Mitsubishi Electric Q06CCPU-V, Руководство пользователя

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13
COMMUNICATIONS BETWEEN CPU MODULES
13.3 Data Communications Using CPU Shared Memory
13.3.4 Data communications without using auto refresh
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HOOTING
Receiving side program for CPU No.2 (C Controller module)
{
:
unsigned short usBuf; /* Data storage destination */
unsigned short pusData[128]; /* Data storage destination */
:
/****************************************************************/
/* The ON status of CPU No.1 data set completion bit is detected.*/
/****************************************************************/
while(1){
sRet = QBF_FromBuf(lPath, 0x3E0, 10010, 1, &usBuf, 1);
if( sRet != 0) return(sRet);
if( (usBuf & 0x1) == 0x1 ) break; /* When 1 is set, processing gets out from the loop. */
taskDelay(2);
}
/****************************************************************/
/* Data are read out from CPU No.1 user setting area. */
/****************************************************************/
sRet = QBF_FromBuf(lPath, 0x3E0, 10000, 10, pusData, 128);
if( sRet != 0) return(sRet);
/****************************************************************/
/* CPU No.2 data processing completion bit turns ON. */
/****************************************************************/
usBuf = 1;
sRet = QBF_ToBuf(lPath, 0x3E1, 10000, 1, &usBuf, 1);
if( sRet != 0) return(sRet);
/****************************************************************/
/* The OFF status of CPU No.1 data set completion bit is detected.*/
/****************************************************************/
while(1){
sRet = QBF_FromBuf(lPath, 0x3E0, 10010, 1, &usBuf, 1);
if( sRet != 0) return(sRet);
if( (usBuf & 0x1) == 0x0 ) break; /* When 0 is set, processing gets out from the loop. */
taskDelay(2);
}
/****************************************************************/
/* CPU No.2 data processing completion bit turns OFF. */
/****************************************************************/
usBuf = 0;
sRet = QBF_ToBuf(lPath, 0x3E1, 10000, 1, &usBuf, 1);
if( sRet != 0) return(sRet);
}
Figure 13.25 Interlock program example (continued)
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