[Ethercat Master]
Description
Get the EtherCAT Slave revision Number on EtherCAT bus.
Syntax
uint32_t getRevisionNumber(uint16_t slave_no);
Parameters
[in] unit16_t slave_no
The sequence number of the EtherCAT slave device on the network, 0 indicates the first slave device, 1 indicates the second slave device, and so on.
Return Value
Return the Revision Number of the specified slave. If an error occurs, it will return UINT32_MAX
.
Comment
This function must be called after a successful execution of EthercatMaster::begin()
. This function is non-blocking and can be called within the Cyclic Callback.
Example
#include "Ethercat.h" EthercatMaster master; void setup() { uint32_t slaverevisionnumber; uint16_t slavecount=1; Serial.begin(115200); while (!Serial); master.begin(); slaverevisionnumber = master.getRevisionNumber(slavecount); Serial.println(slaverevisionnumber); } void loop() { }
Please see the EtherCAT Library User Manual for more QEC EtherCAT instructions and API usage.