Exemple #1
0
static void USART1_Configuration(void)
{

	// Periph CLK Init
	RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1 |
						   RCC_APB2Periph_GPIOA, ENABLE);

	// GPIO Pins for UART1
	USART1_GPIO_Configuration();
	// NVIC for UART1
	USART1_NVIC_Configuration();

	// --------------- USART1 configuration ---------------
	// USART1 configured as follow:
	USART_InitTypeDef USART_InitStructure;

	USART_InitStructure.USART_BaudRate = 115200;
	USART_InitStructure.USART_WordLength = USART_WordLength_8b;
	USART_InitStructure.USART_StopBits = USART_StopBits_1;
	USART_InitStructure.USART_Parity = USART_Parity_No;
	USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
	USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;
	// Configure the USART1
	USART_Init(USART1, &USART_InitStructure);
	// Enable the USART Transmoit interrupt: this interrupt is generated when the
	// USART1 transmit data register is empty
	// USART_ITConfig(USART1, USART_IT_TXE, ENABLE);
	// Enable the USART Receive interrupt: this interrupt is generated when the
	// USART1 receive data register is not empty
	USART_ITConfig(USART1, USART_IT_RXNE, ENABLE);
	// Enable USART1
	USART_Cmd(USART1, ENABLE);

}
void USART1_Init(void)
{
	USART1_GPIO_Configuration();	
	USART1_Configuration();	
	NVIC_Configuration();
	USART_ClearFlag(USART2,USART_FLAG_TC);
}
void init_rs232(void)
{
    USART1_RCC_Configuration();
    USART1_GPIO_Configuration();
    USART1_Configuration();
}