- /* USART3?ê??ˉ */
- void USART1_Init(uint16_t baud)
- {
- GPIO_InitTypeDef GPIO_InitStructure;
- USART_InitTypeDef USART_InitStructure;
- NVIC_InitTypeDef NVIC_InitStruct;
-
- RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA, ENABLE);
- RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1, ENABLE);
- /* USART1μ????ú???? */
- GPIO_PinAFConfig(GPIOA, GPIO_PinSource9, GPIO_AF_1);
- GPIO_PinAFConfig(GPIOA, GPIO_PinSource10, GPIO_AF_1);
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9 | GPIO_Pin_10;
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
- GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
- GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
- GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
- GPIO_Init(GPIOA, &GPIO_InitStructure);
-
- /* USART1μ??ù±????? */
- USART_InitStructure.USART_BaudRate = baud;
- 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);
- USART_ITConfig(USART1,USART_IT_RXNE,ENABLE);
-
- USART_Cmd(USART1, ENABLE);
-
-
- /* USART1μ?NVIC?D?????? */
- NVIC_InitStruct.NVIC_IRQChannel = USART1_IRQn;
- NVIC_InitStruct.NVIC_IRQChannelPriority = 0x03;
- NVIC_InitStruct.NVIC_IRQChannelCmd = ENABLE;
- NVIC_Init(&NVIC_InitStruct);
-
- }
- void USART1_IRQHandler(void)
- {
- //////////////////////////////ó?óúGPS////////////////////////////
- u8 Res;
- if(USART_GetITStatus(USART1, USART_IT_RXNE) != RESET)
- {
- Res =USART_ReceiveData(USART1);
- USART1_RX_BUF[point2] = Res;
- point2++;
- }
- }
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