fix function attributes should be defined/set in the function prototypes
fix added missing typecast for stack_start
fix install_irq expects a void* as second parameter
fix added typecast to required parameter list
fix function attributes should be defined/set in the function prototypes
fix function attributes should be defined/set in the function prototypes
fix install_irq expects a void* as second parameter
fix comparsion between signed and unsigned value
fix added required typecasting
fix added required typecasting to rtc_alarm_mask enum
fix install_irq expects a void* as second parameter
fix removed multiple definition of transceiver_pid
fix sht11_read_sensor requires sht11_mode_t as second parameter
fix removed multiple definition of transceiver_pid
fix added compatibility for extern ASM function calls
fix declared ASM function cpu_switch_context_exit as extern
fix declared ASM function Copy_al2un and Copy_un2al  as extern
fix added compatibility for extern ASM function call atomic_set_return
fix added compatibility for fuctions called externally from ASM functions
fix added compatibility for bootloader called externally from ASM