求助STM32F107VC 串口1问题

swustlx86 · 发表于 2013-3-19 15:35:15

使用STM32F103VC在MDK下仿真，能够得到正确的结果，MCU改成STM32F107VC之后，编译时没有问题，但是仿真的时候，提示“*** error 65: access violation at 0x40021000 : no 'read' permission”，

1、  初始化代码如下
void MyUsartInit(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
USART_InitTypeDef USART_InitStructure;

RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1|RCC_APB2Periph_GPIOA, ENABLE); //????USART1??GPIOA?±??
  USART_DeInit(USART1);  //????????1
  //USART1_TX

A.9
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9; //PA.9
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; //???????ì????
GPIO_Init(GPIOA, &GPIO_InitStructure); //??????PA9

//USART1_RX

A.10
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;//????????
GPIO_Init(GPIOA, &GPIO_InitStructure); //??????PA10

//USART ???????è??

  USART_InitStructure.USART_BaudRate = 9600;//??°??è????9600;
  USART_InitStructure.USART_WordLength = USART_WordLength_8b;//×??¤??8??????????
  USART_InitStructure.USART_StopBits = USART_StopBits_1;//??????????
  USART_InitStructure.USART_Parity = USART_Parity_No;//?????????é??
  USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;//???????????÷????
  USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx; //??·?????

USART_Init(USART1, &USART_InitStructure); //??????????
USART_ITConfig(USART1, USART_IT_RXNE, ENABLE);//????????
USART_Cmd(USART1, ENABLE); //????????
}

2、相关设置如下