Hi Etienne, I would not be surprised to see some sort of "not implemented yet" remark from me on it ;-)
Chris Am 19.03.20, 13:42 schrieb "Robinet, Etienne" <[email protected]>: Hi all, The PLC is indeed bigEndian. There were some leftovers from another branch I modified for AB. The code works fine now. But the String read still does not work on that branch is that right? Etienne Le jeu. 19 mars 2020 à 13:21, Christofer Dutz <[email protected]> a écrit : > Hi all, > > sorry for not replying sooner ... currently helping another Apache project > sort out their release problems :/ > > I am no expert on the direct encoding, but I would be surprised if we had > such an un-noticed error in this protocol for these elementary datatypes > because we would have heard complaints sooner. What type of PLC are you > using? > > Chris > > > > Am 19.03.20, 13:14 schrieb "Cesar Garcia" <[email protected]>: > > Hi, > > Th Simatic S7 is Big Endian. > > I have NOT seen the code generated by the mspec or the infrastructure, > but > in general your code must perform the conversion. > > With Netty ByteBuf it is compatible by default. > > My grain of sand > > Best regards, > > El mié., 18 mar. 2020 a las 14:41, Etienne Robinet (<[email protected] > >) > escribió: > > > Hi all, > > After spending some time on my work, I wanted to make some tests > with the > > S7. After I pulled from the actaul dev branch, I noticed an error: > seems > > like the Parser for INT and REAL datatype does not work (for me at > least). > > I don't understand why but from wireshark and debugging it seems > like the > > data from the read response are Big Endian, although the requests are > > little endian. > > Maybe I did not use correct instruction, but from what I remember, > S7 is > > little endian. Here the case: > > > > Trying to read a REAL number in the DB1 with offset 0 : > %DB1.DBD0:REAL > > Trying to read a INT number in the DB1 with offset 8 : %DB1.DBW8:INT > > > > As I said, from the Wireshark dump, the request is ok... but the data > > comes back Big endian. > > > > Etienne > > > > > -- > *CEOS Automatización, C.A.* > *GALPON SERVICIO INDUSTRIALES Y NAVALES FA, C.A.,* > *PISO 1, OFICINA 2, AV. RAUL LEONI, SECTOR GUAMACHITO,* > > *FRENTE A LA ASOCIACION DE GANADEROS,BARCELONA,EDO. ANZOATEGUI* > *Ing. César García* > *Cel: 0416-681.03.99* > > *Cel: 0414-760.98.95* > > *Hotline Técnica SIEMENS: 0800 1005080* > > *Email: [email protected] > <[email protected]>* > > >
