Why is the output of human opposite to that of cantools?

[guoh27]

The DBC:

VERSION ""


NS_ : 
	NS_DESC_
	CM_
	BA_DEF_
	BA_
	VAL_
	CAT_DEF_
	CAT_
	FILTER
	BA_DEF_DEF_
	EV_DATA_
	ENVVAR_DATA_
	SGTYPE_
	SGTYPE_VAL_
	BA_DEF_SGTYPE_
	BA_SGTYPE_
	SIG_TYPE_REF_
	VAL_TABLE_
	SIG_GROUP_
	SIG_VALTYPE_
	SIGTYPE_VALTYPE_
	BO_TX_BU_
	BA_DEF_REL_
	BA_REL_
	BA_DEF_DEF_REL_
	BU_SG_REL_
	BU_EV_REL_
	BU_BO_REL_
	SG_MUL_VAL_

BS_:

BU_: New_Node_1

BO_ 0 New_Message_1: 8 New_Node_1
 SG_ New_Signal_8 : 56|8@1- (1,0) [-128|127] "" Vector__XXX
 SG_ New_Signal_7 : 48|8@1- (1,0) [-128|127] "xx" Vector__XXX
 SG_ New_Signal_6 : 40|8@1- (1,0) [-128|127] "xx" Vector__XXX
 SG_ New_Signal_5 : 32|8@1- (1,0) [-128|127] "xx" Vector__XXX
 SG_ New_Signal_4 : 24|8@1- (1,0) [-128|127] "xx" Vector__XXX
 SG_ New_Signal_3 : 16|8@1- (1,0) [-128|127] "xx" Vector__XXX
 SG_ New_Signal_2 : 8|8@1- (1,0) [-128|127] "xx" Vector__XXX
 SG_ New_Signal_1 : 7|8@0- (1,0) [-128|127] "xx" Vector__XXX



BA_DEF_  "MultiplexExtEnabled" ENUM  "No","Yes";
BA_DEF_  "BusType" STRING ;
BA_DEF_DEF_  "MultiplexExtEnabled" "No";
BA_DEF_DEF_  "BusType" "CAN";

dbcparser format human output

Name:       New_Message_1
  ID:         0x0
  Length:     0x8
  Sender:     New_Node_1
  Layout:
                          Bit
             7   6   5   4   3   2   1   0
           +---+---+---+---+---+---+---+---+
         0 |--x|   |   |   |   |   |   |   |
           +---+---+---+---+---+---+---+---+
             +-- New_Signal_1                            
           +---+---+---+---+---+---+---+---+
         1 |<-----------------------------x|
           +---+---+---+---+---+---+---+---+
                                         +-- New_Signal_2
           +---+---+---+---+---+---+---+---+
         2 |<-----------------------------x|
           +---+---+---+---+---+---+---+---+
                                         +-- New_Signal_3
           +---+---+---+---+---+---+---+---+
         3 |<-----------------------------x|
           +---+---+---+---+---+---+---+---+
                                         +-- New_Signal_4
           +---+---+---+---+---+---+---+---+
         4 |<-----------------------------x|
           +---+---+---+---+---+---+---+---+
                                         +-- New_Signal_5
           +---+---+---+---+---+---+---+---+
         5 |<-----------------------------x|
           +---+---+---+---+---+---+---+---+
                                         +-- New_Signal_6
           +---+---+---+---+---+---+---+---+
         6 |<-----------------------------x|
           +---+---+---+---+---+---+---+---+
                                         +-- New_Signal_7
           +---+---+---+---+---+---+---+---+
         7 |<-----------------------------x|
           +---+---+---+---+---+---+---+---+
                                         +-- New_Signal_8

cantools dump output

Name:           New_Message_1
  Id:             0x0
  Length:         8 bytes
  Cycle time:     - ms
  Senders:        New_Node_1
  Layout:

                          Bit

             7   6   5   4   3   2   1   0
           +---+---+---+---+---+---+---+---+
         0 |<-----------------------------x|
           +---+---+---+---+---+---+---+---+
                                         +-- New_Signal_1
           +---+---+---+---+---+---+---+---+
         1 |<-----------------------------x|
           +---+---+---+---+---+---+---+---+
             +-- New_Signal_2
           +---+---+---+---+---+---+---+---+
         2 |<-----------------------------x|
           +---+---+---+---+---+---+---+---+
             +-- New_Signal_3
           +---+---+---+---+---+---+---+---+
         3 |<-----------------------------x|
     B     +---+---+---+---+---+---+---+---+
     y       +-- New_Signal_4
     t     +---+---+---+---+---+---+---+---+
     e   4 |<-----------------------------x|
           +---+---+---+---+---+---+---+---+
             +-- New_Signal_5
           +---+---+---+---+---+---+---+---+
         5 |<-----------------------------x|
           +---+---+---+---+---+---+---+---+
             +-- New_Signal_6
           +---+---+---+---+---+---+---+---+
         6 |<-----------------------------x|
           +---+---+---+---+---+---+---+---+
             +-- New_Signal_7
           +---+---+---+---+---+---+---+---+
         7 |<-----------------------------x|
           +---+---+---+---+---+---+---+---+
             +-- New_Signal_8

Is the

           +---+---+---+---+---+---+---+---+
         0 |--x|   |   |   |   |   |   |   |
           +---+---+---+---+---+---+---+---+
             +-- New_Signal_1 

right?

[guoh27]

This dbc is actually overlapping, but output seems no problem.

BO_ 0 New_Message_1: 8 New_Node_1
 SG_ New_Signal_8 : 56|8@1- (1,0) [-128|127] "" Vector__XXX
 SG_ New_Signal_7 : 48|8@1- (1,0) [-128|127] "xx" Vector__XXX
 SG_ New_Signal_6 : 40|8@1- (1,0) [-128|127] "xx" Vector__XXX
 SG_ New_Signal_5 : 32|8@1- (1,0) [-128|127] "xx" Vector__XXX
 SG_ New_Signal_4 : 24|8@1- (1,0) [-128|127] "xx" Vector__XXX
 SG_ New_Signal_3 : 16|8@1- (1,0) [-128|127] "xx" Vector__XXX
 SG_ New_Signal_2 : 8|8@1- (1,0) [-128|127] "xx" Vector__XXX
 SG_ New_Signal_1 : 0|8@0- (1,0) [-128|127] "xx" Vector__XXX

 Name:       New_Message_1
  ID:         0x0
  Length:     0x8
  Sender:     New_Node_1
  Layout:
                          Bit
             7   6   5   4   3   2   1   0
           +---+---+---+---+---+---+---+---+
         0 |<-----------------------------x|
           +---+---+---+---+---+---+---+---+
                                         +-- New_Signal_1
           +---+---+---+---+---+---+---+---+
         1 |<-----------------------------x|
           +---+---+---+---+---+---+---+---+
                                         +-- New_Signal_2
           +---+---+---+---+---+---+---+---+
         2 |<-----------------------------x|
           +---+---+---+---+---+---+---+---+
                                         +-- New_Signal_3
           +---+---+---+---+---+---+---+---+
         3 |<-----------------------------x|
           +---+---+---+---+---+---+---+---+
                                         +-- New_Signal_4
           +---+---+---+---+---+---+---+---+
         4 |<-----------------------------x|
           +---+---+---+---+---+---+---+---+
                                         +-- New_Signal_5
           +---+---+---+---+---+---+---+---+
         5 |<-----------------------------x|
           +---+---+---+---+---+---+---+---+
                                         +-- New_Signal_6
           +---+---+---+---+---+---+---+---+
         6 |<-----------------------------x|
           +---+---+---+---+---+---+---+---+
                                         +-- New_Signal_7
           +---+---+---+---+---+---+---+---+
         7 |<-----------------------------x|
           +---+---+---+---+---+---+---+---+
                                         +-- New_Signal_8

the New_Signal_1 is Big Endian