/
helper.d
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/
helper.d
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/**
* Helper functions
*/
module dinodave.helper;
import std.conv;
import std.exception;
import dinodave.nodave;
void put8(ubyte[] buffer, in int value) {
davePut8(buffer.ptr, value);
}
void put16(ubyte[] buffer, in int value) {
davePut16(buffer.ptr, value);
}
void put32(ubyte[] buffer, in int value) {
davePut32(buffer.ptr, value);
}
void putFloat(ubyte[] buffer, in float value) {
davePutFloat(buffer.ptr, value);
}
void put8At(ubyte[] buffer, in int pos, in int value) {
enforce(pos < buffer.length && pos >= 0);
davePut8At(buffer.ptr, pos, value);
}
void put16At(ubyte[] buffer, int pos, in int value) {
enforce(pos < (buffer.length - 1) && pos >= 0);
davePut16At(buffer.ptr, pos, value);
}
void put32At(ubyte[] buffer, in int pos, in int value) {
enforce(pos < (buffer.length - 3) && pos >= 0);
davePut32At(buffer.ptr, pos, value);
}
void putFloatAt(ubyte[] buffer, in int pos, in float value) {
enforce(pos < (buffer.length - 3) && pos >= 0);
davePutFloatAt(buffer.ptr, pos, value);
}
ubyte toBCD(ubyte i) {
return daveToBCD(i);
}
ubyte fromBCD(ubyte i) {
return daveFromBCD(i);
}
/**
* Get error code description
*
* Params: code = error code
*
*
* Returns: description of error
* Generally, positive error codes represent errors reported by the PLC,
* while negative ones represent errors detected by LIBNODAVE, e.g. no response from the PLC.
*/
string strerror(int code) {
return to!(string)(daveStrerror(code));
}