- void USART_Configuration(void)
- {
- /* ¶¨Òå USART ³õʼ»¯½á¹¹Ìå USART_InitStructure */
- USART_InitTypeDef USART_InitStructure;
- /* ¶¨Òå USART ³õʼ»¯½á¹¹Ìå USART_ClockInitStructure */
- USART_ClockInitTypeDef USART_ClockInitStructure;
-
- RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1, ENABLE);
- /*
- * ²¨ÌØÂÊΪ115200bps;
- * 8λÊý¾Ý³¤¶È;
- * 1¸öֹͣ룬ÎÞУÑé;
- * ½ûÓÃÓ²¼þÁ÷¿ØÖÆ;
- * ½ûÖ¹USARTʱÖÓ;
- * ʱÖÓ¼«ÐÔµÍ;
- * ÔÚµÚ2¸ö±ßÑØ²¶»ñÊý¾Ý
- * ×îºóһλÊý¾ÝµÄʱÖÓÂö³å²»´Ó SCLK Êä³ö£»
- */
- USART_ClockInitStructure.USART_Clock = USART_Clock_Disable;
- USART_ClockInitStructure.USART_CPOL = USART_CPOL_Low;
- USART_ClockInitStructure.USART_CPHA = USART_CPHA_2Edge;
- USART_ClockInitStructure.USART_LastBit = USART_LastBit_Disable;
- USART_ClockInit(USART1 , &USART_ClockInitStructure);
- 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(USART1 , &USART_InitStructure);
-
- /* ʹÄÜ USART1 */
- USART_Cmd(USART1 , ENABLE);
- }
-
- /*******************************************************************************
- * º¯ÊýÃû : fputc
- * º¯ÊýÃèÊö : ½«printfº¯ÊýÖØ¶¨Î»µ½USATR1
- * ÊäÈë²ÎÊý : ÎÞ
- * Êä³ö½á¹û : ÎÞ
- * ·µ»ØÖµ : ÎÞ
- *******************************************************************************/
- int fputc(int ch, FILE *f)
- {
- USART_SendData(USART1, (u8) ch);
- while(USART_GetFlagStatus(USART1, USART_FLAG_TC) == RESET);
- return ch;
- }
不好意思,注释乱码了,代码是可以用的我已试过
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