#include "stm32f10x.h"
#include "stm32f10x_usart.h"
void SerialPutChar(uint8_t c);
void Serial_PutString(uint8_t *s);
int main()
{
USART_InitTypeDef USART_InitStructure;
GPIO_InitTypeDef GPIO_InitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
GPIO_InitTypeDef PORTC;
RCC_APB2PeriphClockCmd(RCC_APB1Periph_PWR,ENABLE); //pwr 클럭 생성
RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1,ENABLE);//usart 클럭 생성
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOC, ENABLE);
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9; /*UART1_TX*/
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_Init(GPIOA, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10; /*UART1_RX*/
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
GPIO_Init(GPIOA, &GPIO_InitStructure);
PORTC.GPIO_Pin = GPIO_Pin_1;
PORTC.GPIO_Speed = GPIO_Speed_10MHz;
PORTC.GPIO_Mode = GPIO_Mode_IN_FLOATING;
GPIO_Init(GPIOC, &PORTC);
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;
NVIC_InitStructure.NVIC_IRQChannel = USART1_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x01;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x00;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init( &NVIC_InitStructure );
USART_Init(USART1, &USART_InitStructure);
USART_ITConfig(USART1, USART_IT_RXNE, ENABLE);
USART_Cmd(USART1, ENABLE);
0
while(1)
{
//Serial_PutString("1");
if(GPIO_ReadInputDataBit(GPIOC, GPIO_Pin_1 )!=1)
{
Serial_PutString("\r\n Hello!\n");
}
}
}
void SerialPutChar(uint8_t c)
{
USART_SendData(USART1,c);
while(USART_GetFlagStatus(USART1,USART_FLAG_TXE)==RESET);
}
void Serial_PutString(uint8_t *s)
{
while(*s !='\0')
{
SerialPutChar(*s);
s++;
}
}
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