otto_funcadr_data Union Reference

Functional addressing message data. More...

#include <packet.h>

List of all members.

Public Attributes
struct {
}	fmt0
	Functional packet format 0 No additional data bytes.
struct {
unsigned char   data [OTTO_PACKET_LENGTH_MAX-1]
	Parametric data.
}	fmt1
	Functional packet format 1 Only parametric data.
struct {
otto_funcadr_sec_adr   sec_id
	Secondary address.
unsigned char   data [OTTO_PACKET_LENGTH_MAX-2]
	Data.
}	fmt2
	Functional packet format 2 Secondary address and optional data.
struct {
otto_funcadr_sec_adr   sec_id
	Secondary address.
otto_funcadr_ext_adr   ext_id
	Extended address.
unsigned char   data [OTTO_PACKET_LENGTH_MAX-3]
	Data.
}	fmt3
	Functional packet format 3 Secondary and extended addresses and optional data.
struct {
unsigned char   mode
	Functional test mode.
unsigned char   data [OTTO_PACKET_LENGTH_MAX-2]
	Data.
}	fmt4
	Functional packet format 4 Test mode for SAE J1979. mode is similar to secondary ID with extended address, where Q=0, C=0 for request, C=1 for response, and extended address is parameter id (PID) or test id, if used.

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Detailed Description

Functional addressing message data.

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Member Data Documentation

unsigned char otto_funcadr_data::data[OTTO_PACKET_LENGTH_MAX-2]

Data.

struct otto_funcadr_ext_adr otto_funcadr_data::ext_id

Extended address.

struct { ... } otto_funcadr_data::fmt0

Functional packet format 0 No additional data bytes.

struct { ... } otto_funcadr_data::fmt1

Functional packet format 1 Only parametric data.

struct { ... } otto_funcadr_data::fmt2

Functional packet format 2 Secondary address and optional data.

struct { ... } otto_funcadr_data::fmt3

Functional packet format 3 Secondary and extended addresses and optional data.

struct { ... } otto_funcadr_data::fmt4

Functional packet format 4 Test mode for SAE J1979. mode is similar to secondary ID with extended address, where Q=0, C=0 for request, C=1 for response, and extended address is parameter id (PID) or test id, if used.

unsigned char otto_funcadr_data::mode

Functional test mode.

struct otto_funcadr_sec_adr otto_funcadr_data::sec_id

Secondary address.

struct otto_funcadr_sec_adr otto_funcadr_data::sec_id

Secondary address.

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The documentation for this union was generated from the following file:

• include/otto/packet.h

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