من می خوام یه رشته رو با UART میکروی stm32f107 ارسال کنم
کانفیگم اینجوریه
دستور ارسال هم اینجوری :
برنامه تو while دوم گیر میکنه
کانفیگم اینجوریه
کد:
GPIO_InitTypeDef GPIO_InitStructure; USART_InitTypeDef USART_InitStructure; RCC_APB2PeriphClockCmd( RCC_APB2Periph_GPIOB | RCC_APB2Periph_USART1 | RCC_APB2Periph_AFIO ,ENABLE); GPIO_PinRemapConfig(GPIO_Remap_USART1,ENABLE); // // USART1_TX -> PB6 , USART1_RX -> PB7 // GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_Init(GPIOB, &GPIO_InitStructure); GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_Init(GPIOB, &GPIO_InitStructure); USART_InitStructure.USART_BaudRate = 57600; 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_ClearFlag(USART1,USART_FLAG_TC); USART_ITConfig(USART1, USART_IT_RXNE, ENABLE); USART_ITConfig(USART1, USART_IT_TXE, ENABLE); USART_Cmd(USART1, ENABLE);
کد:
i=0; while(i<buflen){ USART_SendData(USART1,(uint8_t)txbuf[i]); i++; while (USART_GetFlagStatus(USART1,USART_FLAG_TC) == RESET); }
دیدگاه