how to decode hex code ?

kartik6 years ago

hi .. i am using obd smart device which model number is idd 213le . i am applying castel protocol in my project . but i got odometer value wrong . so i decide to find all value from hex code . but using document i get few value like header , version ,id , type . but i can't understand that how you calculate other value like odometer , status , trip odometer ,total Flue consumption, current fuel consumption , latitude ,longitude.

following hex code i get : -

[3DD4CBBB: 5086 < 106.77.113.215] HEX: mahesh :40408500033231334c3230313730303035373700000000000010015988555b248b555b1de2040000000000000000000000010200000026297c1f001004011307120b083b3c40f104d02d8f0f00000000034944442d3231334c2056312e312e3420323031372d31322d3135203034004944442d3231334c2056312e312e30000000ff160d0a

[3DD4CBBB: 5086 > 106.77.113.215] HEX: mahesh :40402900033231334c323031373030303537370000000000009001ffffffff0000258b555b5dcd0d0a

[3DD4CBBB: 5086 < 106.77.113.215] HEX: mahesh :40401f00033231334c32303137303030353737000000000000100398250d0a40403800033231334c32303137303030353737000000000000a00200000100000105170f0034303432343232303031313035303352670d0a40406000033231334c323031373030303537370000000000004007180000005988555b098b555b1de2040000000000000000000000010200080027007900001004011307120b083b3c40f104d02d8f0f000000000301011c08000800fc230d0a

so how can i find other values ?

Anton Tananaev6 years ago

You need to read protocol documentation.