原创 项目可能要出问题的梦

xiaoke26: 查询方式接收串口数据，故没用到中断！

这程序怎么都没有对中断进行初始化？？

eliucheng，发的是什么,,

re:[原创]STM32学习笔记之 串口通讯 我写的串口程序，但是串口没有数据发不出来，请你帮忙找下原因，加你QQ你也不回，这里留言 没法修改格式！你加我Q 18282241 谢谢了

都是什么啊，格式那么乱看不懂！

/* Includes ------------------------------------------------------------------*/ #include "stm32f10x_lib.h" /* Private typedef -----------------------------------------------------------*/ typedef enum { FAILED = 0, PASSED = !FAILED} TestStatus; /* Private define ------------------------------------------------------------*/ #define TxBufferSize (countof(TxBuffer)) /* Private macro -------------------------------------------------------------*/ #define countof(a) (sizeof(a) / sizeof(*(a))) /* Private variables ---------------------------------------------------------*/ USART_InitTypeDef USART_InitStructure; u8 TxBuffer[] = "BufferSendfromUSART2toPC"; u8 RxBuffer[TxBufferSize]; u8 TxCounter = 0, RxCounter = 0; TestStatus TransferStatus = FAILED; ErrorStatus HSEStartUpStatus; /* Private typedef -----------------------------------------------------------*/ /* Private define ------------------------------------------------------------*/ /* Private macro -------------------------------------------------------------*/ /* Private variables ---------------------------------------------------------*/ GPIO_InitTypeDef GPIO_InitStructure; ErrorStatus HSEStartUpStatus; /* Private function prototypes -----------------------------------------------*/ void RCC_Configuration(void); void NVIC_Configuration(void); void Delay(vu32 nCount); /* Private functions ---------------------------------------------------------*/ /******************************************************************************* * Function Name : main * Description : Main program. * Input : None * Output : None * Return : None *******************************************************************************/ int main(void) { #ifdef DEBUG debug(); #endif /* Configure the system clocks */ RCC_Configuration(); /* NVIC Configuration */ NVIC_Configuration(); /* Enable GPIOC clock */ RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE); /* Configure PC.06, PC.07, PC.08 and PC.09 as Output push-pull */ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5 | GPIO_Pin_6 | GPIO_Pin_7 | GPIO_Pin_8; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; GPIO_Init(GPIOB, &GPIO_InitStructure); USART_InitStructure.USART_BaudRate = 9600;//波特率9600 USART_InitStructure.USART_WordLength = USART_WordLength_8b;//8位数据 USART_InitStructure.USART_StopBits = USART_StopBits_1;//1个停止位 USART_InitStructure.USART_Parity = USART_Parity_No ; //无校验位 USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;//禁用RTSCTS硬件流控制 USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;//使能发送接收 USART_InitStructure.USART_Clock = USART_Clock_Disable; //串口时钟禁止 USART_InitStructure.USART_CPOL = USART_CPOL_Low; //时钟下降沿有效 USART_InitStructure.USART_CPHA = USART_CPHA_2Edge;//数据在第二个时钟沿捕捉 USART_InitStructure.USART_LastBit = USART_LastBit_Disable;//最后数据位的时钟脉冲不输出到SCLK引脚 USART_Init(USART2, &USART_InitStructure);//初始化串口2 USART_Cmd(USART2, ENABLE);//串口2使能 while (1) { /* Turn on led connected to PC.06 pin */ GPIO_SetBits(GPIOB, GPIO_Pin_5); /* Insert delay */ Delay(0xAFFFF); GPIO_ResetBits(GPIOB, GPIO_Pin_5); Delay(0xAFFFF); /* Turn on led connected to PC.07 and PC.08 pins */ GPIO_SetBits(GPIOB, GPIO_Pin_6 ); /* Insert delay */ Delay(0xAFFFF); GPIO_ResetBits(GPIOB, GPIO_Pin_6); Delay(0xAFFFF); GPIO_SetBits(GPIOB, GPIO_Pin_7); Delay(0xAFFFF); /* Turn off led connected to PC.06 pin */ GPIO_ResetBits(GPIOB, GPIO_Pin_7); /* Insert delay */ Delay(0xAFFFF); /* Turn on led connected to PC.09 pin */ GPIO_SetBits(GPIOB, GPIO_Pin_8); /* Turn off led connected to PC.07 and PC.08 pins */ // GPIO_ResetBits(GPIOB, GPIO_Pin_7 | GPIO_Pin_6); /* Insert delay */ Delay(0xAFFFF); /* Turn off led connected to PC.09 pin */ GPIO_ResetBits(GPIOB, GPIO_Pin_8); USART_SendData(USART2, TxBuffer[TxCounter++]); } } /******************************************************************************* * Function Name : RCC_Configuration * Description : Configures the different system clocks. * Input : None * Output : None * Return : None *******************************************************************************/ void RCC_Configuration(void) { /* RCC system reset(for debug purpose) */ RCC_DeInit(); /* Enable HSE */ RCC_HSEConfig(RCC_HSE_ON); /* Wait till HSE is ready */ HSEStartUpStatus = RCC_WaitForHSEStartUp(); if(HSEStartUpStatus == SUCCESS) { /* Enable Prefetch Buffer */ FLASH_PrefetchBufferCmd(FLASH_PrefetchBuffer_Enable); /* Flash 2 wait state */ FLASH_SetLatency(FLASH_Latency_2); /* HCLK = SYSCLK */ RCC_HCLKConfig(RCC_SYSCLK_Div1); /* PCLK2 = HCLK */ RCC_PCLK2Config(RCC_HCLK_Div1); /* PCLK1 = HCLK/2 */ RCC_PCLK1Config(RCC_HCLK_Div2); /* PLLCLK = 8MHz * 9 = 72 MHz */ RCC_PLLConfig(RCC_PLLSource_HSE_Div1, RCC_PLLMul_9); /* Enable PLL */ RCC_PLLCmd(ENABLE); /* Wait till PLL is ready */ while(RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET) { } /* Select PLL as system clock source */ RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK); /* Wait till PLL is used as system clock source */ while(RCC_GetSYSCLKSource() != 0x08) { } RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART2, ENABLE);//使能串口2时钟 } } /******************************************************************************* * Function Name : NVIC_Configuration * Description : Configures Vector Table base location. * Input : None * Output : None * Return : None *******************************************************************************/ void NVIC_Configuration(void) { #ifdef VECT_TAB_RAM /* Set the Vector Table base location at 0x20000000 */ NVIC_SetVectorTable(NVIC_VectTab_RAM, 0x0); #else /* VECT_TAB_FLASH */ /* Set the Vector Table base location at 0x08000000 */ NVIC_SetVectorTable(NVIC_VectTab_FLASH, 0x0); #endif } /******************************************************************************* * Function Name : Delay * Description : Inserts a delay time. * Input : nCount: specifies the delay time length. * Output : None * Return : None *******************************************************************************/ void Delay(vu32 nCount) { for(; nCount != 0; nCount--); } #ifdef DEBUG /******************************************************************************* * Function Name : assert_failed * Description : Reports the name of the source file and the source line number * where the assert_param error has occurred. * Input : - file: pointer to the source file name * - line: assert_param error line source number * Output : None * Return : None *******************************************************************************/ void assert_failed(u8* file, u32 line) { /* User can add his own implementation to report the file name and line number, ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */ /* Infinite loop */ while (1) { } } #endif /******************* (C) COPYRIGHT 2007 STMicroelectronics *****END OF FILE****/

yanglz，comfort，我昨晚做梦也不好，恐怕是因为周一焦虑症，呵呵。不要紧，梦都是反的。而且我常常认为，人生经历了，无论是梦过还是被乌鸦嘴说过，就算完成了这个步骤，现实中就不会再发生了。