$(RTOS_SOURCE_DIR)/tasks.c \\r
$(RTOS_SOURCE_DIR)/portable/GCC/ARM7_AT91SAM7S/port.c \\r
$(RTOS_SOURCE_DIR)/portable/MemMang/heap_2.c \\r
- ./USB/USBSample.c\r
+ ./USB/USBSample.c \\r
+ syscalls.c\r
\r
ARM_SOURCE= \\r
$(RTOS_SOURCE_DIR)/portable/GCC/ARM7_AT91SAM7S/portISR.c \\r