Then sendbuf is filled with snprintf in while loop and the length is 32 bytes.

I have modified SPI Slave Sender/Receiver example to allow for Quad SPI. However, the code is still running in spi mode. Even if I disconnect IO2 and IO4 pins the software still runs. Also when the Transmission no. exceeds 10000 the message gets garbelled because of length being set to 256 bits. Mes...

I ended up breaking the installation.
Decided to remove everything and reinstall from scratch.
This time installed ESP32 IDF 4.0 release with Eclipse 2019-12 on Windows 10. Unresolved inclusions still exist.
Installed Eclipse 2019-09 and Unresolved Inclusions are gone.
Thanks for your help.

I am indeed running Windows 10 and eclipse 2019-12(4.14.0) and following Espressif IDF Plugins. Espressif IDF Plugins for Eclipse 1.0.0.201912090756 com.espressif.idf.feature.feature.group ESPRESSIF SYSTEMS (SHANGHAI) CO., LTD. I guess I need to uninstall Eclipse and Install eclipse 2019-09. I will ...

I modified MakeList.txt to add the include Directories. I still get Unresolved Inclusion. set(COMPONENT_ADD_INCLUDEDIRS "." $ENV{IDF_PATH}/components/vfs/include $ENV{IDF_PATH}/components/spi_flash/include $ENV{IDF_PATH}/components/bt/include $ENV{IDF_PATH}/components/bt/bluedroid/bta/include $ENV{I...

I am running Windows 10 Build 1909. I followed instruction and created a new project from example code "hello_world" . The project builds without any error. I can run it and debug it Step Through it. The only problem I have is that the include files are not resolved. Unresolved inclusion: "freertos/...