你好，新手询问。使用开发板芯片是STM32F407,我是看视频，跟着讲课老师一起编写的程序，结果视频中老师的编译通过，而我的却报错

风一幕

main.c(8): error:  #169: expected a declaration   { main.c(29): error:  #77-D: this declaration has no storage class or type specifier           USART_InitStructure.USART_StopBits = USART_StopBits_1;//一个停止位 main.c(29): error:  #65: expected a ";"           USART_InitStructure.USART_StopBits = USART_StopBits_1;//一个停止位 main.c(30): error:  #77-D: this declaration has no storage class or type specifier           USART_InitStructure.USART_Parity = USART_Parity_No;//无奇偶校验位 main.c(30): error:  #65: expected a ";"           USART_InitStructure.USART_Parity = USART_Parity_No;//无奇偶校验位 main.c(31): error:  #77-D: this declaration has no storage class or type specifier           USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;//无硬件数据流控制 main.c(31): error:  #65: expected a ";"           USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;//无硬件数据流控制 main.c(32): error:  #77-D: this declaration has no storage class or type specifier           USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;        //收发模式 main.c(32): error:  #65: expected a ";"           USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;        //收发模式 main.c(33): error:  #79: expected a type specifier     USART_Init(USART1, &USART_InitStructure); //初始化串口1 main.c(33): error:  #79: expected a type specifier     USART_Init(USART1, &USART_InitStructure); //初始化串口1 main.c(33): warning:  #77-D: this declaration has no storage class or type specifier     USART_Init(USART1, &USART_InitStructure); //初始化串口1 main.c(33): error:  #147: declaration is incompatible with "void USART_Init(USART_TypeDef *, USART_InitTypeDef *)"  (declared at line 372 of "..\FWLIB\inc\stm32f4xx_usart.h")     USART_Init(USART1, &USART_InitStructure); //初始化串口1 main.c(35): error:  #79: expected a type specifier           USART_Cmd(USART1, ENABLE);  //使能串口1 main.c(35): error:  #757: constant "ENABLE"  is not a type name           USART_Cmd(USART1, ENABLE);  //使能串口1 main.c(35): warning:  #77-D: this declaration has no storage class or type specifier           USART_Cmd(USART1, ENABLE);  //使能串口1 main.c(35): error:  #147: declaration is incompatible with "void USART_Cmd(USART_TypeDef *, FunctionalState)"  (declared at line 376 of "..\FWLIB\inc\stm32f4xx_usart.h")           USART_Cmd(USART1, ENABLE);  //使能串口1 main.c(37): error:  #79: expected a type specifier           USART_ITConfig(USART1,USART_IT_RXNE,ENABLE); main.c(37): error:  #79: expected a type specifier           USART_ITConfig(USART1,USART_IT_RXNE,ENABLE); main.c(37): error:  #757: constant "ENABLE"  is not a type name           USART_ITConfig(USART1,USART_IT_RXNE,ENABLE); main.c(37): warning:  #77-D: this declaration has no storage class or type specifier           USART_ITConfig(USART1,USART_IT_RXNE,ENABLE); main.c(37): error:  #147: declaration is incompatible with "void USART_ITConfig(USART_TypeDef *, uint16_t, FunctionalState)"  (declared at line 411 of "..\FWLIB\inc\stm32f4xx_usart.h")           USART_ITConfig(USART1,USART_IT_RXNE,ENABLE); main.c(39): error:  #77-D: this declaration has no storage class or type specifier           NVIC_InitStructure.NVIC_IRQChannelCmd=ENABLE; main.c(39): error:  #65: expected a ";"           NVIC_InitStructure.NVIC_IRQChannelCmd=ENABLE; main.c(40): error:  #77-D: this declaration has no storage class or type specifier           NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=1; main.c(40): error:  #65: expected a ";"           NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=1; main.c(41): error:  #77-D: this declaration has no storage class or type specifier           NVIC_InitStructure.NVIC_IRQChannelSubPriority=1; main.c(41): error:  #65: expected a ";"           NVIC_InitStructure.NVIC_IRQChannelSubPriority=1; main.c(42): error:  #77-D: this declaration has no storage class or type specifier           NVIC_InitStructure.NVIC_IRQChannel=USART1_IRQn; main.c(42): error:  #65: expected a ";"           NVIC_InitStructure.NVIC_IRQChannel=USART1_IRQn; main.c(43): error:  #79: expected a type specifier           NVIC_Init( &NVIC_InitStructure); main.c(43): warning:  #77-D: this declaration has no storage class or type specifier           NVIC_Init( &NVIC_InitStructure); main.c(43): error:  #147: declaration is incompatible with "void NVIC_Init(NVIC_InitTypeDef *)"  (declared at line 159 of "..\FWLIB\inc\misc.h")           NVIC_Init( &NVIC_InitStructure); main.c(45): error:  #169: expected a declaration   } main.c: 4 warnings, 30 errors compiling stm32f4xx_wwdg.c... compiling stm32f4xx_it.c... compiling delay.c... compiling system_stm32f4xx.c... compiling sys.c... compiling usart.c... "..\OBJ\Template.axf" - 30 Error(s), 5 Warning(s). Target not created. Build Time Elapsed:  00:00:04

LcwSwust

能不能别用背景色，看不清。
没看到你的程序或者工程，让人猜吗？

bin133

stm32f10x_usart.c和misc.c看看有没有添加