CMSIS-Compiler 2.2.0

Changes since version 2.1.0

• Add components that enable stdio retarget to UART (#74)
• Update example project

AC6:

• correct _sys_read return value when rt_fs_read returns with error (#62)
• correct _mutex_initialize to check whether RTOS2 kernel is initialized

IAR:

• add support for multithreading (#57)
• add support for file redirection (#58)

CMSIS-Compiler 2.1.0

Changes since version 2.0.0

• AC6: Correct _sys_open handling for OPEN_A, file is created if non-existent (#50)
• GCC: add missing forward declarations for retargeted functions (#51, #53)
• Add Cortex-M52 support
• GCC: Disable heap limit check in _sbrk_r implementation (#54)

CMSIS-Compiler 2.0.0

Changes since version 1.0.0

• Added initial support for LLVM/Clang and IAR Compiler
• Introduce STDERR, STDIN, STDOUT APIs and components (#27)
  Attention: This change conflicts with user implementations version 1.0.0!
• Rename RTE component defines from RTE_Compiler_* to RTE_CMSIS_Compiler_*
• OS Interface, Arm Compiler: Remove C library thread space implementation

Migration guide

Migration guide for projects using CMSIS v5.9.0

CMSIS-Compiler 1.0.0

Initial release replacing I/O Retarget from Keil.ARM-Compiler pack.