Siemens SIMATIC S7 Operating Instructions Manual page 55

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C-Adapter
int as200_mix_read (void* data, void* buffer);
Example:
Input byte 0, output byte 3 and variable memory bytes 5 and 6 are read and the
values are stored in variables e, a v5 and v6.and d:
C-Adapter
#include <w95_s7.h>
#pragma pack(1)
typedef struct {
data_type data[10];
#pragma pack()
char buffer[100];
char e,a,v5,v6;
int v;
int error;
:
:
data[0].typ = 'e';
data[0].size= 'b';
data[0].no
data[1].typ = 'a';
data[1].size= 'b';
data[1].no
data[2].typ = 'v';
data[2].size= 'b';
data[2].no
data[3].typ = 'v';
data[3].size= 'b';
data[3].no
data[4].typ = 0;
error = mix_read(data,buffer);
e = buffer[0];
a = buffer[1];
v5= buffer[2];
v6= buffer[3];
:
Toolbox for Data Link PGs/PCs to SIMATIC S7
char typ;
char size;
int dbno;
int no;
} data_type;
/* eingangsbyte 0 */
= 0;
/* ausgangsbyte 3 */
= 3;
/* variablen speicher byte 5 */
= 5;
/* variablen speicher byte 6 */
= 6;
/* endekennung der liste */
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PRODAVE S7