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// SPDX-License-Identifier: BSD-3-Clause
#include <memory>
#include <utility>
#include <sstream>
#include <iomanip>
#include <cmath>
#include <stdexcept>
#include "client.h"
#include "types.h"
#include "defines.h"
#include "exceptions.h"
#include "response.h"
#include "../voltronic/crc.h"
#define MKRESPONSE(type) std::shared_ptr<response_type::BaseResponse>(new response_type::type(raw, rawSize))
#define RESPONSE_CASE(type) \
case CommandType::Get ## type: \
response = MKRESPONSE(type); \
break; \
namespace p18 {
void Client::setDevice(std::shared_ptr<voltronic::Device> device) {
device_ = std::move(device);
}
std::shared_ptr<response_type::BaseResponse> Client::execute(p18::CommandType commandType, std::vector<std::string>& arguments) {
std::ostringstream buf;
buf << std::setfill('0');
int iCommandType = static_cast<int>(commandType);
bool isSetCommand = iCommandType >= 100;
auto pos = raw_commands.find(commandType);
if (pos == raw_commands.end())
throw std::runtime_error("packedCommand " + std::to_string(iCommandType) + " not found");
std::string packedCommand = pos->second;
std::string packedArguments = packArguments(commandType, arguments);
size_t len = sizeof(voltronic::CRC) + 1 + packedCommand.size() + packedArguments.size();
buf << "^";
buf << (isSetCommand ? "S" : "P");
buf << std::setw(3) << len;
buf << packedCommand;
buf << packedArguments;
std::string packed = buf.str();
auto result = runOnDevice(packed);
std::shared_ptr<response_type::BaseResponse> response;
const auto raw = result.first;
const auto rawSize = result.second;
switch (commandType) {
RESPONSE_CASE(ProtocolID)
RESPONSE_CASE(CurrentTime)
RESPONSE_CASE(TotalGenerated)
RESPONSE_CASE(YearGenerated)
RESPONSE_CASE(MonthGenerated)
RESPONSE_CASE(DayGenerated)
RESPONSE_CASE(SeriesNumber)
RESPONSE_CASE(CPUVersion)
RESPONSE_CASE(RatedInformation)
RESPONSE_CASE(GeneralStatus)
RESPONSE_CASE(WorkingMode)
RESPONSE_CASE(FaultsAndWarnings)
RESPONSE_CASE(FlagsAndStatuses)
RESPONSE_CASE(Defaults)
RESPONSE_CASE(AllowedChargingCurrents)
RESPONSE_CASE(AllowedACChargingCurrents)
RESPONSE_CASE(ParallelRatedInformation)
RESPONSE_CASE(ParallelGeneralStatus)
RESPONSE_CASE(ACChargingTimeBucket)
RESPONSE_CASE(ACLoadsSupplyTimeBucket)
case CommandType::SetLoads:
case CommandType::SetFlag:
case CommandType::SetDefaults:
case CommandType::SetBatteryMaxChargingCurrent:
case CommandType::SetBatteryMaxACChargingCurrent:
case CommandType::SetACOutputFreq:
case CommandType::SetBatteryMaxChargingVoltage:
case CommandType::SetACOutputRatedVoltage:
case CommandType::SetOutputSourcePriority:
case CommandType::SetBatteryChargingThresholds:
case CommandType::SetChargingSourcePriority:
case CommandType::SetSolarPowerPriority:
case CommandType::SetACInputVoltageRange:
case CommandType::SetBatteryType:
case CommandType::SetOutputModel:
case CommandType::SetBatteryCutOffVoltage:
case CommandType::SetSolarConfig:
case CommandType::ClearGenerated:
case CommandType::SetDateTime:
case CommandType::SetACChargingTimeBucket:
case CommandType::SetACLoadsSupplyTimeBucket:
response = MKRESPONSE(SetResponse);
break;
}
try {
if (!response->validate())
throw InvalidResponseError("validate() failed");
response->unpack();
} catch (InvalidResponseError& e) {
return std::make_unique<response_type::ErrorResponse>(e.what());
}
return std::move(response);
}
std::pair<std::shared_ptr<char>, size_t> Client::runOnDevice(std::string& raw) {
size_t bufSize = 256;
std::shared_ptr<char> buf(new char[bufSize]);
size_t responseSize = device_->run(
(const u8*)raw.c_str(), raw.size(),
(u8*)buf.get(), bufSize);
return std::pair<std::shared_ptr<char>, size_t>(buf, responseSize);
}
std::string Client::packArguments(p18::CommandType commandType, std::vector<std::string>& arguments) {
std::ostringstream buf;
buf << std::setfill('0');
switch (commandType) {
case CommandType::GetYearGenerated:
case CommandType::SetOutputSourcePriority:
case CommandType::SetSolarPowerPriority:
case CommandType::SetACInputVoltageRange:
case CommandType::SetBatteryType:
case CommandType::SetLoads:
buf << arguments[0];
break;
case CommandType::GetMonthGenerated:
case CommandType::GetDayGenerated:
buf << arguments[0];
for (int i = 1; i <= (commandType == CommandType::GetMonthGenerated ? 1 : 2); i++)
buf << std::setw(2) << std::stoi(arguments[i]);
break;
case CommandType::GetParallelGeneralStatus:
case CommandType::GetParallelRatedInformation:
buf << std::stoi(arguments[0]);
break;
case CommandType::SetFlag:
buf << (arguments[1] == "1" ? "E" : "D");
buf << arguments[0];
break;
case CommandType::SetBatteryMaxChargingCurrent:
case CommandType::SetBatteryMaxACChargingCurrent:
buf << arguments[0] << ",";
buf << std::setw(3) << std::stoi(arguments[1]);
break;
case CommandType::SetACOutputFreq:
buf << std::setw(2) << std::stoi(arguments[0]);
break;
case CommandType::SetBatteryMaxChargingVoltage:
case CommandType::SetBatteryChargingThresholds: {
for (int i = 0; i < 2; i++) {
double val = std::stod(arguments[i]);
buf << std::setw(3) << (int)round(val*10);
if (i == 0)
buf << ",";
}
break;
}
case CommandType::SetACOutputRatedVoltage: {
buf << std::setw(4) << (std::stoi(arguments[0])*10);
break;
}
case CommandType::SetChargingSourcePriority:
case CommandType::SetOutputModel:
buf << arguments[0] << "," << arguments[1];
break;
case CommandType::SetBatteryCutOffVoltage: {
double v = std::stod(arguments[0]);
buf << std::setw(3) << ((int)round(v*10));
break;
}
case CommandType::SetSolarConfig: {
size_t len = arguments[0].size();
buf << std::setw(2) << len << arguments[0];
if (len < 20) {
for (int i = 0; i < 20-len; i++)
buf << "0";
}
break;
}
case CommandType::SetDateTime: {
for (int i = 0; i < 6; i++) {
int val = std::stoi(arguments[0]);
if (i == 0)
val -= 2000;
buf << std::setw(2) << val;
}
break;
}
case CommandType::SetACChargingTimeBucket:
case CommandType::SetACLoadsSupplyTimeBucket:
for (int i = 0; i < 4; i++) {
buf << std::setw(2) << std::stoi(arguments[i]);
if (i == 1)
buf << ",";
}
break;
default:
break;
}
return buf.str();
}
}
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