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asking about the correct code

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boukamoha

boukamoha

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hi every one
now i'm doing my application using the spi interface for a calculator between two micro-controllers ...the first step i tried to interface this micro-controllers together with LCD..but i got the only the DATA transmission and no reception from the other micro-controller..the code is in the attachment..
please can some one tell me where is the problem located?and how to fix it
thx in advance
View attachment Slave code.txtView attachment master code.txtView attachment Slave code.txtView attachment master code.txt
 

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