No       Will be implemented in future release                
Selectable data length for receive No       Will be implemented in future release                

SysConfig Features

Note
It is strongly recommend to use SysConfig where it is available instead of using direct SW API calls. This will help simplify the SW application and also catch common mistakes early in the development cycle.

SysConfig can be used to configure things mentioned below:

  • Syscfg based customization will be supported in future releases.

SENT Design

SENT Decoder Design explains the firmware design in detail.

Example