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Код: Выделить всё

void SetupClock(void)
{      
	RCC_DeInit ();
	RCC_HSICmd(ENABLE);
	while (RCC_GetFlagStatus(RCC_FLAG_HSIRDY) == RESET){};      
	RCC_HCLKConfig   (RCC_SYSCLK_Div1);   /* HCLK   = SYSCLK                */      
	RCC_PCLK2Config  (RCC_HCLK_Div2);     /* PCLK2  = HCLK/2                */      
	RCC_PCLK1Config  (RCC_HCLK_Div2);     /* PCLK1  = HCLK/2                */      
	/* PLLCLK = 16MHz * 6 / 3 = 32 MHz                                      */      
	RCC_PLLConfig (RCC_PLLSource_HSI, RCC_PLLMul_6, RCC_PLLDiv_3);      
	RCC_PLLCmd (ENABLE);                  /* Enable PLL                     */      
	while (RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET){}
//	RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK);      
//	while (RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET){}
_LED_YELLOW_ON; //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
	RCC->CFGR &= ~RCC_CFGR_SW;
	RCC->CFGR |= RCC_CFGR_SW_PLL;
	while ((RCC->CFGR & RCC_CFGR_SWS) != RCC_CFGR_SWS_PLL){__NOP();}
_LED_YELLOW_OFF; //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
	/* Enable USART1,2,3 clock                                        */   
	RCC_APB2PeriphClockCmd (RCC_APB2Periph_USART1, ENABLE);
	RCC_APB1PeriphClockCmd (RCC_APB1Periph_USART2 | RCC_APB1Periph_USART3, ENABLE);
}

Код: Выделить всё

RCC_SYSCLKConfig(RCC_SYSCLKSource_HSI);      
	while (RCC_GetFlagStatus(RCC_FLAG_HSIRDY) == RESET){}

Код: Выделить всё

USART_InitStructure.USART_WordLength          = USART_WordLength_8b;
USART_InitStructure.USART_StopBits  = USART_StopBits_1;          
USART_InitStructure.USART_Parity    = USART_Parity_Even;          

Код: Выделить всё

USART_InitStructure.USART_WordLength          = USART_WordLength_9b;