Thanks for your great great stuff! This is for me an absolute begin for this first question on this forum. :-)
I had the Precision RTC working on an ESP32 using the Arduino IDE. I updated the IDE today and now the RTClib (still 1.2.0) starts producing these 2 errors:
Mmm..., I checked the RTClib.cpp, but don't know how to solve this./Users/pieter/Documents/Arduino/libraries/RTClib/RTClib.cpp: In constructor 'DateTime::DateTime(const char*, const char*)':
/Users/pieter/Documents/Arduino/libraries/RTClib/RTClib.cpp:136:70: error: operation on '((DateTime*)this)->DateTime::m' may be undefined [-Werror=sequence-point]
case 'J': m = date[1] == 'a' ? 1 : m = date[2] == 'n' ? 6 : 7; break;
^
/Users/pieter/Documents/Arduino/libraries/RTClib/RTClib.cpp: In constructor 'DateTime::DateTime(const __FlashStringHelper*, const __FlashStringHelper*)':
/Users/pieter/Documents/Arduino/libraries/RTClib/RTClib.cpp:161:70: error: operation on '((DateTime*)this)->DateTime::m' may be undefined [-Werror=sequence-point]
case 'J': m = buff[1] == 'a' ? 1 : m = buff[2] == 'n' ? 6 : 7; break;
Perhaps anybody has a clever suggestion what is causing this?
Thanks in advance!
Pieter
part of Arduino's console:
Arduino: 1.8.1 (Mac OS X), TD: 1.35, Board: "SparkFun ESP32 Thing, 80MHz, 921600"
/Applications/Arduino1.8.1.app/Contents/Java/arduino-builder -dump-prefs -logger=machine -hardware /Applications/Arduino1.8.1.app/Contents/Java/hardware -hardware /Users/pieter/Library/Arduino15/packages -hardware /Users/pieter/Documents/Arduino/hardware -tools /Applications/Arduino1.8.1.app/Contents/Java/tools-builder -tools /Applications/Arduino1.8.1.app/Contents/Java/hardware/tools/avr -tools /Users/pieter/Library/Arduino15/packages -built-in-libraries /Applications/Arduino1.8.1.app/Contents/Java/libraries -libraries /Users/pieter/Documents/Arduino/libraries -fqbn=espressif:esp32:esp32thing:FlashFreq=80,UploadSpeed=921600 -ide-version=10801 -build-path /var/folders/z3/tdbclb_51cg3vw1w8nlt_zf00000gn/T/arduino_build_88711 -warnings=all -prefs=build.warn_data_percentage=75 -verbose /var/folders/z3/tdbclb_51cg3vw1w8nlt_zf00000gn/T/arduino_modified_sketch_591841/Master_foundation_tester_V02.ino
/Applications/Arduino1.8.1.app/Contents/Java/arduino-builder -compile -logger=machine -hardware /Applications/Arduino1.8.1.app/Contents/Java/hardware -hardware /Users/pieter/Library/Arduino15/packages -hardware /Users/pieter/Documents/Arduino/hardware -tools /Applications/Arduino1.8.1.app/Contents/Java/tools-builder -tools /Applications/Arduino1.8.1.app/Contents/Java/hardware/tools/avr -tools /Users/pieter/Library/Arduino15/packages -built-in-libraries /Applications/Arduino1.8.1.app/Contents/Java/libraries -libraries /Users/pieter/Documents/Arduino/libraries -fqbn=espressif:esp32:esp32thing:FlashFreq=80,UploadSpeed=921600 -ide-version=10801 -build-path /var/folders/z3/tdbclb_51cg3vw1w8nlt_zf00000gn/T/arduino_build_88711 -warnings=all -prefs=build.warn_data_percentage=75 -verbose /var/folders/z3/tdbclb_51cg3vw1w8nlt_zf00000gn/T/arduino_modified_sketch_591841/Master_foundation_tester_V02.ino
Using board 'esp32thing' from platform in folder: /Users/pieter/Documents/Arduino/hardware/espressif/esp32
Using core 'esp32' from platform in folder: /Users/pieter/Documents/Arduino/hardware/espressif/esp32
Detecting libraries used...
Compiling libraries...
Compiling library "Adafruit_GFX_Library"
Using previously compiled file: /var/folders/z3/tdbclb_51cg3vw1w8nlt_zf00000gn/T/arduino_build_88711/libraries/Adafruit_GFX_Library/glcdfont.c.o
Using previously compiled file: /var/folders/z3/tdbclb_51cg3vw1w8nlt_zf00000gn/T/arduino_build_88711/libraries/Adafruit_GFX_Library/Adafruit_GFX.cpp.o
Compiling library "Adafruit_LED_Backpack_Library"
Using previously compiled file: /var/folders/z3/tdbclb_51cg3vw1w8nlt_zf00000gn/T/arduino_build_88711/libraries/Adafruit_LED_Backpack_Library/Adafruit_LEDBackpack.cpp.o
Compiling library "Wire"
Using previously compiled file: /var/folders/z3/tdbclb_51cg3vw1w8nlt_zf00000gn/T/arduino_build_88711/libraries/Wire/Wire.cpp.o
Compiling library "RTClib"
"/Users/pieter/Documents/Arduino/hardware/espressif/esp32/tools/xtensa-esp32-elf/bin/xtensa-esp32-elf-g++" -DESP_PLATFORM -DMBEDTLS_CONFIG_FILE="mbedtls/esp_config.h" -DHAVE_CONFIG_H "-I/Users/pieter/Documents/Arduino/hardware/espressif/esp32/tools/sdk/include/config" "-I/Users/pieter/Documents/Arduino/hardware/espressif/esp32/tools/sdk/include/bluedroid" "-I/Users/pieter/Documents/Arduino/hardware/espressif/esp32/tools/sdk/include/app_update" "-I/Users/pieter/Documents/Arduino/hardware/espressif/esp32/tools/sdk/include/bootloader_support" "-I/Users/pieter/Documents/Arduino/hardware/espressif/esp32/tools/sdk/include/bt" "-I/Users/pieter/Documents/Arduino/hardware/espressif/esp32/tools/sdk/include/driver" "-I/Users/pieter/Documents/Arduino/hardware/espressif/esp32/tools/sdk/include/esp32" "-I/Users/pieter/Documents/Arduino/hardware/espressif/esp32/tools/sdk/include/ethernet" "-I/Users/pieter/Documents/Arduino/hardware/espressif/esp32/tools/sdk/include/fatfs" "-I/Users/pieter/Documents/Arduino/hardware/espressif/esp32/tools/sdk/include/freertos" "-I/Users/pieter/Documents/Arduino/hardware/espressif/esp32/tools/sdk/include/jsmn" "-I/Users/pieter/Documents/Arduino/hardware/espressif/esp32/tools/sdk/include/log" "-I/Users/pieter/Documents/Arduino/hardware/espressif/esp32/tools/sdk/include/mdns" "-I/Users/pieter/Documents/Arduino/hardware/espressif/esp32/tools/sdk/include/mbedtls" "-I/Users/pieter/Documents/Arduino/hardware/espressif/esp32/tools/sdk/include/mbedtls_port" "-I/Users/pieter/Documents/Arduino/hardware/espressif/esp32/tools/sdk/include/newlib" "-I/Users/pieter/Documents/Arduino/hardware/espressif/esp32/tools/sdk/include/nvs_flash" "-I/Users/pieter/Documents/Arduino/hardware/espressif/esp32/tools/sdk/include/openssl" "-I/Users/pieter/Documents/Arduino/hardware/espressif/esp32/tools/sdk/include/spi_flash" "-I/Users/pieter/Documents/Arduino/hardware/espressif/esp32/tools/sdk/include/sdmmc" "-I/Users/pieter/Documents/Arduino/hardware/espressif/esp32/tools/sdk/include/tcpip_adapter" "-I/Users/pieter/Documents/Arduino/hardware/espressif/esp32/tools/sdk/include/ulp" "-I/Users/pieter/Documents/Arduino/hardware/espressif/esp32/tools/sdk/include/vfs" "-I/Users/pieter/Documents/Arduino/hardware/espressif/esp32/tools/sdk/include/xtensa-debug-module" "-I/Users/pieter/Documents/Arduino/hardware/espressif/esp32/tools/sdk/include/newlib" "-I/Users/pieter/Documents/Arduino/hardware/espressif/esp32/tools/sdk/include/coap" "-I/Users/pieter/Documents/Arduino/hardware/espressif/esp32/tools/sdk/include/wpa_supplicant" "-I/Users/pieter/Documents/Arduino/hardware/espressif/esp32/tools/sdk/include/expat" "-I/Users/pieter/Documents/Arduino/hardware/espressif/esp32/tools/sdk/include/json" "-I/Users/pieter/Documents/Arduino/hardware/espressif/esp32/tools/sdk/include/nghttp" "-I/Users/pieter/Documents/Arduino/hardware/espressif/esp32/tools/sdk/include/lwip" -std=gnu++11 -fno-exceptions -fno-rtti -Os -g3 -Wpointer-arith -ffunction-sections -fdata-sections -fstrict-volatile-bitfields -mlongcalls -nostdlib -Wall -Werror=all -Wextra -Wno-error=unused-function -Wno-error=unused-but-set-variable -Wno-error=unused-variable -Wno-error=deprecated-declarations -Wno-unused-parameter -Wno-sign-compare -fno-rtti -MMD -c -DF_CPU=240000000L -DARDUINO=10801 -DARDUINO_ESP32_THING -DARDUINO_ARCH_ESP32 -DESP32 -DCORE_DEBUG_LEVEL=0 "-I/Users/pieter/Documents/Arduino/hardware/espressif/esp32/cores/esp32" "-I/Users/pieter/Documents/Arduino/hardware/espressif/esp32/variants/esp32thing" "-I/Users/pieter/Documents/Arduino/libraries/Adafruit_GFX_Library" "-I/Users/pieter/Documents/Arduino/libraries/Adafruit_LED_Backpack_Library" "-I/Users/pieter/Documents/Arduino/hardware/espressif/esp32/libraries/Wire/src" "-I/Users/pieter/Documents/Arduino/libraries/RTClib" "-I/Users/pieter/Documents/Arduino/hardware/espressif/esp32/libraries/FS/src" "-I/Users/pieter/Documents/Arduino/hardware/espressif/esp32/libraries/SD/src" "-I/Users/pieter/Documents/Arduino/hardware/espressif/esp32/libraries/SPI/src" "/Users/pieter/Documents/Arduino/libraries/RTClib/RTClib.cpp" -o "/var/folders/z3/tdbclb_51cg3vw1w8nlt_zf00000gn/T/arduino_build_88711/libraries/RTClib/RTClib.cpp.o"
/Users/pieter/Documents/Arduino/libraries/RTClib/RTClib.cpp: In constructor 'DateTime::DateTime(const char*, const char*)':
/Users/pieter/Documents/Arduino/libraries/RTClib/RTClib.cpp:136:70: error: operation on '((DateTime*)this)->DateTime::m' may be undefined [-Werror=sequence-point]
case 'J': m = date[1] == 'a' ? 1 : m = date[2] == 'n' ? 6 : 7; break;
^
/Users/pieter/Documents/Arduino/libraries/RTClib/RTClib.cpp: In constructor 'DateTime::DateTime(const __FlashStringHelper*, const __FlashStringHelper*)':
/Users/pieter/Documents/Arduino/libraries/RTClib/RTClib.cpp:161:70: error: operation on '((DateTime*)this)->DateTime::m' may be undefined [-Werror=sequence-point]
case 'J': m = buff[1] == 'a' ? 1 : m = buff[2] == 'n' ? 6 : 7; break;
^
cc1plus: some warnings being treated as errors
Multiple libraries were found for "SD.h"
Used: /Users/pieter/Documents/Arduino/hardware/espressif/esp32/libraries/SD
Not used: /Applications/Arduino1.8.1.app/Contents/Java/libraries/SD
Using library Adafruit_GFX_Library at version 1.1.9 in folder: /Users/pieter/Documents/Arduino/libraries/Adafruit_GFX_Library
Using library Adafruit_LED_Backpack_Library at version 1.1.6 in folder: /Users/pieter/Documents/Arduino/libraries/Adafruit_LED_Backpack_Library
Using library Wire at version 1.0 in folder: /Users/pieter/Documents/Arduino/hardware/espressif/esp32/libraries/Wire
Using library RTClib at version 1.2.0 in folder: /Users/pieter/Documents/Arduino/libraries/RTClib
Using library FS at version 1.0 in folder: /Users/pieter/Documents/Arduino/hardware/espressif/esp32/libraries/FS
Using library SD at version 1.0.5 in folder: /Users/pieter/Documents/Arduino/hardware/espressif/esp32/libraries/SD
Using library SPI at version 1.0 in folder: /Users/pieter/Documents/Arduino/hardware/espressif/esp32/libraries/SPI
exit status 1
Error compiling for board SparkFun ESP32 Thing.