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some swapping functions for big and little endian for eiger

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git-svn-id: file:///afs/psi.ch/project/sls_det_software/svn/slsDetectorSoftware@602 951219d9-93cf-4727-9268-0efd64621fa3
This commit is contained in:
l_maliakal_d
2013-06-13 13:28:12 +00:00
parent 6c6a7c2679
commit 58824d6d72
6 changed files with 84 additions and 10 deletions
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49
slsDetectorSoftware/commonFiles/communication_funcs.c
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@ -263,6 +263,55 @@ void exitServer(int socketDescriptor) {
void swapData(void* val,int length,intType itype){
switch(itype){
case INT16: swap16(val,length); break;
case INT32: swap32(val,length); break;
case INT64: swap64(val,length); break;
default: break;
}
}
void swap16(int16_t* val,int length){
printf("not implemented\n");
}
void swap32(int32_t* val,int length){
int i;
for(i=0; length > 0; i++){
val[i] = ((val[i] << 8) & 0xFF00FF00) | ((val[i] >> 8) & 0xFF00FF );
val[i] = (val[i] << 16) | ((val[i] >> 16) & 0xFFFF);
length -= sizeof(int32_t);
}
}
void swap64(int64_t* val,int length){
int i;
for(i=0; length > 0; i++){
val[i] = ((val[i] << 8) & 0xFF00FF00FF00FF00ULL ) | ((val[i] >> 8) & 0x00FF00FF00FF00FFULL );
val[i] = ((val[i] << 16) & 0xFFFF0000FFFF0000ULL ) | ((val[i] >> 16) & 0x0000FFFF0000FFFFULL );
val[i] = (val[i] << 32) | ((val[i] >> 32) & 0xFFFFFFFFULL);
length -= sizeof(int64_t);
}
}
int sendData(int file_des, void* buf,int length, intType itype){
int ret = sendDataOnly(file_des, buf, length);
#ifdef EIGERD
swapData(buf, length, itype);
#endif
return ret;
}
int receiveData(int file_des, void* buf,int length, intType itype){
int ret = receiveDataOnly(file_des, buf, length);
#ifdef EIGERD
swapData(buf, length, itype);
#endif
return ret;
}
int sendDataOnly(int file_des, void* buf,int length) {