STM32 485通訊 自我學習總結 控制380V變頻器去控制380V電機 不斷更新中
阿新 • • 發佈：2019-02-09
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP ;
//GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOB, &GPIO_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;
USART_Init(USART2, &USART_InitStructure);
USART_Cmd(USART2, ENABLE);
USART_ITConfig(USART2, USART_IT_RXNE, ENABLE);//開啟接收終端
USART_ClearFlag(USART2, USART_FLAG_TC);
}
void MyPrintfByte(unsigned char byte)//傳送一個位元組
{
USART_SendData(USART2, byte);
while( USART_GetFlagStatus(USART2,USART_FLAG_TC)!= SET);
}
void MyPrintfStr(unsigned char *s)//傳送字串
{
uint8_t i=0;
while(s[i]!='\0')
{
USART_SendData(USART2,s[i]);
while( USART_GetFlagStatus(USART2,USART_FLAG_TC)!= SET);
i++;
}
}
void MyPrintfArray(uint8_t send_array[],uint8_t num)//傳送陣列中指定個數
{
uint8_t i=0;
while(i<num)
{
USART_SendData(USART2,send_array[i]);
while( USART_GetFlagStatus(USART2,USART_FLAG_TC)!= SET);
i++;
}
}
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP ;
//GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOB, &GPIO_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;
USART_Init(USART2, &USART_InitStructure);
USART_Cmd(USART2, ENABLE);
USART_ITConfig(USART2, USART_IT_RXNE, ENABLE);//開啟接收終端
USART_ClearFlag(USART2, USART_FLAG_TC);
}
void MyPrintfByte(unsigned char byte)//傳送一個位元組
{
USART_SendData(USART2, byte);
while( USART_GetFlagStatus(USART2,USART_FLAG_TC)!= SET);
}
void MyPrintfStr(unsigned char *s)//傳送字串
{
uint8_t i=0;
while(s[i]!='\0')
{
USART_SendData(USART2,s[i]);
while( USART_GetFlagStatus(USART2,USART_FLAG_TC)!= SET);
i++;
}
}
void MyPrintfArray(uint8_t send_array[],uint8_t num)//傳送陣列中指定個數
{
uint8_t i=0;
while(i<num)
{
USART_SendData(USART2,send_array[i]);
while( USART_GetFlagStatus(USART2,USART_FLAG_TC)!= SET);
i++;
}
}