Introduce several const statements

include/WebApi_ws_live.h

@@ -14,7 +14,7 @@ public:
 private:
     void generateJsonResponse(JsonVariant& root);
     void addField(JsonObject& root, uint8_t idx, std::shared_ptr<InverterAbstract> inv, ChannelType_t type, ChannelNum_t channel, FieldId_t fieldId, String topic = "");
-    void addTotalField(JsonObject& root, String name, float value, String unit, uint8_t digits);
+    void addTotalField(JsonObject& root, const String& name, float value, const String& unit, uint8_t digits);
     void onLivedataStatus(AsyncWebServerRequest* request);
     void onWebsocketEvent(AsyncWebSocket* server, AsyncWebSocketClient* client, AwsEventType type, void* arg, uint8_t* data, size_t len);
 

lib/Hoymiles/src/Hoymiles.cpp

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 /*
- * Copyright (C) 2022 Thomas Basler and others
+ * Copyright (C) 2022-2023 Thomas Basler and others
  */
 #include "Hoymiles.h"
 #include "Utils.h"
@@ -126,7 +126,7 @@ void HoymilesClass::loop()
         }
 
         // Perform housekeeping of all inverters on day change
-        int8_t currentWeekDay = Utils::getWeekDay();
+        const int8_t currentWeekDay = Utils::getWeekDay();
         static int8_t lastWeekDay = -1;
         if (lastWeekDay == -1) {
             lastWeekDay = currentWeekDay;
@@ -198,7 +198,7 @@ std::shared_ptr<InverterAbstract> HoymilesClass::getInverterBySerial(uint64_t se
     return nullptr;
 }
 
-std::shared_ptr<InverterAbstract> HoymilesClass::getInverterByFragment(fragment_t* fragment)
+std::shared_ptr<InverterAbstract> HoymilesClass::getInverterByFragment(const fragment_t* fragment)
 {
     if (fragment->len <= 4) {
         return nullptr;

lib/Hoymiles/src/Hoymiles.h

@@ -26,7 +26,7 @@ public:
     std::shared_ptr<InverterAbstract> addInverter(const char* name, uint64_t serial);
     std::shared_ptr<InverterAbstract> getInverterByPos(uint8_t pos);
     std::shared_ptr<InverterAbstract> getInverterBySerial(uint64_t serial);
-    std::shared_ptr<InverterAbstract> getInverterByFragment(fragment_t* fragment);
+    std::shared_ptr<InverterAbstract> getInverterByFragment(const fragment_t* fragment);
     void removeInverterBySerial(uint64_t serial);
     size_t getNumInverters();
 

lib/Hoymiles/src/HoymilesRadio.cpp

@@ -28,7 +28,7 @@ serial_u HoymilesRadio::convertSerialToRadioId(serial_u serial)
     return radioId;
 }
 
-bool HoymilesRadio::checkFragmentCrc(fragment_t* fragment)
+bool HoymilesRadio::checkFragmentCrc(const fragment_t* fragment)
 {
     uint8_t crc = crc8(fragment->fragment, fragment->len - 1);
     return (crc == fragment->fragment[fragment->len - 1]);

lib/Hoymiles/src/HoymilesRadio.h

@@ -31,7 +31,7 @@ protected:
     static serial_u convertSerialToRadioId(serial_u serial);
     void dumpBuf(const uint8_t buf[], uint8_t len, bool appendNewline = true);
 
-    bool checkFragmentCrc(fragment_t* fragment);
+    bool checkFragmentCrc(const fragment_t* fragment);
     virtual void sendEsbPacket(CommandAbstract* cmd) = 0;
     void sendRetransmitPacket(uint8_t fragment_id);
     void sendLastPacketAgain();

lib/Hoymiles/src/commands/MultiDataCommand.cpp

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 /*
- * Copyright (C) 2022 Thomas Basler and others
+ * Copyright (C) 2022-2023 Thomas Basler and others
  */
 #include "MultiDataCommand.h"
 #include "crc.h"
@@ -88,7 +88,7 @@ bool MultiDataCommand::handleResponse(InverterAbstract* inverter, fragment_t fra
 
 void MultiDataCommand::udpateCRC()
 {
-    uint16_t crc = crc16(&_payload[10], 14); // From data_type till password
+    const  uint16_t crc = crc16(&_payload[10], 14); // From data_type till password
     _payload[24] = (uint8_t)(crc >> 8);
     _payload[25] = (uint8_t)(crc);
 }

lib/Hoymiles/src/commands/RealTimeRunDataCommand.cpp

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 /*
- * Copyright (C) 2022 Thomas Basler and others
+ * Copyright (C) 2022-2023 Thomas Basler and others
  */
 #include "RealTimeRunDataCommand.h"
 #include "Hoymiles.h"
@@ -29,8 +29,8 @@ bool RealTimeRunDataCommand::handleResponse(InverterAbstract* inverter, fragment
     // Check if at least all required bytes are received
     // In case of low power in the inverter it occours that some incomplete fragments
     // with a valid CRC are received.
-    uint8_t fragmentsSize = getTotalFragmentSize(fragment, max_fragment_id);
+    const uint8_t fragmentsSize = getTotalFragmentSize(fragment, max_fragment_id);
-    uint8_t expectedSize = inverter->Statistics()->getExpectedByteCount();
+    const uint8_t expectedSize = inverter->Statistics()->getExpectedByteCount();
     if (fragmentsSize < expectedSize) {
         Hoymiles.getMessageOutput()->printf("ERROR in %s: Received fragment size: %d, min expected size: %d\r\n",
             getCommandName().c_str(), fragmentsSize, expectedSize);

lib/Hoymiles/src/commands/SystemConfigParaCommand.cpp

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 /*
- * Copyright (C) 2022 Thomas Basler and others
+ * Copyright (C) 2022-2023 Thomas Basler and others
  */
 #include "SystemConfigParaCommand.h"
 #include "Hoymiles.h"
@@ -29,8 +29,8 @@ bool SystemConfigParaCommand::handleResponse(InverterAbstract* inverter, fragmen
     // Check if at least all required bytes are received
     // In case of low power in the inverter it occours that some incomplete fragments
     // with a valid CRC are received.
-    uint8_t fragmentsSize = getTotalFragmentSize(fragment, max_fragment_id);
+    const uint8_t fragmentsSize = getTotalFragmentSize(fragment, max_fragment_id);
-    uint8_t expectedSize = inverter->SystemConfigPara()->getExpectedByteCount();
+    const uint8_t expectedSize = inverter->SystemConfigPara()->getExpectedByteCount();
     if (fragmentsSize < expectedSize) {
         Hoymiles.getMessageOutput()->printf("ERROR in %s: Received fragment size: %d, min expected size: %d\r\n",
             getCommandName().c_str(), fragmentsSize, expectedSize);

lib/Hoymiles/src/parser/AlarmLogParser.cpp

@@ -216,13 +216,13 @@ void AlarmLogParser::setMessageType(AlarmMessageType_t type)
 
 void AlarmLogParser::getLogEntry(uint8_t entryId, AlarmLogEntry_t* entry, AlarmMessageLocale_t locale)
 {
-    uint8_t entryStartOffset = 2 + entryId * ALARM_LOG_ENTRY_SIZE;
+    const uint8_t entryStartOffset = 2 + entryId * ALARM_LOG_ENTRY_SIZE;
 
-    int timezoneOffset = getTimezoneOffset();
+    const int timezoneOffset = getTimezoneOffset();
 
     HOY_SEMAPHORE_TAKE();
 
-    uint32_t wcode = (uint16_t)_payloadAlarmLog[entryStartOffset] << 8 | _payloadAlarmLog[entryStartOffset + 1];
+    const uint32_t wcode = (uint16_t)_payloadAlarmLog[entryStartOffset] << 8 | _payloadAlarmLog[entryStartOffset + 1];
     uint32_t startTimeOffset = 0;
     if (((wcode >> 13) & 0x01) == 1) {
         startTimeOffset = 12 * 60 * 60;

lib/Hoymiles/src/parser/DevInfoParser.cpp

@@ -116,7 +116,7 @@ void DevInfoParser::setLastUpdateSimple(uint32_t lastUpdate)
 uint16_t DevInfoParser::getFwBuildVersion()
 {
     HOY_SEMAPHORE_TAKE();
-    uint16_t ret = (((uint16_t)_payloadDevInfoAll[0]) << 8) | _payloadDevInfoAll[1];
+    const uint16_t ret = (((uint16_t)_payloadDevInfoAll[0]) << 8) | _payloadDevInfoAll[1];
     HOY_SEMAPHORE_GIVE();
     return ret;
 }
@@ -140,19 +140,16 @@ time_t DevInfoParser::getFwBuildDateTime()
 uint16_t DevInfoParser::getFwBootloaderVersion()
 {
     HOY_SEMAPHORE_TAKE();
-    uint16_t ret = (((uint16_t)_payloadDevInfoAll[8]) << 8) | _payloadDevInfoAll[9];
+    const uint16_t ret = (((uint16_t)_payloadDevInfoAll[8]) << 8) | _payloadDevInfoAll[9];
     HOY_SEMAPHORE_GIVE();
     return ret;
 }
 
 uint32_t DevInfoParser::getHwPartNumber()
 {
-    uint16_t hwpn_h;
-    uint16_t hwpn_l;
-
     HOY_SEMAPHORE_TAKE();
-    hwpn_h = (((uint16_t)_payloadDevInfoSimple[2]) << 8) | _payloadDevInfoSimple[3];
+    const uint16_t hwpn_h = (((uint16_t)_payloadDevInfoSimple[2]) << 8) | _payloadDevInfoSimple[3];
-    hwpn_l = (((uint16_t)_payloadDevInfoSimple[4]) << 8) | _payloadDevInfoSimple[5];
+    const uint16_t hwpn_l = (((uint16_t)_payloadDevInfoSimple[4]) << 8) | _payloadDevInfoSimple[5];
     HOY_SEMAPHORE_GIVE();
 
     return ((uint32_t)hwpn_h << 16) | ((uint32_t)hwpn_l);
@@ -169,7 +166,7 @@ String DevInfoParser::getHwVersion()
 
 uint16_t DevInfoParser::getMaxPower()
 {
-    uint8_t idx = getDevIdx();
+    const uint8_t idx = getDevIdx();
     if (idx == 0xff) {
         return 0;
     }
@@ -178,7 +175,7 @@ uint16_t DevInfoParser::getMaxPower()
 
 String DevInfoParser::getHwModelName()
 {
-    uint8_t idx = getDevIdx();
+    const uint8_t idx = getDevIdx();
     if (idx == 0xff) {
         return "";
     }
@@ -187,7 +184,7 @@ String DevInfoParser::getHwModelName()
 
 bool DevInfoParser::containsValidData()
 {
-    time_t t = getFwBuildDateTime();
+    const time_t t = getFwBuildDateTime();
 
     struct tm info;
     localtime_r(&t, &info);

lib/Hoymiles/src/parser/StatisticsParser.cpp

@@ -144,15 +144,13 @@ fieldSettings_t* StatisticsParser::getSettingByChannelField(ChannelType_t type,
 float StatisticsParser::getChannelFieldValue(ChannelType_t type, ChannelNum_t channel, FieldId_t fieldId)
 {
     const byteAssign_t* pos = getAssignmentByChannelField(type, channel, fieldId);
-    fieldSettings_t* setting = getSettingByChannelField(type, channel, fieldId);
-
     if (pos == NULL) {
         return 0;
     }
 
     uint8_t ptr = pos->start;
-    uint8_t end = ptr + pos->num;
+    const uint8_t end = ptr + pos->num;
-    uint16_t div = pos->div;
+    const uint16_t div = pos->div;
 
     if (CMD_CALC != div) {
         // Value is a static value
@@ -174,6 +172,8 @@ float StatisticsParser::getChannelFieldValue(ChannelType_t type, ChannelNum_t ch
         }
 
         result /= static_cast<float>(div);
+
+        const fieldSettings_t* setting = getSettingByChannelField(type, channel, fieldId);
         if (setting != NULL && _statisticLength > 0) {
             result += setting->offset;
         }
@@ -189,20 +189,19 @@ float StatisticsParser::getChannelFieldValue(ChannelType_t type, ChannelNum_t ch
 bool StatisticsParser::setChannelFieldValue(ChannelType_t type, ChannelNum_t channel, FieldId_t fieldId, float value)
 {
     const byteAssign_t* pos = getAssignmentByChannelField(type, channel, fieldId);
-    fieldSettings_t* setting = getSettingByChannelField(type, channel, fieldId);
-
     if (pos == NULL) {
         return false;
     }
 
     uint8_t ptr = pos->start + pos->num - 1;
-    uint8_t end = pos->start;
+    const uint8_t end = pos->start;
-    uint16_t div = pos->div;
+    const uint16_t div = pos->div;
 
     if (CMD_CALC == div) {
         return false;
     }
 
+    const fieldSettings_t* setting = getSettingByChannelField(type, channel, fieldId);
     if (setting != NULL) {
         value -= setting->offset;
     }
@@ -260,7 +259,7 @@ uint8_t StatisticsParser::getChannelFieldDigits(ChannelType_t type, ChannelNum_t
 
 float StatisticsParser::getChannelFieldOffset(ChannelType_t type, ChannelNum_t channel, FieldId_t fieldId)
 {
-    fieldSettings_t* setting = getSettingByChannelField(type, channel, fieldId);
+    const fieldSettings_t* setting = getSettingByChannelField(type, channel, fieldId);
     if (setting != NULL) {
         return setting->offset;
     }

src/WebApi_ws_live.cpp

@@ -196,7 +196,7 @@ void WebApiWsLiveClass::addField(JsonObject& root, uint8_t idx, std::shared_ptr<
     }
 }
 
-void WebApiWsLiveClass::addTotalField(JsonObject& root, String name, float value, String unit, uint8_t digits)
+void WebApiWsLiveClass::addTotalField(JsonObject& root, const String& name, float value, const String& unit, uint8_t digits)
 {
     root[name]["v"] = value;
     root[name]["u"] = unit;

src/main.cpp

@@ -68,7 +68,7 @@ void setup()
         MessageOutput.print("migrated... ");
         Configuration.migrate();
     }
-    CONFIG_T& config = Configuration.get();
+    auto& config = Configuration.get();
     MessageOutput.println("done");
 
     // Load PinMapping
@@ -78,7 +78,7 @@ void setup()
     } else {
         MessageOutput.print("using default config ");
     }
-    const PinMapping_t& pin = PinMapping.get();
+    const auto& pin = PinMapping.get();
     MessageOutput.println("done");
 
     // Initialize WiFi
@@ -137,7 +137,7 @@ void setup()
     MessageOutput.print("Check for default DTU serial... ");
     if (config.Dtu.Serial == DTU_SERIAL) {
         MessageOutput.print("generate serial based on ESP chip id: ");
-        uint64_t dtuId = Utils::generateDtuSerial();
+        const uint64_t dtuId = Utils::generateDtuSerial();
         MessageOutput.printf("%0x%08x... ",
             ((uint32_t)((dtuId >> 32) & 0xFFFFFFFF)),
             ((uint32_t)(dtuId & 0xFFFFFFFF)));