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Arduino IDE bundled examples
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Sketches with `Serial.begin()` will not compile unmodified for `arduino:mbed_portenta:portenta_x8` #74

Closed aliphys closed 4 months ago

aliphys commented 4 months ago

Describe the problem

Sketches involving the Serial.begin() will not compile, without adding #include "SerialRPC.h" at beginning of sketch. It will compile when #include "SerialRPC.h is added to the beginning of the sketch

To reproduce

From root of repository run

cd .\examples\01.Basics\AnalogReadSerial\
arduino-cli compile -b arduino:mbed_portenta:portenta_x8 -v
Output ``` PS C:\GitHub\Arduino\arduino-examples> cd .\examples\01.Basics\AnalogReadSerial\ PS C:\GitHub\Arduino\arduino-examples\examples\01.Basics\AnalogReadSerial> arduino-cli version arduino-cli Version: 1.0.0-rc.1 Commit: ba19a2d3 Date: 2024-05-20T08:22:20Z PS C:\GitHub\Arduino\arduino-examples\examples\01.Basics\AnalogReadSerial> arduino-cli compile -b arduino:mbed_portenta:portenta_x8 -v FQBN: arduino:mbed_portenta:portenta_x8 Using board 'portenta_x8' from platform in folder: C:\Users\Ali Jahangiri\AppData\Local\Arduino15\packages\arduino\hardware\mbed_portenta\4.1.3 Using core 'arduino' from platform in folder: C:\Users\Ali Jahangiri\AppData\Local\Arduino15\packages\arduino\hardware\mbed_portenta\4.1.3 Detecting libraries used... C:\Users\Ali Jahangiri\AppData\Local\Arduino15\packages\arduino\tools\arm-none-eabi-gcc\7-2017q4/bin/arm-none-eabi-g++ -c -w -g3 -nostdlib @C:\Users\Ali Jahangiri\AppData\Local\Arduino15\packages\arduino\hardware\mbed_portenta\4.1.3\variants\PORTENTA_X8/defines.txt @C:\Users\Ali Jahangiri\AppData\Local\Arduino15\packages\arduino\hardware\mbed_portenta\4.1.3\variants\PORTENTA_X8/cxxflags.txt -mcpu=cortex-m4 -mfloat-abi=softfp -mfpu=fpv4-sp-d16 -w -x c++ -E -CC -DARDUINO=10607 -DARDUINO_PORTENTA_X8 -DARDUINO_ARCH_MBED_PORTENTA -DARDUINO_ARCH_MBED -DARDUINO_LIBRARY_DISCOVERY_PHASE=1 -IC:\Users\Ali Jahangiri\AppData\Local\Arduino15\packages\arduino\hardware\mbed_portenta\4.1.3\cores\arduino -IC:\Users\Ali Jahangiri\AppData\Local\Arduino15\packages\arduino\hardware\mbed_portenta\4.1.3\variants\PORTENTA_X8 -DCM4_BINARY_START=0x08100000 -DCM4_BINARY_END=0x08200000 -IC:\Users\Ali Jahangiri\AppData\Local\Arduino15\packages\arduino\hardware\mbed_portenta\4.1.3\cores\arduino/api/deprecated -IC:\Users\Ali Jahangiri\AppData\Local\Arduino15\packages\arduino\hardware\mbed_portenta\4.1.3\cores\arduino/api/deprecated-avr-comp -iprefixC:\Users\Ali Jahangiri\AppData\Local\Arduino15\packages\arduino\hardware\mbed_portenta\4.1.3\cores\arduino @C:\Users\Ali Jahangiri\AppData\Local\Arduino15\packages\arduino\hardware\mbed_portenta\4.1.3\variants\PORTENTA_X8/includes.txt C:\Users\Ali Jahangiri\AppData\Local\Temp\arduino\sketches\056DCEC076E532137E9F3A17145D1D1C\sketch\AnalogReadSerial.ino.cpp -o nul Generating function prototypes... C:\Users\Ali Jahangiri\AppData\Local\Arduino15\packages\arduino\tools\arm-none-eabi-gcc\7-2017q4/bin/arm-none-eabi-g++ -c -w -g3 -nostdlib @C:\Users\Ali Jahangiri\AppData\Local\Arduino15\packages\arduino\hardware\mbed_portenta\4.1.3\variants\PORTENTA_X8/defines.txt @C:\Users\Ali Jahangiri\AppData\Local\Arduino15\packages\arduino\hardware\mbed_portenta\4.1.3\variants\PORTENTA_X8/cxxflags.txt -mcpu=cortex-m4 -mfloat-abi=softfp -mfpu=fpv4-sp-d16 -w -x c++ -E -CC -DARDUINO=10607 -DARDUINO_PORTENTA_X8 -DARDUINO_ARCH_MBED_PORTENTA -DARDUINO_ARCH_MBED -DARDUINO_LIBRARY_DISCOVERY_PHASE=1 -IC:\Users\Ali Jahangiri\AppData\Local\Arduino15\packages\arduino\hardware\mbed_portenta\4.1.3\cores\arduino -IC:\Users\Ali Jahangiri\AppData\Local\Arduino15\packages\arduino\hardware\mbed_portenta\4.1.3\variants\PORTENTA_X8 -DCM4_BINARY_START=0x08100000 -DCM4_BINARY_END=0x08200000 -IC:\Users\Ali Jahangiri\AppData\Local\Arduino15\packages\arduino\hardware\mbed_portenta\4.1.3\cores\arduino/api/deprecated -IC:\Users\Ali Jahangiri\AppData\Local\Arduino15\packages\arduino\hardware\mbed_portenta\4.1.3\cores\arduino/api/deprecated-avr-comp -iprefixC:\Users\Ali Jahangiri\AppData\Local\Arduino15\packages\arduino\hardware\mbed_portenta\4.1.3\cores\arduino @C:\Users\Ali Jahangiri\AppData\Local\Arduino15\packages\arduino\hardware\mbed_portenta\4.1.3\variants\PORTENTA_X8/includes.txt C:\Users\Ali Jahangiri\AppData\Local\Temp\arduino\sketches\056DCEC076E532137E9F3A17145D1D1C\sketch\AnalogReadSerial.ino.cpp -o C:\Users\Ali Jahangiri\AppData\Local\Temp\1542543350\sketch_merged.cpp C:\Users\Ali Jahangiri\AppData\Local\Arduino15\packages\builtin\tools\ctags\5.8-arduino11/ctags -u --language-force=c++ -f - --c++-kinds=svpf --fields=KSTtzns --line-directives C:\Users\Ali Jahangiri\AppData\Local\Temp\1542543350\sketch_merged.cpp Compiling sketch... "C:\\Users\\Ali Jahangiri\\AppData\\Local\\Arduino15\\packages\\arduino\\tools\\arm-none-eabi-gcc\\7-2017q4/bin/arm-none-eabi-g++" -c -w -g3 -nostdlib "@C:\\Users\\Ali Jahangiri\\AppData\\Local\\Arduino15\\packages\\arduino\\hardware\\mbed_portenta\\4.1.3\\variants\\PORTENTA_X8/defines.txt" "@C:\\Users\\Ali Jahangiri\\AppData\\Local\\Arduino15\\packages\\arduino\\hardware\\mbed_portenta\\4.1.3\\variants\\PORTENTA_X8/cxxflags.txt" -MMD -mcpu=cortex-m4 -mfloat-abi=softfp -mfpu=fpv4-sp-d16 -DARDUINO=10607 -DARDUINO_PORTENTA_X8 -DARDUINO_ARCH_MBED_PORTENTA -DARDUINO_ARCH_MBED -DARDUINO_LIBRARY_DISCOVERY_PHASE=0 "-IC:\\Users\\Ali Jahangiri\\AppData\\Local\\Arduino15\\packages\\arduino\\hardware\\mbed_portenta\\4.1.3\\cores\\arduino" "-IC:\\Users\\Ali Jahangiri\\AppData\\Local\\Arduino15\\packages\\arduino\\hardware\\mbed_portenta\\4.1.3\\variants\\PORTENTA_X8" -DCM4_BINARY_START=0x08100000 -DCM4_BINARY_END=0x08200000 "-IC:\\Users\\Ali Jahangiri\\AppData\\Local\\Arduino15\\packages\\arduino\\hardware\\mbed_portenta\\4.1.3\\cores\\arduino/api/deprecated" "-IC:\\Users\\Ali Jahangiri\\AppData\\Local\\Arduino15\\packages\\arduino\\hardware\\mbed_portenta\\4.1.\Ali Jahangiri\\AppData\\Local\\Temp\\arduino\\sketches\\056DCEC076E532137E9F3A17145D1D1C\\sketch\\AnalogReadSerial.ino.cpp.o" C:\GitHub\Arduino\arduino-examples\examples\01.Basics\AnalogReadSerial\AnalogReadSerial.ino: In function 'void setup()': C:\GitHub\Arduino\arduino-examples\examples\01.Basics\AnalogReadSerial\AnalogReadSerial.ino:16:15: error: call to 'ErrorSerialClass::begin' declared with attribute error: **** Please include SerialRPC library to use Serial **** Serial.begin(9600); Used platform Version Path arduino:mbed_portenta 4.1.3 C:\Users\Ali Jahangiri\AppData\Local\Arduino15\packages\arduino\hardware\mbed_portenta\4.1.3 Error during build: exit status 1 ```

Expected behavior

In the Out of Box (OoB) experience for the Portenta X8, it is possible to compile and run Arduino example sketches (included in the IDE) using Serial functionality without any additional modification.

The Arduino website mentions the ability to run Arduino code on the auxiliary core of the Portenta X8 in many places, including:

The examples version

5d991a2

Additional context

Repeatable with Arduino IDE 2.3.2 image

Issue checklist

per1234 commented 4 months ago

Hi @aliphys. The examples hosted in this repository are intended to serve as an introduction to the Arduino programming language. Although we could add support to the examples for the Portenta X8, the added added code would make the examples significantly less approachable to beginners.

Since the Portenta X8 is a "PRO" product, which is only for use by advanced users, it is not worth making harmful changes to the examples hosted in this repository in order to support that board.