Direct request is the simplest method used to request a semaphore. The request behaves as an atomic read and set operation. The result of a request is either to
grant the semaphore to the requesting core or deny the reque...
我用的STM32型号为STM32F100VBT6B重定向方法一:#ifdef __GNUC__
/* With GCC/RAISONANCE, small printf (option LD Linker->Libraries->Small printf
set to 'Yes') calls __io_putchar() */
#define PUTCHAR_PROTOTYPE int __io_...