I've fixed the issue.

The issue was that the server code used ParseFromString() instead of 
ParseFromArray();

On Monday, 7 May 2012 19:19:54 UTC+10, xTatic53 wrote:
>
> Hi guys,
>
> I'm writing a android program to forward ecg data from android to a server 
> program written in C. Currently I am testing it with a simple sinusoidal 
> wave, however I've noticed that I've been getting random value drops of 0 
> in the magnitude field and i can't figure out why.
>
> I'm also new to java. Thanks in advance!
>
> protobuf version: protobuf-2.4.1 (lite on android client)
> PROTOC:
>
>
> <https://lh4.googleusercontent.com/-XvWU-01rBqg/T6eRBLzwjKI/AAAAAAAAAEA/x27VHJ5pygU/s1600/protoc.PNG>
>
>
> C++ SERVER CODE SNIPPET :
>
>
> <https://lh5.googleusercontent.com/-uAk1bs1ZH6g/T6eQvW2IzeI/AAAAAAAAAD4/bYzfiFoSq2U/s1600/cserver.PNG>
> ANDROID CLIENT:
>
>
>
> <https://lh4.googleusercontent.com/-t004EGTmDQk/T6eS0Rwb38I/AAAAAAAAAEI/JI4taFj7Zng/s1600/client.PNG>
>
> Server receives:
>
> BUFFER MAP:
> 8 2 1a b 8 2 11 ffffffcb 0 3f ffffff95 3 ffffffb9 79 3f 0 0 0 0 0 0 0 0 0 
> 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
> 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
> 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
> Time: 2 Magnitude: 0
>
>  
>
> BUFFER MAP:
> 8 2 1a b 8 3 11 ffffffce ffffffd6 ffffff94 4c ffffffb8 4a ffffff83 3f 0 0 
> 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
> 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
> 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
> Time: 3 Magnitude: 0.00941986
>
>  
>
> BUFFER MAP:
> 8 2 1a b 8 4 11 b 66 58 57 ffffffe2 ffffffb8 ffffff89 3f 0 0 0 0 0 0 0 0 0 
> 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
> 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
> 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
> Time: 4 Magnitude: 0.0125597
>
>  
>
> BUFFER MAP:
> 8 2 1a b 8 5 11 ffffffa7 ffffffb9 ffffff9d ffffffe1 7d 13 ffffff90 3f 0 0 
> 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
> 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
> 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
> Time: 5 Magnitude: 0.0156994
>
>  
>
> BUFFER MAP:
> 8 2 1a b 8 6 11 ffffff8d 0 4d 34 ffffff80 4a ffffff93 3f 0 0 0 0 0 0 0 0 0 
> 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
> 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
> 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
> Time: 6 Magnitude: 0
>
>  
>
> BUFFER MAP:
> 8 2 1a b 8 7 11 4b ffffffbf ffffffee f 76 ffffff81 ffffff96 3f 0 0 0 0 0 0 
> 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
> 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
> 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
> Time: 7 Magnitude: 0.0219782
>
>  
>
> BUFFER MAP:
> 8 2 1a b 8 8 11 5c ffffffbb ffffffbf 60 5d ffffffb8 ffffff99 3f 0 0 0 0 0 
> 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
> 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
> 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
> Time: 8 Magnitude: 0.0251174
>
>  
>
> BUFFER MAP:
> 8 2 1a b 8 9 11 ffffffc5 1f 6 13 34 ffffffef ffffff9c 3f 0 0 0 0 0 0 0 0 0 
> 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
> 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
> 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
> Time: 9 Magnitude: 0.0282562
>
>  
>
> BUFFER MAP:
> 8 2 1a b 8 a 11 52 6a ffffff89 9 fffffffc 12 ffffffa0 3f 0 0 0 0 0 0 0 0 0 
> 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
> 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
> 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
> Time: 10 Magnitude: 0.0313948
>
>  
>
> BUFFER MAP:
> 8 2 1a b 8 b 11 61 6b ffffffa1 ffffffa6 53 ffffffae ffffffa1 3f 0 0 0 0 0 
> 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
> 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
> 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
> Time: 11 Magnitude: 0.0345331
>
>  
>
> BUFFER MAP:
> 8 2 1a b 8 c 11 ffffff8b 47 0 ffffffd7 ffffff9f 49 ffffffa3 3f 0 0 0 0 0 0 
> 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
> 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 
> 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
> Time: 12 Magnitude: 0
>
>
>

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