mirror of
https://git.rwth-aachen.de/acs/public/villas/node/
synced 2025-03-23 00:00:01 +01:00
0735eb0f89
And various other cleanups and harmonizations Signed-off-by: Steffen Vogel <steffen.vogel@opal-rt.com>
78 lines
1.8 KiB
C++
78 lines
1.8 KiB
C++
/* Round hook.
|
|
*
|
|
* Author: Manuel Pitz <manuel.pitz@eonerc.rwth-aachen.de>
|
|
* SPDX-FileCopyrightText: 2014-2023 Institute for Automation of Complex Power Systems, RWTH Aachen University
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*/
|
|
|
|
#include <cstring>
|
|
|
|
#include <villas/hook.hpp>
|
|
#include <villas/sample.hpp>
|
|
|
|
namespace villas {
|
|
namespace node {
|
|
|
|
class RoundHook : public MultiSignalHook {
|
|
|
|
protected:
|
|
unsigned precision;
|
|
|
|
public:
|
|
RoundHook(Path *p, Node *n, int fl, int prio, bool en = true) :
|
|
MultiSignalHook(p, n, fl, prio, en),
|
|
precision(1)
|
|
{ }
|
|
|
|
virtual
|
|
void parse(json_t *json)
|
|
{
|
|
int ret;
|
|
json_error_t err;
|
|
|
|
assert(state != State::STARTED);
|
|
|
|
MultiSignalHook::parse(json);
|
|
|
|
ret = json_unpack_ex(json, &err, 0, "{ s?: i}",
|
|
"precision", &precision
|
|
);
|
|
if (ret)
|
|
throw ConfigError(json, err, "node-config-hook-round");
|
|
|
|
state = State::PARSED;
|
|
}
|
|
|
|
virtual
|
|
Hook::Reason process(struct Sample *smp)
|
|
{
|
|
for (auto index : signalIndices) {
|
|
assert(index < smp->length);
|
|
assert(state == State::STARTED);
|
|
|
|
switch (sample_format(smp, index)) {
|
|
case SignalType::FLOAT:
|
|
smp->data[index].f = round(smp->data[index].f * pow(10, precision)) / pow(10, precision);
|
|
break;
|
|
|
|
case SignalType::COMPLEX:
|
|
smp->data[index].z = std::complex<float>(
|
|
round(smp->data[index].z.real() * pow(10, precision)) / pow(10, precision),
|
|
round(smp->data[index].z.imag() * pow(10, precision)) / pow(10, precision)
|
|
);
|
|
break;
|
|
default: { }
|
|
}
|
|
}
|
|
|
|
return Reason::OK;
|
|
}
|
|
};
|
|
|
|
// Register hook
|
|
static char n[] = "round";
|
|
static char d[] = "Round signals to a set number of digits";
|
|
static HookPlugin<RoundHook, n, d, (int) Hook::Flags::PATH | (int) Hook::Flags::NODE_READ | (int) Hook::Flags::NODE_WRITE> p;
|
|
|
|
} // namespace node
|
|
} // namespace villas
|