Moxa Technologies IA261 Manual de usuario descargar pdf (Pagina 51)

IA261/262 WinCE User’s Manual CANopen Library

B-15

y Parameters

d: [input] Node handle pointer.

wIndex: [input] The index in the object dictionary where you want to write an entry.

bSubindex: [input] The subindex of the Index.

Callback: [input] assigned callback function.

y Return Values

NULL if index not found, else: return the table part of the object dictionary.

13. moxa_sendPDO

This function is used to send PDO.

y Syntax

UNS8 moxa_sendPDO (CO_Data* d, s_PDO pdo, UNS8 request)

y Parameters

d: [input] Node handle pointer.

pdo: [input] pdo is a structure which contains the data to transmit.

typedef struct struct_s_PDO {

UNS32 cobId; /* COB-ID */

UNS8 len; /* Number of data transmitted (in data[]) */

UNS8 data[8]; /* Contain the data */

}s_PDO;

Request: [input] Request can take the value REQUEST or NOT_A_REQUEST.

y Return Values

0xFF: Can’t send PDO because the state of node is not in operational mode.

1: Success, 0: Fail.

14. moxa_PDOmGR

Prepare a PDO frame transmission.

y Syntax

UNS8 moxa_PDOmGR (CO_Data* d, UNS32 cobId)

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Moxa Technologies IA261 Manual de usuario Pagina 51