TheGNUEmbeddedToolchainforArmisaready-to-use,opensourcesuiteoftoolsforC,C++andAssemblyprogrammingtargetingArmCortex-MandCortex-Rfamilyofprocessors.ItincludestheGNUCompiler(GCC)andisavailablefreeofchargedirectlyfromArmforembeddedsoftwaredevelopmentonWindows,LinuxandMacOSXoperating