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22 extern "C" { |
22 extern "C" { |
23 #endif |
23 #endif |
24 |
24 |
25 //from big endian to little endian |
25 //from big endian to little endian |
26 int invert_endianness(int number){ |
26 int invert_endianness(int number){ |
27 uint8_t n1,n2,n3,n4; |
27 return bswap_32(number); |
28 uint32_t a1,a2,a3,a4; |
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29 uint32_t done = 0; |
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30 |
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31 n1 = number; |
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32 n2 = number >> 8; |
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33 n3 = number >> 16; |
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34 n4 = number >> 24; |
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35 |
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36 //printf("%X, %X, %X, %X\n", n1, n2, n3, n4); |
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37 a1 = (uint32_t) n1 << 24; |
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38 a2 = (uint32_t) n2 << 16; |
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39 a3 = (uint32_t) n3 << 8; |
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40 a4 = (uint32_t) n4; |
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41 done = a1 + a2 + a3 + a4; |
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42 //printf("%08X %08X %08X %08X = %08X\n", a1, a2, a3, a4, done); |
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43 return done; |
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44 } |
28 } |
45 |
29 |
46 #ifdef __CPLUSPLUS |
30 #ifdef __CPLUSPLUS |
47 } |
31 } |
48 #endif |
32 #endif |