platf_usart1.c

#include "main.h"
#include "platf_usart1.h"


static	USART_InitTypeDef USART_InitStructure;


void init_USART1(void ){
	GPIO_InitTypeDef GPIO_InitStructure;

	RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1, ENABLE);
	RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOB, ENABLE);

	GPIO_InitStructure.GPIO_Pin = (GPIO_Pin_6 | GPIO_Pin_7);
	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
	GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
	GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
	GPIO_Init(GPIOB, &GPIO_InitStructure);

	/* Connect USART pins to AF */
	GPIO_PinAFConfig(GPIOB, GPIO_PinSource6, GPIO_AF_USART1); // USART1_TX
	GPIO_PinAFConfig(GPIOB, GPIO_PinSource7, GPIO_AF_USART1); // USART1_RX

	USART_InitStructure.USART_BaudRate = MYUSART1_BAUDRATE;

	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;
	USART_InitStructure.USART_Mode = USART_Mode_Tx;
	USART_Init(USART1, &USART_InitStructure);
	USART_Cmd(USART1, ENABLE);
}


void USART_puts(const char *text)
{
	while (*text)
	{
		while(USART_GetFlagStatus(USART1, USART_FLAG_TXE) == RESET);
		USART_SendData(USART1, *text);
		text++;
	}

}