COObjRdBufStart
Description
This function starts the read operation at the beginning of the byte stream from the given object directory entry into the given destination buffer.
Prototype
CPU_INT16S COObjRdBufStart(CO_OBJ *obj ,
void *buffer,
CPU_INT08U len);
| Parameter | Description |
|---|---|
obj | pointer to the CANopen directory entry |
buffer | pointer to the destination buffer |
| len | length of destination buffer |
Returned Value
= CO_ERR.NONE Successful operation
!= CO_ERR.NONE An error is detected (see section "Error Identification")
Example
The following example reads the byte-stream of the hypothetical application specific object entry "[1234:56]" within the object directory of the CANopen node AppNode.