GPIO_InitStructure.Mode = GPIO_MODE_AF_OD HAL_GPIO_Init(GPIOA, &GPIO_InitStructure) GPIO_InitStructure.Speed = GPIO_SPEED_HIGH GPIO_InitStructure.Alternate = GPIO_AF7_USART2 GPIO_InitStructure.Mode = GPIO_MODE_AF_PP Static UART_HandleTypeDef s_UARTHandle = UART_HandleTypeDef() Replace the code in your main source file with the following: Initializing the UART module by specifying the operating parameters.Configuring the GPIO pins corresponding to UART to actually act as UART pins (as opposed to manually controlled GPIO) pins.Enabling the clocks for the UART and GPIO peripherals. We will begin with a simple program that will read bytes via UART and echo them back in groups of 4. Connect your board to USB and let VisualGDB automatically recognize it and configure debug settings:.Proceed with the default “LEDBlink (HAL)” sample:.We will use the Nucleo-F410RB board that has the STM32F410RB chip: On the next page select your STM32 device.Select “Create a new project with MSBuild -> Embedded Binary”:.Start Visual Studio and open VisualGDB Embedded Project Wizard:.We will show how to use direct mode, interrupt-based mode and DMA-controlled mode and will use a logic analyzer to compare the precise timings of various events.īefore you begin, install VisualGDB 5.2 or later. This tutorial shows how to use the STM32 UART interface in different modes using the HAL libraries.
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