Readr.c:(.text._read_r+0x10): undefined reference to `_read' Lseekr.c:(.text._lseek_r+0x10): undefined reference to `_lseek' Writer.c:(.text._write_r+0x10): undefined reference to `_write' Just retried building this on Photon OS 2.0.0-rc.4, I get these errors still: /Users/wjsteen/.particle/toolchains/gcc-arm/9.2.1/bin/./lib/gcc/arm-none-eabi/9.2.1/././././arm-none-eabi/bin/ld: /Users/wjsteen/.particle/toolchains/gcc-arm/9.2.1/bin/./lib/gcc/arm-none-eabi/9.2.1/././././arm-none-eabi/lib/thumb/v7-m/nofp/libg_nano.a(lib_a-writer.o): in function `_write_r': Users/wjsteen/Documents/Intelligent_Furniture_Project/VSC_Projects/littleFS-test//src/Adafruit_LittleFS.cpp:47:65: error: ‘xSemaphoreCreateMutexStatic’ was not declared in this scope Users/wjsteen/Documents/Intelligent_Furniture_Project/VSC_Projects/littleFS-test//src/Adafruit_LittleFS.cpp:47:47: error: ‘class Adafruit_LittleFS’ has no member named ‘_MutexStorageSpace’ _mutex = xSemaphoreCreateMutexStatic(&this->_MutexStorageSpace) Users/wjsteen/Documents/Intelligent_Furniture_Project/VSC_Projects/littleFS-test//src/Adafruit_LittleFS.cpp:47:3: error: ‘_mutex’ was not declared in this scope Users/wjsteen/Documents/Intelligent_Furniture_Project/VSC_Projects/littleFS-test//src/Adafruit_LittleFS.cpp:44:15: error: ‘varclr’ was not declared in this scope Users/wjsteen/Documents/Intelligent_Furniture_Project/VSC_Projects/littleFS-test//src/Adafruit_LittleFS.cpp: In constructor ‘Adafruit_LittleFS::Adafruit_LittleFS(lfs_config*)’: Users/wjsteen/Documents/Intelligent_Furniture_Project/VSC_Projects/littleFS-test//src/Adafruit_LittleFS.h:81:45: error: ‘_mutex’ was not declared in this scope Users/wjsteen/Documents/Intelligent_Furniture_Project/VSC_Projects/littleFS-test//src/Adafruit_LittleFS.h: In member function ‘void Adafruit_LittleFS::_lockFS()’: Users/wjsteen/Documents/Intelligent_Furniture_Project/VSC_Projects/littleFS-test//src/Adafruit_LittleFS.h:91:5: error: ‘StaticSemaphore_t’ does not name a type Users/wjsteen/Documents/Intelligent_Furniture_Project/VSC_Projects/littleFS-test//src/Adafruit_LittleFS.h:88:5: error: ‘SemaphoreHandle_t’ does not name a type In file included from /Users/wjsteen/Documents/Intelligent_Furniture_Project/VSC_Projects/littleFS-test//src/Adafruit_LittleFS.cpp:27:0: Could someone point me towards a missing include? I get the following errors which are related to FreeRTOS missing semaphore definitions. I am trying to build the Adafruit_LittleFS for a SPIFlash. *semaphore.Seeing as Particle don’t want to expose littleFS to users and I need a fail safe file system for SPI Flash. Opens/creates a named semaphore for use by a processĭeallocates the specified named semaphore So you need compile semaphore.c like this: gcc semaphore.c -pthreaad -o semaphore Note that programs using the POSIX semaphores API must be compiled with -pthread to link against the real-time library. semaphore.cshows how to use these functions to create, operate and remove named semaphore. You can look up manual pages for details of these functions. POSIX named semaphore APIs we use in this lab are shown in the below table.
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