Posted on May 17, 2011 at 13:48Thanks for the answer.The program says me: .\Source\main.c: In function 'main':.\Source\main.c:58: warning: implicit declaration of function 'RCC_APB2PeriphClockCmd'.\Source\main.c:58: error: 'RCC_APB2Periph_GPIOB' und...