Problem with integrating your lib example

[Groofertje]

Hey, i'am using a ESP32 and coding in Visual Studio Code.

I copied your example SoftwareSerial but getting a compiling errors

no instance of constructor "PZEM004Tv30::PZEM004Tv30" matches the argument list -- argument types are: (int, int)

and

invalid conversion from 'int' to 'HardwareSerial*' [-fpermissive]

It's happend at the line PZEM004Tv30 pzem(11, 12);

/* Use software serial for the PZEM

• Pin 11 Rx (Connects to the Tx pin on the PZEM)
• Pin 12 Tx (Connects to the Rx pin on the PZEM) */ PZEM004Tv30 pzem(11, 12); <======================

and giving the next statement;

D:_Dev_MyLib\PZEM-004T-v30/PZEM004Tv30.h:65:5: note: initializing argument 1 of 'PZEM004Tv30::PZEM004Tv30(HardwareSerial, uint8_t)' PZEM004Tv30(HardwareSerial port, uint8_t addr=PZEM_DEFAULT_ADDR);

[sergiocntr]

Hi, there something wrong with your specific board. As first workaround comment lines 47 and 49 in PZEM004Tv30.h . This will force software serial. `// #define PZEM004_NO_SWSERIAL //#if (not defined(PZEM004_NO_SWSERIAL)) && (defined(AVR) || defined(ESP8266) && (not defined(ESP32)))

define PZEM004_SOFTSERIAL

//#endif`

More deeply ,a verbose build will notice the defined board es. '-D' 'ESP8266' '-D' 'ARDUINO_ARCH_ESP8266' '-D' 'ARDUINO_ESP8266_ESP01' this is in my case the ESP01 from ESP8266 family. With this information you can adapt the if statement .

[Groofertje]

Tx for the answer, but the problem remains. i changed the As first workaround comment lines 47 and 49 in PZEM004Tv30.h .

// #define PZEM004_NO_SWSERIAL // #if (not defined(PZEM004_NO_SWSERIAL)) && (defined(AVR) || defined(ESP8266))

define PZEM004_SOFTSERIAL

// #endif

but keep getting the compiling error in Visual Code

for your information i give al what i found.

PLATFORM: Espressif 32 1.12.0 > DOIT ESP32 DEVKIT V1 HARDWARE: ESP32 240MHz, 320KB RAM, 4MB Flash DEBUG: Current (esp-prog) External (esp-prog, iot-bus-jtag, jlink, minimodule, olimex-arm-usb-ocd, olimex-arm-usb-ocd-h, olimex-arm-usb-tiny-h, olimex-jtag-tiny, tumpa) PACKAGES:

• framework-arduinoespressif32 3.10004.200129 (1.0.4)
• tool-esptoolpy 1.20600.0 (2.6.0)
• toolchain-xtensa32 2.50200.80 (5.2.0) LDF: Library Dependency Finder -> http://bit.ly/configure-pio-ldf LDF Modes: Finder ~ chain, Compatibility ~ soft Found 34 compatible libraries Scanning dependencies... Dependency Graph |-- 1.0.0 | |-- 6.8.1 |-- 1.0 Building in release mode Compiling .pio\build\esp32doit-devkit-v1\src\main.cpp.o Generating partitions .pio\build\esp32doit-devkit-v1\partitions.bin Compiling .pio\build\esp32doit-devkit-v1\libfd4\EspSoftwareSerial_ID168\SoftwareSerial.cpp.o Compiling .pio\build\esp32doit-devkit-v1\libe67\PZEM-004T-v30\PZEM004Tv30.cpp.o Compiling .pio\build\esp32doit-devkit-v1\libd7d\WiFi\ETH.cpp.o src\main.cpp:25:23: error: invalid conversion from 'int' to 'HardwareSerial' [-fpermissive] PZEM004Tv30 pzem(25,18); ^ In file included from src\main.cpp:14:0: D:_Dev_MyLib\PZEM-004T-v30/PZEM004Tv30.h:65:5: note: initializing argument 1 of 'PZEM004Tv30::PZEM004Tv30(HardwareSerial, uint8_t)' PZEM004Tv30(HardwareSerial* port, uint8_t addr=PZEM_DEFAULT_ADDR); ^ *** [.pio\build\esp32doit-devkit-v1\src\main.cpp.o] Error 1

[Groofertje]

srr i closed it by error :(

[Groofertje]

in verbose mode i got this src\main.cpp:25:23: error: invalid conversion from 'int' to 'HardwareSerial' [-fpermissive] PZEM004Tv30 pzem(25,18); ^ In file included from src\main.cpp:14:0: xtensa-esp32-elf-g++ -o .pio\build\esp32doit-devkit-v1\FrameworkArduino\IPv6Address.cpp.o -c -fno-rtti -fno-exceptions -std=gnu++11 -Os -g3 -Wall -nostdlib -Wpointer-arith -Wno-error=unused-but-set-variable -Wno-error=unused-variable -mlongcalls -ffunction-sections -fdata-sections -fstrict-volatile-bitfields -Wno-error=deprecated-declarations -Wno-error=unused-function -Wno-unused-parameter -Wno-sign-compare -fstack-protector -fexceptions -Werror=reorder -DPLATFORMIO=40301 -DARDUINO_ESP32_DEV -DESP32 -DESP_PLATFORM -DF_CPU=240000000L -DHAVE_CONFIG_H -DMBEDTLS_CONFIG_FILE=\"mbedtls/esp_config.h\" -DARDUINO=10805 -DARDUINO_ARCH_ESP32 -DARDUINO_VARIANT=\"doitESP32devkitV1\" "-DARDUINO_BOARD=\"DOIT ESP32 DEVKID:_Dev_MyLib\PZEM-004T-v30/PZEM004Tv30.h:65:5: note: initializing argument 1 of 'PZEM004Tv30::PZEM004Tv30(HardwareSerial, uint8_t)' T V1\"" -IC:\Users\guy_s.pla PZEM004Tv30(HardwareSerial* port, uint8_t addr=PZEM_DEFAULT_ADDR); tf ^ orm*** [.pio\build\esp32doit-devkit-v1\src\main.cpp.o] Error 1

[sergiocntr]

Strange, it works for me. Try again. I'm not the maintener but it seems that the use of hardware serial is indicated for the esp32 . Also check that you have the latest version of the library from the github repository, you miss the ESP32 part in the if statement.

[Groofertje]

tx for respons

1) Also check that you have the latest version of the library from the github repository Yes i did, i even downloaded the git reposytory to view if there where changes.

2) you miss the ESP32 part in the if statement. ??? Now i can't follow :)

[Groofertje]

Ok i resolved the problem, it's was complete my fault. in my previous answer i noted that i had even downloaded the github repository to my computer. and that was the problem. I putted it into mylib folder and vscode pointed to this folder and not the version i downloaded via vscode library's I moved it to another folder and now the code compiles normaly.

But i don't know why he give a error with the downloaded github and NOT with the version that i downloaded via PIOhome, (VS code)